CN108757270A - Integrated molding composite material blade structure - Google Patents
Integrated molding composite material blade structure Download PDFInfo
- Publication number
- CN108757270A CN108757270A CN201810749204.3A CN201810749204A CN108757270A CN 108757270 A CN108757270 A CN 108757270A CN 201810749204 A CN201810749204 A CN 201810749204A CN 108757270 A CN108757270 A CN 108757270A
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- China
- Prior art keywords
- composite material
- man
- span
- integrated molding
- arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 58
- 238000000465 moulding Methods 0.000 title claims abstract description 41
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 239000004917 carbon fiber Substances 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/26—Blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/20—Constructional features
-
- 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
- Y02E10/20—Hydro energy
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention discloses a kind of integrated molding composite material blade structures in composite material blade technical field, main load component is carbon beam, carbon beam includes furcation, transition part and the portion that fills the span of a man's arms, furcation includes two flat bifurcateds, blade froth bed is folded between bifurcated, in transition part, two bifurcateds are gradually filled the span of a man's arms, until reaching the portion that fills the span of a man's arms, fill the span of a man's arms into circular tube shaped, it is equipped with petiole froth bed in transition part and the portion that fills the span of a man's arms, cylindric carbon fiber shaping cushion block is arranged with outside transition part, blade froth bed and furcation are externally provided with carbon fiber skin, shaping cushion block and the portion of filling the span of a man's arms are externally provided with carbon fiber winding layer, the portion aft end interior surface of filling the span of a man's arms is provided with metal liner.The integrated molding composite material blade structure of the present invention, petiole and blade use carbon fibre composite integrated molding, have the characteristics that structure is reliable, safe, overall weight is light, can significantly reduce the energy consumption in blade operational process.
Description
Technical field
The present invention relates to a kind of composite material blade, more particularly to the integrated molding composite wood of a kind of composite material blade
Expect paddle blade structure.
Background technology
The more advanced blade of the prior art mostly uses composite material and is made, and application at present is at most also most important compound
Material is carbon fibre composite.Carbon fibre composite is because having low-density, high intensity, high temperature resistant, corrosion-resistant, coefficient of thermal expansion
Low and raw body compatibility waits well excellent properties, becomes the important raw and processed materials for preparing various structural and functional composite materials.
But composite material is different from metalwork, has many limitations in structure, for example thread locking structure.It is multiple
Condensation material is easy to wear in use because screw thread hole strength is low, so will not open threaded hole on the composite in use, especially
It is under the operating mode for needing to carry larger tensile stress.Therefore, as shown in Figure 1, the composite material blade of the prior art is all to use
The blade 1 of composite material and the petiole 2 of metal are attached by bolt 3, and rotation is fixed on by the screw thread 4 of 2 rear end of petiole
Wheel hub on, to drive blade to rotate together.Because the material of petiole is metal, weight weight, high energy consumption in operation.
Invention content
The object of the present invention is to provide integrated molding composite material blade structure is used, blade weight is reduced, to drop
Low operating power consumption.
The object of the present invention is achieved like this：A kind of integrated molding composite material blade structure, main load component
For carbon beam, carbon beam includes furcation, transition part and the portion that fills the span of a man's arms, and furcation includes two flat bifurcateds, is folded between bifurcated
Blade froth bed, in transition part, two bifurcateds are gradually filled the span of a man's arms, and are filled the span of a man's arms portion until reaching, and fill the span of a man's arms into circular tube shaped, transition part and are filled the span of a man's arms
It is equipped with petiole froth bed in portion, cylindric shaping cushion block is arranged with outside transition part, blade froth bed and furcation are externally provided with carbon
Fabric jacket, shaping cushion block and the portion of filling the span of a man's arms are externally provided with carbon fiber winding layer, and the portion aft end interior surface of filling the span of a man's arms is provided with metal liner.
The integrated molding composite material blade structure of the present invention, petiole and blade are using carbon fibre composite integration
Molding, has the characteristics that structure is reliable, safe, overall weight is light, can significantly reduce in composite material blade operational process
Energy consumption.
