CN115465015B - Maglev train rescue wheel mechanism and maglev train - Google Patents
Maglev train rescue wheel mechanism and maglev train Download PDFInfo
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- CN115465015B CN115465015B CN202211247693.5A CN202211247693A CN115465015B CN 115465015 B CN115465015 B CN 115465015B CN 202211247693 A CN202211247693 A CN 202211247693A CN 115465015 B CN115465015 B CN 115465015B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/325—Reliability
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
本发明公开了一种磁浮列车救援轮机构及磁浮列车，所述磁浮列车救援轮机构包括安装座、液压缸、车轮连杆、车轮以及止挡部件；所述止挡部件设有容纳所述车轮连杆的容纳槽，所述容纳槽具有止挡面、左侧面和右侧面，所述止挡面与垂向之间具有自锁角度，所述车轮连杆的上端与所述安装座相铰接，所述车轮连杆的下端与车轮轴相铰接；所述液压缸斜向布置，其上端与所述安装座相铰接，下端套装于所述车轮轴；所述容纳槽内部设有能够侧向移动卡槽部件，其与所述容纳槽的侧面之间设有弹簧，所述卡槽部件的侧面设有限位凸起。该救援轮机构在磁浮列车悬浮失效时作为备用的垂向支撑，保证磁浮列车能够在牵引救援车的牵引下，安全快速的救援回站。
The present invention discloses a maglev train rescue wheel mechanism and a maglev train, wherein the maglev train rescue wheel mechanism comprises a mounting seat, a hydraulic cylinder, a wheel connecting rod, a wheel and a stopper; the stopper is provided with a receiving groove for receiving the wheel connecting rod, the receiving groove has a stopper surface, a left side surface and a right side surface, the stopper surface has a self-locking angle with the vertical direction, the upper end of the wheel connecting rod is hinged with the mounting seat, and the lower end of the wheel connecting rod is hinged with the wheel shaft; the hydraulic cylinder is arranged obliquely, the upper end of the hydraulic cylinder is hinged with the mounting seat, and the lower end is sleeved on the wheel shaft; a slot component capable of moving laterally is provided inside the receiving groove, a spring is provided between the slot component and the side of the receiving groove, and a limiting protrusion is provided on the side of the slot component. The rescue wheel mechanism serves as a spare vertical support when the suspension of the maglev train fails, ensuring that the maglev train can be safely and quickly rescued and returned to the station under the traction of a traction rescue vehicle.
Description
Technical Field
The invention relates to the technical field of magnetic levitation trains, in particular to a rescue wheel mechanism of a magnetic levitation train. The invention also relates to a maglev train provided with the rescue wheel mechanism.
Background
At present, the operation speed of the high-speed rail reaches 400km/h, the speed of the airplane is 1000km/h, a large speed blank exists between the high-speed rail and the airplane, and the high-speed magnetic levitation transportation demand is generated in the background.
The high-speed magnetic levitation train has very important effects on expanding urban circles, cooperatively developing cities, improving traffic capacity and relieving traffic embarrassment. Along with the rapid development of the high-speed magnetic levitation train, the high-speed magnetic levitation taking the rail-holding type levitation frame as a core is a main development direction of the magnetic levitation train due to safety and reliability, but when the rail-holding type levitation frame has levitation failure, the vertical load of the train is supported by the skid due to the non-wheel structure, and the friction coefficient of the skid is larger.
Therefore, train rescue is difficult, which is one of the key problems that prevent the development of the maglev train at present.
Disclosure of Invention
The invention aims to provide a rescue wheel mechanism of a maglev train. The rescue wheel mechanism is used as a standby vertical support when the suspension of the maglev train fails, so that the maglev train can be safely and rapidly returned to the station under the traction of the traction rescue vehicle.
The invention further aims at providing a maglev train provided with the maglev train rescue wheel mechanism.
