GROUND WIRE CLAMPING AND FIXING APPARATUS WITH RATCHET DEVICE

Disclosed is a ground wire clamping and fixing apparatus with a ratchet device, the apparatus comprising a clamp head (1), a pushing column (2), a clamp plate (6), a connector (4) and an insulation rod (5), and further comprising a ratchet fastening device (3). The clamp head comprises an upper protruding block, a lower protruding block and a connecting block, the upper protruding block and the lower protruding block being arranged parallel to each other and being respectively fixed to two ends of the connecting block to form a grooved structure. The pushing column penetrates the lower protruding block and is threaded to the lower protruding block, an end, entering the interior of the groove, of the pushing column fixes the clamp plate, and the other end, outside the clamp head, of the pushing column comprises a clamp block that is polygonal. The ratchet fastening device is hinged to the connector, the connector is fixedly connected to the insulation rod, and the ratchet fastening device comprises a clamp blo