阅读说明：本技术 一种可充当临时备胎的陷车脱困装置设备 (Car-trapping escaping device equipment capable of serving as temporary spare tire ) 是由 黄勇丽 于 2021-02-26 设计创作，主要内容包括：本发明涉及陷车脱困装置设备技术领域,具体为一种可充当临时备胎的陷车脱困装置设备。一种可充当临时备胎的陷车脱困装置设备,包括工作体和与之通过连接机构配合连接设置的夹紧体,所述工作体包括主柱,所述主柱一端固定设置有中心块,所述中心块上关于所述主柱圆周阵列设置有六个径向延伸的支撑杆,本发明采用汽车尾气作为整个设备的动力,利用尾气推动活塞移动,活塞推动液体给六根液压杆加压,省时省力、提高效率；车辆被顶起来之后,车辆依旧能够向前行驶,脱离困境,同时能够充当备胎临时使用,外出遇到险境后,此装备足以,无需携带其他脱困救援设备,其次安装方便,操作步骤少、拆卸收纳方便。(The invention relates to the technical field of equipment of a trapped vehicle escaping device, in particular to equipment of a trapped vehicle escaping device which can be used as a temporary spare tire. The invention relates to a trapped vehicle escaping device capable of serving as a temporary spare tire, which comprises a working body and a clamping body which is matched and connected with the working body through a connecting mechanism, wherein the working body comprises a main column, one end of the main column is fixedly provided with a center block, and six radially extending support rods are arranged on the center block relative to the circumferential array of the main column; after the vehicle is by jack-up, the vehicle still can go forward, breaks away from the predicament, can act as spare tyre and use temporarily simultaneously, goes out to run into the dangerous situation after, this equipment is enough, need not to carry other rescue equipment of getting rid of poverty, and secondly simple to operate, operating procedure is few, dismantle and accomodate the convenience.)

1. The utility model provides a can act as temporary spare tyre's trapping car device of getting rid of poverty which characterized in that: comprises a working body (1) and a clamping body (9) which is matched and connected with the working body through a connecting mechanism (8), the working body (1) comprises a main column (12), one end of the main column (12) is fixedly provided with a central block (13), six radially extending support bars (11) are arranged on the central block (13) in relation to the circumferential array of the main column (12), a tail air cavity is arranged in the central block (13), a detrapping cavity is communicated and arranged in the support rod (11) by the tail air cavity, a detrapping mechanism (2) for detrapping is arranged in the detrapping cavity, the detrapping mechanism (2) comprises a grounding rod (202) which is arranged in the detrapping cavity and is radially and slidably connected with the outside, the grounding rod (202) is fixedly provided with a grounding block (201) away from the axis end of the array, a detrapping piston (205) is arranged in the detrapping cavity in a radial sliding mode, and the detrapping piston (205) and the grounding rod (202) are connected through a spare tire mechanism (6).

