主电动机的动力,通过齿轮一级减速装置传给车轮.一般把在主电动机中枢轴上套装小齿轮和动轮轴上的大齿轮及齿轮箱,统称为齿轮装置。使用齿轮传动的电力机车的以下几个优点:(1)可靠地传递动力; The power of the main motor is transmitted to the wheels through the first gear reducer of the gear, and the gear and the gear box on the main shaft of the main motor and the gear wheels are collectively referred to as a gear device. The following advantages of using geared electric locomotives are: (1) Reliable power transmission;