CN116902016B

CN116902016B - A kind of indoor vibration reduction connection structure for rail trains

Info

Publication number: CN116902016B
Application number: CN202311143348.1A
Authority: CN
Inventors: 曹树森; 钱栋栋; 陈潮; 丁学伟; 李栋; 王泓凯; 王福彤; 刘洪波
Original assignee: Taizhou Taichung Rail Transit Co ltd; Heilongjiang University
Current assignee: Taizhou Taichung Rail Transit Co ltd; Heilongjiang University
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2023-12-01
Anticipated expiration: 2043-09-06
Also published as: CN116902016A

Abstract

An indoor vibration-damping connection structure for rail trains, which belongs to the technical field of vibration-damping structures. This application aims to solve the problem that the existing rail train seat vibration-damping structure can only overcome the impact of vertical vibration on the stability of the train seat, but cannot overcome the horizontal vibration. Regarding the impact on the stability of train seats, which leads to poor passenger comfort, this application includes a bottom plate, a guide sleeve, a positioning seat, a movable column unit, a bottom buffer unit, a top connection plate, a top connection seat, and multiple longitudinal Buffer unit and multiple circumferential buffer units; the longitudinal buffer unit includes a positioning seat connection block, a top hinge seat, a No. 1 compression spring damper structure, a bottom hinge ear and a fixed hinge seat; the circumferential buffer unit includes two circumferential buffer units The circumferential buffer assembly includes a No. 1 spherical joint, a No. 2 compression spring damper structure and a No. 2 spherical joint. This application is mainly used as a shock-absorbing structure connecting the train seat to the train body.

Description

Indoor vibration reduction connection structure of rail train

Technical Field

The application belongs to the technical field of vibration reduction structures, and particularly relates to an indoor vibration reduction connection structure of a rail train.

Background

Railway traffic is always the most important traffic mode in China, the important position of the railway traffic in the traffic field of China is more laid along with the rapid development of the high-speed railway industry in China in recent years, and along with the increasing of traffic flow, people selecting railway travel are more and more, so that the riding comfort of a rail train is more required, and a plurality of methods for improving the indoor comfort of the rail train are provided, for example, sound insulation treatment is carried out on the inner wall of the train in order to improve the sound insulation in the train; in order to maintain the air environment in the train, a ventilation and filtration device is added in the train; in order to maintain the temperature environment in the train, a central air conditioner is additionally arranged in the train, the methods for improving the comfort of the rail train are methods for improving the comfort of the rail train, most of the methods are already applied to the existing railway traffic, the methods for improving the comfort of the rail train are mainly based on the improvement measures based on the living environment and living habit of passengers, the influence of the passengers on the train in the running process is usually ignored when the comfort of the rail train is improved, the influence is mainly concentrated in the traditional express, the ordinary or direct train, though the high-speed train is the development trend of future railway traffic, the containing capacity of the high-speed train is still limited at present, partial areas cannot meet the conditions for constructing the high-speed train, the existing railway traffic network is constructed by the combination of the traditional train and the high-speed train, the traditional rail train is relatively heavy, the traditional rail train is influenced by the joint nodes and the running vibration is generated when the train runs according to the speed change of road conditions, the vibration is gradually spread and transmitted to the train body through wheels, the seats of the existing rail train are mainly connected with the train body, the passengers can be directly influenced by the vibration through the seats, the passengers can have a shaking motion, the passengers can have a very frequent condition, the passengers can have a very high-speed condition, the passengers can have a very long time, the passengers can have a very bad condition, the passengers can have a very long riding condition, and have a very bad condition, the passengers can have a very bad condition, and a comfortable condition, and have a high riding condition, and can have a high condition at a high life condition, the tired feeling of the passenger traveling is increased.

In order to solve the problem that the vibration generated by the prior traditional train during running affects the comfort of passengers, the patent application number is: CN202111448030.5, patent name: the patent application discloses a vibration damper for a rail vehicle seat, the vibration damper provided in the patent mainly eliminates longitudinal seat vibration through a quasi-zero stiffness spring, the vibration is mostly generated when a train passes through a rail node, the longitudinal amplitude is absorbed through the quasi-zero stiffness spring to achieve the purpose of vibration damping, but the vibration is not only influenced by longitudinal vibration but also generated by corresponding speed change according to road conditions when the train runs as described above, the specific direction of the vibration is uncertain, but the vibration is generated along the horizontal direction of the seat according to the working environment of the rail train, if only vertical vibration is emphasized to be eliminated and horizontal vibration transmission is ignored, the improvement on passenger comfort is limited, and therefore, the indoor vibration damper connection structure is developed and has important engineering significance and practical value in the improvement and optimization work of the conventional train.

Disclosure of Invention

The application aims to solve the problem that the conventional train seat vibration reduction structure only can overcome the influence of vertical vibration on the stability of a train seat, but cannot overcome the influence of horizontal vibration on the stability of the train seat, so that passengers have poor riding comfort, and further provides an indoor vibration reduction connecting structure of a train;

the indoor vibration reduction connection structure of the rail train comprises a bottom plate, a guide sleeve, a positioning seat, a movable column unit, a bottom buffer unit, a top connecting plate, a top connecting seat, a plurality of longitudinal buffer units and a plurality of circumferential buffer units; the guide sleeve is arranged at the center of the upper surface of the bottom plate in the vertical direction, the bottom of the guide sleeve is fixedly connected with the upper surface of the bottom plate, the bottom buffer unit is arranged at the inner bottom of the guide sleeve, the bottom of the bottom buffer unit is fixedly connected with the upper surface of the bottom plate, the positioning seat is arranged at the top of the bottom buffer unit, a plurality of longitudinal buffer units are circumferentially equidistantly arranged on the outer circular surface of the guide sleeve, one end of each longitudinal buffer unit is fixedly connected with the upper surface of the bottom plate, the other end of each longitudinal buffer unit passes through the guide sleeve and is fixedly connected with the outer circular wall of the positioning seat, the movable cylinder unit is arranged in the positioning seat, the bottom of the movable cylinder unit is slidably arranged with the inner bottom of the positioning seat, the top of the movable cylinder unit is arranged on the top of the movable cylinder unit, the axis of the top connecting plate is arranged in a collinear manner with the axis of the movable cylinder unit, the bottom of the top connecting plate is fixedly connected with the top of the movable cylinder unit, the edge of the top connecting plate is circumferentially arranged at the top of the positioning seat, the bottom of the top connecting seat is fixedly connected with the top of the positioning seat, the bottom of the top connecting plate is fixedly arranged at the center of the top connecting plate, the buffer unit is circumferentially equidistant to the outer circular wall of each buffer unit is circumferentially connected with the outer circular wall of the movable cylinder unit, and is fixedly connected with the outer circular wall of the positioning unit;

Further, a plurality of longitudinal strip-shaped holes are formed in the outer circular surface of the guide sleeve at equal intervals, each longitudinal strip-shaped hole is arranged corresponding to one longitudinal buffer unit, and one end of each longitudinal buffer unit penetrates through the corresponding longitudinal strip-shaped hole and is fixedly connected with the outer circular wall of the positioning seat;

further, the positioning seat comprises a cylindrical seat body, a top compression ring and a plurality of first balls, wherein the top of the cylindrical seat body is provided with a plurality of first hemispherical pits in a circumferential equidistant manner, each first ball is correspondingly arranged in one first hemispherical pit, two pin holes are respectively formed in two sides of each first hemispherical pit, the bottom of the top compression ring is provided with a plurality of plug pin groups in a circumferential equidistant manner, each plug pin group comprises two plug pins, the top of each plug pin is integrally formed with the top compression ring, each plug pin is coaxially and correspondingly arranged with one pin hole, the top compression ring is plugged at the top of the cylindrical seat body through the plug pins, a plurality of through holes are formed in the upper surface of the top compression ring in a circumferential equidistant manner, each through hole is correspondingly arranged with one first ball, the top of each first ball passes through the corresponding through hole and is arranged outside the top compression ring, a first sealing ring is arranged between the top compression ring and the cylindrical seat body, the top of the first sealing ring is tightly contacted with the bottom of the top, the bottom of the first sealing ring is tightly contacted with the top of the first balls, the top of the top compression ring is tightly contacted with the top of the cylindrical seat, and the top of the plurality of balls are tightly contacted with the positioning connection plates are arranged at the edges of the top of the cylindrical seat, and the top compression ring is tightly contacted with the top balls;

