CN109109341A - A kind of preparation method of wind electricity blade - Google Patents
A kind of preparation method of wind electricity blade Download PDFInfo
- Publication number
- CN109109341A CN109109341A CN201811239362.0A CN201811239362A CN109109341A CN 109109341 A CN109109341 A CN 109109341A CN 201811239362 A CN201811239362 A CN 201811239362A CN 109109341 A CN109109341 A CN 109109341A
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- crossbeam
- leading edge
- side shell
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- 230000005611 electricity Effects 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 238000009755 vacuum infusion Methods 0.000 claims abstract description 9
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 27
- 239000003292 glue Substances 0.000 claims description 24
- 238000007493 shaping process Methods 0.000 claims description 5
- 210000001015 abdomen Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000001788 irregular Effects 0.000 description 9
- 239000011162 core material Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000010412 perfusion Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- 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
- B29C70/36—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 impregnating by casting, e.g. vacuum casting
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
Abstract
The invention discloses a kind of preparation method of wind electricity blade, includes the following steps: to be laid with glass-fiber-fabric, crossbeam, sandwich in suction side/pressure side housing mould, then vacuum infusion resin, obtain the integrated molding object of shell and crossbeam after solidifying demoulding；It is laid in the prefabricated rear mold of wind electricity blade by glass-fiber-fabric-core material-glass-fiber-fabric sequence, vacuum infusion resin, solidification demoulding obtains prefabricated rear；The prefabricated rear is the component that suction side shell rear and pressure side shell rear are integrally formed；The both ends of leading edge web and rear web are adhered respectively on suction side crossbeam and pressure side crossbeam, the leading edge portion bonding of suction side shell and pressure side shell；By prefabricated rear and suction side shell and pressure side case bonding, wind electricity blade is obtained.Prefabricated rear of the invention can refine control corner, farthest avoid the forming defects such as fold；The bonding plane of prefabricated rear and shell is plane, and bonding difficulty substantially reduces, quality also available guarantee.
Description
Technical field
The invention belongs to wind electricity blade technical fields, and in particular to a kind of preparation method of wind electricity blade.
Background technique
With the arriving in new energy par epoch, in the development of wind electricity blade trend in large size, low cost and height can
Become by property and designs and manufactures key.Currently, the structure of wind electricity blade generally by blade suction in shell, blade pressure shell
Body, web composition, wherein crossbeam and web are pre-formed, in production, prefabricated crossbeam form together with blade shell,
Suction side after molding shell, prefabricated web, pressure side shell complete final wind electricity blade structure by structure glue sticking.Leaf
The leading edge and rear of piece shell are all that in shell and blade pressure, shell is integrally formed with blade suction, finally inhale blade
Power shell leading edge in shell leading edge and blade pressure is bonded, and blade suction shell rear in shell rear and blade pressure is viscous
It connects.Because wind electricity blade shell is Irregular Boundary Surface, leading to rear edge of wind turbine blade is irregular die cavity, therefore uses above-mentioned manufacture
Method makes laying and bonding operating difficulties, and rear edge of wind turbine blade is easy to cause the defects of fold, starved this production side occur
Method exists.
Number of patent application CN201720866497.4 proposes a kind of wind electricity blade, discloses wind-powered electricity generation at the 0028th section of specification
The manufacturing method of blade, comprising: the blade is divided to two half, and each half of blade is glass-fiber-fabric-core material-glass-fiber-fabric
Interlayer structure；Each half is laying A cloth layer first, and A cloth layer has been spread, and places crossbeam, and crossbeam, which is placed, terminates laying core material,
Laying core material terminates to start the face B laying, then obtains rear cavity shape by leaf model, then laying shell layer of cloth, it
Upper auxiliary material afterwards, perfusion solidification, solidification remove auxiliary material after terminating；Edge in front of the blade, trailing edge smearing structure glue；It is bonded abdomen
Plate, web 8 are bonded in high pressure on piece, in leading edge rear and web smearing structure glue, high tabletting and low voltage sheet are made to be bonded in one
It rises.The invention mesohigh piece rear and low voltage sheet rear be respectively it is integrally formed with high tabletting and low voltage sheet, blade bonding
In the process, high tabletting rear and low voltage sheet rear pass through structure glue sticking, there are problems that being difficult with type between two rear bonding planes
Accomplish ideal adhesive thickness, it is exceeded to easily lead to adhesive thickness, can reduce adhesive property, while viscose glue thickness is exceeded easily causes more
More bubble, cavity etc. produce defect, influence blade construction reliability.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of preparation method of wind electricity blade.
