Roof large-span cornice construction equipment

The utility model relates to roof large-span cornice construction equipment, and relates to the field of building construction, the roof large-span cornice construction equipment comprises a plurality of mounting columns, the mounting columns are uniformly mounted on the side wall of a roof, folding rods are slidably connected to the mounting columns, and clamping mechanisms are arranged in the ends, away from the mounting columns, of the folding rods; the clamping mechanism comprises a push plate, connecting rods are symmetrically hinged to the two ends of the push plate, and clamping blocks are hinged to the ends, away from the push plate, of the symmetrically-arranged connecting rods; a clamping rod is arranged between the symmetrically-arranged clamping blocks, clamping grooves are symmetrically formed in the two sides of the clamping rod, the clamping rod abuts against the push plate, a spring folding rod is hinged to the end, away from the push plate, of the clamping rod, and the end, away from the clam