A crane (2) comprising a base portion (4), two arms (6, 8) displaceably connected to the base portion and a lifting boom (22) displaceably connected to the base portion, said lifting boom being provided with a lifting wire (32) and a lifting member (30), for example a lifting hook, for lifting a load, wherein the two arms and the base portion in combination comprise at least three tower flange connection element (10) is arranged to be detachably connectable to cooperating crane connection elements on a flange of a wind turbine tower section, wherein each arm comprises one of the tower flange connection elements, and wherein the vertical distance between any two tower flange connection elements in the normal operating position of the crane is less than 1 m, less than 50 cm or less than 25 cm. In this way a crane is provided which can be attached to a flange located at the upper portion of a tower section.
WIND TURBINE TOWER WITH CRANE CONNECTION ELEMENTS AND A CRANE WITH TOWER FLANGE CONNECTION ELEMENTS
28.07.2022
Patent
Elektronische Ressource
Englisch
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