CN220243069U - Cat ladder for cabin grid type transportation semitrailer - Google Patents
Cat ladder for cabin grid type transportation semitrailer Download PDFInfo
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- CN220243069U CN220243069U CN202321939841.XU CN202321939841U CN220243069U CN 220243069 U CN220243069 U CN 220243069U CN 202321939841 U CN202321939841 U CN 202321939841U CN 220243069 U CN220243069 U CN 220243069U
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- fixedly connected
- ladder
- vehicle
- semitrailer
- skid
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000009193 crawling Effects 0.000 claims abstract 13
- 241000282326 Felis catus Species 0.000 claims description 34
- 238000005728 strengthening Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 10
- 230000008093 supporting effect Effects 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model discloses a crawling ladder for a bin gate type transportation semi-trailer, which relates to the technical field of crawling ladders and comprises a bin gate type transportation semi-trailer, wherein the right end of the bin gate type transportation semi-trailer is fixedly connected with a fixed frame, the inner side of the right end of the fixed frame is fixedly connected with a hinged rotating shaft, the outer wall of the hinged rotating shaft is rotationally connected with a vehicle crawling ladder, the bottom of the right end of the vehicle crawling ladder is fixedly connected with an anti-skid steel plate, and the bottom of the fixed frame is fixedly connected with a hydraulic cylinder. According to the utility model, the crawling ladder cross beam fixedly connected between the crawling ladder and the crawling ladder connecting beam for the vehicle can slide on the crawling ladder cross beam and the crawling ladder connecting beam when goods are loaded and unloaded up and down, so that the vehicle such as the handcart is transported into the cabin-grid type transport semi-trailer, and the antiskid bump fixedly connected with the surface of the crawling ladder cross beam plays an antiskid role when the goods are loaded and unloaded up and down on the handcart, and when the upper surface of the vehicle crawling ladder is subjected to the gravity when the goods are loaded and unloaded up and down on the handcart.
Description
Technical Field
The utility model relates to the technical field of ladders, in particular to a ladder for a warehouse grid type transportation semitrailer.
Background
The semitrailer is used as a conveying device, plays an important role in various fields, and when cargoes such as a warehouse grid type conveying semitrailer conveying vehicle are conveyed, two groups of ladders are needed to be used generally, the two groups of ladders are hinged to the rear end of the semitrailer respectively and driven to rotate by a hydraulic cylinder, and cargoes such as a forklift, a forklift and a handcart are directly moved onto the semitrailer from the ground behind the semitrailer up and down through the ladders.
For example, chinese patent publication No. CN212579715U discloses a ladder device for semitrailer, a ladder device for semitrailer includes parts such as cat ladder longeron, cat ladder crossbeam, extension longeron, extension hydraulic cylinder, U type frame, support hydraulic cylinder, through parts such as extension longeron, extension hydraulic cylinder, realize the adjustment of the whole length of cat ladder, guarantee on uneven ground can make the inclination of two sets of cat ladders the same, avoid appearing the slope problem of transported vehicle, through parts such as U type frame, support hydraulic cylinder, realize the effective support to the cat ladder, higher stability has when guaranteeing transported vehicle through the cat ladder.
The following problems exist in the prior art:
the existing ladder stand device has the defects that the support structure in the middle of a ladder stand longitudinal beam is poor in support strength, so that the middle of the ladder stand longitudinal beam is easy to bend and deform under the long-time action of cargoes such as vehicles, and the anti-skid effect is poor; when the ground is uneven, the component force support is inconvenient for the goods such as the vehicle passing by the vehicle ladder.
Disclosure of Invention
The utility model provides a ladder stand for a warehouse grid type transport semi-trailer, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a cat ladder for storehouse bars formula transportation semitrailer, includes storehouse bars formula transportation semitrailer, the right-hand member fixedly connected with fixed frame of storehouse bars formula transportation semitrailer, the inboard fixedly connected with of fixed frame right-hand member articulates the pivot, the outer wall rotation of articulated pivot is connected with automobile-used cat ladder, the bottom fixedly connected with antiskid steel sheet of automobile-used cat ladder right-hand member, the bottom fixedly connected with pneumatic cylinder of fixed frame.
