公开(公告)号：US10982659B2

公开(公告)日：2021-04-20

申请号：US16326811

申请日：2017-08-29

Applicant: Vestas Wind Systems A/S

Inventor： Niels Møller Madsen ,  Mohanraj Kathiresan ,  Gajendra Narayanachar

IPC: F03D80/50 ,  F03D80/00 ,  B66C23/20

Abstract: The invention provides a method for opening a cover portion (202) of a wind turbine (1) comprising a nacelle (2) mounted on top of a tower (4), the nacelle supporting a rotor (3) and a generator (104) connected to the rotor, the nacelle (2) comprising a cover (201) presenting an access opening (203), the cover portion (202) being adapted to removably cover the access opening (203), the nacelle (2) also comprising a service crane (204), a cooler (205) being mounted to the nacelle (2) on an exterior of the nacelle (2), the method comprising attaching (S1) at least one hinge tool (6) to the cover portion (202) and to the cover (201), the hinge tool (6) presenting a swing joint (603), opening (S5) by means of the service crane (204) the cover portion (202) in a pivoting motion around the swing joint (603), and securing (S6) the opened cover portion (202) to the cooler (205).

公开(公告)号：US20190226460A1

公开(公告)日：2019-07-25

申请号：US16326811

申请日：2017-08-29

Applicant: Vestas Wind Systems A/S

Inventor： Niels Møller Madsen ,  Mohanraj Kathiresan ,  Gajendra Narayanachar

IPC: F03D80/50 ,  B66C23/20

Abstract: The invention provides a method for opening a cover portion (202) of a wind turbine (1) comprising a nacelle (2) mounted on top of a tower (4), the nacelle supporting a rotor (3) and a generator (104) connected to the rotor, the nacelle (2) comprising a cover (201) presenting an access opening (203), the cover portion (202) being adapted to removably cover the access opening (203), the nacelle (2) also comprising a service crane (204), a cooler (205) being mounted to the nacelle (2) on an exterior of the nacelle (2), the method comprising attaching (S1) at least one hinge tool (6) to the cover portion (202) and to the cover (201), the hinge tool (6) presenting a swing joint (603), opening (S5) by means of the service crane (204) the cover portion (202) in a pivoting motion around the swing joint (603), and securing (S6) the opened cover portion (202) to the cooler (205).