CN107939596A - A kind of inner skeleton support type wind electricity blade and preparation method thereof - Google Patents
A kind of inner skeleton support type wind electricity blade and preparation method thereof Download PDFInfo
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- CN107939596A CN107939596A CN201710907742.6A CN201710907742A CN107939596A CN 107939596 A CN107939596 A CN 107939596A CN 201710907742 A CN201710907742 A CN 201710907742A CN 107939596 A CN107939596 A CN 107939596A
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- Prior art keywords
- lower housing
- upper shell
- support frame
- epoxy resin
- shell
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- 230000005611 electricity Effects 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims description 58
- 239000003822 epoxy resin Substances 0.000 claims description 55
- 229920000647 polyepoxide Polymers 0.000 claims description 55
- 239000003365 glass fiber Substances 0.000 claims description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 38
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 34
- 239000000835 fiber Substances 0.000 claims description 31
- 239000004760 aramid Substances 0.000 claims description 25
- 229920003235 aromatic polyamide Polymers 0.000 claims description 25
- 230000037452 priming Effects 0.000 claims description 25
- 230000010412 perfusion Effects 0.000 claims description 21
- 239000006260 foam Substances 0.000 claims description 19
- 229910052759 nickel Inorganic materials 0.000 claims description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 239000004952 Polyamide Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 claims description 5
- 230000001186 cumulative effect Effects 0.000 claims description 5
- 239000003205 fragrance Substances 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 9
- 239000010426 asphalt Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- 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)
- Prostheses (AREA)
- Wind Motors (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses a kind of inner skeleton support type wind electricity blade and preparation method thereof, including upper shell, lower housing shell, connection end, support frame；The upper shell and the both ends of lower housing shell are bonded by connecting end；The trapezoidal structure of the support frame；The support frame is arranged on the middle part between upper shell and lower housing shell, preparation section of the present invention is followed successively by housing making, support frame makes, connection end makes, bonding, obtain the wind electricity blade of the present invention, the intensity of the present invention is high, and multiple components are attached by way of inner skeleton and outer skin.
Description
Technical field
The present invention relates to a kind of inner skeleton support type wind electricity blade and preparation method thereof.
Background technology
The kinetic energy that wind-power electricity generation refers to keep watch switchs to electric energy, and wind is a kind of energy without public hazards, non-using wind-power electricity generation
Chang Huanbao, and the electric energy that can be produced is very huge, therefore more and more countries more pay attention to wind-power electricity generation.At present, wind-force
Power generation is carried out generally by large-scale wind electricity blade, and the strength character of wind electricity blade is particularly critical, current wind electricity blade
All parts are irrigated generally by epoxy resin, then bonding forms, by adding reinforcing fiber in the epoxy to wind
The intensity of electric blade is lifted, and most commonly used reinforcing fiber is usually glass fibre and carbon fiber, but such material
The wind electricity blade intensity prepared is not very reliable, without a bit toughness.
The content of the invention
In view of the above shortcomings of the prior art part, the present invention solve the problems, such as be：It is reliably internal to provide a kind of intensity
Skeletal support type wind electricity blade and preparation method thereof.
To solve the above problems, the technical solution that the present invention takes is as follows：
A kind of inner skeleton support type wind electricity blade, including upper shell, lower housing shell, connection end, support frame；The upper casing
The both ends of body and lower housing shell are bonded by connecting end；The trapezoidal structure of the support frame；The support frame
The middle part being arranged between upper shell and lower housing shell；The upper shell and lower housing shell include exterior epoxy resin layer and inside
Enhancement layer；The enhancement layer is made of titanium alloy material；Multiple jack holes are uniformly provided with the enhancement layer；Described
Connecting end includes epoxy resin, glass fiber powder, calcium carbonate powder, aromatic polyamide fibre；The support frame bag
Include epoxy resin, glass fiber powder, bar shaped nickel foam.