2. The equipment of the trapping and escaping device which can be used as a temporary spare tire according to claim 1 is characterized in that: one end, far away from the main column (12), of the tail air cavity is fixedly provided with a top block fixing block (206) extending towards the main column (12), six top blocks (204) capable of being abutted against the collapse-removing piston (205) are fixedly arranged on the circumferential array of the outer end wall of the top block fixing block (206), an air inlet interface (3) used for being connected with a tail air pipe is arranged in the top block fixing block (206), an air bag collecting cavity (401) with an outward opening is arranged on the main column (12) in the circumferential array, an air bag mechanism (4) used for assisting collapse removal is arranged in the air bag collecting cavity (401), and tail gas drives the grounding block (201) and can drive the air bag mechanism (4) to expand; a tire plunger pump (702) with six plunger reciprocating pumps is arranged in the main column (12), the tire plunger pump (702) is dynamically arranged on a tire pump shaft (701) extending towards the direction in the tail gas cavity, a hexagonal power block is arranged at one end, away from the tire plunger pump (702), of the tire pump shaft (701), a tire oil tank (704) is arranged in the main column (12), and the tire pump shaft (701) rotates to drive the spare tire mechanism (6) to move through a trap hydraulic system; the clamping body (9) comprises a clamping column (901) coaxial with the main column (12), three clamping cylinders (904) are arranged on the clamping column (901) in a circumferential array, one end, far away from the clamping column (901), of each clamping cylinder (904) is fixedly provided with a clamping block (905), a clamping cavity is arranged at one end of the clamping column (901) far away from the clamping cylinder (904), a clamping plunger pump (902) is arranged in the clamping column (901), a clamping pump shaft (903) is arranged in the clamping cavity of the clamping plunger pump (902) in a power mode, a hexagonal power block is arranged at one end of the clamping pump shaft (903) far away from the clamping plunger pump (902), a clamping oil tank (907) is fixedly arranged in the clamping plunger pump (902), and the clamping pump shaft (903) rotates to drive the clamping cylinder (904) to move through a hydraulic system with the same structure as the detrapping hydraulic system to drive the clamping block (905) to be fixed on a hub; the power wrench (5) is rotated manually to drive the tire pump shaft (701) and the clamping pump shaft (903) to rotate.

3. The equipment of the trapping and escaping device which can be used as a temporary spare tire according to claim 1 is characterized in that: the connecting mechanism (8) comprises a connecting hole (802) which is formed in a hexagonal shape, wherein the main column (12) is far away from the end of the central block (13), the opening is arranged at the end of the central block (13), the connecting hole (802) is communicated outwards and is provided with a threaded hole, a connecting bolt (801) used for fastening is arranged in the threaded hole, and one end, far away from the clamping cylinder (904), of the clamping column (901) is fixedly provided with a connecting column (803) matched with the connecting hole (802).

4. The equipment of the trapping and escaping device which can be used as a temporary spare tire according to claim 1 is characterized in that: spare tyre mechanism (6) include escape trap piston (205) are kept away from the fixed child pneumatic cylinder (602) that sets up of center block (13) one end, radial direction slip is provided with child piston (603) in child pneumatic cylinder (602), child piston (603) are kept away from escape trap piston (205) one end is fixed and is provided with child piston rod (601), child piston rod (601) are kept away from child piston (603) one end with grounding rod (202) fixed connection sets up.

5. The equipment of claim 2, wherein the equipment is characterized in that: the air inlet connector (3) comprises air inlet bodies (303) which are arranged in an ejection block fixing block (206) in a rotating mode and are coaxially arranged with the main column (12), air inlet threaded holes (301) with openings far away from the main column (12) are formed in the air inlet bodies (303), the air inlet threaded holes (301) are in threaded connection with the air inlet threaded holes (301) and are connected with a tail gas pipe, air inlet net ports (302) which are uniformly distributed and arranged are communicated in the tail gas cavity, tail gas cavities are communicated with the air bag collecting cavity (401) and are provided with tail gas overflow valves (402) which are used for pressure relief and provide power for the air bag mechanism (4), and rubber gaskets are fixedly arranged in the air inlet threaded holes (301).

6. The equipment of claim 5, wherein the equipment comprises: the air bag mechanism (4) comprises an air bag (403) arranged in the air bag collecting cavity (401), the air bag (403) and the tail gas overflow valve (402) are arranged in a sealing and communicating mode, an air bag overflow valve (404) used for relieving pressure of the air bag (403) is arranged on the air bag (403), and the air bag (403) can be unfolded and extended to the outer side of a tire.

7. The equipment of claim 6, wherein the equipment comprises: the hydraulic system that caves in comprises child plunger pump (702) feed liquor pipe with child oil tank (704) are connected and are set up, child plunger pump (702) with the switch-on is provided with the power tube in child pneumatic cylinder (602), be provided with in the power tube to one-way check valve (604) that child pneumatic cylinder (602) one-way switched on, six power tube distal end meets and sets up and connects and set up on child manual relief valve (703), child manual relief valve (703) drain pipe with child oil tank (704) switch-on sets up.