The invention provides a magnetic levitation train rescue wheel mechanism, which comprises a mounting seat, a hydraulic cylinder, a wheel connecting rod, two wheels coaxially arranged and a stop part positioned between the two wheels, wherein the stop part is fixed below the mounting seat and is provided with a containing groove for containing the wheel connecting rod, the containing groove is provided with a stop surface, a left side surface and a right side surface, a self-locking angle is formed between the stop surface and the vertical direction, the upper end of the wheel connecting rod is hinged with the mounting seat, the lower end of the wheel connecting rod is hinged with a wheel shaft, the hydraulic cylinder is obliquely arranged, the upper end of the hydraulic cylinder is hinged with the mounting seat, the lower end of the hydraulic cylinder is sleeved on the wheel shaft, a clamping groove part positioned at one side of the wheel connecting rod is arranged in the containing groove, the clamping groove part can move laterally, a spring is arranged between the clamping groove and the side surface of the containing groove, the side surface of the clamping groove part is provided with a limiting bulge, the limiting bulge is provided with a first limiting inclined surface and a second limiting inclined surface, the side surface is provided with a third inclined surface, and the lower end of the hydraulic cylinder is provided with a limiting stop lever extending upwards.
Optionally, in the standby state, the hydraulic cylinder shortens, the wheel connecting rod through its third spacing inclined plane with spacing bellied first spacing inclined plane cooperatees, and in the operating condition, the hydraulic cylinder extends, the wheel connecting rod support in the backstop face of holding tank, simultaneously, the pin through its fourth spacing inclined plane with spacing bellied second spacing inclined plane cooperatees.
Optionally, the self-locking angle between the stop surface and the vertical direction is 2-10 degrees.
Optionally, in the process of switching from the standby state to the working state, the wheel connecting rod moves laterally towards the direction of the compression spring through the relative movement of the third limiting inclined surface and the first limiting inclined surface of the limiting protrusion.
Optionally, the stop lever is provided with a fifth limiting inclined plane, and the fifth limiting inclined plane and the fourth limiting inclined plane are in smooth transition.
Optionally, the inclination of the first limiting inclined plane relative to the vertical direction is larger than the inclination of the second limiting inclined plane relative to the vertical direction, and an included angle between the first limiting inclined plane and the second limiting inclined plane is an acute angle.
Optionally, a mounting hole with an oblong hole is arranged at the lower end of the hydraulic cylinder, and the hydraulic cylinder is sleeved on the wheel shafts of the two wheels through the mounting hole.
Optionally, a guide post is disposed between the left side surface and the right side surface of the accommodating groove, and the clamping groove component is provided with a guide hole and is in sliding fit with the guide post through the guide hole so as to move in the left-right direction.
Optionally, the lateral projection of the stop member is inverted triangular.
Optionally, the two rescue wheel mechanisms of the maglev train are symmetrically installed.
In order to achieve the other purpose, the invention also provides a magnetic levitation train, which comprises a train body and a levitation frame arranged at the bottom of the train body, wherein a rescue wheel mechanism is arranged on a cross beam of the levitation frame, and the rescue wheel mechanism is any one of the magnetic levitation train rescue wheel mechanisms.
The invention provides a magnetic suspension train rescue wheel mechanism, which mainly comprises a mounting seat, wheels, a stop part, a clamping groove part, a wheel connecting rod, a hydraulic cylinder and the like, and is characterized in that the stop part, the clamping groove part and the wheel connecting rod are mutually matched to realize standby state self-locking of a rescue mechanism, and working state gravity and mechanism double self-locking, so that the stop part and the clamping groove part can be driven to be self-locked and unlocked when the hydraulic cylinder is pushed and pulled to work, the mechanism is not unlocked when the wheel pair is stressed, the mechanism is simple to control, only the hydraulic cylinder is required to provide push and pull actions, simultaneously the standby state and the working state of the rescue mechanism do not need to be maintained by the hydraulic cylinder, and the rescue wheel and a rail can generate larger vertical and transverse impact when the rescue wheel passes through a rail gap under a rescue working condition, and the rescue mechanism is locked when working through the double self-locking design, so that the work stability and reliability of the rescue mechanism are ensured.
The magnetic levitation train provided by the invention is provided with the magnetic levitation train rescue wheel mechanism, and the magnetic levitation train provided with the magnetic levitation train rescue wheel mechanism has corresponding technical effects because the magnetic levitation train rescue wheel mechanism has the technical effects.
