Reinforcing device for pull rod and joint of bolt-sphere net rack

The utility model discloses a reinforcing device for pull rods and joints of a bolt-sphere net rack, which relates to the technical field of bolt-sphere net racks and comprises a bolt-sphere body, a first open fastening ring is sleeved on the outer ring of a first pull rod, first support rods are welded on four first welding blocks, and second support rods are welded on four second welding blocks. Second opening fastening rings are arranged on the outer rings of the four second pull rods in a sleeving mode, second supporting rods are welded to the two second welding blocks, close to the first supporting rods, of the second opening fastening rings, and third opening fastening rings are arranged on the outer rings of the four third pull rods in a sleeving mode. Fourth supporting rods are welded to the two third welding blocks, away from each other, of the third opening fastening ring, and third supporting rods are welded to the middles of the four second supporting rods; the first supporting rod, the second sup