8. The equipment of claim 2, wherein the equipment is characterized in that: the power wrench (5) comprises a Z-shaped wrench body (502), one end of the wrench body (502) is fixedly provided with a sleeve (501) engaged with the power block, and the other end of the wrench body (502) is rotatably provided with a wrench barrel (503).

9. The equipment of claim 8, wherein the equipment comprises: and one end, far away from the clamping cylinder (904), of the clamping block (905) is fixedly provided with a rubber pad abutted against the hub.

10. The equipment of claim 4, wherein the equipment is characterized in that: the tire hydraulic cylinder (602) is connected with the run-in cavity through a run-in spring, and the tire hydraulic cylinder (602) is connected with the tire piston (603) through a spare tire spring.

Technical Field

The invention relates to the technical field of equipment of a trapped vehicle escaping device, in particular to equipment of a trapped vehicle escaping device which can be used as a temporary spare tire.

Background

Vehicle trapping is one of the most troublesome problems for outdoor workers or self-driving ride vehicle users. And the trapped vehicles often appear in remote outdoor places, are rare and inconvenient in communication, and have great danger if not getting out of the way in time.

In the prior art, a common solution for vehicle collapse is traction by a winch, but the winch traction needs a supporting point, such as a big tree, a stone pile and the like, and the winch is relatively large, heavy and not portable. Another effective solution is to please pull the cart, which works well, but may require a long wait. Particularly, when the vehicle is trapped in the field, firstly, the communication signal is not good, and the vehicle cannot contact the outside; second, waiting for a rescue may take a long time even if a trailer and rescue are connected. It can be seen that these methods all have significant limitations. Therefore, there is a need to provide a vehicle trapping and escaping device which can be used as a temporary spare tire to improve the above problems.

Disclosure of Invention

The invention provides equipment of a trapped vehicle escaping device capable of serving as a temporary spare tire, which uses tail gas as power to pressurize and escape the trapped vehicle, so that the trapped vehicle escaping device can jack the vehicle up to escape from the trapped vehicle, is convenient to mount, has few operation steps and is convenient to disassemble and store.

The technical scheme adopted by the invention for solving the technical problems is as follows: the trapped vehicle escaping device equipment capable of serving as a temporary spare tire comprises a working body and a clamping body which is matched and connected with the working body through a connecting mechanism, wherein the working body comprises a main column, one end of the main column is fixedly provided with a center block, six radially extending supporting rods are arranged on the center block relative to the circumferential array of the main column, a tail air cavity is arranged in the center block, the tail air cavity is communicated with and provided with an escaping cavity towards the inside of the supporting rods, an escaping mechanism for escaping is arranged in the escaping cavity, the escaping mechanism comprises an earthing rod which is arranged in the escaping cavity in a manner of radially sliding with the outside, the earthing rod is fixedly provided with an earthing block far away from the axial center end of the array, an escaping piston is arranged in the escaping cavity in a manner of radially sliding, and the escaping piston and the earthing rod are connected through the spare tire mechanism;

the tail gas cavity is fixedly provided with a top block fixing block extending towards the main column at one end far away from the main column, six top blocks capable of being abutted against the detrapping piston are fixedly arranged on the circumferential array of the outer end wall of the top block fixing block, a gas inlet interface for connecting a tail gas pipe is arranged in the top block fixing block, an airbag collecting cavity with an outward opening is arranged on the main column in a circumferential array, an airbag mechanism for assisting detrapping is arranged in the airbag collecting cavity, and tail gas drives the grounding block and can drive the airbag mechanism to unfold;

a tire plunger pump of six plunger reciprocating pumps is arranged in the main column, the power of the tire plunger pump is arranged on a tire pump shaft extending towards the direction of the tail gas cavity, a hexagonal power block is arranged at one end, away from the tire plunger pump, of the tire pump shaft, a tire oil tank is arranged in the main column, and the tire pump shaft rotates and can drive the spare tire mechanism to move through a hydraulic system for escaping;

