KR20020062992A - 공동 형상 부재용 버트 결합 - Google Patents
공동 형상 부재용 버트 결합 Download PDFInfo
- Publication number
- KR20020062992A KR20020062992A KR1020027008243A KR20027008243A KR20020062992A KR 20020062992 A KR20020062992 A KR 20020062992A KR 1020027008243 A KR1020027008243 A KR 1020027008243A KR 20027008243 A KR20027008243 A KR 20027008243A KR 20020062992 A KR20020062992 A KR 20020062992A
- Authority
- KR
- South Korea
- Prior art keywords
- strap
- butt
- cavity
- shaped
- portions
- Prior art date
Links
- 210000001503 joint Anatomy 0.000 title claims description 5
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 230000009977 dual effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
- F03D1/066—Connection means therefor, e.g. bushings or adapters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/0004—Joining sheets, plates or panels in abutting relationship
- F16B5/0008—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/604—Assembly methods using positioning or alignment devices for aligning or centering, e.g. pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/221—Rotors for wind turbines with horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/302—Segmented or sectional blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/40—Use of a multiplicity of similar components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/20—Geometry three-dimensional
- F05B2250/29—Geometry three-dimensional machined; miscellaneous
- F05B2250/292—Geometry three-dimensional machined; miscellaneous tapered
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
- F05B2260/301—Retaining bolts or nuts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
- F16B2/08—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/63—Frangible connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/65—Miter joints
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S403/00—Joints and connections
- Y10S403/15—Splice plates for co-linear members
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49337—Composite blade
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49339—Hollow blade
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/16—Joints and connections with adjunctive protector, broken parts retainer, repair, assembly or disassembly feature
- Y10T403/1616—Position or guide means
- Y10T403/1624—Related to joint component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/50—Bridged by diverse connector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/55—Member ends joined by inserted section
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T403/551—Externally bridged
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T403/55—Member ends joined by inserted section
- Y10T403/553—Laterally inserted section
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/75—Joints and connections having a joining piece extending through aligned openings in plural members
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/76—Joints and connections having a cam, wedge, or tapered portion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Laminated Bodies (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Saccharide Compounds (AREA)
- Hinges (AREA)
- Table Equipment (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Developing Agents For Electrophotography (AREA)
- Table Devices Or Equipment (AREA)
- Body Structure For Vehicles (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
특히 풍력 설비의 로터 블래이드에 적절한 분할된 공동 형상 부재용 버트 결합에 이어서, 이음부를 따라 배열되며, 동일부 위를 브리지하며, 그들의 끝단이 상기 형상 부재 부분들 중 하나에 결합되도록 각각 고정되는 다수의 스트랩을 포함한다. 이때 상기 배열은 바람직하게는 신장 압축응력이 상기 스트랩에 부여될 수 있는 수단에 의해 그 끝단에 상기 스트랩을 고정하는 두 개의 볼트 중 하나는 쐐기 형태의 평탄부를 가지는 것이다.
Description
항공기 프로펠러와 유사하게, 풍력 설비의 로터는 부하 내력(耐力) 날개보(spar) 또는 보(beam) 부재 - 대부분의 경우 상부 또는 하부 플랜지(flange)를 가진 - 및 상기 로터의 공기역학적인 특성을 결정하는 공동 형상 부재를 포함하는 로터 블래이드를 가진다. 오늘날 공동 형상 부재는 일반적으로 접합재로서 복합 재료, 즉 폴리에스터(polyester) 또는 에폭시(epoxy) 수지를 가진 유리 또는 탄소 섬유를 포함한다. 통상 실행하는 것은 완성된 날개를 형성하도록 상기 날개보에 조립되는 두 개의 세로로 분할된 반-쉘(shell) 부분들의 형태로 (횡단면이 일반적으로 그들의 길이에 따라 변화하는) 로터 블래이드 공동 형상 부재를 제조하는 것이다.
