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Driving cab rollover protection mechanism

A technology for protecting the mechanism and the cab, applied to the superstructure, the superstructure of the truck, transportation and packaging, etc., can solve the problems of the cab turning out of control, casualties, falling off, etc., to avoid the failure of the limit structure and reduce the cost Low, simple structure effect

Inactive Publication Date: 2016-12-07
HUBEI DAYUN AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After many impacts for a long time, there is a risk that the piston of the oil cylinder and the connecting pin between the oil cylinder and the vehicle body will fall off, causing the cab to turn out of control, and continue to turn forward and smash the cab. If there are maintenance personnel in front, it is more likely to cause casualties

Method used

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  • Driving cab rollover protection mechanism
  • Driving cab rollover protection mechanism
  • Driving cab rollover protection mechanism

Examples

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Embodiment Construction

[0015] like figure 1 and figure 2 As shown, a cab overturning protection mechanism includes a lift cylinder connecting arm 1 connected to the cab longitudinal beam, and a turning torsion bar 5, and the connecting arm 1 and the turning torsion bar 5 are connected by welding. The two ends of the overturning torsion bar 5 are respectively provided with a suspension lower support 2, the overturning torsion bar 5 can rotate through the suspension lower support, the suspension lower support 2 is fixed on the vehicle frame by bolts or welding, and the overturning torsion bar Both ends of 5 are provided with a limit arm 3, and the limit arm 3 is fixed on the turning torsion bar 5 through a spline connection or welding; each suspension lower support 2 is provided with a limit block 4 corresponding to the limit arm 3 , the limit block 4 and the suspension lower support 2 are of an integrated structure, and are made by casting; after the limit arm 3 is turned over, the angle formed bet...

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Abstract

The invention discloses a driving cab rollover protection mechanism. The driving cab rollover protection mechanism comprises a rollover torsion bar; each of two ends of the rollover torsion bar is provided with a suspension lower support and a limiting arm; a limiting block is arranged at a position corresponding to each limiting arm on the corresponding suspension lower support; and when limiting is performed, a bottom surface of each limiting arm is attached to a top plane of the corresponding limiting block. A limiting structure formed by the limiting arms and the limiting blocks is simple in structure, and the center of gravity and the structure of a complete vehicle are not influenced. When limiting is performed, the bottom surface of each limiting arm is attached to the top plane of the corresponding limiting block, so that a high load can be borne, and the problem of limiting structure failure caused by the gravity of a driving cab is solved. The driving cab rollover protection mechanism disclosed by the invention is simple in structure, low in cost and high in enforceability, and is suitable for being popularized in large batches.

Description

technical field [0001] The invention relates to the field of cab overturning mechanisms, in particular to a cab overturning protection mechanism. Background technique [0002] At present, the chassis of commercial vehicles in my country generally adopts a flat cab, and the engine is placed under the cab. In order to ensure the installation and maintainability of the engine, all types of commercial vehicle chassis cabs are equipped with cab turning mechanisms. Among them, light commercial vehicles generally adopt torsion bar turning mechanism, and medium and heavy commercial vehicles generally adopt hydraulic lifting mechanism. The hydraulic lifting mechanism can be divided into two types: floating outside the cylinder and floating inside the cylinder according to the connection between the lifting cylinder and the body. In order to increase the turning angle of the cab and improve the threat performance of the power system, the chassis of Dongfeng Tianlong, Dongfeng Hercul...

Claims

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Application Information

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IPC IPC(8): B62D33/067
Inventor 付江华杨珍邓云飞王平田海洲曹纯儒
Owner HUBEI DAYUN AUTOMOBILE
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