Drawings
Fig. 1 is a schematic structural diagram of a rescue wheel mechanism of a maglev train provided by an embodiment of the invention;
FIG. 2 is a side view of the rescue wheel mechanism of the maglev train of FIG. 1 after removal of the wheels;
FIG. 3 is an isometric perspective view of the rescue wheel mechanism of the maglev train of FIG. 1 after removal of the mounting blocks and wheels;
FIG. 4 is an isometric perspective view of a stop member;
FIG. 5 is an isometric perspective view of the clamping groove member mounted to the stop member;
FIG. 6 is a schematic view of a structure in which a limiting protrusion is provided on a side surface of a clamping groove component;
FIG. 7 is a schematic structural view of a wheel link;
FIG. 8 is a schematic structural view of the symmetrical installation of two maglev train rescue wheel mechanisms;
fig. 9 is a schematic diagram of a process of switching the rescue wheel mechanism of the maglev train shown in fig. 1 from a standby state to an operating state.
In the figure:
1. Mounting base 2, wheel 3, stop member 31, receiving slot 311, stop surface 312, left side 313, right side 314, guide post 4, slot member 41, guide hole 42, stop tab 421, first stop ramp 422, second stop ramp 5, wheel link 51, third stop ramp 6, hydraulic cylinder 61, mounting hole 7, wheel axle 8, stop lever 81, fourth stop ramp 82, fifth stop ramp
Detailed Description
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
In this document, terms "upper, lower, inner, outer", etc. are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may vary depending on the drawings, and thus, it is not to be construed as an absolute limitation of the scope of protection, and relational terms such as "first" and "second" etc. are used solely to distinguish one element from another having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a rescue wheel mechanism of a maglev train according to an embodiment of the present invention, fig. 2 is a side view of the rescue wheel mechanism of the maglev train shown in fig. 1 after removing wheels, and fig. 3 is a perspective axial view of the rescue wheel mechanism of the maglev train shown in fig. 1 after removing mounting seats and wheels.
In a specific embodiment, the rescue wheel mechanism of the maglev train mainly comprises a mounting seat 1, two wheels 2, a stop component 3, a clamping groove component 4, a wheel connecting rod 5, a hydraulic cylinder 6 and other components, wherein the two wheels 2 are coaxially arranged and mounted on the same wheel shaft 7, the stop component 3 is positioned between the two wheels 2, the lateral projection of the stop component 3 is in an inverted triangle shape, and the stop component is fixed below the mounting seat 1.
The upper end of the wheel connecting rod 5 is hinged with the mounting seat 1, the lower end of the wheel connecting rod 5 is hinged with the wheel shaft 7, a containing groove 31 for containing the wheel connecting rod 5 is arranged in the stopping component 3, the containing groove 31 is provided with a stopping surface 311, a left side surface 312 and a right side surface 313, a self-locking angle alpha is formed between the stopping surface 311 and the vertical direction, the hydraulic cylinder 6 is obliquely arranged below the mounting seat 1, the upper end of the hydraulic cylinder is hinged with the mounting seat 1, and the lower end of the hydraulic cylinder is sleeved on the wheel shaft 7.
Referring to fig. 4 to 7, fig. 4 is a perspective view of an axial side of the stop member, fig. 5 is a perspective view of an axial side of the stop member mounted with the clamping groove member, fig. 6 is a schematic view of a structure in which a limiting protrusion is provided on a side surface of the clamping groove member, and fig. 7 is a schematic view of a structure of the wheel link.
The inside of the accommodation groove 31 is provided with a catching groove part 4 located at one side of the wheel link 5, a guide post 314 is provided between a left side surface 312 and a right side surface 313 of the accommodation groove 31, the catching groove part 4 is provided with a guide hole 41 and slidably fits with the guide post 314 through the guide hole 41 so as to be movable in the left-right direction, a spring (not shown in the drawing) is provided between the catching groove part 4 and the side surface of the accommodation groove 31, which is movable laterally in the direction of the compression spring when pressed, and is reset under the action of the spring when not pressed, that is, if the spring is mounted on the left side of the catching groove part 4, the catching groove part 4 is abutted against the right side surface 313 of the accommodation groove 31 in a free state and is movable to the left side, and if the spring is mounted on the right side of the catching groove part 4, the catching groove part 4 is abutted against the left side surface 312 of the accommodation groove 31 in a free state and is movable to the right side.
