| 摘要 |
The invention relates to a group of elements and to a method for lifting the rotor and/or the nacelle up the tower of a wind generator, containing a supporting element (2) that is arranged on the upper part of the tower (1), at least one winch-type lifting device (11) arranged on the ground with cables (12) that ascend up to the supporting element (2) and are connected to a chain hoist pulley system (9), lowering the cable(s) (12) until attachment of same to a displacement element (13) that moves vertically on the tower (1) in order to raise the nacelle (7) and the blades of the rotor (8), by means of the pull of the winches, up to the supporting element (2), where a carriage (10) is moved on a rail up to the vertical of the axis of the tower in order to lower the nacelle (7) and the rotor (8) to the site thereof, by means of at least one chain hoist. |
