CN112360681A - Wind power blade and production process - Google Patents
Wind power blade and production process Download PDFInfo
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- CN112360681A CN112360681A CN202011186545.8A CN202011186545A CN112360681A CN 112360681 A CN112360681 A CN 112360681A CN 202011186545 A CN202011186545 A CN 202011186545A CN 112360681 A CN112360681 A CN 112360681A
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- blade
- edge bonding
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000011162 core material Substances 0.000 claims abstract description 25
- 239000003365 glass fiber Substances 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 27
- 229910052782 aluminium Inorganic materials 0.000 claims description 27
- 239000004744 fabric Substances 0.000 claims description 27
- 239000004593 Epoxy Substances 0.000 claims description 18
- 229920006332 epoxy adhesive Polymers 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000012744 reinforcing agent Substances 0.000 claims description 4
- 239000007767 bonding agent Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 210000001331 nose Anatomy 0.000 claims 4
- 210000003128 head Anatomy 0.000 claims 3
- 238000011161 development Methods 0.000 abstract description 5
- 230000010412 perfusion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- -1 technology Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
- B29D99/0028—Producing blades or the like, e.g. blades for turbines, propellers, or wings hollow blades
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind power blade and a production process thereof, belonging to the technical field of wind power blades. According to the wind power blade and the production process, the produced wind power blade has the characteristics of high wind catching efficiency, excellent unit load matching performance and the like, the blade is designed by full glass fiber, the 92-hole embedded blade root flange is adopted, the main force bearing part adopts high-modulus glass fiber, the rear edge adopts a sandwich structure with a core material laid with UD up and down, the reliability of the structure is improved, the development requirement of a low-wind-speed wind power plant can be met, and the wind power blade has a wide market prospect.
Description
Technical Field
The invention relates to the technical field of wind power blades, in particular to a wind power blade and a production process thereof.
Background
At present, the fan blade market in China forms diversified main investment forms of foreign enterprises, civil enterprises, research institutions, marketing companies and the like. The foreign enterprises mainly comprise GE, LM, GAMESA, VESSTAT and the like, and the domestic enterprises are represented by new materials, medium materials, technology, medium voyage and medium-complex people in the era.
The blade is an industry with high certainty, large market capacity and clear profit model in wind power parts. With the relief of the situation of supply and demand tension, the wind power blade industry will also be changed from a group male mixed battle to several strong battles, and the wind power blade industry in China is undergoing an industrial shuffling and integration. With the expansion of the market scale of the wind power blade, the cost and the selling price are reduced, but the cost reduction speed of an enterprise with the advantages of scale, technology and cost exceeds the selling price reduction speed, and the profit exceeds the average level. Future industry competitive formats require manufacturers to scale up, reduce costs, and retain certain technical advantages.
When the wind power blade produced at present is used, the wind catching efficiency is underground, the load matching performance of a unit is poor, and the development requirement of a low-wind-speed wind power plant cannot be met, so that the wind power blade produced by a new production process is urgently needed to solve the defects.
Disclosure of Invention
The invention aims to provide a wind power blade and a production process, the produced wind power blade has the characteristics of high wind catching efficiency, excellent unit load matching performance and the like, the blade is designed by full glass fiber, a 92-hole embedded blade root flange is adopted, a main force bearing part adopts high-modulus glass fiber, and a core structure with a core material laid up from top to bottom is adopted at the rear edge, so that the reliability of the structure is improved, the development requirement of a low-wind-speed wind power plant can be met, the wind power blade has a wide market prospect, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: wind-powered electricity generation blade, including girder cap, leading edge bonding part and trailing edge bonding part, the front end of girder cap is provided with leading edge bonding part, the rear end of girder cap is provided with trailing edge bonding part, the pre-buried hole that is used for installing the blade root flange that has evenly distributed of leading edge bonding part's front end, the blade root flange is connected with the blade root baffle through resin putty and baffle reinforcer, the manhole has been seted up to the middle-end of blade root baffle, still be provided with deep floor on the blade root baffle, deep floor hoop distribution is in the periphery of manhole, the manhole passes through the manhole cover and seals, install the handle through the bolt on the manhole cover, leading edge web and the trailing edge web that are used for supporting the girder cap are still installed to the inner wall of girder cap, leading edge web and trailing edge web parallel.
