CN111335102A - Folding vehicle climbing curbstone auxiliary device - Google Patents
Folding vehicle climbing curbstone auxiliary device Download PDFInfo
- Publication number
- CN111335102A CN111335102A CN202010310163.5A CN202010310163A CN111335102A CN 111335102 A CN111335102 A CN 111335102A CN 202010310163 A CN202010310163 A CN 202010310163A CN 111335102 A CN111335102 A CN 111335102A
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- Prior art keywords
- plate
- climbing
- base
- supporting plate
- backup pad
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- Pending
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- 230000009194 climbing Effects 0.000 title claims abstract description 155
- 239000011111 cardboard Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 4
- 230000009191 jumping Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/083—Temporary pavings made of metal, e.g. plates, network
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a folding type vehicle climbing road edge stone auxiliary device, wherein one end of a base is rotatably provided with a climbing plate, the other end of the base is rotatably provided with an outer supporting plate, the surface of the climbing plate opposite to the base is rotatably provided with an inner supporting plate, when the outer supporting plate is vertically arranged with the base, the outer supporting plate is abutted against the climbing plate, the inner supporting plate is arranged in parallel with the outer supporting plate and abutted against the base, and the climbing plate is arranged at an angle with the base. When the automobile climbing protection device is used, two ends of the inner supporting plate are respectively abutted against the base and the climbing plate, two ends of the outer supporting plate are also respectively abutted against the base and the climbing plate, the angle between the climbing plate and the base is fixed, and the slope formed between the climbing plate and the base is fixed, so that double protection is realized, the stability of the automobile climbing protection device is ensured, and the automobile can stably climb to the upper side of a road along the climbing plate; the portable folding chair is small in size and occupied space after being stored, and is convenient to store and carry.
Description
Technical Field
The invention relates to the technical field of vehicle climbing curb auxiliary facilities, in particular to a folding vehicle climbing curb auxiliary device.
Background
With the increase of the holding amount of vehicles nowadays, the problem of difficult parking is increasingly prominent, especially when parking temporarily, the traffic is affected by parking on the roadside, and the problem can be solved if the vehicles are parked on a curb. However, there is a height difference between the road edge stone and the ground, and it is difficult for a motor vehicle or a non-motor vehicle to drive on the upper side of the road edge stone, and generally some ramps are arranged at the beginning of the construction of the road edge stone to avoid the situation, but the number of ramps is limited, and when no ramps are provided, the problem that the vehicle drives on the road edge stone is still not solved.
In order to solve the above problems, chinese patent No. CN201721737727.3 discloses a portable vehicle curb auxiliary device, which comprises: the device comprises two supporting blocks and a scale rope for connecting the two supporting blocks, wherein the supporting blocks are in a right-angle triangular column shape, or the inclined planes of the right-angle triangular column are cambered surfaces, and the supporting blocks are in a solid structure; and the solid supporting block has heavier weight and is inconvenient to carry and carry.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects that two supporting blocks in the prior device have larger volume and are inconvenient to store and carry; and the problem that solid supporting shoe weight is heavier, inconvenient transport and carry provides a foldable vehicle climbing curbstone auxiliary device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a foldable vehicle climbing curbstone auxiliary device, includes the base, the one end of base is rotated and is installed the climbing board, and the other end is rotated and is installed outer backup pad, rotate on the face that the climbing board is relative with the base and install interior backup pad, when outer backup pad sets up with the base is perpendicular, outer backup pad supports with the climbing board and supports, and interior backup pad supports with outer backup pad parallel arrangement and offsets with the base, and the climbing board is the angle setting with the base.
When the folding type vehicle climbing curbstone auxiliary device is used, the base is placed on the ground, the outer supporting plate and the base are vertically arranged, the outer supporting plate is attached to the side face of the curbstone, then the climbing plate is abutted against the outer supporting plate, and the inner supporting plate and the outer supporting plate are arranged in parallel in the process that the climbing plate is abutted against the outer supporting plate; when the climbing plate abuts against the outer supporting plate, the inner supporting plate abuts against the base, the climbing plate and the base are arranged at an angle, and the inclination angle of the climbing plate is the gradient from the ground to the upper side of the road edge stone; at the moment, the inner supporting plate and the outer supporting plate are both arranged vertically to the base, two ends of the inner supporting plate are respectively abutted against the base and the climbing plate, and the inner supporting plate supports the climbing plate to keep a fixed angle with the base; the two ends of the outer supporting plate are respectively abutted against the base and the climbing plate, the outer supporting plate also supports the climbing plate to keep the same angle with the base, the angle between the climbing plate and the base is fixed, the slope formed between the climbing plate and the base is fixed, double protection is realized, the stability of the automobile climbing device is ensured, and the automobile can stably climb to the upper side of the road edge stone along the climbing plate; after climbing is finished, the climbing plate can be reversely overturned on the ground, the outer supporting plate is overturned to be in contact with the upper surface of the base, and the inner supporting plate is overturned to be in contact with the climbing plate.
