Semi-independent steel plate spring suspension structure with impulse load buffering function

Abstract

Disclosed is a semi-independent plate spring suspension structure with the impulse load buffering function. According to the structure, each suspension assembly comprises a steering knuckle, four main steel plates and four connecting rods, wherein two quadrangular mechanisms are composed of the steering knuckle, the main steel plates and the connecting rods, the first quadrangular mechanism and the second quadrangular mechanism are symmetric about the center horizontal plane of the steering knuckle, and the steering knuckle is excessively constrained by the four main steel plates. Each suspension assembly further comprises eight auxiliary steel plates, wherein four branched chains are composed of the eight auxiliary steel plates and the four main steel plates, and each main steel plate and the corresponding auxiliary steel plate are constrained and positioned through a steel clamp. According to the semi-independent plate spring suspension structure, the steering knuckles are excessively constrained by the quadrangular mechanisms, lateral rigidity of the semi-independent plate spring suspension structure is greatly improved, and the deformation resistant capacity and the lateral rollover resistant capacity of thesemi-independent plate spring suspension structure are greatly improved; compared with a non-independent suspension used on a vehicle, the out-extending portion of an axle can be greatly shortened, the dead weight of a suspension is reduced, reliability is improved, and service life is prolonged.

Description

technical field [0001] The invention relates to a suspension structure that can be widely used in medium and heavy-duty vehicles, in particular to a semi-independent suspension structure for multi-axle heavy-duty vehicles using leaf springs. Background technique [0002] Suspension is an important part connecting the wheel and the body. Its main function is to transfer the vertical reaction force, longitudinal reaction force, lateral reaction force and moment acting on the wheel to the frame to ensure the normal driving of the vehicle. Since the performance of the suspension largely determines the ride comfort, handling stability and driving safety of the vehicle, various automobile manufacturers compete to improve the performance of the suspension. Although the specific structures of various suspensions are different, they are divided into non-independent suspensions and independent suspensions according to whether the vibrations excited by the left and right wheels on unev...

AI Technical Summary

Problems solved by technology

The reason why air springs have not been widely used in my country is that the overload performance is not good, coupled with the high price and inconvenient maintenance, the fierce competition in the logistics industry and the meager profits, so they have not been accepted by customers, and they can only be used for special goods such as precision instruments and electronic equipment. used in transportation

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