High-voltage isolation switch contact maintenance device

The utility model discloses a high-voltage isolation switch contact maintenance device which comprises a supporting rod, a screw rod is arranged at the upper end of the supporting rod, a threaded hole is formed in the outer surface of the upper end of the supporting rod, a rubber sleeve is fixedly installed on the outer wall of the upper portion of the supporting rod, and a concave limiting block is fixedly installed on the outer surface of the upper end of the screw rod. A clamping assembly is fixedly mounted on the outer surface of the lower end of the supporting rod and comprises a sliding groove, an extension spring, a sliding block, an anti-toppling limiting block, a clamping plate, a handle and a mounting block. According to the high-voltage isolation switch contact maintenance device, one end of the contact is conveniently limited and supported through the arranged concave limiting block, the height of the concave limiting block is changed by rotating the position of the screw rod in the threaded hole,