After accomodating the completion, in order to prevent to climb mutual rotation between ramp plate and the base, the last surface rotation of base installs the cardboard, the bayonet socket has been seted up to the other end of cardboard, fixed mounting has stop screw on the face that ramp plate and base are relative accomodate the completion back, and the stop screw card is established in the bayonet socket, and the cardboard card is established between ramp plate and stop screw's nut. When the climbing plate is stored, the climbing plate is reversely overturned on the ground, the clamping plate is rotated towards the climbing plate, the bayonet of the clamping plate is clamped with the limiting screw, the clamping plate is clamped between the climbing plate and the nut of the limiting screw, two ends of the clamping plate are respectively fixed on the base and the climbing plate, and the clamping plate can limit the mutual rotation between the base and the climbing plate, so that the climbing plate can keep a fixed shape after being stored, and the storage of the climbing plate is convenient.
After the novel clamp plate is stored, a handle is fixedly arranged on the upper surface of the clamp plate for carrying. The handle is convenient to rotate the clamping plate and hold, a person who takes in the clamping plate can lift the taken in clamping plate away after the person takes the clamping plate upwards and holds the handle, and the carrying is convenient.
When the novel transportation vehicle is transported, the handle is required to be placed upwards, the inner supporting plate can be kept in contact with the climbing plate under the action of self gravity, the outer supporting plate can be kept in contact with the base under the action of self gravity, however, if the novel transportation vehicle is transported on a bumpy road, the inner supporting plate can rotationally jump on the climbing plate due to the fact that the inner supporting plate is rotationally arranged on the climbing plate, and the inner supporting plate and the climbing plate are damaged; similarly, the outer support plate can also rotate and jump on the base to damage the outer support plate and the base; in order to solve the problems, the base is a metal plate, a blind hole is formed in the outer supporting plate, and a first magnet is fixedly mounted in the blind hole; the climbing plate is a metal plate, a blind hole is formed in the inner supporting plate, and a second magnet is fixedly mounted in the blind hole. After the storage is finished, the outer supporting plate is adsorbed on the base through the first magnet, so that the jumping of the outer supporting plate during transportation can be effectively prevented, and the outer supporting plate and the base are protected; the inner supporting plate is adsorbed on the climbing plate through the second magnet, so that the jumping of the inner supporting plate during transportation can be effectively prevented, and the inner supporting plate and the climbing plate are protected.
In order to make the climbing plate can be more firm support by in outer backup pad, the one end that outer backup pad is close to climbing plate is the plane, set up on the climbing plate with outer backup pad tip matched with opening, when outer backup pad sets up with the base is perpendicular, the one end card that outer backup pad is close to climbing plate is established in the opening. The opening is matched with the end part of the outer supporting plate, one end of the outer supporting plate close to the climbing plate is a plane, the opening can limit the rotation of the outer supporting plate, and no relative movement amount exists between the climbing plate and the outer supporting plate, so that the climbing plate can be firmly abutted against the outer supporting plate.
In order to prevent at the in-process of vehicle climbing curb, the curb is kept away from to outer backup pad, the lower surface fixed mounting of base has the rubber pad. The rubber pad has increased the friction between ground and the base, can effectively prevent at the in-process of vehicle climbing curbstone, and curbstone is kept away from to outer backup pad.
At the in-process of vehicle climbing curb, in order to prevent that phenomenon of skidding from appearing in wheel and the climbing board, the climbing board upper surface is provided with a plurality of anti-skidding archs.
In order to facilitate the rotation of the inner supporting plate, first rotating blocks are fixedly arranged on two sides of the inner supporting plate; in order to facilitate the rotation of the outer support plate, second rotating blocks are fixedly arranged on two sides of the outer support plate.