Furthermore, the front edge bonding part comprises a core material, an inner-layer skin laying layer and an outer-layer skin laying layer, the outer-layer skin laying layer is located on the periphery of the inner-layer skin laying layer, the core material is filled between the inner-layer skin laying layer and the outer-layer skin laying layer, and the front end of the inner-layer skin laying layer is bonded through epoxy bonding glue.
Furthermore, the trailing edge bonding part comprises a core material, an inner skin layer, an outer skin layer and a trailing edge UD, wherein the trailing edge UD is connected with the core material, the core material and the trailing edge UD are surrounded by the inner skin layer and the outer skin layer, and the rear end of the inner skin layer is bonded with the double-shaft cloth through epoxy bonding glue.
Furthermore, web flanges are arranged at two ends of the front edge web and the rear edge web, the web flanges are adhered to the inner wall of the main beam cap through epoxy adhesive glue, and the epoxy adhesive glue is blocked through a glue blocking edge made of biaxial cloth.
Furthermore, a counterweight box is arranged on the inner side of the rear edge bonding part, and the periphery of the counterweight box adopts 808g/m with the width of 100mm2The double-shaft cloth is covered and reinforced, the rear edge bonding part is also provided with a glass fiber pipe, and the glass fiber pipe is bonded on the rear edge bonding part by epoxy bonding glue.
Further, be provided with the aluminum stranded conductor on the trailing edge web, the aluminum stranded conductor supports through cable junction support and is connected with the line nose, and the line nose is connected on the hexagonal head bolt, and the hexagonal head bolt is installed on the aluminium post, and the aluminium post still is embedded to have the arrester, and the arrester passes through epoxy adhesive to bond on trailing edge bonding part and adopts sealed glue sealed.
Furthermore, the cable connecting support is bonded on the rear edge bonding component through bonding glue, the periphery of the cable connecting support is provided with double-shaft cloth, the double-shaft cloth covers the lightning protection cable, and the lightning protection cable is placed on the cable connecting support through thickening resin.
According to another aspect of the invention, a production process of a wind power blade is provided, which comprises the following steps:
s1: the front end of the girder cap is connected with a front edge bonding component, the rear end of the girder cap is connected with a rear edge bonding component, 92 holes are embedded in the front end of the front edge bonding component, and a blade root flange is installed through the embedded holes;
s2: arranging a manhole at the middle end of a blade root baffle by adopting a tapping device, installing reinforcing rib plates which are distributed annularly on the blade root baffle and are positioned at the periphery of the manhole, and installing the processed blade root baffle on a blade root flange through resin putty and a baffle reinforcing agent;
s3: arranging a mounting hole on the manhole cover by adopting a hole drilling device, mounting a handle at the mounting hole by adopting a bolt, and sealing the processed manhole cover on the manhole;
s4: the front edge web plate and the rear edge web plate are both adhered to the inner wall of the main beam cap by adopting epoxy adhesive glue, and meanwhile, the peripheries of the epoxy adhesive glue are blocked by adopting glue blocking edges made of biaxial cloth;
s5: the counterweight box is bonded on the rear edge bonding part through epoxy bonding glue, and the periphery of the counterweight box adopts 808g/m with the width of 100mm2The biaxial cloth is used for covering and reinforcing, and meanwhile, the glass fiber pipe is bonded on the rear edge bonding part by adopting epoxy bonding glue;
s6: the cable connecting support is bonded on the inner wall of the rear edge bonding part through bonding glue, double-shaft cloth covering the lightning protection cable is laid on the cable connecting support, after the cable connecting support is installed, one end of an aluminum stranded wire is installed on a rear edge web, the other end of the aluminum stranded wire supports a rear mounting wire nose through the cable connecting support, the mounted wire nose is connected to a hexagon head bolt embedded on an aluminum column, a lightning receptor is embedded in the aluminum column, and the lightning receptor is bonded on the rear edge bonding part through epoxy bonding agent and sealed by adopting sealing glue.
