CN114504447B

CN114504447B - Air suspension transfer device and air suspension method

Info

Publication number: CN114504447B
Application number: CN202210104590.7A
Authority: CN
Inventors: 曾志文
Original assignee: Klarity Medical & Equipment Gz Co ltd
Current assignee: Klarity Medical & Equipment Gz Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-10-21
Anticipated expiration: 2042-01-28
Also published as: CN114504447A

Abstract

The invention provides an air suspension transfer device and an air suspension method, wherein the air suspension transfer device comprises an air suspension mechanism, the air suspension mechanism comprises a suspension body, the suspension body is arranged on an external working platform, one side of the suspension body, which is close to the external working platform, is provided with a plurality of air bags, one side of the air bags, which is close to the external working platform, is provided with a plurality of air outlet holes, the air bags are communicated with an inflating device through an air path, and the inflating device in the air suspension mechanism is started to inflate the air bags in the suspension body; the air flow introduced by the air charging device is sprayed out from the air outlet hole, so that a layer of air film is formed between the suspension body and a platform where a patient to be transferred is positioned; the suspension body is separated from the external working platform, and the patient to be transferred on the suspension body is transferred, so that the technical problem that the patient is inconvenient to operate when transferred between the transfer trolley and the treatment platform in the prior art is solved.

Description

Gas suspension transfer device and gas suspension method

Technical Field

The invention relates to the technical field of nursing equipment, in particular to an air suspension transfer device and an air suspension method.

Background

The existing patient transfer trolley with single function in a hospital can only transfer a patient from one place to another place, but the patient also needs to move from the transfer trolley to a treatment platform, so that the patient can only move or get down and then go up by the patient, but when the patient is subjected to an operation or has inconvenient actions, the patient is inconvenient to transfer between the transfer trolley and the treatment platform.

Disclosure of Invention

The invention provides an air suspension transfer device and an air suspension method, which are used for solving the technical problem that a patient is inconvenient to transfer between a transfer trolley and a treatment platform.

In order to solve the technical problem, the invention discloses an air suspension transfer device, which comprises an air suspension mechanism, wherein the air suspension mechanism comprises a suspension body, the suspension body is arranged on an external working platform, one side of the suspension body, which is close to the external working platform, is provided with a plurality of air bags, one side of the air bags, which is close to the external working platform, is provided with a plurality of air outlet holes, and the air bags are communicated with an inflating device through air passages.

Preferably, outside work platform includes transfer table and treatment platform, all set up the suspension body on transfer table and the treatment platform, the transfer table passes through coupling mechanism and base fixed connection, the lower extreme circumference equipartition of base is equipped with a plurality of moving mechanism.

Preferably, the connecting mechanism comprises two connecting columns, and the two connecting columns are arranged on the left side and the right side of the upper end of the base.

Preferably, the number of the plurality of moving mechanisms is four, the moving mechanisms are wheels, and the four wheels are respectively arranged at the top corners of the lower end of the base.

Preferably, the air path comprises a built-in air path and an air inlet, the built-in air path is communicated with the air inlet, the air inlet is arranged at one end, away from the air bag, of the suspension body, the air inlet is communicated with an inflating device through a connecting air path, and the inflating device is arranged at the upper end of the base.

Preferably, the inside of suspension body is equipped with the working chamber, the inside of working chamber is equipped with a plurality of air chambers, a plurality of air chambers with a plurality of gasbag one-to-one correspondence intercommunication, a plurality of air chambers are through built-in gas circuit intercommunication, and through the inlet port intercommunication between built-in gas circuit and the air chamber.

Preferably, the inflation device is a small low-pressure air pump.

Preferably, the lower extreme of spliced pole with the upper end fixed connection of base, the inside elevating system that is equipped with of spliced pole, elevating system includes:

the upper end of the connecting column is provided with a working groove, and a first fixing plate is arranged in the working groove;

the motor is fixedly arranged at the bottom of the working groove, and is fixedly connected with a motor shaft, the motor shaft penetrates through the first fixing plate and is fixedly connected with the first thread block, and the first thread block is in threaded connection with the first thread sleeve;

the fixed ends of the two telescopic rods are symmetrically arranged on the left side and the right side of the upper end of the first fixed plate, the telescopic ends of the telescopic rods are connected with sliding plates, and the sliding plates are slidably arranged between the first threaded sleeve and the side wall of the working groove;

the two fixing plates II are symmetrically arranged on the left side and the right side of the upper end of the first threaded sleeve, the fixing plates II are rotatably connected with one rotating shaft, a threaded rod is fixedly connected between the rotating shafts on the left side and the right side, the threaded rod is in threaded connection with the second threaded sleeve, and one end, far away from the threaded rod, of the first rotating shaft is in sliding connection with the side wall of the working groove;

the first gears are fixedly connected with the rotating shafts on the left side and the right side respectively, the first gears are meshed with the first racks, and the first racks are fixedly connected with the sliding plate;

the first grooves are symmetrically arranged at the left end and the right end of the first threaded sleeve, and are uniformly distributed along the vertical direction;

the two second grooves are respectively formed in one ends, close to the first threaded sleeve, of the sliding plates on the left side and the right side, an electromagnetic block and a first spring are fixedly arranged inside the second grooves, the first spring is fixedly connected with a magnetic block, and the magnetic block is slidably connected with the second grooves;

the upper end of the mounting plate is fixedly connected with the lower end of the transfer platform, sliding blocks are symmetrically arranged on the left side and the right side of the lower end of the mounting plate, the sliding blocks are rotationally connected with a first supporting hinge rod, the first supporting hinge rod is rotationally connected with a second connecting block, and the second connecting blocks on the left side and the right side are respectively in sliding connection with the left end and the right end of the working groove;

the two third fixing plates are symmetrically arranged at the left end and the right end of the working groove, the third fixing plates are fixedly connected with a second spring, and the second spring is fixedly connected with the first hinged rod;

the first connecting block, the first sliding cavity of the first connecting block inside slides and is equipped with the second sliding block, and the second sliding block and the first sliding cavity between fixed being equipped with the third spring, the second sliding block and the first sliding block fixed connection, the first sliding block run through the first lower extreme of sliding cavity with the second thread bush fixed connection, the upper end left and right sides of the first connecting block rotates and is connected with a hinge rod two, a hinge rod two with a hinge rod rotates and is connected.