The bottom symmetry fixedly connected with support column of automobile-used cat ladder, the middle part fixedly connected with cat ladder tie-beam of automobile-used cat ladder, equal fixedly connected with cat ladder crossbeam between the both sides of cat ladder tie-beam and the inboard of automobile-used cat ladder.
The power end fixedly connected with fixed plate of pneumatic cylinder, the recess has been seted up to the bottom of fixed plate, the slide hole has been seted up at the top of recess, the cavity has been seted up at the top of slide hole, the roof fixedly connected with spring of cavity.
The technical scheme of the utility model is further improved as follows: the top of cat ladder crossbeam is fixed mounting has the skid proof block, the skid proof block is nine groups of rectangular array distribution along the top of cat ladder crossbeam, skid proof steel ball piece is fixed mounting in the bottom of skid proof steel sheet.
The technical scheme of the utility model is further improved as follows: the bottom fixedly connected with bottom plate of support column, two equal fixedly connected with reinforcing steel plate of one side that the support column is relative, reinforcing steel plate's the other end and the bottom fixed connection of cat ladder tie-beam.
The technical scheme of the utility model is further improved as follows: eleven groups of grooves are distributed in a rectangular array along the bottom of the fixing plate, and the bottom wall of the spring is fixedly connected with a limiting slide block.
The technical scheme of the utility model is further improved as follows: the two ends of the limiting slide block are in sliding connection with two side walls of the cavity, and the bottom of the limiting slide block is fixedly connected with a connecting column.
The technical scheme of the utility model is further improved as follows: the connecting column is in sliding connection with the sliding hole, and an anti-slip pad is fixedly connected to the bottom of the connecting column.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
the utility model provides a ladder for a warehouse grating type transportation semitrailer, which adopts a support column, a bottom plate, a reinforced steel plate, a ladder beam and skid-proof blocks to be matched with each other, and through the ladder beam fixedly connected between a vehicle ladder and a ladder connecting beam, a trolley and the like can slide on the ladder beam and the ladder connecting beam when loading and unloading cargoes up and down, so that the trolley and the like are transported into the warehouse grating type transportation semitrailer, the skid-proof blocks fixedly connected with the surfaces of the ladder beam play a role of skid resistance when loading and unloading cargoes up and down on the trolley and the like, when the upper surface of the vehicle ladder receives the gravity of the trolley and the like when loading and unloading cargoes up and down, the middle part of the vehicle ladder is supported through the support column and the bottom plate, the strength of the vehicle ladder is improved, the middle part of the vehicle ladder is reduced under the influence of the gravity of the trolley and the like and deformed condition of the trolley and the like, and simultaneously the support strength of the support column is improved through the reinforced steel plate, the skid-proof effect of the skid-proof steel plate and the skid-proof steel ball block on the ground is convenient for loading and unloading cargoes up and down.
The utility model provides a ladder stand for a cabin-grid type transportation semi-trailer, which adopts the mutual matching among a hydraulic cylinder, a fixed plate, an anti-slip pad, a connecting column, a limit sliding block and a spring, wherein the fixed plate is driven to move downwards by starting the hydraulic cylinder, so that the bottom of the fixed plate is tightly attached to the ground, when the ground is uneven, the connecting column slides upwards on the inner wall of a sliding hole, the connecting column drives the limit sliding block to slide upwards on the inner wall of a cavity to squeeze the spring, under the elastic force of the spring, the limit sliding block and the connecting column provide elastic support for the anti-slip pad, so that the bottom of the anti-slip pad enters the cavity of the groove, and the anti-slip pad is tightly attached to the uneven ground, thereby being convenient for supporting the junction of a fixed frame and the cabin-grid type transportation semi-trailer, being convenient for playing the role of component force support for vehicles such as a trolley passing through the ladder stand, and ensuring that the cabin-grid type transportation semi-trailer can stably enter the cabin-trailer when loading and unloading cargoes up and down, so as to ensure that the cabin-grid type transportation semi-trailer can be stably placed on the uneven ground.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of a fixing frame according to the present utility model;
FIG. 3 is a right-side view of the ladder stand for a vehicle according to the present utility model;
FIG. 4 is a right side view of the fixing frame of the present utility model;
fig. 5 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. cabin-grid type transport semi-trailer; 2. a fixed frame; 21. a rotating shaft is hinged; 3. vehicle ladder stand; 31. ladder stand connecting beam; 32. a ladder beam; 33. an anti-slip bump; 4. a hydraulic cylinder; 41. a fixing plate; 411. a groove; 412. a slide hole; 413. a cavity; 414. a spring; 415. a limit sliding block; 416. a connecting column; 417. an anti-slip pad; 5. a support column; 51. a bottom plate; 52. reinforcing the steel plate; 6. an anti-slip steel plate; 61. an anti-skid steel ball block.