현대 풍력 설비의 전력이 증가함에 따라, 그 로터는 또한 지름에 있어 보다 더 커지고 있으며, 그것은 상응하게 더 긴 로터 블래이드의 생산을 요구한다. 이러한 긴 로터 블래이드들, 즉 마찬가지로 요구되는 반-쉘 부분들의 단일체(one-piece)로서의 생산이 이미 문제들(그 중에서도 특히 상응하게 커다란 공장 건물 때문에)을 갖는다면, 풍력 설비가 건설되는 장소로의 이후 요구되어지는 수송은 심각한 장애를 나타낸다.
예견되는 풍력 설비용 로터 블래이드의 길이를 더 늘리는데 관심을 가지면서, 그런 종류의 로터 블래이드 및 그 점에 있어서 보다 구체적으로 말하면 그의 공동 형상 부재를 가로로 분할하는 것, 그들을 개별적으로 운반하는 것 및 개개의 부분들을 그들의 버트 이음부에서 조립함으로써 풍력 설비의 건설 위치에 로터 블래이드를 단지 마무리하는 것에 주의가 기울어져야 한다. 그런데, 그러한 접근에서 비롯되는 문제는 로터 블래이드의 공기역학적인 특성에 중대하게 영향을 주지 않으며, 경량이며, 특히 풍력 설비의 동작시 로터 블래이드가 노출되어 있는 상당히 변동하는 부하에 견디는 능력이 있는 버트 결합을 개발하는 것이다.
본 발명은 분할된 공동(空洞) 형상 부재(hollow profile members), 특히 풍력 설비의 로터 블래이드용 버트(butt) 결합에 관한 것이다.
도 1은 가로로 분할된 풍력 설비의 로터(rotor)용 로터 블래이드(blade)의 평면도를 개략적인 횡단면의 형태로 나타낸다.(각 부분들간의 간격은 단지 도면의 이해를 용이하게 하기 위해 제공된다)
도 2는 도 1 중 두 로터 블래이드 부분들간에 본 발명에 따른 버트 결합의 X부분의 평면도를 나타낸다.
도 3은 도 1에 도시된 바와 같이 개방된 도 1에서의 두 로터 블래이드 부분간의 전체 버트 결합의 사시도를 나타낸다.
도 4는 그 전체로 버트 결합을 형성하는 스트랩 결합들 중 하나의 확대된 세로 절단면도이다.
도 5는 도 4의 스트랩 결합의 평면도를 나타낸다.
도 6은 도 4에서 A-A선을 따라 얻어진 부분도를 나타낸다.
본 발명은 이음선을 따라 배열되며, 그 위를 브리지하며, 결합되는 형상 부재 부분 중 하나에 각각 그들의 끝단이 고정되는 다수의 바(bar) 또는 스트랩(strap)에 의해 그러한 문제를 해결한다. 상기 스트랩 또는 바는 종래 공동 형상 부재들을 결합하는데 쓰이던 단일체 플랜지 결합을 다음과 같이 완전히 대체한다. 그것들은 종래의 플랜지 결합보다 실질적으로 더 가벼우며, 개별적으로 서로 다른 간격을 두고, 즉 이음선에 전달되는 힘에 따라 공동 형상 부재의 외주면 위에분산 배열될 수 있어서, 결합 설계는 - 연관된 힘에 매우 우수한 적용을 가지며 - 그 동작 세기와 관련하여 종래 플랜지/나사 결합을 이용할 때보다 더 간단하게 된다. 이러한 종류의 결합은 세로로 분할된 공동 형상 부재(로터 블래이드)에도 사용될 수 있지만, 특히 공동 형상 부재의 외주면에 배열되는 바 또는 스트랩과 함께 비-원형(non-round) 횡단면의 가로로 분할된 공동 형상 부재에 적합하다.
결합이 자가 해제되지 않고 따라서 또한 허용되어야만 하는 압축응력 손실이 없기 때문에 새로운 버트 결합을 유지할 필요가 없는 것은 특히 장점이다.
바람직하게 각 스트랩 결합은 공동 형상 부재의 내측 및 외측에 배열되는 각각의 바 또는 스트랩과 함께 이중(double) 바 또는 스트랩을 가진다. 더욱이 각 스트랩은 규정된 인장력에 의한 응력을 받을 수 있다는 것이 유리한 점으로 제공된다.
