Patent ID: 8450871

Claim:
A wind power plant (W) comprising: a rotor, which is in operative connection with a gearbox ( 13 ) via a rotor shaft ( 12 ), wherein the gearbox ( 13 ) is in operative connection with a generator via a main drive that is partially outside of the gearbox, wherein the gearbox ( 13 ) has an auxiliary drive ( 30 ), wherein a rotor positioning rotating device ( 24 ) is arranged on the auxiliary drive ( 30 ) so that the rotor of the wind power plant (W) is positioned using the rotor positioning rotating device ( 24 ) and the auxiliary drive ( 30 ) of the gearbox ( 13 ), wherein a gearbox-external drive ( 25 ) is provided for the rotor positioning rotating device ( 24 ), wherein the gearbox-external drive ( 25 ) and a part of the rotor positioning rotating device ( 24 ) to be driven, which is driven by the gearbox-external drive, are coupled or connected with each other via at least one adapter ( 37 ), and wherein the adapter ( 37 ) has an overload coupling.