Driving device, bogie and rail vehicle

The embodiment of the invention provides a driving device, a bogie and a railway vehicle, the device comprises a gear box, a gear box suspender, a traction motor, a traction motor fixing mechanism and a coupling, and the coupling is connected with an output shaft of the traction motor and an input shaft of the gear box; the traction motor and the gear box are fixedly connected through a plurality of mounting mechanisms, the traction motor is fixedly connected with a framework through the traction motor fixing mechanism, the gear box is fixedly connected with the framework through the gear box suspender, the gear box is in interference connection with an axle through a gear, and the gear box is fixedly connected with the framework through the gear box suspender. And the gear box is supported by a bearing. According to the driving device provided by the embodiment of the invention, the coupling is connected between the traction motor and the gear box, and the traction motor and the gear box are fixedly connecte