| 摘要 |
A method for establishing access for mounting and dismounting of main shafts, gearbox, generator and other main parts located in the nacelle of a wind turbine, where the cabriolet remains localized on the nacelle, and guide transfer mechanisms are provided for mounting inside the nacelle. The basic idea is that the cabriolet is lifted upon rolls or roll sets which form the guide transfer mechanisms upward facing support surfaces, and that the cabriolet is stabilized by displaceable counter holds which are displaced and locked in position above the downwards positioned mounting flange, upon which the cabriolet can be displaced on the rollers or roll sets to a partly cantilevered position over the rear end of the nacelle. By the method, service on larger wind turbines can be performed without using mobile cranes, which saves resources. |
| 主权项 |
1. Method for establishing access to the removal and installation of main shafts (14), gearbox (16), generator and other main parts located in the nacelle (2) of a wind turbine (4), where the nacelle cabriolet (6) remains on the nacelle (2) and comprising the following operations;
mounting at least two sets of pairs of opposing guide transfer mechanisms (18, 18′, 22, 22′), on the inner side (24, 24′, 28) of the nacelle respectively near the front end (8) (the shaft end) and the rear end (10), the upwardly facing free ends (52) of which comprises at least one first roller (54), displacement of the free ends (52) of the guiding transfer mechanisms to abutment with the abutment flange (58) of the cabriolet relative to the nacelle base by jacks or winches, displacement of a counter holding roller or counter hold (62) located in the level above the first roller(s) and the abutment flange (58) of the cabriolet in position above the abutment flange (58) of the cabriolet at each guide transfer mechanism (18, 18′, 22, 22′), displacement of the cabriolet (6) in backwards direction, away from the front end (8) to a position where a part of the cabriolet is cantilevered over the rear edge (10) of the nacelle. |