As a further improvement on the present invention, the carbon fiber winding layer outside portion of filling the span of a man's arms includes interconnecting piece, contraction flow region and extends out
Portion, interconnecting piece outer diameter and wheel hub load middle ring minor diameter fit, expanding part to external diffusion and with integrated molding composite material blade
The central axis of structure is in 25 ° ~ 35 ° angles.Wherein interconnecting piece is used to blade being fixed on wheel hub, contraction flow region and expanding part
For coordinating with locking member, locking is realized.The angle is preferably 30 °, preferably to bear centrifugal force when blade work.
As a further improvement on the present invention, fill the span of a man's arms portion rear end and metal liner rear end to external diffusion and with integrated chemical conversion
The central axis of type composite material blade structure is in 30 ° of angles, makes each layer of petiole（Carbon beam, carbon fiber winding layer, metal liner）
Entirety bears centrifugal force when blade work, improves load ability.
As a further improvement on the present invention, interconnecting piece front end is equipped with the step that disk cooperation is fixed with petiole established angle, just
Disk is fixed in setting petiole established angle, established angle adjusting screw passes through wheel hub to fix disk with petiole established angle and offsets, and passes through adjusting
The installation rotation angle of blade is adjusted in established angle adjusting screw.
As a further improvement on the present invention, step front end is equipped with convex shoulder, and limit can be played in blade assembling process
Effect.
As a further improvement on the present invention, carbon fiber winding layer front end is equipped with petiole straight section, petiole straight section outer diameter and wheel
Hub bore diameter of outer ring coordinates, and fixation is inserted into from wheel hub outer shroud convenient for the petiole of blade.
As a further improvement on the present invention, carbon fiber winding layer by carbon filament with integrated molding composite material blade knot
The central axis of structure is Wrapping formed in 89 ° of winding angles, to increase the globality of petiole and blade, improves bonding strength.
As a further improvement on the present invention, contraction flow region and expanding part outer surface are arranged with matched locking open loop,
Locking open loop tail portion offsets with wheel hub load middle ring, and locking open loop outer surface is arranged with the locking domain, the locking domain, locking open loop
With the connecting hole passed through for lock-screw is equipped on the rear end face of metal liner.It can not to solve composite material structural member
The problem of opening threaded hole, carrying out screw-threaded coupling.
As a further improvement on the present invention, metal liner leading exterior surface to external diffusion and with integrated molding composite wood
Expect that the central axis of paddle blade structure is in 1 ° of angle.Therefore during lock screw is tightened, metal liner will not be locked spiral shell
Nail pulls out.
Description of the drawings
Fig. 1 is the schematic diagram of the integrated molding composite material blade structure of the prior art.
Fig. 2 is the schematic diagram of the integrated molding composite material blade structure of the present invention.
Fig. 3 is the schematic diagram of the petiole rear end internal structure of the integrated molding composite material blade structure of the present invention.
Fig. 4 is the schematic diagram of the carbon girder construction of the integrated molding composite material blade structure of the present invention.
Fig. 5 is the schematic diagram of the blade internal structure of the integrated molding composite material blade structure of the present invention.
Fig. 6 is the schematic diagram of the shaping cushion block of the integrated molding composite material blade structure of the present invention.
Fig. 7 is the schematic diagram of the carbon fiber winding layer of the integrated molding composite material blade structure of the present invention.
Wherein, 1 blade, 2 petioles, 3 bolts, 4 screw threads, 5 carbon beams, 5A furcations, 5B transition parts, 5C fill the span of a man's arms portion, 6 leaves
Body froth bed, 7 carbon fiber skins, 8 petiole froth beds, 9 shaping cushion blocks, 10 carbon fiber winding layers, 10A interconnecting pieces, 10B are received
Contracting portion, 10C expanding parts, 10D steps, 10E convex shoulders, 11 metal liners, 12 wheel hub load middle rings, 13 petiole established angles are fixed
Disk, 14 wheel hubs, 15 locking open loops, the 16 locking domains, 17 connecting holes, 18 petiole straight sections, 19 wheel hub outer shrouds, 20 established angles are adjusted
Screw.
