Square pile foundation reinforcement cage manufacturing and mounting construction method and equipment

The invention belongs to the technical field of square pile foundation reinforcement cage manufacturing and mounting, and particularly relates to a square pile foundation reinforcement cage manufacturing and mounting construction method and equipment. According to the specific technical scheme, manufacturing of a first row of back force rib mesh modules, a second row of back force rib mesh modules, main rib mesh modules on the two sides and main rib mesh modules on the outer side of the split type reinforcement cage is completed; the first row of back force bar mesh modules and the outer side main bar mesh modules are sequentially hoisted in an assembled mode through hanging bars, a wellhead top bracket and a hoisting truss, and square reinforcement cage top stirrups are installed; and then the main reinforcement mesh modules on the two sides and the second row of back force reinforcement mesh modules are sequentially hoisted in an assembled mode, reinforcement cage stirrups are installed, and overall assembl