Aerogenerator shaft seal device

The utility model discloses an aerogenerator shaft seal device, including fixing at main epaxial axle sleeve and fixing the end cover on the bearing frame, the end cover with form a labyrinth seals structure between the axle sleeve for the inside grease that reduces at sealing device leaks, the outside of axle sleeve surface with be provided with the sealing member between the end cover for prevent in sealing device's outside that the grease from leaking. The utility model discloses an aerogenerator shaft seal device adopts the structure of two kinds of sealing method combinations, under the dual function of labyrinth seals structure and sealing member, has solved the problem that the main shaft bearing grease leaked effectively, has guaranteed main shaft bearing's safe operation, has reduced the maintenance cost, has improved product quality.