Device for installing electricity testing grounding ring without power cut by ground potential

The utility model relates to a device for uninterruptedly installing an electricity testing grounding ring at a ground potential. The device comprises an upper main pressing plate, a voltage dividing sheet, a lower main pressing plate, a grounding ring, a main pressing screw and a voltage dividing screw, main pressing screw holes matched with the main pressing screws are formed in the upper main pressing plate, the partial pressing sheet and the lower main pressing plate; the upper main pressing plate, the partial pressing sheet and the lower main pressing plate are connected from top to bottom through the main pressing screw holes and the main pressing screws; the upper main pressing plate and the pressure dividing piece are both provided with pressure dividing screw holes matched with the pressure dividing screws. The upper main pressing plate is connected with the partial pressure sheet through the partial pressure screw and the partial pressure screw hole; the lower main pressing plate is provided with pa