Further, the movable column unit comprises a movable column body and a plurality of bottom ball units, wherein a plurality of second hemispherical pits are uniformly formed in the bottom of the movable column body, each bottom ball unit is correspondingly arranged in one second hemispherical pit, and each bottom ball unit is detachably connected with the bottom of the movable column body;

further, the bottom buffer unit comprises a top bearing plate, a honeycomb buffer layer and a bottom rubber plate, wherein the top bearing plate and the bottom rubber plate are oppositely arranged in parallel up and down, the honeycomb buffer layer is arranged between the top bearing plate and the bottom rubber plate, the top of the honeycomb buffer layer is fixedly connected with the bottom of the top bearing plate, the bottom of the honeycomb buffer layer is fixedly connected with the top of the bottom rubber plate, the bottom rubber plate is contacted with the upper surface of the bottom plate, and the bottom of the cylindrical seat body in the positioning seat is arranged on the top bearing plate;

further, the longitudinal buffer unit comprises a positioning seat connecting block, a top hinging seat, a first compression spring damper structure, a bottom hinging lug and a fixed hinging seat, wherein the top hinging seat is fixedly connected to the top end of the first compression spring damper structure, the bottom hinging lug is arranged at the bottom end of the first compression spring damper structure, one end of the bottom hinging lug is fixedly connected with the bottom end of the first compression spring damper structure, the positioning seat connecting block is arranged on the top hinging seat, one end of the positioning seat connecting block is hinged with the top hinging seat, the other end of the positioning seat connecting block penetrates through the longitudinal strip-shaped hole and is fixedly connected with the outer circular wall of the cylindrical seat body, the fixed hinging seat is fixedly connected to the upper surface of the bottom plate, and the other end of the bottom hinging lug is hinged with the fixed hinging seat;

Further, the circumferential buffer unit comprises two circumferential buffer components, the two circumferential buffer components are symmetrically arranged along the middle division plane of the radial direction of the movable cylinder, one end of each circumferential buffer component is fixedly connected with the outer circular wall of the movable cylinder, and the other end of each circumferential buffer component is fixedly connected with the inner wall of the positioning seat;

further, the vibration reduction connecting structure further comprises a guide sleeve reinforcing unit, the guide sleeve reinforcing unit is sleeved on the guide sleeve, the guide sleeve reinforcing unit comprises a reinforcing ring and a plurality of reinforcing rib plates, the reinforcing ring is sleeved on the lower part of the guide sleeve, the bottom end of the reinforcing ring is fixedly connected with the upper surface of the bottom plate, the inner annular wall of the reinforcing ring is fixedly connected with the outer annular wall of the guide sleeve, the top of the reinforcing ring is provided with annular protrusions in the circumferential direction, the annular protrusions and the reinforcing ring are integrally formed, the plurality of reinforcing rib plates are circumferentially equidistantly arranged on the outer annular surface of the annular protrusions, one side of each reinforcing rib plate is fixedly connected with the outer annular wall of the annular protrusion, and the bottom of each reinforcing rib plate is fixedly connected with the top of the reinforcing ring;

further, the top connecting seat comprises two locking units and a connecting slot plate, wherein the two locking units and the connecting slot plate are arranged at the top of the top connecting plate, the two locking units are symmetrically arranged along one diameter of the top end of the top connecting plate, the bottom of each locking unit is fixedly connected with the top of the top connecting plate, the connecting slot plate is arranged between the two locking units, the bottom of the connecting slot plate is fixedly connected with the top of the top connecting plate, and each end of the connecting slot plate is fixedly connected with the corresponding locking unit;

Further, the vibration reduction connecting structure further comprises a connecting piece unit matched with the top connecting seat, the connecting piece unit is arranged on a part connected with the vibration reduction connecting structure and comprises a mounting plate, a center inserting plate and two limiting bolts, the center inserting plate is fixedly connected to the center of the lower surface of the mounting plate, the center inserting plate and the connecting slot plate are correspondingly matched, the two limiting bolts are symmetrically arranged at two ends of the center inserting plate along the central line of the length direction of the connecting slot plate, the top of each limiting bolt is fixedly connected with the lower surface of the mounting plate, and each limiting bolt is correspondingly matched with one locking unit;

compared with the prior art, the application has the following beneficial effects:

compared with the existing indoor vibration damping structure of the train, the indoor vibration damping connecting structure of the railway train provided by the application has the advantages that the circumferential buffer units are additionally arranged, the influence of vertical vibration on the train seat can be overcome, the influence of horizontal vibration on the train seat can be overcome, the stability of the train seat in running of the train is guaranteed to the greatest extent, compared with the existing vibration damping structure, the vertical vibration damping structure is optimized, the two-stage buffering is realized through the damping of the plurality of compression springs as the buffer components, when a passenger sits on the seat for the first time, the damper can work to realize the compression action and cooperate with the bottom buffer units to support the seat, when the train encounters vertical vibration, the damper can further compress, the end parts of the damper can drive the transition section and the compression springs to synchronously compress, the two-stage buffering is realized through the compression action of the compression springs, the increased circumferential buffer units are formed by the plurality of buffer components, each buffer component comprises two compression damping mechanisms which are oppositely arranged, when the train runs, the circumferential horizontal vibration, the movable column moves along the vibration direction (inertial impact) along with the vibration, compresses the compression mechanism of the corresponding area along with the movement of the movable column, the compression mechanism, the compression force is absorbed by the seat in the compression action of the compression mechanism, which is different from the original motion of the compression mechanism, the compression mechanism is stressed along with the compression motion of the compression mechanism, the compression motion of the human body, the compression mechanism is greatly, the compression motion is converted into the compression motion of the compression region, compared with the compression motion of the compression mechanism, which is greatly in the compression motion of the compression buffer is converted with the compression motion of the compression mechanism, and the compression buffer unit, and the compression buffer is compared with the compression buffer unit, which has the compression motion is compared with the compression motion of the compression buffer unit, the impact of inertia force on the seat is eliminated through the buffer device, so that the bumpy feeling of passengers is reduced, and a quieter and stable rest environment can be provided when passengers ride on the train;

In order to ensure that the seat and the vibration reduction structure can be quickly and stably connected, the connecting structure between the seat and the vibration reduction structure is also optimized, the seat can be quickly disassembled, the connection accuracy and stability can be ensured, the seat and the vibration reduction structure are connected in an inserting mode, the connecting point of the seat and the vibration reduction structure is limited and positioned through the inserting grooves and the inserting blocks, the accuracy of the connecting point is ensured, the locking unit is matched with the limiting bolt to vertically limit the connecting point, the seat and the vibration reduction structure are prevented from being separated when a train vertically shakes, the locking mode of the locking unit and the limiting bolt adopts the splicing limiting plate as a limiting main body, the limiting plate matched with the bottom of the bolt is used for limiting and locking, a space for accommodating the limiting plate can be formed when the splicing limiting plate is combined, the limiting plate is separated through magnetic force when the splicing limiting plate is needed to be taken out from the limiting space, and the magnetic force limiting plate is contacted when the locking is needed to be combined again under the action of the reset spring.