Further, it is equipped with buckling groove on the inside of the upper shell and on the inside of lower housing shell；The support frame it is upper
End and lower end are separately mounted on the inside of upper shell and in the buckling groove of the inner side of lower housing shell.
Further, the epoxy resin in the connection end, glass fiber powder, calcium carbonate powder, aromatic polyamide
The parts by weight of fiber are respectively：100 parts, 40~50 parts, 30~40 parts, 5~10 parts.
Further, the parts by weight of the epoxy resin in the support frame and glass fiber powder be respectively 100 parts, 20~
30 parts；The volume ratio of the epoxy resin and the cumulative volume of glass fiber powder and bar shaped nickel foam is 1:1~1:2.
A kind of preparation method of inner skeleton support type wind electricity blade, including step are as follows：
S1, housing make：The pre-buried enhancement layer in housing mould, using enhancement layer as skeleton priming by vacuum epoxy resin, cures
Upper shell and lower housing shell are obtained after demoulding；
S2, support frame make：Buckling groove is respectively cut on the inside of upper shell and lower housing shell, according in upper shell and lower housing shell
The spacing of buckling groove makes support frame perfusion mould after shape and upper shell and the lower housing shell bonding of the buckling groove of side；Propping up
Each pre-buried bar shaped nickel foam in position in support bone frame perfusion mould, then proportionally by the mixed of epoxy resin and glass fiber powder
Close material priming by vacuum to irrigate in mould to support frame, be supported skeleton after curing demoulding；
S3, connection end make：Aromatic polyamide fibre is put into pulverizer and is crushed, obtains the fragrance of coccoid
Polyamide fiber, then proportionally by epoxy resin, glass fiber powder, calcium carbonate powder, coccoid aromatic series polyamides
Amine fiber is mixed, and obtains mixed perfusion material, the priming by vacuum mixed perfusion material in the mould of connection end, after curing demoulding
Obtain connection end；
S4, bonding：The top and bottom of support frame are separately mounted in the buckling groove of upper shell, lower housing shell, by upper shell,
Lower housing shell, connection end are bonded, and obtain wind electricity blade.
Further, in the step S2 every 5~10min primings by vacuum once；The number of priming by vacuum is 3~5 times.
Further, the grinding time of the aromatic polyamide fibre in the step S3 is 20~30min, and rotating speed is
600~800r/min.
Further, mixed perfusion material is stirred mixing in the step S3, and it is 20~30min to be stirred the time.
Beneficial effects of the present invention
1st, middle part of the present invention between upper shell and lower housing shell is provided with support frame, and the trapezoidal structure of support frame, is played
The effect of Auxiliary support upper shell and lower housing shell, support frame of the invention include epoxy resin, glass fiber powder, bar shaped foam
Nickel, using bar shaped nickel foam as skeleton, using the mixture of epoxy resin and glass fiber powder as exterior perfusion encapsulated layer, greatly
The intensity for enhancing support frame, the mixture of epoxy resin and glass fiber powder constantly penetrates into bar when perfusion
Among the gap of shape nickel foam so that the mixture and bar shaped nickel foam of epoxy resin and glass fiber powder polymerize more steady
Gu integrally-built stability and intensity are more increased.
2nd, upper shell of the invention and lower housing shell include exterior epoxy resin layer and the enhancement layer of inside, and enhancement layer is by titanium
Alloy material is made and multiple jack holes is uniformly distributed on enhancement layer, and the cortex of outside, enhancement layer are used as by epoxy resin
As internal enhancing support frame, intensity is enhanced, while the setting of jack hole can allow epoxy resin in enhancement layer
Both sides interpenetrate bonding, further enhancing the bonding degree of epoxy resin layer and enhancement layer, intensity is relatively reliable.
