Electric power grounding wire winding and unwinding device

The utility model discloses an electric power grounding wire winding and unwinding device. The electric power grounding wire winding and unwinding device is composed of a base with the adjustable length and a movable port supporting winding and unwinding of a grounding wire. The base comprises a left pipe and a right pipe, wherein the left pipe and the right pipe are connected in a mutually sleeved mode and the lengths of the left pipe and the right pipe are adjustable; the movable part supporting winding and unwinding of the grounding wire comprises a left pillow block bearing, a right pillow block bearing, a left rotary disc and a right rotary disc, wherein the left rotary disc and the right rotary disc are installed through the left pillow block bearing and the right pillow block bearing respectively; the left pipe is sleeved with the right pipe, the bottoms of the tail end portions of the right pipe and the left pipe and the bottom of the left end of the right pipe are provided with parallel cross rods; r