Safety protection device for pile foundation hole opening and operation method of safety protection device

The invention relates to a pile foundation orifice safety protection device and an operation method thereof.The pile foundation orifice safety protection device comprises protection transverse rods and protection vertical rods, the protection transverse rods and the protection vertical rods are connected in a welded mode, the number of the protection transverse rods is two, the number of the protection vertical rods is four, and solar warning lamps are installed at the tops of the protection vertical rods; a locking device is arranged on the upper portion of each protective vertical rod, each locking device is connected with a conical hoisting device, and a hoisting ring is arranged on the top of each conical hoisting device. The device is suitable for drilling machine maintenance during pile foundation hole-forming construction, and when no effective safety protection exists in the period of waiting for reinforcement cage hoisting or concrete pouring after hole forming, the safety of a construction place is