CN220785610U - Trailer with hydraulic folding cat ladder - Google Patents
Trailer with hydraulic folding cat ladder Download PDFInfo
- Publication number
- CN220785610U CN220785610U CN202322785522.4U CN202322785522U CN220785610U CN 220785610 U CN220785610 U CN 220785610U CN 202322785522 U CN202322785522 U CN 202322785522U CN 220785610 U CN220785610 U CN 220785610U
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- China
- Prior art keywords
- plate
- ladder
- fixedly connected
- trailer
- ladder plate
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- 241000282326 Felis catus Species 0.000 title claims description 21
- 239000000872 buffer Substances 0.000 claims abstract description 41
- 230000009194 climbing Effects 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 20
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000011535 reaction buffer Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Vehicle Step Arrangements And Article Storage (AREA)
- Ladders (AREA)
Abstract
The utility model provides a trailer with a hydraulic folding ladder, which comprises a trailer body, wherein a first connecting seat is fixedly connected with the front side and the rear side of the top of one end face of the trailer body, a connecting ladder plate is rotatably connected inside the first connecting seat, the other end of the connecting ladder plate is rotatably connected with a climbing ladder plate through a hinge piece, a third connecting seat is fixedly connected with the front side and the rear side of the bottom of one end face of the trailer body, a fixing seat is fixedly connected with the other end of the bottom of the connecting ladder plate, the trailer with the hydraulic folding ladder is abutted against the surface of the connecting ladder plate through the influence of inertia and gravity when the connecting ladder plate rolls down, the buffer cushion is connected with the surface of the connecting ladder plate through a buffer plate, a pull rod and a sliding plate, the elastic force of the spring acts against the buffer plate, the buffer cushion buffers the connecting ladder plate when the connecting ladder plate rolls down, the connecting ladder plate is folded and positioned, the protection between the trailer body and the connecting ladder plate is improved, and the service life of the connecting ladder plate is prolonged.
Description
Technical Field
The utility model relates to the technical field of trailer crawling ladders, in particular to a trailer with a hydraulic folding crawling ladder.
Background
Along with the increasingly strong market competition of the transportation industry, the types of trailers are increasingly subdivided, one important category is the flat trailer for specialized transportation of engineering machinery, and a cat ladder is arranged at the tail part of a chassis in order to facilitate the transportation of engineering machinery with large weight and volume.
Semitrailer is a common transport vechicle now, at daily loading and unloading in-process, can not avoid using the cat ladder when the goods is too high, but current area hydraulic pressure folding cat ladder's trailer, after folding completion, the cat ladder is owing to inertia and cat ladder self gravity influence, and after the cat ladder upset exceeded 90, there was the shake of certain range when the location, long-time folding release, the articulated department of cat ladder and trailer, wear and tear seriously and appear damaging not hard up easily, shortens the life of cat ladder.
Therefore, there is a need to provide a new trailer with a hydraulic folding ladder to solve the above-mentioned technical problems.
Disclosure of Invention
The utility model provides a trailer with a hydraulic folding cat ladder, which solves the technical problems that after the folding is completed, the cat ladder has shaking with a certain amplitude due to the influence of inertia and gravity of the cat ladder, and the hinge joint of the cat ladder and the trailer is easy to wear and seriously damage and loosen.
In order to solve the technical problems, the trailer with the hydraulic folding ladder comprises a trailer body, wherein a first connecting seat is fixedly connected to the front side and the rear side of the top of one end face of the trailer body, a connecting ladder plate is rotatably connected to the inside of the first connecting seat, and a climbing ladder plate is rotatably connected to the other end of the connecting ladder plate through a hinge piece;
The front side and the rear side of the bottom of one end face of the vehicle body are fixedly connected with a third connecting seat, the other end of the bottom of the connecting ladder plate is fixedly connected with a fixing seat, and a first hydraulic cylinder is hinged between the third connecting seat and the fixing seat on the same side;
the automobile body leading flank is provided with the second hydraulic cylinder with the one end of trailing flank is embedded, the vertical fixedly connected with backup pad of outer end of second hydraulic cylinder, the top fixedly connected with of backup pad holds the box, it is provided with the buffer board that can telescopic movement through buffer structure to hold a side of box.
Preferably, the front side and the rear side of an end face bottom of the vehicle body are fixedly connected with a second connecting seat, the outer side face of the climbing ladder plate is fixedly connected with a triangular piece, the other end of the triangular piece is rotationally connected with the other end of the surface of the connecting ladder plate, and a reinforcing rod is hinged between the second connecting seat and the triangular piece on the same side.
