US 10,502,193 B2 · Repair method for a gearbox assembly of a wind turbine

Abstract

A repair method for a gearbox assembly for a wind turbine is disclosed. The gearbox includes a gearbox housing having an upwind end and a downwind end, a gear assembly configured within the gearbox housing, at least one shaft configured with the gear assembly and extending from the gearbox housing to a generator of the wind turbine, and a sleeve assembly configured with the gearbox housing. Further, the sleeve assembly is removable so as to provide additional space in the gearbox housing during at least one of disassembly or assembly of the gearbox assembly such that the various components can be easily repaired and/or replaced.

Claims13

Dependent claims

A method for uptower repair and/or replacement of a gearbox of a wind turbine, the gearbox operably coupled to a generator via a gearbox shaft and housed within a nacelle mounted atop a tower of the wind turbine, the method comprising:

removing one or more downwind securement components of a gearbox shaft of the gearbox;
removing a downwind gearbox bearing of the gearbox,
supporting the gearbox shaft via at least one support component;
removing at least one sleeve assembly that is embedded within a gearbox housing so as to create additional space for repair and/or replacement of one or more gearbox components;
moving the gearbox shaft towards the generator with an inner race of an upwind gearbox bearing installed thereon and an outer race of the upwind gearbox bearing remaining in place;
and
removing the outer race of the upwind gearbox bearing from the gearbox housing after the gearbox shaft is moved.

4 more elements

Dependencies are inferred from the claim text.

Repair method for a gearbox assembly of a wind turbine

Life of this patent

Repair method for a gearbox assembly of a wind turbine

Life of this patent

Abstract

Claims13