CN109878105A - Fiber lay down layer method for wind electricity blade manufacture - Google Patents
Fiber lay down layer method for wind electricity blade manufacture Download PDFInfo
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- CN109878105A CN109878105A CN201910215344.7A CN201910215344A CN109878105A CN 109878105 A CN109878105 A CN 109878105A CN 201910215344 A CN201910215344 A CN 201910215344A CN 109878105 A CN109878105 A CN 109878105A
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- fiber cloth
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Abstract
The invention discloses a kind of fiber lay down layer methods for wind electricity blade manufacture, mainly include, and multi-layer fiber layer is laid in wind-powered blade mold, and each fibrous layer is opened up to fiber cloth and the tangential fiber cloth of muti-piece from muti-piece and is mutually formed by overlapping.Wherein, it is laid with using exhibition to fiber cloth in the first area of wind-powered blade mold, opens up the exhibition for being laid with direction and wind-powered blade mold to fiber cloth to consistent, muti-piece is opened up to fiber cloth and mutually overlapped.It is laid in the second area of wind-powered blade mold using tangential fiber cloth, tangential fiber cloth is laid with the tangential consistent of direction and wind-powered blade mold, and the tangential fiber cloth of muti-piece mutually overlaps, and adjacent tangential fiber cloth and opening up mutually overlaps between fiber cloth.Using the above method, when can solve to produce wind electricity blade to laying or tangential ply sequence using exhibition simultaneously, it is difficult to take into account the problem of being laid with difficulty and being laid with efficiency.
Description
Technical field
The present invention relates to a kind of fiber lay down layer methods for wind electricity blade manufacture.
Background technique
Wind energy is reply weather and environmental problem effective energy approach as good renewable energy.Wind electricity blade is made
It is just fast-developing towards blade enlargement direction for the core component of Wind turbines.After blade dimensions become larger, composite material leaf
The manufacture difficulty of piece also steeply rises.In the biggish region of height and Curvature varying of blade mold, construction personnel is not easy to reach,
The hand lay-up difficulty of fibre reinforced materials is big, needs special tooling auxiliary that could be laid with.
In wind electricity blade production process, fiber split is generally laid with using following two mode.A kind of mode is split
It is laid with direction all to open up with blade to consistent, this method laying is high-efficient, but in mold height and the apparent area of Curvature varying
It is very big that domain is laid with difficulty.This mode is used by most blades producer in the industry.Another way is that split is laid with direction
All tangential consistent with blade, this method is easily operated in mold Curvature varying large area, but in gentle curvature region
Inefficient operation, laying overlap weight and lay particular stress on.This method is only applied in the integrated molding blade technology of Siemens.
Summary of the invention
The technical problem to be solved by the present invention is to use exhibition to laying or tangential ply sequence in the prior art to overcome
When producing wind electricity blade, it is difficult to take into account the defect for being laid with difficulty and being laid with efficiency, laying difficulty and paving can be taken into account by providing one kind
If the fiber lay down layer method for wind electricity blade manufacture of efficiency.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of fiber lay down layer method for wind electricity blade manufacture, it is characterized in that, it is laid in wind-powered blade mold more
Layer fibrous layer, each fibrous layer are opened up to fiber cloth and the tangential fiber cloth of muti-piece from muti-piece and are mutually formed by overlapping, in which:
It is laid in the first area of the wind-powered blade mold using described open up to fiber cloth, the paving opened up to fiber cloth
The exhibition of set direction and the wind-powered blade mold is opened up to fiber cloth described in muti-piece and is mutually overlapped to consistent；
It is laid in the second area of the wind-powered blade mold using the tangential fiber cloth, the paving of the tangential fiber cloth
Set direction is tangential consistent with the wind-powered blade mold, and tangential fiber cloth described in muti-piece mutually overlaps, and adjacent is described tangential
Fiber cloth and described open up mutually overlap between fiber cloth.
Preferably, the first area includes blade inlet edge, blade middle section to tip region.