Specific implementation mode
Integrated molding composite material blade structure as shown in Figure 2 and Figure 3, including blade 1 and petiole 2.The paddle blade structure
By including froth bed, carbon beam 5, shaping cushion block and clad successively except interior, wherein froth bed is divided into blade froth bed 6 and petiole
Froth bed 8, clad are divided into blade clad（That is carbon fiber skin 7）With petiole clad（That is carbon fiber winding layer 10）.Bubble
The effect of foam layer is to play inner support when blade is molded manufacture and apply back-pressure using its elasticity, and making blade, carbon fiber is pre- everywhere
Leaching bed of material paving is compacted.Below for ease of description, the blade direction of the close blade of definition is " preceding ", the blade direction far from blade
It is "outside" far from petiole central axial direction for " rear ".
As shown in Figure 4, Figure 5, carbon beam 5 includes furcation 5A, transition part 5B and the portion 5C that fills the span of a man's arms.Furcation 5A includes two flat
Flat bifurcated is folded with blade froth bed 6 between bifurcated, and blade froth bed 6 and furcation 5A are externally provided with carbon fiber skin 7, from
And form the blade of this integrated molding composite material blade structure.
As shown in Figure 3, Figure 4, in the transition part 5B of carbon beam 5, two bifurcateds are gradually filled the span of a man's arms, until reaching the portion 5C that fills the span of a man's arms, are closed
It embraces into circular tube shaped.It is equipped with petiole froth bed 8 in transition part 5B and the portion 5C that fills the span of a man's arms, the whole of cylindrical shape is also arranged with outside transition part 5C
Shape cushion block 9, structure due to being square structure when carbon beam is drawn from blade by the way that shaping cushion block 9 is arranged as shown in fig. 6, can be made
Petiole is rounded, and is convenient for the forming of petiole clad.It is externally provided with carbon fiber winding layer 10, carbon fiber in shaping cushion block 9 and the portion 5C that fills the span of a man's arms
Tie up winding layer 10 by carbon filament with the central axis of integrated molding composite material blade structure in 89 ° of winding angles it is Wrapping formed,
So that fill the span of a man's arms portion 5C and the shaping cushion block 9 of carbon beam is become an entirety, increase petiole intensity, and improve globality, ensures seperated
Petiole carbon beam will not dehisce when bearing pneumatic moment of flexure.Portion's 5C rear end surfaces of filling the span of a man's arms are provided with metal liner 11, main function
It is subject to inward pressure of the petiole rear end in centrifugal force, and accepts the effect of fixedly locked screw.
As shown in Fig. 2, Fig. 3, Fig. 7, the carbon fiber winding layer 10 filled the span of a man's arms outside portion 5C include interconnecting piece 10A, contraction flow region 10B and
Expanding part 10C.Interconnecting piece 10A passes through wheel hub load middle ring 12, and the front ends interconnecting piece 10A are equipped with matches with petiole established angle fixation disk 13
The step 10D of conjunction, established angle adjusting screw 20 pass through 14 top of wheel hub to fix disk 13 with petiole established angle and offset, pacified by adjusting
The setting angle of blade is adjusted in dress angle adjusting screw 20.The front ends step 10D are equipped with convex shoulder 10E, can in blade assembling process
Play the role of limit.Expanding part 10C, fill the span of a man's arms the portion rear ends 5C and 11 rear end of metal liner are to external diffusion and and integrated molding
The central axis of composite material blade structure is in 30 ° of angles, preferably to bear centrifugal force when blade work.Contraction flow region 10B
It is arranged with matched locking open loop 15 with the outer surfaces expanding part 10C, locks 15 tail portion of open loop and 12 phase of wheel hub load middle ring
It supports, 15 outer surface of locking open loop is arranged with the locking domain 16, and the locking domain 16 is locked on the end face of open loop 15 and metal liner 11
It is equipped with the connecting hole 17 passed through for lock-screw.Threaded hole can not be opened to solve composite material structural member, carries out screw thread
The problem of locking.11 leading exterior surface of metal liner to external diffusion and with the central shaft of integrated molding composite material blade structure
Line is in 1 ° of angle, therefore during lock screw is tightened, and metal liner 11 will not be locked screw pull-out.
As shown in Fig. 3, Fig. 7,10 front end of carbon fiber winding layer is equipped with petiole straight section 18, outside 18 outer diameter of petiole straight section and wheel hub
19 minor diameter fit of ring is inserted into fixation convenient for the petiole of blade from wheel hub outer shroud 19.
