HIGH CAPACITY ELEVATOR FOR WIND TURBINE MAINTENANCE

摘要

The invention generally relates elevator assemblies suitable for lifting heavy components associated with wind turbines. In certain embodiments, the invention provides an elevator assembly encompassing a wind turbine nacelle and an elevator frame. The elevator frame is configured to surround a tower supporting the nacelle of the wind turbine and is equipped with a means for balancing the frame along a horizontal axis. In some aspects, the means for balancing the frame include a ballast tank system.