| 摘要 |
There is disclosed a crane (2) with double wire guide (38) and anchoring bracket (10) arranged in the nacelle (4) of a wind turbine for hoisting -up and -down of heavy parts (8) of the wind turbine arranged in the nacelle (4), said crane (2) comprising an externally winch with wires (32, 34), located near the base of the tower (36) of the wind turbine, said winch being connected via the wire guide (38) to a pulley block (16) comprising a crane hook (17) at the end of the crane outrigger arm (20). The particular by the wire guide (38) is, that it by two set of pivotally mounted wire wheels (56, 64), mounted respectively on a fixed bracket part (10) of the crane, and the pivotal mounted part of the crane (28), controls the wires (32, 34) of the crane within an pivot interval between +/- 175 degrees from a 0-reference point, so that said wires never will touch each other. |