the clamping body comprises a clamping column coaxial with the main column, three clamping cylinders are arranged on the clamping column in a circumferential array mode, one end, away from the clamping column, of each clamping cylinder is fixedly provided with a clamping block, one end, away from the clamping cylinder, of each clamping cylinder is provided with a clamping cavity, a clamping plunger pump is arranged in each clamping column, a clamping pump shaft is arranged in each clamping cavity in a power mode, one end, away from the clamping plunger pump, of each clamping pump shaft is provided with a hexagonal power block, a clamping oil tank is fixedly arranged in each clamping plunger pump, and the clamping pump shafts can drive the clamping cylinders to move to drive the clamping blocks to be fixed on a wheel hub through a hydraulic system with the same structure as the detrapping hydraulic system in a rotating mode; the manual rotation power wrench can drive the tire pump shaft and the clamping pump shaft to rotate

Preferably, the connecting mechanism comprises a hexagonal connecting hole which is formed by the main column and is far away from an opening arranged at the end of the central block and is far away from the central block, the connecting hole is communicated outwards and provided with a threaded hole, a connecting bolt for fastening is arranged in the threaded hole, and a connecting column matched with the connecting hole is fixedly arranged at one end, far away from the clamping cylinder, of the clamping column.

Preferably, the spare tire mechanism comprises a tire hydraulic cylinder, wherein the trap piston is far away from one end of the central block and fixedly arranged, a tire piston is arranged in the tire hydraulic cylinder in a radially sliding mode, one end of the trap piston is far away from one end of the tire piston and fixedly provided with a tire piston rod, and one end of the tire piston rod is far away from one end of the tire piston and fixedly connected with the grounding rod.

Preferably, the air inlet interface comprises air inlet arranged in the ejecting block fixing block in a rotating mode and coaxially arranged with the main column, an air inlet threaded hole with an opening far away from the main column is formed in the air inlet, the air inlet threaded hole is connected with a tail gas pipe in a threaded mode, an air inlet net port with uniformly distributed arrangement is communicated with the tail gas cavity, a tail gas overflow valve used for pressure relief and providing power for the air bag mechanism is communicated with the air bag collecting cavity through the tail gas cavity, and a rubber gasket is fixedly arranged in the air inlet threaded hole.

Preferably, the air bag mechanism comprises an air bag arranged in the air bag collecting cavity, the air bag is communicated with the tail gas overflow valve in a sealing mode, an air bag overflow valve used for relieving pressure of the air bag is arranged on the air bag, and the air bag can extend to the outer side of the tire after being unfolded.

Preferably, the hydraulic system for detrapping comprises a tyre plunger pump liquid inlet pipe and a tyre oil tank, wherein the tyre plunger pump is connected with a power pipe in the tyre hydraulic cylinder, the power pipe is internally provided with a one-way valve which is communicated with the tyre hydraulic cylinder in a one-way mode, the far ends of the power pipes are connected with and arranged on a tyre manual pressure release valve in a parallel mode, and a tyre manual pressure release valve liquid outlet pipe is connected with the tyre oil tank.

Preferably, the power wrench comprises a Z-shaped wrench body, one end of the wrench body is fixedly provided with a sleeve engaged with the power block, and the other end of the wrench body is rotatably provided with a wrench barrel.

Preferably, one end of the clamping block, which is far away from the clamping cylinder, is fixedly provided with a rubber pad which is abutted against the wheel hub.

Preferably, the tire hydraulic cylinder is connected with the run-in cavity through a run-in spring, and the tire hydraulic cylinder is connected with the tire piston through a spare tire spring.

The automobile exhaust gas pressure-boosting device has the advantages that automobile exhaust gas is used as power of the whole device, the exhaust gas is used for pushing the piston to move, the piston pushes liquid to pressurize the six hydraulic rods, time and labor are saved, and efficiency is improved; after the vehicle is by jack-up, the vehicle still can go forward, breaks away from the predicament, can act as spare tyre and use temporarily simultaneously, goes out to run into the dangerous situation after, this equipment is enough, need not to carry other rescue equipment of getting rid of poverty, and secondly simple to operate, operating procedure is few, dismantle and accomodate the convenience.