The folding vehicle climbing curbstone auxiliary device has the beneficial effects that when the folding vehicle climbing curbstone auxiliary device is used, the base is placed on the ground, the outer supporting plate is vertically arranged with the base, the outer supporting plate is attached to the side surface of the curbstone, then the climbing plate is abutted against the outer supporting plate, and the inner supporting plate and the outer supporting plate are arranged in parallel in the process that the climbing plate is abutted against the outer supporting plate; when the climbing plate abuts against the outer supporting plate, the inner supporting plate abuts against the base, the climbing plate and the base are arranged at an angle, and the inclination angle of the climbing plate is the gradient from the ground to the upper side of the road edge stone; at the moment, the inner supporting plate and the outer supporting plate are both arranged vertically to the base, two ends of the inner supporting plate are respectively abutted against the base and the climbing plate, and the inner supporting plate supports the climbing plate to keep a fixed angle with the base; the two ends of the outer supporting plate are respectively abutted against the base and the climbing plate, the outer supporting plate also supports the climbing plate to keep the same angle with the base, the angle between the climbing plate and the base is fixed, the slope formed between the climbing plate and the base is fixed, double protection is realized, the stability of the automobile climbing device is ensured, and the automobile can stably climb to the upper side of the road edge stone along the climbing plate; after climbing is finished, the climbing plate can be reversely overturned on the ground, the outer supporting plate is overturned to be in contact with the upper surface of the base, and the inner supporting plate is overturned to be in contact with the climbing plate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a three-dimensional schematic representation of the present invention in use;
FIG. 2 is a three-dimensional schematic view of another perspective of the present invention in use;
FIG. 3 is a front view of the present invention in use;
fig. 4 is a three-dimensional schematic view after the storage of the present invention is completed.
In the figure: 1. the novel anti-skid device comprises a base, 2 parts of a climbing plate, 2-1 parts of an opening, 3 parts of an outer supporting plate, 4 parts of an inner supporting plate, 5 parts of a clamping plate, 6 parts of a limiting screw, 7 parts of a handle, 8 parts of a first magnet, 9 parts of a second magnet, 10 parts of a rubber pad, 11 parts of an anti-skid protrusion, 12 parts of a first rotating block and 13 parts of a second rotating block.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 2, a foldable vehicle climbing curbstone auxiliary device, including base 1, base 1's one end is rotated and is installed climbing plate 2, and the other end is rotated and is installed outer backup pad 3, and climbing plate 2 rotates on the face relative with base 1 and installs interior backup pad 4, and when outer backup pad 3 set up with base 1 is perpendicular, outer backup pad 3 leaned on with climbing plate 2, and interior backup pad 4 and outer backup pad 3 parallel arrangement just leaned on with base 1, and climbing plate 2 is the angle setting with base 1, as shown in fig. 3.
When the folding type vehicle climbing curbstone auxiliary device is used, the base 1 is placed on the ground, the outer supporting plate 3 is perpendicular to the base 1, the outer supporting plate 3 is attached to the side face of the curbstone, then the climbing plate 2 is abutted against the outer supporting plate 3, and the inner supporting plate 4 and the outer supporting plate 3 are arranged in parallel in the process that the climbing plate 2 is abutted against the outer supporting plate 3; when the climbing plate 2 abuts against the outer supporting plate 3, the inner supporting plate 4 abuts against the base 1, the climbing plate 2 and the base 1 are arranged at an angle, and the inclination angle of the climbing plate 2 is the gradient from the ground to the upper side of a road edge stone; at the moment, the inner supporting plate 4 and the outer supporting plate 3 are both arranged perpendicular to the base 1, two ends of the inner supporting plate 4 are respectively abutted against the base 1 and the climbing plate 2, and the inner supporting plate 4 supports the climbing plate 2 to keep a fixed angle with the base 1; the two ends of the outer supporting plate 3 are also respectively abutted against the base 1 and the climbing plate 2, the outer supporting plate 3 also supports the climbing plate 2 to keep an equal angle with the base 1, the angle between the climbing plate 2 and the base 1 is fixed, and the slope formed between the climbing plate 2 and the base 1 is fixed, so that the stability of the automobile climbing device is ensured through double protection, and the automobile can stably climb to the upper side of a road edge stone along the climbing plate 2; after climbing, the climbing plate 2 can be reversely turned over on the ground, the outer supporting plate 3 is turned over to be in contact with the upper surface of the base 1, and the inner supporting plate 4 is turned over to be in contact with the climbing plate 2, as shown in fig. 4, the climbing device is small in size after being stored, small in occupied space and convenient to store and carry. The invention can use the same length of the base 1 and the climbing plate 2 as the vehicle body; the two sets of the invention can also be used in combination, so that the width of the base 1 and the climbing plate 2 is larger than that of the wheels.