The present invention provides a kind of preparation methods of wind electricity blade, include the following steps:
1) crossbeam, sandwich and lower glass-fiber-fabric when being successively laid with upper glass-fiber-fabric, suction in housing mould in suction, in shell
Vacuum system, vacuum infusion resin are laid in shell laying after laying, until resin system completion of cure, obtains after demoulding
To the integrated molding object of suction crossbeam in shell and suction；Pressure side shell and pressure side crossbeam are prepared according to the method described above
It is integrally formed object；
2) it is laid in the prefabricated rear mold of wind electricity blade by glass-fiber-fabric-core material-glass-fiber-fabric sequence, it is true after laying
Sky perfusion resin, solidification demoulding obtain prefabricated rear, and the prefabricated rear is suction side shell rear and pressure side shell rear
It is integrally formed
Obtained component；
3) both ends of leading edge web and rear web are adhered respectively on suction side crossbeam and pressure side crossbeam, suction side shell
The leading edge portion of body and pressure side shell bonding；
4) by prefabricated rear and suction side shell and pressure side case bonding, wind electricity blade is obtained.
Preferably, suction side crossbeam, pressure side crossbeam, leading edge web, rear web and prefabricated rear are all made of very
Sky imports moulding technology preparation.
Preferably, the step 1) method for being laid with vacuum system are as follows: table in shell laying after shell laying
Face laying release cloth is laid with upper surface flow-guiding screen and upper surface air-exhausting bag in release cloth upper surface, then in entire housing mould
Upper laying seals vacuum bag film, and sets the gum-injecting port in shaping mold cavity and vacuum pumping opening, vacuumize holding vacuum degree≤-
0.098Mpa。
Preferably, the adhering method of step 2) the pressure side shell and suction side shell leading edge portion are as follows: suction side shell
The leading edge adhesion zone smearing structure glue of body or pressure side shell, pressure side shell leading edge portion and suction side shell leading edge portion are viscous
It connects.
Preferably, the both ends of step 3) the leading edge web and rear web are equipped with bonding flange.
Preferably, step 3) the leading edge web and the rear web method Nian Jie with crossbeam are as follows: leading edge web and rear
Flange on smearing structure glue, by structure glue by the both ends of leading edge web and rear web be adhered respectively to suction side crossbeam and
On pressure side crossbeam.
Preferably, step 4) the prefabricated rear passes through structure glue and suction side shell and pressure side case bonding, bonding
When the face that is in contact all be plane.
The both ends of leading edge web and rear web of the present invention pass through structure glue and suction crossbeam in shell and suction
The suction side crossbeam being integrally formed on object and pressure side shell and pressure side crossbeam the pressure side crossbeam being integrally formed on object
Bonding.
The face that prefabricated rear of the present invention is in contact with suction side shell and pressure side shell is all plane, relatively not
For regular pattern composite chamber, the bonding difficulty between plane and plane is substantially reduced, quality also available guarantee.
Step 1) the upper glass-fiber-fabric of the present invention is laid with close to suction side/pressure side housing mould, and lower glass-fiber-fabric is paving
It is located at the top of core material.
Prefabricated rear of the present invention the preparation method comprises the following steps: in prefabricated rear mold first laying glass-fiber-fabric and core material, paving
After layer, laying flow-guiding screen, injecting glue tube material on surface establish closed system using fexible film and sealant tape, use
Vacuum pump vacuumizes holding vacuum degree≤- 0.098Mpa, imports resin, and resin is dispersed by injected rubber hose and flow-guiding screen, completion pair
The perfusion of product, be heating and curing molding, demoulds up to prefabricated rear.
