Welding-free suspension ladder for outer wall of superstructure of ship

The utility model discloses a welding-free suspension ladder for the outer wall of a superstructure of a ship. The welding-free hanging ladder comprises a hanging ladder body and a hook part, the hanging ladder body is provided with a first end and a second end in the extending direction, the hook part is connected to the hanging ladder body, the hook part is provided with a clamping groove, and the clamping groove is recessed from the side close to the second end to the direction away from the second end. By arranging the hook part, the clamping groove can be clamped on a protruding part on the outer wall from top to bottom, such as water blocking flat iron, so that the welding-free hanging ladder can be hooked on the outer wall of an upper building. The welding-free suspension ladder disclosed by the utility model does not need to be welded with the outer wall of a superstructure, so that the coating of the outer wall of the superstructure is prevented from being damaged; the welding-free hanging ladder is