Compared with the prior art, the invention has the beneficial effects that:
according to the wind power blade and the production process, the produced wind power blade has the characteristics of high wind catching efficiency, excellent unit load matching performance and the like, the blade is designed by full glass fiber, the 92-hole embedded blade root flange is adopted, the main force bearing part adopts high-modulus glass fiber, the rear edge adopts a sandwich structure with a core material laid with UD up and down, the reliability of the structure is improved, the development requirement of a low-wind-speed wind power plant can be met, and the wind power blade has a wide market prospect.
Drawings
FIG. 1 is a schematic cross-sectional view of a wind blade of the present invention;
FIG. 2 is a schematic view of a wind blade of the present invention;
FIG. 3 is a schematic view of a wind turbine blade of the present invention looking from the root to the tip;
FIG. 4 is a cross-sectional view taken along line A-A of the present invention;
FIG. 5 is a schematic view of a root baffle of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of the present invention;
FIG. 7 is a schematic view of a manhole cover of the present invention;
FIG. 8 is a side view of a manhole cover of the present invention;
FIG. 9 is an enlarged partial cross-sectional view of the leading edge bonding component of the present invention;
FIG. 10 is an enlarged partial cross-sectional view of a trailing edge bond component of the present invention;
FIG. 11 is an enlarged partial cross-sectional view of a trailing edge bond part of the present invention;
FIG. 12 is an enlarged view of the leading edge web of the present invention bonded to the spar cap;
FIG. 13 is a schematic view of a weight cartridge disposed on a trailing edge bonding part of the present invention;
FIG. 14 is a cross-sectional view taken at C-C of the present invention;
FIG. 15 is a cross-sectional view of a lightning protection system disposed on the trailing edge bond component of the present invention;
FIG. 16 is an enlarged view of a portion of the lightning receptor embedded in the aluminum post of the present invention;
FIG. 17 is a cross-sectional view taken at D-D of the present invention.
In the figure: 1. a spar cap; 2. a leading edge bonding member; 21. a core material; 22. laying an inner skin layer; 23. spreading the outer skin; 3. a trailing edge bonding member; 31. a trailing edge UD; 4. a blade root flange; 5. a blade root baffle; 51. a manhole; 52. reinforcing rib plates; 6. a manhole cover; 61. a handle; 7. a leading edge web; 8. a trailing edge web; 81. aluminum stranded wires; 9. flanging the web plate; 10. a weight box; 11. a glass fiber tube; 12. a cable connection bracket; 13. a wire nose; 14. a hexagonal head bolt; 15. an aluminum column; 16. a lightning receptor; 17. a lightning protection cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the wind power blade comprises a girder cap 1, a leading edge bonding part 2 and a trailing edge bonding part 3, wherein the leading edge bonding part 2 is arranged at the front end of the girder cap 1, the trailing edge bonding part 3 is arranged at the rear end of the girder cap 1, the girder cap 1 is made of high-modulus glass fiber, 55 layers are counted, the trailing edge beam is made of HUD1250 high-modulus glass fiber, the trailing edge UD31 is symmetrically laid on the upper side and the lower side of a core material 21, 14 layers are laid under the core material 21, 14 layers are laid on the core material 21, and when the UD perfusion bag is integrally formed and perfused, the defects of air whitening and poor impregnation of the UD perfusion bag are easily caused, before trial production, a trailing edge typical surface perfusion test is carried out according to a design structure laying layer and the specification of the core material 21, so as to ensure that the perfusion quality problem is not caused, pre-buried holes which are uniformly distributed and used for installing, the middle end of the blade root baffle 5 is provided with a manhole 51, the blade root baffle 5 is also provided with a reinforcing rib plate 52, the reinforcing rib plate 52 is annularly distributed on the periphery of the manhole 51, the manhole 51 is sealed by a manhole cover 6, the manhole cover 6 is provided with a handle 61 by a bolt, the manhole cover 6 is convenient to operate through the handle 61, the embedded parts of the blade root flange 4 such as the embedded thread sleeves and the UD wedge-shaped strips, the blade root cloth layers are all designed and implemented according to the original Chinese science SW64 design, the sealing, the yarn winding and the installation of the embedded thread sleeves of the blade root flange 4, the matching design of the embedded flange tool of the blade root flange 4, the mode that the HUD1250 unidirectional cloth is fully paved on the reinforcing cloth layer part of the blade root flange 4 is continuously searched, can change smoothly and realize blade root embedded structure, leading edge web 7 and trailing edge web 8 that are used for supporting main beam cap 1 are still installed to the inner wall of main beam cap 1, and leading edge web 7 and trailing edge web 8 parallel arrangement can carry out effectual support to main beam cap 1 through leading edge web 7 and trailing edge web 8.
