Transfer apparatus for crane of wind power generator

PURPOSE: A transfer device of a crane for a wind power generator is provided to enable a decelerator to easily rotate even if the transfer device is installed on a high place, since torque is applied to the reducer using a long chain. CONSTITUTION: A transfer device of a crane for a wind power generator comprises a first transfer vehicle(10), a second transfer vehicle(30) ad a lift unit(50). The first transfer vehicle is movably installed along a nacelle frame in the length direction of a nacelle. The second transfer vehicle is movably installed on the first transfer vehicle in the direction of crossing the length direction of the nacelle. The lift unit is installed on the second transfer vehicle to be able to lift a heavy load. A first moving unit(20) moves the first transfer vehicle. A second moving unit(40) moves the second transfer vehicle.