Drawings

FIG. 1 is a schematic front view of a vibration damping connection structure according to the present application;

FIG. 2 is a schematic illustration of a vibration damping connection according to the present application;

FIG. 3 is a schematic top view of the vibration damping connection structure of the present application;

FIG. 4 is a schematic view of the internal structure of the vibration damping connection structure according to the present application;

FIG. 5 is a schematic structural view of a guide sleeve reinforcing unit in the vibration damping connection structure according to the present application;

FIG. 6 is a schematic view of the structure of the bottom buffer unit in the vibration damping connection structure according to the present application;

FIG. 7 is an enlarged view of a portion of FIG. 2 at A;

FIG. 8 is a partial enlarged view at B in FIG. 2;

FIG. 9 is a schematic bottom view of a movable column unit in the vibration damping connection structure according to the present application;

FIG. 10 is a schematic view of a longitudinal buffer unit in the vibration damping connection structure according to the present application;

FIG. 11 is a schematic diagram of a first compression spring damper structure in a vibration damping connection structure according to the present application;

FIG. 12 is a schematic view of the structure of a circumferential buffer unit in the vibration damping connection structure according to the present application;

FIG. 13 is a schematic view of a second compression spring damper in a vibration damping connection structure according to the present application;

FIG. 14 is a schematic top view of the top connecting seat of the vibration damping connecting structure according to the present application (closed state);

FIG. 15 is a schematic top view (open/close state) of a top connecting seat in the vibration damping connecting structure according to the present application;

FIG. 16 is a schematic front cross-sectional view of a locking unit of the vibration damping connection structure of the present application;

FIG. 17 is a schematic view of a locking unit in a vibration damping connection according to the present application in a top cross-section;

FIG. 18 is a schematic bottom view of a connector unit in the vibration damping connection structure according to the present application;

FIG. 19 is a schematic front view of a connector unit in the vibration damping connection structure of the present application;

in the drawing, a bottom plate, a 2 guide sleeve, a 21 longitudinal bar hole, a 3 positioning seat, a 31 cylindrical seat body, a 32 first hemispherical concave pit, a 33 first ball, a 34 top compression ring, a 35 first sealing ring, a 4 movable column unit, a 41 movable column, a 42 second ball, a 43 bottom compression ring, a 44 second hemispherical concave pit, a 45 second sealing ring, a 46 locking bolt, a 5 bottom buffer unit, a 51 top bearing plate, a 52 honeycomb buffer layer, a 53 bottom rubber plate, a 6 longitudinal buffer unit, a 61 positioning seat connecting block, a 62 top hinge seat, a 63 first compression spring damper structure, a 631 first damper, a 632 transition sleeve, a 633 first compression spring, a 64 bottom hinge lug, a 65 fixed hinge seat, a 7 top connecting plate, an 8 circumferential buffer unit the device comprises a first spherical hinge 81, a second compression spring damper 82, a second damper 821, a second compression spring 822, a first spherical hinge seat 823, a second spherical hinge seat 824, a second spherical hinge 83, a 9-guide sleeve reinforcing unit 91, a reinforcing ring 92 reinforcing rib plate, a 10 top connecting seat 101, a locking unit 1011, a 1012 top cover, a 1013 taper through hole, a 1014 locking plate 1015 reset spring, a 1016 slideway plate, a 1017 magnetic plate 1018 sliding block, a 1019 inserting through hole 1020 through groove, a 102 connecting slot plate 103 electromagnetic iron rod, a 11 connecting piece unit, a 111 mounting plate 112 center inserting plate, a 1121U-shaped plate, a 1122 inserting block group 113 limiting bolts, 1131 connecting columns and 1132 limiting plates.

Detailed Description

The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 19, in which there is provided a vibration damping connection structure in a railway train room, the vibration damping connection structure including a base plate 1, a guide bush 2, a positioning seat 3, a movable column unit 4, a bottom buffer unit 5, a top connection plate 7, a top connection seat 10, a plurality of longitudinal buffer units 6, and a plurality of circumferential buffer units 8; the guide sleeve 2 is arranged at the center of the upper surface of the bottom plate 1 along the vertical direction, the bottom of the guide sleeve 2 is fixedly connected with the upper surface of the bottom plate 1, the bottom buffer unit 5 is arranged at the inner bottom of the guide sleeve 2, the bottom of the bottom buffer unit 5 is fixedly connected with the upper surface of the bottom plate 1, the positioning seat 3 is arranged at the top of the bottom buffer unit 5, a plurality of longitudinal buffer units 6 are circumferentially equidistantly arranged on the outer circular surface of the guide sleeve 2, one end of each longitudinal buffer unit 6 is fixedly connected with the upper surface of the bottom plate 1, the other end of each longitudinal buffer unit 6 passes through the guide sleeve 2 and is fixedly connected with the outer circular wall of the positioning seat 3, the movable column unit 4 is arranged in the positioning seat 3, the bottom of the movable column unit 4 is slidably arranged with the inner bottom of the positioning seat 3, the top of movable column unit 4 extends to the outside of positioning seat 3, top connecting plate 7 sets up on the top of movable column unit 4, and the axis of top connecting plate 7 and the axis collineation setting of movable column unit 4, the bottom of top connecting plate 7 and the top fixed connection of movable column unit 4, the edge of top connecting plate 7 is set up at the top of positioning seat 3, and the bottom of top connecting plate 7 edge and the top slip setting of positioning seat 3, top connecting seat 10 rigid coupling is in the center department at top connecting plate 7 top, a plurality of circumference buffer units 8 set up on the outer circular wall of movable column unit 4 along circumference equidistance, and the one end of every circumference buffer unit 8 and the outer circular wall fixed connection of movable column unit 4, the other end of every circumference buffer unit 8 and the interior circular wall fixed connection of positioning seat 3.

The indoor vibration reduction connection structure of the rail train provided in the embodiment not only can enable the train seat to eliminate vertical vibration generated during train operation, but also can buffer horizontal vibration generated during train operation, so that stability of passengers during train riding is guaranteed to the greatest extent, a more comfortable riding environment is provided for the passengers, and the indoor vibration reduction connection structure of the rail train has important engineering significance for improvement and optimization of a traditional train, wherein the number of the longitudinal buffer units 6 is 4, and the number of the circumferential buffer units 8 is 8.

The second embodiment is as follows: the present embodiment is different from the specific embodiment in that a plurality of longitudinal strip-shaped holes 21 are machined on the outer circumferential surface of the guide sleeve 2 at equal intervals, each longitudinal strip-shaped hole 21 is disposed corresponding to one longitudinal buffer unit 6, and one end of each longitudinal buffer unit 6 passes through the corresponding longitudinal strip-shaped hole 21 and is fixedly connected with the outer circumferential wall of the positioning seat 3. Other compositions and connection modes are the same as in the first embodiment.

In this embodiment, the longitudinal bar-shaped hole 21 mainly plays a guiding role, and assists in stabilizing the descent process of the positioning seat 3.

And a third specific embodiment: the second difference between this embodiment and the second embodiment is that, in conjunction with fig. 1 to 19, the positioning seat 3 includes a cylindrical seat 31, a top press ring 34 and a plurality of first balls 33, a plurality of first hemispherical pits 32 are circumferentially equidistantly processed at the top of the cylindrical seat 31, each first ball 33 is correspondingly disposed in a first hemispherical pit 32, two pin holes are respectively processed at two sides of each first hemispherical pit 32, a plurality of plug pin groups are circumferentially equidistantly disposed at the bottom of the top press ring 34, each plug pin group includes two plug pins, the top of each plug pin is integrally formed with the top press ring 34, each plug pin is coaxially disposed with one pin hole, the top press ring 34 is plugged at the top of the cylindrical seat 31 through the plug pins, a plurality of through holes are circumferentially equidistantly processed on the upper surface of the top press ring 34, each through hole is correspondingly disposed with one first ball 33, the top of each first ball 33 passes through the corresponding through hole and is disposed at the outside of the top 34, a plurality of ball 33 are tightly contacted with the top of the cylindrical seat 33 through the top seat 35, a plurality of seal rings 35 are disposed between the top of the cylindrical seat 31 and the top press ring 33, and the top of the top seat 35 are tightly contacted with the top of the cylindrical press ring 35. Other compositions and connection modes are the same as those of the second embodiment.

In this embodiment, sliding contact is performed between the first ball 33 and the top connecting plate 7, so that the smoothness of the top connecting plate 7 during circumferential movement is ensured, in order to ensure the stability and smoothness of the first ball 33 in operation, lubricating oil is preset in the first hemispherical concave pit 32, the lubricity of the balls is improved, the lubricating oil is brought between the top connecting plate 7 and the first ball 33 along with the rotation of the balls, the lubricity between the top connecting plate 7 and the first ball 33 is also ensured, the plurality of first balls 33 can be ensured to always act in the first hemispherical concave pit 32 through the top pressing ring 34, the purpose of the top pressing ring 34 is to limit the first balls 33, a gap is arranged between the top pressing ring 34 and the first balls 33, the degree of freedom of the first balls 33 is ensured, the arrangement of the first sealing ring 35 is to prevent the lubricating oil from leaking, on one hand, the lubricating oil waste is avoided, and on the other hand, the cleanliness of the working environment is ensured.

