Verification device for relay protection device in power plant

The utility model discloses a verification device for a relay protection device in a power plant, which comprises a device body, a turnover rubber cover is arranged at an interface of the device body, and a verification line with an acquisition head extends out of an end face opening of the rubber cover; and the cleaning type clamping piece is used for cleaning the outer wall of the verification line and taking the collection head, and is connected to the exterior of the verification line in a sleeving manner. The beneficial effects of the utility model are that the movable cleaning type clamping piece is arranged on the verification line, dust on the outer wall of the verification line can be swept in the process of moving the sleeve, fingers are placed in the first fingerstall and the second fingerstall, the fingers can take the collection head across the insulation clamping plate, the fingers are prevented from directly contacting the collection head, and the collection head is prevented from being damaged