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汽车减振器的检验与维修

来源:http://www.jnrunao.com/ 日期:2021-03-17 发布人:runao
为了使车架与车身的振动迅速衰减,改善汽车行驶的平顺性和舒适性,汽车悬架系统上一般都装有减振器,目前汽车上广泛采用的是双向作用筒式减振器。
In order to make the vibration of frame and body attenuate rapidly, and improve the ride comfort and comfort of the car, the car suspension system is generally equipped with shock absorber. At present, the two-way cylinder shock absorber is widely used in the car.
减振器是汽车使用过程中的易损配件,减振器工作好坏,将直接影响汽车行驶的平稳性和其它机件的寿命,因此我们应使减振器经常处于良好的工作状态。可用下列方法检验减振器的工作是否良好。
Shock absorber is a vulnerable part in the process of automobile use. The working quality of shock absorber will directly affect the stability of automobile driving and the service life of other parts. Therefore, we should make shock absorber always in good working condition. The following methods can be used to check whether the shock absorber works well.
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1.使汽车在道路条件较差的路面上行驶10km后停车,用手摸减振器外壳,如果不够热,说明减振器内部无阻力,减振器不工作。此时,可加入适当的润滑油,再进行试验,若外壳发热,则为减振器内部缺油,应加足油;否则,说明减振器失效。
1. Stop the car after driving 10km on the road with poor road conditions and touch the shell of the shock absorber by hand. If it is not hot enough, it means that there is no resistance inside the shock absorber and the shock absorber does not work. At this time, the appropriate lubricating oil can be added, and then the test can be carried out. If the shell is hot, it means that there is a lack of oil inside the shock absorber, and sufficient oil should be added; otherwise, it means that the shock absorber is invalid.
2.用力按下保险杠,然后松开,如果汽车有2~3次跳跃,则说明减振器工作良好。
2. Press down the bumper and release it. If the car jumps 2-3 times, it means that the shock absorber works well.
3.当汽车缓慢行驶而紧急制动时,若汽车振动比较剧烈,说明减振器有问题。
3. When the car is running slowly and braking in an emergency, if the car vibrates violently, there is something wrong with the shock absorber.
4.拆下减振器将其直立,并把下端连接环夹于台钳上,用力拉压减振杆数次,此时应有稳定的阻力,往上拉(复原)的阻力应大于向下压时的阻力,如阻力不稳定或无阻力,可能是减振器内部缺油或阀门零件损坏,应进行修复或更换零件。
4. Remove the shock absorber, erect it, clamp the lower connecting ring on the vise, and pull and press the shock absorber rod several times. At this time, there should be stable resistance. The resistance of pulling up (restoring) should be greater than that of pressing down. If the resistance is unstable or no resistance, it may be that the shock absorber is lack of oil or the valve parts are damaged. Repair or replace the parts.
在确定减振器有问题或失效后,应先查看减振器是否漏油或有陈旧性漏油的痕迹。油封垫圈、密封垫圈破裂损坏,贮油缸盖螺母松动。
After determining whether the shock absorber has problems or failure, check whether the shock absorber has oil leakage or traces of old oil leakage. The oil seal washer and sealing washer are broken and damaged, and the oil storage cylinder cover nut is loose.
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