Thrust bearing oil tank

A thrust bearing oil tank comprises a rotating shaft, a shell, a thrust bearing, a rolling bearing, a top cover and a cooling water tank, the rotating shaft is vertically arranged, and a shaft sleeve is arranged at the lower end of the rotating shaft; the shell is of a cylindrical structure and sleeves the rotating shaft, the lower end of the shell is provided with a bottom plate through which the rotating shaft penetrates, and the upper end of the shell is open; the bottom plate and the shell are of an integrally-formed structure, and the shaft sleeve is sleeved with the bottom plate through the bearing isolator. The thrust bearing comprises a thrust bearing static ring and a thrust bearing moving ring which abut against each other through thrust bearing balls, the bottom of the thrust bearing static ring is fixedly arranged on a bottom plate in the shell, and the thrust bearing moving ring is arranged on the bearing in a sleeving manner; the rolling bearing is arranged above the thrust bearing, the rotating