Preferably, the second area includes trailing edge.
Preferably, the breadth of the tangential fiber cloth is changed according to the curvature of the wind-powered blade mold, the wind
The curvature of electric blade mold is smaller, and the breadth of the tangential fiber cloth of use is wider.
Preferably, described open up to the mutual lap of splice of fiber cloth between 50mm-70mm.
Preferably, the mutual lap of splice of the tangential fiber cloth is between 50mm-70mm.
Preferably, the tangential fiber cloth and the lap of splice opened up between fiber cloth are between 50mm-70mm.
Preferably, the lap position on the adjacent fibrous layer mutually staggers.
The 70mm preferably, lap position on the adjacent fibrous layer is at least staggered.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that: use exhibition to laying and tangential laying phase in wind electricity blade manufacturing process
In conjunction with mode be laid with fiber cloth, when can solve simultaneously using single exhibition to paving mode, in the height and curvature of mold
When changing the big problem of apparent region laying difficulty and using single tangential paving mode, become in the height and curvature of mold
Change the problem of gentle region is laid with low efficiency.
Detailed description of the invention
Fig. 1 is tangential fiber cloth in the preferred embodiment of the present invention and opens up the knot being layed on wind-powered blade mold to fiber cloth
Structure schematic diagram.
Fig. 2 is tangential fiber cloth and to open up to fiber cloth mutually overlapped structural schematic diagram in the preferred embodiment of the present invention.
Fig. 3 is the enlarged drawing of part A in Fig. 2.
Fig. 4 is the enlarged drawing of part B in Fig. 2.
Description of symbols:
It opens up to fiber cloth 10
Tangential fiber cloth 20
Wind-powered blade mold 30
It opens up to X
Tangential Y
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Wind turbine blade manufacturing process generally comprises: formpiston, turn over former, laying, be heating and curing, demoulding, surface of polishing,
The techniques such as spray painting.Wherein, lay-up process is exactly the fibrous materials such as laying glass-fiber-fabric, carbon fiber cloth in wind-powered blade mold 30, and
Afterwards by resin infusion into fibrous material.The laying quality of fibrous material is affected to the quality stability of wind electricity blade, paving
If bad be easy to produce fold.In order to improve the quality of fibrous material laying, the efficiency of laying, the present embodiment introduction are combined
A kind of fiber lay down layer method for wind electricity blade manufacture mainly includes that it is fine that multilayer is laid in the wind-powered blade mold 30
Layer is tieed up, each fibrous layer is opened up to fiber cloth 10 and the tangential fiber cloth 20 of muti-piece from muti-piece and is mutually formed by overlapping.Such as Fig. 1-Fig. 4 institute
Show, is laid with, is opened up to the laying direction of fiber cloth 10 and wind to fiber cloth 10 using exhibition in the first area of wind-powered blade mold 30
The exhibition of electric blade mold 30 is consistent to X, and muti-piece is opened up to fiber cloth 10 and mutually overlapped.It is adopted in the second area of wind-powered blade mold 30
It is laid with tangential fiber cloth 20, the laying direction of tangential fiber cloth 20 is consistent with the tangential Y of wind-powered blade mold 30, and muti-piece is tangential
Fiber cloth 20 mutually overlaps, and adjacent tangential fiber cloth 20 and opening up mutually overlaps between fiber cloth 10.Wherein, first area table
Show in wind-powered blade mold 30 height and the more gentle region of curvature, second area indicate in wind-powered blade mold 30 height and
The more apparent region of curvature.
In the present embodiment, can be made in the second area of wind-powered blade mold 30 using the laying of tangential fiber cloth 20 tangential
Fiber cloth 20 is more bonded with wind-powered blade mold 30, is reduced and is laid with difficulty, avoids the problem that generating fold.In wind electricity blade mould
The first area of tool 30 is laid with odds for effectiveness of the exhibition of capable of playing to laying to fiber cloth 10 using exhibition, improves the system of wind electricity blade
Make efficiency.And muti-piece is opened up and can guarantee to ensure that fiber load is passed to fiber cloth 10 and the mutually overlap joint of the tangential fiber cloth of muti-piece 20
It passs.This ply sequence can take into account the advantages of exhibition is to paving mode and tangential paving mode.
