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Hydraulic crawling ladder

A climbing ladder and hydraulic technology, applied in the direction of vehicles with loading ramps, etc., can solve the problems that cannot meet the use of vehicles with different wheelbases, and the width cannot be adjusted, so as to achieve stability and not easy to shake, reduce safety hazards, and occupy a small volume Effect

Active Publication Date: 2015-11-04
重庆公路运输(集团)有限公司大件分公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the ladder is configured by the original factory and its position is relatively fixed, the distance between the two ladders used to carry the two rows of wheels of the vehicle to be transported is fixed, and the width cannot be adjusted, which cannot meet the needs of vehicles with different wheelbases.

Method used

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Embodiment Construction

[0040] Since the climbing ladder is configured by the original factory and its position is relatively fixed, the distance between the two climbing ladders used to carry the two rows of wheels of the vehicle to be transported is fixed, and the width cannot be adjusted to meet the needs of vehicles with different wheelbases.

[0041] The invention provides a hydraulic climbing ladder, which includes a slide block, a horizontal oil cylinder and two ladders. At least one transverse chute is arranged at the rear end of the car body, and the slide block is slidably embedded in the chute; the horizontal oil cylinder is arranged horizontally, and the horizontal The two ends of the oil cylinder are respectively connected with the car body and the slider and are used to pull the slider to slide in the chute; one end of at least one ladder is hinged to the slider, and a rotating oil cylinder is arranged between the slider and the ladder, and the two ends of the rotating oil cylinder are re...

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Abstract

The invention provides a hydraulic crawling ladder, and belongs to the field of semitrailer low flatbed trailer rear crawling ladders. The hydraulic crawling ladder comprises a slide block, a horizontal oil cylinder and two crawling ladder bodies. The tail end of a trailer body is provided with at least one transverse slide groove. The slide block is embedded in the slide groove in a sliding mode. The horizontal oil cylinder is transversely arranged. The two ends of the horizontal oil cylinder are connected with the trailer body and the slide block respectively, and the horizontal oil cylinder is used for pulling the slide block to slide in the slide groove. One end of at least one crawling ladder body is hinged to the slide block, a rotating oil cylinder is arranged between the slide block and the crawling ladder body, and the two ends of the rotating oil cylinder are hinged to the slide block and one side of the crawling ladder body respectively. By controlling the extension length of the horizontal oil cylinder, the slide block can horizontally slide in the slide groove, the slide block drives the crawling ladder bodies to move, and then the distance between the two crawling ladder bodies becomes larger or smaller, the distance between the two crawling ladder bodies is automatically adjusted according to different transport device requirements, and the hydraulic crawling ladder can be used for vehicles of various types large in tread change.

Description

technical field [0001] The invention relates to the field of rear ladders for low-bed semi-trailers, in particular to hydraulic ladders. Background technique [0002] Low-bed semi-trailers are usually used to transport heavy-duty vehicles (such as tractors, buses, special-purpose vehicles, etc.), rail vehicles, mining machines, forestry machines, road construction machinery, engineering machinery, agricultural machinery and other heavy-duty goods. When it is necessary to use the climbing ladder to make the vehicle to be transported climb the slope and reach the car body. [0003] Since the climbing ladder is configured by the original factory and its position is relatively fixed, the distance between the two climbing ladders used to carry the two rows of wheels of the vehicle to be transported is fixed, and the width cannot be adjusted to meet the needs of vehicles with different wheelbases. Contents of the invention [0004] The invention provides a hydraulic climbing la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60P1/43
Inventor 余国江杨春生梁华卯邹小飞肖腾
Owner 重庆公路运输(集团)有限公司大件分公司
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