Description of the embodiments
The utility model is further illustrated by the following examples:
examples
As shown in fig. 1-5, the utility model provides a ladder stand for a cabin-grating transport semi-trailer, which comprises a cabin-grating transport semi-trailer 1, wherein the right end of the cabin-grating transport semi-trailer 1 is fixedly connected with a fixed frame 2, the inner side of the right end of the fixed frame 2 is fixedly connected with a hinged rotating shaft 21, the outer wall of the hinged rotating shaft 21 is rotationally connected with a vehicle ladder 3, the bottom of the right end of the vehicle ladder 3 is fixedly connected with an anti-skid steel plate 6, the bottom of the fixed frame 2 is fixedly connected with a hydraulic cylinder 4, the bottom of the vehicle ladder 3 is symmetrically and fixedly connected with a support column 5, the middle part of the vehicle ladder 3 is fixedly connected with a ladder connecting beam 31, ladder beams 32 are fixedly connected between the two sides of the ladder connecting beam 31 and the inner side of the vehicle ladder 3, the power end of the hydraulic cylinder 4 is fixedly connected with a fixed plate 41, the bottom of the fixed plate 41 is provided with a groove 411, the top of the groove 411 is provided with a sliding hole 412, the top of the sliding hole 412 is provided with a cavity 413, and the top wall of the cavity 413 is fixedly connected with a spring 414.
In this embodiment, closely laminate with ground through anti-skidding steel sheet 6, start pneumatic cylinder 4 simultaneously and drive fixed plate 41 and move down, make the bottom and the ground of fixed plate 41 closely laminate, when the unsmooth level on ground, connecting column 416 upwards slides on the slide hole 412 inner wall, connecting column 416 drives spacing slider 415 upwards slide extrusion spring 414 on cavity 413 inner wall, under spring force effect of spring 414, provide elastic support for slipmat 417 through spring 414, spacing slider 415 and connecting column 416, make the bottom of slipmat 417 get into recess 411 inner chamber, thereby make the inseparable laminating of slipmat 417 and unsmooth ground, thereby be convenient for support the junction with the steel sheet that is convenient for play component support's effect to vehicles such as trolley through trolley ladder 3, make trolley etc. slide on ladder crossbeam 32 and ladder tie-beam 31 when loading and unloading goods, thereby transport trolley etc. inside to cabin grid type transport semi-trailer 1, the effect of anti-skidding lug 33 fixed connection's such as trolley etc. is gone up and down through trolley 32 surface and is gone up and down when trolley 3 receives the steel sheet 3 and is carried out of the effect of carrying out by the upper and lower trolley, and the trolley is carried out the effect of supporting steel sheet 3 when trolley 3 is carried out by the up and is improved by the trolley and is carried out the up and is carried out by the trolley and is convenient for the trolley and is carried down, the trolley is 3 and is carried by the trolley and is 5.
Examples
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top of the cat ladder crossbeam 32 is fixedly provided with the anti-skid convex blocks 33, the anti-skid convex blocks 33 are distributed in a rectangular array along the top of the cat ladder crossbeam 32, the bottoms of the anti-skid steel plates are fixedly provided with the anti-skid steel ball blocks 61, the bottoms of the support columns 5 are fixedly connected with the bottom plates 51, one sides of the two support columns 5 opposite to each other are fixedly connected with the reinforced steel plates 52, and the other ends of the reinforced steel plates 52 are fixedly connected with the bottoms of the cat ladder connecting beams 31.
