CN110219783A - A kind of fan blade rear bonded structure and its forming method - Google Patents
A kind of fan blade rear bonded structure and its forming method Download PDFInfo
- Publication number
- CN110219783A CN110219783A CN201910604683.4A CN201910604683A CN110219783A CN 110219783 A CN110219783 A CN 110219783A CN 201910604683 A CN201910604683 A CN 201910604683A CN 110219783 A CN110219783 A CN 110219783A
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- Prior art keywords
- core material
- blade
- face
- auxiliary layer
- bonded
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of fan blade rear bonded structure, the structure includes the auxiliary layer structure of the auxiliary layer structure in the face blade PS and the face blade SS, the turning core material enhancing laying for being additionally provided with rear turning core material on the outside of the auxiliary layer structure outside in the face blade PS and/or the auxiliary layer structure in the face blade SS and being laid on the outside of the core material of rear turning;The bonding core material enhancing laying for being additionally provided with inside bonding core material on the inside of the auxiliary layer structure in the face the blade PS and/or on the inside of the auxiliary layer structure in the face blade SS and being laid on the bonding core material of inside.The structure fabrication is easy, quality is stablized, and is bonded gap convenient for accurate control trailing edge, guarantees that bonding gap meets the requirements.
Description
Technical field
The present invention relates to technical field of wind power generation, especially a kind of fan blade rear bonded structure is further related to above-mentioned
The forming method of fan blade rear bonded structure.
Background technique
Wind-driven generator is to convert wind energy into mechanical work, and mechanical work drives rotor rotation, the electricity of final output alternating current
Power equipment.
Blade is the component of most basic and most critical in wind-driven generator, good design, reliable quality and superior
Performance be guarantee unit normal table operation determinant.
In the prior art, the adhesion zone of blade is the rear of link most weak in overall structure, especially fan blade,
It is easy to appear the overproof situation of thickness in fan blade rear, thus, up-to-standard fan blade rear is produced, wind-force
The gap control of generator blade rear bonding wants very strict.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide, one kind is simple for production, quality is steady
It is fixed, while can guarantee that trailing edge bonding gap command character closes desired fan blade rear bonded structure.
There is provided the moldings of above-mentioned fan blade rear bonded structure for another technical problem to be solved by this invention
Method.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is a kind of blower
Trailing edge bonded structure, the structure include the auxiliary layer structure of the auxiliary layer structure in the face blade PS and the face blade SS, the auxiliary layer knot in the face blade PS
Rear turning core material is additionally provided on the outside of the auxiliary layer structure on the outside of the structure and/or face blade SS and is laid on the outside of the core material of rear turning
Turning core material enhances laying;In being additionally provided on the inside of the auxiliary layer structure in the face the blade PS and/or on the inside of the auxiliary layer structure in the face blade SS
Side bonds core material and the bonding core material enhancing laying being laid on the bonding core material of inside.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, the rear turning core material shape is triangular in shape or trapezoidal, material be PVC or
BALSA。
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, the turning core material enhancing laying is made of several layers twin shaft glass-fiber-fabric, tangential
Size exceeds rear turning core material size 100-200mm, and axial dimension exceeds rear turning core material size 500-1000mm.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, inside bonding core material shape is triangular in shape or trapezoidal, material be PVC or
BALSA。
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, the bonding core material enhancing laying is made of several layers twin shaft glass-fiber-fabric, tangential
Size is bonded core material size 100-250mm beyond inside, and axial dimension is bonded core material size 500-1500mm beyond inside.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, the auxiliary layer structure in the face the blade PS are made of several layers twin shaft glass-fiber-fabric.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, the auxiliary layer structure in the face the blade SS are made of several layers twin shaft glass-fiber-fabric.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fan blade rear bonded structure, a kind of forming method of fan blade rear bonded structure, its step are as follows:
(1) being first laid with turning core material enhances laying, re-lays rear turning core material, is then laid with the face blade PS ply angles, connects
Re-lay inside be bonded core material, finally be laid with bonding core material enhance laying;
(2) being first laid with turning core material enhances laying, re-lays rear turning core material, is then laid with the face blade SS ply angles, connects
Re-lay inside be bonded core material, finally be laid with bonding core material enhance laying;
(3) molded, the Nian Jie gap of formation between the face PS ply angles and the face SS ply angles, finally by total with
Blade vacuum filling formation.
