Structure of non-anchored contact net arranged on urban rail transit steel bridge

The utility model discloses a structure of a non-anchored catenary arranged on an urban rail transit steel bridge, which is applied to the technical field of urban rail transit and comprises a supporting component, a vertical supporting block and a catenary connecting piece, the supporting component is used for being connected to a vertical main beam of the steel bridge and providing basic support for a catenary stand column, and the vertical supporting block is used for supporting the vertical main beam of the steel bridge. The supporting assembly comprises a transverse supporting rod piece, an inclined supporting rod piece, a fixing block, a vertical supporting block, a first supporting bottom plate, a second supporting bottom plate and stiffening ribs. When the overhead line system stand column needs to be installed, the overhead line system stand column can be matched with the overhead line system stand column through the overhead line system connecting pieces of different models, redesign or reconstructi