Steel jacket box waist beam device suitable for pipe pile support

The utility model relates to a steel jacket box waist beam device suitable for pipe pile supporting. The steel jacket box waist beam device comprises a plurality of steel jacket box bodies. The steel jacket box body comprises a first abutting face and a second abutting face which are oppositely arranged, and the first abutting face is used for abutting against a pipe pile. The pipe pile is used for abutting against the side wall of a foundation pit and provided with an embedded steel plate, the first abutting face is welded and fixed to the embedded steel plate, and the second abutting face is used for abutting against and fixed to the inner supporting piece. And the adjacent steel jacket box bodies are welded and fixed to form a waist beam. According to the steel jacket box, the first abutting face and the embedded steel plate are welded and fixed, and the ends of the adjacent steel jacket box bodies are welded and fixed to form the waist beam; after foundation pit construction is finished, a worker can cut