Full-sealing treatment device for transformer oil

The utility model discloses a transformer oil full-sealing processing device, which comprises an oil tank body and a plurality of sealing frames, the top of the oil tank body is provided with a tank cover, the periphery of the top of the oil tank body extends to form a fastening plate, the periphery of the bottom of the tank cover is provided with a sealing gasket corresponding to the top of the fastening plate, the sealing frames are arranged on the sealing gasket, and the top of the sealing frame is provided with a sealing groove. The sealing frame is arranged on the periphery of the box cover and the fastening plate, the sealing frame wraps the side edges of the box cover and the fastening plate, and pressing structures are arranged at the positions, corresponding to the periphery of the top of the box cover, of the sealing frame correspondingly, so that the use fastening performance of the box cover is improved; an auxiliary sealing structure is arranged at the position, corresponding to the side face bet