2nd, it is fine to include epoxy resin, glass fiber powder, calcium carbonate powder, aromatic polyamide for connection end of the invention
Dimension, the intensity of connection end is enhanced by the addition of glass fiber powder, calcium carbonate powder, and aromatic polyamide fibre is a kind of
Flexible high molecular material, by rational ratio setting, suitably adds the flexibility of connection end, so enhances connection at the same time
The intensity and flexibility of end.
Brief description of the drawings
Fig. 1 is upper shell of the present invention, lower housing shell, the structure diagram for connecting end.
Fig. 2 is the structure diagram of support frame of the present invention.
Fig. 3 is upper shell of the present invention, the schematic cross-sectional view of lower housing shell.
Fig. 4 is the structure diagram of the enhancement layer inside upper shell of the present invention and lower housing shell.
Embodiment
Present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figures 1 to 4, a kind of inner skeleton support type wind electricity blade, including upper shell 1, lower housing shell 2, connection end 3, branch
Support bone frame 5.The both ends of upper shell 1 and lower housing shell 2 are bonded by connecting end 3.As shown in Fig. 2, support frame 5 is trapezoidal
Structure, support frame 5 include upper end 51, lower end 52, both sides sidepiece 53.Support frame 5 be arranged on upper shell 1 and lower housing shell 2 it
Between middle part, the inner side of the inner side of upper shell 1 and lower housing shell 2 is equipped with buckling groove 4.The upper end 51 and lower end 52 of support frame 5 are divided
Not An Zhuan the inner side of upper shell 1 and lower housing shell 2 inner side buckling groove 4 in.As shown in figure 3, upper shell 1 and lower housing shell 2 include
Exterior epoxy resin layer 7 and internal enhancement layer 6.The enhancement layer 6 of the present invention is made of titanium alloy material.As shown in figure 4, increase
Multiple jack holes 61 are uniformly provided with strong layer 6.Connecting end 3 includes epoxy resin, glass fiber powder, calcium carbonate powder, fragrance
Polyamide fiber.Support frame 5 includes epoxy resin, glass fiber powder, bar shaped nickel foam.Connect the asphalt mixtures modified by epoxy resin in end 3
Fat, glass fiber powder, calcium carbonate powder, the parts by weight of aromatic polyamide fibre are respectively：100 parts, 40 parts, 30 parts, 5 parts.
The parts by weight of epoxy resin and glass fiber powder in support frame 5 are respectively 100 parts, 20 parts.Epoxy resin and glass fibre
The cumulative volume of powder is 1 with the volume ratio of bar shaped nickel foam:1.
A kind of preparation method of inner skeleton support type wind electricity blade, including step are as follows：
S1, housing make：The pre-buried enhancement layer in housing mould, using enhancement layer as skeleton priming by vacuum epoxy resin, cures
Upper shell and lower housing shell are obtained after demoulding.
S2, support frame make：Buckling groove is respectively cut on the inside of upper shell and lower housing shell, according to upper shell and lower casing
The spacing of buckling groove makes support frame perfusion mould after the shape and upper shell and lower housing shell bonding of the buckling groove of internal side,
Every 5min primings by vacuum once；The number of priming by vacuum is 3 times.Each pre-buried bar shaped in position in support frame irrigates mould
Nickel foam, then proportionally irrigates mould by the mixture priming by vacuum of epoxy resin and glass fiber powder to support frame
In, be supported skeleton after curing demoulding.
S3, connection end make：Aromatic polyamide fibre is put into pulverizer and is crushed, aromatic polyamide
The grinding time of fiber is 20min, and rotating speed 600r/min, obtains the aromatic polyamide fibre of coccoid；Then according to than
The aromatic polyamide fibre of epoxy resin, glass fiber powder, calcium carbonate powder, coccoid is stirred mixing by example, is stirred
Incorporation time is 20min, obtains mixed perfusion material, and the priming by vacuum mixed perfusion material in the mould of connection end, cures demoulding
After obtain connection end.
S4, bonding：The top and bottom of support frame are separately mounted in the buckling groove of upper shell, lower housing shell, will be upper
Housing, lower housing shell, connection end are bonded, and obtain wind electricity blade.
