Electric transmission rail car

The utility model relates to the technical field of electric transmission rail cars, and discloses an electric transmission rail car which comprises an electric rail car body, a clamping assembly is arranged in the electric rail car body and comprises a fixing frame, racks are connected to the left side and the right side in the fixing frame in a sliding mode, a motor is fixedly connected to the lower portion of the fixing frame, and the motor is fixedly connected to the lower portion of the fixing frame. A rotating rod is fixedly connected to the output end of the motor, a gear is fixedly connected to the periphery of the upper portion of the rotating rod, auxiliary blocks are slidably connected to the left and right portions of the fixing frame, sliding rods are slidably connected to the interiors of the auxiliary blocks, sliding blocks are fixedly connected to the front and rear sides of the auxiliary blocks, and clamping plates are fixedly connected to the upper portions of the auxiliary blocks; and two s