Hoisting device mounted on hull flat-bulb steel

The utility model relates to a hoisting device installed on hull flat-bulb steel, which comprises a seat plate, a fixed chuck, a round nut, a screw rod and a wrench rod, the fixed chuck and the round nut are respectively fixed on two sides of the top of the seat plate, the round nut is in threaded connection with the screw rod, the fixed chuck is installed on a bulb of the hull flat-bulb steel, and the wrench rod is installed on the bulb of the hull flat-bulb steel. The head of the screw abuts against the flat-bulb steel, and the wrench rod is detachably connected with the tail of the screw. The hoisting device mounted on the hull flat-bulb steel can be directly fixed on bulbs of hull flat-bulb steel of various specifications to serve as an acting point of hoisting equipment, so that a temporary lifting lug is prevented from being welded on the structure, the work of electric welding, polishing and the like is omitted, the hoisting efficiency of the equipment is improved, and the hoisting cost is reduced. And