The integrated molding composite material blade structure blade and petiole of the present embodiment are all made of carbon fibre composite.By
In the density of carbon fibre composite be only 1650kg/m3, so dramatically reducing blade weight.This design has structure
Reliably, feature safe, overall weight is light.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour
A little to replace and deform, these are replaced and deformation is within the scope of the invention.
Claims (10)
1. a kind of integrated molding composite material blade structure, it is characterised in that：Main load component is carbon beam, the carbon Liang Bao
Include furcation, transition part and the portion that fills the span of a man's arms, the furcation includes two flat bifurcateds, and blade bubble is folded between the bifurcated
Foam layer, in the transition part, two bifurcateds are gradually filled the span of a man's arms, until the portion that fills the span of a man's arms described in reaching, fills the span of a man's arms into circular tube shaped, the mistake
It crosses in portion and the portion that fills the span of a man's arms and is equipped with petiole froth bed, cylindric shaping cushion block, the blade foam are arranged with outside the transition part
Layer and furcation are externally provided with carbon fiber skin, and the shaping cushion block and the portion of filling the span of a man's arms are externally provided with carbon fiber winding layer, the portion that fills the span of a man's arms
Aft end interior surface is provided with metal liner.
2. integrated molding composite material blade structure according to claim 1, it is characterised in that：It is described to fill the span of a man's arms outside portion
Carbon fiber winding layer includes interconnecting piece, contraction flow region and expanding part, the interconnecting piece outer diameter and wheel hub load middle ring minor diameter fit, institute
Expanding part is stated to external diffusion and with the central axis of the integrated molding composite material blade structure in 25 ° ~ 35 ° angles.
3. integrated molding composite material blade structure according to claim 2, it is characterised in that：The expanding part and institute
The central axis for stating integrated molding composite material blade structure is in 30 ° of angles.
4. integrated molding composite material blade structure according to claim 3, it is characterised in that：The portion rear end of filling the span of a man's arms
And metal liner rear end is to external diffusion and with the central axis of the integrated molding composite material blade structure in 30 ° of folders
Angle.
5. integrated molding composite material blade structure according to claim 2, it is characterised in that：The interconnecting piece front end
Equipped with the step for fixing disk cooperation with petiole established angle.
6. integrated molding composite material blade structure according to claim 5, it is characterised in that：The step front end is set
There is convex shoulder.
7. integrated molding composite material blade structure according to claim 2, it is characterised in that：The carbon fiber winding
Layer front end is equipped with petiole straight section, and the petiole straight section outer diameter coordinates with wheel hub bore diameter of outer ring.
8. according to claim 1 ~ 7 any one of them integrated molding composite material blade structure, it is characterised in that：The carbon
Fiber winding layer is by carbon filament to be in 80 ° ~ 89 ° winding angles with the central axis of the integrated molding composite material blade structure
It is Wrapping formed.
9. according to claim 1 ~ 7 any one of them integrated molding composite material blade structure, it is characterised in that：The receipts
Contracting portion and expanding part outer surface are arranged with matched locking open loop, the locking open loop tail portion and the wheel hub load middle ring
It offsets, the locking open loop outer surface is arranged with the locking domain, the locking domain, the rear end face for locking open loop and metal liner
On be equipped with the connecting hole passed through for lock-screw.