The specific embodiment IV is as follows: the third difference between the present embodiment and the specific embodiment is that the movable column unit 4 includes a movable column 41 and a plurality of bottom ball units, wherein a plurality of No. two hemispherical pits 44 are uniformly formed on the bottom of the movable column 41, each bottom ball unit is correspondingly disposed in one No. two hemispherical pit 44, and each bottom ball unit is detachably connected with the bottom of the movable column 41;

The bottom ball unit includes No. two balls 42, bottom clamping ring 43, no. two sealing washer 45 and a plurality of locking bolt 46, no. two balls 42 correspond and set up in No. two hemispherical pits 44, a plurality of locking screw holes have been processed to the circumference equidistance of No. two hemispherical pits 44, a plurality of countersunk through-holes have been processed to the lower surface of bottom clamping ring 43 along circumference equidistance, and every countersunk through-hole corresponds the setting with a locking screw hole is coaxial, bottom clamping ring 43 sets up the bottom at movable cylinder 41, and bottom clamping ring 43 is dismantled with the bottom of movable cylinder 41 through a plurality of locking bolts 46 and is connected, the bottom of No. two balls 42 passes the centre bore on bottom clamping ring 43 and contacts with the interior bottom of cylindric pedestal 31, movable cylinder 41 slides through a plurality of No. two balls 42 and the interior bottom of cylindric pedestal 31 and sets up. Other compositions and connection modes are the same as those of the third embodiment.

In this embodiment, the movable column unit 4 is a main supporting structure of the top connecting plate 7, the movable column unit 4 is also slidably connected with the cylindrical base 31 through balls, and the principle is the same as that of the sliding connection between the cylindrical base 31 and the top connecting plate 7, except that in order to ensure the sliding smoothness between the movable column unit 4 and the cylindrical base 31, the inner bottom of the cylindrical base 31 is provided with lubricating oil, and the lubricating oil is brought into the hemispherical pits 44 of No. two along with the driving of the balls 42 to lubricate between the balls and the pits, so that the bottom pressing ring 43 cannot be connected in an inserting manner due to the action of gravity, and needs to be connected with the bottom of the movable column 41 in a disassembling manner through bolts.

Fifth embodiment: referring to fig. 1 to 19, the fourth difference between the present embodiment and the specific embodiment is that the bottom buffer unit 5 includes a top bearing plate 51, a honeycomb buffer layer 52, and a bottom rubber plate 53, where the top bearing plate 51 and the bottom rubber plate 53 are disposed in parallel and opposite to each other, the honeycomb buffer layer 52 is disposed between the top bearing plate 51 and the bottom rubber plate 53, and the top of the honeycomb buffer layer 52 is fixedly connected to the bottom of the top bearing plate 51, the bottom of the honeycomb buffer layer 52 is fixedly connected to the top of the bottom rubber plate 53, the bottom rubber plate 53 contacts the upper surface of the base plate 1, and the bottom of the cylindrical seat 31 in the positioning seat 3 is disposed on the top bearing plate 51. Other compositions and connection modes are the same as those of the fourth embodiment.

In this embodiment, the bottom buffer unit 5 mainly supports the cylindrical seat 31, where the cellular buffer layer 52 has a certain compressibility, when a passenger sits on the seat, the seat is subject to gravity sinking, and the whole is falling, at this time, the cellular buffer layer 52 is in a first compression state, and keeps supporting the seat together with the longitudinal buffer unit 6 in the first compression process, when vertical vibration occurs, the cellular buffer layer 52 and the longitudinal buffer unit 6 perform secondary compression or expansion actions along with the vibration direction, and the vibration amplitude is absorbed by the compression or expansion actions, so that the stability of the seat when being impacted by the vertical vibration is improved.

Specific embodiment six: the fifth difference between the present embodiment and the specific embodiment is that the longitudinal buffer unit 6 includes a positioning seat connection block 61, a top hinge seat 62, a first compression spring damper structure 63, a bottom hinge lug 64, and a fixed hinge seat 65, the top hinge seat 62 is fixedly connected to the top end of the first compression spring damper structure 63, the bottom hinge lug 64 is disposed at the bottom end of the first compression spring damper structure 63, one end of the bottom hinge lug 64 is fixedly connected to the bottom end of the first compression spring damper structure 63, the positioning seat connection block 61 is disposed on the top hinge seat 62, one end of the positioning seat connection block 61 is hinged to the top hinge seat 62, the other end of the positioning seat connection block 61 passes through the longitudinal bar-shaped hole 21 and is fixedly connected to the outer circular wall of the cylindrical seat 31, the fixed hinge seat 65 is fixedly connected to the upper surface of the base plate 1, and the other end of the bottom hinge lug 64 is hinged to the fixed hinge seat 65;

the first compression spring damper structure 63 comprises a first damper 631, a transition sleeve 632 and a first compression spring 633, the transition sleeve 632 and the first compression spring 633 are sleeved on the outer circular surface of a piston rod in the first damper 631, the first compression spring 633 is arranged between the transition sleeve 632 and a shell in the first damper 631, one end of the first compression spring 633 is fixedly connected with the bottom end of the transition sleeve 632, the other end of the first compression spring 633 is fixedly connected with the shell in the first damper 631, the top hinge seat 62 is fixedly connected with the top end of the piston rod in the first damper 631, and the bottom hinge lug 64 is fixedly connected with the bottom end of the shell in the first damper 631. Other compositions and connection modes are the same as those of the fifth embodiment.

Compared with the traditional compression spring damper, the first compression spring damper structure 63 provided in the embodiment is provided with the transition sleeve, the working state of the compression spring damper can be segmented by the transition sleeve, the original primary compression state is divided into secondary compression, the primary compression state is different from the secondary compression state, the piston rod is compressed during primary compression, the compression spring does not participate in compression, the end part of the piston rod can drive the transition sleeve 632 to move during secondary compression, the compression spring synchronously compresses at the moment, the primary compression mainly adapts to the falling sense of a human body sitting on a seat, if the spring is involved at the moment to provide a stronger reverse force for the seat, discomfort of passengers can be caused, the secondary compression is mainly used for overcoming vertical vibration during train motion, and the vibration is eliminated to provide a comfortable sitting environment for the passengers.

Seventh embodiment: the sixth difference between the present embodiment and the specific embodiment is that the circumferential buffer unit 8 includes two circumferential buffer components, the two circumferential buffer components are symmetrically disposed along a bisecting plane of the radial direction of the movable cylinder 41, one end of each circumferential buffer component is fixedly connected with the outer circumferential wall of the movable cylinder 41, and the other end of each circumferential buffer component is fixedly connected with the inner wall of the positioning seat 3;

The circumferential buffer assembly comprises a first spherical hinge 81, a second compression spring damper structure 82 and a second spherical hinge 83, wherein the first spherical hinge 81 is hinged with one end of the second compression spring damper structure 82, the second spherical hinge 83 is hinged with the other end of the second compression spring damper structure 82, a shell of the first spherical hinge 81 is fixedly connected to the inner wall of the positioning seat 3, and the second spherical hinge 83 is fixedly connected to the outer circular wall of the movable cylinder 41;

the second compression spring damper structure 82 comprises a second damper 821, a second compression spring 822, a first spherical hinge seat 823 and a second spherical hinge seat 824, the second compression spring 822 is sleeved on a piston rod in the second damper 821, one end of the second compression spring 822 is fixedly connected with a shell in the second damper 821, the other end of the second compression spring 822 is fixedly connected with an end part of the piston rod in the second damper 821, the first spherical hinge seat 823 is fixedly connected with an end part of the piston rod in the second damper 821, the second damper 821 is hinged with the first spherical hinge 81 through the first spherical hinge seat 823, the second spherical hinge seat 824 is fixedly connected with the bottom of the shell in the second damper 821, and the second damper 821 is hinged with the second spherical hinge 83 through the second spherical hinge seat 824. Other compositions and connection modes are the same as those of the sixth embodiment.

