TOWER CRANE FOR ERECTING A WIND TURBINE, AND METHOD FOR ERECTING SAID TOWER CRANE

摘要

Disclosed is a tower crane (1) for erecting a wind turbine, comprising a mast (3) and a mast base (5) connected to the mast (3) for supporting the mast; the mast base (5) includes a spider-shaped supporting structure comprising three or more, preferably four legs (7) which extend away from the mast (3); a load distribution plate (11a, b) that is not connected to the foundation (101) is secured to the bottom of each leg; the load distribution plates (11a, b) jointly form the ballast for the mast.