충분히 높은 인장력 응력을 주는 것은 로터의 회전 중에 교대로 일어나는 부하(인장력/압축력)에도 불구하고 버트 결합에서의 상황이 여전히 하나의 연관 인장력으로 남아 있으며, 회전중에 변화하는 것은 단지 그러한 힘의 크기일 뿐이게 한다.
그러한 목적에 요구되는 인장력 응력을 공동으로 버트 결합을 형성하는 각 스트랩에 적용하기 위하여, 바람직하게는 각 스트랩은 두 개의 볼트에 의해 공동 형상 부재에 고정되고, 상기 볼트들 중 적어도 하나는 스트랩 또는 스트랩들과의 각각의 접촉 영역에서 그 축 방향으로 쐐기 형태의 평탄부를 가지며 회전하지 않게 유지되도록 제공된다. 다른 방식으로, 상기 볼트는 또한 부분-원뿔형 구조일 수 있으며 또한 회전될 수 있다. 어떤 경우에서라도, 스트랩을 고정할 때 또는 볼트위에 있는 (적절히 구성된) 그들의 끝단으로 밀려지고 공동 형상 부재의 해당 표면쪽으로 방향이 몰려질 때, 이와 동시에 인장력 응력은 스트랩의 길이 방향으로, 이에 따라 이음선에 수직으로 증대된다. 이를 간단하게 수행하기 위해서, 볼트는 쐐기형 평탄부가 제공되는 슬리브와 슬리브를 축방향으로 통과하고 너트를 가진 나사를 바람직하게 포함하며, 여기에서 나사 머리 및 또한 너트 양자는 컵 모양의 가압 부분의 수단에 의해 관련 스트랩을 누르고 쐐기 표면(또는 원뿔형 표면)을 따라 이동하는 것에 의해 상기 스트랩에 응력을 가한다.
응력 메커니즘의 또 다른 형태는 적어도 하나의 볼트가 각각의 스트랩과 접촉 영역에 그 축에 대해 편심적인 융기부(bulge)를 가지는 것을 제공할 수 있다. 이 볼트 - 상기 스트랩들을 고정시키기 위해 더이상 회전될 필요가 없는 -를 회전시켜 요구되는 인장력 응력을 스트랩에 발생하는 것 또한 가능하다.
도 1은 풍력 설비의 가로로 분할된 로터 블래이드의 개략적인 횡단면도이다. 로터 블래이드(1) 부분들(1a, 1b)간에 이음부(2)는 개방된다. 두 로터 블래이드(1a, 1b)는 부하 내력(耐力) 코어 형상 부재(3) 및 공기역학적으로 형성된 외형 부분(4)을 포함한다.
도 2는 상기 이음부(2)가 밀폐되어질 때 로터 블래이드(1)의 부분들(1a, 1b)간의 버트 결합 부분을 나타내는 평면도이다. 상기 버트 결합은 이음부(2) 위에서 브리지하며 볼트들(6a, 6b)에 의해 로터 블래이드 부분들(1a, 1b) 양쪽에 각각 고정되는 다수의 바(bar) 또는 스트랩(strap)(5)을 포함한다.
도 3에는 - 도 1과 같이 - 이음부(2)가 개방되고, 두 로터 블래이드 부분들(1a, 1b)은 사시도로 도시된다. 바 또는 스트랩(5)은 또한 절단된 형태이며(단지 더 명확한 예시의 목적을 위해), (개방된) 버트 결합의 전체 도면은 그들의 볼트들(6a, 6b)과 함께 스트랩(5)이 분할된 공동 형상 부재의 - 비 원형 - 횡단면 위에 분포된 방식을 나타낸다.
스트랩(5)의 배치는 코어 형상 부재(3)의 영역에서 최대밀도인데 그 이유는 이곳에서 최고의 힘 전달이 일어나기 때문이다. 다른 영역에서는 스트랩(5)들 간에 보다 넓은 간격이 있게 된다.
