The role of the rear tow arm of a car
Car rear bracket arm is an important part of the suspension system, it is like a bridge, the body and the wheel elastic connection together. This connection not only ensures that the wheels can move in accordance with the predetermined trajectory relative to the body, but also plays a guiding role.
Cushion road impact
When the vehicle is driving, the rear bracket arm can effectively slow down the impact force from the road and improve the ride comfort. Like a spring, it absorbs and disperses ground vibrations, ensuring that passengers enjoy a smooth ride during the ride.
Damping vibration
The rear bracket is also responsible for damping vibrations caused by the elastic system, which can translate into unstable factors during driving. Through the action of the brackets, these vibrations are transmitted and dispersed, ensuring that the wheels maintain a precise trajectory and provide better steering performance for the vehicle.
Transfer torque
The rear bracket arm transmits reaction and torque from all directions, whether longitudinal, vertical or lateral, ensuring that the wheels move in sync with the body on a predetermined trajectory. This is essential for the stability of vehicle handling and driving safety.
Ensure vehicle stability and safety
To sum up, the rear bracket plays a crucial role in the comfort, stability and safety of the vehicle. It is not only one of the indispensable key components of modern cars, but also the guarantee of safe driving and comfortable experience.
Through the above analysis, it can be seen that the rear bracket plays an indispensable role in the overall performance of the vehicle and is an important component to ensure driving safety and riding comfort.
The Trailing Arm is a part of the suspension system designed for the rear wheels and is mainly used to connect the body to the wheels. The towing arm combines the main shaft of the body in front of the axle with the axle through the support arm, which has simple structure and relatively low manufacturing cost. Drag arm suspension can swing up and down to achieve the connection between the wheel and the body, usually using hydraulic shock absorber and coil spring as shock absorber parts, to achieve shock absorption and support the body .
Structure and working principle
The structure of the towing arm suspension comprises a towing arm, a hydraulic shock absorber and a coil spring. The tow arm connects the steering knuckle to the car body and is usually arranged lengthwise, similar to the car body dragging the wheels, hence the name .
This design allows the left and right wheels to jump freely within a small range without disturbing the other wheel, with the characteristics of non-independent suspension and the flexibility of independent suspension .
Types and applications
There are two main types of towing arm suspension: full towing arm and half towing arm. The full towing arm is perpendicular to the body centerline, while the half towing arm is inclined to the body centerline .
This suspension system is commonly found in European models such as Peugeot, Citroen and Opel .
Merits and demerits
Advantages :
simple structure : low manufacturing and maintenance costs.
space : the space of the left and right wheels is large, the camber Angle of the body is small, the shock absorber does not have bending stress, and the friction is small .
better comfort : when braking, the rear wheel sinks to balance the body and improve the ride comfort .
Disadvantages :
limited maneuverability : can not provide accurate geometric control, large roll when turning .
limited comfort : the position of the connection point between the tow arm and the body has a significant effect on comfort and handling. A design below the wheel center will result in poor comfort, while a design above the wheel center will be more maneuverable .
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