The utility model provides a right angle hanging plate prevents device that splits, belongs to overhead transmission line gold utensil protection technical field, and the technical problem that solveprovides the right angle hanging plate protection gold utensil that the working process is reliable and stable, the cluster is not fallen in the right angle hanging plate fracture, the technical scheme who adopts: first components of a whole that can function independently and second components of a whole that can function independently set up along vertical direction symmetry, first components ofa whole that can function independently upper end be equipped with the concave station, second components of a whole that can function independently upper end be equipped with with the boss of the mutual gomphosis of concave station to there are a plurality of connecting holes in first components of a whole that can function independently and symmetrical the opening of second components of a whole that can function independently, a plurality of connecting bolt include a connecting bolt, the 2nd connecting bolt and fourth connecting bolt to fixing bolt's split pin all is equipped with at a connecting bolt, the 2nd connecting bolt and fourth connecting bolt's tip, purpose -built nut is including all opening inboard nut of female and outside nut to outside diameter of nut is greater than inboard nut, has still opened plum blossom cell type cotter way in the longitudinal section of outside nut, the utility model discloses be applied to overhead transmission line's protection.