In this embodiment, through the cat ladder crossbeam 32 of fixed connection between the automobile-used cat ladder 3 and the cat ladder tie-beam 31, can slide on cat ladder crossbeam 32 and cat ladder tie-beam 31 when making the goods of car etc. up-and-down, thereby transport car such as handcart to inside the storehouse bars formula transportation semitrailer 1, play skid-proof effect when loading and unloading goods such as to the handcart through the skid-proof lug 33 of cat ladder crossbeam 32 fixed surface connection, gravity when loading and unloading goods such as car on the upper surface of automobile-used cat ladder 3 receives, support the middle part of automobile-used cat ladder 3 through support column 5 and bottom plate 51, improve the intensity of automobile-used cat ladder 3, reduce the circumstances that the middle part received the influence of car gravity such as handcart and warp of automobile-used cat ladder 3, improve the support intensity of support column 5 through reinforcing steel sheet 52 simultaneously, play skid-proof effect to the ground through skid-proof steel sheet 6 and skid-proof steel ball piece 61, can skid on the automobile-used cat ladder 3 surface when being convenient for loading and unloading goods such as handcart.
Examples
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the grooves 411 are distributed eleven groups in rectangular array along the bottom of the fixing plate 41, the bottom wall of the spring 414 is fixedly connected with the limiting slide blocks 415, two ends of the limiting slide blocks 415 are slidably connected with two side walls of the cavity 413, the bottom of the limiting slide blocks 415 is fixedly connected with the connecting columns 416, the connecting columns 416 are slidably connected with the sliding holes 412, and the bottoms of the connecting columns 416 are fixedly connected with the anti-skid pads 417.
In this embodiment, the hydraulic cylinder 4 is started to drive the fixing plate 41 to move downwards, so that the bottom of the fixing plate 41 is tightly attached to the ground, when the ground is uneven, the connecting column 416 slides upwards on the inner wall of the sliding hole 412, the connecting column 416 drives the limit sliding block 415 to slide upwards on the inner wall of the cavity 413 to squeeze the spring 414, under the action of the elasticity of the spring 414, the elastic support is provided for the anti-slip pad 417 through the spring 414, the limit sliding block 415 and the connecting column 416, the bottom of the anti-slip pad 417 enters the inner cavity of the groove 411, and therefore the anti-slip pad 417 is tightly attached to the uneven ground, so that the connection part of the fixing frame 2 and the cabin-grid type transportation semi-trailer 1 is conveniently supported, a component force supporting effect is conveniently achieved on vehicles such as a trolley passing through the vehicle ladder 3, and the cabin-grid type transportation semi-trailer 1 can be stably entered when loading and unloading cargoes up and down, and the cabin-grid type transportation semi-trailer 1 can be stably placed on the uneven ground.
The working principle of the ladder stand for the warehouse grid type transportation semitrailer is specifically described below.
As shown in fig. 1 to 5, the connection between the hinge on the vehicle ladder 3 and the cabin-grid type transport semitrailer 1 is firstly released, a hydraulic cylinder is arranged in the fixed frame 2, the output end of the hydraulic cylinder is rotationally connected with the hinged rotating shaft 21, the hydraulic cylinder in the fixed frame 2 is started to drive the hinged rotating shaft 21 to rotate, thereby the vehicle ladder 3 moves downwards, the anti-skid steel plate 6 is tightly attached to the ground, meanwhile, the hydraulic cylinder 4 is started to drive the fixed plate 41 to move downwards, the bottom of the fixed plate 41 is tightly attached to the ground, when the ground is uneven, the connecting column 416 slides upwards on the inner wall of the sliding hole 412, the limiting slide block 415 slides upwards on the inner wall of the cavity 413 to squeeze the spring 414, under the elastic force of the spring 414, the limiting slide block 415 and the connecting column 416 provide elastic support for the anti-skid pad 417, the bottom of the anti-skid pad 417 enters the inner cavity of the groove 411, the skid-proof pad 417 is tightly attached to the rugged ground, so that the connection part of the fixed frame 2 and the cabin grid type transport semi-trailer 1 is convenient to support, the component force supporting function is convenient to be provided for vehicles such as trolleys passing through the vehicle ladder 3, the trolleys can slide on the ladder beam 32 and the ladder connecting beam 31 when the trolleys are used for loading and unloading cargoes up and down, the vehicles such as the trolleys are transported into the cabin grid type transport semi-trailer 1, the skid-proof function is