Vacuum infusion molding process of the present invention: also known as vacuum perfusion process, be a kind of advanced composite material it is low at
This liquid composite molding technology has many advantages, such as low cost, environmental protection and to be suitable for large-sized composite material component integrally formed,
Technological principle is with flexible vacuum bag film cladding, sealing reinforcing material preform in single side rigid die, under negative pressure of vacuum
The gas in die cavity is excluded, using the flowing of resin, permeates realization resin to the dipping of fiber and its fabric, and curing molding obtains
To composite element.
Currently, wind electricity blade during production, usually first prepares web and crossbeam, then use structure glue by abdomen
Plate is bonded on the surface of suction side shell or pressure side shell, and the leading edge of shell and rear be all with suction side shell and
Pressure side shell is integrally formed, and suction side shell leading edge and pressure side shell leading edge are bonded, suction side shell rear and pressure
Power side shell rear bonding, is finally completed the preparation of wind electricity blade.Because wind electricity blade shell is Irregular Boundary Surface, lead to wind-powered electricity generation
Trailing edge is irregular die cavity, therefore uses conventional methods and be integrally formed shell rear and shell, so that laying operates
Difficulty, and bonding plane when suction side shell rear and pressure side shell rear bonding there are problems that with type, be irregular
, bonding is difficult, is difficult to accomplish ideal adhesive thickness, can reduce adhesive property, rear edge of wind turbine blade is easy to cause pleat occur
The defects of wrinkle, starved, in turn results in during wind electricity blade operation and the failures such as rear cracking occurs, not only affect blade at
Type efficiency has also aggravated the burden of after-sale service, causes to influence corporate image while economic loss.And it is real in bonding process
The deviation of border adhesive thickness cause viscose glue dosage can not Accurate Prediction, for guarantee do not generate starved defect, needed in actual production
Amplify viscose glue dosage, causes waste of material.
The prefabricated rear an of entirety is first made in suction side shell rear and pressure side shell rear by the present invention, then again
With suction side shell and pressure side case bonding, do not needed between suction side shell rear and pressure side shell rear using structure
Glue sticking, avoid as the bonding plane of the two is irregular and caused by various problems, and can be refined using prefabricated rear
Corner is controlled, the forming defects such as fold are farthest avoided；Secondly, the bonding plane of prefabricated rear and shell is plane, relatively
For irregular die cavity, the bonding difficulty between plane and plane is substantially reduced, quality also available guarantee.
The present invention by wind electricity blade be divided into prefabricated rear, suction in shell, pressure side shell, web, suction crossbeam and
The modules such as pressure side crossbeam, during blade forming, modules are separately formed, and are adhered to finally by corresponding process means
Together, production efficiency can either be improved, realizes the rapid shaping of blade, and can be avoided some region of major defect of blade and lead
Scrapping for entire blade is caused, cost is reduced, quality control can be carried out to modules respectively, Refinement operation process is guaranteeing
Cost efficiency is realized while product quality, effect is more preferable.
The beneficial effects of the present invention are:
1, the present invention can refine control corner using prefabricated rear, farthest avoid the forming defects such as fold；Its
Secondary, the bonding plane of prefabricated rear and shell is plane, and for opposite irregular die cavity, the bonding difficulty between plane and plane is big
It is big to reduce, quality also available guarantee.
2, wind electricity blade is divided into prefabricated rear, the suction crossbeam in shell, pressure side shell, web, suction by the present invention
With the modules such as pressure side crossbeam, during blade forming, modules are separately formed, and are bonded finally by corresponding process means
To together, production efficiency can either be improved, realizes the rapid shaping of blade, and can be avoided some region of major defect of blade
Lead to scrapping for entire blade, reduce cost, quality control can be carried out to modules respectively, Refinement operation process is being protected
Cost efficiency is realized while demonstrate,proving product quality, effect is more preferable.
3, preparation method of the invention is simple, high production efficiency, reduces the costs such as materials'use in production process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wind electricity blade of the present invention.
Fig. 2 is the isometric side view of wind electricity blade of the present invention.
Fig. 3 is the top view of wind electricity blade of the present invention.
Fig. 4 is the prefabricated trailing edge formations schematic diagram of wind electricity blade of the present invention.