Drawings

FIG. 1 is a schematic structural diagram of a working body of a trapping and escaping device apparatus that can be used as a temporary spare tire according to the present invention;

FIG. 2 is a schematic view of a working body of the trapping and escaping device apparatus of the present invention, which can be used as a temporary spare tire;

FIG. 3 is a schematic view of the working body of the trapping and escaping device apparatus of the present invention, which can be used as a temporary spare tire;

FIG. 4 is a schematic view of the structure A-A of FIG. 2;

FIG. 5 is a schematic diagram of B-B in FIG. 2:

FIG. 6 is a schematic view of the structure C-C of FIG. 3;

FIG. 7 is a schematic view of D-D of FIG. 6;

FIG. 8 is a schematic view of a clamping body of the trapping and escaping device apparatus of the present invention, which can be used as a temporary spare tire;

FIG. 9 is a schematic diagram of a deployed structure of a trapping and escaping device apparatus of the present invention, which can be used as a temporary spare tire;

FIG. 10 is a schematic view of the power wrench;

fig. 11 is a hydraulic system diagram.

Wherein, 1, the working body, 11, the support rod, 12, the main column, 13, the center block, 2, the caving mechanism, 201, the grounding block, 202, the grounding rod, 203, the mud scraping ring, 204, the top block, 205, the caving piston, 206, the top block fixing block, 3, the air inlet interface, 301, the air inlet thread, 302, the air inlet network port, 303, the air inlet, 4, the air bag mechanism, 401, the air bag collecting cavity, 402, the tail gas overflow valve, 403, the air bag, 404, the air bag overflow valve, 5, the power wrench, 501, the sleeve, 502, the wrench body, 503, the wrench cylinder, 6, the spare tire mechanism, 601, the tire piston rod, 602, the tire hydraulic cylinder, 603, the tire piston, 604, the one-way valve, 7, the tire power relief mechanism, 701, the tire pump shaft, 702, the tire plunger pump, 703, the tire manual, 704, the tire oil tank, 8, the connecting mechanism, 801, the connecting bolt, 802, the connecting hole, 803, the connecting column, the clamping device comprises a clamping body, 901, a clamping column, 902, a clamping plunger pump, 903, a clamping pump shaft, 904, a clamping cylinder, 905 and a clamping block.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in figures 1-11, the trapping and escaping device equipment which can be used as a temporary spare tire comprises a working body 1 and a clamping body 9 which is matched and connected with the working body through a connecting mechanism 8. The working body 1 and the clamping body 9 are connected through the connecting mechanism 8 so as to be convenient to detach and can be stored and placed in a vehicle spare tire placing position. The working body 1 comprises a main column 12, a central block 13 is fixedly arranged at one end of the main column 12, and six radially extending support rods 11 are arranged on the central block 13 in a circumferential array mode relative to the main column 12. The six support rods 11 are used as supports, and the support rods 11 are arranged at intervals of sixty degrees, so that the stress of the support rods can be guaranteed, trapped wheels are lifted, and the wheels drive the six support rods 11 to rotate to move forwards, so that the vehicle is trapped. The central block 13 is internally provided with a tail air cavity, the tail air cavity is communicated with and provided with a detrapping cavity in the support rod 11, a detrapping mechanism 2 for detrapping is arranged in the detrapping cavity, the detrapping mechanism 2 comprises a grounding rod 202 which is arranged in the detrapping cavity and is in radial sliding with the outside, the grounding rod 202 is fixedly provided with a grounding block 201 far away from the axis end of the array, a detrapping piston 205 is arranged in the detrapping cavity in radial sliding, and the detrapping piston 205 and the grounding rod 202 are connected and arranged by using a spare tire mechanism 6. High-pressure tail gas is introduced into the tail gas cavity to push the detrapping piston 205 to drive the grounding rod 202 to move outwards, so that the grounding block 201 is driven to move outwards to the outermost end to support the ground, and the vehicle is jacked up to be detrapped through the driving of the wheels.

