Traction device of bus bridge

The utility model relates to the technical field of bus bridge traction, and discloses a traction device of a bus bridge, which comprises an operation table, a groove is arranged on the upper portion of the operation table, a sliding groove is arranged on the right side inside the groove, a supporting plate is fixedly connected to the front portion of the operation table, and a motor is fixedly connected to the upper portion of the supporting plate. The output end of the motor is fixedly connected with a screw rod, the outer portion of the screw rod is in threaded connection with a threaded block, the right side of the threaded block is fixedly connected with a movable plate, the right side of the movable plate is fixedly connected with a limiting block, the upper portion of the movable plate is provided with a third rubber pad, and the two sides of the operation table are fixedly connected with fixing blocks. According to the utility model, the bus bridge is automatically conveyed by the conveyor belt, the t