Hoisting device for assisting balance of steel structural member

The utility model discloses a hoisting device for assisting balance of a steel structural member, which is characterized in that the top ends of two symmetrical upright posts are fixedly connected with a cross beam, bearing seats are respectively fixedly arranged below two ends of the cross beam through fixedly connected hanging seats, a lead screw is arranged through symmetrical bearing seats, and the lead screw with one end extending out of the bearing seats is connected with a servo motor; the driving seat is matched with the lead screw through an arranged screw hole, a sliding way or a rolling way is arranged on the cross beam, a connecting frame is arranged on the driving seat, and the connecting frame is matched with the sliding way of the cross beam through a sliding block arranged on the connecting frame or is matched with the rolling way of the cross beam through a rolling wheel assembled on a wheel frame arranged on the connecting frame. A winding drum driven by a motor is installed below the drivin