Steel structure unloading device

The utility model discloses a steel structure unloading device, and relates to the field of steel structures, the steel structure unloading device comprises a circular tube stand column and a jack, the circular tube stand column is hollow, the circular tube stand column is arranged at one end, away from the ground, of a supporting frame, and a plurality of to-be-welded areas for cutting are sequentially arranged on the top of the circular tube stand column in the direction towards the bottom of the circular tube stand column; a transverse cutter plate is placed on a to-be-welded area close to the top of the circular tube stand column, the truss is located on the top of the transverse cutter plate, and a piston of the jack acts on the bottom of the transverse cutter plate in the vertical direction. When the supporting frame is disassembled, the piston of the jack ascends to jack up the transverse cutting board, the to-be-welded area on the circular pipe stand column is cut, the piston descends, the transverse