造成离合器发抖的原因有哪几种?怎样解决?

2025-03-31 03:13:01
推荐回答(1个)
回答1:

  故障现象:柴油汽车起步时,按正常动作操纵, 离合器不能平稳的接合,使柴油汽车发生抖动,称为离合器发抖。   故障原因:分离杠杆内端不在同一垂直平面内,或压盘翘曲不平,压盘弹簧弹力不均;从动盘钢片与盘毂铆钉松动,或摩擦衬片表面不平;从动盘毂键槽严重摩损,或变速器第一轴(或离合器轴)弯曲和花键严重磨损。此外,柴油发动机或变速器和飞轮壳固定螺栓松动,也会造成汽车起步时车身发抖。   故障排除:  (1)当离合器的减振弹簧弹力减弱或断裂, 离合器压紧弹簧弹力变弱,膜片弹簧产生裂纹时都会引起离合器分离,结合时发抖,应查明具体原因,必要时更换零件。   (2)离合器分离杠杆高度调整不一致或分离杆变形,会导致离合器不能平衡地接合或膜片弹簧分离指变形不平,压紧时间不一致,压盘受力不均,造成主、从动盘接触不良,引起离合器抖动。此时应调整分离杠杆,更换离合器压紧弹簧。   (3)从动盘厚薄不均、翘曲变形。在离合器接触过程中,摩擦片接触不良,摩擦片上沾上油污等都会使离合器产生抖动。此时,应更换从动盘。   (4)离合器操纵踏板与离合器连接件松动。 离合器从动盘花键毂严重磨损,速度器第一轴弯曲等原因均能引起离合器发抖。此时,应更换相应零件上。   (5)柴油发动机安装不牢,悬置松动。柴油发动机曲轴中心线与变速器第一轴不同轴也会使离合器发抖,这时就应紧固柴油发动机,调整部件位置,必要时更换零件。

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