In the present solution, the first area of wind-powered blade mold 30 includes blade inlet edge, blade middle section to tip region.?
Above-mentioned zone, which can either guarantee laying quality again to laying along the exhibition of wind-powered blade mold 30 to fiber cloth 10 using exhibition, to be mentioned
Height is laid with efficiency.The second area of wind-powered blade mold 30 includes trailing edge.The Curvature varying of above-mentioned zone is more obvious, adopts
Tangential laying with tangential fiber cloth 20 along wind-powered blade mold 30 can reduce laying difficulty, control the laying matter of fiber cloth
Amount.
In actual mechanical process, the breadth of tangential fiber cloth 20 can be become according to the curvature of wind-powered blade mold 30
Change, the curvature of wind-powered blade mold 30 is smaller, and the breadth of the tangential fiber cloth 20 of use is wider.According to wind-powered blade mold 30
Curvature varying enables to tangential fiber cloth 20 to be more bonded with wind-powered blade mold 30 to adjust the breadth of tangential fiber cloth 20.
Big breadth split is used in Curvature varying shoulder, overlap joint weight can be reduced with improving production efficiency.
In order to ensure fiber load is effectively transmitted, in the present embodiment, open up long to the mutual overlap joint of fiber cloth 10
Degree is between 50mm-70mm.The mutual lap of splice of tangential fiber cloth 20 is between 50mm-70mm.Tangential fiber cloth 20
And it opens up to the lap of splice between fiber cloth 10 between 50mm-70mm.
After the laying for completing shell first layer fibrous layer, identical laying process can be used, complete the laying of subsequent fibrous layer.
It should be noted that the lap position between fiber cloth belongs to intensity position the weakest, in order to avoid on different fibrous layers
The overlapped overall structural strength for influencing wind electricity blade of weak spot, the lap position on adjacent fibrous layers should be mutually wrong
It opens.In this implementation, the lap position on adjacent fibrous layers is at least staggered 70mm.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (9)
1. a kind of fiber lay down layer method for wind electricity blade manufacture, which is characterized in that be laid with multilayer in wind-powered blade mold
Fibrous layer, each fibrous layer are opened up to fiber cloth and the tangential fiber cloth of muti-piece from muti-piece and are mutually formed by overlapping, in which:
It is laid in the first area of the wind-powered blade mold using described open up to fiber cloth, the laying side opened up to fiber cloth
To the exhibition with the wind-powered blade mold to consistent, is opened up described in muti-piece to fiber cloth and mutually overlapped；
It is laid in the second area of the wind-powered blade mold using the tangential fiber cloth, the laying side of the tangential fiber cloth
To tangential consistent with the wind-powered blade mold, tangential fiber cloth described in muti-piece is mutually overlapped, the adjacent tangential fiber
Cloth and described open up mutually overlap between fiber cloth.
2. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that the first area
Including blade inlet edge, blade middle section to tip region.
3. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that the second area
Including trailing edge.
4. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that the tangential fiber
The breadth of cloth is changed according to the curvature of the wind-powered blade mold, and the curvature of the wind-powered blade mold is smaller, use
The breadth of the tangential fiber cloth is wider.
5. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that described to open up to fiber
The mutual lap of splice of cloth is between 50mm-70mm.
6. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that the tangential fiber
The mutual lap of splice of cloth is between 50mm-70mm.
7. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that the tangential fiber
Cloth and the lap of splice opened up between fiber cloth are between 50mm-70mm.
8. the fiber lay down layer method for wind electricity blade manufacture as described in claim 1, which is characterized in that the adjacent fiber
Lap position on layer mutually staggers.
9. the fiber lay down layer method for wind electricity blade manufacture as claimed in claim 8, which is characterized in that the adjacent fiber
Lap position on layer is at least staggered 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215344.7A CN109878105B (en) | 2019-03-20 | 2019-03-20 | Fiber layering method for wind power blade manufacturing |
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| CN201910215344.7A CN109878105B (en) | 2019-03-20 | 2019-03-20 | Fiber layering method for wind power blade manufacturing |
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| CN109878105A true CN109878105A (en) | 2019-06-14 |
| CN109878105B CN109878105B (en) | 2021-05-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188740A (en) * | 2019-11-30 | 2020-05-22 | 惠阳航空螺旋桨有限责任公司 | Composite material blade with high-strength blade root and manufacturing method thereof |
| CN114523686A (en) * | 2022-02-14 | 2022-05-24 | 三一重能股份有限公司 | Blade glass fiber layering method, blade glass fiber layering, wind power blade and wind power unit |
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| CN101749194A (en) * | 2009-12-11 | 2010-06-23 | 重庆通用工业(集团)有限责任公司 | Wind turbine blade for large-scale wind generating set, and molding method thereof |
| CN102108946A (en) * | 2011-01-17 | 2011-06-29 | 南京航空航天大学 | Composite layering type wind turbine blade and manufacturing method thereof |
| EP2727710A2 (en) * | 2012-10-31 | 2014-05-07 | General Electric Company | A wind turbine rotor blade with fabric skin and associated method for assembly |
| CN106499578A (en) * | 2016-12-18 | 2017-03-15 | 中国科学院工程热物理研究所 | A kind of wind power blade tip lightening extending structure and method |
| CN106945302A (en) * | 2016-01-07 | 2017-07-14 | 中航商用航空发动机有限责任公司 | Fiber-reinforced composite fan blade and its manufacture method |
| CN107605667A (en) * | 2016-07-12 | 2018-01-19 | 北京博比风电科技有限公司 | A kind of modularization pneumatic equipment bladess part synergy design method |
| CN109372708A (en) * | 2018-10-12 | 2019-02-22 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade girder or auxiliary girder construction and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5127802A (en) * | 1990-12-24 | 1992-07-07 | United Technologies Corporation | Reinforced full-spar composite rotor blade |
| CN101749194A (en) * | 2009-12-11 | 2010-06-23 | 重庆通用工业(集团)有限责任公司 | Wind turbine blade for large-scale wind generating set, and molding method thereof |
| CN102108946A (en) * | 2011-01-17 | 2011-06-29 | 南京航空航天大学 | Composite layering type wind turbine blade and manufacturing method thereof |
| EP2727710A2 (en) * | 2012-10-31 | 2014-05-07 | General Electric Company | A wind turbine rotor blade with fabric skin and associated method for assembly |
| CN106945302A (en) * | 2016-01-07 | 2017-07-14 | 中航商用航空发动机有限责任公司 | Fiber-reinforced composite fan blade and its manufacture method |
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| CN106499578A (en) * | 2016-12-18 | 2017-03-15 | 中国科学院工程热物理研究所 | A kind of wind power blade tip lightening extending structure and method |
| CN109372708A (en) * | 2018-10-12 | 2019-02-22 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade girder or auxiliary girder construction and its manufacturing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188740A (en) * | 2019-11-30 | 2020-05-22 | 惠阳航空螺旋桨有限责任公司 | Composite material blade with high-strength blade root and manufacturing method thereof |
| CN114523686A (en) * | 2022-02-14 | 2022-05-24 | 三一重能股份有限公司 | Blade glass fiber layering method, blade glass fiber layering, wind power blade and wind power unit |
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| CN109878105B (en) | 2021-05-07 |
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Address after: 200233 Caobao Road, Xuhui District, Shanghai, No. 115 Applicant after: Shanghai Electric Wind Power Group Co., Ltd Address before: 200233 Caobao Road, Xuhui District, Shanghai, No. 115 Applicant before: Shanghai Electric Wind Power Group Co., Ltd. |
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