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电力机车或内燃机车牵引电动机的转矩是通过齿轮传动装置传递给轮对的。为保证大小齿轮具有良好的工作条件,设置了齿轮箱,齿轮箱由上箱和下箱扣合而成,两端用螺栓固定,侧面用螺栓固定在电机机体上。齿轮箱内贮存齿轮润滑油,并起密封作用。一般齿轮箱是由薄钢板焊接而成,其结构刚度较薄弱;加之齿轮箱承受来自车轴传来的轮轨间冲击作用力,工作条件比较恶劣;齿轮箱与大齿轮轮毂之间采用毛毡圈密封,毛毡圈的工作寿命较短。这样,在机车
Electric locomotive or diesel locomotive traction motor torque through the gear transmission to the wheel set. In order to ensure the size of the gear with good working conditions, set the gear box, the gear box from the upper box and the lower box buckle together, both ends of the bolt, side bolts fixed to the motor body. Gearbox gear oil storage, and play a sealing role. General gear box is welded by a thin steel plate, its structural rigidity is relatively weak; coupled with the gear box from the wheel shaft from the impact force between the wheel, the working conditions are harsh; gear box and gear wheel hub between the seal with a felt Felt ring shorter working life. In this way, in the locomotive