Detachable lifting lug lifting device for large-section steel structure

The utility model provides a detachable lifting lug device for a large-section steel structure, which comprises a lifting lug device body and a steel structure lifting piece, the lifting lug device body comprises a lifting frame and a movable limiting assembly, the top of the lifting frame is provided with a top bracket, the surface of the top bracket is provided with a lifting hole, and the lifting hole is provided with a movable limiting assembly. The lifting lug device comprises a top support and a movable limiting assembly, side supports are installed at the two ends of the bottom of the top support, a bottom support is installed at the bottoms of the side supports, and the movable limiting assembly is installed on the surface of the bottom support. And the steel structure is pressed and clamped by matching with the top locking bolt and the bottom locking bolt, so that installation can be completed, the disassembly and assembly steps are simplified, the situation that the steel structure rotates and devia