10. integrated molding composite material blade structure according to claim 9, it is characterised in that：The metal liner
Leading exterior surface is in 1 ° of angle to external diffusion and with the central axis of the integrated molding composite material blade structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810749204.3A CN108757270B (en) | 2018-07-10 | 2018-07-10 | Integrated composite material blade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810749204.3A CN108757270B (en) | 2018-07-10 | 2018-07-10 | Integrated composite material blade structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757270A true CN108757270A (en) | 2018-11-06 |
| CN108757270B CN108757270B (en) | 2024-01-09 |
Family
ID=63973140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810749204.3A Active CN108757270B (en) | 2018-07-10 | 2018-07-10 | Integrated composite material blade structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470452A (en) * | 2019-08-05 | 2019-11-19 | 中国航空工业集团公司哈尔滨空气动力研究所 | Wind tunnel test high speed ducted tail rotor model composite blade assembling structure |
| CN113002759A (en) * | 2019-12-20 | 2021-06-22 | 海鹰航空通用装备有限责任公司 | Propeller root connecting structure of propeller |
| CN113530886A (en) * | 2020-04-22 | 2021-10-22 | 中国电建集团透平科技有限公司 | Large wind tunnel fan impeller |
| CN115163555A (en) * | 2022-07-18 | 2022-10-11 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade used at low temperature |
| CN115163552A (en) * | 2022-07-20 | 2022-10-11 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade root connection structure |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88103525A (en) * | 1987-06-09 | 1988-12-28 | 国家工业宇航学会 | Composite material blade and manufacturing process thereof |
| US5346367A (en) * | 1984-12-21 | 1994-09-13 | United Technologies Corporation | Advanced composite rotor blade |
| RU2058249C1 (en) * | 1992-05-21 | 1996-04-20 | Акционерное общество Научно-производственное предприятие "Аэросила" | Propeller composite blade and method of its manufacture |
| US6305905B1 (en) * | 1999-05-05 | 2001-10-23 | United Technologies Corporation | Bolted-on propeller blade |
| US20020008177A1 (en) * | 2000-07-19 | 2002-01-24 | Aero Composites, Inc. | Composite airfoil assembly |
| JP2002357176A (en) * | 2001-03-27 | 2002-12-13 | Mitsubishi Heavy Ind Ltd | Composite material blade for wind power generating device |
| EP1914383A2 (en) * | 2006-10-18 | 2008-04-23 | Rolls-Royce Deutschland Ltd & Co KG | Fan blade of composite textile material |
| US20100135816A1 (en) * | 2009-04-02 | 2010-06-03 | General Electric Company | Braided wind turbine blades and method of making same |
| US20110031759A1 (en) * | 2009-08-05 | 2011-02-10 | Nitto Denko Corporation | Foam filling material for wind power generator blades, foam filling member for wind power generator blades, wind power generator blade, wind power generator, and method for producing the wind power generator blade |
| US20110176915A1 (en) * | 2008-04-14 | 2011-07-21 | Atlantis Resources Corporation Pte Ltd. | Blade for a water turbine |
| KR20110116288A (en) * | 2010-04-19 | 2011-10-26 | 김종민 | Lightweight blade with wingbox for wind power generating device, wingbox manufacturing tool and method |
| CN102490899A (en) * | 2011-12-14 | 2012-06-13 | 中国人民解放军总参谋部第六十研究所 | Composite rotor blade for unmanned helicopter and manufacturing method thereof |
| GB201307176D0 (en) * | 2013-04-22 | 2013-05-29 | Rolls Royce Plc | Propeller blade retention |
| CN203532319U (en) * | 2013-09-29 | 2014-04-09 | 尹天舒 | Counter-rotating fan blade of mine fan |
| KR20140058176A (en) * | 2012-11-06 | 2014-05-14 | 한국항공우주산업 주식회사 | Blade of propeller for turboprop aircraft |
| CN103982463A (en) * | 2014-05-28 | 2014-08-13 | 航天材料及工艺研究所 | Composite material blade for wind tunnel |
| CN104358708A (en) * | 2014-08-19 | 2015-02-18 | 航天材料及工艺研究所 | Carbon fiber composite foam core sandwich structure wind tunnel fan blade and molding method |
| CN104895834A (en) * | 2015-06-01 | 2015-09-09 | 郑伟 | Propeller with metal propeller handle and manufacture technology of same |
| CN107939619A (en) * | 2017-12-04 | 2018-04-20 | 惠阳航空螺旋桨有限责任公司 | A kind of connection structure of composite material blade and metal petiole |