Referring to fig. 9, the leading edge bonding part 2 comprises a core material 21, an inner skin layer 22 and an outer skin layer 23, the outer skin layer 23 is located on the periphery of the inner skin layer 22, the core material 21 is filled between the inner skin layer 22 and the outer skin layer 23, and the front end of the inner skin layer 22 is bonded through epoxy bonding glue.
Referring to fig. 10 to 11, trailing edge bonding part 3 includes core material 21, inner skin lay-ups 22, outer skin lay-ups 23, and trailing edge UD31, trailing edge UD31 is connected to core material 21, core material 21 and trailing edge UD31 are surrounded by inner skin lay-ups 22 and outer skin lay-ups 23, and a biaxial cloth is bonded to the trailing end of inner skin lay-ups 22 by epoxy bonding glue.
Referring to fig. 12, web flanges 9 are arranged at two ends of the front edge web 7 and the rear edge web 8, the web flanges 9 are adhered to the inner wall of the girder cap 1 through epoxy adhesive glue, and the epoxy adhesive glue is blocked through a glue blocking edge made of biaxial cloth.
Referring to fig. 13 to 14, a weight box 10 is installed inside the rear edge bonding member 3, and 808g/m with a width of 100mm is used around the weight box 102The double-shaft cloth is covered and reinforced, the glass fiber pipe 11 is further arranged on the rear edge bonding part 3, and the glass fiber pipe 11 is bonded on the rear edge bonding part 3 through epoxy bonding glue.
Referring to fig. 15-17, the rear edge web 8 is provided with an aluminum stranded wire 81, the aluminum stranded wire 81 is supported and connected with a wire nose 13 through a cable connecting support 12, the wire nose 13 is connected with a hexagon head bolt 14, the hexagon head bolt 14 is installed on an aluminum column 15, the aluminum column 15 is further embedded with a lightning receptor 16, the lightning receptor 16 is bonded on the rear edge bonding part 3 through an epoxy adhesive and sealed by adopting a sealant, the cable connecting support 12 is bonded on the rear edge bonding part 3 through an adhesive, the periphery of the cable connecting support 12 is provided with a double-shaft cloth, the double-shaft cloth covers the lightning cable 17, and the lightning cable 17 is placed on the cable connecting support 12 through a thickening resin.
The length of the blade of the wind power blade is 64m, the diameter of the impeller is 128m, the mass of the blade is 13950kg, the applicable wind condition is IEC S type, the designed wind energy capture rate reaches 0.485, and the wind power blade has the characteristics of high wind capture efficiency, excellent unit load matching performance and the like.