Preferably, the moving mechanism is connected with a stable moving device, and the stable moving device comprises:

the mounting seat is rotationally connected with the moving mechanism and is provided with an opening cavity in a vertical through manner;

the inner part of the stabilizing shell is provided with a stabilizing cavity, the lower end of the stabilizing cavity is communicated with an opening, the opening is in sliding connection with the mounting seat, and the upper end of the stabilizing shell is fixedly connected with the lower end of the base;

the first guide block is fixedly arranged at the right end of the stable cavity, a first guide groove is formed in the left end of the first guide block, the first guide groove is in sliding connection with a second connecting block, a fourth spring is fixedly arranged between the first guide groove and the second connecting block, and the upper end and the lower end of the second connecting block are provided with the first guide cavity in a penetrating mode;

the connecting shaft is rotatably arranged between the left end and the right end of the front side of the first guide cavity, and a second gear and a cam are fixedly connected with the connecting shaft;

the first stabilizing block is arranged between the left end and the right end of the rear side of the first guide cavity in a sliding mode along the vertical direction, a rack II is fixedly arranged on the left side of the front end of the first stabilizing block, the rack II is meshed with the gear II, a limiting hole is fixedly arranged on the right side of the front end of the first stabilizing block, and the limiting hole is matched with the cam;

the inclined end of the second stabilizing block is connected with the inclined end of the first stabilizing block in a sliding mode, one side, far away from the inclined end, of the second stabilizing block is connected with the upper end of the stabilizing cavity in a sliding mode, and a spring V is fixedly arranged between the second stabilizing block and the side wall of the stabilizing cavity;

the upper end of the fixing block is fixedly connected with the upper end of the stabilizing cavity, the lower end of the fixing block is provided with a guide cavity II, a sliding block III is arranged in the guide cavity II in a sliding mode, a spring VI is fixedly arranged between the sliding block III and the guide cavity II, the sliding block III is fixedly connected with the sliding block IV, and the sliding block IV penetrates through the lower end of the guide cavity II and is fixedly connected with the mounting seat;

the left end of the second guide block is fixedly connected with the right end of the fixed block, the right end of the second guide block is provided with a second guide groove, the second guide groove is slidably connected with the third guide block, a seventh spring is fixedly arranged between the second guide groove and the third guide block, and the third guide block is in contact with the first stabilizing block;

the supporting block is fixedly arranged at the left end of the stabilizing shell and is rotationally connected with the control plate, a third guide groove is formed in the control plate, and the third guide groove is in sliding connection with the first guide shaft;

the right end of the connecting block III is fixedly connected with the connecting block II, the left part of the connecting block III penetrates through the left end of the stable cavity and is fixedly connected with the guide shaft I, the middle part of the connecting block III is provided with a guide groove IV, the guide groove IV is fixedly connected with the guide shaft II, and the guide shaft II is fixedly connected with the fixed block;

the stop block is matched with the opening cavity, one end, close to the opening cavity, of the stop block is the same as the moving mechanism, a connecting rod is fixedly connected to one end, far away from the opening cavity, of the stop block, the connecting rod penetrates through a communicating hole formed in the third connecting block and the lower end of the second guide block, and the connecting rod enters the second guide groove and is connected with the third guide block in a sliding mode.

Preferably, the air suspension method of the air suspension transfer device comprises the following steps:

step 1: starting an inflating device in the air suspension mechanism to inflate an air bag in the suspension body;

step 2: the air flow guided by the air charging device is sprayed out from the air outlet hole, so that a layer of air film is formed on the suspension body and the external working platform part where the patient to be transferred is positioned;

and step 3: separating the suspension body from the external working platform part where the patient to be transferred is positioned, and transferring the patient to be transferred on the suspension body.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the suspension body of the present invention;

FIG. 3 is a schematic structural diagram of the lifting mechanism of the present invention;

FIG. 4 is a schematic structural diagram of a mobile device according to the present invention;

fig. 5 is a schematic top view of the second connecting block of the present invention.