Fig. 5 is the sectional view of the prefabricated rear mold of the present invention.
Wherein, 1 prefabricated rear, 2 suction sides/pressure side shell, 3 suction sides/pressure side crossbeam, 4 leading edges/rear web.
Specific embodiment
A specific embodiment of the invention is described further below with reference to embodiment, is not therefore limited the invention to
Within the scope of the embodiment described.
As shown in Figure 1-3, wind electricity blade prepared by the present invention include prefabricated rear 1, it is suction side/pressure side shell 2, preceding
Edge/rear web 3, suction side/pressure side crossbeam 4, prefabricated rear 1 are suction side shell rear and pressure side shell rear one
Form obtained component.
Prefabricated rear mold of the present invention is as shown in figure 5, using Vacuum infusion molding process in prefabricated rear mold
Obtained in prefabricated 1 structure of rear it is as shown in Figure 4.
Embodiment 1
1) suction side crossbeam, pressure side crossbeam, leading edge web, rear abdomen are first prepared using Vacuum infusion molding process respectively
Plate and prefabricated rear, crossbeam, sandwich and lower glass-fiber-fabric when suction is successively laid with upper glass-fiber-fabric, suction in housing mould,
Shell laying upper surface laying release cloth after shell laying is laid with upper surface flow-guiding screen and upper table in release cloth upper surface
Then face air-exhausting bag is laid with sealing vacuum bag film on entire housing mould, and set the gum-injecting port in shaping mold cavity and true
Empty pump port vacuumizes holding vacuum degree≤- 0.098Mpa；Vacuum infusion resin, until resin system completion of cure, after demoulding
Obtain the integrated molding object of suction crossbeam in shell and suction；Pressure side shell and pressure side crossbeam are prepared according to the method described above
Integrated molding object；
2) being laid with glass-fiber-fabric and core material, laying by glass-fiber-fabric-core material-glass-fiber-fabric sequence in prefabricated rear mold terminates
Afterwards, in surface laying flow-guiding screen, injecting glue tube material, closed system is established using fexible film and sealant tape, uses vacuum pump
Holding vacuum degree≤- 0.098Mpa is vacuumized, resin is imported, resin is dispersed by injected rubber hose and flow-guiding screen, is completed to product
Perfusion, be heating and curing molding, demoulds up to prefabricated rear, prefabricated rear is suction side shell rear and pressure side shell rear one
Body formed obtained component；
3) both ends of leading edge web and rear web are equipped with bonding flange, and smearing structure glue on flange passes through structure glue
The both ends of leading edge web and rear web are adhered respectively on suction side crossbeam and pressure side crossbeam；In suction side shell or pressure
The leading edge adhesion zone smearing structure glue of power side shell, keeps pressure side shell leading edge portion Nian Jie with suction side shell leading edge portion；
4) prefabricated rear is by structure glue and suction side shell and pressure side case bonding, and the face that when bonding is in contact all is
Plane, finally obtain wind electricity blade.
Comparative example 1
Wind electricity blade is prepared using the method in number of patent application CN 201720866497.4.
By the study found that using the method in embodiment 1, by suction side shell rear and pressure side shell rear one
Prefabricated rear is made in molding, do not need during later period wind electricity blade modularization assembling bonding by suction side shell rear and
Pressure side shell rear bonding, but directly by prefabricated rear and suction side shell and pressure side case bonding, compared to comparison
This method avoids suction side shell rear and pressure side shell rear bonding difficulty, has there is asking for gauffer in method in example 1
Topic, prefabricated rear can refine control corner, farthest avoid the forming defects such as fold；Secondly, prefabricated rear and shell
Bonding plane be plane, for opposite irregular die cavity, the bonding difficulty between plane and plane is substantially reduced, and quality can also be with
It is guaranteed.