After accomodating the completion, in order to prevent to climb mutual rotation between ramp 2 and the base 1, the last surface rotation of base 1 installs cardboard 5, and the bayonet socket has been seted up to the other end of cardboard 5, and fixed mounting has stop screw 6 on the face that ramp 2 is relative with base 1, accomodates the completion back, and stop screw 6 blocks and establishes in the bayonet socket, and 5 blocks of cardboard are established between the nut of climbing 2 and stop screw 6. When the climbing plate is stored, the climbing plate 2 is reversely overturned on the ground, the clamping plate 5 is rotated towards the climbing plate 2, the bayonet of the clamping plate 5 is clamped with the limiting screw 6, the clamping plate 5 is clamped between the climbing plate 2 and the nut of the limiting screw 6, two ends of the clamping plate 5 are respectively fixed on the base 1 and the climbing plate 2, and the clamping plate 5 can limit the mutual rotation between the base 1 and the climbing plate 2, so that the fixed shape of the climbing plate can be kept after the climbing plate is stored, and the storage of the climbing plate is convenient.
After the portable card is stored, the handle 7 is fixedly arranged on the upper surface of the card board 5 for carrying. The handle 7 is convenient to rotate the clamping plate 5 and hold, a person holding the clamping plate can lift the stored invention away after holding the handle 7 upwards by the wrench, and the carrying is convenient.
When the climbing transport vehicle is transported, the handle 7 is required to be placed upwards, the inner supporting plate 4 can be kept in contact with the climbing plate 2 under the action of self gravity, the outer supporting plate 3 can be kept in contact with the base 1 under the action of self gravity, however, if the climbing transport vehicle is transported on a bumpy road, the inner supporting plate 4 is rotatably arranged on the climbing plate 2, the inner supporting plate 4 can rotatably jump on the climbing plate 2, and the inner supporting plate 4 and the climbing plate 2 are damaged; similarly, the outer support plate 3 can also rotate and jump on the base 1 to damage the outer support plate 3 and the base 1; in order to solve the problems, the base 1 is a metal plate, a blind hole is formed in the outer support plate 3, and a first magnet 8 is fixedly arranged in the blind hole; the climbing plate 2 is a metal plate, a blind hole is formed in the inner support plate 4, and a second magnet 9 is fixedly mounted in the blind hole. After the storage is finished, the outer support plate 3 is adsorbed on the base 1 through the first magnet 8, as shown in fig. 1, the jumping of the outer support plate 3 during transportation can be effectively prevented, and therefore the outer support plate 3 and the base 1 are protected; interior backup pad 4 passes through second magnet 9 and adsorbs on climbing board 2, can prevent effectively that interior backup pad 4 from beating when the transportation to interior backup pad 4 and climbing board 2 have been protected.
In order to enable the climbing plate 2 to be firmly supported on the outer supporting plate 3, one end, close to the climbing plate 2, of the outer supporting plate 3 is a plane, an opening 2-1 matched with the end portion of the outer supporting plate 3 is formed in the climbing plate 2, and when the outer supporting plate 3 is vertically arranged with the base 1, one end, close to the climbing plate 2, of the outer supporting plate 3 is clamped in the opening 2-1. The opening 2-1 is matched with the end part of the outer supporting plate 3, one end of the outer supporting plate 3 close to the climbing plate 2 is a plane, the opening 2-1 can limit the rotation of the outer supporting plate 3, and no relative movement amount exists between the climbing plate 2 and the outer supporting plate 3, so that the climbing plate 2 can be firmly abutted against the outer supporting plate 3.
In order to prevent the outer supporting plate 3 from being far away from the road edge stone in the process of climbing the road edge stone by vehicles, a rubber pad 10 is fixedly arranged on the lower surface of the base 1. Rubber pad 10 has increased the friction between ground and the base 1, can prevent effectively that the vehicle from climbing the in-process of curbstone, and outer backup pad 3 keeps away from the curbstone.
At the in-process of vehicle climbing curb, in order to prevent that wheel and climbing board 2 from appearing the phenomenon of skidding, climbing board 2 upper surface is provided with a plurality of non-slip raised 11.