In the figure: 1. a base; 2. a treatment table; 3. a transfer table; 4. an air suspension mechanism; 401. a suspension body; 402. an air inlet; 403. an air chamber; 404. a gas circuit; 405. a working chamber; 406. an air inlet; 407. an air bag; 5. a moving mechanism; 501. a mounting seat; 502. a stabilizing shell; 503. a stability chamber; 504. a first guide block; 5041. a first guide groove; 505. a support block; 506. a first guide shaft; 507. connecting blocks III; 5071. a fourth guide groove; 508. a second guide shaft; 509. a fixed block; 5091. a second guide cavity; 510. a second guide block; 5101. a second guide groove; 511. a seventh spring; 512. a third guide block; 513. a second stabilizing block; 514. a fifth spring; 515. a fourth spring; 516. a second connecting block; 5161. a first guide cavity; 517. a first stabilizing block; 518. a second rack; 519. a connecting shaft; 520. a second gear; 521. a cam; 522. a communicating hole; 523. a connecting rod; 524. stopping the block; 525. a sixth spring; 526. a third sliding block; 527. a fourth sliding block; 6. an inflator; 7. a lifting mechanism; 7. connecting columns; 701. mounting a plate; 702. a working groove; 703. a first fixing plate; 704. a telescopic rod; 705. a motor; 706. a motor shaft; 707. a thread block; 708. sleeving a first thread; 7081. a first groove; 709. a sliding plate; 7091. a second groove; 710. an electromagnetic block; 711. a first spring; 712. a magnetic block; 713. a second fixing plate; 714. a first rotating shaft; 715. a first gear; 716. a first rack; 717. a threaded rod; 718. a second thread sleeve; 719. a first sliding block; 720. a second sliding block; 721. a third spring; 722. a first connecting block; 7221. a first sliding cavity; 723. a second supporting hinge rod; 724. a first supporting hinge rod; 725. a second connecting block; 726. a third fixing plate; 727. and a second spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

In addition, the descriptions related to "first", "second", etc. in the present invention are used for descriptive purposes only, do not specifically refer to an order or sequence, and do not limit the present invention, but merely distinguish components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1

The embodiment of the invention provides an air suspension transfer device, which comprises an air suspension mechanism 4, wherein the air suspension mechanism 4 comprises a suspension body 401, the suspension body 401 is arranged on an external working platform, one side of the suspension body 401, which is close to the external working platform, is provided with a plurality of air bags 407, one side of the air bags 407, which is close to the external working platform, is provided with a plurality of air outlets, and the air bags 407 are communicated with an inflating device 6 through air passages;

the external working platform comprises a transfer platform 3 and a treatment platform 2, wherein the transfer platform 3 and the treatment platform 2 are both provided with a suspension body 401, the transfer platform 3 is fixedly connected with a base 1 through a connecting mechanism, and a plurality of moving mechanisms 5 are uniformly distributed at the lower end of the base 1 in the circumferential direction;

the number of the plurality of moving mechanisms 5 is four, the moving mechanisms 5 are wheels, and the four wheels are respectively arranged at the vertex angle of the lower end of the base 1;

the connecting mechanism comprises two connecting columns 7, and the two connecting columns 7 are arranged on the left side and the right side of the upper end of the base 1;

the air path comprises a built-in air path 404 and an air inlet 402, the built-in air path 404 is communicated with the air inlet 402, the air inlet 402 is arranged at one end of the suspension body 401 far away from the air bag 407, the air inlet 402 is communicated with an inflating device 6 through a connecting air path, and the inflating device 6 is arranged at the upper end of the base 1;

a working cavity 405 is formed in the suspension body 401, a plurality of air chambers 403 are formed in the working cavity 405, the air chambers 403 are communicated with the air bags 407 in a one-to-one correspondence manner, the air chambers 403 are communicated through the built-in air passage 404, and the built-in air passage 404 is communicated with the air chambers 403 through air inlets 406;

the floating body 401 may have a plate-shaped structure;

the inflating device 6 is a small low-voltage low-pressure air pump;

an air suspension method of an air suspension transfer device comprises the following steps:

step 1: starting an inflating device in the air suspension mechanism 4 to inflate an air bag 407 in the suspension body 401;

step 2: the air flow guided by the air charging device is sprayed out from the air outlet hole, so that a layer of air film is formed on the suspension body 401 and the external working platform part where the patient to be transferred is positioned;

and step 3: the patient to be transferred on the floating body 401 is transferred by separating the floating body 401 from the external work platform portion where the patient to be transferred is located.

The beneficial effects of the above technical scheme are:

a transfer trolley is formed by a transfer table 3, a connecting mechanism and a moving mechanism 5, when the air suspension transfer device is used, the transfer table 3 is moved to a position corresponding to a treatment table 2 through the moving mechanism 5, then the height of the transfer table 3 is adjusted to keep the height of the transfer table 3 and the height of the treatment table 2 at the same horizontal plane, then an air suspension mechanism 4 on a working platform (the transfer table 3 or the treatment table 2) where a patient to be transferred is located is started to work, an inflating device 6 in the air suspension mechanism 4 is started, the inflating device 6 adopts a small low-pressure air pump, an industrial air compressor which avoids the danger caused by high voltage and needs ultrahigh power due to high pressure is avoided, the industrial air compressor is extremely difficult to be applied to a medical scene, the inflating device 6 inflates an air bag 407 in a suspension body 401 (the front structure diagram, the inner structure diagram and the back structure diagram of the suspension body 401 are respectively from top to bottom in figure 2), an air bag is formed by the air bag 407 and an air chamber 403 in the suspension body 401, the air bag is inflated and floats, a plurality of air outlets are distributed on the air bag, air flow guided by an inflating device is ejected from the air outlets, so that the suspension body 401 and an external working platform in the suspension mechanism 4 form an air film, the suspension body 401 is in an air suspension state, and is separated from the external working platform through the suspension body 401 in the suspension mechanism 4, thereby facilitating medical personnel to easily transfer a patient from the treatment table 2 to the transfer table 3 or from the transfer table 3 to the treatment table 2.

