CN109723603A - A kind of preparation method of wind electricity blade - Google Patents
A kind of preparation method of wind electricity blade Download PDFInfo
- Publication number
- CN109723603A CN109723603A CN201711038797.4A CN201711038797A CN109723603A CN 109723603 A CN109723603 A CN 109723603A CN 201711038797 A CN201711038797 A CN 201711038797A CN 109723603 A CN109723603 A CN 109723603A
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- China
- Prior art keywords
- blade
- reinforced plastics
- preparation
- steel wire
- wind electricity
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The present invention provides a kind of preparation method of wind electricity blade, including following key step: first, blade rack is welded using stainless-steel pipe, with wrapped wire net on the outside of the blade rack, so that the steel wire and the blade framework is welded as a whole by welding manner and constitute fairshaped blade framework;Then, reinforced plastics set is bonded using adhesive on the outside of the steel wire, the reinforced plastics set is identical as the blade framework shape, and the reinforced plastics set is an integral molding structure;Later, outboard bonds reinforcing fiber layer, spontaneous heating material layer and outer protective sleeve are covered in the reinforced plastics;Finally, welding mounting ring in the blade framework end.The beneficial effects of the present invention are: this method operating procedure is simple and easy, to achieve the purpose that improve production efficiency, the blade that intensity is higher and the service life is longer is able to produce out also with this method.
Description
Technical field
The present invention relates to wind power equipment technical fields, more particularly, to a kind of preparation method of wind electricity blade.
Background technique
In recent years, with wind-power electricity generation by people favor degree increasingly improve, so the application amount of wind power equipment also by
Gradually rise.Wherein, the fan blade in wind power equipment is the main reforming unit using wind power generation, and the service life of blade is weighing apparatus
Measure one of the major criterion of leaf quality.Since blade own vol is very huge, have to make its operational process more rapidly
Effect, its own quality are unsuitable overweight, and also need while itself smooth rotation with the ability for resisting high wind impact.And it passes
The fan blade of system is process using engineering plastics, although having the advantages that light, its mechanical strength is poor.Because of wind
The working environment of leaf is exactly to be exposed to outdoor for a long time and be subjected to exposing to the weather, these conditions can all accelerate the aging of fan blade material,
Make fan blade that will be in the presence of being broken after a certain period of time in work, so that needing staff to shut down and repairing behaviour
Make.
It can be seen that how to develop a kind of preparation method of wind electricity blade, it is higher and use the longevity to be able to produce out intensity
Longer blade is ordered, is a problem to be solved by those skilled in the art.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of preparation methods of wind electricity blade.
A kind of preparation method of wind electricity blade of the present invention, specifically includes the following steps:
Firstly, passing through welding using wrapped wire net on the outside of stainless-steel pipe welding blade rack, with the blade rack
Mode makes the steel wire and the blade framework is welded as a whole and constitutes fairshaped blade framework;Then, in the steel wire
Net outside bonds reinforced plastics set using adhesive, and the reinforced plastics covers, the enhancing identical as the blade framework shape
Plastic sheath is an integral molding structure;Later, the reinforced plastics cover outboard bonds reinforcing fiber layer, spontaneous heating material layer and
Outer protective sleeve;Finally, welding mounting ring in the blade framework end.
Further, the material of the steel wire is stainless steel steel wire, and every two steel wires establishment intersection point passes through spot welding mode
It is fixedly connected.
Further, the steel wire diameter in the steel wire is greater than 1cm.
Further, the material of the reinforced plastics set is polyurethane engineering plastics, the processing side of the reinforced plastics set
Method is molded.
Further, for bonding the steel wire, reinforced plastics set, reinforcing fiber layer, spontaneous heating material layer and outer
The adhesive of layer sheath is epoxy resin.
Further, the fiber filament in the reinforcing fiber layer is carbon fiber.
Further, it is offered on the outer protective sleeve a plurality of convenient for spontaneous heating material layer induction ambient temperature height
Gap.
A kind of preparation method of wind electricity blade of the present invention, has the advantage that compared with prior art
The preparation method of the wind electricity blade blade rack and blade framework high-intensitive by welding manner preparation, recycle
Bonding mode adds reinforced plastics set on the outside of the blade framework, reinforcing fiber layer makes the mechanical strength of blade construction into one
Step is obviously improved, and be can effectively avoid finally by the bonding spontaneous heating material layer and is generated on the fan blade in the winter of severe cold
Silver thaw, to eliminate silver thaw rotational resistance caused by blade.Welding manner and bonding mode in whole set process is very simple
It is single, it is easily operated, so production efficiency can be effectively improved, this method processing preparation compared with traditional macromolecule molds blade
There is blade higher mechanical strength can significantly reduce the frequency of maintenance of fan blade to possess longer service life.
Detailed description of the invention
Fig. 1 is process flow chart of the invention;
Fig. 2 is the structural schematic diagram that the present invention prepares blade;
Fig. 3 is the partial sectional view that the present invention prepares blade.
In figure: 1, blade rack, 2, reinforced plastics set, 3, reinforcing fiber layer, 4, spontaneous heating material layer, 5, outer protective sleeve.
Specific embodiment
In order to better understand the present invention, the present invention is further retouched with attached drawing combined with specific embodiments below
It states.
As shown in Figure 1-3, a kind of preparation method of wind electricity blade, specifically includes the following steps:
(1) weldering is passed through with the 1 outside wrapped wire net of blade rack using stainless-steel pipe welding blade rack 1
The mode of connecing makes the steel wire and the blade framework is welded as a whole and constitutes fairshaped blade framework.
