Working platform for maintaining appearance of cantilever beam

The utility model relates to the technical field of civil engineering, and discloses a working platform for maintaining the appearance of a cantilever beam, which comprises a main body base; a first supporting plate is arranged on the upper surface of the main body base, first supporting columns are arranged on the periphery of the top of the first supporting plate, electric telescopic rods, first sliding blocks and first supporting rods are sequentially arranged in the first supporting columns from bottom to top, a supporting table is arranged on the tops of the first supporting rods, and a protection plate is vertically arranged on the edge of the supporting table; a first connecting column is arranged on one side of any protective plate, a windproof mechanism is arranged at the outer end of the first connecting column and comprises a main body supporting plate fixed to the first connecting column, sliding groove plates arranged at the two ends of the main body supporting plate and second sliding blocks con