Verification of Strength Characteristics of Traction Geared Motor Unit on Industrial Conditions

The goal is a model-experimental study of the vibration that occurs in the nodes of the motor-gear unit (hereinafter MGU) installed on the motor bogie of an electric train under operating conditions. Vibration measurements were carried out experimentally on a motor bench controlled by a traction inverter. Experimental data on the parameters of vibrations that occur on the bearing shield of the output shaft of the MGU were obtained by simulating the departure of a motor bogie by instantaneous load shedding. A pattern has been established that the vibration level under skid conditions in three planes has sharp bursts of activity.