CN211230696U - Integrally formed wind driven generator blade - Google Patents
Integrally formed wind driven generator blade Download PDFInfo
- Publication number
- CN211230696U CN211230696U CN201921807626.8U CN201921807626U CN211230696U CN 211230696 U CN211230696 U CN 211230696U CN 201921807626 U CN201921807626 U CN 201921807626U CN 211230696 U CN211230696 U CN 211230696U
- Authority
- CN
- China
- Prior art keywords
- blade
- reinforcing rib
- rib plate
- edge reinforcing
- core mould
- 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.)
- Withdrawn - After Issue
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000003365 glass fiber Substances 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims abstract description 4
- 229920000297 Rayon Polymers 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000011162 core material Substances 0.000 description 41
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009755 vacuum infusion Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
Abstract
The utility model discloses an integrated wind driven generator blade, which comprises a blade body; the structure core mould is arranged in the blade body and comprises a web plate, a front edge reinforcing rib plate, a rear edge reinforcing rib plate, a leeward core mould vacuum auxiliary layer and a windward core mould vacuum auxiliary layer, wherein a plurality of fixing grooves for mounting the front edge reinforcing rib plate and the rear edge reinforcing rib plate are formed on the front edge side and the rear edge side of the web plate, the front edge reinforcing rib plate and the rear edge reinforcing rib plate are arranged in the corresponding fixing grooves and are respectively fixed with the web plate through viscose glue and are used for manually pasting glass fiber cloth, the leeward surfaces of the front edge reinforcing rib plate and the rear edge reinforcing rib plate are provided with the leeward core mould vacuum auxiliary layer, and the windward surfaces of the front edge reinforcing rib plate and the rear edge reinforcing; and the blade body and the structural core mold form an initial blade to be cast, and the initial blade is cast in a RTM vacuum casting system in the mold in a vacuum manner to obtain the integrally formed blade. The utility model discloses a blade performance safe and reliable more has reduced the cost of wind field fortune dimension, improves economic benefits.
Description
Technical Field
The utility model belongs to the technical field of aerogenerator blade fashioned technique and specifically relates to indicate an integrated into one piece aerogenerator blade.
Background
With the development of the wind power industry, onshore and offshore wind power generators are developed in a large-scale direction, at present, 10MW wind power generators and above complete research and development at home and abroad or enter a prototype operation stage, the longest wind power blade reaches 107 meters, and the wind power generator will be developed in a longer direction in the future. With the large-scale development of the blade, the manufacturing difficulty of the traditional mode of the blade is more and more big. The existing vacuum infusion resin introduction mode needs a lot of resin waste, and simultaneously needs a lot of auxiliary materials to complete vacuum introduction, so that the manufacturing cost of the blade is increased, uncontrollable factors of manual operation are increased, the glue is easy to be lacked during gluing, and the quality guarantee of products is also a challenge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an integrated into one piece aerogenerator blade, through the design of innovative structure mandrel, simplified and spread the layer technology, be favorable to the leading-in resin of RTM vacuum perfusion system, accomplish the integrated into one piece of blade, blade performance safe and reliable more has reduced the cost of wind field fortune dimension, improves economic benefits.
In order to achieve the above object, the present invention provides a technical solution: an integrally formed wind turbine blade includes a blade body; the structure core mould is arranged in the blade body and comprises a web plate, a front edge reinforcing rib plate, a rear edge reinforcing rib plate, a leeward core mould vacuum auxiliary layer and a windward core mould vacuum auxiliary layer, wherein a plurality of fixing grooves for mounting the front edge reinforcing rib plate and the rear edge reinforcing rib plate are formed on the front edge side and the rear edge side of the web plate, the front edge reinforcing rib plate and the rear edge reinforcing rib plate are arranged in the corresponding fixing grooves and are respectively fixed with the web plate through viscose glue and are used for manually pasting glass fiber cloth, the leeward surfaces of the front edge reinforcing rib plate and the rear edge reinforcing rib plate are provided with the leeward core mould vacuum auxiliary layer, and the windward surfaces of the front edge reinforcing rib plate and the rear edge reinforcing; and the blade body and the structural core mold form an initial blade to be cast, the blade root section of the initial blade is sealed, and the blade is cast in a RTM vacuum casting system in the mold in a vacuum manner to obtain the integrally formed blade.
