CN216153892U - Flat-bed height control device of large equipment transportation semitrailer - Google Patents
Flat-bed height control device of large equipment transportation semitrailer Download PDFInfo
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- CN216153892U CN216153892U CN202122280616.7U CN202122280616U CN216153892U CN 216153892 U CN216153892 U CN 216153892U CN 202122280616 U CN202122280616 U CN 202122280616U CN 216153892 U CN216153892 U CN 216153892U
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- lifting
- rear axle
- control device
- movable rear
- height control
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Abstract
The utility model discloses a flat plate height control device of a large equipment transportation semitrailer, which comprises a semitrailer body and a lifting vehicle plate arranged at the top of the semitrailer body, wherein a movable rear axle is arranged at the bottom of the lifting vehicle plate, one end of the movable rear axle, which is far away from the semitrailer body, is rotatably connected with a folding crawling ladder, and one end of the lifting vehicle plate, which is far away from the semitrailer body, is rotatably connected with a rotating support plate; a plurality of groups of lifting limiting mechanisms are arranged between the lifting vehicle plate and the movable rear axle, and each lifting limiting mechanism comprises a positioning column and a limiting column; the bottom fixedly connected with of lift sweep two sets of first rotating bracket and third rotating bracket, two the bottom of first rotating bracket all rotates and is connected with the lift adjustment piece. By designing the lifting limiting mechanism and the hydraulic lifting adjusting mechanism, the utility model can limit the lifting vehicle plate and the movable rear axle, can realize the height adjustment of the whole semi-trailer body from the ground, and has convenient and quick operation and greatly improved working efficiency.
Description
Technical Field
The utility model relates to the field of semitrailers, in particular to a height control device for a flat bed of a large equipment transportation semitrailer.
Background
The vehicle-mounted part of the flat-plate semi-trailer has no breast board, has wide application and is mainly used for medium and long-distance freight transportation. The walking structure of the flat-plate type semi-trailer is made of high-strength international steel; the whole vehicle has light self weight, ensures the anti-distortion, anti-seismic and anti-bumping capabilities of the vehicle, and meets the bearing capacities of different pavements; the frame of the semitrailer is of a through beam type structure, and the longitudinal beam is of a straight type or a gooseneck type. The height of the web plate is 400mm to 550mm, the longitudinal beam is welded by adopting automatic submerged arc welding, the frame is processed by shot blasting, and the cross beam penetrates into the longitudinal beam and is welded integrally; the series dry plate spring and the suspension support are formed, the structure is reasonable, and the suspension support has high rigidity and strength and is used for supporting load buffering.
The semitrailer is the most common medium-large transport vehicle, and various different types of flat plate semitrailers are available in the market at present, but the height of the flat plate of the existing flat plate semitrailer can not be automatically adjusted, and when the semitrailer runs under different road conditions, if the height of the flat plate of the semitrailer can not be properly adjusted, the condition of supporting the bottom of the semitrailer can be easily caused, so that the normal running of the semitrailer is influenced.
Therefore, it is desirable to provide a device for controlling the height of a flat bed of a semitrailer for transporting large equipment to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the height of a flat plate of the existing flat plate type semi-trailer can not be automatically adjusted, and when the vehicle runs under different road conditions, if the height of the flat plate can not be properly adjusted, the condition of supporting the bottom is easily caused, so that the normal running of the vehicle is influenced.
In order to solve the technical problems, the utility model adopts a technical scheme that: the flat plate height control device of the large equipment transportation semitrailer comprises a semitrailer body and a lifting vehicle plate arranged at the top of the semitrailer body, wherein a movable rear axle is arranged at the bottom of the lifting vehicle plate, one end, far away from the semitrailer body, of the movable rear axle is rotatably connected with a folding crawling ladder, and one end, far away from the semitrailer body, of the lifting vehicle plate is rotatably connected with a rotating support plate;
a plurality of groups of lifting limiting mechanisms are arranged between the lifting vehicle plate and the movable rear axle, and each lifting limiting mechanism comprises a positioning column and a limiting column;
the bottom fixedly connected with of lift sweep two sets of first rotation support and third rotation support, two the bottom of first rotation support all rotates and is connected with lift adjustment piece, the equal fixedly connected with in both ends is a set of stopper corresponding with lift adjustment piece around removing the rear axle top, two the equal fixedly connected with second rotation support of one end of lift adjustment piece, two the center of third rotation support all rotates and is connected with the lift adjustment cylinder corresponding with lift adjustment piece.
Preferably, the semitrailer body and the lifting vehicle plate are of an integrated structure, and the semitrailer body and the lifting vehicle plate of the integrated structure are simple in overall structure and high in strength.
Preferably, the lifting vehicle plate and the movable rear axle are designed in a split structure, and the lifting vehicle plate and the movable rear axle designed in the split structure are simple in structure and convenient to assemble and disassemble.