provided for the vehicles such as the trolleys when the cargoes are loaded and unloaded up and down through the skid-proof convex blocks 33 fixedly connected with the surfaces of the ladder beam 32, when the upper surfaces of the vehicle ladders 3 are subjected to the gravity when the trolleys are loaded and unloaded up and down, the middle parts of the vehicle ladders 3 are supported through the supporting columns 5 and the bottom plates 51, the strength of the vehicle ladders 3 is improved, the conditions that the middle parts of the vehicle ladders 3 are deformed due to the influence of the gravity of the trolleys are reduced, meanwhile, the supporting strength of the supporting column 5 is improved through the reinforced steel plate 52, the anti-slip effect is achieved on the ground through the anti-slip steel plate 6 and the anti-slip steel ball blocks 61, and the surface of the vehicle ladder 3 can be slipped when cargoes are loaded and unloaded up and down, such as a handcart.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a cat ladder for storehouse bars formula transportation semitrailer, includes storehouse bars formula transportation semitrailer (1), its characterized in that: the right end of the bin gate type transportation semitrailer (1) is fixedly connected with a fixed frame (2), the inner side of the right end of the fixed frame (2) is fixedly connected with a hinged rotating shaft (21), the outer wall of the hinged rotating shaft (21) is rotationally connected with a vehicle ladder (3), the bottom of the right end of the vehicle ladder (3) is fixedly connected with an anti-skid steel plate (6), and the bottom of the fixed frame (2) is fixedly connected with a hydraulic cylinder (4);
the bottom of the vehicle ladder (3) is symmetrically and fixedly connected with a support column (5), the middle part of the vehicle ladder (3) is fixedly connected with a ladder connecting beam (31), and ladder cross beams (32) are fixedly connected between two sides of the ladder connecting beam (31) and the inner side of the vehicle ladder (3);
the power end fixedly connected with fixed plate (41) of pneumatic cylinder (4), recess (411) have been seted up to the bottom of fixed plate (41), slide hole (412) have been seted up at the top of recess (411), cavity (413) have been seted up at the top of slide hole (412), roof fixedly connected with spring (414) of cavity (413).
2. The ladder stand for transporting a semitrailer by a warehouse grid according to claim 1, wherein: the anti-skid steel plate is characterized in that anti-skid bumps (33) are fixedly arranged at the top of the crawling ladder beam (32), the anti-skid bumps (33) are distributed in nine groups in a rectangular array along the top of the crawling ladder beam (32), and anti-skid steel ball blocks (61) are fixedly arranged at the bottom of the anti-skid steel plate.
3. The ladder stand for transporting a semitrailer by a warehouse grid according to claim 1, wherein: the bottom of support column (5) fixedly connected with bottom plate (51), two the equal fixedly connected with of opposite one side of support column (5) strengthen steel sheet (52), the other end of strengthening steel sheet (52) and the bottom fixed connection of cat ladder tie-beam (31).
4. The ladder stand for transporting a semitrailer by a warehouse grid according to claim 1, wherein: eleven groups of grooves (411) are distributed in a rectangular array along the bottom of the fixing plate (41), and the bottom wall of the spring (414) is fixedly connected with a limit sliding block (415).
5. The ladder stand for transporting a semitrailer with a cabin and a grid according to claim 4, wherein: two ends of the limiting slide block (415) are in sliding connection with two side walls of the cavity (413), and a connecting column (416) is fixedly connected to the bottom of the limiting slide block (415).
6. The ladder stand for transporting a semitrailer with a cabin and a grid according to claim 5, wherein: the connecting column (416) is slidably connected with the sliding hole (412), and an anti-slip pad (417) is fixedly connected to the bottom of the connecting column (416).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321939841.XU CN220243069U (en) | 2023-07-24 | 2023-07-24 | Cat ladder for cabin grid type transportation semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321939841.XU CN220243069U (en) | 2023-07-24 | 2023-07-24 | Cat ladder for cabin grid type transportation semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220243069U true CN220243069U (en) | 2023-12-26 |
Family
ID=89230237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321939841.XU Active CN220243069U (en) | 2023-07-24 | 2023-07-24 | Cat ladder for cabin grid type transportation semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220243069U (en) |
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2023
- 2023-07-24 CN CN202321939841.XU patent/CN220243069U/en active Active
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