Nuclear power station lead-acid storage battery sealing ring replacing device

The utility model belongs to the technical field of nuclear power station maintenance, and particularly discloses a nuclear power station lead-acid storage battery sealing ring replacing device which comprises a seat body, a screw rod installed in the center of the seat body, a left side screw rod, a right side screw rod, a rotating handle installed at the top of the screw rod and a center nut used for connecting the screw rod and the seat body, the left side locking nut is used for connecting the seat body with the left side screw rod; the right side locking nut is used for connecting the seat body with the right side screw rod; the base body and the lead screw can move relatively, the bottom of the lead screw is sharpened to form a tip, and the distance between the left screw and the right screw is smaller than the diameter of a storage battery sealing ring. According to the device disclosed by the utility model, the old sealing ring can be taken out on the basis of not damaging the old sealing ring and the