Preferably, the multiple groups of lifting limiting mechanisms are distributed at the corners between the lifting vehicle plate and the movable rear axle, and the multiple groups of lifting limiting mechanisms distributed at the corners between the lifting vehicle plate and the movable rear axle can play a lifting limiting role.
Preferably, the positioning column is of a hollow structure, and the bottom end of the limiting column extends to the center of the positioning column, so that the positioning column and the limiting column can be utilized to transversely limit the lifting vehicle plate and the movable rear axle.
Preferably, the positioning column and the limiting column are respectively welded and fixed at the top of the movable rear axle and the bottom of the lifting vehicle plate, so that the whole structure is simpler and firmer.
Preferably, it is two sets of the stopper all is symmetrical formula structural design, and two lift adjustment pieces all are located and correspond between a set of stopper, and two sets of stoppers that are symmetrical formula structural design can play limiting displacement to two lift adjustment pieces.
Preferably, the piston rod of the lifting adjusting cylinder is rotatably connected with the second rotating support, so that the lifting adjusting cylinder can drive the lifting adjusting block to rotate when stretching, the height between the lifting vehicle plate and the movable rear axle is adjusted by the lifting adjusting block, and the ground clearance adjustment of the whole semi-trailer body is realized.
The utility model has the following beneficial effects:
1. by designing the lifting limiting mechanism and the hydraulic lifting adjusting mechanism, the utility model can limit the lifting vehicle plate and the movable rear axle, and can realize the height adjustment of the whole semi-trailer body from the ground, the operation is convenient and quick, and the working efficiency is greatly improved;
2. according to the utility model, by designing the simple lifting adjusting block, because the distances from the two supporting surfaces of the lifting adjusting block to the first rotating bracket are different, the heights between the lifting vehicle plate and the mobile rear axle can be correspondingly changed when the lifting adjusting block switches different supporting surfaces, so that the ground clearance of the whole semi-trailer body is adjusted;
3. the utility model has simple structure and convenient assembly and disassembly by designing the simple split type lifting vehicle plate and the mobile rear axle.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a schematic structural view of the lift stop mechanism of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. a semi-trailer body; 2. lifting the sweep; 3. moving the rear axle; 4. the ladder stand is folded; 5. rotating the support plate; 6. a lifting limiting mechanism; 601. a positioning column; 602. a limiting column; 7. a first rotating bracket; 8. a lifting adjusting block; 9. a limiting block; 10. a second rotating bracket; 11. a third rotating bracket; 12. and a lifting adjusting cylinder.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 and 2, the flat bed height control device for the large equipment transportation semitrailer comprises a semitrailer body 1 and a lifting vehicle plate 2 arranged on the top of the semitrailer body 1, wherein a movable rear axle 3 is arranged at the bottom of the lifting vehicle plate 2, one end, far away from the semitrailer body 1, of the movable rear axle 3 is rotatably connected with a folding ladder stand 4, and one end, far away from the semitrailer body 1, of the lifting vehicle plate 2 is rotatably connected with a rotating support plate 5; the semi-trailer body 1 and the lifting vehicle plate 2 are of an integrated structure, and the semi-trailer body 1 and the lifting vehicle plate 2 of the integrated structure are simple in overall structure and high in strength; the lifting vehicle plate 2 and the movable rear axle 3 are in split structural design, and the lifting vehicle plate 2 and the movable rear axle 3 in split structural design are simple in structure and convenient to assemble and disassemble.
As shown in fig. 2, a plurality of sets of lifting limiting mechanisms 6 are arranged between the lifting vehicle plate 2 and the movable rear axle 3, and each lifting limiting mechanism 6 comprises a positioning column 601 and a limiting column 602; the positioning column 601 is a hollow structure, and the bottom end of the limiting column 602 extends to the center of the positioning column 601, so that the positioning column 601 and the limiting column 602 can be used for transversely limiting the lifting vehicle plate 2 and the movable rear axle 3; the positioning column 601 and the limiting column 602 are respectively welded and fixed on the top of the mobile rear axle 3 and the bottom of the lifting vehicle plate 2, so that the whole structure is simpler and firmer; the multiple groups of lifting limiting mechanisms 6 are uniformly distributed at the corners between the lifting vehicle plate 2 and the movable rear axle 3, and the multiple groups of lifting limiting mechanisms 6 distributed at the corners between the lifting vehicle plate 2 and the movable rear axle 3 can play a role in lifting limiting.
