Longitudinal arm type independent suspension

Abstract

The invention provides a trailing arm type independent suspension. The suspension comprises an auxiliary frame and two longitudinal arm assemblies which are arranged on the two sides of the auxiliaryframe respectively, and each longitudinal arm assembly is provided with a longitudinal arm body, a hub support unit, a vehicle body connecting unit and a spring support, the hub support unit and the vehicle body connecting unit are connected to the two ends of the longitudinal arm body respectively, and the spring support is arranged between the hub support unit and the vehicle body connecting unit and fixedly connected to one side of the longitudinal arm body. The suspension further comprises a stabilizer bar which is arranged on the auxiliary frame, the two ends of the stabilizer bar are respectively connected with stabilizer bar connecting rods in a spherical hinge mode, and the upper control arm, the lower control arm, the shock absorber and the spiral spring are respectively arrangedcorresponding to the longitudinal arm assemblies on the two sides. According to the trailing arm type independent suspension, the mounting parts are integrated on the hub support unit in the trailingarm assembly, and the spring support is arranged, so that mounting positions can be provided for components such as a spiral spring, a shock absorber, a stabilizer bar connecting rod and a hub bearing, the overall structure of the suspension can be simple, and the weight and the cost of the suspension can be reduced.

Description

technical field [0001] The invention relates to the technical field of automobile suspension, in particular to a trailing arm type independent suspension. Background technique [0002] With the development of automobile technology, people pay more and more attention to vehicle handling stability, driving comfort and driving safety. In order to meet these requirements, multi-link independent suspension has gradually been applied on automobile chassis. At present, the existing independent suspension structures are more commonly used by E-type independent suspension and trailing arm independent suspension. Among them, the E-type multi-link independent suspension mainly consists of four guide rods, steering knuckles, and sub-frames. , a stabilizer bar and a stabilizer bar connecting rod, its structure is complex, the layout space is large, and the cost and weight increase significantly. [0003] Trailing arm type independent suspension is generally mainly composed of trailing a...

AI Technical Summary

Problems solved by technology

At present, the existing independent suspension structures are more commonly used by E-type independent suspension and trailing arm independent suspension. Among them, the E-type multi-link independent suspension mainly consists of four guide rods, steering knuckles, and sub-frames. , stabilizer bar and stabilizer bar connecting rod, its structure is complicated, the layout space is large, and the cost and weight increase significantly

[0003] Trailing arm type independent suspension is generally mainly composed of trailing arm, sub-frame, upper and lower control arms, stabilizer bar and stabilizer bar connecting rod. The adapter bracket, the bush connecting plate and the stabilizer rod connecting rod bracket will not only increase the difficulty of process realization, but also be unfavorable in terms of cost and weight reduction

In addition, the existing trailing arm type independent suspension mostly uses a single bolt connection between the trailing arm and the body. The reliability of the vehicle in special working conditions such as pits is low. At the same time, the lever ratio of the stabilizer bar is insufficient, which affects the vehicle side In addition, the connection points between the subframe and the body are arranged close to each other, which also makes the connection between the subframe and the body vulnerable to concentrated force, which in turn affects the handling stability of the vehicle.

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