Steel hanging box cofferdam reinforcing structure

The utility model discloses a steel hanging box cofferdam reinforcing structure which comprises a box body, bottom sealing concrete is poured in the box body, a plurality of sets of first I-shaped steel are symmetrically installed on the outer side wall of the box body, a plurality of pieces of second I-shaped steel are jointly installed on each set of first I-shaped steel, a plurality of locking mechanisms are evenly inserted in the bottom sealing concrete, and the locking mechanisms are connected with the box body. The locking mechanism comprises an embedded part and a mounting cylinder, a plurality of clamping grooves are uniformly formed in the inner wall of the embedded part, a reset spring is fixedly mounted in each clamping groove, a rotating rod is mounted on the inner wall of the mounting cylinder through a bearing, a wedge-shaped rotating seat is fixedly mounted on the rotating rod, and a wedge-shaped rotating shaft is fixedly mounted on the wedge-shaped rotating seat. And a plurality of mounting th