Axle suspension system for multi-axle wheeled vehicles with high adjustment travel

Abstract

The invention discloses an axle suspension system of a multi-axle wheeled vehicle with a high adjustment stroke. It comprises a vehicle frame and a vehicle axle. In the suspension structure, the upper end of the hydraulic cylinder is supported on the bottom of the frame, the lower end is supported on the side of the axle, and the position of the lower end of the hydraulic cylinder is lower than the height of the axle axis. The hydraulic cylinder of the present invention is not directly supported above the axle, but is supported on the side of the axle, so as to ensure that the hydraulic cylinder has a larger size and stroke, so that the axle has a higher adjustment stroke in the vertical height. When all axles of multi-axle wheeled vehicles adopt this structure, they have good adaptive ability to the road surface, which greatly improves the driving and passing efficiency of the vehicle on the rough road.

Description

technical field [0001] The invention relates to the technical field of engineering vehicles, in particular to an axle suspension system of a multi-axle wheeled vehicle with a high adjustment stroke. Background technique [0002] Large-tonnage cranes operate in a wide range of areas, and most of them are located in complex terrain areas such as mountains, hills, and grasslands. In these occasions, the road surface is undulating, and the requirements for the vehicle's heavy-load state transition and climbing ability are high. [0003] The current large-tonnage crane adopts a 5-9-axle integral rigid chassis, the body is long, and the drive shafts are arranged on the front axles of the vehicle. On mountain roads with steep up and down slopes and small lead slopes, some drive shafts are prone to appear. Suspended in the air, the problem of insufficient power provided by the remaining drive shafts seriously affects the performance of the whole machine on mountain roads and reduces...

AI Technical Summary

Problems solved by technology

Patent Document 3 (CN106698210B) a modular flexible chassis, its application and its crane. The chassis is composed of multiple modules with different functions. Different combinations and connection methods are used between the modules to realize the flexibility and modularization of the body. Strong adaptability to the ground, but obviously, its cost is much higher than that of conventional rigid chassis

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