FIELD: energy.
SUBSTANCE: invention relates to wind-driven power plants. Rotor hub (1) on a wind turbine, comprises a handling device for lifting rotor hub (1) by means of a crane for mounting rotor hub (1) on nacelle (104) arranged on wind turbine tower (102). Handling device is prepared in such a way that when being lifted on a fastening segment (14) of handling device rotor hub (1) turns from a vertical alignment with substantially vertical hub axis (28) to a horizontal alignment with substantially horizontal hub axis (28).
EFFECT: preventing damage of hub.
11 cl, 4 dwg
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