Compared with prior art, the present invention is to guarantee that bonding gap meets design requirement, in blade ply angles and blade
On the basis of the ply angles of the face SS, increases rear turning core material, turning core material enhancing laying, inside bonding core material and bonding core material and increase
Strong laying, total is with blade vacuum form, convenient for controlling bonding gap;Secondly, can be according to the actual situation
Selectivity carries out being laid on blade ply angles and/or the face blade SS ply angles rear turning core material, the increasing of turning core material
Strong laying, inside bonding core material and bonding core material enhance laying, better meet actual requirement convenient for control bonding gap.The knot
Structure is simple for production, quality is stable, is bonded gap convenient for accurate control trailing edge, guarantees that bonding gap meets the requirements.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, right below in conjunction with attached drawing of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Referring to Fig.1, a kind of fan blade rear bonded structure, the structure include the auxiliary layer structure 2 in the face blade PS and blade SS
The auxiliary layer structure 3 in face is additionally provided with rear turning core on the outside of 2 outside of the auxiliary layer structure in the face blade PS and/or the auxiliary layer structure 3 in the face blade SS
Material 4 and the turning core material enhancing laying 5 for being laid on 4 outside of rear turning core material;2 inside of the auxiliary layer structure in the face the blade PS and/
Or the bonding core material for being additionally provided with inside bonding core material 6 on the inside of the auxiliary layer structure 3 in the face blade SS and being laid on the bonding core material 6 of inside
Enhance laying 7.When molding, bonding gap can be formed between the auxiliary layer structure 3 of the auxiliary layer structure 2 in the face blade PS and the face blade SS, is
Guarantee that bonding gap meets design requirement, on the basis of blade PS ply angles and the face SS ply angles, increases rear turning core
Material 4, turning core material enhancing laying 5, inside bonding core material 6 and bonding core material enhance laying 7, and total is perfused with blade vacuum
Molding;, can be as needed in practical operation, simultaneously or separately in auxiliary 2 outside of layer structure in the face blade PS or the auxiliary layer in the face blade SS
Rear turning core material 4 is set on the outside of structure 3;Simultaneously or separately in auxiliary 2 inside of layer structure in the face blade PS or the auxiliary layer in the face blade SS
Setting inside is bonded core material 6 on the inside of structure 3.
The rear turning 4 shapes of core material are triangular in shape or trapezoidal, and material is PVC or BALSA.It is arranged auxiliary in the face blade PS
The rear turning core material 4 in 2 outside of layer structure is the face PS rear turning core material 4, and dimensional structure is according to blade former rear section
And blade PS ply angles are designed, shape is general triangular in shape or trapezoidal, and material is the PVC or BALSA of fluting punching,
PVC refers to that pvc material, BALSA refer to Ba Sha wood material;The rear in auxiliary 3 outside of layer structure in the face blade SS is set
Turning core material 4 is the face SS rear turning core material 4, dimensional structure according to blade former rear section and blade SS ply angles into
Row design, shape is general triangular in shape or trapezoidal, and material is the PVC or BALSA of fluting punching, and PVC refers to polyvinyl chloride material
Material, BALSA refer to Ba Sha wood material.
The turning core material enhancing laying 5 is made of several layers twin shaft glass-fiber-fabric, and tangential size exceeds rear turning core
4 size 100-200mm of material, axial dimension exceed 4 size 500-1000mm of rear turning core material;Preferably, turning core material enhances
Laying 5 is made of 2 layers of twin shaft glass-fiber-fabric, and the tangential size that turning core material enhances laying 5 exceeds 4 ruler of the face PS rear turning core material
Very little 180mm, axial dimension exceed 4 size 800mm of the face PS rear turning core material.
