CPC B66C 23/185 (2013.01) [B66C 13/18 (2013.01); B66C 23/36 (2013.01)] | 26 Claims |
1. A tower crane for assembling a wind turbine, comprising:
a boom assembly comprising a boom and a hoisting block coupled to the boom;
an extendable tower assembly comprising a plurality of tower sections; and
a transport assembly comprising a central support frame coupled to the tower assembly, a plurality of independently self-propelled transporters configured to transport the tower crane, and a plurality of diagonal braces extending between the central support frame and the plurality of transporters, wherein each of the plurality of diagonal braces comprises a linear actuator positioned along the diagonal brace and configured to selectably extend and retract the diagonal brace.
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