Adjustable low-voltage air switch grounding device

The invention, which relates to the technical field of power equipment maintenance, in particular provides an adjustable low-voltage air switch grounding device comprising an air switch, contact terminals, grounding screws, an upper fastening nut, a lower fastening nut, an insulating plate and a fixing support assembly. Four wire grooves are formed in the front side of the air switch at intervalsfrom left to right; and one contact terminal is arranged at the lower end of each wire groove. The insulating plate is arranged above the air switch; a rectangular groove is formed in the middle of the insulating plate in a vertical communicating manner; the grounding screws are arranged in the rectangular groove by corresponding to all wire grooves; and the lower ends of the grounding screws arein contact with the contact terminals arranged in the corresponding wire grooves. According to the invention, the adjustable low-voltage air switch grounding device has a reasonable and compact structure and is convenient to u