Hole-opening and pipe-penetrating structure on residential steel beam

The utility model relates to the technical field of residential steel structures, in particular to a hole-opening and pipe-penetrating structure on a residential steel beam, which comprises an I-shaped steel beam arranged on a steel pipe column, a rectangular through hole arranged on a web plate of the steel beam, square pipes arranged on the steel beam at two ends of the rectangular through hole along the width direction of the steel beam, the square tubes penetrate through flanges and webs of the whole steel beam, the square tubes are welded to the flanges and the webs, reinforcing plates are arranged at the ends of the square tubes on the outer surfaces of the flanges of the steel beam, the reinforcing plates are welded to the square tubes and the flanges, and channel steel is arranged on the two sides of a rectangular through hole between the two square tubes in the length direction of the steel beam. The steel channels are welded to the web plates on the two sides of the rectangular through holes, and th