Bus grounding device of high-voltage switch cabinet

The invention discloses a bus grounding device of a high-voltage switch cabinet. The bus grounding device comprises an insulating rod; the moving contact and the static contact on the bus are correspondingly arranged, the moving contact comprises a fixing ring, the fixing ring is detachably connected to the top end of the insulating rod, a plurality of contact plates are axially hinged to the outer wall of the fixing ring at equal intervals, and the contact plates are in contact fit with the static contact on the bus; the expansion mechanism is arranged on the fixing ring, and the expansion mechanism is used for controlling the contact plate to be expanded; and the shrinking mechanism is arranged on the outer wall of the contact plate, and the shrinking mechanism is used for controlling the multiple contact plates to retract. The moving contact can be suitable for different static contacts, the application range of the device is widened, and meanwhile the device is easy to operate and convenient to carry. 本发明