The circumferential buffer units provided in this embodiment are used for overcoming horizontal vibration when the train runs, because the direction of the horizontal vibration is uncertain, in order to improve the comprehensiveness of the buffer units, a plurality of circumferential buffer units are circumferentially arranged on the outer circular surface of the movable column unit 4, the number of the circumferential buffer units is an even number, generally 6 or 8, each circumferential buffer unit comprises two circumferential buffer components, the two circumferential buffer components are oppositely arranged, when the movable column is subjected to the horizontal vibration, the two circumferential buffer components squeeze the circumferential buffer components in the adjacent area along with the vibration direction, the two circumferential buffer components compress the movement trend of the movable column 41 in opposite directions, meanwhile, compression damping mechanisms in other areas can extend along with the movement direction of the movable column (spring extension), the vibration amplitude is absorbed along with the compression and extension actions of the springs in different areas of the circumferential buffer units, the stability of the seat is reduced to the greatest extent, the circumferential buffer components are connected with the movable column 41 and the cylindrical seat body 31 through spherical hinges, and the degree of freedom of the buffer components is guaranteed to be satisfied when the movable column is subjected to the horizontal vibration, and the circumferential buffer components are deformed in different directions.

Eighth embodiment: the seventh difference between this embodiment and the specific embodiment is that, referring to fig. 1 to 19, the vibration-damping connection structure further includes a guide sleeve reinforcing unit 9, the guide sleeve reinforcing unit 9 is sleeved on the guide sleeve 2, the guide sleeve reinforcing unit 9 includes a reinforcing ring 91 and a plurality of reinforcing ribs 92, the reinforcing ring 91 is sleeved on the lower portion of the guide sleeve 2, the bottom end of the reinforcing ring 91 is fixedly connected with the upper surface of the bottom plate 1, the inner ring wall of the reinforcing ring 91 is fixedly connected with the outer ring wall of the guide sleeve 2, the top of the reinforcing ring 91 is provided with an annular protrusion in the circumferential direction, the annular protrusion and the reinforcing ring 91 are integrally formed, the plurality of reinforcing ribs 92 are circumferentially equidistantly arranged on the outer ring surface of the annular protrusion, and one side of each reinforcing rib 92 is fixedly connected with the outer ring wall of the annular protrusion, and the bottom of each reinforcing rib 92 is fixedly connected with the top of the reinforcing ring 91. Other compositions and connection manners are the same as those of the seventh embodiment.

In the present embodiment, the guide bush reinforcing unit 9 is used for fixing the bottom of the guide bush 2, and the plurality of reinforcing ribs 92 are used for improving the stability of the guide bush 2.

Detailed description nine: the eighth difference between the present embodiment and the specific embodiment is that the top connecting seat 10 includes two locking units 101 and one connecting slot plate 102, where the two locking units 101 and the one connecting slot plate 102 are both disposed at the top of the top connecting plate 7, and the two locking units 101 are symmetrically disposed along a diameter of the top end of the top connecting plate 7, the bottom of each locking unit 101 is fixedly connected with the top of the top connecting plate 7, the connecting slot plate 102 is disposed between the two locking units 101, and the bottom of the connecting slot plate 102 is fixedly connected with the top of the top connecting plate 7, and each end of the connecting slot plate 102 is fixedly connected with the corresponding locking unit 101;

The locking unit 101 comprises a shell 1011, a top cover 1012, a slideway plate 1016 and two reset locking mechanisms, wherein a rectangular cavity is processed at the center of the top of the shell 1011, the top cover 1012 is arranged at the top of the rectangular cavity, the top cover 1012 is detachably connected with the shell 1011, a conical through hole 1013 is processed at the center of the top cover 1012, the slideway plate 1016 is fixedly connected at the inner bottom of the rectangular cavity, the two reset locking mechanisms are arranged in the rectangular cavity, the two reset locking mechanisms are oppositely arranged along the central line of the length direction of the shell 1011, each reset locking mechanism is fixedly connected with the end face of the corresponding one end in the rectangular cavity, the bottom of each reset locking mechanism is in sliding connection with the slideway plate 1016, two ends of the shell 1011 are processed with insertion through holes 1019, the axis of each insertion through hole 1019 is perpendicular to the side wall of the shell 1011, one side of each insertion through hole 1019 close to the rectangular cavity is processed with a through groove 1020, one end of the through groove 1020 is communicated with the insertion through hole 1019, and the other end of the through groove 1020 is communicated with the rectangular cavity, and an electromagnetic iron rod 103 is inserted into each insertion through hole 1019;

the reset locking mechanism comprises a locking plate 1014, a magnetic plate 1017, a plurality of sliding blocks 1018 and a plurality of reset components, wherein the locking plate 1014 is arranged in a rectangular cavity, the locking plate 1014 is a plate body with a J-shaped section, a long extension edge part in the locking plate 1014 is arranged close to a top cover 1012, a short extension edge part in the locking plate 1014 is arranged close to the sliding plate 1016, a semicircular caulking groove is formed in the center of the end part of the long extension part in the locking plate 1014, the plurality of sliding blocks 1018 are fixedly connected to the lower surface of the short extension edge part in the locking plate 1014 at equal intervals along the width direction of a shell 1011, a plurality of sliding ways are formed in the upper surface of the sliding plate 1016 at equal intervals along the width direction of the shell 1011, the length extension direction of each sliding way is identical to the length extension direction of the shell 1011, each sliding block 1018 is correspondingly matched with one sliding way, the locking plate 1014 is in sliding connection with the sliding way plate 1018, a plurality of reset components are equidistantly arranged on the closed end of the locking plate 1014 along the width direction of the shell 1011, each reset component is fixedly connected with the closed end of the locking plate 1014 along one end of the shell 1011, the other end of the corresponding to the magnetic plate 1017 is fixedly connected with one end of the corresponding side of the rectangular cavity 1016, and the reset component is fixedly connected with one end 1020 in the magnetic plate 1017;

The reset component comprises a reset spring 1015 and a central guide rod, one end of the central guide rod is fixedly connected with the closed end of the locking plate 1014, the other end of the central guide rod extends into the through groove 1020 and is fixedly connected with one side of the magnetic plate 1017, the reset spring 1015 is sleeved on the outer circular surface of the central guide rod, one end of the reset spring 1015 is fixedly connected with the closed end of the locking plate 1014, and the other end of the reset spring 1015 is fixedly connected with the corresponding end face of the rectangular cavity. Other compositions and connection modes are the same as those of the eighth embodiment.

Detailed description ten: the present embodiment is different from the ninth embodiment in that, referring to fig. 1 to 19, the vibration-damping connection structure further includes a connector unit 11 that is used in cooperation with the top connection base 10, the connector unit 11 is mounted on a component connected with the vibration-damping connection structure, the connector unit 11 includes a mounting plate 111, a center insert plate 112, and two limit pins 113, the center insert plate 112 is fixedly connected at a center of a lower surface of the mounting plate 111, the center insert plate 112 is correspondingly matched with the connection slot plate 102, the two limit pins 113 are symmetrically disposed at two ends of the center insert plate 112 along a center line of the length direction of the connection slot plate 102, a top of each limit pin 113 is fixedly connected with a lower surface of the mounting plate 111, and each limit pin 113 is correspondingly matched with one locking unit 101;

The central plugboard 112 comprises a U-shaped plate 1121 and two plug block groups 1122, the U-shaped plate 1121 is inverted at the center of the lower surface of the mounting plate 111, the closed end of the U-shaped plate 1121 is fixedly connected with the lower surface of the mounting plate 111, the two plug block groups 1122 are arranged on the inner side wall of the U-shaped plate 1121, the two plug block groups 1122 are symmetrically arranged along the central line of the width direction of the U-shaped plate 1121, each plug block group 1122 comprises a plurality of plug blocks, the plug blocks are equidistantly arranged along the length extending direction of the U-shaped plate 1121, each plug block is fixedly connected with the inner side wall of the corresponding U-shaped plate 1121, and each plug block is correspondingly matched with one slot of the connecting slot plate 102;

the limiting plug 113 comprises a connecting column 1131 and a limiting plate 1132, the connecting column 1131 is arranged on the lower surface of the mounting plate 111 along the vertical direction, the top end of the connecting column 1131 is fixedly connected with the mounting plate 111, the limiting plate 1132 is fixedly connected to the bottom end of the connecting column 1131, and the limiting plate 1132 and the connecting column 1131 are coaxially arranged. Other compositions and connection manners are the same as those of the embodiment nine.

