| 摘要 |
It is described a holding device (100, 400) for holding a hub (120, 320) to be installed at a nacelle (870). The holding device comprises (a) a carrier element (102, 402) having a first end and a second end, (b) a first connection interface (104, 404) being arranged at the first end and being configured to connect the holding device to a lifting system (250), and (c) a second connection interface (106, 406) being arranged at the second end and being configured to connect the holding device to a blade pitch bearing (122, 322) of the hub. It is further described a pitch operating device (560) for operating a blade pitch angle adjustment device (526) of a hub being is dismounted from a nacelle (870). The pitch operating device comprises (a) an actuating unit (562) and (b) a power interface (564) for connecting the pitch operating device to the blade pitch angle adjustment device. Further it is described a hub installation system comprising such a holding device and such a pitch operating device. Further, a method for installing a hub at a nacelle and a method for dismounting a hub from a nacelle are described. |
