Novel bridge-transverse-partition-plate connecting device and method

The invention belongs to the technical field of box beam fastening, and particularly relates to a novel bridge-transverse-partition-plate connecting device and method. The device comprises a pressingstrip, a lower supporting plate and a fastening device, wherein the pressing strip is installed at the top of a box beam, the lower supporting plate is located at the lower portion of the box beam, and multiple fastening devices are connected between the pressing strip and the lower supporting plate; the lower supporting plate comprises two side beam partition plates and multiple middle beam partition plates, and the fastening devices are installed between the side beam partition plates and the middle beam partition plates or a connection portion between the two middle beam partition plates; the fastening devices comprise middle hangers and lower hangers, the middle hangers are in fastened connection with the pressing strip through primary bolts, and the lower hangers are in fastened connection with the middle han