According to the application, in order to ensure that the seat and the vibration reduction structure can be quickly and stably connected, and the connection structure between the seat and the vibration reduction structure is also optimized, the seat can be quickly disassembled, and the connection accuracy and stability can be ensured;

In this embodiment, the magnetic force is provided by the electromagnet rod 103, the electromagnet rod 103 generates the magnetic force under the electrified state, the magnetic plate 1017 is attracted to the electromagnet rod 103 under the action of the magnetic force, the magnetic plate 1017 drives the locking plates 1014 to move towards the electromagnet rod 103 through the central guide rod, the two locking plates 1014 are in the separated state in this state, the limiting plug 113 can be inserted between the two locking plates 1014, after the limiting plug 113 is inserted in place, the electromagnet rod 103 is powered off, the electromagnet rod 103 loses magnetism, the two locking plates 1014 are recombined together along with the reset action of the reset spring 1015, the locking action is realized, in order to ensure the stability of the splicing of the locking plates 1014, the slot and the plug block are correspondingly arranged on the splicing surface of the two locking plates 1014, the electromagnet rod 103 can be always inserted in the inserting through hole 1019, the two locking plates 1014 can also be directly taken out after being combined, the electromagnet rod 103 is connected with an external power source after being extended to the outside of the seat, the electromagnet rod 103 is in the same direction as the locking plates are not needed to be assembled, the electromagnet rod 103 is required to be conveniently and quickly replaced after the electromagnet rod 103 is installed in the seat is required to be installed in the same direction, and the seat is convenient and the seat is required to be conveniently and quickly replaced.

The present application has been described in terms of preferred embodiments, but is not limited to the above-described embodiments, and any simple modification, equivalent changes and variation of the above-described embodiments according to the technical principles of the present application will be within the scope of the present application when the above-described structures and technical principles can be utilized to make a few equivalent embodiments without departing from the technical scope of the present application.

Working principle:

the paving apparatus provided by the present application is assembled together according to the description of the first to tenth embodiments of the present application before use, first the connector unit 11 is mounted on the bottom of the seat structure by bolts, then the seat structure with the connector unit 11 is connected with the vibration damping structure with the top connecting seat 10, when the connector unit 11 is connected, the electromagnet rod 103 is inserted into the insertion through hole 1019, and the electromagnet rod 103 is powered by the external power source, the electromagnet rod 103 generates magnetism in the powered state, the magnetic force of the magnetic plate 1017 attracts the electromagnet rod 103 to move toward the electromagnet rod 103, and since the magnetic plate 1017 is connected with the locking plate 1014 by the central guide rod, the locking plate 1014 also moves toward the electromagnet rod 103 with the magnetic plate 1017, and at this time the two locking plates 1014 are in the separated state, the connector unit 11 is docked with the top connecting seat 10, the connecting slot plate 102 and the central plug board 112 are inserted and arranged, the limit disc 1132 is arranged between the two locking plates 1014, after the central plug board 112 and the limit disc 1132 are installed in place, an external power supply is controlled to cut off the power supply to the electromagnet rod 103, the electromagnet rod 103 loses magnetism in the power-off state when the electromagnet rod 103 is in the power-off state, the magnetic plate 1017 is far away from the electromagnet rod 103 in the rebound state of the reset spring 1015, the locking plates 1014 connected with the magnetic plate 1017 are also far away from the electromagnet rod 103 along with the magnetic plate 1017, the two locking plates 1014 realize the merging action, the top parts of the two locking plates 1014 are respectively processed with a circular half hole, the two circular half holes form a complete circle center through hole for being matched with the connecting column 1131 when the locking plates 1014 are in the merging state, and a sealing rubber layer can be adhered on the inner wall of the circular half holes to improve the friction force in order to increase the clamping property and wrapping tightness of the circular half holes to the connecting column 1131, the center of the locking plate 1014 is combined to form a containing cavity for containing the limiting plate 1132, the containing cavity can limit the limiting plate 1132, so that the connection action of the seat and the vibration reduction structure is completed, at the moment, the electromagnet rod 103 can be detached from the insertion through hole 1019 for standby, and if the interior of the vibration reduction structure is required to be overhauled or the seat is required to be replaced, the steps can be repeated to separate the seat from the vibration reduction structure;

When a passenger sits on the seat, the seat is sunk by gravity and is wholly sunk, at the moment, the honeycomb buffer layer 52 is in a first compression state and is matched with the longitudinal buffer unit 6 in the primary compression process to support the seat, a transition sleeve is added to the first compression spring damper structure 63 in the longitudinal buffer unit 6 compared with the traditional compression spring damper, the transition sleeve can segment the working state of the compression spring damper, the original primary compression state is divided into secondary compression, the two compression states are different, when the primary compression is carried out, only the damper carries out compression action, the compression spring does not participate in compression work, the primary compression is mainly suitable for sitting on the seat, the falling feel of the seat, and if the primary compression spring participates in providing a reverse force to the seat, the discomfort of the passenger can be caused;

when vertical vibration occurs during train operation, the honeycomb buffer layer 52 and the longitudinal buffer unit 6 perform secondary compression or extension action along with the vibration direction, the vibration amplitude is absorbed through the compression or extension action, the stability of the seat under the impact of the vertical vibration is improved, during secondary compression, the end part of a piston rod in the first compression spring damper structure 63 drives the transition sleeve 632 to move, at the moment, the compression springs perform synchronous compression, the secondary compression is mainly used for overcoming the vertical vibration during train movement, and the vibration amplitude is eliminated to provide a comfortable riding environment for passengers;

When the train runs, horizontal vibration is generated, the circumferential buffer units 8 are used for overcoming the horizontal vibration of the train, as the direction of the horizontal vibration is uncertain, in order to improve the comprehensiveness of the buffer units, a plurality of circumferential buffer units 8 are circumferentially equidistantly arranged on the outer circular surface of the movable column unit 4, each circumferential buffer unit 8 comprises two circumferential buffer components, the two circumferential buffer components are oppositely arranged, when the movable column is subjected to the horizontal vibration, the two circumferential buffer components are compressed in opposite directions along with the movable column unit 4 to buffer the movement trend of the movable column 41, and compression damping mechanisms in other areas can extend along with the movement direction of the movable column 41 to absorb vibration amplitude along with the compression and extension actions of springs in different areas in the circumferential buffer units, so that the stability of the seat is reduced to the greatest extent, the circumferential buffer components are connected with the movable column 41 and the cylindrical seat 31 through spherical hinges, and the freedom degree of the circumferential buffer components in deformation is ensured, so that the movement trend of the movable column 41 is buffered along with the movement trend of the movable column 41 is satisfied, and the compression damping mechanisms in other areas can extend along with the movement direction of the movable column 41;

The compression state of the circumferential buffer component is the same as that of the first compression spring damper structure 63 in the second compression, the amplitude attenuation is achieved through the compression spring matched damper, the extension state of the circumferential buffer component in other areas is strained for the compression state of the circumferential buffer component in the matched vibration direction area, when horizontal vibration is generated, the movable column 41 can move along the horizontal vibration direction, the distance between the movable column 41 and the cylindrical seat 31 along the vibration direction can be reduced, the distance between the movable column 41 and the cylindrical seat 31 along the non-vibration direction can be increased, and along with the change of the position of the movable column 41, the position of the connecting point of the circumferential buffer component and the movable column 41 can be changed, as the circumferential buffer component and the movable column 41 are connected through the spherical hinge, and the length of the second compression spring damper structure 82 can be changed, therefore, the strain degree of freedom of each circumferential buffer component can meet the working requirement when horizontal vibration is generated, the circumferential buffer component and the seat can be matched with the circumferential buffer component in the non-vibration direction area in the largest vibration direction, and the seat can still have a perfect vibration stability when the seat is in the most stable vibration and the vibration environment is guaranteed.

