Channel steel vertical rod connecting piece

The channel steel vertical rod connecting piece comprises a vertical rod and buckle plates, threads are arranged on the outer side of the vertical rod, the buckle plates are arranged on the two opposite sides of the vertical rod in pairs, horizontal concave grains are arranged on the inner sides of the buckle plates, the horizontal concave grains are horizontal or inclined, the horizontal concave grains are clamped with the threads of the vertical rod, and the buckle plates are arranged on the buckle plates. The buckling plates in pairs are connected with and clamp the vertical rod through fasteners, and an extending part is arranged on the outer side of at least one of the buckling plates in pairs and used for being connected with a cross arm. The vertical rod matched with the spherical joint for installation is the full-thread screw, a traditional square fixing bottom plate, a traditional channel steel base and a traditional channel steel vertical rod are replaced, the structure is simple, installation is c