Inside bonding 6 shape of core material is triangular in shape or trapezoidal, and material is PVC or BALSA.Setting is spread in the face blade PS
Inside bonding core material 6 on the inside of layer structure is that core material 6 is bonded on the inside of the face PS, dimensional structure according to blade former rear section and
Blade PS ply angles are designed, and shape is general triangular in shape or trapezoidal, and material is the PVC or BALSA of fluting punching, PVC
Refer to that pvc material, BALSA refer to Ba Sha wood material;Interior side bonds on the inside of the ply angles of the face blade SS are set
Core material 6 is that core material 6 is bonded on the inside of the face SS, and dimensional structure is set according to blade former rear section and blade SS ply angles
Meter, shape is general triangular in shape or trapezoidal, and material is the PVC or BALSA of fluting punching, and PVC refers to pvc material,
BALSA refers to Ba Sha wood material.
The bonding core material enhancing laying 7 is made of several layers twin shaft glass-fiber-fabric, and tangential size exceeds inside tack core
6 size 100-250mm of material, axial dimension are bonded 6 size 500-1500mm of core material beyond inside, it is preferred that bonding core material enhancing
Laying 7 is made of 6 layers of twin shaft glass-fiber-fabric, and tangential size is bonded 6 size 220mm of core material beyond inside, and axial dimension is beyond interior
6 size 1200mm of side bonds core material.
The auxiliary layer structure 3 of the auxiliary layer structure 2 in the face the blade PS and the face blade SS is all made of several layers twin shaft glass-fiber-fabric and is made, tool
The body number of plies is configured according to actual needs, in practice, can also be using the material of other production fan blades in the prior art
The auxiliary layer structure 2 in the material production face blade PS, the auxiliary layer structure 3 in the face blade SS, rear turning core material 4 and inside are bonded core material 6.
A kind of forming method of fan blade rear bonded structure, its step are as follows:
(1) turning core material is first laid on blade former enhances laying, re-lays the face PS rear turning core material, is then laid with leaf
The face piece PS ply angles then re-lay and are bonded core material on the inside of the face PS, and being finally laid with bonding core material enhances laying;
(2) turning core material is first laid on lower blade former enhances laying, re-lays the face SS rear turning core material, is then laid with leaf
The face piece SS ply angles then re-lay and are bonded core material on the inside of the face SS, and being finally laid with bonding core material enhances laying;
(3) it carries out blade former and lower blade former is molded, the shape between the face PS ply angles and the face SS ply angles
At bonding gap, finally by total with blade vacuum filling formation.
Claims (8)
1. a kind of fan blade rear bonded structure, it is characterised in that: the structure includes the auxiliary layer structure in the face blade PS and blade SS
The auxiliary layer structure in face, the auxiliary layer structure outside in the auxiliary layer structure outside in the face blade PS and/or the face blade SS are additionally provided with rear turning core material
Enhance laying with the turning core material being laid on the outside of the core material of rear turning;The auxiliary layer structure inside in the face the blade PS and/or blade
The bonding core material enhancing laying for being additionally provided with inside bonding core material on the inside of the auxiliary layer structure in the face SS and being laid on the bonding core material of inside.
2. fan blade rear bonded structure according to claim 1, it is characterised in that: the rear turning core material shape
Triangular in shape or trapezoidal, material is PVC or BALSA.
3. fan blade rear bonded structure according to claim 1 or 2, it is characterised in that: the turning core material enhancing
Laying is made of several layers twin shaft glass-fiber-fabric, and tangential size exceeds rear turning core material size 100-200mm, and axial dimension is super
Rear turning core material size 500-1000mm out.
4. fan blade rear bonded structure according to claim 1, it is characterised in that: the inside is bonded core material shape
Triangular in shape or trapezoidal, material is PVC or BALSA.