Claims

1. An indoor damping connection structure of rail train, damping connection structure is used for supporting the seat, its characterized in that: the vibration reduction connecting structure comprises a bottom plate (1), a guide sleeve (2), a positioning seat (3), a movable column unit (4), a bottom buffer unit (5), a top connecting plate (7), a top connecting seat (10), a plurality of longitudinal buffer units (6) and a plurality of circumferential buffer units (8), wherein the longitudinal buffer units (6) are used for buffering vertical vibration; the guide sleeve (2) is arranged at the center of the upper surface of the bottom plate (1) along the vertical direction, the bottom of the guide sleeve (2) is fixedly connected with the upper surface of the bottom plate (1), the bottom buffer unit (5) is arranged at the inner bottom of the guide sleeve (2), the bottom of the bottom buffer unit (5) is fixedly connected with the upper surface of the bottom plate (1), the positioning seat (3) is arranged at the top of the bottom buffer unit (5), a plurality of longitudinal buffer units (6) are circumferentially and equidistantly arranged on the outer circular surface of the guide sleeve (2), one end of each longitudinal buffer unit (6) is fixedly connected with the upper surface of the bottom plate (1), the other end of each longitudinal buffer unit (6) penetrates through the guide sleeve (2) and is fixedly connected with the outer circular wall of the positioning seat (3), the movable column unit (4) is arranged in the positioning seat (3), the bottom of the movable column unit (4) is slidably arranged at the inner bottom of the positioning seat (3), the top of the movable column unit (4) extends to the outside of the positioning seat (3), one end of the connecting plate (7) is arranged at the same line as the top of the movable column unit (4), the top of the movable column unit (7) is arranged at the top of the movable column unit (4) and is fixedly connected with the top of the movable column unit (7), the edge of the top connecting plate (7) is erected at the top of the positioning seat (3), the bottom of the edge of the top connecting plate (7) is slidably arranged with the top of the positioning seat (3), the top connecting seat (10) is fixedly connected at the center of the top connecting plate (7), a plurality of circumferential buffer units (8) are circumferentially equidistantly arranged on the outer circular wall of the movable column unit (4), one end of each circumferential buffer unit (8) is fixedly connected with the outer circular wall of the movable column unit (4), and the other end of each circumferential buffer unit (8) is fixedly connected with the inner circular wall of the positioning seat (3);

A plurality of longitudinal strip-shaped holes (21) are formed in the outer circular surface of the guide sleeve (2) at equal intervals, each longitudinal strip-shaped hole (21) is arranged corresponding to one longitudinal buffer unit (6), and one end of each longitudinal buffer unit (6) penetrates through the corresponding longitudinal strip-shaped hole (21) and is fixedly connected with the outer circular wall of the positioning seat (3);

the longitudinal buffer unit (6) comprises a positioning seat connecting block (61), a top hinging seat (62), a first compression spring damper structure (63), a bottom hinging lug (64) and a fixed hinging seat (65), wherein the top hinging seat (62) is fixedly connected to the top end of the first compression spring damper structure (63), the bottom hinging lug (64) is arranged at the bottom end of the first compression spring damper structure (63), one end of the bottom hinging lug (64) is fixedly connected with the bottom end of the first compression spring damper structure (63), the positioning seat connecting block (61) is arranged on the top hinging seat (62), one end of the positioning seat connecting block (61) is hinged with the top hinging seat (62), the other end of the positioning seat connecting block (61) penetrates through the longitudinal strip-shaped hole (21) and is fixedly connected with the outer circular wall of the base body (31), the fixed hinging seat (65) is fixedly connected to the upper surface of the bottom plate (1), and the other end of the bottom hinging lug (64) is hinged with the fixed hinging seat (65).

The first compression spring damper structure (63) comprises a first damper (631), a transition sleeve (632) and a first compression spring (633), wherein the transition sleeve (632) and the first compression spring (633) are sleeved on the outer circular surface of a piston rod in the first damper (631), the first compression spring (633) is arranged between the transition sleeve (632) and a shell in the first damper (631), one end of the first compression spring (633) is fixedly connected with the bottom end of the transition sleeve (632), the other end of the first compression spring (633) is fixedly connected with the shell in the first damper (631), a top hinge seat (62) is fixedly connected to the top end of the piston rod in the first damper (631), and a bottom hinge lug (64) is fixedly connected to the bottom end of the shell in the first damper (631);

the top connecting seat (10) comprises two locking units (101) and a connecting slot plate (102), wherein the two locking units (101) and the connecting slot plate (102) are both arranged at the top of the top connecting plate (7), the two locking units (101) are symmetrically arranged along one diameter of the top end of the top connecting plate (7), the bottom of each locking unit (101) is fixedly connected with the top of the top connecting plate (7), the connecting slot plate (102) is arranged between the two locking units (101), the bottom of the connecting slot plate (102) is fixedly connected with the top of the top connecting plate (7), and each end of the connecting slot plate (102) is fixedly connected with the corresponding locking unit (101);

The locking unit (101) comprises a shell (1011), a top cover (1012), a slideway plate (1016) and two reset locking mechanisms, wherein a rectangular cavity is processed at the center of the top of the shell (1011), the top cover (1012) is arranged at the top of the rectangular cavity, the top cover (1012) is detachably connected with the shell (1011), a conical through hole (1013) is processed at the center of the top cover (1012), the slideway plate (1016) is fixedly connected at the inner bottom of the rectangular cavity, the two reset locking mechanisms are arranged in the rectangular cavity, the two reset locking mechanisms are oppositely arranged along the central line of the length direction of the shell (1011), the bottom of each reset locking mechanism is fixedly connected with the corresponding end face of one end in the rectangular cavity, the bottom of each reset locking mechanism is in sliding connection with the slideway plate (1016), the two ends of the shell (1011) are provided with inserting through holes (1019), the axis of each inserting through hole (1019) is perpendicular to the side wall of the shell (1011), one side, close to the rectangular cavity, of each inserting through hole (1019) is provided with a through groove (1020), one end of each through groove (1020) is communicated with the inserting through hole (1019), and the other end of each electromagnetic rod (103) is communicated with the corresponding electromagnetic rod (103);

The reset locking mechanism comprises a locking plate (1014), a magnetic plate (1017), a plurality of sliding blocks (1018) and a plurality of reset components, wherein the locking plate (1014) is arranged in a rectangular cavity, the locking plate (1014) is a plate body with a J-shaped section, the long extension side part in the locking plate (1014) is arranged close to a top cover (1012), the short extension side part in the locking plate (1014) is arranged close to a slide plate (1016), a semicircular caulking groove is processed at the center of the end part of the long extension part in the locking plate (1014), the plurality of sliding blocks (1018) are fixedly connected on the lower surface of the short extension side part in the locking plate (1014) at equal intervals along the width direction of a shell (1011), a plurality of slide ways are processed on the upper surface of the slide plate (1016) at equal intervals along the width direction of the shell (1011), the length extension direction of each slide way is the same as the length extension direction of the shell (1011), each sliding block (1018) is correspondingly matched with one slide way, the locking plate (1014) is connected with the slide way plate (1016) in a sliding way, the plurality of reset components are arranged on the corresponding end face of the shell (1011) along the width direction of the shell (1011) at the end face of the end face (1011) of the corresponding to the closed end face (1011), the reset components are fixed at the end face (1011) of the end face (1011) and are fixed at equal distance, one side of the magnetic plate (1017) is fixedly connected with one end of the plurality of reset components, which is far away from the locking plate (1014);

The reset assembly comprises a reset spring (1015) and a central guide rod, one end of the central guide rod is fixedly connected with the closed end of the locking plate (1014), the other end of the central guide rod extends into the through groove (1020) and is fixedly connected with one side of the magnetic plate (1017), the reset spring (1015) is sleeved on the outer circular surface of the central guide rod, one end of the reset spring (1015) is fixedly connected with the closed end of the locking plate (1014), and the other end of the reset spring (1015) is fixedly connected with the corresponding end face of the rectangular cavity.

