Insulation puncture grounding wire clamp

The utility model discloses an insulation puncture grounding wire clamp, which comprises an upper shell and a lower shell, a screw rod is arranged between the upper shell and the lower shell in a penetrating manner, the top of the screw rod is in threaded connection with a torque nut, the outer side of the screw rod is sleeved with a pressing plate, the top of the pressing plate is integrally molded with a supporting cylinder, and a rotating cylinder is rotatably mounted in the supporting cylinder; an inner hexagonal groove is formed in the center of the rotating cylinder, ratchet teeth which are annularly distributed at equal intervals are arranged on the outer side wall of the rotating cylinder, a fixing box is fixedly connected to the outer side of the supporting cylinder, a rotating shaft is rotationally connected to the interior of the fixing box, pawls matched with the ratchet teeth are fixedly connected to the outer side of the rotating shaft, and springs are installed on the pawls; through the arrange