The side of draw-in groove part 4 (left side in the drawing) is equipped with spacing protruding 42, this spacing protruding 42 has first spacing inclined plane 421 and second spacing inclined plane 422, first spacing inclined plane 421 is greater than second spacing inclined plane 422 for vertical gradient for the gradient of vertical, contained angle between the two is the acute angle, in other words, second spacing inclined plane 422 is more close to vertical direction, in order to prevent effectively that wheel connecting rod 5 from backing off through vertical spacing, first spacing inclined plane 421 then deviates from vertical direction more, in order to prevent that wheel 2 from falling under the action of gravity through the slant support, and the slope of first spacing inclined plane 421 is comparatively steep, the slope of second spacing inclined plane 422 is comparatively mild, through the differential design of slope, rescue wheel mechanism can make to switch smoothly between standby state and operating condition.
The side of wheel connecting rod 5 is equipped with the spacing inclined plane 51 of third, and the lower extreme of pneumatic cylinder 6 is equipped with the pin 8 that upwards extends, and the side of pin 8 is equipped with the spacing inclined plane of fourth 81, and simultaneously, the side of pin 8 is equipped with the spacing inclined plane of fifth 82 in the symmetrical position with the spacing inclined plane of fourth 81, carries out the transition through the circular arc face between this spacing inclined plane of fifth 82 and the spacing inclined plane of fourth 81.
The clamping groove part 4 is contacted and matched with the wheel connecting rod 5 and the stop lever 8 at the lower part of the hydraulic cylinder 6 through the limiting bulge 42, thereby realizing the self-locking function in the standby state and the working state.
Specifically, the self-locking angle between the stop surface 311 and the vertical direction may be designed to be 2 ° to 10 °, for example, 4 °,6 °,8 ° or 9 °, so as to ensure that an included angle is formed between the wheel link 5 and the vertical direction after the wheel link 5 rotates to the working position and abuts against the stop surface 311, thereby self-locking the wheel 2 under the action of self weight.
In the present embodiment, the mounting hole 61 at the lower end of the hydraulic cylinder 6 is formed in an oblong shape, and is fitted around the wheel axles 7 of the two wheels 2 through the mounting hole 61. In this way, in the process of switching from the standby state to the working state, the hydraulic cylinder 6 can drive the stop lever 8 to approach the wheel connecting rod 5, then drive the wheel connecting rod 5 and the stop lever 8 to move together, otherwise, in the process of switching from the working state to the standby state, the hydraulic cylinder 6 can drive the stop lever 8 to be far away from the wheel connecting rod 5, then drive the wheel connecting rod 5 and the stop lever 8 to move together, so that the movement of the wheel connecting rod 5 and the stop lever 8 has the characteristics of asynchronous and synchronous movement, and is more beneficial to driving and switching.
In other embodiments, two sets of maglev train rescue wheel mechanisms may also be symmetrically mounted (see fig. 8), with the structures being in mirror symmetry about the center of symmetry. According to different advancing directions of the magnetic levitation train, one set of magnetic levitation train rescue wheel mechanism can be selectively used, namely, one set of magnetic levitation train rescue wheel mechanism which can be self-locked in the advancing directions. Of course, two sets of magnetic levitation train rescue wheel mechanisms can be used simultaneously.
Referring to fig. 9, fig. 9 is a schematic diagram illustrating a process of switching the rescue wheel mechanism of the maglev train shown in fig. 1 from a standby state to an operating state.
In the standby state, the hydraulic cylinder 6 is retracted to the shortest state, the wheel link 5 contacts the first limiting slope 421 of the limiting boss 42 through the third limiting slope 51 thereof, the weight of the entire wheel 2 is borne by the first limiting slope 421 of the limiting boss 42 and is further transferred to the lateral springs, and at this time, the weights of the wheel 2 and the wheel link 5 are insufficient to compress the springs, so that the weight moment of the wheel 2 is balanced with the stopping resistance moment of the limiting boss 42, and the wheel 2 is reliably maintained at a high position.
When the hydraulic cylinder 6 is gradually extended, the mounting hole 61 at the lower end is a slotted hole, so that the wheel link 5 does not move during the stroke, and only the stop lever 8 at the lower end of the hydraulic cylinder 6 moves in a direction approaching the wheel link 5.
After the stroke is finished, the hydraulic cylinder 6 starts to drive the wheel connecting rod 5 and the stop lever 8 to move together, so that the third limiting inclined surface 51 on the wheel connecting rod 5 extrudes the first limiting inclined surface 421 of the limiting boss 42, and then pressure is transmitted to the spring on the side surface, the spring is compressed and deformed, and the clamping groove part 4 moves to one side of the spring. In this way, the wheel link 5 can move over the limit projection 42 to the other side of the limit projection 42, and at the same time, the height of the wheel 2 is gradually reduced.
