Steel structure net rack welding ball mounting structure

The utility model discloses a welding ball mounting structure for a steel structure net rack, which relates to the technical field of steel structure net racks and comprises a positioning ball, a first welding block is fixedly mounted at the top end of a first bolt, and second welding blocks are fixedly mounted at one ends, far away from each other, of four second bolts. Third welding blocks are fixedly mounted at the bottom ends of the four third bolts, supporting balls are mounted at the bottom ends of the four supporting steel pipes, fourth welding blocks are fixedly mounted at the top ends of the four fourth bolts, and fifth welding blocks are fixedly mounted at the ends, away from each other, of the four fifth bolts; the welding blocks are in threaded connection with the positioning balls and the supporting balls and used for welding the steel pipes, so that the problem that the steel pipes are inconvenient to weld due to the fact that the surfaces of the welding balls are smooth is solved, welding diffi