Tower crane for erecting a wind turbine, and method for erecting the tower crane

摘要

The invention relates to a tower crane (1) for erecting a wind energy plant, comprising a tower (3) and a tower substructure (5) connected to the tower (3) for supporting the tower, the tower substructure (5) comprising a supporting cross or more, preferably four legs (7) extending away from the tower (3). According to the invention, it is proposed that a load distribution plate (11a, b) which is unconnected to the foundation (101) is attached to each leg on the bottom side, the load distribution plates (11a, b) jointly forming the ballast of the tower.