IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0684378
(2010-01-08)
|
등록번호 |
US-8397382
(2013-03-19)
|
발명자
/ 주소 |
- Anasis, George
- Bogaert, Joost
- Arellano, Ricardo
- Flobeck, Gregg
|
출원인 / 주소 |
- Sky Climber Wind Solutions LLC
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
3 |
초록
▼
A method of repairing a wind turbine blade while mounted on a tower without removing the blade from the tower is provided. The method may begin by positioning the wind turbine blade in a substantially vertical orientation. Next, a blade reinforcement structure is secured to the blade to reduce stres
A method of repairing a wind turbine blade while mounted on a tower without removing the blade from the tower is provided. The method may begin by positioning the wind turbine blade in a substantially vertical orientation. Next, a blade reinforcement structure is secured to the blade to reduce stress on a portion of the blade. The blade is repaired by removing a damaged portion of the blade, and installing a repair portion to the blade where the damaged portion was removed. The method may conclude by removing the blade reinforcement structure from the blade.
대표청구항
▼
1. A method of repairing a wind turbine blade (100) while mounted on a tower (500) without removing the blade (100) from the tower (500), comprising: positioning the blade (100) in a substantially vertical orientation;suspending a blade reinforcement structure (600) from a nacelle (400) via a hoisti
1. A method of repairing a wind turbine blade (100) while mounted on a tower (500) without removing the blade (100) from the tower (500), comprising: positioning the blade (100) in a substantially vertical orientation;suspending a blade reinforcement structure (600) from a nacelle (400) via a hoisting system (1600) including a sinistral cable (1610), a dextral cable (1620), a sinistral hoist (1630), and a dextral hoist (1640), and further including the step of operating the sinistral hoist (1630) and the dextral hoist (1640) to raise the blade reinforcement structure (600) to the damaged portion (230);securing the blade reinforcement structure (600) to the blade (100) to reduce stress on a portion of the blade (100) further including the step of securing a clamping structure (700) to the blade (100) including securing a primary proximal clamp (800) and a primary distal clamp (1000) to the blade (100), and further includes the step of rigidly interlocking the primary proximal clamp (800) and the primary distal clamp (1000) with a clamp interlock structure (1200) so that the blade reinforcement structure (600) applies a load to the blade (100) in at least two locations, wherein the damaged portion (230) is located between the primary proximal clamp (800) and the primary distal clamp (1000);removing a damaged portion (230) of the blade (100);installing a repair portion (240) to the blade (100) where the damaged portion (230) was removed; andremoving the blade reinforcement structure (600) from the blade (100). 2. The method of claim 1, further including the step of positioning the blade (100) so that a blade leading-to-trailing edge axis (150) is substantially parallel to a wind direction. 3. The method of claim 1, wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 4. The method of claim 1, wherein the clamp interlock structure (1200) includes at least a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 5. The method of claim 1, wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202) and a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) and the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 6. The method of claim 1, further including the steps of securing a secondary proximal clamp (900) above the primary proximal clamp (800), securing a secondary distal clamp (1100) below the primary distal clamp (1000), interlocking the primary proximal clamp (800) and the secondary proximal clamp (900) with a secondary proximal clamp interlock structure (1210), and interlocking the primary distal clamp (1000) and the secondary distal clamp (1100) with a secondary distal clamp interlock structure (1220). 7. The method of claim 1, wherein the primary proximal clamp (800) is secured above a max chord location (180) and the primary distal clamp (1000) is secured below the max chord location (180). 8. The method of claim 7, wherein the secured primary proximal clamp (800) cannot pass the max chord location (180). 9. The method of claim 1, further including the step of securing a reinforcement structure work platform (610) to the blade reinforcement structure (600). 10. The method of claim 1, further including the step of enclosing the damaged portion (230) of the blade (100) within a containment structure (620). 11. The method of claim 10, further including the step of controlling the temperature of the air within the containment structure (620). 12. The method of claim 11, further including the step of controlling the humidity of the air within the containment structure (620). 13. The method of claim 1, wherein the damaged portion (230) includes at least a portion of a spar cap (210) of the blade (100). 14. The method of claim 1, wherein the step of securing the blade reinforcement structure (600) to the blade (100) further includes the step of stabilizing the blade (100) from the tower (500) by securing a load transfer structure (1300) to the blade (100) and the tower (500), wherein the load transfer structure (1300) includes an adjustable blade-to-tower support (1400) having a blade attachment device (1410), a longitudinally adjustable device (1420), and a tower attachment device (1430). 15. The method of claim 14, further including the step of applying a force to the blade (100) with the load transfer structure (1300). 16. The method of claim 14, wherein the blade attachment device (1410) includes a blade attachment vacuum device (1412) and the tower attachment device (1430) includes a tower attachment vacuum device (1432). 17. The method of claim 14, wherein the blade attachment device (1410) includes a primary proximal clamp (800) applying a clamping force to the blade (100). 18. The method of claim 14, wherein the load transfer structure (1300) is secured to the blade (100) below the damaged portion (230). 19. The method of claim 1, wherein the primary proximal clamp (800) includes a proximal reinforced vacuum blanket including a flexible material and a plurality of reinforcement devices, and further including the step of vacuum attaching the reinforced vacuum blanket against the blade (100). 