The tail air cavity is kept away from main column 12 one end is fixed be provided with to kicking block fixed block 206 that main column 12 extends, kicking block fixed block 206 outer end wall circumference array fixed be provided with can with six kicking blocks 204 of detrapping piston 205 butt, be provided with in the kicking block fixed block 206 and be used for connecting the tracheal air inlet interface 3 of tail gas, circumference array is provided with the outside gasbag of opening and collects chamber 401 on the main column 12, be provided with in the gasbag collection chamber 401 and be used for assisting the gasbag mechanism 4 that detrapps, tail gas drives grounding block 201 can drive simultaneously gasbag mechanism 4 expandes. The ejector block fixing block 206 supports the detrapping piston 205, and the tail gas drives the grounding rod 202 to drive the airbag mechanism 4 to unfold to assist wheel detrapping after the grounding block 201 unfolds.

Be provided with child plunger pump 702 of six plunger reciprocating pumps in the principal post 12, child plunger pump 702 power set up in to the child pump spindle 701 that the tail gas intracavity direction extends, child pump spindle 701 is kept away from child plunger pump 702 one end is provided with hexagonal power block, be provided with child oil tank 704 in the principal post 12, child pump spindle 701 rotates and can drive through the hydraulic system that caves in that takes off spare tyre mechanism 6 removes. The tire pump shaft 701 rotates to drive the tire plunger pump 702 to move to drive the spare tire mechanism 6 to move to drive the grounding rod 202 to move outwards, so that the grounding block 201 is driven to move outwards to be supported by hydraulic pressure, and therefore the temporary spare tire is used.

The clamping body 9 comprises a clamping column 901 coaxial with the main column 12, three clamping cylinders 904 are arranged on the clamping column 901 in a circumferential array, one ends of the clamping cylinders 904, which are far away from the clamping column 901, are fixedly provided with clamping blocks 905, one ends of the clamping columns 901, which are far away from the clamping cylinders 904, are provided with clamping cavities, clamping plunger pumps 902 are arranged in the clamping columns 901, the clamping plunger pumps 902 are provided with clamping pump shafts 903 in a power mode towards the clamping cavities, one ends of the clamping pump shafts 903, which are far away from the clamping plunger pumps 902, are provided with hexagonal power blocks, clamping oil tanks 907 are fixedly arranged in the clamping plunger pumps 902, and the clamping pump shafts 903 rotate and can drive the clamping cylinders 904 to move through a hydraulic system with the same structure as the escaping hydraulic system to drive the clamping blocks 905 to be fixed on the wheel hub. The clamping pump shaft 903 is rotated to drive the rotating side of the clamping plunger pump 902, so that the clamping cylinder 904 is driven to rotate, the clamping block 905 is driven to be unfolded to abut against the inner wall of the hub, and the clamping block 9 is clamped to be fixed; the manual rotation of the power wrench 5 can drive the tire pump shaft 701 and the clamping pump shaft 903 to rotate.

The connecting mechanism 8 comprises a connecting hole 802 which is formed in a hexagonal shape and is formed by enabling an opening of the main column 12, which is far away from the end of the central block 13, to be far away from the central block 13, wherein the connecting hole 802 is outwards communicated with a threaded hole, a connecting bolt 801 for fastening is arranged in the threaded hole, and a connecting column 803 matched with the connecting hole 802 is fixedly arranged at one end, which is far away from the clamping cylinder 904, of the clamping column 901. The hexagonal connection is adopted, so that the butt joint is convenient, the tangential stress can be generated, and the bolt connection is adopted, so that the operation is convenient, and the connection rigidity is increased.

