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MAINTENANCE SYSTEM FOR WIND TURBINE EQUIPMENT

  • US 20120125876A1
  • Filed: 03/31/2009
  • Published: 05/24/2012
  • Est. Priority Date: 09/01/2008
  • Status: Active Grant
First Claim
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1. A maintenance system for wind turbine equipment including a nacelle having a gear box and a generator to generate electricity using wind power, a blade mechanically connected to the gear box, and a tower supporting the nacelle on an upper end thereof, the maintenance system, comprising:

  • a trolley support unit provided at an upper position in the nacelle so as to be movable in a longitudinal direction of the nacelle;

    a trolley provided on the trolley support unit so as to be movable in a lateral direction of the nacelle;

    a pulley installed in the trolley so as to be rotatable;

    a winch unit connected to the pulley through a wire; and

    a door provided in a lower end of the nacelle so that an element of the nacelle to be maintained or repaired is removed from or inserted into the nacelle through the door.

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