Further, the structure core mould further comprises a blade root baffle and a blade root supporting reinforcing rib plate, the blade root baffle is arranged between the windward side core mould vacuum auxiliary layer and the leeward side core mould vacuum auxiliary layer and is close to the blade root section of the blade body, the blade root supporting reinforcing rib plate is arranged between the windward side core mould vacuum auxiliary layer and the leeward side core mould vacuum auxiliary layer and is close to the blade root section of the blade body and is positioned outside the blade root baffle.
Furthermore, beam cap positioning grooves are formed in the windward side and the leeward side of the structure core mold, and the windward side beam cap and the leeward side beam cap are respectively positioned and installed through the corresponding beam cap positioning grooves.
Furthermore, the leeward core mould vacuum auxiliary layer and the windward core mould vacuum auxiliary layer are biaxial cloth with the angle of +/-45 degrees.
Further, the web is of an I-shaped single-web structure.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
1. the utility model discloses a blade manufacturing method is simple, key component is prefabricated in advance, has practiced thrift and has accounted for the mould time, is favorable to improving blade production preparation efficiency, has reduced blade production manufacturing cost, has avoidd and has filled the uncontrollable factor of shaping quality risk and manual operation, has avoided the risk of blade starving.
2. The utility model discloses a regard the web as the partly of structure mandrel, simplified and spread the layer technology, be favorable to RTM to close mould leading-in resin and the filling process implementation, through introducing RTM vacuum filling system, reduced the use of blade vacuum infusion auxiliary material simultaneously, practiced thrift blade material cost.
3. The utility model discloses an integrated into one piece's blade makes blade performance safe and reliable more, and the blade moves safelyr in the wind field, has reduced the cost of wind field fortune dimension, has improved economic benefits.
Drawings
Fig. 1 is an exploded view of the blade of the present invention.
Fig. 2 is a schematic structural view of the structural core mold of the present invention.
Fig. 3 is a cross-sectional view of a blade according to the present invention.
Fig. 4 is a position sectional view of the lightning protection system of the present invention.
Fig. 5 is a sectional view of the structure core mold of the present invention at the stop position.
Fig. 6 is a cross-sectional view of a blade root section of the present invention.
Fig. 7 is a partial enlarged view of the blade root section a of the present invention.
Fig. 8 is a schematic view of the blade of the present invention being poured into the mold.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1 to 8, the integrally formed wind turbine blade according to this embodiment includes a blade body, and further includes a structural core mold, the structural core mold is disposed inside the blade body, and includes a web 401, front and rear edge reinforcing rib plates 402, a leeward core mold vacuum auxiliary layer 404, a windward core mold vacuum auxiliary layer 405, a blade root baffle 406, and a blade root support reinforcing rib plate 407, the web 401 is an I-shaped single web 401 structure, a plurality of fixing slots (not shown) for mounting the front and rear edge reinforcing rib plates 402 are formed at the front and rear edge sides of the web 401, the front and rear edge reinforcing rib plates 402 are disposed in the corresponding fixing slots, and are respectively fixed with the web 401 by adhesive and are manually pasted with glass fiber cloth, the leeward surfaces of the front and rear edge reinforcing rib plates 402 are provided with the leeward core mold vacuum auxiliary layer 404 (i.e., a biaxial cloth of ± 45 degrees), the windward surfaces of the front and rear edge reinforcing rib plates 402 are provided with the windward core mold vacuum auxiliary layer 405 (i., the blade root baffle 406 is arranged between the windward core mold vacuum auxiliary layer 405 and the leeward core mold vacuum auxiliary layer 404 and is close to the blade root section of the blade body, and the blade root supporting reinforcing rib plate 407 is arranged between the windward core mold vacuum auxiliary layer 405 and the leeward core mold vacuum auxiliary layer 404 and is close to the blade root section of the blade body and is positioned outside the blade root baffle 406; the blade body and the structural core mold form an initial blade to be cast, the blade root section of the initial blade is sealed 10, and vacuum casting is carried out in a RTM vacuum casting system in the mold 5, so that the integrally formed blade is obtained.