Embodiment 2
As shown in Figures 1 to 4, a kind of inner skeleton support type wind electricity blade, including upper shell 1, lower housing shell 2, connection end 3, branch
Support bone frame 5.The both ends of upper shell 1 and lower housing shell 2 are bonded by connecting end 3.As shown in Fig. 2, support frame 5 is trapezoidal
Structure, support frame 5 include upper end 51, lower end 52, both sides sidepiece 53.Support frame 5 be arranged on upper shell 1 and lower housing shell 2 it
Between middle part, the inner side of the inner side of upper shell 1 and lower housing shell 2 is equipped with buckling groove 4.The upper end 51 and lower end 52 of support frame 5 are divided
Not An Zhuan the inner side of upper shell 1 and lower housing shell 2 inner side buckling groove 4 in.As shown in figure 3, upper shell 1 and lower housing shell 2 include
Exterior epoxy resin layer 7 and internal enhancement layer 6.The enhancement layer 6 of the present invention is made of titanium alloy material.As shown in figure 4, increase
Multiple jack holes 61 are uniformly provided with strong layer 6.Connecting end 3 includes epoxy resin, glass fiber powder, calcium carbonate powder, fragrance
Polyamide fiber.Support frame 5 includes epoxy resin, glass fiber powder, bar shaped nickel foam.Connect the asphalt mixtures modified by epoxy resin in end 3
Fat, glass fiber powder, calcium carbonate powder, the parts by weight of aromatic polyamide fibre are respectively：100 parts, 45 parts, 35 parts, 7 parts.
The parts by weight of epoxy resin and glass fiber powder in support frame 5 are respectively 100 parts, 25 parts.Epoxy resin and glass fibre
The cumulative volume of powder is 1 with the volume ratio of bar shaped nickel foam:1.5.
A kind of preparation method of inner skeleton support type wind electricity blade, including step are as follows：
S1, housing make：The pre-buried enhancement layer in housing mould, using enhancement layer as skeleton priming by vacuum epoxy resin, cures
Upper shell and lower housing shell are obtained after demoulding.
S2, support frame make：Buckling groove is respectively cut on the inside of upper shell and lower housing shell, according to upper shell and lower casing
The spacing of buckling groove makes support frame perfusion mould after the shape and upper shell and lower housing shell bonding of the buckling groove of internal side,
Every 8min primings by vacuum once；The number of priming by vacuum is 4 times.Each pre-buried bar shaped in position in support frame irrigates mould
Nickel foam, then proportionally irrigates mould by the mixture priming by vacuum of epoxy resin and glass fiber powder to support frame
In, be supported skeleton after curing demoulding.
S3, connection end make：Aromatic polyamide fibre is put into pulverizer and is crushed, aromatic polyamide
The grinding time of fiber is 25min, and rotating speed 700r/min, obtains the aromatic polyamide fibre of coccoid；Then according to than
The aromatic polyamide fibre of epoxy resin, glass fiber powder, calcium carbonate powder, coccoid is stirred mixing by example, is stirred
Incorporation time is 25min, obtains mixed perfusion material, and the priming by vacuum mixed perfusion material in the mould of connection end, cures demoulding
After obtain connection end.
S4, bonding：The top and bottom of support frame are separately mounted in the buckling groove of upper shell, lower housing shell, will be upper
Housing, lower housing shell, connection end are bonded, and obtain wind electricity blade.
