High-voltage line grounding device

The invention discloses a high-voltage line grounding device which comprises a base, a height adjusting mechanism, a quick mounting mechanism and a supporting and expanding mechanism. A support is fixedly connected to the upper surface of the base, a sliding supporting frame is slidably connected to the interior of the support, and a weight reduction groove is formed in the sliding supporting frame; the height adjusting mechanism is arranged in the support; the quick mounting mechanism is arranged at the upper end of the sliding support frame; the supporting and expanding mechanism is arranged in the base; the high-voltage line grounding device further comprises mounting plates, the mounting plates are fixedly connected to the upper surface of the rapid mounting mechanism, the high-voltage line grounding device can rapidly adjust the height and expand the supporting mechanism by increasing the contact area with the ground, the high-voltage line grounding device adapts to different working environments, suppor