Further, the windward side and the leeward side of the structural core mold are both formed with a spar cap positioning groove 408, and the windward spar cap (not shown in the figure) and the leeward spar cap (not shown in the figure) are respectively positioned and installed through the corresponding spar cap positioning grooves 408.
The manufacturing method of the integrally formed wind driven generator blade according to the embodiment comprises the following steps,
1) prefabricated web 401 and component parts of the blade body: the outer skin 101 of the windward side, the outer skin 201 of the leeward side, the inner skin of the windward side (not shown), the inner skin of the leeward side (not shown), the trailing edge beam 102 of the windward side, the trailing edge beam 202 of the leeward side, the cap of the windward side, the cap of the leeward side, the girder 104 of the windward side, the girder 204 of the leeward side, the core 105 of the windward side shell, the core 205 of the leeward side shell, the thickening layer 106 of the windward side blade root and the thickening layer 206 of the leeward side blade root;
2) manufacturing a structural core mold; placing a prefabricated web 401 on a positioning assembly tool according to the windward side and the leeward side, positioning the web 401 at the positions where the windward main beam 104 and the leeward main beam 204 are installed in advance, processing a plurality of fixing grooves for installing front and rear edge reinforcing rib plates 402 on the front and rear edge sides, arranging the front and rear edge reinforcing rib plates 402 in the corresponding fixing grooves, respectively fixing the front and rear edge reinforcing rib plates with the web 401 by gluing, then manually pasting glass fiber cloth for reinforcement, manually pasting a layer of +/-45-degree biaxial cloth on the leeward side after the fixing is finished to form a leeward side core mold vacuum auxiliary layer 404, detecting whether the molded surface meets the requirements, carrying out hole sealing and repairing after the molded surface meets the requirements, pouring a layer of biaxial cloth for reinforcement, placing the molded surface to be cured under the proper temperature condition, installing a lightning protection system 9, and then completing the manufacture of the windward side core mold vacuum auxiliary layer 405 according to the manufacture method of the leeward side core mold vacuum auxiliary layer 404, after the solidification is finished, mounting a blade root baffle 406 of the structural core mold and a blade root supporting reinforcing rib plate 407 of the structural core mold, and then performing hole sealing reinforcement treatment on the front edge, the rear edge and the blade tip of the structural core mold;
3) laying a leeward outer skin 201, then placing a leeward main beam 204 according to a positioning position on a web 401, then placing a leeward shell core material 205, laying a leeward rear edge beam 202 and a leeward root thickening layer 206, and finally finishing the laying of the leeward outer skin;
4) aligning a leeward side beam cap positioning groove 408 on a structural core mould to a leeward side beam cap for clamping placement, firstly laying a windward side inner skin on the windward side of the structural core mould, installing a windward side blade root thickening layer 106, then placing a windward side beam cap in the beam cap positioning groove 408 on the windward side of the structural core mould, ensuring that the windward side beam cap is fixedly clamped in the beam cap positioning groove 408, placing a rear edge die assembly PVC 3 in a rear edge cavity, adjusting a rear edge die assembly gap, facilitating the placement of a windward side rear edge beam 105, then laying a windward side rear edge beam 102 and a windward side shell core 105, placing a blade tip lightning arrester (not shown in the figure) and connecting with a lightning conductor in a web 401, and laying a windward side outer skin 101 to obtain an initial blade to be poured and molded;