2. The indoor vibration damping connection structure for a rail train according to claim 1, wherein: the positioning seat (3) comprises a cylindrical seat body (31), a top press ring (34) and a plurality of first-order balls (33), wherein a plurality of first-order hemispherical pits (32) are formed in the top of the cylindrical seat body (31) at equal intervals along the circumferential direction, each first-order ball (33) is correspondingly arranged in one first-order hemispherical pit (32), two pin holes are respectively formed in two sides of each first-order hemispherical pit (32), a plurality of plug pin groups are respectively formed in the bottom of the top press ring (34) at equal intervals along the circumferential direction, each plug pin group comprises two plug pins, the top of each plug pin is integrally formed with the top press ring (34), each plug pin is coaxially arranged with one pin hole in a corresponding mode, the top press ring (34) is plugged into the top of the cylindrical seat body (31) through the plug pins, a plurality of through holes are formed in equal intervals along the circumferential direction on the upper surface of the top press ring (34), each through hole is correspondingly arranged with one first-order ball (33), the top of each first-order ball (33) penetrates through the corresponding through hole and is arranged outside the corresponding through hole, the top of the top ring (33) and is tightly contacted with the top of the top press ring (35) of the cylindrical press ring (31) through the top press ring (35), the edge of the top connecting plate (7) is arranged on a plurality of first balls (33), and the top connecting plate (7) is arranged in a sliding way with the positioning seat (3) through the plurality of first balls (33).

3. The indoor vibration damping connection structure for a rail train according to claim 2, wherein: the movable column unit (4) comprises a movable column body (41) and a plurality of bottom ball units, a plurality of second hemispherical pits (44) are uniformly formed in the bottom of the movable column body (41), each bottom ball unit is correspondingly arranged in one second hemispherical pit (44), and each bottom ball unit is detachably connected with the bottom of the movable column body (41);

the bottom ball unit includes No. two balls (42), bottom clamping ring (43), no. two sealing washer (45) and a plurality of locking bolt (46), no. two balls (42) correspond to be set up in No. two hemispheric pits (44), a plurality of locking screw holes have been processed to the circumference equidistance of No. two hemispheric pits (44), a plurality of countersunk through-holes have been processed along circumference equidistance to the lower surface of bottom clamping ring (43), and every countersunk through-hole corresponds the setting with a locking screw hole is coaxial, bottom clamping ring (43) set up the bottom at movable cylinder (41), and bottom clamping ring (43) are dismantled with the bottom of movable cylinder (41) through a plurality of locking bolt (46), the bottom of No. two balls (42) passes the centre bore on bottom clamping ring (43) and with the interior bottom contact of cylindric pedestal (31), movable cylinder (41) are through a plurality of No. two balls (42) and the interior bottom slip setting of cylindric pedestal (31).

4. A rail train indoor vibration damping connection structure according to claim 3, wherein: the bottom buffer unit (5) comprises a top bearing plate (51), a honeycomb buffer layer (52) and a bottom rubber plate (53), wherein the top bearing plate (51) and the bottom rubber plate (53) are oppositely arranged in an up-down parallel mode, the honeycomb buffer layer (52) is arranged between the top bearing plate (51) and the bottom rubber plate (53), the top of the honeycomb buffer layer (52) is fixedly connected with the bottom of the top bearing plate (51), the bottom of the honeycomb buffer layer (52) is fixedly connected with the top of the bottom rubber plate (53), the bottom rubber plate (53) is in contact with the upper surface of the bottom plate (1), and the bottom of the cylindrical seat body (31) in the positioning seat (3) is arranged on the top bearing plate (51).

5. The indoor vibration damping connection structure for a rail train according to claim 4, wherein: the circumferential buffer units (8) comprise two circumferential buffer components, the two circumferential buffer components are symmetrically arranged along the middle division plane of the radial direction of the movable column body (41), one end of each circumferential buffer component is fixedly connected with the outer circular wall of the movable column body (41), and the other end of each circumferential buffer component is fixedly connected with the inner wall of the positioning seat (3);

The circumferential buffer assembly comprises a first spherical hinge (81), a second compression spring damper structure (82) and a second spherical hinge (83), wherein the first spherical hinge (81) is hinged with one end of the second compression spring damper structure (82), the second spherical hinge (83) is hinged with the other end of the second compression spring damper structure (82), a shell of the first spherical hinge (81) is fixedly connected to the inner wall of the positioning seat (3), and the second spherical hinge (83) is fixedly connected to the outer circular wall of the movable cylinder (41);

the second compression spring damper structure (82) comprises a second damper (821), a second compression spring (822), a first spherical hinge seat (823) and a second spherical hinge seat (824), the second compression spring (822) is sleeved on a piston rod in the second damper (821), one end of the second compression spring (822) is fixedly connected with a shell in the second damper (821), the other end of the second compression spring (822) is fixedly connected with the end part of the piston rod in the second damper (821), the first spherical hinge seat (823) is fixedly connected with the end part of the piston rod in the second damper (821), the second damper (821) is hinged with the first spherical hinge (81) through the first spherical hinge seat (823), the second spherical hinge seat (824) is fixedly connected with the bottom of the shell in the second damper (821), and the second damper (821) is hinged with the second spherical hinge (83) through the second spherical hinge seat (824).

6. The indoor vibration damping connection structure for a rail train according to claim 5, wherein: the vibration reduction connection structure further comprises a guide sleeve reinforcing unit (9), the guide sleeve reinforcing unit (9) is sleeved on the guide sleeve (2), the guide sleeve reinforcing unit (9) comprises a reinforcing ring (91) and a plurality of reinforcing rib plates (92), the reinforcing ring (91) is sleeved on the lower portion of the guide sleeve (2), the bottom end of the reinforcing ring (91) is fixedly connected with the upper surface of the bottom plate (1), the inner annular wall of the reinforcing ring (91) is fixedly connected with the outer annular wall of the guide sleeve (2), annular protrusions are arranged at the top of the reinforcing ring (91) along the circumferential direction, the annular protrusions and the reinforcing ring (91) are integrally formed, a plurality of reinforcing rib plates (92) are arranged on the outer annular surface of the annular protrusions at equal intervals along the circumferential direction, one side of each reinforcing rib plate (92) is fixedly connected with the outer annular wall of the annular protrusions, and the bottom of each reinforcing rib plate (92) is fixedly connected with the top of the reinforcing ring (91).

7. The indoor vibration damping connection structure for a rail train according to claim 6, wherein: the vibration reduction connecting structure further comprises a connecting piece unit (11) matched with the top connecting seat (10), the connecting piece unit (11) is arranged on a part connected with the vibration reduction connecting structure, the connecting piece unit (11) comprises a mounting plate (111), a center inserting plate (112) and two limiting bolts (113), the center inserting plate (112) is fixedly connected to the center of the lower surface of the mounting plate (111), the center inserting plate (112) is correspondingly matched with the connecting inserting groove plate (102), the two limiting bolts (113) are symmetrically arranged at two ends of the center inserting plate (112) along the central line of the length direction of the connecting inserting groove plate (102), the top of each limiting bolt (113) is fixedly connected with the lower surface of the mounting plate (111), and each limiting bolt (113) is correspondingly matched with one locking unit (101);

The central plugboard (112) comprises a U-shaped plate (1121) and two plug block groups (1122), the U-shaped plate (1121) is inverted at the center of the lower surface of the mounting plate (111), the closed end of the U-shaped plate (1121) is fixedly connected with the lower surface of the mounting plate (111), the two plug block groups (1122) are arranged on the inner side wall of the U-shaped plate (1121), the two plug block groups (1122) are symmetrically arranged along the central line of the width direction of the U-shaped plate (1121), each plug block group (1122) comprises a plurality of plug blocks, the plug blocks are equidistantly arranged along the length extending direction of the U-shaped plate (1121), each plug block is fixedly connected with the inner side wall of the corresponding U-shaped plate (1121), and each plug block is correspondingly matched with one slot in the connecting slot plate (102);

the limiting plug pin (113) comprises a connecting column (1131) and a limiting disc (1132), the connecting column (1131) is arranged on the lower surface of the mounting plate (111) along the vertical direction, the top end of the connecting column (1131) is fixedly connected with the mounting plate (111), the limiting disc (1132) is fixedly connected to the bottom end of the connecting column (1131), and the limiting disc (1132) and the connecting column (1131) are coaxially arranged.