In order to better show the production process of the wind power blade, the embodiment now provides a production method of the wind power blade, which includes the following steps:
s1: the front end of the main girder cap 1 is connected with a front edge bonding part 2, the rear end of the main girder cap 1 is connected with a rear edge bonding part 3, 92 holes are pre-buried in the front end of the front edge bonding part 2, and a blade root flange 4 is installed through the pre-buried holes;
s2: arranging a manhole 51 at the middle end of the blade root baffle 5 by adopting a hole drilling device, installing reinforcing rib plates 52 which are annularly distributed on the blade root baffle 5 and are positioned at the periphery of the manhole 51, and installing the processed blade root baffle 5 on a blade root flange 4 through resin putty and a baffle reinforcing agent;
s3: arranging a mounting hole on the manhole cover 6 by using a hole-opening device, mounting the handle 61 at the mounting hole by using a bolt, and sealing the processed manhole cover 6 on the manhole 51;
s4: the front edge web 7 and the rear edge web 8 are both adhered to the inner wall of the main beam cap 1 by adopting epoxy adhesive glue, and the periphery of the epoxy adhesive glue is simultaneously blocked by adopting glue blocking edges made of biaxial cloth;
s5: the weight box 10 is bonded on the rear edge bonding part 3 through epoxy bonding glue, and the circumference of the weight box 10 adopts 808g/m with the width of 100mm2The biaxial cloth is used for covering and reinforcing, and meanwhile, the glass fiber pipe 11 is bonded on the rear edge bonding part 3 by adopting epoxy bonding glue;
s6: the inner wall of the rear edge bonding part 3 is bonded with a cable connecting support 12 through bonding glue, double-shaft cloth covering a lightning protection cable 17 is laid on the cable connecting support 12, after the cable connecting support 12 is installed, one end of an aluminum stranded wire 81 is installed on a rear edge web 8, the other end of the aluminum stranded wire 81 is supported by the cable connecting support 12 and then is provided with a wire nose 13, the installed wire nose 13 is connected to a hexagon head bolt 14 embedded on an aluminum column 15, a lightning receptor 16 is embedded in the aluminum column 15, and the lightning receptor 16 is bonded on the rear edge bonding part 3 through epoxy bonding agent and sealed by adopting sealing glue.
In conclusion, the wind power blade and the production process have the advantages that the produced wind power blade has the characteristics of high wind catching efficiency, excellent unit load matching performance and the like, the blade is designed by full glass fiber, the 92-hole embedded blade root flange 4 is adopted, the main force bearing part adopts high-modulus glass fiber, the rear edge adopts a sandwich structure in which a core material 21 is laid up and down, the reliability of the structure is improved, the development requirement of a low-wind-speed wind power plant can be met, and the wind power blade has a wide market prospect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The wind power blade comprises a main beam cap (1), a front edge bonding part (2) and a rear edge bonding part (3), and is characterized in that the front end of the main beam cap (1) is provided with the front edge bonding part (2), the rear end of the main beam cap (1) is provided with the rear edge bonding part (3), uniformly distributed pre-buried holes for installing a blade root flange (4) are pre-buried in the front end of the front edge bonding part (2), the blade root flange (4) is connected with a blade root baffle (5) through resin putty and a baffle reinforcing agent, a manhole (51) is arranged at the middle end of the blade root baffle (5), reinforcing rib plates (52) are further arranged on the blade root baffle (5), the reinforcing rib plates (52) are circumferentially distributed on the periphery of the manhole (51), the manhole (51) is sealed through a manhole cover (6), and a handle (61) is installed on the manhole cover (6) through bolts, the inner wall of the main beam cap (1) is further provided with a front edge web plate (7) and a rear edge web plate (8) which are used for supporting the main beam cap (1), and the front edge web plate (7) and the rear edge web plate (8) are arranged in parallel.
2. The wind power blade according to claim 1, characterized in that the leading edge bonding part (2) comprises a core material (21), an inner skin layer (22) and an outer skin layer (23), the outer skin layer (23) is positioned at the periphery of the inner skin layer (22), the core material (21) is filled between the inner skin layer (22) and the outer skin layer (23), and the front end of the inner skin layer (22) is bonded through epoxy bonding glue.
3. Wind blade according to claim 1, characterised in that the trailing edge bonding part (3) comprises a core material (21), an inner skin lay-up (22), an outer skin lay-up (23) and a trailing edge UD (31), the trailing edge UD (31) being connected to the core material (21), the core material (21) and the trailing edge UD (31) being surrounded by the inner skin lay-up (22) and the outer skin lay-up (23), the rear end of the inner skin lay-up (22) being adhesively bonded with a biaxial cloth by means of an epoxy bond.
4. The wind power blade as claimed in claim 1, wherein web flanges (9) are arranged at two ends of the front edge web (7) and the rear edge web (8), the web flanges (9) are adhered to the inner wall of the main beam cap (1) through epoxy adhesive glue, and the epoxy adhesive glue is blocked through a rubber blocking edge made of biaxial cloth.