20. A method of repairing a wind turbine blade (100) while mounted on a tower (500) without removing the blade (100) from the tower (500), comprising: positioning the blade (100) in a substantially vertical orientation;securing a blade reinforcement structure (600) to the blade (100) to reduce stress on a portion of the blade (100);enclosing a damaged portion (230) of the blade (100) within a containment structure (620) and controlling the temperature of the air within the containment structure (620);removing the damaged portion (230) of the blade (100);installing a repair portion (240) to the blade (100) where the damaged portion (230) was removed; andremoving the blade reinforcement structure (600) and the containment structure (620) from the blade (100). 21. The method of claim 20, further including the step of controlling the humidity of the air within the containment structure (620). 22. The method of claim 20, wherein the step of securing a blade reinforcement structure (600) to the blade (100) further includes the step of securing a clamping structure (700) to the blade (100) including securing a primary proximal clamp (800) and a primary distal clamp (1000) to the blade (100), and further includes the step of interlocking the primary proximal clamp (800) and the primary distal clamp (1000) with a clamp interlock structure (1200), wherein the damaged portion (230) is located between the primary proximal clamp (800) and the primary distal clamp (1000). 23. The method of claim 22, wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 24. The method of claim 22, wherein the clamp interlock structure (1200) includes at least a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 25. The method of claim 22, wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202) and a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) and the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 26. A method of repairing a wind turbine blade (100) while mounted on a tower (500) without removing the blade (100) from the tower (500), comprising: positioning the blade (100) in a substantially vertical orientation;securing a blade reinforcement structure (600) to the blade (100) to reduce stress on a portion of the blade (100) wherein the step of securing a blade reinforcement structure (600) to the blade (100) further includes the step of securing a clamping structure (700) to the blade (100) including securing a primary proximal clamp (800) and a primary distal clamp (1000) to the blade (100), and further includes the step of interlocking the primary proximal clamp (800) and the primary distal clamp (1000) with a clamp interlock structure (1200), wherein the damaged portion (230) is located between the primary proximal clamp (800) and the primary distal clamp (1000), and wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000);removing a damaged portion (230) of the blade (100);installing a repair portion (240) to the blade (100) where the damaged portion (230) was removed; andremoving the blade reinforcement structure (600) from the blade (100). 27. The method of claim 26, wherein the clamp interlock structure (1200) includes at least a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 28. The method of claim 26, wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202) and a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) and the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 29. The method of claim 26, further including the step of securing a reinforcement structure work platform (610) to the blade reinforcement structure (600). 30. The method of claim 26, further including the step of enclosing the damaged portion (230) of the blade (100) within a containment structure (620). 31. The method of claim 30, further including the step of controlling the temperature of the air within the containment structure (620). 32. The method of claim 31, further including the step of controlling the humidity of the air within the containment structure (620). 33. A method of repairing a wind turbine blade (100) while mounted on a tower (500) without removing the blade (100) from the tower (500), comprising: positioning the blade (100) in a substantially vertical orientation;securing a blade reinforcement structure (600) to the blade (100) to reduce stress on a portion of the blade (100);stabilizing the blade (100) from the tower (500) by securing a load transfer structure (1300) to the blade (100) and the tower (500), wherein the load transfer structure (1300) includes an adjustable blade-to-tower support (1400) having a blade attachment device (1410), a longitudinally adjustable device (1420), and a tower attachment device (1430), wherein the blade attachment device (1410) includes a blade attachment vacuum device (1412) and the tower attachment device (1430) includes a tower attachment vacuum device (1432);applying a force to the blade (100) with the load transfer structure (1300);removing a damaged portion (230) of the blade (100);installing a repair portion (240) to the blade (100) where the damaged portion (230) was removed; andremoving the blade reinforcement structure (600) from the blade (100). 34. The method of claim 33, wherein the step of securing a blade reinforcement structure (600) to the blade (100) further includes the step of securing a clamping structure (700) to the blade (100) including securing a primary proximal clamp (800) and a primary distal clamp (1000) to the blade (100), and further includes the step of interlocking the primary proximal clamp (800) and the primary distal clamp (1000) with a clamp interlock structure (1200), wherein the damaged portion (230) is located between the primary proximal clamp (800) and the primary distal clamp (1000). 35. The method of claim 34, wherein the clamp interlock structure (1200) includes at least a compressive side interlock structure (1202), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the compressive side interlock structure (1202) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 36. The method of claim 34, wherein the clamp interlock structure (1200) includes at least a tensile side interlock structure (1204), and further including the step of applying force to the primary proximal clamp (800) and the primary distal clamp (1000) with the tensile side interlock structure (1204) thereby reducing stress on a portion of the blade (100) located between the primary proximal clamp (800) and the primary distal clamp (1000). 37. The method of claim 33, further including the step of securing a reinforcement structure work platform (610) to the blade reinforcement structure (600). 38. The method of claim 33, further including the step of enclosing the damaged portion (230) of the blade (100) within a containment structure (620). 39. The method of claim 38, further including the step of controlling the temperature of the air within the containment structure (620). 40. The method of claim 39, further including the step of controlling the humidity of the air within the containment structure (620).
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