Oil tank of stereoscopic roll-core transformer

An oil tank of a stereoscopic roll-core transformer is of a square structure and comprises an upper oil tank and a lower oil tank. The upper oil tank comprises a tank cover, an upper oil tank wall and an upper oil tank edge, wherein a plurality of pieces of reinforced iron are installed on the upper oil tank wall. Transverse and longitudinal reinforced ribs are installed on the tank cover. The lower oil tank comprises a tank bottom, a lower oil tank wall and a lower oil tank edge. A jack plate box reinforcing plate is installed on the lower oil tank wall. The upper oil tank edge and the lower oil tank edge are firmly connected through bolts and sealing pieces. Sand is poured into the reinforced iron installed on the upper oil tank wall. The tank cover, the tank bottom and the tank walls are all made of delta 16 thick steel boards. The oil tank meets the installation requirement of the stereoscopic roll-core transformer, and is reasonable in structure, high in mechanical intensity, free of deformation during negative pressure bearing test, attractive in appearance and convenient to place and transport.