Example 2

On the basis of embodiment 1, as shown in fig. 3, the lower end of the connecting column 7 is fixedly connected with the upper end of the base 1, and a lifting mechanism is arranged inside the connecting column 7, and the lifting mechanism includes:

a working groove 702 is formed in the upper end of the connecting column 7, and a first fixing plate 703 is arranged inside the working groove 702;

the motor 705 is fixedly arranged at the bottom of the working groove 702, the motor 705 is fixedly connected with a motor shaft 706, the motor shaft 706 penetrates through the first fixing plate 703 and is fixedly connected with a first thread block 707, and the first thread block 707 is in threaded connection with a first thread sleeve 708;

the fixed ends of the two telescopic rods 704 are symmetrically arranged on the left side and the right side of the upper end of the first fixed plate 703, the telescopic ends of the telescopic rods 704 are connected with sliding plates 709, and the sliding plates 709 are slidably arranged between the first threaded sleeve 708 and the side wall of the working groove 702;

the two fixing plates 713 are symmetrically arranged on the left side and the right side of the upper end of the first threaded sleeve 708, the fixing plates 713 are rotatably connected with the first rotating shafts 714, threaded rods 717 are fixedly connected between the first rotating shafts 714 on the left side and the right side, the threaded rods 717 are in threaded connection with the second threaded sleeve 718, and one ends, far away from the threaded rods 717, of the first rotating shafts 714 are in sliding connection with the side wall of the working groove 702;

the two first gears 715, the two first gears 715 are respectively and fixedly connected with the rotating shafts 714 on the left and right sides, the first gears 715 are meshed with the first racks 716, and the first racks 716 are fixedly connected with the sliding plate 709;

the first grooves 7081 are symmetrically formed in the left end and the right end of the first threaded sleeve 708, and the first grooves 7081 are uniformly distributed in the vertical direction;

the two second grooves 7091 are respectively arranged at one ends, close to the first threaded sleeve 708, of the sliding plates 709 at the left side and the right side, an electromagnetic block 710 and a first spring 711 are fixedly arranged inside the second grooves 7091, the first spring 711 is fixedly connected with a magnetic block 712, and the magnetic block 712 is slidably connected with the second grooves 7091;

the upper end of the mounting plate 701 is fixedly connected with the lower end of the transfer platform 3, sliders are symmetrically arranged on the left side and the right side of the lower end of the mounting plate 701, the sliders are rotatably connected with a first supporting hinge rod 724, the first supporting hinge rod 724 is rotatably connected with a second connecting block 725, and the second connecting blocks 725 on the left side and the right side are respectively in sliding connection with the left end and the right end of the working groove 702;

the two third fixing plates 726 are symmetrically arranged at the left end and the right end of the working groove 702, the third fixing plates 726 are fixedly connected with a second spring 727, and the second spring 727 is fixedly connected with the first supporting hinge rod 724;

the connecting block I722 is characterized in that a sliding cavity I7221 in the connecting block I722 is provided with a sliding block II 720 in a sliding manner, a spring III 721 is fixedly arranged between the sliding block II 720 and the sliding cavity I7221, the sliding block II 720 is fixedly connected with the sliding block I719, the sliding block I719 penetrates through the lower end of the sliding cavity I7221 and is fixedly connected with a threaded sleeve II 718, the left side and the right side of the upper end of the connecting block I722 are rotatably connected with a hinge rod II 723, and the hinge rod II 723 is rotatably connected with the hinge rod I724.

The beneficial effects of the above technical scheme are:

when the height of the lifting mechanism is adjusted, firstly, the electromagnetic block 710 is electrified, so that the electromagnetic block 710 and the magnetic block 712 are mutually repelled, the magnetic block 712 enters the first groove 7081, the motor 705 is started, the motor shaft 706 is driven to rotate, the screw block 707 drives the first screw sleeve 708 to move up and down, the first screw sleeve 708 drives the first rotating shaft 714 to move up and down through the second fixing plate 713, the sliding plate 709 is driven to move up and down through the magnetic block 712, the telescopic rod 704 at the lower end of the sliding plate 709 guides the movement of the sliding plate 709, the first rotating shaft 714 slides up and down along the side end of the working groove 702, the first rotating shaft 714 drives the second screw sleeve 718 to move up and down through the threaded rod 717, the second screw sleeve 718 drives the first connecting block 722 to move up and down through the matching of the second sliding block 720 and the third spring 721, the first connecting block drives the second hinge rod 723 to rotate, the second hinge rod 723 to push the first hinge rod 724 to rotate, the first hinge rod 724 drives the mounting plate 701 to move up and down through the sliding block 701, so as to drive the transfer platform 3 to move up and down, so that the suspension body 401 on the transfer platform 2 on the transfer platform 3 to be horizontal, and be convenient for transferring a suspension object to be transferred on the transfer to be transferred to the transfer platform 4;

after the mounting plate 701 moves up and down to a target position, the electromagnetic block 710 is powered off, the magnetic block 712 is pulled to be separated from the first groove 7081 under the elastic action of the first spring 711 and enters the second groove 7091, then the telescopic rod 704 continuously stretches and retracts to drive the sliding plate 709 to move up and down, the sliding plate 709 drives the first rack 716 to move up and down and drives the first gear 715 to rotate, the first gear 715 drives the first rotating shaft 714 to rotate, so that the threaded rod 717 is driven to rotate, the threaded rod 717 rotates to drive the second threaded sleeve 718 to move left and right, the second threaded sleeve 718 drives the first connecting block 722 to move left and right through the first sliding block 719, the second hinge rod 723 at the left side and the right side can rotate at different angles, so that the first hinge rod 724 rotates at different angles, the purpose of adjusting the inclination angle of the mounting plate 701 is achieved, the inclination angle of the transfer table 3 is adjusted, and the air suspension mechanism 4 arranged on the transfer table 3 can transfer the transfer table 3 to transfer objects conveniently.

