Steel structure splicing component

The utility model discloses a steel structure splicing member in the technical field of splicing members, which comprises a lap joint block and a support column, two ends of the lap joint block are fixedly welded with cushion blocks, the cushion blocks on two sides of the lap joint block are in lap joint with steel, and the upper end of the lap joint block is provided with a middle groove. After steel on the two sides is pre-fixed through the lap joint block, the supporting columns at the bottom of the lap joint block are connected with the mounting plate, the two sets of supporting rods are movably connected through the mounting plate, the two hoop plates are connected to the steel on the two sides, and the movable supporting rods are movably connected to the bottoms of the hoop plates on the two sides through the shaft pins. The two sides of the two hoop plates are limited through the pull rods, triangular supports at the bottom are formed, the supporting area is large, the triangular supports on the two si