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    A METHOD FOR ERECTING A WIND TURBINE TOWER USING STUD BOLTS
    1.
    发明申请
    A METHOD FOR ERECTING A WIND TURBINE TOWER USING STUD BOLTS 审中-公开

    公开(公告)号：WO2020233762A1

    公开(公告)日：2020-11-26

    申请号：PCT/DK2020/050143

    申请日：2020-05-19

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： SØRENSEN, Jakob Anders ,  BROE, Christine ,  JOHANSEN, Rasmus Sanderhoff

    IPC: F03D13/10

    Abstract: A method for erecting a wind turbine tower is disclosed. A tower section (8) comprising a lower flange (9) and an upper flange (10), and a plurality of stud bolts (6) and nuts (7) are provided. The tower section (8) is oriented in an upright position with the lower flange (9) below the upper flange (10), and stud bolts (6) are positioned in bolt holes (12) in the lower flange (9) with nuts (7) arranged on an upper side of the lower flange (9). The tower section (8) is lifted to a mounting position on top of another tower section (13), and a flange combination is formed by aligning the bolt holes (12) formed in the lower flange (9) of the tower section (8) with bolt holes (15) formed in an upper flange (14) of the other tower section (13), while advancing the stud bolts (6) through the bolt holes (12, 15). The invention further provides a socket tool (16) for screwing nuts (7) onto stud bolts (6) in a manner which positions the stud bolts (6) correctly with respect to a flange (9).

    A METHOD OF ERECTING A WIND TURBINE
    2.
    发明申请
    A METHOD OF ERECTING A WIND TURBINE 审中-公开

    公开(公告)号：WO2020001720A1

    公开(公告)日：2020-01-02

    申请号：PCT/DK2019/050207

    申请日：2019-06-26

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： JOHANSEN, Rasmus Sanderhoff ,  MADSEN, Søren Bøgelund ,  ANDERSEN, Jes Grøn ,  SØRENSEN, Jakob Anders

    IPC: F03D7/02 ,  F03D13/20 ,  F03D13/10

    Abstract: The present invention provides a method of erecting a wind turbine on a wind turbine site. The wind turbine comprises a turbine tower and a nacelle. The method comprises the following steps: providing a plurality of tower sections being arrangeable upon each other in a vertical orientation in a tower structure to form the turbine tower, providing at least two damper units configured to dampen oscillations of the turbine tower, attaching one of the at least two damper units to one of the plurality of the tower sections on an outside thereof, and subsequently arranging said tower section in the tower structure, attaching a subsequent one of the at least two damper units to another one of the plurality of the tower sections on an outside thereof, and subsequently arranging said tower section in the tower structure, while the previous one of the at least two damper units is still attached to the previous one of the plurality of tower sections.

    METHOD FOR HANDLING A WIND TURBINE COMPONENT AND ASSOCIATED LIFTING SYSTEM
    3.
    发明申请
    METHOD FOR HANDLING A WIND TURBINE COMPONENT AND ASSOCIATED LIFTING SYSTEM 审中-公开

    公开(公告)号：WO2020249174A1

    公开(公告)日：2020-12-17

    申请号：PCT/DK2020/050164

    申请日：2020-06-09

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： PETERSEN, Henrik ,  SØRENSEN, Jakob Anders

    IPC: B66C1/10 ,  B66C1/34 ,  B66C23/18 ,  F03D13/10

    Abstract: 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.

    AN ALIGNMENT TOOL FOR ALIGNING BORES IN STRUCTURAL MEMBERS
    4.
    发明申请
    AN ALIGNMENT TOOL FOR ALIGNING BORES IN STRUCTURAL MEMBERS 审中-公开

    公开(公告)号：WO2018137741A1

    公开(公告)日：2018-08-02

    申请号：PCT/DK2018/050011

    申请日：2018-01-23

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： HANSEN, Jesper Hermann ,  SØRENSEN, Jakob Anders ,  TORBORG, Jens

    IPC: B25B27/16

    Abstract: An alignment tool (1) for aligning a bore (13) extending through a first structural member (14) with a bore (19) extending through a second structural member (15) is disclosed. The alignment tool (1) comprises two shaft portions (2, 3) having a cylindrical or cylindrical like configuration. The second shaft portion (3) is arranged adjacent to the first shaft portion (2). A portion of the second surface forms a continuation of a portion of the first surface. A first bushing (8) is arranged along the first shaft portion (2) and substantially covering the first surface, and a second bushing (9) is arranged along the second shaft portion (3) and substantially covering the second surface. Mutual rotational movements are allowed between the first shaft portion (2) and the first bushing (8) and between the second shaft portion (3) and the second bushing (9).

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