In order to facilitate the rotation of the inner support plate 4, the two sides of the inner support plate 4 are fixedly provided with first rotating blocks 12; in order to facilitate the rotation of the outer support plate 3, second rotating blocks 13 are fixedly mounted on both sides of the outer support plate 3.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a foldable vehicle climbing curbstone auxiliary device which characterized in that: including base (1), the one end of base (1) is rotated and is installed and climb ramp plate (2), and the other end is rotated and is installed outer backup pad (3), climb ramp plate (2) and rotate on the face relative with base (1) and install interior backup pad (4), when outer backup pad (3) set up with base (1) is perpendicular, outer backup pad (3) with climb ramp plate (2) counterbalance and lean on, interior backup pad (4) and outer backup pad (3) parallel arrangement just offset with base (1), climb ramp plate (2) and base (1) and be the angle setting.
2. The folding vehicle climbing curb assist device of claim 1, wherein: the upper surface of base (1) rotates and installs cardboard (5), the bayonet socket has been seted up to the other end of cardboard (5), climb slope board (2) and base (1) relative face on fixed mounting have stop screw (6), accomodate the completion back, stop screw (6) card is established in the bayonet socket, cardboard (5) card is established between the nut of climbing slope board (2) and stop screw (6).
3. The folding vehicle climbing curb assist device of claim 2, wherein: and a handle (7) is fixedly arranged on the upper surface of the clamping plate (5).
4. The folding vehicle climbing curb assist device of claim 1, wherein: the base (1) is a metal plate, a blind hole is formed in the outer supporting plate (3), and a first magnet (8) is fixedly mounted in the blind hole; the climbing plate (2) is a metal plate, a blind hole is formed in the inner supporting plate (4), and a second magnet (9) is fixedly mounted in the blind hole.
5. The folding vehicle climbing curb assist device of claim 1, wherein: the end, close to climbing plate (2), of outer support plate (3) is a plane, set up opening (2-1) with outer support plate (3) tip matched with on climbing plate (2), when outer support plate (3) and base (1) set up perpendicularly, the one end card that outer support plate (3) is close to climbing plate (2) is established in opening (2-1).
6. The folding vehicle climbing curb assist device of claim 1, wherein: the lower surface of the base (1) is fixedly provided with a rubber pad (10).
7. The folding vehicle climbing curb assist device of claim 1, wherein: the upper surface of the climbing plate (2) is provided with a plurality of anti-skid protrusions (11).
8. The folding vehicle climbing curb assist device of claim 1, wherein: the two sides of the inner supporting plate (4) are fixedly provided with first rotating blocks (12), and the two sides of the outer supporting plate (3) are fixedly provided with second rotating blocks (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310163.5A CN111335102A (en) | 2020-04-20 | 2020-04-20 | Folding vehicle climbing curbstone auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310163.5A CN111335102A (en) | 2020-04-20 | 2020-04-20 | Folding vehicle climbing curbstone auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335102A true CN111335102A (en) | 2020-06-26 |
Family
ID=71180958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010310163.5A Pending CN111335102A (en) | 2020-04-20 | 2020-04-20 | Folding vehicle climbing curbstone auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335102A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203307701U (en) * | 2013-06-17 | 2013-11-27 | 泰奥星（天津）有限公司 | Mobile lane |
| CN204608542U (en) * | 2015-05-16 | 2015-09-02 | 河南工业贸易职业学院 | Portable vehicle climbs stairs device |
| CN205313939U (en) * | 2015-12-31 | 2016-06-15 | 山东科技大学 | Portable climbing ware |
| CN107012762A (en) * | 2017-05-23 | 2017-08-04 | 徐工集团工程机械有限公司 | Vehicle climbs stairs device, road sweeper and family expenses vehicle |
| CN212052163U (en) * | 2020-04-20 | 2020-12-01 | 常州工业职业技术学院 | Folding vehicle climbing curbstone auxiliary device |
-
2020
- 2020-04-20 CN CN202010310163.5A patent/CN111335102A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203307701U (en) * | 2013-06-17 | 2013-11-27 | 泰奥星（天津）有限公司 | Mobile lane |
| CN204608542U (en) * | 2015-05-16 | 2015-09-02 | 河南工业贸易职业学院 | Portable vehicle climbs stairs device |
| CN205313939U (en) * | 2015-12-31 | 2016-06-15 | 山东科技大学 | Portable climbing ware |
| CN107012762A (en) * | 2017-05-23 | 2017-08-04 | 徐工集团工程机械有限公司 | Vehicle climbs stairs device, road sweeper and family expenses vehicle |
| CN212052163U (en) * | 2020-04-20 | 2020-12-01 | 常州工业职业技术学院 | Folding vehicle climbing curbstone auxiliary device |
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