TOOLS AND METHODS FOR UPTOWER MAINTENANCE

摘要

Tools, systems, and methods for use in conjunction with maintenance, assembly, rebuilding, or other procedures which involve displacing components of an assembly are disclosed. These tools, systems, and methods may be used in conjunction with a crane or other lifting device and may be configured to assemble, disassemble, or otherwise maintain components of an uptower gearbox.

主权项

1. A method of maintaining an uptower wind turbine gearbox comprising:
coupling a crane to a housing component of the gearbox and displacing the housing from the gearbox such that at least one gear is exposed; coupling the crane to a gear of the gearbox and displacing the gear from the gearbox; coupling the crane to a plate of the gearbox and displacing the plate from the gearbox; coupling the crane to a planet carrier of the gearbox and displacing the planet carrier from the gearbox; coupling the crane to a first planet gear of the gearbox and displacing the planet gear from the gearbox; and coupling the crane to a ring gear and displacing the ring gear from the gearbox; wherein an L-shaped lifting tool is used in the coupling of the crane to the gear of the gearbox, the plate, the planet carrier, the first planet gear and the ring, the L-shaped lifting tool comprising:
a horizontal first portion including a crane cable coupling section comprising a plurality of holes, wherein the plurality of holes is positioned to maintain the lifting tool in a predetermined orientation relative to the crane cable when coupled to the crane cable;a vertical second portion, the second portion coupled directly to and extending from the first portion to the interface portion;an interface portion extending from a terminal end of the second portion;a coupling member directly coupled to the interface portion and extending horizontally from the interface portion, anda hydraulic ram operably coupled to the coupling member and the first portion, the hydraulic ram configured to rotate the coupling member relative to the first portion and second portion when operated.