Swivel device for solid-web cantilever steel beam in swivel bridge

The utility model discloses a swivel device of solid-web cantilever steel beams in a swivel bridge, the swivel device is located at the bottom of a pier, the solid-web cantilever steel beams and supporting legs are adopted to provide lateral support for the swivel bridge, the cantilever steel beams are arranged at intervals of 30 degrees, 45 degrees or 60 degrees, the solid-web cantilever steel beams are connected with the swivel bridge through steel sleeves, and the swivel bridge is connected with the solid-web cantilever steel beams. Rib plates are arranged on the inner sides of the steel sleeves, and holes allowing bolts to pass through are formed in the joints of the steel sleeves and cantilever steel beams. The utility model has the advantages that the cantilever steel beam transversely adopts the inner and outer ring beams to realize the integral effect, and the steel sleeve can also be used as a template; when the bridge rotates, the steel strand is wound around the outer ring beam and the middle of th