5. fan blade rear bonded structure according to claim 1 or 4, it is characterised in that: the bonding core material enhancing
Laying is made of several layers twin shaft glass-fiber-fabric, and tangential size is bonded core material size 100-250mm beyond inside, and axial dimension is super
Inside is bonded core material size 500-1500mm out.
6. fan blade rear bonded structure according to claim 1, it is characterised in that: the auxiliary layer structure in the face the blade PS
It is made of several layers twin shaft glass-fiber-fabric.
7. fan blade rear bonded structure according to claim 1 or 6, it is characterised in that: the auxiliary layer in the face the blade SS
Structure is made of several layers twin shaft glass-fiber-fabric.
8. a kind of forming method of fan blade rear bonded structure, it is characterised in that: this method is any using claim 1-7
Fan blade rear bonded structure described in one, its step are as follows:
(1) being first laid with turning core material enhances laying, re-lays rear turning core material, is then laid with the face blade PS ply angles, connects
Re-lay inside be bonded core material, finally be laid with bonding core material enhance laying;
(2) being first laid with turning core material enhances laying, re-lays rear turning core material, is then laid with the face blade SS ply angles, connects
Re-lay inside be bonded core material, finally be laid with bonding core material enhance laying;
(3) molded, the Nian Jie gap of formation between the face PS ply angles and the face SS ply angles, finally by total with
Blade vacuum filling formation.
Priority Applications (1)
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CN201910604683.4A CN110219783A (en) | 2019-07-05 | 2019-07-05 | A kind of fan blade rear bonded structure and its forming method |
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CN201910604683.4A CN110219783A (en) | 2019-07-05 | 2019-07-05 | A kind of fan blade rear bonded structure and its forming method |
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CN201910604683.4A Pending CN110219783A (en) | 2019-07-05 | 2019-07-05 | A kind of fan blade rear bonded structure and its forming method |
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CN107559155A (en) * | 2017-10-16 | 2018-01-09 | 国电联合动力技术有限公司 | A kind of wind generator set blade and its laying adhesive method and Wind turbines |
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EP3396155A1 (en) * | 2017-04-27 | 2018-10-31 | Senvion GmbH | Rotor blade of a wind turbine and method for manufacturing same, termination bridge of a rotor blade and use of same |
CN108979951A (en) * | 2018-06-13 | 2018-12-11 | 上伟(江苏)碳纤复合材料有限公司 | A method of wind electricity blade is produced using prefabricated panels |
CN109203515A (en) * | 2018-10-12 | 2019-01-15 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade and its manufacturing method |
CN208962535U (en) * | 2018-08-01 | 2019-06-11 | 北京博亦睿科技有限公司 | A kind of ply angles of large scale wind power machine root of blade |
CN210422886U (en) * | 2019-07-05 | 2020-04-28 | 国电联合动力技术(连云港)有限公司 | Fan blade trailing edge bonding structure |
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2019
- 2019-07-05 CN CN201910604683.4A patent/CN110219783A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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US20030116262A1 (en) * | 2001-11-13 | 2003-06-26 | Bonus Energy A/S | Method for manufacturing windmill blades |
CN202071360U (en) * | 2011-04-29 | 2011-12-14 | 昆山华风风电科技有限公司 | Fan blade manufactured using fan blade shearing rib integral infusion forming technology |
EP2617555A1 (en) * | 2012-01-20 | 2013-07-24 | Siemens Aktiengesellschaft | Wind turbine rotor blade with trailing edge comprising rovings |
WO2018104076A1 (en) * | 2016-12-06 | 2018-06-14 | Senvion Gmbh | Trailing edge spar cap of a rotor blade of a wind turbine, rotor blade and method for producing a trailing edge spar cap |
EP3396155A1 (en) * | 2017-04-27 | 2018-10-31 | Senvion GmbH | Rotor blade of a wind turbine and method for manufacturing same, termination bridge of a rotor blade and use of same |
CN107559155A (en) * | 2017-10-16 | 2018-01-09 | 国电联合动力技术有限公司 | A kind of wind generator set blade and its laying adhesive method and Wind turbines |
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Application publication date: 20190910 |
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