Steel beam mounting structure in super-large-span steel structure building

The utility model relates to a steel beam installation structure in a super-large-span steel structure building, and relates to the technical field of constructional engineering, the steel beam installation structure comprises a steel beam and a steel column, the steel beam comprises a web plate and two wing plates arranged on the two sides of the web plate, and first right-angle plates are installed between the sides, away from the web plate, of the wing plates and the steel column; the first right-angle plate comprises a horizontal part and a vertical part, the horizontal part is fixedly connected with the wing plate, the vertical part is fixedly connected with the steel column, a limiting block is arranged on the side, facing the steel column, of the vertical part, and the width of the side, away from the vertical part, of the limiting block is larger than that of the side, close to the vertical part, of the limiting block. The steel column is provided with a limiting groove which allows the limiting block