| CN108045559A (en) * | 2017-12-15 | 2018-05-18 | 惠阳航空螺旋桨有限责任公司 | A kind of composite material blade blade root fastenings structure |
| CN208669496U (en) * | 2018-07-10 | 2019-03-29 | 江苏新扬新材料股份有限公司 | Integrated molding composite material blade structure |
-
2018
- 2018-07-10 CN CN201810749204.3A patent/CN108757270B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5346367A (en) * | 1984-12-21 | 1994-09-13 | United Technologies Corporation | Advanced composite rotor blade |
| CN88103525A (en) * | 1987-06-09 | 1988-12-28 | 国家工业宇航学会 | Composite material blade and manufacturing process thereof |
| RU2058249C1 (en) * | 1992-05-21 | 1996-04-20 | Акционерное общество Научно-производственное предприятие "Аэросила" | Propeller composite blade and method of its manufacture |
| US6305905B1 (en) * | 1999-05-05 | 2001-10-23 | United Technologies Corporation | Bolted-on propeller blade |
| US20020008177A1 (en) * | 2000-07-19 | 2002-01-24 | Aero Composites, Inc. | Composite airfoil assembly |
| JP2002357176A (en) * | 2001-03-27 | 2002-12-13 | Mitsubishi Heavy Ind Ltd | Composite material blade for wind power generating device |
| EP1914383A2 (en) * | 2006-10-18 | 2008-04-23 | Rolls-Royce Deutschland Ltd & Co KG | Fan blade of composite textile material |
| US20110176915A1 (en) * | 2008-04-14 | 2011-07-21 | Atlantis Resources Corporation Pte Ltd. | Blade for a water turbine |
| US20100135816A1 (en) * | 2009-04-02 | 2010-06-03 | General Electric Company | Braided wind turbine blades and method of making same |
| US20110031759A1 (en) * | 2009-08-05 | 2011-02-10 | Nitto Denko Corporation | Foam filling material for wind power generator blades, foam filling member for wind power generator blades, wind power generator blade, wind power generator, and method for producing the wind power generator blade |
| KR20110116288A (en) * | 2010-04-19 | 2011-10-26 | 김종민 | Lightweight blade with wingbox for wind power generating device, wingbox manufacturing tool and method |
| CN102490899A (en) * | 2011-12-14 | 2012-06-13 | 中国人民解放军总参谋部第六十研究所 | Composite rotor blade for unmanned helicopter and manufacturing method thereof |
| KR20140058176A (en) * | 2012-11-06 | 2014-05-14 | 한국항공우주산업 주식회사 | Blade of propeller for turboprop aircraft |
| GB201307176D0 (en) * | 2013-04-22 | 2013-05-29 | Rolls Royce Plc | Propeller blade retention |
| CN203532319U (en) * | 2013-09-29 | 2014-04-09 | 尹天舒 | Counter-rotating fan blade of mine fan |
| CN103982463A (en) * | 2014-05-28 | 2014-08-13 | 航天材料及工艺研究所 | Composite material blade for wind tunnel |
| CN104358708A (en) * | 2014-08-19 | 2015-02-18 | 航天材料及工艺研究所 | Carbon fiber composite foam core sandwich structure wind tunnel fan blade and molding method |
| CN104895834A (en) * | 2015-06-01 | 2015-09-09 | 郑伟 | Propeller with metal propeller handle and manufacture technology of same |
| CN107939619A (en) * | 2017-12-04 | 2018-04-20 | 惠阳航空螺旋桨有限责任公司 | A kind of connection structure of composite material blade and metal petiole |
| CN108045559A (en) * | 2017-12-15 | 2018-05-18 | 惠阳航空螺旋桨有限责任公司 | A kind of composite material blade blade root fastenings structure |
| CN208669496U (en) * | 2018-07-10 | 2019-03-29 | 江苏新扬新材料股份有限公司 | Integrated molding composite material blade structure |
Non-Patent Citations (1)
| Title |
|---|
| 杨建灵;张丽艳;方永红;黄文俊;周少华;: "基于参数化组件描述的复合材料桨叶结构设计", 南京航空航天大学学报, no. 05 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470452A (en) * | 2019-08-05 | 2019-11-19 | 中国航空工业集团公司哈尔滨空气动力研究所 | Wind tunnel test high speed ducted tail rotor model composite blade assembling structure |
| CN113002759A (en) * | 2019-12-20 | 2021-06-22 | 海鹰航空通用装备有限责任公司 | Propeller root connecting structure of propeller |
| CN113530886A (en) * | 2020-04-22 | 2021-10-22 | 中国电建集团透平科技有限公司 | Large wind tunnel fan impeller |
| CN115163555A (en) * | 2022-07-18 | 2022-10-11 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade used at low temperature |
| CN115163555B (en) * | 2022-07-18 | 2024-02-13 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade used at low temperature |
| CN115163552A (en) * | 2022-07-20 | 2022-10-11 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade root connection structure |
| CN115163552B (en) * | 2022-07-20 | 2023-10-17 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade root connection structure |
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