Disclosed is wind power gear box high-speed shaft bearing cooling device

A wind power gear box high-speed shaft bearing cooling device comprises an oil inlet sleeve, a box body, a bearing seat, a bearing adjusting ring, a right bearing, a distance ring, a high-speed shaftend cover, a labyrinth ring, an oil return pipe, a left bearing, an oil baffle ring and a high-speed shaft. The oil retainer is sleeved into the high-speed shaft; the left bearing, the bearing adjusting ring and the right bearing are arranged in the bearing seat and are arranged on the high-speed shaft together; the labyrinth ring and the distance ring are arranged on the high-speed shaft and arepressed by the high-speed shaft end cover; the oil return pipe is mounted on the high-speed shaft end cover; wherein the assembled high-speed shaft assembly is arranged in the box body, and the oil inlet sleeve is inserted into a hole of the box body; the device has the characteristics of forced lubrication, oil storage lubrication, hot oil isolation, excessive oil return, capability of better solving the high-temperature