Safety lifting hook for cable reel

The utility model discloses a safety hook for a cable reel, which comprises a rigid hook body, and a lifting hole and a hanging hole below the lifting hole are respectively formed in the front surface of the rigid hook body in a penetrating manner; the hanging hole comprises a transverse hole and a vertical hole, the top of the vertical hole is communicated with one end of the bottom of the transverse hole, the bottom of the vertical hole is communicated with the bottom end face of the rigid hook body, and the vertical hole and the rigid hook body form a reverse 7-shaped hanging hole. The special lifting hook matched with the thickness and the protruding length of the edge of the process disc is manufactured by utilizing the edge structure of the process disc, so that the rotary mounting structure and the edge of the process disc are self-locked under the dead weight of the process disc by utilizing rotary mounting and dismounting of a mechanical structure and hoisting stress after mounting is finished; there