How to lift and lower the equipment in the rotor head of a wind turbine

摘要

A device lifting method in the rotor head of the wind power generator 1, which makes it possible to easily construct a device lifting operation in the rotor head 4 without an external crane. The method of elevating the apparatus in the rotor head includes a step of attaching the temporary winch rail 50 to the rail support part 44 formed in advance in the rotor head 4, and installing the temporary winch 51 on the temporary winch rail 50. Opening and lowering opening of the maintenance management hatch by the temporary construction winch 51 for the process of installing, the process of opening the maintenance management hatch formed in the rotor head 4, and the exchange device P detachable from the rotor head 4. 43) there is provided a step of lifting up and down.