Cable conduit threading traction device

The utility model relates to a cable conduit threading traction device which comprises a frame which is of a U-shaped structure with a downward opening, a hub motor is installed below the front end ofthe frame, a rear wheel is installed at the rear end of the frame in a rotating mode, an inclined air spring is hinged to the left side of the top of the frame, and a U-shaped supporting frame is fixed to the top of the air spring. A supporting shaft is rotationally installed on the supporting frame, a top wheel is rotationally installed in the middle of the supporting shaft, connecting plates are hinged to the two ends of the supporting shaft, the lower ends of the connecting plates are hinged to the top of the right end of the vehicle frame through pin shafts, a storage battery connected with a hub motor is arranged on the vehicle frame, and a mounting plate is fixed to the tail end of the vehicle frame and fixedly provided with a ball rod end knuckle bearing. A fixing plate is fixed tothe left end of the ball