Along with the further extension of the hydraulic cylinder 6, the stop lever 8 also passes over the limiting protrusion 42 and moves to the other side of the limiting protrusion 42, and in the process, the stop lever 8 contacts with the limiting protrusion 42 through a fifth limiting inclined plane 82 on the side surface of the stop lever 8 so as to avoid the phenomenon of blocking.
When the wheel link 5 contacts the stop surface 311, the hydraulic cylinder 6 stops extending, and at this time, the fourth limit inclined surface 81 of the stop lever 8 contacts the second limit inclined surface 422 of the limit projection 42, the wheel 2 descends to the lowest position, and the mechanism is in an operating state.
If the operation of retracting the hydraulic cylinder 6 is performed, the switching from the operating state to the standby state can be completed.
The above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and on the basis of these, specific adjustments may be made according to actual needs, thereby obtaining different embodiments. For example, the stopper member 3 is designed in other shapes, or the shape of the stopper projection 42 is adjusted, or the like. This is not illustrated here, as there are many possible implementations.
According to the technical scheme, under the analysis rescue working condition, the load form born by the rescue wheel mechanism is used for designing the rescue wheel mechanism, and aiming at the space requirement of the existing suspension frame, the installation of the rescue mechanism and the reliable work of the mechanism under the rescue working condition are realized in a small space, and the device has the following advantages:
1) The structure is simple and reliable, the parts designed in the mechanism have no fine structure, and the mechanism can ensure enough structural strength.
2) The double self-locking design is adopted, namely when the rescue wheel is put down to work, the inclination angle design of the stop surface 311 enables the stop gravity to be self-locking, and meanwhile, the loop is locked by the limit protrusions 42 through the bouncing of the clamping groove part 4, so that the safety and the reliability in the working process are completely ensured.
3) The control is simple-the hydraulic cylinder 6 does not need redundant control, only the hydraulic cylinder 6 needs to be ensured to perform normal pushing and pulling actions, locking and unlocking are completed through a mechanical structure, the control pressure is reduced, and the stability is improved.
4) The hydraulic cylinder is not required to continuously work, the hydraulic cylinder 6 is not required to maintain pressure in the working state and the standby state, and the control cost and the maintenance cost are greatly reduced.
5) The symmetrical inward installation can be adopted, namely the wheel connecting rod of the single mechanism has a small inclination angle with the vertical direction, and the symmetrical installation can be adopted.
Besides the rescue wheel mechanism of the maglev train, the invention also provides a maglev train which comprises a train body and a suspension frame arranged at the bottom of the train body, wherein the rescue wheel mechanism is arranged on a beam of the suspension frame, the rescue wheel mechanism is the rescue wheel mechanism of the maglev train, and the rest structure of the maglev train is referred to the prior art and is not repeated herein.
The rescue wheel mechanism of the magnetic levitation train and the magnetic levitation train provided by the invention are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the invention. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
1. The magnetic levitation train rescue wheel mechanism is characterized by comprising a mounting seat (1), a hydraulic cylinder (6), a wheel connecting rod (5), two wheels (2) coaxially arranged and a stopping part (3) positioned between the two wheels, wherein the stopping part (3) is fixed below the mounting seat (1), the stopping part (3) is provided with a containing groove (31) for containing the wheel connecting rod (5), the containing groove (31) is provided with a stopping surface (311), a left side surface (312) and a right side surface (313), a self-locking angle alpha is formed between the stopping surface (311) and the vertical direction, the upper end of the wheel connecting rod (5) is hinged with the mounting seat (1), the lower end of the wheel connecting rod (5) is hinged with a wheel shaft (7), the hydraulic cylinder (6) is obliquely arranged, the upper end of the hydraulic cylinder is hinged with the mounting seat (1), the lower end of the hydraulic cylinder is sleeved on the shaft (7), the containing groove (31) is internally provided with a clamping groove (4) positioned at one side of the wheel connecting rod (5), a limiting groove (42) is arranged between the clamping groove (4) and the second side surface (42) of the limiting groove (42) and the limiting groove (42) can be laterally limited by a limiting groove (42), the side surface of the wheel connecting rod (5) is provided with a third limiting inclined surface (51), the lower end of the hydraulic cylinder (6) is provided with a stop lever (8) extending upwards, and the stop lever (8) is provided with a fourth limiting inclined surface (81);
In the standby state, the hydraulic cylinder (6) is shortened, the wheel connecting rod (5) is matched with the first limiting inclined plane (421) of the limiting bulge (42) through the third limiting inclined plane (51), in the working state, the hydraulic cylinder (6) is lengthened, the wheel connecting rod (5) is supported on the stop surface (311) of the accommodating groove (31), and meanwhile, the stop lever (8) is matched with the second limiting inclined plane (422) of the limiting bulge (42) through the fourth limiting inclined plane (81);
In the process of switching from the standby state to the working state, the wheel connecting rod (5) enables the clamping groove component (4) to move laterally in the direction of the compression spring through the relative movement of the third limiting inclined surface (51) and the first limiting inclined surface (421) of the limiting bulge (42).
