▎ 摘　　要

NOVELTY - The utility model relates to the technical field of electric device, especially relates to a power cable grounding device, comprising a first fixing clamp, two sides of the upper surface of the first fixing clamp are provided with a screw thread hole; and the lower part of the first fixing clamp is provided with a second fixing clamp; two sides of the upper surface of the second fixing clamp and the first fixing clamp are provided with a thread hole; and the upper surface of the second fixing clamp is linearly equidistantly provided with a limiting hole; the lower part of the second fixing clamp is provided with a conductive block; the inner part of the conductive block is embedded with a second graphene column; the inner part of the threaded hole is rotatably connected with a bolt; the inner bottom end of the limiting hole is fixedly connected with a third graphene column. In the utility model, the power line is placed on the upper end of the arc-shaped block by the user; then the user manually rotates the bolt; under the action of the bolt, the first fixing clamp is moved downwards, so as to be convenient for the user to fix the power line with different diameters.