Preferably, the climbing ladder plate and the surface of the connecting ladder plate are provided with anti-skidding patterns, and the other end of the climbing ladder plate is provided with a bevel.
Preferably, the buffer structure comprises a sliding plate, the sliding plate can be vertically arranged in the inner cavity of the accommodating box in a sliding manner along the horizontal direction, a plurality of springs are transversely and fixedly connected between the other side surface of the sliding plate and the other side surface of the inner wall of the accommodating box, a plurality of drawing rods are transversely and fixedly connected to one side surface of the sliding plate, the other ends of the drawing rods movably extend to the outer part of the accommodating box, and the buffer plate is vertically and fixedly connected to the other ends of the drawing rods.
Preferably, a cushion pad is fixedly connected to one side surface of the buffer plate.
Preferably, a plurality of reinforcing ribs are fixedly connected between the outer end of the surface of the second hydraulic cylinder and the surface of the supporting plate.
Compared with the related art, the trailer with the hydraulic folding cat ladder has the following beneficial effects:
The utility model provides a trailer with a hydraulic folding ladder, which can drive a connecting ladder plate to turn upwards after being stretched by a first hydraulic oil cylinder, wherein the connecting ladder plate is folded between the climbing ladder plate and the connecting ladder plate in the turning process, when the turning amplitude of the climbing ladder plate exceeds a vertical angle and the connecting ladder plate is turned down under the influence of inertia and gravity, a buffer pad is abutted against the surface of the connecting ladder plate, the buffer plate, a pull rod and a sliding plate are connected, so that the spring can be extruded to shrink to generate elasticity, the elasticity of the spring is counteracted with the buffer plate, the buffer pad buffers the connecting ladder plate in the turning down process, the shaking of the connecting ladder plate after the folding positioning is reduced, the protection between a vehicle body and the connecting ladder plate is improved, the service life of the connecting ladder plate is prolonged, the stability of the connecting ladder plate in the working process is improved, and a reinforcing rod can support and limit the connecting ladder plate in the turning process, so that the connecting ladder plate is smoother and stable in the turning process.
Drawings
FIG. 1 is a schematic view of a trailer with a hydraulic folding ladder according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the car body and the connecting ladder plate shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the vehicle body and the second hydraulic cylinder shown in FIG. 1;
FIG. 4 is a schematic view of the structure of the connecting ladder plate and climbing ladder plate shown in FIG. 1;
fig. 5 is a schematic structural view of the buffering structure shown in fig. 1.
Reference numerals in the drawings: 1. a vehicle body; 2. a first connection base; 3. connecting the ladder plates; 4. a fixing seat; 5. a first hydraulic cylinder; 6. a hinge; 7. climbing the ladder board; 8. triangular pieces; 9. a second connecting seat; 10. a reinforcing rod; 11. anti-skid lines; 12. a bevel opening; 13. a third connecting seat; 14. a second hydraulic cylinder; 15. a support plate; 16. a housing case; 17. reinforcing ribs; 18. a buffer plate; 19. a cushion pad; 20. a sliding plate; 21. a pull rod; 22. and (3) a spring.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a trailer with a hydraulic folding ladder stand according to the present utility model; FIG. 2 is a schematic view of the structure of the car body and the connecting ladder plate shown in FIG. 1; FIG. 3 is a schematic view of the structure of the vehicle body and the second hydraulic cylinder shown in FIG. 1; FIG. 4 is a schematic view of the structure of the connecting ladder plate and climbing ladder plate shown in FIG. 1; fig. 5 is a schematic structural view of the buffering structure shown in fig. 1. The utility model provides a take trailer of folding cat ladder of hydraulic pressure, includes automobile body 1, the equal fixedly connected with first connecting seat 2 of front side and the rear side at an end face top of automobile body 1, and the inside rotation of first connecting seat 2 is connected with and connects ladder board 3, and the other end of connecting ladder board 3 is connected with climbing ladder board 7 through articulated elements 6 rotation.
The front side and the rear side of the bottom of one end face of the vehicle body 1 are fixedly connected with a third connecting seat 13, the other end of the bottom of the connecting ladder plate 3 is fixedly connected with a fixing seat 4, and a first hydraulic cylinder 5 is hinged between the third connecting seat 13 and the fixing seat 4 on the same side.
The front side and the rear side of the vehicle body 1 are internally provided with a second hydraulic cylinder 14, the outer end of the second hydraulic cylinder 14 is vertically and fixedly connected with a supporting plate 15, the top of the supporting plate 15 is fixedly connected with a containing box 16, and one side of the containing box 16 is provided with a buffer plate 18 capable of moving in a telescopic manner through a buffer structure.