Claims (7)
1. a kind of preparation method of wind electricity blade, which comprises the steps of:
1) crossbeam, sandwich and lower glass-fiber-fabric when being successively laid with upper glass-fiber-fabric, suction in housing mould in suction, in shell laying
After shell laying on be laid with vacuum system, vacuum infusion resin, until resin system completion of cure, is inhaled after demoulding
The integrated molding object of power crossbeam in shell and suction；The one of pressure side shell and pressure side crossbeam is prepared according to the method described above
Molding；
2) it is laid in the prefabricated rear mold of wind electricity blade by glass-fiber-fabric-core material-glass-fiber-fabric sequence, vacuum fills after laying
Resin is infused, solidification demoulding obtains prefabricated rear；The prefabricated rear is suction side shell rear and pressure side shell rear one
Form obtained component；
3) both ends of leading edge web and rear web are adhered respectively on suction side crossbeam and pressure side crossbeam, suction side shell and
The leading edge portion of pressure side shell is bonded；
4) by prefabricated rear and suction side shell and pressure side case bonding, wind electricity blade is obtained.
2. the preparation method of wind electricity blade as described in claim 1, which is characterized in that suction side crossbeam, pressure side are big
Beam, leading edge web, rear web and prefabricated rear are all made of Vacuum infusion molding process preparation.
3. the preparation method of wind electricity blade as described in claim 1, which is characterized in that step 1) the laying vacuum system
Method are as follows: shell laying upper surface laying release cloth after shell laying is laid with upper surface in release cloth upper surface and leads
Then drift net and upper surface air-exhausting bag are laid with sealing vacuum bag film on entire housing mould, and set in shaping mold cavity
Gum-injecting port and vacuum pumping opening vacuumize holding vacuum degree≤- 0.098Mpa.
4. the preparation method of wind electricity blade as claimed in claim 1 or 2, which is characterized in that step 2) the pressure side shell
With the adhering method of suction side shell leading edge portion are as follows: the leading edge adhesion zone smearing structure of suction side shell or pressure side shell
Glue, pressure side shell leading edge portion are Nian Jie with suction side shell leading edge portion.
5. the preparation method of wind electricity blade as described in any one of claims 1-3, which is characterized in that step 3) the leading edge abdomen
The both ends of plate and rear web are equipped with bonding flange.
6. the preparation method of wind electricity blade as claimed in claim 5, which is characterized in that step 3) the leading edge web and rear
The web method Nian Jie with crossbeam are as follows: smearing structure glue on the flange of leading edge web and rear, by structure glue by leading edge web
It is adhered respectively on suction side crossbeam and pressure side crossbeam with the both ends of rear web.
7. the preparation method of wind electricity blade as described in any one of claims 1-3, which is characterized in that step 4) it is described it is prefabricated after
For edge by structure glue and suction side shell and pressure side case bonding, the face that when bonding is in contact all is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239362.0A CN109109341B (en) | 2018-10-23 | 2018-10-23 | Preparation method of wind power blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239362.0A CN109109341B (en) | 2018-10-23 | 2018-10-23 | Preparation method of wind power blade |
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| CN109109341A true CN109109341A (en) | 2019-01-01 |
| CN109109341B CN109109341B (en) | 2021-02-02 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645142A (en) * | 2019-09-27 | 2020-01-03 | 明阳智慧能源集团股份公司 | Modular wind power blade not to be scrapped in full life cycle and manufacturing method thereof |
| CN111070729A (en) * | 2019-11-12 | 2020-04-28 | 洛阳双瑞风电叶片有限公司 | Manufacturing method for reverse modeling of wind power blade web mold |
| CN111136939A (en) * | 2020-01-17 | 2020-05-12 | 无锡太湖学院 | Prefabricated tail edge beam structure of large wind turbine blade and manufacturing method |
| CN113232321A (en) * | 2021-03-29 | 2021-08-10 | 上海电气风电集团股份有限公司 | Wind power blade shell core material prefabricating process method and shell core material prefabricating member |
| CN115583041A (en) * | 2022-12-09 | 2023-01-10 | 成都市鸿侠科技有限责任公司 | Special-shaped complex curved surface gluing tool and gluing method |
| CN117390721A (en) * | 2023-12-11 | 2024-01-12 | 东方电气（天津）风电叶片工程有限公司 | Method for generating trailing edge blind core-sticking material model |
| CN117390721B (en) * | 2023-12-11 | 2024-04-16 | 东方电气（天津）风电叶片工程有限公司 | Method for generating trailing edge blind core-sticking material model |
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