[go: up one dir, main page]

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 PDF

Info

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
Authority
CN
China
Prior art keywords
core material
blade
face
auxiliary layer
bonded
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.)
Pending
Application number
CN201910604683.4A
Other languages
Chinese (zh)
Inventor
褚景春
袁凌
林涛
袁维瀚
张维斯
朱洁
岳彦山
陶生金
何明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guodian United Power Technology Lianyungang Co Ltd
Original Assignee
Guodian United Power Technology Lianyungang Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guodian United Power Technology Lianyungang Co Ltd filed Critical Guodian United Power Technology Lianyungang Co Ltd
Priority to CN201910604683.4A priority Critical patent/CN110219783A/en
Publication of CN110219783A publication Critical patent/CN110219783A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping 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
    • B29C70/34Shaping 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
    • B29C70/342Shaping 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/40Shaping or impregnating by compression not applied
    • B29C70/42Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44Shaping 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
    • B29C70/443Shaping 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • 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

A kind of fan blade rear bonded structure and its forming method
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.
CN201910604683.4A 2019-07-05 2019-07-05 A kind of fan blade rear bonded structure and its forming method Pending CN110219783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910604683.4A CN110219783A (en) 2019-07-05 2019-07-05 A kind of fan blade rear bonded structure and its forming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910604683.4A CN110219783A (en) 2019-07-05 2019-07-05 A kind of fan blade rear bonded structure and its forming method

Publications (1)

Publication Number Publication Date
CN110219783A true CN110219783A (en) 2019-09-10

Family

ID=67812826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910604683.4A Pending CN110219783A (en) 2019-07-05 2019-07-05 A kind of fan blade rear bonded structure and its forming method

Country Status (1)

Country Link
CN (1) CN110219783A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
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

Similar Documents

Publication Publication Date Title
CN103921457B (en) A kind of unidirectional sheet material adopting pultrude process to manufacture manufactures the method for fan blade main beam or auxiliary beam
CN101825057B (en) Spar cap for wind turbine blades
CN111608852B (en) Lightweight fan blade and manufacturing method thereof
CN102465826B (en) Main beam cap assembly for fan rotor blade
CN102320142B (en) Trailing edge splicing method for megawatt wind driven generator blade to assemble die
CN105508142B (en) A kind of more girder construction large scale wind electricity blades and its production method
CN106378942A (en) Manufacturing and installation method of megawatt-stage wind turbine blade girder cap
CN106499578A (en) A kind of wind power blade tip lightening extending structure and method
CN105673358A (en) Large tail-edge sectional wind turbine blade connecting structure and manufacturing process thereof
CN109483917A (en) Application of rigid foam in adjusting die assembly gap of rear edge of wind power blade
CN210422886U (en) Fan blade trailing edge bonding structure
CN206513503U (en) A kind of wind power generation unit blade blade tip extends ruggedized construction
CN204572349U (en) A kind of wind machine's laminae made from composite material
CN110219783A (en) A kind of fan blade rear bonded structure and its forming method
CN106738562A (en) Preparation method of the wind electricity blade with flanging web
CN109878105A (en) Fiber lay down layer method for wind electricity blade manufacture
CN206889167U (en) Fan blade horizontal plane girder
CN209228526U (en) A kind of small-sized wind power generator wooden core glass-fibre blade
CN110733188A (en) wind power blade trailing edge vertical surface area filling method
CN111923443A (en) Wind power blade and forming method thereof
CN102626992B (en) A kind of megawatt level wind power generation root of blade manhole plate and the preparation method of cover plate for manhole thereof
CN212920525U (en) Wind power blade bonded by flexible material
CN109177241A (en) A kind of small-sized wind power generator wooden core fiberglass blade manufacture craft
WO2022236724A1 (en) Fan blade provided with reinforcing strips and manufacturing method therefor
CN106499577A (en) Fan blade horizontal plane girder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190910

RJ01 Rejection of invention patent application after publication