Wind turbine drive shaft connection arrangement

摘要

A connection arrangement (110) for connecting drive shafts of a wind turbine (100) including a rotor having a rotor shaft (112) and a hub (104), and a gearbox (111) having a gearbox input shaft (114) is provided. The connection arrangement (110) includes a first shaft connection means having a recessed portion (204) arranged at the rotor shaft (112) symmetrically to the axis of the rotor shaft (112), a second shaft connection means having a protruding portion (207) arranged symmetrically to the axis of the gearbox input shaft (114), wherein the protruding portion (207) of the second shaft connection means engages with the recessed portion (204) of the first shaft connection means, and a fixing means for fixing the protruding portion (207) of the first shaft connection means at the recessed portion (204) of the second shaft connection means. A frictionally engaged connection is provided.