Auxiliary hoisting tool and auxiliary hoisting mechanism for prefabricated square pipe culvert

The utility model discloses an auxiliary hoisting tool for a prefabricated square pipe culvert, which comprises a clamping piece with an opening at one end, and the clamping piece consists of an upper transverse plate, a lower transverse plate and a vertical plate for connecting the upper transverse plate and the lower transverse plate which are parallel to each other; wherein a screw hole penetrating through the upper transverse plate is formed in the upper transverse plate, a screw rod is arranged in the screw hole, a fixing plate is arranged at the bottom of the screw rod, and a rubber cushion layer is arranged at the bottom of the fixing plate. The utility model further provides an auxiliary hoisting mechanism. According to the auxiliary hoisting tool and the auxiliary hoisting mechanism for the prefabricated square pipe culvert, the square pipe culvert can be conveniently and rapidly fixed and connected to a hook of a crane, rapid hoisting is achieved, the cost is reduced, meanwhile, the construction eff