A method of handling a wind turbine component 18, 26, 28, 30, 32 in a nacelle 14 of a wind turbine 10, the nacelle 14 having structural gallery beams 84, includes installing a temporary, high load capacity crane 40 in the nacelle 14 and using the crane 40 to move the wind turbine component 18, 26, 28, 30, 32. Installing the crane 40 in the nacelle 14 includes providing the crane 40 as a plurality of separate crane components 42, 44, 46, 48, 50, transporting the crane components to the nacelle 14, and assembling the crane components in the nacelle 14 to form the high load capacity crane 40. The crane may be assembled manually and in a tool-less manner. The crane may comprise a structural frame 46 coupled to girder supports 42, 44, a trolley 48 coupled to the structural frame 46 and a high load capacity hoist 50 coupled to the trolley 48. The structural frame 46 may be formed from girder segments 122, 124 and cross support frames 114. The high load capacity hoist 50 may be raised to the trolley 48 using a lift frame 196, low load capacity hoist (218 fig. 10C) and lock plate (172 fig 10C) and then secured to the trolley using the lock plate (172 fig. 10C) and a locking device 168 including a lock bar (170 fig. 10C).
Method of handling a wind turbine component and crane for same
2019-07-10
Patent
Elektronische Ressource
Englisch
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