Compensated single-trailing-arm hydraulic driving hanging system for engineering vehicle

Abstract

The invention discloses a compensated single-trailing-arm hydraulic driving hanging system for an engineering vehicle. One end of a hanging arm (4) of the hanging system is connected with a wheel edge driving system (6), the other end of the hanging arm (4) is connected with a compensation slide block (2) of a lateral displacement compensation mechanism (11), the compensation slide block (2) and a compensation hydraulic cylinder (1) are mutually connected, the compensation hydraulic cylinder (1) is connected with a whole body hinge, the middle part of the hanging arm (4) is connected with a hanging hydraulic cylinder (5), and the hanging hydraulic cylinder (5) is connected with the vehicle body hinge. The compensation hydraulic cylinder (1) and the hanging hydraulic cylinder (5) are connected with a hydraulic control valve block (9) through a pipeline, and the hydraulic control valve block (9) is connected with a constant-pressure hydraulic oil source (8) through a pipeline. Two hydraulic cylinders are used for driving one hanging arm, a controller is used for controlling the two hydraulic cylinders in real time according to the ground condition or the artificially input parameters, and a hanging wheel shaft moves according to specified requirements. The compensated single-trailing-arm hydraulic driving hanging system has the advantages that the occupied space is small, the regulation quantity of the gap from an underpan to the ground is great, and the like.

Description

technical field [0001] The invention relates to an engineering vehicle suspension system, in particular to an engineering vehicle compensation type single trailing arm hydraulic active suspension system adapted to field complex terrain operations. Background technique [0002] In order to obtain good passability under complex road conditions in the field, the suspension system of engineering vehicles is an important part to improve passability and vehicle stability. Since engineering vehicles usually have many functional systems, the space left for the suspension system is very limited, and the vehicle suspension needs to be adjusted with a large stroke to meet the complex road conditions. The existing suspension structures cannot meet these requirements. Most of the suspension systems of existing engineering vehicles do not have or use the suspension system of the general motor chassis itself, and the suspension systems of the general motor chassis are mostly passive suspen...

AI Technical Summary

Problems solved by technology

Since engineering vehicles usually have many functional systems, the space left for the suspension system is very limited, and the vehicle suspension needs to be adjusted with a large stroke to meet the complex road conditions. The existing suspension structures cannot meet these requirements.

Most of the suspension systems of existing engineering vehicles do not have or use the suspension system of the general motor chassis itself, and the suspension systems of the general motor chassis are mostly passive suspension systems composed of traditional shock absorbers and shock absorbing springs, which leads to Engineering vehicles corresponding to complex road conditions in the field cannot meet sufficient passability and high obstacle-surpassing ability, as well as road adaptability and working stability

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