2. The maglev train rescue wheel mechanism of claim 1, wherein the self-locking angle between the stop surface (311) and the vertical direction is 2-10 °.
3. The maglev train rescue wheel mechanism of claim 1, wherein the stop lever (8) is provided with a fifth limiting inclined plane (82), and the fifth limiting inclined plane (82) and the fourth limiting inclined plane (81) are in smooth transition.
4. The maglev train rescue wheel mechanism of claim 1, wherein the first limiting ramp (421) has a greater inclination relative to the vertical than the second limiting ramp (422) and an acute angle is formed between the first limiting ramp and the second limiting ramp.
5. The maglev train rescue wheel mechanism of claim 1, wherein the lower end of the hydraulic cylinder (6) is provided with a mounting hole (61) with an oblong hole, and the hydraulic cylinder is sleeved on the wheel shafts (7) of the two wheels (2) through the mounting hole (61).
6. The rescue wheel mechanism of a maglev train according to claim 1, characterized in that a guide post (314) is provided between the left side surface and the right side surface of the accommodation groove (31), and the clamping groove member (4) is provided with a guide hole (41) and slidably cooperates with the guide post (314) through the guide hole (41) to move in the left-right direction.
7. Maglev train rescue wheel mechanism according to any one of claims 1-6, characterized in that the lateral projection of the stop member (3) is inverted triangle.
8. The maglev train rescue wheel mechanism of claim 7, wherein two of the maglev train rescue wheel mechanisms are symmetrically mounted.
9. The magnetic levitation train comprises a train body and a levitation frame arranged at the bottom of the train body, wherein a rescue wheel mechanism is arranged on a cross beam of the levitation frame, and the magnetic levitation train is characterized in that the rescue wheel mechanism is as set forth in any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211247693.5A CN115465015B (en) | 2022-10-12 | 2022-10-12 | Maglev train rescue wheel mechanism and maglev train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211247693.5A CN115465015B (en) | 2022-10-12 | 2022-10-12 | Maglev train rescue wheel mechanism and maglev train |
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| CN116198256A (en) * | 2023-03-07 | 2023-06-02 | 中车青岛四方机车车辆股份有限公司 | Rescue wheel device of magnetic levitation train and magnetic levitation train |
| CN116588164B (en) * | 2023-03-07 | 2025-11-25 | 中车青岛四方机车车辆股份有限公司 | A magnetic levitation train rescue system and rescue method |
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| US6419319B1 (en) * | 1998-10-23 | 2002-07-16 | Sakurai Hardware Co. | Wheel device and chair equipped with same |
| US10245192B2 (en) * | 2016-04-13 | 2019-04-02 | Bobby Allan Burkeen | Extendable and retractable gurney |
| CN209351179U (en) * | 2018-09-20 | 2019-09-06 | 佛山市艾百乐科技有限公司 | A kind of portable telescopic castor |
| CN112356872B (en) * | 2020-12-23 | 2024-12-17 | 中铁第四勘察设计院集团有限公司 | Emergency wheel structure of high-speed magnetic levitation vehicle |
| CN114655022A (en) * | 2020-12-23 | 2022-06-24 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Support device suitable for high-speed magnetic suspension train and magnetic suspension train |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016160A (en) * | 2012-12-31 | 2013-04-03 | 东风汽车股份有限公司 | Idle lift valve with telescopic self-locking mechanism |
| CN111806501A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Unlocking mechanism for gauge wheelset, gauge wheelset and ground track change facility |
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| CN115465015A (en) | 2022-12-13 |
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