Abstract: A device for placing a rotor blade of a wind turbine. The device includes a hoisting means on a surface of which a boom rotatable around a substantially vertical rotation axis is provided with at least one hoisting cable. The at least one hoisting cable includes an attaching means, to which a rotor blade for placing can be attached via an elongate hoisting yoke, the hoisting yoke extending in a longitudinal direction of the rotor blade. The boom includes a guide device to limit movement of the hoisting yoke in a direction running transversely of the lifting plane. The device or hoisting yoke further includes a displacer for displacing the hoisting yoke or parts of the hoisting yoke in the longitudinal direction of the rotor blade. A method which makes use of the invented device.

Abstract: The invention relates to a device for assembling a structure constructed from components, in particular a wind turbine. The device includes a lift placed on a surface for the purpose of placing a component on an available support structure, wherein a boom of the lift is provided with a main hoisting cable with a hoisting tackle for releasable attachment of the component for lifting to the boom. The boom further includes a guide device for the hoisting tackle, the guide device is connected to the boom for displacement along a longitudinal axis of the boom using a displacing device, and the guide device is configured to limit movement of the hoisting tackle in at least one direction. The invention likewise relates to a method which makes use of the invented device.

Abstract: A device for placing components of a structure, in particular a wind turbine includes hoisting means placed on a surface, a boom of which is provided with a hoisting cable with attaching means for a component for placing, wherein a lifting plane is defined by the boom and the free-hanging hoisting cable. The boom includes a guide device for the attaching means. The guide device is connected to the boom by means of a displacing device displaceable along a longitudinal axis of the boom. The guide device is configured to limit movement of the attaching means in a direction running transversely of the lifting plane, and further includes a catching construction configured to receive and displace the attaching means parallel to the lifting plane between a position in the vicinity of the boom and a position further removed from the boom and/or vice versa.

Abstract: A device for placing components of a structure, in particular a wind turbine includes hoisting means placed on a surface, a boom of which is provided with a hoisting cable with attaching means for a component for placing, wherein a lifting plane is defined by the boom and the free-hanging hoisting cable. The boom includes a guide device for the attaching means. The guide device is connected to the boom by means of a displacing device displaceable along a longitudinal axis of the boom. The guide device is configured to limit movement of the attaching means in a direction running transversely of the lifting plane, and further includes a catching construction configured to receive and displace the attaching means parallel to the lifting plane between a position in the vicinity of the boom and a position further removed from the boom and/or vice versa.