GEAR BOX FOR WIND TURBINE GENERATOR AND WIND TURBINE GENERATOR

摘要

Wind turbine generator gear box includes a casing, a carrier with planet pins held thereto, and planet bearings supported to the planet pins. A plurality of planet gears are supported to the planet pin via the planet bearings, having a ring gear and sun gear meshed therewith. The carrier has an inclined surface as part of an outer cylinder part provided on both ends of the planet pins, and whereby the farther from an axial center of the planet pin, the longer a distance between the inclined surface and the planet bearing.