Example 3

On the basis of embodiment 1, as shown in fig. 4 to 5, a stable moving device is connected to the moving mechanism 5, and the stable moving device includes:

the mounting seat 501 is rotatably connected with the moving mechanism 5, and an opening cavity 5011 is formed in the mounting seat 501 in a vertically penetrating mode;

a stabilizing cavity 503 is arranged inside the stabilizing shell 502, the lower end of the stabilizing cavity 503 is communicated with an opening, the opening is connected with the mounting seat 501 in a sliding manner, and the upper end of the stabilizing shell 502 is fixedly connected with the lower end of the base 1;

the first guide block 504 is fixedly arranged at the right end of the stabilizing cavity 503, a first guide groove 5041 is formed in the left end of the first guide block 504, the first guide groove 5041 is slidably connected with a second connecting block 516, a fourth spring 515 is fixedly arranged between the first guide groove 5041 and the second connecting block 516, and a first guide cavity 5161 is arranged at the upper end and the lower end of the second connecting block 516 in a penetrating manner;

the connecting shaft 519 is rotatably arranged between the left end and the right end of the front side of the first guide cavity 5161, and the second gear 520 and the cam 521 are fixedly connected to the connecting shaft 519;

the first stabilizing block 517 is arranged between the left end and the right end of the rear side of the first guide cavity 5161 in a vertically sliding manner, a second rack 518 is fixedly arranged on the left side of the front end of the first stabilizing block 517, the second rack 518 is meshed with the second gear 520, a limiting hole 5171 is fixedly arranged on the right side of the front end of the first stabilizing block 517, and the limiting hole 5171 is matched with the cam 521;

a second stabilizing block 513, wherein the inclined end of the second stabilizing block 513 is slidably connected with the inclined end of the first stabilizing block 517, one side of the second stabilizing block 513, which is far away from the inclined end, is slidably connected with the upper end of the stabilizing cavity 503, and a fifth spring 514 is fixedly arranged between the second stabilizing block 513 and the side wall of the stabilizing cavity 503;

the upper end of the fixed block 509 is fixedly connected with the upper end of the stable cavity 503, the lower end of the fixed block 509 is provided with a second guide cavity 5091, a third sliding block 526 is arranged inside the second guide cavity 5091 in a sliding manner, a sixth spring 525 is fixedly arranged between the third sliding block 526 and the second guide cavity 5091, the third sliding block 526 is fixedly connected with a fourth sliding block 527, and the fourth sliding block 527 penetrates through the lower end of the second guide cavity 5091 and is fixedly connected with the mounting seat 501;

the left end of the second guide block 510 is fixedly connected with the right end of the fixed block 509, a second guide groove 5101 is formed in the right end of the second guide block 510, the second guide groove 5101 is in sliding connection with a third guide block 512, a spring seven 511 is fixedly arranged between the second guide groove 5101 and the third guide block 512, and the third guide block 512 is in contact with the first stabilizing block 517;

the supporting block 505 is fixedly arranged at the left end of the stabilizing shell 502, the supporting block 505 is rotatably connected with the control plate 504, a third guide groove 5041 is formed in the control plate 504, and the third guide groove 5041 is slidably connected with a first guide shaft 506;

the right end of the third connecting block 507 is fixedly connected with the second connecting block 516, the left part of the third connecting block 507 penetrates through the left end of the stabilizing cavity 503 and is fixedly connected with the first guide shaft 506, the middle part of the third connecting block 507 is provided with a fourth guide groove 5071, the fourth guide groove 5071 is fixedly connected with the second guide shaft 508, and the second guide shaft 508 is fixedly connected with the fixed block 509;

the stop block 524 is matched with the open cavity 5011, one end, close to the open cavity 5011, of the stop block 524 is the same as the moving mechanism 5, a connecting rod 523 is fixedly connected to one end, far away from the open cavity 5011, of the stop block 524, the connecting rod 523 penetrates through a communication hole 522 formed in the connecting block III 507 and the lower end of the guide block II 510, and the connecting rod 523 enters the guide groove II 5101 to be in sliding connection with the guide block III 512.

The beneficial effects of the above technical scheme are:

when the base 1 moves, the stabilizing shell 502 is driven to move, so that the wheel 5 is driven to roll, when the road condition of the wheel 5 running is not good, the wheel 5 moves upwards when contacting with a bump, the wheel 5 drives the mounting seat 501 to move upwards, the first stabilizing block 517 and the fourth sliding block 527 can be pushed to move upwards, the first stabilizing block 517 pushes the second stabilizing block 513 to slide along the upper end of the stabilizing cavity 503, the upward movement of the wheel 5 has a buffering effect through the fifth spring 514 and the sixth spring 525, and the upward movement of the mounting seat 501 is guided through the sliding fit of the third sliding block 526 and the second guiding cavity 5091, and the sliding fit of the first guiding cavity 5161 and the first stabilizing block 517; the spring five 514 and the spring six 525 are always in a compressed state in an initial state, when the wheel 5 contacts a road pit, the mounting seat 501 is pushed to move downwards under the elastic action of the spring five 514 and the spring six 525, so that the wheel 5 is contacted with the road pit, the air suspension transfer device is ensured to always keep stable movement in the moving process, and the air suspension transfer device is prevented from shaking due to the influence of a road bump and the road pit and influencing the transfer of transferred objects on the air suspension transfer device; when the first stabilizing block 517 moves up and down, the second rack 518 on the first stabilizing block 517 moves up and down to drive the second gear 520 to rotate, so that the cam 521 is driven to rotate, and the cam 521 is matched with the limiting hole 5171 to play a limiting effect on the up and down movement of the first stabilizing block 517; after the air suspension transfer device stops moving;

