Anti-falling protection device for power transmission climbing iron tower

A power transmission tower climbing anti-falling protection device comprises a manual anti-falling hook, the lower end of a hook body of the manual anti-falling hook is connected with a main lock through a protection rope, a foot nail anti-falling device is arranged at the upper end of the hook body of the manual anti-falling hook, the foot nail anti-falling device comprises a U-shaped nail clamping body, a notch of the nail clamping body faces downwards and is connected with the hook body into a whole, and the U-shaped nail clamping body is connected with the main lock. Two nail clamping claws are symmetrically hinged to the positions, located on the two sides of a notch of the nail clamping body, in the nail clamping body, the nail clamping claws are in a crescent shape, shaft heads are arranged in the middles of the outer edges of the nail clamping claws respectively, through holes are formed in the two sides of the nail clamping body respectively, pressure springs are installed in the through holes respec