Embodiment 3
As shown in Figures 1 to 4, a kind of inner skeleton support type wind electricity blade, including upper shell 1, lower housing shell 2, connection end 3, branch
Support bone frame 5.The both ends of upper shell 1 and lower housing shell 2 are bonded by connecting end 3.As shown in Fig. 2, support frame 5 is trapezoidal
Structure, support frame 5 include upper end 51, lower end 52, both sides sidepiece 53.Support frame 5 be arranged on upper shell 1 and lower housing shell 2 it
Between middle part, the inner side of the inner side of upper shell 1 and lower housing shell 2 is equipped with buckling groove 4.The upper end 51 and lower end 52 of support frame 5 are divided
Not An Zhuan the inner side of upper shell 1 and lower housing shell 2 inner side buckling groove 4 in.As shown in figure 3, upper shell 1 and lower housing shell 2 include
Exterior epoxy resin layer 7 and internal enhancement layer 6.The enhancement layer 6 of the present invention is made of titanium alloy material.As shown in figure 4, increase
Multiple jack holes 61 are uniformly provided with strong layer 6.Connecting end 3 includes epoxy resin, glass fiber powder, calcium carbonate powder, fragrance
Polyamide fiber.Support frame 5 includes epoxy resin, glass fiber powder, bar shaped nickel foam.Connect the asphalt mixtures modified by epoxy resin in end 3
Fat, glass fiber powder, calcium carbonate powder, the parts by weight of aromatic polyamide fibre are respectively：100 parts, 50 parts, 40 parts, 10 parts.
The parts by weight of epoxy resin and glass fiber powder in support frame 5 are respectively 100 parts, 30 parts.Epoxy resin and glass fibre
The cumulative volume of powder is 1 with the volume ratio of bar shaped nickel foam:2.
A kind of preparation method of inner skeleton support type wind electricity blade, including step are as follows：
S1, housing make：The pre-buried enhancement layer in housing mould, using enhancement layer as skeleton priming by vacuum epoxy resin, cures
Upper shell and lower housing shell are obtained after demoulding.
S2, support frame make：Buckling groove is respectively cut on the inside of upper shell and lower housing shell, according to upper shell and lower casing
The spacing of buckling groove makes support frame perfusion mould after the shape and upper shell and lower housing shell bonding of the buckling groove of internal side,
Every 10min primings by vacuum once；The number of priming by vacuum is 5 times.Each pre- underground layering in position in support frame irrigates mould
Shape nickel foam, then proportionally irrigates mould by the mixture priming by vacuum of epoxy resin and glass fiber powder to support frame
In, be supported skeleton after curing demoulding.
S3, connection end make：Aromatic polyamide fibre is put into pulverizer and is crushed, aromatic polyamide
The grinding time of fiber is 30min, and rotating speed 800r/min, obtains the aromatic polyamide fibre of coccoid；Then according to than
The aromatic polyamide fibre of epoxy resin, glass fiber powder, calcium carbonate powder, coccoid is stirred mixing by example, is stirred
Incorporation time is 30min, obtains mixed perfusion material, and the priming by vacuum mixed perfusion material in the mould of connection end, cures demoulding
After obtain connection end.
S4, bonding：The top and bottom of support frame are separately mounted in the buckling groove of upper shell, lower housing shell, will be upper
Housing, lower housing shell, connection end are bonded, and obtain wind electricity blade.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of inner skeleton support type wind electricity blade, it is characterised in that including upper shell, lower housing shell, connection end, support rib
Frame；The upper shell and the both ends of lower housing shell are bonded by connecting end；The trapezoidal structure of the support frame；Institute
The support frame stated is arranged on the middle part between upper shell and lower housing shell；The upper shell and lower housing shell include exterior epoxy
Resin bed and internal enhancement layer；The enhancement layer is made of titanium alloy material；It is uniformly provided with the enhancement layer multiple
Jack hole；The connection end includes epoxy resin, glass fiber powder, calcium carbonate powder, aromatic polyamide fibre；It is described
Support frame include epoxy resin, glass fiber powder, bar shaped nickel foam.
2. inner skeleton support type wind electricity blade according to claim 1, it is characterised in that on the inside of the upper shell and
Buckling groove is equipped with the inside of lower housing shell；The top and bottom of the support frame are separately mounted on the inside of upper shell and lower casing
In the buckling groove of the inner side of body.