As shown in fig. 3, two groups of first rotating brackets 7 and third rotating brackets 11 are fixedly connected to the bottom of the lifting car plate 2, the bottoms of the two first rotating brackets 7 are rotatably connected with lifting adjusting blocks 8, a group of limiting blocks 9 corresponding to the lifting adjusting blocks 8 are fixedly connected to the front end and the rear end of the top of the movable rear axle 3, one end of each of the two lifting adjusting blocks 8 is fixedly connected with a second rotating bracket 10, and the centers of the two third rotating brackets 11 are rotatably connected with lifting adjusting cylinders 12 corresponding to the lifting adjusting blocks 8; the two groups of limiting blocks 9 are symmetrically designed, the two lifting adjusting blocks 8 are located between the corresponding group of limiting blocks 9, and the two groups of limiting blocks 9 which are symmetrically designed can limit the two lifting adjusting blocks 8; the piston rod of the lifting adjusting cylinder 12 is rotatably connected with the second rotating support 10, so that the lifting adjusting cylinder 12 can drive the lifting adjusting block 8 to rotate when stretching, the lifting adjusting block 8 is used for adjusting the height between the lifting vehicle plate 2 and the movable rear axle 3, and the ground clearance of the whole semi-trailer body 1 is adjusted.
When the semi-trailer is used, the lifting adjusting block 8 can be driven to rotate by controlling the extension and retraction of the piston rod of the lifting adjusting cylinder 12, the height between the lifting vehicle plate 2 and the movable rear axle 3 can be correspondingly changed when the lifting adjusting block 8 switches different supporting surfaces due to different distances between two supporting surfaces of the lifting adjusting block 8 and the first rotating bracket 7, so that the ground clearance of the whole semi-trailer body 1 is adjusted, a plurality of groups of lifting limiting mechanisms 6 are arranged between the lifting vehicle plate 2 and the movable rear axle 3, and the plurality of groups of lifting limiting mechanisms 6 distributed at the corners between the lifting vehicle plate 2 and the movable rear axle 3 can play a role in limiting the lifting.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a large equipment transportation semitrailer flat bed height control device, includes semitrailer body (1), its characterized in that: the lifting car plate (2) is arranged at the top of the semi-trailer body (1), the bottom of the lifting car plate (2) is provided with a movable rear axle (3), one end, far away from the semi-trailer body (1), of the movable rear axle (3) is rotatably connected with a folding ladder stand (4), and one end, far away from the semi-trailer body (1), of the lifting car plate (2) is rotatably connected with a rotating supporting plate (5);
a plurality of groups of lifting limiting mechanisms (6) are arranged between the lifting vehicle plate (2) and the movable rear axle (3), and each lifting limiting mechanism (6) comprises a positioning column (601) and a limiting column (602);
two sets of first rotation support (7) of bottom fixedly connected with of lift sweep (2) and third rotate support (11), two the bottom of first rotation support (7) all rotates and is connected with lift adjustment piece (8), the equal fixedly connected with in both ends is a set of stopper (9) corresponding with lift adjustment piece (8), two around removing rear axle (3) top the equal fixedly connected with in one end of lift adjustment piece (8) second rotates support (10), two the center of third rotation support (11) all rotates and is connected with lift adjustment cylinder (12) corresponding with lift adjustment piece (8).
2. The large equipment transportation semitrailer platform height control device according to claim 1, characterized in that: the semi-trailer body (1) and the lifting vehicle plate (2) are of an integrated structure.
3. The large equipment transportation semitrailer platform height control device according to claim 1, characterized in that: the lifting vehicle plate (2) and the movable rear axle (3) are designed in a split structure.
4. The large equipment transportation semitrailer platform height control device according to claim 1, characterized in that: the multiple groups of lifting limiting mechanisms (6) are uniformly distributed at the corners between the lifting vehicle plate (2) and the movable rear axle (3).
5. The large equipment transportation semitrailer platform height control device according to claim 1, characterized in that: the positioning column (601) is of a hollow structure, and the bottom end of the limiting column (602) extends to the center of the positioning column (601).
6. The large equipment transportation semitrailer platform height control device according to claim 5, characterized in that: and the positioning column (601) and the limiting column (602) are respectively welded and fixed at the top of the movable rear axle (3) and the bottom of the lifting vehicle plate (2).
7. The large equipment transportation semitrailer platform height control device according to claim 1, characterized in that: two sets of stopper (9) all are symmetrical formula structural design, and two lift adjustment piece (8) all are located and correspond between a set of stopper (9).
8. The large equipment transportation semitrailer platform height control device according to claim 1, characterized in that: and a piston rod of the lifting adjusting cylinder (12) is rotationally connected with the second rotating bracket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122280616.7U CN216153892U (en) | 2021-09-22 | 2021-09-22 | Flat-bed height control device of large equipment transportation semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122280616.7U CN216153892U (en) | 2021-09-22 | 2021-09-22 | Flat-bed height control device of large equipment transportation semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216153892U true CN216153892U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122280616.7U Active CN216153892U (en) | 2021-09-22 | 2021-09-22 | Flat-bed height control device of large equipment transportation semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216153892U (en) |
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2021
- 2021-09-22 CN CN202122280616.7U patent/CN216153892U/en active Active
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