Wind power gearbox high-speed shaft bearing temperature reduction device

The invention discloses a wind power gearbox high-speed shaft bearing temperature reduction device, which comprises an oil inlet sleeve, a box body, a bearing seat, a bearing regulating ring, a rightbearing, a fixed distance ring, a high-speed shaft end cover, a labyrinth ring, an oil return pipe, a left bearing, an oil blocking ring and a high-speed shaft, wherein the oil blocking ring is sleeved into the high-speed shaft; the left bearing, the bearing regulating ring and the right bearing ring are arranged in the bearing seat and are jointly arranged onto the high-speed shaft; the labyrinthring and the fixed distance ring are arranged onto the high-speed shaft and are tightly pressed by the high-speed shaft end cover; the oil return pipe is arranged on the high-speed shaft end cover; ahigh-speed shaft assembly formed through assembly is arranged in the box body; the oil inlet sleeve is inserted into a hole of the box body. The wind power gearbox high-speed shaft bearing temperature reduction device has the