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故障现象某单位1辆东风EQ3141G自卸车主减速器在使用过程中出现异响,将后桥一侧驱动轮用千斤顶顶起后,用手转动驱动轮,发现传动轴与半轴传动之间传动间隙较大。为了进一步确定故障部位,将主减速器动力输入端的传动轴拆卸下来,用手转动主减速器主动锥齿轮轴,发现主从动锥齿轮之间的配合间隙较大,以此判断主减速器主从动锥齿轮可能出现异常磨损。
Fault phenomenon A unit of Dongfeng EQ3141G dumper main reducer in the course of abnormal noise, the rear axle side of the drive jack thrown with hand, hand drive wheel and found that the drive shaft and the shaft drive between the transmission Gap larger. In order to further determine the fault location, the drive shaft of the power input of the final drive is disassembled and the primary drive bevel gear shaft of the final drive is rotated by hand to find that the gap between the primary and secondary bevel gears is larger, so that the main speed reducer master Bevel gear may be abnormal wear.