Formwork supporting bracket for bridge construction

The utility model relates to the technical field of bridge construction, and discloses a template supporting bracket for bridge construction, which comprises a base, a lifting plate is arranged on the outer wall of the top of the base, a supporting plate block is hinged to the outer wall of the top of the lifting plate, a connecting frame is mounted on the outer wall of the top of the lifting plate, and the connecting frame is connected with a threaded rod through a bearing. A sliding groove is formed in the outer wall of the top of the lifting plate, a sliding block is slidably clamped to the lifting plate through the sliding groove, a threaded rod, a moving rod and a connecting rod are arranged, the threaded rod is rotated to drive the moving rod to move, the sliding block moves through the sliding groove, the moving rod adjusts the inclination angle of a supporting plate block through the connecting rod, and therefore the inclined face is conveniently supported; the output end of a motor drives a worm to r