In the telescopic process of the second hydraulic cylinder 14, the supporting plate 15 can be driven to move, the accommodating box 16 is driven to move, in the folding process, the accommodating box 16 drives the buffer cushion 19 to move to the folding position of the connecting ladder plate 3 to buffer, after the connecting ladder plate 3 and the climbing ladder plate 7 are released, the second hydraulic cylinder 14 stretches, the accommodating box 16 is driven to leave the outside of the upper part of the vehicle body 1, equipment climbing to the upper part of the vehicle body 1 is facilitated, and blocking is avoided.
The buffer structure comprises a sliding plate 20, the sliding plate 20 can be vertically arranged in the inner cavity of the accommodating box 16 in a sliding manner along the horizontal direction, a plurality of springs 22 are fixedly connected between the other side surface of the sliding plate 20 and the other side surface of the inner wall of the accommodating box 16 in a transverse direction, and a buffer cushion 19 is fixedly connected to one side surface of the buffer plate 18.
A plurality of drawing rods 21 are transversely and fixedly connected to one side surface of the sliding plate 20, the other ends of the drawing rods 21 movably extend to the outside of the accommodating box 16, and the buffer plate 18 is vertically and fixedly connected to the other ends of the drawing rods 21.
After the first hydraulic cylinder 5 stretches, the connecting ladder plate 3 can be driven to turn upwards, the connecting ladder plate 3 is folded between the climbing ladder plate 7 and the connecting ladder plate 3 in the turning process, after the turning amplitude of the climbing ladder plate 7 exceeds the vertical angle, when the connecting ladder plate 3 is turned down under the influence of inertia and gravity, the buffer pad 19 is abutted to the surface of the connecting ladder plate 3, the connecting ladder plate 18, the drawing rod 21 and the sliding plate 20 can be connected, the spring 22 can be extruded to shrink to generate elasticity, the elasticity of the spring 22 is counteracted with the buffer plate 18, and the buffer pad 19 buffers when the connecting ladder plate 3 is turned down.
The shaking of connecting the ladder plate 3 after folding and positioning is reduced, the protection between the vehicle body 1 and the connecting ladder plate 3 is improved, the service life of the connecting ladder plate 3 is prolonged, and the stability of the connecting ladder plate 3 in the working process is improved.
The front side and the rear side of a terminal surface bottom of automobile body 1 are all fixedly connected with second connecting seat 9, and climbing ladder 7's lateral surface fixedly connected with triangle 8, and the other end of triangle 8 rotates with the other end of connecting ladder 3 surface to be connected, articulates between homonymy second connecting seat 9 and the triangle 8 has stiffener 10.
The connecting ladder plate 3 can support and limit the connecting ladder plate 3 in the rotation process of the connecting ladder plate 3 by the reinforcing rod 10 in the folding and releasing process, so that the connecting ladder plate 3 is smoother and more stable in the turning process.
The anti-skid patterns 11 are formed on the surfaces of the climbing stair plates 7 and the connecting stair plates 3, the inclined openings 12 are formed in the other ends of the climbing stair plates 7, the anti-skid patterns 11 improve the friction force of equipment moving on the surfaces of the connecting stair plates 3 and the climbing stair plates 7, the stability of equipment moving is improved, and the interference effect of the other ends of the climbing stair plates 7 and the ground is improved conveniently through the inclined openings 12.
A plurality of reinforcing ribs 17 are fixedly connected between the outer end of the surface of the second hydraulic cylinder 14 and the surface of the supporting plate 15.
The trailer with the hydraulic folding cat ladder provided by the utility model has the following working principle:
After the first hydraulic cylinder 5 stretches, can drive and connect the riser 3 upset and rise, connect riser 3 at the in-process of upset, fold between climbing riser 7 and the connection riser 3, climb behind riser 7 upset range exceeding vertical angle, connect riser 3 receive inertia and gravity influence when turning down, buffer 19 contradicts with the surface of connecting riser 3, can extrude spring 22 shrink through the connection of buffer board 18, pull rod 21 and sliding plate 20, can produce elasticity, spring 22's elasticity reaction buffer board 18, buffer 19 then buffers when turning down to connecting riser 3, reduce the shake after the folding location of connection riser 3, improve the protection to between automobile body 1 and the connection riser 3.
