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1.使用中起升机构出现严重的颤动现象 造成颤动现象的可能原因有:①驾驶员操作不当;②油门控制机构不灵活;③起升平衡阀开启弹簧变形或卡死;④起升机构中制动器制动不灵活。 根据驾驶员的反映,可以排除前两种原因。拆检起升油路中的平衡阀,发现其开启弹簧无变形或卡死现象;最后,判定颤动原因为制动器失灵。
1. The use of hoisting agencies in the phenomenon of severe fibrillation caused by chatter phenomenon may be due to: ① improper operation of the driver; ② throttle control mechanism is not flexible; ③ lifting balance valve open spring deformation or stuck; ④ hoisting mechanism Brake brake is not flexible. According to the driver’s reaction, you can rule out the first two reasons. Dismantling the balancing valve in the lifting oil circuit, found no spring deformation or stuck open; Finally, determine the cause of the brake brake failure.