Provided is a lifting tool for lifting a wind turbine blade by means of a crane for subsequent assembly with a wind turbine, the lifting tool having at least one attachment means for attachment to the crane and at least one holding device for holding the wind turbine blade, whereby the at least one holding device is connected to a controller of the lifting tool and the holding device includes at least one movable supporting element for supporting the wind turbine blade and at least one actuator connected to the at least one movable supporting element and controlled by the controller so that the movable supporting element is movable by means of the actuator. Further provided is a lifting arrangement, a wind turbine installation environment and a method for assembling a wind turbine blade with a hub of a wind turbine.

A lift system mountable in a nacelle of a wind turbine has a boom having a proximal end mountable in the nacelle and a distal end extending over a hub of a rotor of the wind turbine when the lift system is mounted in the nacelle. The lift system has a frame structure for mounting the proximal end of the boom in the nacelle, a winch mounted to the boom, a fastener situated below the boom and operatively connected to the winch by at least one cable, and a trolley movably mounted to the boom to permit translation of the trolley longitudinally along the boom thereby permitting longitudinal movement of the fastener with respect to the boom.

An apparatus for controlling rotational orientation of a load suspended from the apparatus comprises a housing or framework for coupling to the load. At least one torque generating device is mounted to the housing or framework. A motorized frictionless swivel is coupled directly or indirectly to the housing or framework and to one or more lines suspending the load. A controller in communication with the torque generating device and the motorized frictionless swivel controls a proportion of rotational force applied to the load from the torque generating device and the motorized frictionless swivel to control the rotational orientation of the load. One or more thrusters movably mounted directly or indirectly to the housing or framework via respective mounting elements vary a position of the thrusters from a centre of the housing or framework and the controller controls a proportion of rotational force applied to the load from the thrusters.

Provided is an installation system for installing a tower of a wind turbine. The present invention further relates to a tower of a wind turbine including the installation system. The present invention further relates to a method of upending a tower of a wind turbine using the installation system. The present invention further relates to a method of installing a tower of a wind turbine using the installation system.

A transport system for transporting a tower of a wind turbine including a frame coupled to a tower end of the tower, a wing coupled to the frame, and a lifting unit configured to lift the tower is provided. A tower of a wind turbine including the transport system is also provided. A method of transporting a tower of a wind turbine using the transport system is also provided.

A lifting beam and a lifting device are provided according to the embodiments of the present application. The lifting beam includes a beam body, a lifting lug adjusting member and lifting lugs, wherein the beam body extends in a first direction; the lifting lug adjusting member includes a lifting member and an adjusting member connected with each other, the lifting member is movably fitted over the beam body, and a position of the lifting member with respect to the beam body in the first direction can be adjusted by the adjusting member; and the lifting lugs are arranged on the lifting member and are located above the beam body. The lifting device includes the lifting beam. In the embodiments of the present application, the position of the lifting lugs can be adjusted according to the lifting requirements at any time, to ensure the stability of the lifting process.

A method for handling a wind turbine component (20) is disclosed. The method includes providing a lifting system including a hoist cable (36) and an attachment assembly (38). The attachment assembly includes one or more removable ballast weights (48). The method includes positioning the attachment assembly near a working surface, removing at least some of the one or more ballast weights from the attachment assembly, and attaching a lifting tool (34) to the attachment assembly. The combined weight of the attachment assembly and the lifting tool is sufficiently greater than a threshold weight of the lifting system. The method further includes attaching a wind turbine component to the lifting tool and moving the wind turbine component using the lifting system. A lifting system is also disclosed. The lifting system includes a hoist cable, an attachment assembly, and a lifting tool. The combined weight of the attachment assembly and the lifting tool is sufficiently greater than a threshold weight of the lifting system.

A system and method for removing or installing wind turbine blades, comprising a single spreader-type bar fitted with specialized end units with rotatable chain and/or cable for supporting the blade at two or more lift points. The inventive device allows for a single-crane lift of a wind turbine blade, with the ability to remotely control and fine tune the level and pitch of the blade during all portions of the lifting, lowering, installation and/or removal operations.

An apparatus for removing and installing a blade for a wind turbine is provided, comprising a first set of cable guides mounted within the nacelle, and a second set of cable guides positioned on an exterior surface of the rotor hub. An upper pulley block is suspended from a first hub flange and a second hub flange, wherein the upper pulley block is positioned above a third hub flange in a position for accepting the blade. A winch is positioned at a ground level, and the winch contains a lifting cable guided by the cable guides, and then reeved through the upper pulley block and a lower pulley block on a blade holding bracket, allowing the lower pulley block to be raised and lowered relative to the upper pulley block. The blade holding bracket attaches to the root end of the blade, and the lower pulley block is allowed to pivot and swivel relative to the blade holding bracket.

A tagline control system for handling a wind turbine component during an operation on a wind turbine using a lifting apparatus. The tagline control system includes a tagline control module (74, 164) having a housing (80), at least two winches (126,128) disposed within the housing and each having a tagline cable (130, 132), a controller (146) disposed within the housing and operatively coupled to the at least two winches, and a power source (148) disposed within the housing (80) and operatively coupled to the at least two winches. A method of handling a wind turbine component during an operation on a wind turbine using the lifting apparatus includes coupling the tagline control module to the lifting apparatus and to a wind turbine component, and operating the tagline control system to effectuate the position of the wind turbine component.