Compared with the related art, the trailer with the hydraulic folding cat ladder has the following beneficial effects:
The utility model provides a trailer with a hydraulic folding ladder, which can drive a connecting ladder plate 3 to turn over and lift up after a first hydraulic cylinder 5 stretches, wherein the connecting ladder plate 3 is folded between a climbing ladder plate 7 and the connecting ladder plate 3 in the turning process, after the turning amplitude of the climbing ladder plate 7 exceeds a vertical angle, when the connecting ladder plate 3 is turned down under the influence of inertia and gravity, a buffer pad 19 is abutted against the surface of the connecting ladder plate 3, the buffer plate 18, a pull rod 21 and a sliding plate 20 are connected, namely, a compression spring 22 can be contracted to generate elastic force, the elastic force of the spring 22 is counteracted with the buffer plate 18, the buffer pad 19 buffers the turning down of the connecting ladder plate 3, so that the shaking of the connecting ladder plate 3 after the folding positioning is reduced, the protection between a vehicle body 1 and the connecting ladder plate 3 is improved, the service life of the connecting ladder plate 3 is prolonged, the stability of the connecting ladder plate 3 in the working process is improved, and a reinforcing rod 10 can support and limit the rotating process of the connecting ladder plate 3 in the folding release process, so that the connecting ladder plate 3 can be more stable in the turning down process.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The trailer with the hydraulic folding ladder stand comprises a trailer body (1), and is characterized in that a first connecting seat (2) is fixedly connected to the front side and the rear side of the top of one end face of the trailer body (1), a connecting ladder plate (3) is rotatably connected to the inside of the first connecting seat (2), and a climbing ladder plate (7) is rotatably connected to the other end of the connecting ladder plate (3) through a hinge piece (6);
The front side and the rear side of the bottom of one end face of the vehicle body (1) are fixedly connected with a third connecting seat (13), the other end of the bottom of the connecting ladder plate (3) is fixedly connected with a fixing seat (4), and a first hydraulic cylinder (5) is hinged between the third connecting seat (13) and the fixing seat (4) on the same side;
The automobile body (1) front side and the one end of trailing flank are embedded to be provided with second hydraulic cylinder (14), the vertical fixedly connected with backup pad (15) of outer end of second hydraulic cylinder (14), the top fixedly connected with of backup pad (15) holds box (16), hold one side of box (16) and be provided with buffer board (18) that can flexible removal through buffer structure.
2. The trailer with the hydraulic folding ladder stand according to claim 1, wherein a second connecting seat (9) is fixedly connected to the front side and the rear side of the bottom of one end face of the vehicle body (1), a triangular piece (8) is fixedly connected to the outer side face of the climbing ladder plate (7), the other end of the triangular piece (8) is rotatably connected with the other end of the surface of the connecting ladder plate (3), and a reinforcing rod (10) is hinged between the second connecting seat (9) and the triangular piece (8) on the same side.
3. The trailer with the hydraulic folding ladder according to claim 1, characterized in that anti-slip patterns (11) are formed on the surfaces of the climbing ladder plate (7) and the connecting ladder plate (3), and a bevel (12) is formed at the other end of the climbing ladder plate (7).
4. The trailer with the hydraulic folding cat ladder according to claim 1, characterized in that the buffer structure comprises a sliding plate (20), the sliding plate (20) can be vertically arranged in the inner cavity of the accommodating box (16) in a sliding manner along the horizontal direction, a plurality of springs (22) are transversely fixedly connected between the other side surface of the sliding plate (20) and the other side surface of the inner wall of the accommodating box (16), a plurality of drawing rods (21) are transversely fixedly connected to one side surface of the sliding plate (20), the other end of the drawing rods (21) movably extends to the outer part of the accommodating box (16), and the buffer plate (18) is vertically fixedly connected to the other end of the drawing rods (21).
5. Trailer with a hydraulic folding cat ladder according to claim 4, characterized in that a cushion pad (19) is fixedly connected to one side of the cushion plate (18).
6. The trailer with the hydraulic folding cat ladder according to claim 1, characterized in that a plurality of reinforcing ribs (17) are fixedly connected between the outer end of the surface of the second hydraulic cylinder (14) and the surface of the supporting plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322785522.4U CN220785610U (en) | 2023-10-16 | 2023-10-16 | Trailer with hydraulic folding cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322785522.4U CN220785610U (en) | 2023-10-16 | 2023-10-16 | Trailer with hydraulic folding cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220785610U true CN220785610U (en) | 2024-04-16 |
Family
ID=90633295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322785522.4U Active CN220785610U (en) | 2023-10-16 | 2023-10-16 | Trailer with hydraulic folding cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220785610U (en) |
-
2023
- 2023-10-16 CN CN202322785522.4U patent/CN220785610U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |