CN117565448A - Wind turbine blade manufacturing method and wind turbine blade - Google Patents
Wind turbine blade manufacturing method and wind turbine blade Download PDFInfo
- Publication number
- CN117565448A CN117565448A CN202311595197.3A CN202311595197A CN117565448A CN 117565448 A CN117565448 A CN 117565448A CN 202311595197 A CN202311595197 A CN 202311595197A CN 117565448 A CN117565448 A CN 117565448A
- Authority
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- China
- Prior art keywords
- shell
- surface shell
- wind power
- cushion block
- trailing edge
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000011162 core material Substances 0.000 claims abstract description 52
- 239000003292 glue Substances 0.000 claims abstract description 26
- 238000005187 foaming Methods 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 238000009755 vacuum infusion Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 239000003365 glass fiber Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 229920001821 foam rubber Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 15
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 239000004793 Polystyrene Substances 0.000 description 29
- 239000000853 adhesive Substances 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 11
- 230000005611 electricity Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 has good stability Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power blade manufacturing, and discloses a wind power blade manufacturing method and a wind power blade, wherein the wind power blade manufacturing method comprises the following steps: fixing a trailing edge cushion block die on the PS surface shell or the SS surface shell, and paving demolding cloth; spraying foaming glue on the rear edge area until the cavity of the bonding area is full; the PS surface shell and the SS surface shell are subjected to test die assembly, and the foaming glue is expanded and cured; taking out the rear edge cushion block mould after demoulding and taking out the core material cushion block after solidification; paving a core material cushion block at the rear edge of the PS-side shell or the SS-side shell mould to obtain a rear edge flange paving layer, and carrying out vacuum infusion molding to obtain a rear edge flange; performing shell layering in a shell mold, and bonding the trailing edge flange with any one of the PS-side shell and the SS-side shell mold; and bonding the rear edges of the PS-surface shell and the SS-surface shell to obtain the wind power blade. The core material cushion block has high following degree, and is beneficial to accelerating the blade; the bonding angle cavity is more conformal, and quality risk is reduced.
Description
Technical Field
The invention relates to the technical field of wind power blade manufacturing, in particular to a wind power blade manufacturing method and a wind power blade.
Background
The wind power blade comprises a PS surface and an SS surface, the PS surface shell and the SS surface shell are bonded to form a complete wind power blade shell, and a cavity is formed at the rear edge of the wind power blade, so that a core material is required to be filled in the cavity at the rear edge of the wind power blade.
At present, the pitch circle of the blunt trailing edge blade is bigger and bigger, and the cavity between the PS surface and the SS surface is bigger, and the trailing edge core material cushion block has poorer shape following degree due to the complex trailing edge layering, which becomes a pain point problem in the industry and also becomes a key factor for preventing the blade from accelerating.
In addition, adhesive flanges for adhering and closing the molds are paved on the front edge and the rear edge of the PS-side shell and the SS-side shell, the front edge and the rear edge of the PS-side shell and the SS-side shell are adhered together through structural adhesive after the adhesive flanges are solidified and molded, and the wind power blade is obtained.
In the scheme, in the process of bonding the rear edge of the PS-surface shell and the rear edge of the SS-surface shell, the die closing gap of the rear edge of the shell is unstable, so that the problem of poor shape following degree of a rear edge core material cushion block is further aggravated, and the quality problems such as rear edge cracking and the like of the wind power blade occur in the use process.
Disclosure of Invention
In view of the above, the invention provides a manufacturing method of a wind power blade and the wind power blade, which are used for solving the problems of unstable die closing gap between the rear edge of a PS-surface shell and the rear edge of an SS-surface shell of the wind power blade, poor follow-up degree of a rear edge core material and poor stress performance of the rear edge of the wind power blade.
In a first aspect, the present invention provides a method for manufacturing a wind power blade, comprising the steps of: fixing a trailing edge cushion block die on the PS surface shell or the SS surface shell, and paving demolding cloth in a trailing edge area of the corresponding shell; spraying foaming glue on the trailing edge area until the cavity of the bonding area is full; the PS surface shell and the SS surface shell are subjected to test die assembly, and the foaming glue is expanded and cured; taking out the trailing edge cushion block mould and the solidified foam rubber after demoulding to obtain a conformal core material cushion block; paving the core material cushion block at the rear edge of the PS surface shell or the SS surface shell mould to obtain a rear edge flange paving layer, and obtaining a rear edge flange through vacuum infusion molding; performing shell layering in a PS (polystyrene) shell or an SS shell mould, and bonding and combining the trailing edge flange with any shell layering in the PS shell and the SS shell mould to obtain a PS shell or an SS shell with the trailing edge flange; and bonding the rear edges of the PS-surface shell and the SS-surface shell to obtain the wind power blade.
The beneficial effects are that: by adopting the wind power blade manufacturing method provided by the invention, the foam adhesive is sprayed on the trailing edge area until the cavity of the bonding area is filled; the PS surface shell and the SS surface shell are subjected to test die assembly, and the foaming glue is expanded and cured; taking out the trailing edge cushion block mould and the solidified foam rubber after demoulding to obtain a core material cushion block with a follow-up shape, wherein the follow-up degree of the core material cushion block is high, which is beneficial to the acceleration of the blade; meanwhile, by adopting the manufacturing method of the wind power blade, the prefabricated part of the trailing edge flange is obtained firstly, and then the prefabricated part and the shell layering are molded together through a vacuum pouring process to obtain the PS-surface shell or the SS-surface shell with the trailing edge flange, so that the bonding angle cavity is more random, and the quality risk is reduced.
In an alternative embodiment, the trailing edge cushion block mold includes a blocking plate, and after the PS surface shell and the SS surface shell are subjected to test die, upper and lower edges of the blocking plate respectively abut against the PS surface shell and the SS surface shell.
The beneficial effects are that: through setting up the fender template, when PS face casing and SS face casing compound die, can prevent that the residual glue from getting into the blade inner chamber, play the effect that blocks the foaming glue.
In an alternative embodiment, the bonding area cavity is defined by the PS face housing, the SS face housing, and the baffle plate.
The beneficial effects are that: and the PS surface shell, the SS surface shell and the baffle template are surrounded to form a bonding area cavity, foaming glue is filled in the bonding area cavity, and after the foaming glue is cured and molded, the obtained core material cushion block has high shape following degree with the PS surface shell and the SS surface shell.
In an alternative embodiment, the forming the trailing edge flange by vacuum infusion includes the steps of: and paving a vacuum system on the rear flange paved layer after the paving is finished, pouring resin in vacuum until the resin completely infiltrates the paved layer, heating and solidifying, and demolding to obtain the rear flange.
The beneficial effects are that: through prefabricating the trailing edge flange earlier, with trailing edge flange and casing shop floor through vacuum infusion technology shaping jointly, compare in the scheme through the bonding of structural adhesive, can save the quantity of structural adhesive, avoid appearing quality defects such as fold and bubble, simultaneously, need not to wait for the curing time that bonding flange and casing bond, alleviateed wind-powered electricity generation blade's weight, promoted product quality and production efficiency.
In an alternative embodiment, the bonding combination of the trailing edge flange with any one of the PS side shell and the SS side shell mold comprises the steps of: and the trailing edge flange is bonded with any one of the PS-side shell and the SS-side shell and the trailing edge flange by adopting a vacuum lead-in molding process.
The beneficial effects are that: the shell and the rear flange are bonded by adopting a vacuum lead-in molding process, so that the bonding strength of the shell and the structural adhesive can be enhanced, and the quality of the wind power blade is improved.
In an alternative embodiment, the foam comprises polyvinyl chloride or polyurethane.
The beneficial effects are that: the polyvinyl chloride or polyurethane is a foaming material, has good stability, chemical resistance and mechanical property, has smaller compression deformability, is solidified and molded into a core material cushion block, can improve the strength of the wind power blade, and improves the stress performance of the wind power blade.
In an alternative embodiment, through holes are provided in the core pads.
The beneficial effects are that: because the core material cushion block has certain thickness, in order to guarantee that the shell cloth layer can obtain effectual pouring, set up the through-hole on the core material cushion block, can guarantee that the resin can ooze to the shell cloth layer from the through-hole down in the pouring process, just so avoided because the foaming glue is too thick to lead to the foaming glue to pour incomplete problem down the cloth layer, form a plurality of interconnect's columnar structure after the resin solidification in a plurality of through-holes of core material cushion block, can further strengthen wind-powered electricity generation blade's trailing edge intensity like this, promote wind-powered electricity generation blade's quality.
In an alternative embodiment, the step of laying the core material cushion block at the rear edge of the PS-face shell or SS-face shell mold to obtain a rear edge flange layer, and obtaining the rear edge flange through vacuum infusion molding includes the following steps: and paving the core material cushion block at the rear edge of the PS surface shell or the SS surface shell mould to obtain a rear edge flange paving layer, arranging auxiliary materials, pouring resin, and removing the auxiliary materials after the resin is solidified.
The beneficial effects are that: the arrangement can ensure the accurate resin pouring range, avoid the excessive resin pouring amount to increase the weight of the wind power blade and reduce the forming quality of the wind power blade.
In an alternative embodiment, a lower glass fiber cloth layer is laid on the trailing edge bonding area, the core cushion block is arranged on the lower glass fiber cloth layer, and an upper glass fiber cloth layer is laid on the core cushion block.
The beneficial effects are that: and a lower glass fiber cloth layer is paved below the core material cushion block, and an upper glass fiber cloth layer is paved above the core material cushion block, so that the strength of the rear edge of the wind power blade is enhanced, and the stress performance of the rear edge of the wind power blade is improved.
A wind power blade is manufactured by the wind power blade manufacturing method according to any one of the technical schemes.
The beneficial effects are that: because the wind power blade is manufactured by adopting the wind power blade manufacturing method in the technical scheme, the trailing edge core material cushion block of the wind power blade has high shape following degree, which is beneficial to the acceleration of the blade; the die closing gap of the rear edge of the shell is stable, the following degree of the core material cushion block of the rear edge is further improved, the wind power blade has good stress performance in the use process, and the rear edge of the wind power blade has high strength and good quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for manufacturing a wind turbine blade according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating the exploded structure of the SS surface shell and the trailing edge core pad shown in fig. 1.
Reference numerals illustrate:
1. a trailing edge pad die; 2. an SS surface housing; 3. demolding cloth; 4. and a core material cushion block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of the present invention is described below with reference to fig. 1 and 2.
According to an embodiment of the present invention, in one aspect, there is provided a wind power blade manufacturing method including the steps of:
step S10, fixing a trailing edge cushion block die 1 on a PS surface shell or an SS surface shell 2, and paving demolding cloth 3 in a trailing edge area of the corresponding shell;
step S20, spraying foaming glue on the trailing edge area until the cavity of the bonding area is full;
step S30, performing test die assembly on the PS surface shell and the SS surface shell 2, and expanding and curing the foaming glue;
step S40, taking out the trailing edge cushion block mould 1 and the solidified foam rubber after demoulding to obtain a conformal core material cushion block 4;
step S50, paving the core material cushion block 4 at the rear edge of the die of the PS-side shell or the SS-side shell 2 to obtain a rear edge flange layer, and obtaining a rear edge flange through vacuum infusion molding;
step S60, performing shell layering in a PS-side shell or SS-side shell 2 die, and bonding and combining the trailing edge flange with any shell layering in the PS-side shell and SS-side shell 2 die to obtain a PS-side shell or SS-side shell 2 with the trailing edge flange;
and step S70, bonding the rear edges of the PS-surface shell and the SS-surface shell 2 to obtain the wind power blade.
By adopting the wind power blade manufacturing method provided by the invention, the foam adhesive is sprayed on the trailing edge area until the cavity of the bonding area is filled; the PS surface shell and the SS surface shell 2 are subjected to test die assembly, and the foaming glue is expanded and cured; taking out the trailing edge cushion block mould 1 and the solidified foam rubber after demoulding to obtain a core material cushion block 4 with a follow-up shape, wherein the follow-up shape of the core material cushion block 4 is high, which is beneficial to the acceleration of the blade; meanwhile, by adopting the manufacturing method of the wind power blade, the prefabricated part of the trailing edge flange is obtained firstly, and then the prefabricated part and the shell layering are molded together through a vacuum pouring process to obtain the PS-surface shell or the SS-surface shell 2 with the trailing edge flange, so that the bonding angle cavity is more random, and the quality risk is reduced.
In one embodiment, the trailing edge cushion block mold 1 includes a blocking plate, and after the PS surface shell and the SS surface shell 2 are subjected to test mold, the upper and lower edges of the blocking plate respectively abut against the PS surface shell and the SS surface shell 2.
Through setting up the fender template, when PS face casing and the compound die of SS face casing 2, can prevent that the residual glue from getting into the blade inner chamber, play the effect that blocks the foaming glue. Specifically, after filling the foaming glue, waiting for 2 to 4 hours to ensure that the foaming glue is fully expanded and solidified, and then removing the blocking template.
In one embodiment, the bonding area cavity is defined by the PS face housing, the SS face housing 2, and the baffle plate.
And a bonding area cavity is formed by surrounding the PS surface shell, the SS surface shell 2 and the baffle template, foaming glue is filled in the bonding area cavity, and after the foaming glue is cured and molded, the obtained core material cushion block 4 has high shape following degree with the PS surface shell and the SS surface shell 2.
In one embodiment, the forming the trailing edge flange by vacuum infusion includes the steps of: and paving a vacuum system on the rear flange paved layer after the paving is finished, pouring resin in vacuum until the resin completely infiltrates the paved layer, heating and solidifying, and demolding to obtain the rear flange.
Through prefabricating the trailing edge flange earlier, with trailing edge flange and casing shop floor through vacuum infusion technology shaping jointly, compare in the scheme through the bonding of structural adhesive, can save the quantity of structural adhesive, avoid appearing quality defects such as fold and bubble, simultaneously, need not to wait for the curing time that bonding flange and casing bond, alleviateed wind-powered electricity generation blade's weight, promoted product quality and production efficiency.
In one embodiment, the bonding combination of the trailing edge flange with any one of the PS-side shell and the SS-side shell 2 molds comprises the steps of: the trailing edge flange is bonded with any one of the PS-side shell and the SS-side shell 2 and the trailing edge flange by adopting a vacuum lead-in molding process.
The shell and the rear flange are bonded by adopting a vacuum lead-in molding process, so that the bonding strength of the shell and the structural adhesive can be enhanced, and the quality of the wind power blade is improved.
In one embodiment, the foamed glue comprises polyvinyl chloride or polyurethane.
The polyvinyl chloride or polyurethane is a foaming material, has good stability, chemical resistance and mechanical property, has smaller compression deformability, is solidified and molded into the core material cushion block 4, can improve the strength of the wind power blade, and improves the stress performance of the wind power blade.
In one embodiment, through holes are provided in the core pads 4.
Because the core material cushion block 4 has certain thickness, in order to guarantee that the shell cloth layer can obtain effectual pouring, set up the through-hole on the core material cushion block 4, can guarantee that the resin can ooze in the shell cloth layer from the through-hole down in the pouring process, just so avoided because the foaming glue is too thick to lead to the foaming glue to pour incomplete problem down the cloth layer, form a plurality of interconnect's columnar structure after the resin solidification in a plurality of through-holes of core material cushion block 4, can further strengthen wind-powered electricity generation blade's trailing edge intensity like this, promote wind-powered electricity generation blade's quality.
In one embodiment, the step of laying the core cushion block 4 on the rear edge of the die of the PS-face shell or the SS-face shell 2 to obtain a rear edge flange layer, and obtaining the rear edge flange through vacuum infusion molding comprises the following steps: and (3) paving the core material cushion block 4 at the rear edge of the PS surface shell or the SS surface shell 2 to obtain a rear edge flange paving layer, setting auxiliary materials, pouring resin, and removing the auxiliary materials after the resin is solidified.
The arrangement can ensure the accurate resin pouring range, avoid the excessive resin pouring amount to increase the weight of the wind power blade and reduce the forming quality of the wind power blade.
In one embodiment, a lower glass fiber cloth layer is laid on the rear edge bonding area, the core cushion block 4 is arranged on the lower glass fiber cloth layer, and an upper glass fiber cloth layer is laid on the core cushion block 4.
The lower glass fiber cloth layer is paved below the core material cushion block 4, and the upper glass fiber cloth layer is paved above the core material cushion block 4, so that the strength of the rear edge of the wind power blade is enhanced, and the stress performance of the rear edge of the wind power blade is improved.
According to an embodiment of the invention, on the other hand, there is also provided a wind power blade manufactured by the wind power blade manufacturing method according to any one of the technical schemes.
Because the wind power blade is manufactured by adopting the wind power blade manufacturing method in the technical scheme, the trailing edge core material cushion block 4 of the wind power blade has high shape following degree, which is beneficial to the acceleration of the blade; the die closing gap of the rear edge of the shell is stable, the following degree of the core material cushion block 4 of the rear edge is further improved, the stress performance of the wind power blade in the use process is good, and the rear edge of the wind power blade is high in strength and good in quality.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. The manufacturing method of the wind power blade is characterized by comprising the following steps of:
fixing a trailing edge cushion block die (1) on a PS surface shell or an SS surface shell (2), and paving demolding cloth (3) in a trailing edge area of the corresponding shell;
spraying foaming glue on the trailing edge area until the cavity of the bonding area is full;
the PS surface shell and the SS surface shell (2) are subjected to test die assembly, and the foaming glue is expanded and cured;
taking out the trailing edge cushion block mould (1) and the solidified foam rubber after demoulding to obtain a core material cushion block (4) with a following shape;
paving the core material cushion block (4) at the rear edge of the die of the PS surface shell or the SS surface shell (2) to obtain a rear edge flange paving layer, and obtaining a rear edge flange through vacuum infusion molding;
performing shell layering in a PS-side shell or SS-side shell (2) die, and bonding and combining the trailing edge flange with any shell layering in the PS-side shell and SS-side shell (2) die to obtain a PS-side shell or SS-side shell (2) with the trailing edge flange;
and bonding the rear edges of the PS surface shell and the SS surface shell (2) to obtain the wind power blade.
2. The method for manufacturing a wind power blade according to claim 1, wherein the trailing edge spacer die (1) comprises a blocking plate, and after the PS surface shell and the SS surface shell (2) are subjected to test die assembly, upper and lower edges of the blocking plate are respectively abutted against the PS surface shell and the SS surface shell (2).
3. The method for manufacturing a wind turbine blade according to claim 2, wherein the bonding area cavity is formed by surrounding the PS surface shell, the SS surface shell (2) and the baffle plate.
4. The method of manufacturing a wind power blade according to claim 1, wherein the obtaining of the trailing edge flange by vacuum infusion molding comprises the steps of:
and paving a vacuum system on the rear flange paved layer after the paving is finished, pouring resin in vacuum until the resin completely infiltrates the paved layer, heating and solidifying, and demolding to obtain the rear flange.
5. The method of manufacturing a wind turbine blade according to claim 1, wherein the bonding and combining the trailing edge flange with any one of a PS-surface shell and an SS-surface shell (2) mold comprises the steps of:
and the trailing edge flange is bonded with any one of the PS-side shell and the SS-side shell (2) and the trailing edge flange by adopting a vacuum lead-in molding process.
6. A method of manufacturing a wind power blade according to claim 1 or 2, characterized in that the foaming glue comprises polyvinyl chloride or polyurethane.
7. A method of manufacturing a wind power blade according to claim 1 or 2, characterized in that through holes are provided in the core pads (4).
8. A method for manufacturing a wind power blade according to claim 1 or 2, wherein the step of laying the core material cushion block (4) at the rear edge of the PS-surface shell or SS-surface shell (2) mold to obtain a rear edge flange layer, and obtaining the rear edge flange by vacuum infusion molding comprises the following steps:
and (3) paving the core material cushion block (4) at the rear edge of the die of the PS surface shell or the SS surface shell (2) to obtain a rear edge flange paving layer, setting auxiliary materials, pouring resin, and removing the auxiliary materials after the resin is solidified.
9. A method of manufacturing a wind power blade according to claim 1 or 2, characterized in that a lower glass fibre cloth layer is laid in the trailing edge bonding area, the core material cushion block (4) is arranged on the lower glass fibre cloth layer, and an upper glass fibre cloth layer is laid on the core material cushion block (4).
10. A wind turbine blade produced by the method for producing a wind turbine blade according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595197.3A CN117565448A (en) | 2023-11-27 | 2023-11-27 | Wind turbine blade manufacturing method and wind turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595197.3A CN117565448A (en) | 2023-11-27 | 2023-11-27 | Wind turbine blade manufacturing method and wind turbine blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117565448A true CN117565448A (en) | 2024-02-20 |
Family
ID=89891453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311595197.3A Pending CN117565448A (en) | 2023-11-27 | 2023-11-27 | Wind turbine blade manufacturing method and wind turbine blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117565448A (en) |
-
2023
- 2023-11-27 CN CN202311595197.3A patent/CN117565448A/en active Pending
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