Wheels are connected to the bottom of a chassis, a travelingmotor is arranged on the chassis, and the output end of the travelingmotor is connected with the wheels through a transmission gear.
在车架底部连接车轮，在车架上设置行走电机，所述行走电机的输出端通过传动装置与车轮连接。
2
When the locomotive is traveling at a constant speed or idling, the battery rather than the diesel engine can power the motor.
当火车头在相对恒定速度下前进或者空转时，这时电池就为马达提供能量，柴油发动机不工作。
3
Traveling wave ultrasonic motor is a new type of actuator driven by friction.