Grounding device in insulated lead stringing process

The utility model discloses a grounding device in an insulated lead stringing process, which comprises a pay-off reel lower disc, a pay-off reel upper disc, a lead disc, a grounding connecting rod, a rotary grounding clamp, a bearing, a grounding wire and a grounding needle, a fixing pipe is arranged on the upper middle portion of the upper pay-off reel body, a mounting base used for fixing the rolling bearing is arranged on the lower middle portion of the upper pay-off reel body, and the rotating shaft penetrates through the upper pay-off reel body and is arranged in the fixing pipe in a sleeved mode. The upper end of the grounding connecting rod is connected with the rotary grounding device, and the lower end is connected with the fixed pipe. The other end of the rotary grounding device is connected with a cable head. The wire disc penetrates through the fixing pipe and the grounding connecting rod to be arranged on the upper disc of the pay-off disc. And the grounding pin is connected with the lower disc o