What is a car triangle arm ball head
Automobile triangle arm ball head is an important part of the automobile suspension system, the main role is to balance the support of the wheel, to ensure the stability and comfort of the vehicle .
The triangle arm (also known as the swing arm) uses the swing to absorb the impact of the vehicle when driving on uneven roads, protecting the safety of the vehicle and passengers .
Specifically, the triangle arm is connected to the axle head of the tire through the ball head. When the tire encounters bumps or ups and downs, the triangle arm balances the support wheel by swinging, thus reducing the bumps and vibration of the vehicle in the process of driving .
Structure and working principle
The triangular arm is actually A kind of universal joint, which can be associated with action even when the relative position of the driver and the follower changes, for example, when the vibration absorber is compressed at the same time, the A-arm is shaken .
The tire is mounted on the axle head, and the axle head is connected with the triangle arm through the ball head, so that the triangle arm can absorb and mitigate the impact from the road by swinging during the driving of the vehicle .
Manifestations and effects of damage
If there is a problem with the triangle arm ball head, such as deformation, damage to the ball head or aging of the rubber sleeve, it will cause the vehicle to make a metal knocking sound when bumping, and the tire may slowly wear .
These issues affect the vehicle's handling and comfort, and can even lead to more serious suspension failures .
Maintenance and replacement suggestions
Replacing the triangle arm ball head requires professional skills and tools, so it is recommended that the owner take the job to a professional repair shop to complete .
In the maintenance process, it is necessary to remove the tire and hub, remove the triangle arm, and then remove the old ball head and install the new ball head with professional tools, ensure that the ball head and the triangle arm are securely connected .
The main role of the triangle arm ball head is to connect the triangle arm and the shaft head, balance the support of the wheels, and ensure the stability and comfort of the vehicle . When the vehicle is driving on the uneven road surface, the tire will swing up and down, and this swing is achieved by the movement of the triangle arm. The triangular arm ball head is an integral part of the automotive suspension system, transmitting vibration to the shock absorber, assisting the vehicle in turning, and carrying the full weight of the body of the wheel .
Specific role
balanced support wheel : triangle arm ball head by connecting the triangle arm and shaft head, to ensure that the wheel can swing smoothly on the uneven road surface, reduce bumps and vibration .
transfer vibration : the vibration generated when the vehicle passes through the uneven road surface will be transmitted to the shock absorber through the triangle arm ball head, thereby reducing the impact on the body .
auxiliary turning : When the vehicle turns, the triangle arm ball head helps the steering machine pull rod to realize elevation rotation through internal static friction, and assists the vehicle to turn smoothly .
bearing weight : the triangle arm ball head also bears all the weight of the body of the wheel, ensuring that the vehicle can maintain stability in all kinds of road conditions .
Common types and materials
Common triangular arm ball head forms include single-layer stamping parts, double-layer stamping parts and cast aluminum parts. Because of its high strength and light weight, cast aluminum can help reduce unsprung mass and improve vehicle handling. is usually used on medium and high-end models.
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