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Introduction to trailer suspension

Views: 743     Author: Site Editor     Publish Time: 2022-08-03      Origin: Site

Suspension system is a vehicle system consisting of springs, shock absorbers and connecting rods that connect the vehicle to the wheels. The trailer suspension system adapts the handling and braking of the vehicle for good dynamic safety and driving pleasure, while maintaining the comfort of the owner and the proper isolation of road noise, bounce and vibration.

The following is a list of contents

Various trailer suspension systems

car trailer suspension distinction

independent trailer suspension

Various trailer suspension systems

A typical trailer suspension system structure mainly includes elastic elements, guide mechanisms and shock absorbers. The elastic elements are in the form of leaf springs, air springs, coil springs and torsion bar springs, while modern car trailer suspension systems mostly use coil springs and torsion bar springs, and individual high-end cars use air springs.

What is the structure of a common trailer suspension system? What are the advantages and disadvantages of each? Take a look.

The difference between independent trailer suspension and non-independent trailer suspension

Automobile trailer suspension can be divided into various forms, generally divided into two categories, independent trailer suspension and non-independent trailer suspension. So how to distinguish independent trailer suspension and non-independent trailer suspension?

car trailer suspension distinction

Independent trailer suspension can be simply understood that there is no rigid connection between the left and right wheels for rigid connection, and all the trailer suspension components of one wheel are only connected to the body. Instead of independent trailer suspension, the two wheels are not independent of each other, and there are rigid shafts between them for rigid connection.

From a structural point of view, the independent trailer suspension can have better comfort and handling because there is no interference between the two wheels. Instead of independent trailer suspension, there is a rigid connection between the two wheels, which will interfere with each other, but its structure is simple, and it has better rigidity and passability.

independent trailer suspension

From a structural point of view, the independent trailer suspension can have better comfort and handling because there is no interference between the two wheels. Instead of independent trailer suspension, there is a rigid connection between the two wheels, which will interfere with each other, but its structure is simple, and it has better rigidity and passability.

MacPherson's design is characterized by simple structure, light trailer suspension weight and small footprint, faster response speed and rebound speed, so the shock absorption capacity of the trailer suspension is relatively strong. However, the McPherson structure is simple in structure and light in weight, so the anti-rolling and braking nodding ability is weak, and the stability is poor. At present, MacPherson trailer suspension is mostly used for the front trailer suspension of family cars.

Double wishbone trailer suspension (double A-arm, double wishbone trailer suspension), its structure can be understood as adding one more wishbone on the basis of MacPherson trailer suspension. The upper fork arm of the wheel is connected to the body, the lateral force and longitudinal force of the wheel are both borne by the fork arm, and the vibration damping mechanism at this time is only responsible for the task of supporting the car body and damping vibration.

Since the lateral and longitudinal forces of the wheels are borne by the two sets of wishbones, the strength and impact resistance of the double wishbone trailer suspension are much stronger than those of the MacPherson trailer suspension, and it can well suppress the roll and the impact when the vehicle is turning. Brake nodding, etc.


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