the first guide block 504 is stepped on, the first guide block 504 rotates to drive the third connecting block 507 to move leftwards, the movement of the third connecting block 507 is guided by the cooperation of the fourth guide groove 5071 and the second guide shaft 508, the third connecting block 507 drives the second connecting block 516 to move leftwards, the movement of the second connecting block 516 is guided by the arrangement of the third guide groove 5041, the movement of the second connecting block 516 is kept stable under the action of the fourth spring 515, the second connecting block 516 drives the third guide block 512 to move leftwards, the second guide groove 5101 has a guiding effect on the movement of the third guide block 512, the third guide block 512 is kept stable under the action of the seventh spring 511, the third guide block 512 drives the connecting rod 523 to move downwards, so that the stop block 524 is driven to move downwards, the wheel 5 is kept fixed by the contact of the open cavity 5011 with the wheel 5, and the air suspension transfer device is prevented from moving in a fixed state.

Example 4

On the basis of the embodiment 1, the method further comprises the following steps:

a weighing sensor: the weighing sensor is arranged on the suspension body 401 and used for detecting the weight of the conveyed object on the suspension body 401;

a flow rate sensor: the flow rate sensor is arranged inside the air inlet hole 406 and used for detecting the air flow rate of the air inlet hole 406;

a temperature sensor: the temperature sensor is arranged on the base 1 and used for detecting the temperature of the working environment where the air suspension transfer device is located;

an alarm device: the alarm is arranged on the base 1;

a controller: the controller is electrically connected with the weighing sensor, the flow velocity sensor, the temperature sensor and the alarm;

the controller controls the alarm to work based on the weighing sensor, the flow velocity sensor and the temperature sensor, and the method comprises the following steps:

step 1: the controller calculates the theoretical loss amount of gas in the gas outlet process of the gas outlet hole on the air bag 407 according to the formula (1);

wherein,

is the theoretical loss amount of gas in the gas outlet process of the gas outlet holes on the air bag 407,

is the dynamic viscosity of the air and is,

the cross-sectional area of the air outlet hole of the balloon 407,

the opening rate of the air outlet hole on the air bag 407,

is the coefficient of contraction of the vent holes in the balloon 407,

the average pore diameter of the air outlet on the balloon 407;

and 2, step: the controller calculates theoretical loss of gas in the gas outlet process of the gas outlet hole on the air bag 407 according to the weight of conveyed objects on the suspension body 401 detected by the weighing sensor, the gas flow rate of the gas inlet hole 406 detected by the flow rate sensor, the temperature of the working environment of the gas suspension transfer device detected by the temperature sensor, the step 1 and a formula (2) to calculate a working stability coefficient of the gas suspension mechanism 4, compares the calculated working stability coefficient of the gas suspension mechanism 4 with a preset working stability coefficient, and controls the alarm to give an alarm if the calculated working stability coefficient of the gas suspension mechanism 4 is smaller than the preset working stability coefficient;

wherein,

is the work stability coefficient of the air suspension mechanism 4, V is the detection value of the flow velocity sensor,

the cross-sectional area of the intake hole 406,

in order to be the density of the air,

is a constant of the gas and is,

in order to detect the value of the temperature sensor,

is at the pressure of the atmosphere and is,

is the thickness of the air outlet hole on the air bag 407,

is a value detected by the load cell and,

is the gravity acceleration, and the value is 9.8

，

The number of the air bags 407 is,

taking the mass of the suspension body 401;

in the formula (1)

The shrinkage coefficient of the air outlet on the air bag 407 represents that the air hole changes under the external pressure and temperature, and the value range of the shrinkage coefficient is 0.6-0.8 along with the change rate of the external pressure and temperature;

the aperture ratio of the air outlet on the air bag 407 is the ratio of the total area of the side apertures of the air outlet of the air bag 407 to the total area of the side apertures of the air outlet of the air bag 407, and the value is 0.3-0.7;

is the permeability coefficient of the balloon 407, wherein

Get 6

，

Taking out the mixture of 0.7 percent,

calculated to give 13

，

In

Taking out the mixture of 0.6 percent,

take 17.9

，

Take 0.5

，

The calculation results in 1.71

；

The operation stability factor of the air suspension mechanism 4 in the formula (2) is the ratio of the pressure at the air outlet side of the air bag 407 to the air film pressure required when the suspension body 40 is in the suspension state, and if the pressure at the air outlet side of the air bag 407 is greater than the air film pressure required when the suspension body 40 is in the suspension state, the suspension body 40 can maintain the suspension state,

the air outlet quantity of the air outlet hole on the air bag 407,

get 8

，

Take 0.2

，

Get 1

，

Calculated to obtain 1598.29

，

Take 287.1

，

Taking 300K, taking n as 2,

taking out the mixture of the particles with the diameter of 0.2m,

is the pressure on the side of the air outlet hole of the air bag 407,

calculating to obtain-2015 Pa by taking 101325Pa, which represents that the pressure at the air outlet hole side of the air bag 407 is lower than the atmospheric pressure, no air film is formed at the moment, if the pressure is not lower than the atmospheric pressure

Get 9

，

The calculation results in 1798.29

，

The calculation results in that the pressure of 4041Pa,

taking 200Kg of the mixture,

1960Pa is calculated for the air film pressure required when the suspension body 40 is in the suspension state,

and (3) calculating to obtain 2.06, wherein the value of the preset work stability coefficient is larger than the preset work stability coefficient, the value range of the preset work stability coefficient is 1-1.2, the pressure at the air outlet side of the air bag 407 is larger than the air film pressure required by the suspension body 40 in the suspension state, and the alarm does not give an alarm.

