Supporting device for bridge pouring formwork

The utility model discloses a supporting device of a bridge pouring formwork, which belongs to the technical field of bridge construction and comprises steel bent frames, lifting devices, horizontal connecting rods, steel guide rails and steel fasteners, the steel bent frames are arranged in parallel at equal intervals and comprise an upper chord steel main beam, a lower chord steel main beam, inclined supporting beams, vertical supporting rods and inclined supporting rods, the vertical supporting rods or the inclined supporting rods are perpendicularly connected with the horizontal connecting rods through the steel fasteners, and the whole steel bent frame can be conveniently assembled and disassembled by assembling and disassembling the horizontal connecting rods. Each group of steel bent frames are mounted on the steel guide rails through a plurality of lifting devices, each lifting device comprises an upper screw rod, an inner threaded pipe, a lower screw rod and a limiting block, and the steel bent frame