Bridge pile foundation reinforcing structure

The utility model discloses a bridge pile foundation reinforcing structure which comprises a pile foundation and a bridge pier poured in the pile foundation, a sealing ring is arranged in the pile foundation and located on the outer side of the bridge pier in a sleeved mode, a pressing ring is arranged at the top of the sealing ring, and a steel cable is arranged between the pile foundation and the pressing ring. A reinforcing assembly making contact with the steel cable is movably arranged on the sealing ring, and the reinforcing assembly is provided with a tensioning position for extruding and abutting against the steel cable and a loosening position for avoiding the steel cable in the stroke of the reinforcing assembly. According to the reinforcing structure, through the arranged reinforcing assembly, the steel cable can be continuously extruded, so that the steel cable can gradually move to the tensioning state from the loose state, the steel cable can be in the tensioning state, and the pressing ring and