In order to make the steel wire that there is higher mechanical strength and anti-corrosion ability, so by the material of the steel wire
Matter is designed as stainless steel steel wire, and every two steel wires establishment intersection point is fixedly connected by spot welding mode.At the same time, in order to further
The anti-pressure ability of the steel wire is promoted, so the steel wire diameter in the steel wire is greater than 1cm.
In addition, the rust resistance in order to further enhance the blade framework can coat rust preventive coating in its surface again.
(2) adhesive bonding reinforced plastics set 2, the reinforced plastics set 2 and the leaf are utilized on the outside of the steel wire
Piece frame configuration is identical, and the reinforced plastics set 2 is an integral molding structure.
For anti-pressure ability, the ageing-resistant ability etc. for improving the reinforced plastics set 2, so by the reinforced plastics set
2 material design is polyurethane engineering plastics.
In order to improve the production efficiency and mechanical strength of the reinforced plastics set 2, so by reinforced plastics set 2
Processing method is designed as molded.Because molded products obtained therefrom is integrally formed, crack is not present, so reinforced plastics
Intensity can be higher compared with the resulting reinforced plastics set 2 of other processing methods for the mechanical strength of set 2.
(3) 2 outboard bonds reinforcing fiber layers 3, spontaneous heating material layer 4 and outer protective sleeve 5 are covered in the reinforced plastics.
In order to make the steel wire, reinforced plastics set 2, reinforcing fiber layer 3, spontaneous heating material layer 4 and outer protective sleeve 5 it
Between bonding strength it is higher, so will be used to bond the steel wire, reinforced plastics cover 2, reinforcing fiber layer 3, spontaneous heating material
The adhesive of layer 4 and outer protective sleeve 5 is to be designed as epoxy resin.
In order to improve the enhancing ability of the reinforcing fiber, so the fiber filament in the reinforcing fiber layer 3 is designed as
3 times of carbon fiber higher than glass fiber strength.The quality of Carbon fibe is lighter than metallic aluminium, but intensity is higher than steel, and has corrosion resistant
It loses, the characteristic of high-modulus.
After effectively preventing heavy snow in winter, accumulated snow is in generating silver thaw on blade, so on the outer protective sleeve 5
Offer a plurality of gap convenient for the spontaneous heating material layer 4 induction ambient temperature.Spontaneous heating in the spontaneous heating material layer 4
Material is the polymer gel solid electrolyte of propionamide sodium bromide, polyethylene glycol PEG6000 preparation.The polymer gel is consolidated
This spontaneous heating material is formed after body electrolyte and reduced iron powder, the preparation of active carbon physical blending, form is solid-state, ingress of air
Heat release afterwards, not when ingress of air in a dormant state.The gap can be expanded with heat and contract with cold performance by the outer protective sleeve 5 just
Real-time monitoring gap size, to achieve the purpose that Effective Regulation spontaneous heating material working condition.
(4) mounting ring is welded in the blade framework end, in order to which the assembly connection between blade and installation wheel hub is grasped
Make.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.All changes and improvements made in accordance with the scope of the present invention, should all
It still belongs within this patent covering scope.
Claims (7)
1. a kind of preparation method of wind electricity blade, which is characterized in that specifically includes the following steps:
A) welding is passed through with wrapped wire net on the outside of the blade rack (1) using stainless-steel pipe welding blade rack (1)
Mode makes the steel wire and the blade framework is welded as a whole and constitutes fairshaped blade framework;
B) adhesive bonding reinforced plastics set (2), the reinforced plastics set (2) and the blade are utilized on the outside of the steel wire
Frame configuration is identical, and the reinforced plastics set (2) is an integral molding structure;
C) in reinforced plastics set (2) the outboard bonds reinforcing fiber layer (3), spontaneous heating material layer (4) and outer protective sleeve
(5);
D) mounting ring is welded in the blade framework end.
2. the preparation method of wind electricity blade according to claim 1, it is characterised in that: the material of the steel wire is stainless
Steel steel wire, every two steel wires establishment intersection point are fixedly connected by spot welding mode.
3. the preparation method of wind electricity blade according to claim 1, it is characterised in that: the steel wire diameter in the steel wire
Greater than 1cm.
4. the preparation method of wind electricity blade according to claim 1, it is characterised in that: the material of the reinforced plastics set (2)
Matter is polyurethane engineering plastics, and the processing method of the reinforced plastics set (2) is molded.
5. the preparation method of wind electricity blade according to claim 1, it is characterised in that: for bonding the steel wire, increasing
The adhesive of plastic sheath (2), reinforcing fiber layer (3), spontaneous heating material layer (4) and outer protective sleeve (5) is epoxy resin by force.
6. the preparation method of wind electricity blade according to claim 1, it is characterised in that: in the reinforcing fiber layer (3)
Fiber filament is carbon fiber.
7. the preparation method of wind electricity blade described in any one of -6 according to claim 1, it is characterised in that: the outer layer shield
The a plurality of gap convenient for the spontaneous heating material layer (4) induction ambient temperature size is offered on set (5).
Priority Applications (1)
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CN201711038797.4A CN109723603A (en) | 2017-10-31 | 2017-10-31 | A kind of preparation method of wind electricity blade |
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CN201711038797.4A CN109723603A (en) | 2017-10-31 | 2017-10-31 | A kind of preparation method of wind electricity blade |
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CN109723603A true CN109723603A (en) | 2019-05-07 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160865A (en) * | 2020-11-11 | 2021-01-01 | 杨志林 | Wind power generation blade |
-
2017
- 2017-10-31 CN CN201711038797.4A patent/CN109723603A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160865A (en) * | 2020-11-11 | 2021-01-01 | 杨志林 | Wind power generation blade |
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PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190507 |
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WD01 | Invention patent application deemed withdrawn after publication |