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一台挖掘机在作业过程中,突然发现动臂不能回转,立即停机检查。结果:转向油路正常,马达工作也正常,初步判断是回转大齿圈可能出现断齿。于是对齿圈进行分解,发现齿圈上有2个不连续的断齿。原因主要是挖掘机在进行回转作业时,由于操作不当,使机器产生较大的惯性,致使大齿圈断齿。因仓库没有配件,决
An excavator in the course of operations, suddenly found boom can not be rotated, immediately stop checking. Results: Steering oil is normal, the motor work is normal, the initial judgment is that the rotating gear ring may appear broken teeth. So the ring gear decomposition, found on the ring gear has two non-continuous broken teeth. The main reason is the excavator in the rotary operation, due to improper operation, the machine produces greater inertia, resulting in broken gear ring gear. Due to the warehouse without accessories, the decision