The action of the ball head outside the direction machine.
The main function of the outer ball head of the directional machine is to drive the pull rod of the ball head housing, the mechanical structure that uses the spherical connection to transmit power to different axes. this part is often in a turning state, therefore needs to be well lubricated, is usually maintained by frequent addition of grease. outer ball head of directional machine is a key part of automobile steering mechanism, it directly affects the handling stability of automobile, operation safety and tire service life. In particular, the functions of the external ball head include:
Connection and transmission force: it connects the joint part of the suspension and the balance rod, mainly plays the role of transferring the force between the suspension and the balance rod.
Inhibit body rolling: when the left and right wheels pass through different road bumps or holes, that is, when the horizontal heights of the left and right wheels are different, balance rod will twist, resulting in anti-roll resistance, inhibit body rolling.
Ensure the safety of the car: as an important connector linking the two rear wheels of the car, direction of the external ball head can make the two wheels synchronous, adjust the front beam, is an important part to ensure the safety of the car.
Through its special ball hinge design, can not only connect and transmit the force, can also move itself according to the change of the direction of the force and the movement situation. If the outer ball head of the steering machine is damaged, may cause abnormal steering, in serious cases even lose the steering function.
Must the steering machine be replaced for leaking oil?
Direction machine oil leakage does not necessarily have to be replaced, depending on the extent of the oil leakage, if the oil leakage is not serious, often supplement the oil under the premise of ensuring safety, but if the oil leakage is serious, it is still recommended to replace the direction machine.
You don't have to change direction. The abnormal sound of the steering machine may be the failure of the steering booster pump, or it may be that the steering power oil is less, the air in the dust jacket of the steering machine is too dirty, the abnormal sound of the steering machine should not be replaced, the key is what is the cause of the abnormal sound of the steering machine, and the steering machine must be replaced only when the steering machine is broken.
The direction machine is broken and must be replaced:
1, first check, if the internal and external ball head of the direction machine has fallen off, it is very dangerous can not open (shake the ball head by hand, fall off can shake). If it is just leaking oil, it is not dangerous and can be opened, but there is wear on the direction booster pump. If the direction is heavy, only the turn will not be flexible;
2, the direction machine is broken with the following symptoms: the general vehicle steering wheel has the function of turning automatic return, the car with hydraulic power direction machine, due to the role of hydraulic damping, the function of automatic return is weakened, but if the return speed is too slow, it indicates that the return function is faulty. This kind of failure generally occurs in the steering machinery part;
3, the car driving on the side of the road itself has a tendency to run off, when the arch is larger, the deviation is more obvious is caused by external factors. After ruling out the tire pressure problem, it is likely to be caused by a mechanical part of the steering machine loosening or breaking;
4, if the owner feels one side of the steering wheel to turn light, the other half is to turn heavy, this symptom is generally due to the leakage of the seal responsible for sealing one side of the high pressure chamber, there is another possibility is due to the improper adjustment of the limit valve in this direction.
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