Spare tyre mechanism 6 includes the detritus piston 205 is kept away from the fixed child pneumatic cylinder 602 that sets up of centre block 13 one end, radial direction slip is provided with child piston 603 in the child pneumatic cylinder 602, child piston 603 is kept away from the fixed child piston rod 601 that is provided with of detritus piston 205 one end, child piston rod 601 is kept away from child piston 603 one end with ground bar 202 fixed connection sets up. The grounding rod 202 is driven to be unfolded to different sizes in different power modes so as to adapt to different working modes, the tire piston 603 is driven to move by hydraulic pressure, and therefore the tire piston rod 601 is driven to drive the grounding rod 202 to move.

The air inlet interface 3 comprises an air inlet 303 which is arranged in the jacking block fixing block 206 in a rotating mode and is coaxial with the main column 12, an air inlet threaded hole 301 with an opening far away from the main column 12 is formed in the air inlet 303, the air inlet 303 is connected with a tail gas pipe through being in threaded connection with the air inlet threaded hole 301, air inlet net ports 302 which are uniformly distributed are communicated and arranged in a tail gas cavity, a tail gas overflow valve 402 which is used for pressure relief and provides power for the air bag mechanism 4 is communicated and arranged in the air bag collecting cavity 401, and a rubber gasket is fixedly arranged in the air inlet threaded hole 301. The air inlet 303 is rotatably arranged on the top block fixing block 206 and can prevent the center block 13 from rotating, so that the air inlet 303 drives the air pipe to rotate, the air pipe is twisted and wound to be knotted, and the threaded connection and the rubber gasket can improve the connection sealing property.

The airbag mechanism 4 includes an airbag 403 disposed in the airbag collection chamber 401, the airbag 403 is disposed in a sealed and communicated manner with the exhaust gas relief valve 402, an airbag relief valve 404 for relieving pressure of the airbag 403 is disposed on the airbag 403, and the airbag 403 is deployed and can extend to the outside of the tire. After the tail gas drives the grounding rod 202 to move to the head, the tail gas overflow valve 402 inflates the air bag 403 until the air bag 403 is completely unfolded to cover the tire, and the contact area between the tire and the ground is increased by padding the tire, so that the auxiliary detrapping of the ground gripping force is increased.

The hydraulic system that caves in comprises child plunger pump 702 feed liquor pipe with child oil tank 704 connects the setting, child plunger pump 702 with the internal switch-on of child pneumatic cylinder 602 is provided with the power tube, be provided with in the power tube to child pneumatic cylinder 602 one-way conduction's check valve 604, six power tube distal end meets and sets up and connects and set up on manual relief valve 703 of child, manual relief valve 703 drain pipe of child with the setting is put through to child oil tank 704. The tyre pump shaft 701 rotates to sequentially drive the tyre plunger pump 702 to rotate so as to pump the liquid in the tyre oil tank 704 into the tyre hydraulic cylinder 602 to drive the tyre piston rod 601 to be unfolded, and the tyre manual pressure relief valve 703 is manually pressed to relieve the pressure in the tyre hydraulic cylinder 602.

The power wrench 5 comprises a Z-shaped wrench body 502, a sleeve 501 engaged with the power block is fixedly arranged at one end of the wrench body 502, and a wrench barrel 503 is rotatably arranged at the other end of the wrench body 502. The sleeve 501 is engaged with the power block, and the wrench barrel 503 is held by hand to rotate the wrench body 502 around the sleeve 501, so as to rotate the tire pump shaft 701 and the clamp pump shaft 903.

And one end of the clamping block 905, which is far away from the clamping cylinder 904, is fixedly provided with a rubber pad which is abutted against the wheel hub. The rubber pad can reduce damage to the hub and increase friction.

The tire hydraulic cylinder 602 and the run-in cavity are connected through a run-in spring, and the tire hydraulic cylinder 602 and the tire piston 603 are connected through a spare tire spring. The equipment in the initial state can be in a contraction state by the escape spring and the spare tire spring.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.