The beneficial effects of the above technical scheme are:

a weighing sensor is arranged on the suspension body 401 and used for detecting the weight of the conveyed object on the suspension body 401; a flow rate sensor is arranged inside the air inlet hole 406 and used for detecting the air flow rate of the air inlet hole 406; arranging a temperature sensor on the base 1 and detecting the temperature of the working environment where the air suspension transfer device is located; the controller calculates the theoretical loss amount of gas in the gas outlet process of the gas outlet hole on the air bag 407 according to the formula (1); the controller calculates the work stability coefficient of the air suspension mechanism 4 according to the weight of the conveyed objects on the suspension body 401 detected by the weighing sensor, the gas flow rate of the air inlet 406 detected by the flow rate sensor, the temperature of the working environment where the air suspension transfer device is located detected by the temperature sensor and the formula (2), compares the calculated work stability coefficient of the air suspension mechanism 4 with a preset work stability coefficient, and controls the alarm to give an alarm to remind a user of increasing the air inlet flow of the air charging device 6 if the calculated work stability coefficient of the air suspension mechanism 4 is smaller than the preset work stability coefficient.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An air-suspension transfer device, comprising: the air suspension mechanism (4), the air suspension mechanism (4) comprises a suspension body (401), the suspension body (401) is arranged on an external working platform, one side, close to the external working platform, of the suspension body (401) is provided with a plurality of air bags (407), one side, close to the external working platform, of the air bags (407) is provided with a plurality of air outlets, and the air bags (407) are communicated with the inflating device (6) through air paths;

the external working platform comprises a transfer platform (3) and a treatment platform (2), wherein suspension bodies (401) are arranged on the transfer platform (3) and the treatment platform (2), the transfer platform (3) is fixedly connected with a base (1) through a connecting mechanism, and a plurality of moving mechanisms (5) are uniformly distributed at the lower end of the base (1) in the circumferential direction;

the connecting mechanism comprises two connecting columns (7), and the two connecting columns (7) are arranged on the left side and the right side of the upper end of the base (1);

the lower extreme of spliced pole (7) with the upper end fixed connection of base (1), spliced pole (7) inside is equipped with elevating system, elevating system includes:

a working groove (702) is formed in the upper end of the connecting column (7), and a first fixing plate (703) is arranged in the working groove (702);

the motor (705), the motor (705) is fixedly arranged at the bottom of the working groove (702), the motor (705) is fixedly connected with a motor shaft (706), the motor shaft (706) penetrates through the first fixing plate (703) and is fixedly connected with a thread block (707), and the thread block (707) is in threaded connection with the first thread sleeve (708);

the fixed ends of the two telescopic rods (704) are symmetrically arranged on the left side and the right side of the upper end of the first fixed plate (703), the telescopic ends of the telescopic rods (704) are connected with sliding plates (709), and the sliding plates (709) are arranged between the first threaded sleeve (708) and the side wall of the working groove (702) in a sliding mode;

two fixing plates II (713), the two fixing plates II (713) are symmetrically arranged on the left side and the right side of the upper end of the threaded sleeve I (708), the fixing plates II (713) are rotatably connected with a rotating shaft I (714), a threaded rod (717) is fixedly connected between the rotating shafts I (714) on the left side and the right side, the threaded rod (717) is in threaded connection with a threaded sleeve II (718), and one end, far away from the threaded rod (717), of the rotating shaft I (714) is in sliding connection with the side wall of the working groove (702);

the two first gears (715), the two first gears (715) are respectively fixedly connected with the first rotating shafts (714) at the left side and the right side, the first gears (715) are meshed with the first racks (716), and the first racks (716) are fixedly connected with the sliding plates (709);

the first grooves (7081) are symmetrically formed in the left end and the right end of the first threaded sleeve (708), and the first grooves (7081) are uniformly distributed in the vertical direction;

the two second grooves (7091), the two second grooves (7091) are respectively arranged at one ends, close to the first threaded sleeve (708), of the sliding plates (709) at the left side and the right side, an electromagnetic block (710) and a first spring (711) are fixedly arranged inside the second grooves (7091), the first spring (711) is fixedly connected with a magnetic block (712), and the magnetic block (712) is slidably connected with the second grooves (7091);

the upper end of the mounting plate (701) is fixedly connected with the lower end of the transfer platform (3), sliders are symmetrically arranged on the left side and the right side of the lower end of the mounting plate (701), the sliders are rotatably connected with a first supporting hinge rod (724), the first supporting hinge rod (724) is rotatably connected with a second connecting block (725), and the second connecting blocks (725) on the left side and the right side are respectively connected with the left end and the right end of the working groove (702) in a sliding mode;

the two fixing plates III (726) are symmetrically arranged at the left end and the right end of the working groove (702), the fixing plates III (726) are fixedly connected with springs II (727), and the springs II (727) are fixedly connected with the hinge rod I (724);

the connecting block I (722), the inside sliding cavity I (7221) of connecting block I (722) slides and is equipped with sliding block II (720), and fixed spring III (721) that is equipped with between sliding block II (720) and sliding cavity I (7221), sliding block II (720) and sliding block I (719), sliding block I (719) run through the lower extreme of sliding cavity I (7221) with thread bush II (718) fixed connection, the upper end left and right sides of connecting block I (722) is rotated and is connected with a hinge bar II (723), hinge bar II (723) with hinge bar I (724) is rotated and is connected.

2. An air-suspension transfer device according to claim 1, wherein the number of the plurality of moving mechanisms (5) is four, and the moving mechanisms (5) are wheels, and the four wheels are respectively arranged at the lower vertex angle of the base (1).