5) as shown in fig. 7 and 8, the blade root section of the initial blade is sealed 10, the sealing systems 6 are designed at the front edge and the rear edge of the mold 5 matched with the blade for sealing, the mold is closed, and the filling system 7 and the air exhaust system 8 on the mold 5 are combined to form a RTM vacuum filling system, so that vacuum filling is completed, so that the integrally formed blade is obtained, and then the procedures of cutting, punching, post-processing and painting are performed on the blade root.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. An integrally formed wind turbine blade includes a blade body; the method is characterized in that: the structure core mould is arranged in the blade body and comprises a web plate, a front edge reinforcing rib plate, a rear edge reinforcing rib plate, a leeward core mould vacuum auxiliary layer and a windward core mould vacuum auxiliary layer, wherein a plurality of fixing grooves for mounting the front edge reinforcing rib plate and the rear edge reinforcing rib plate are formed on the front edge side and the rear edge side of the web plate, the front edge reinforcing rib plate and the rear edge reinforcing rib plate are arranged in the corresponding fixing grooves and are respectively fixed with the web plate through viscose glue and are used for manually pasting glass fiber cloth, the leeward surfaces of the front edge reinforcing rib plate and the rear edge reinforcing rib plate are provided with the leeward core mould vacuum auxiliary layer, and the windward surfaces of the front edge reinforcing rib plate and the rear edge reinforcing; and the blade body and the structural core mold form an initial blade to be cast, the blade root section of the initial blade is sealed, and the blade is cast in a RTM vacuum casting system in the mold in a vacuum manner to obtain the integrally formed blade.
2. An integrally formed wind turbine blade according to claim 1 wherein: the structure core mould further comprises a blade root baffle and a blade root supporting reinforcing rib plate, the blade root baffle is arranged between the windward core mould vacuum auxiliary layer and the leeward core mould vacuum auxiliary layer and is close to the blade root section of the blade body, the blade root supporting reinforcing rib plate is arranged between the windward core mould vacuum auxiliary layer and the leeward core mould vacuum auxiliary layer and is close to the blade root section of the blade body and is positioned outside the blade root baffle.
3. An integrally formed wind turbine blade according to claim 1 wherein: the structure core mould is characterized in that beam cap positioning grooves are formed in the windward side and the leeward side of the structure core mould, and the windward side beam cap and the leeward side beam cap are positioned and installed through the corresponding beam cap positioning grooves respectively.
4. An integrally formed wind turbine blade according to claim 1 wherein: the leeward core mould vacuum auxiliary layer and the windward core mould vacuum auxiliary layer are biaxial cloth with the angle of +/-45 degrees.
5. An integrally formed wind turbine blade according to claim 1 wherein: the web plate is of an I-shaped single-web plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807626.8U CN211230696U (en) | 2019-10-25 | 2019-10-25 | Integrally formed wind driven generator blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807626.8U CN211230696U (en) | 2019-10-25 | 2019-10-25 | Integrally formed wind driven generator blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230696U true CN211230696U (en) | 2020-08-11 |
Family
ID=71932458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921807626.8U Withdrawn - After Issue CN211230696U (en) | 2019-10-25 | 2019-10-25 | Integrally formed wind driven generator blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725775A (en) * | 2019-10-25 | 2020-01-24 | 明阳智慧能源集团股份公司 | Integrally-formed wind driven generator blade and manufacturing method thereof |
| CN113454334A (en) * | 2021-05-12 | 2021-09-28 | 远景能源有限公司 | Fan blade with reinforcing strips and manufacturing method thereof |
-
2019
- 2019-10-25 CN CN201921807626.8U patent/CN211230696U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725775A (en) * | 2019-10-25 | 2020-01-24 | 明阳智慧能源集团股份公司 | Integrally-formed wind driven generator blade and manufacturing method thereof |
| CN110725775B (en) * | 2019-10-25 | 2023-11-28 | 明阳智慧能源集团股份公司 | Integrally formed wind driven generator blade and manufacturing method thereof |
| CN113454334A (en) * | 2021-05-12 | 2021-09-28 | 远景能源有限公司 | Fan blade with reinforcing strips and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200811 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200811 Effective date of abandoning: 20231128 |