Wind turbine lifting rig

Abstract

The present disclosure provides a system for lifting and mounting components of a wind turbine assembly to the top of a wind turbine tower without the requirement of a large crane to reach the top of the tower. The system comprising: an adjustable frame defining an interior space sized to receive the tower, wherein the adjustable frame comprises one or more actuators configured to reduce or expand the interior space defined by the adjustable frame; a first boom attached to the adjustable frame, the first boom rotatable with a first boom actuator; and a second boom attached to the adjustable frame, the second boom rotatable with a second boom actuator, and wherein the first boom and the second boom are joined by a telescoping crossmember.

Dependencies are inferred from the claim text.