3. The gas suspension transfer device according to claim 1, wherein the gas path comprises an internal gas path (404) and a gas inlet (402), the internal gas path (404) is communicated with the gas inlet (402), the gas inlet (402) is arranged at one end of the suspension body (401) far away from the gas bag (407), the gas inlet (402) is communicated with an inflating device (6) through a connecting gas path, and the inflating device (6) is arranged at the upper end of the base (1).

4. The air suspension transfer device according to claim 3, wherein a working chamber (405) is arranged inside the suspension body (401), a plurality of air chambers (403) are arranged inside the working chamber (405), the plurality of air chambers (403) are communicated with the plurality of air bags (407) in a one-to-one correspondence manner, the plurality of air chambers (403) are communicated through the built-in air passage (404), and the built-in air passage (404) is communicated with the air chambers (403) through air inlet holes (406).

5. An air suspension transfer device according to claim 4, wherein the inflation device (6) is a small low pressure and low pressure air pump.

6. A device for air-suspension transfer according to claim 2, characterized in that a steady moving device is connected to the moving mechanism (5), said steady moving device comprising:

the mounting seat (501), the mounting seat (501) is rotatably connected with the moving mechanism (5), and an opening cavity (5011) is formed in the mounting seat (501) in a vertically penetrating manner;

the stabilizing shell (502) is internally provided with a stabilizing cavity (503), the lower end of the stabilizing cavity (503) is communicated with an opening, the opening is in sliding connection with the mounting seat (501), and the upper end of the stabilizing shell (502) is fixedly connected with the lower end of the base (1);

the first guide block (504) is fixedly arranged at the right end of the stabilizing cavity (503), a first guide groove (5041) is formed in the left end of the first guide block (504), the first guide groove (5041) is in sliding connection with a second connecting block (516), a fourth spring (515) is fixedly arranged between the first guide groove (5041) and the second connecting block (516), and a first guide cavity (5161) is arranged at the upper end and the lower end of the second connecting block (516) in a penetrating mode;

the connecting shaft (519) is rotatably arranged between the left end and the right end of the front side of the first guide cavity (5161), and a second gear (520) and a cam (521) are fixedly connected to the connecting shaft (519);

the first stabilizing block (517) is arranged between the left end and the right end of the rear side of the first guide cavity (5161) in a sliding mode in the vertical direction, a second rack (518) is fixedly arranged on the left side of the front end of the first stabilizing block (517), the second rack (518) is meshed with the second gear (520), a limiting hole (5171) is fixedly arranged on the right side of the front end of the first stabilizing block (517), and the limiting hole (5171) is matched with the cam (521);

the inclined end of the second stabilizing block (513) is connected with the inclined end of the first stabilizing block (517) in a sliding mode, one side, far away from the inclined end, of the second stabilizing block (513) is connected with the upper end of the stabilizing cavity (503) in a sliding mode, and a spring five (514) is fixedly arranged between the second stabilizing block (513) and the side wall of the stabilizing cavity (503);

the upper end of the fixed block (509) is fixedly connected with the upper end of the stable cavity (503), the lower end of the fixed block (509) is provided with a second guide cavity (5091), a third sliding block (526) is arranged inside the second guide cavity (5091) in a sliding manner, a sixth spring (525) is fixedly arranged between the third sliding block (526) and the second guide cavity (5091), the third sliding block (526) is fixedly connected with a fourth sliding block (527), and the fourth sliding block (527) penetrates through the lower end of the second guide cavity (5091) and is fixedly connected with the mounting seat (501);

the left end of the second guide block (510) is fixedly connected with the right end of the fixed block (509), a second guide groove (5101) is formed in the right end of the second guide block (510), the second guide groove (5101) is connected with the third guide block (512) in a sliding mode, a seventh spring (511) is fixedly arranged between the second guide groove (5101) and the third guide block (512), and the third guide block (512) is in contact with the first stable block (517);

the supporting block (505) is fixedly arranged at the left end of the stabilizing shell (502), the supporting block (505) is rotatably connected with the control plate (504), a third guide groove (5041) is formed in the control plate (504), and the third guide groove (5041) is in sliding connection with the first guide shaft (506);

the right end of the connecting block III (507) is fixedly connected with the connecting block II (516), the left part of the connecting block III (507) penetrates through the left end of the stabilizing cavity (503) and is fixedly connected with the guide shaft I (506), a guide groove IV (5071) is arranged in the middle of the connecting block III (507), the guide groove IV (5071) is fixedly connected with the guide shaft II (508), and the guide shaft II (508) is fixedly connected with the fixing block (509);

stop block (524), stop block (524) with open cavity (5011) cooperation, and stop block (524) are close to the one end of open cavity (5011) and are the same with moving mechanism (5), the one end fixedly connected with connecting rod (523) of open cavity (5011) are kept away from to stop block (524), connecting rod (523) pass the lower extreme of intercommunicating pore (522) and guide block two (510) that set up on connecting block three (507), and connecting rod (523) get into in guide way two (5101) with three (512) sliding connection of guide block.

7. The process for air-suspending a transport device according to any one of claims 1 to 6, wherein the process comprises the following steps:

step 1: starting an inflating device in the air suspension mechanism (4) to inflate an air bag (407) in the suspension body (401);

step 2: the air flow guided by the air charging device is sprayed out from the air outlet hole, so that a layer of air film is formed on the suspension body (401) and the external working platform part where the patient to be transferred is positioned;

and step 3: separating the suspension body (401) from the external working platform part where the patient to be transferred is positioned, and transferring the patient to be transferred on the suspension body (401).