도 4내지 6은 스트랩 결합을 상세히 나타낸다. 각 스트랩(5)은 공동 형상 부재 부분(1a, 1b)의 위아래에 배열된다. 양 스트랩(5)들은 와셔(washer)(7)들이 끼워지는 볼트(6b)에 의해, 너트(9)를 가진 나사(8)에 의해 상기 일 부분(1b)에 고정된다. 스트랩(5)을 다른 부분(1a)에 고정하는 것은 이와 유사하지만, 볼트(6a)는 볼트의 중앙에서 그 끝단으로, 너트(9)를 가진 (더 긴) 나사(8)의 축(11) 방향으로 점점 가늘어지는 쐐기 형태인 평탄 부분(10)을 가진다. 컵 모양의 가압 부분(12)들은 한편으로는 그에 접하는 스트랩(5)과 나사(8)의 머리사이에 제공되고, 또 한편으로는 그에 접하는 스트랩(5)과 너트(9)사이에 제공된다. 너트(9)와 나사(8)가 조여질 때, 가압 부분(12)은 스트랩(5)에 다음과 같은 대응된 힘을 가한다. 특히 형상 부재 부분(1a) 방향으로 그 접근 이동은 인장 스트레스가 스트랩(5)에 증강되도록 볼트(6a)의 평탄 부분(10)을 따라 그것들이 위로 향하게 미끄러지도록 한다[스트랩(5)의 평탄 부분(10)과의 접촉 영역에서, 스트랩(5)의 내벽은 평탄 부분(10)의 표면에 적절히 맞게 구현될 수 있다]. 스트랩(5)에서 인장 스트레스는 이음부(2)의 영역에서 공동 형상 부분(1a, 1b)에 인가되는 밀폐 압력 스트레스를 초래한다.
본 발명은 분할된 공동(空洞) 형상 부재, 특히 풍력 설비의 로터 블래이드용버트(butt) 결합에 적용될 수 있다.
Claims (8)
- 이음부(2)를 따라 배열되며 동일부 위를 브리지하며 그들의 끝단이 상기 형상 부재 부분(1a, 1b)중 하나에 각각 고정되어 결합되는 다수의 스트랩(5)을 특징으로 하는 분할된 공동 형상 부재, 특히 풍력 설비의 로터 블래이드용 버트 결합.
- 제1항에 있어서, 상기 스트랩(5)은 상기 공동 형상 부재(1)의 외주면에 배열됨을 특징으로 하는 비-원형 횡단면의 가로로 분할된 공동 형상 부재용 버트 결합.
- 제1항 또는 제2항에 있어서, 상기 이음부(2)를 따라 상기 스트랩(5)의 배열(근접) 밀도는 상기 이음부(2)에 전달되는 인장력에 따라 다름을 특징으로 하는 버트 결합.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 공동 형상 부재(1)의 내측 및 외측에 배열되는 개개의 스트랩(5)으로 각각 이중 스트랩이 제공됨을 특징으로 하는 버트 결합.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 각 스트랩(5) 또는 이중 스트랩은 규정된 인장력에 의한 응력을 받을 수 있음을 특징으로 하는 버트 결합.
- 제5항에 있어서, 상기 스트랩(5)은 두 개의 볼트(6a, 6b) 및 의해 상기 형상 부재 부분(1a, 1b)에 고정되고, 상기 스트랩(5)과의 접촉 영역에서 상기 볼트(6a)들 중 적어도 하나는 그 축 방향으로 쐐기 형태 평탄부(10)를 가지며 회전하지 않도록 고정됨을 특징으로 하는 버트 결합.
- 제4항 또는 제6항에 있어서, 상기 볼트(6a)는 상기 쐐기 형태 평탄부(10)와 함께 제공되는 슬리브(sleeve) 및 상기 슬리브를 통해 축방향으로 통과하는 너트(9)와 나사(8)를 포함하며, 상기 나사 머리 및 또한 상기 너트 양자는 컵 모양의 가압 부분(12)들에 의해 관련된 스트랩(5)에 대해 누르며 상기 쐐기 표면을 따라 이동함으로써 이에 응력을 가함을 특징으로 하는 버트 결합.
