A wind turbine rotor assembly comprises: a rotor support; a rotor which is rotatably mounted to the rotor support; and a base support; wherein the rotor support and base support are provided with an engagement mechanism which allows the rotor support and base support to engage with each other so tha
A wind turbine rotor assembly comprises: a rotor support; a rotor which is rotatably mounted to the rotor support; and a base support; wherein the rotor support and base support are provided with an engagement mechanism which allows the rotor support and base support to engage with each other so that when the rotor support and base support are moved together a hinged connection is formed between the rotor support and base support, which hinged connection allows the rotor support to rotate relative to the base support during installation or decommissioning of the rotor.
대표청구항▼
1. A wind turbine rotor assembly comprising: a rotor support;a rotor which is rotatably mounted to the rotor support; anda base support;wherein the rotor support and base support are provided with engagement means which allow said rotor support and base support to engage with each other so that when
1. A wind turbine rotor assembly comprising: a rotor support;a rotor which is rotatably mounted to the rotor support; anda base support;wherein the rotor support and base support are provided with engagement means which allow said rotor support and base support to engage with each other so that when the rotor support and base support are moved together a hinged connection is formed between the rotor support and the base support, which hinged connection allows the rotor support to rotate relative to the base support during installation or decommissioning of the rotor. 2. The wind turbine rotor assembly as claimed in claim 1, wherein the rotor support and the base support are arranged to releasably connect with each other when the rotor support and the base support are moved together. 3. The wind turbine rotor assembly as claimed in claim 1, wherein said hinged connection is arranged to allow said rotor and the rotor support to hinge about a substantially horizontal axis in use. 4. The wind turbine rotor assembly as claimed in claim 1, wherein said engagement means comprises at least one male mating portion, said at least one male mating portion being provided on at least one of said rotor support and said base support. 5. The wind turbine rotor assembly as claimed in claim 4, wherein said at least one male mating portion includes at least one hook. 6. The wind turbine rotor assembly as claimed in claim 4, wherein said at least one male mating portion comprises at least one cylindrical portion, the at least one cylindrical portion is at least one of: a cylindrical in shape, a semi-cylindrical in shape or a part-cylindrical in shape, and wherein said at least one cylindrical portion has a longitudinal axis which, in use, forms the axis of rotation of a hinged connection between said rotor support and the base support. 7. The wind turbine rotor assembly as claimed in claim 4, wherein said at least one male mating portion is provided with a generally circular protrusion. 8. The wind turbine rotor assembly as claimed in claim 7, wherein said at least one male mating portion comprises at least one cylindrical portion, the at least one cylindrical portion is at least one of: a cylindrical in shape, a semi-cylindrical in shape or a part-cylindrical in shape, wherein said at least one cylindrical portion has a longitudinal axis which, in use, forms the axis of rotation of a hinged connection between said rotor support and the base support, and wherein said generally circular protrusion is provided at the end of said at least one cylindrical portion. 9. The wind turbine rotor assembly as claimed in claim 4, wherein said engagement means comprises at least one recess, said at least one recess being provided on at least one of said rotor support and said base support, and said at least one recess being adapted to receive said at least one male mating portion in order to form a joint between the rotor support and the base support. 10. The wind turbine rotor assembly as claimed in claim 9, wherein said at least one male mating portion is provided with a generally circular protrusion, and wherein said at least one recess comprises at least one cylindrical recess, the at least one cylindrical recess is at least one of: a cylindrical in shape, a semi-cylindrical in shape or a part-cylindrical in shape, and which is adapted to receive a cylindrical portion of said at least one male mating portion so as to form said joint between the rotor support and the base support. 11. The wind turbine rotor assembly as claimed in claim 9, wherein said at least one male mating portion is provided with a generally circular protrusion, and wherein said engagement means comprises at least one generally circular recess adapted to receive said generally circular protrusion so as to prevent, in use, said at least one male mating portion from leaving said at least one recess when the rotor support is rotated relative the base support. 12. The wind turbine rotor assembly as claimed in claim 1, wherein a joint is arranged to allow the rotor support to rotate relative to the base support through an angle of about 90 degrees. 13. The wind turbine rotor assembly as claimed in claim 1, wherein a guiding structure is provided for guiding said rotor support and the base support into engagement with each other when said rotor support and the base support are moved together to form a joint. 14. The wind turbine rotor assembly as claimed in claim 13, wherein said guiding structure comprises at least two guide members, and wherein a distance between said at least two guide members decreases with decreasing distance from said base support. 15. The wind turbine rotor assembly as claimed in claim 1, which further comprises hydraulic damping means for damping an impact between the rotor support and the base support as the rotor support and the base support are moved into engagement with each other. 16. The wind turbine rotor assembly as claimed in claim 1, wherein: said rotor is rotatably mounted to said rotor support about a rotor axis;said rotor support is provided with a rotor support surface which lies generally in a first plane;said base support is provided with a base support surface which lies generally in a second plane;said rotor support surface and the base support surface are arranged to abut each other to limit a rotation of the rotor support and thereby define a final position for said rotor support; andsaid first plane is arranged at an angle so that it is not perpendicular to said rotor axis. 17. The wind turbine rotor assembly as claimed in claim 16, wherein said first plane is arranged at an angle of between 10 and 80 degrees relative to said rotor axis. 18. A method of mounting a wind turbine rotor on a base support, said wind turbine rotor being rotatably mounted on a rotor support, said method comprising the steps of: suspending said wind turbine rotor in a generally horizontal position;moving said rotor support into engagement with said base support in order to form a hinged connection between the rotor support and the base support; androtating said rotor support relative to said base support about said hinged connection, so as to rotate said wind turbine rotor from said generally horizontal position to a generally vertical position. 19. The method as claimed in claim 18, wherein said step of suspending said wind turbine rotor includes suspending said wind turbine rotor above said base support by means of a flexible cable. 20. The method as claimed in claim 18, wherein said step of rotating said rotor support includes rotating said rotor support by means of lowering a height at which said wind turbine rotor is suspended.
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이 특허에 인용된 특허 (11)
Arel,David V., Driving device for raising or lowering an airfoil.
Bervang,Anders Greve, Methods of handling wind turbine blades and mounting said blades on a wind turbine, system and gripping unit for handling a wind turbine blade.
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