Safe operation platform suitable for pier top of bridge pier

A safe operation platform suitable for the pier top of a bridge pier comprises a steel corbel, a lifting system and an operation platform. The working platform comprises transverse platforms symmetrically arranged on the two sides of a pier and a vertical platform used for being connected with the transverse platforms, fan-shaped assemblies are arranged at the four right-angle positions where the transverse platforms and the vertical platform are connected, and a triangular support is arranged on the lower side of the working platform; the steel corbel is arranged on a pier, the steel corbel comprises a first rod body and a second rod body, the first rod body is erected on the pier, and a round through hole is formed in the second rod body; the lifting system comprises a winch, a pulley, a special-shaped screw and a lifting rope, the winch is fixed to the transverse part of the steel corbel, the pulley is fixedly connected to the upper portion of a round through hole formed in the vertical part of the steel c