5. The wind power blade as claimed in claim 1, wherein a counterweight box (10) is installed on the inner side of the rear edge bonding part (3), and the periphery of the counterweight box (10) adopts 808g/m with the width of 100mm2The double-shaft cloth is covered and reinforced, the glass fiber pipe (11) is further arranged on the rear edge bonding part (3), and the glass fiber pipe (11) is bonded on the rear edge bonding part (3) through epoxy bonding glue.
6. The wind power blade as claimed in claim 1, wherein the rear edge web (8) is provided with aluminum strands (81), the aluminum strands (81) are supported and connected with wire noses (13) through cable connecting supports (12), the wire noses (13) are connected to hexagon head bolts (14), the hexagon head bolts (14) are installed on aluminum columns (15), lightning receptors (16) are embedded in the aluminum columns (15), and the lightning receptors (16) are bonded to the rear edge bonding part (3) through epoxy adhesives and sealed through sealants.
7. The wind power blade according to claim 6, wherein the cable connecting bracket (12) is bonded to the trailing edge bonding member (3) by an adhesive, a biaxial cloth is provided on the periphery of the cable connecting bracket (12), the biaxial cloth covers the lightning protection cable (17), and the lightning protection cable (17) is placed on the cable connecting bracket (12) by a thickening resin.
8. A production process of a wind power blade according to any one of claims 1 to 7, characterized by comprising the following steps:
and (3) SI: the front end of the main beam cap (1) is connected with a front edge bonding part (2), the rear end of the main beam cap (1) is connected with a rear edge bonding part (3), 92 holes are pre-buried in the front end of the front edge bonding part (2), and a blade root flange (4) is installed through the pre-buried holes;
s2: arranging a manhole (51) at the middle end of a blade root baffle (5) by adopting a hole drilling device, installing reinforcing rib plates (52) which are distributed annularly on the blade root baffle (5) and are positioned at the periphery of the manhole (51), and installing the processed blade root baffle (5) on a blade root flange (4) through resin putty and a baffle reinforcing agent;
s3: arranging a mounting hole on the manhole cover (6) by adopting a hole-opening device, mounting the handle (61) at the mounting hole by adopting a bolt, and sealing the processed manhole cover (6) on the manhole (51);
s4: the front edge web (7) and the rear edge web (8) are both adhered to the inner wall of the main beam cap (1) by adopting epoxy adhesive glue, and the peripheries of the epoxy adhesive glue are simultaneously blocked by adopting rubber blocking edges made of biaxial cloth;
s5: the counterweight box (10) is bonded on the rear edge bonding part (3) through epoxy bonding glue, and the periphery of the counterweight box (10) adopts 808g/m with the width of 100mm2The biaxial cloth is used for covering and reinforcing, and meanwhile, the glass fiber pipe (11) is bonded on the rear edge bonding part (3) by adopting epoxy bonding glue;
s6: the cable connecting support (12) is bonded on the inner wall of the rear edge bonding part (3) through bonding glue, double-shaft cloth covering a lightning-protection cable (17) is laid on the cable connecting support (12), after the cable connecting support (12) is installed, one end of an aluminum stranded wire (81) is installed on a rear edge web plate (8), the other end of the aluminum stranded wire (81) supports a rear installation wire nose (13) through the cable connecting support (12), the installed wire nose (13) is connected onto a hexagonal head bolt (14) embedded on an aluminum column (15), a lightning receptor (16) is embedded into the aluminum column (15), and the lightning receptor (16) is bonded on the rear edge bonding part (3) through epoxy bonding agent and sealed by adopting the sealing glue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186545.8A CN112360681A (en) | 2020-10-29 | 2020-10-29 | Wind power blade and production process |
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| CN202011186545.8A CN112360681A (en) | 2020-10-29 | 2020-10-29 | Wind power blade and production process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977867A (en) * | 2023-03-20 | 2023-04-18 | 新创碳谷集团有限公司 | Sectional type blade module structure and forming method thereof |
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