3. inner skeleton support type wind electricity blade according to claim 1, it is characterised in that in the connection end
Epoxy resin, glass fiber powder, calcium carbonate powder, the parts by weight of aromatic polyamide fibre are respectively：100 parts, 40~50 parts,
30~40 parts, 5~10 parts.
4. inner skeleton support type wind electricity blade according to claim 1, it is characterised in that in the support frame
The parts by weight of epoxy resin and glass fiber powder are respectively 100 parts, 20~30 parts；The epoxy resin and glass fiber powder
The volume ratio of cumulative volume and bar shaped nickel foam is 1:1~1:2.
5. a kind of preparation method of inner skeleton support type wind electricity blade, it is characterised in that as follows including step：
S1, housing make：The pre-buried enhancement layer in housing mould, using enhancement layer as skeleton priming by vacuum epoxy resin, cures
Upper shell and lower housing shell are obtained after demoulding；
S2, support frame make：Buckling groove is respectively cut on the inside of upper shell and lower housing shell, according in upper shell and lower housing shell
The spacing of buckling groove makes support frame perfusion mould after shape and upper shell and the lower housing shell bonding of the buckling groove of side；Propping up
Each pre-buried bar shaped nickel foam in position in support bone frame perfusion mould, then proportionally by the mixed of epoxy resin and glass fiber powder
Close material priming by vacuum to irrigate in mould to support frame, be supported skeleton after curing demoulding；
S3, connection end make：Aromatic polyamide fibre is put into pulverizer and is crushed, obtains the fragrance of coccoid
Polyamide fiber, then proportionally by epoxy resin, glass fiber powder, calcium carbonate powder, coccoid aromatic series polyamides
Amine fiber is mixed, and obtains mixed perfusion material, the priming by vacuum mixed perfusion material in the mould of connection end, after curing demoulding
Obtain connection end；
S4, bonding：The top and bottom of support frame are separately mounted in the buckling groove of upper shell, lower housing shell, by upper shell,
Lower housing shell, connection end are bonded, and obtain wind electricity blade.
6. the preparation method of inner skeleton support type wind electricity blade according to claim 5, it is characterised in that the step
In rapid S2 every 5~10min primings by vacuum once；The number of priming by vacuum is 3~5 times.
7. the preparation method of inner skeleton support type wind electricity blade according to claim 5, it is characterised in that the step
The grinding time of aromatic polyamide fibre in rapid S3 is 20~30min, and rotating speed is 600~800r/min.
8. the preparation method of inner skeleton support type wind electricity blade according to claim 5, it is characterised in that the step
Mixed perfusion material is stirred mixing in rapid S3, and it is 20~30min to be stirred the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907742.6A CN107939596A (en) | 2017-09-29 | 2017-09-29 | A kind of inner skeleton support type wind electricity blade and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907742.6A CN107939596A (en) | 2017-09-29 | 2017-09-29 | A kind of inner skeleton support type wind electricity blade and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107939596A true CN107939596A (en) | 2018-04-20 |
Family
ID=61935108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710907742.6A Pending CN107939596A (en) | 2017-09-29 | 2017-09-29 | A kind of inner skeleton support type wind electricity blade and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939596A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066747A (en) * | 2008-06-23 | 2011-05-18 | 丹麦技术大学 | A wind turbine blade with angled girders |
| CN105358300A (en) * | 2013-07-12 | 2016-02-24 | Lmwp专利控股有限公司 | Method and tools for manufacturing a wind turbine blade, and the manufactured blade |
-
2017
- 2017-09-29 CN CN201710907742.6A patent/CN107939596A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066747A (en) * | 2008-06-23 | 2011-05-18 | 丹麦技术大学 | A wind turbine blade with angled girders |
| CN105358300A (en) * | 2013-07-12 | 2016-02-24 | Lmwp专利控股有限公司 | Method and tools for manufacturing a wind turbine blade, and the manufactured blade |
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