- 제5항에 있어서, 상기 스트랩(5)은 두 개의 볼트들(6) 수단에 의해 상기 형상 부재 부분(1a, 1b)에 고정되고, 상기 볼트들 중 적어도 하나는 각각 상기 스트랩(5)과의 접촉 영역에서 자체 축에 대해 편심적인 융기부(bulge)를 가짐을 특징으로 하는 버트 결합.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19962989A DE19962989B4 (de) | 1999-12-24 | 1999-12-24 | Rotorblatt für Windenergieanlagen |
DE19962989.7 | 1999-12-24 | ||
PCT/EP2000/013167 WO2001048378A1 (de) | 1999-12-24 | 2000-12-22 | Stossverbindung für hohlprofile |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20020062992A true KR20020062992A (ko) | 2002-07-31 |
Family
ID=7934489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027008243A KR20020062992A (ko) | 1999-12-24 | 2000-12-22 | 공동 형상 부재용 버트 결합 |
Country Status (14)
Country | Link |
---|---|
US (2) | US20030138290A1 (ko) |
EP (1) | EP1244873B1 (ko) |
JP (1) | JP2003518586A (ko) |
KR (1) | KR20020062992A (ko) |
AT (1) | ATE265000T1 (ko) |
AU (1) | AU2676101A (ko) |
BR (1) | BR0016724B1 (ko) |
CA (1) | CA2394969C (ko) |
DE (2) | DE19962989B4 (ko) |
DK (1) | DK1244873T3 (ko) |
ES (1) | ES2217026T3 (ko) |
NO (1) | NO324961B1 (ko) |
PT (1) | PT1244873E (ko) |
WO (1) | WO2001048378A1 (ko) |
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- 2000-12-22 EP EP00990016A patent/EP1244873B1/de not_active Expired - Lifetime
- 2000-12-22 ES ES00990016T patent/ES2217026T3/es not_active Expired - Lifetime
- 2000-12-22 AT AT00990016T patent/ATE265000T1/de active
- 2000-12-22 DK DK00990016T patent/DK1244873T3/da active
- 2000-12-22 CA CA002394969A patent/CA2394969C/en not_active Expired - Fee Related
- 2000-12-22 KR KR1020027008243A patent/KR20020062992A/ko not_active Application Discontinuation
- 2000-12-22 DE DE50006190T patent/DE50006190D1/de not_active Expired - Lifetime
- 2000-12-22 WO PCT/EP2000/013167 patent/WO2001048378A1/de not_active Application Discontinuation
- 2000-12-22 PT PT00990016T patent/PT1244873E/pt unknown
- 2000-12-22 US US10/168,814 patent/US20030138290A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
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US7481624B2 (en) | 2009-01-27 |
US20030138290A1 (en) | 2003-07-24 |
ATE265000T1 (de) | 2004-05-15 |
BR0016724A (pt) | 2002-09-03 |
DE19962989A1 (de) | 2001-07-05 |
AU2676101A (en) | 2001-07-09 |
EP1244873A1 (de) | 2002-10-02 |
BR0016724B1 (pt) | 2009-01-13 |
CA2394969A1 (en) | 2001-07-05 |
PT1244873E (pt) | 2004-08-31 |
ES2217026T3 (es) | 2004-11-01 |
DK1244873T3 (da) | 2004-08-09 |
NO324961B1 (no) | 2008-01-14 |
EP1244873B1 (de) | 2004-04-21 |
JP2003518586A (ja) | 2003-06-10 |
NO20023018L (no) | 2002-08-19 |
DE19962989B4 (de) | 2006-04-13 |
NO20023018D0 (no) | 2002-06-21 |
CA2394969C (en) | 2005-06-07 |
WO2001048378A1 (de) | 2001-07-05 |
DE50006190D1 (de) | 2004-05-27 |
US20060083611A1 (en) | 2006-04-20 |
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