Split crane for installation of wind turbines and other tall structures
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United States of America Patent
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Feb 14, 2023
Grant Date -
Aug 26, 2021
app pub date -
Jun 14, 2019
filing date -
Jun 14, 2018
priority date (Note) -
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Abstract
The present invention relates to a method for installing a wind turbine or other tall structure at a target location at sea, the method comprising: —providing an installation vessel comprising at least one crane, wherein the crane comprises a lower boom part, a right boom part, and a left boom part, wherein the right boom part and the left boom part are connected to an upper portion of the lower boom part and extend from said upper portion, wherein a space is present between the right and left boom part, —lifting a tall structure part, in particular the nacelle assembly, with the crane, wherein in top view the tall structure part is supported at least partially between the right and left boom part by one or more hoist lines extending from the right and left boom part to the tall structure part.
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