CN112373063B - Wind power blade flow guiding arrangement method - Google Patents
Wind power blade flow guiding arrangement method Download PDFInfo
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- CN112373063B CN112373063B CN202011134746.3A CN202011134746A CN112373063B CN 112373063 B CN112373063 B CN 112373063B CN 202011134746 A CN202011134746 A CN 202011134746A CN 112373063 B CN112373063 B CN 112373063B
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- isolation
- glue
- flow guide
- laying
- bag film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind power blade flow guiding arrangement method, which comprises the following steps: (1) Sequentially laying a blade shell layer, a flow guide net and an isolation flow guide net on a blade shell mould from bottom to top; (2) Laying a flow guide pipe on the flow guide net, and laying an isolation glue injection pipe on the isolation flow guide net; (3) Laying an air extraction unit on the blade shell layer, wherein the air extraction unit comprises a breathable felt, an air extraction pipe and a vacuum bag film which are laid in sequence from bottom to top; (4) An adhesive blocking strip is laid on the flow guide net, and the adhesive blocking strip and the vacuum bag film form a barrier to glue solution on the glue injection side; (5) Laying two sealing rubber strips on two sides of the blade shell mold, and bonding the sealing rubber strips with the vacuum bag film and the blade shell mold; according to the invention, the glue resisting strip is arranged below the isolation glue injection pipe, and the glue solution on the glue injection side is blocked by the glue resisting strip and the isolation bag film, so that the problem of indentation of the one-way cloth on the rear edge caused by the arrangement of the isolation glue injection pipe is solved, and the good quality of the wind power blade is ensured.
Description
Technical Field
The invention relates to the technical field of wind generating sets, in particular to a wind power blade flow guiding arrangement method.
Background
In the diversion design of the sandwich one-way structure at the rear edge of the wind driven generator blade, the traditional diversion mode can cause the white spot of the sandwich structure, and an adhesive injection pipe is required to be arranged above the one-way cloth at the rear edge, and the adhesive injection pipe can cause the indentation defect of the one-way cloth at the rear edge, so that the diversion mode of the fan blade is required to be provided, the white spot phenomenon of the sandwich structure is eliminated, and the adhesive injection pipe is prevented from being arranged above the one-way cloth at the rear edge.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a wind power blade flow guide arrangement method which can not cause one-way indentation on the rear edge after glue injection.
The technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a wind power blade flow guide arrangement method which is characterized by comprising the following steps of:
(1) Sequentially laying a blade shell layer, a flow guide net and an isolation flow guide net on a blade shell mould from bottom to top;
(2) Laying a flow guide pipe on the flow guide net, and laying an isolation glue injection pipe on the isolation flow guide net;
(3) Laying an air extraction unit on the blade shell laying layer, wherein the air extraction unit comprises an air-permeable felt, an air extraction pipe and a vacuum bag film which are sequentially laid from bottom to top;
(4) An adhesive blocking strip is laid on the flow guide net, and the adhesive blocking strip and the vacuum bag film form a barrier to glue solution on the glue injection side;
(5) And two sealing rubber strips are laid on two sides of the blade shell mold, and the sealing rubber strips are bonded with the vacuum bag film and the blade shell mold.
The wind power blade flow guide arrangement method further preferably adopts the following technical scheme: the isolation flow guide net can cover the glue blocking strip and prolong the glue blocking strip after the glue blocking strip is covered, and the extending width of the isolation flow guide net is at least 20mm.
The wind power blade flow guide arrangement method further preferably adopts the following technical scheme: and the vacuum bag film positioned below the isolation flow guide net is bonded with the glue blocking strip.
The wind power blade flow guide arrangement method further preferably adopts the following technical scheme: an isolation bag film is further laid on the isolation net below the isolation glue injection pipe, the glue blocking strips are laid between the end part of the far flow guide pipe of the isolation bag film and the flow guide net, the other end of the isolation bag film is located between the flow guide pipe and the isolation glue injection pipe, and a second glue blocking strip is laid on the end part.
Compared with the prior art, the glue blocking strip is arranged below the isolation glue injection pipe, the glue solution on the glue injection side is blocked through the glue blocking strip and the isolation bag film, the problem that the indentation is generated on the unidirectional cloth on the rear edge due to the arrangement of the isolation glue injection pipe is solved, and the good quality of the wind driven generator blade is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of another structure of the present invention.
Detailed description of the preferred embodiment
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, referring to fig. 1, a wind turbine blade flow guiding arrangement method includes the following steps:
(1) Sequentially laying a blade shell layer 2, a flow guide net 5 and an isolation flow guide net 10 on a blade shell mould 1 from bottom to top;
(2) A flow guide pipe 7 is laid on the flow guide net 5, and an isolation glue injection pipe 11 is laid on the isolation flow guide net 10;
(3) Laying an air extraction unit on the blade shell laying layer 2, wherein the air extraction unit comprises an air-permeable felt 3, an air extraction pipe 4 and a vacuum bag film 12 which are sequentially laid from bottom to top;
(4) The glue blocking strip 6 is laid on the flow guide net 5, the vacuum bag film 12 positioned below the isolation flow guide net 10 is bonded with the glue blocking strip 6, the glue blocking strip 6 and the vacuum bag film 12 form a barrier to glue injection side glue, the laying width of the isolation flow guide net 10 is prolonged, the glue blocking strip 6 can be covered, and the prolonged width is 20mm;
(5) Two sealing rubber strips 13 are laid on two sides of the blade shell mold 1, and the sealing rubber strips 13 are bonded with the vacuum bag film 12 and the blade shell mold 1.
In embodiment 1, the vacuum bag film 12 located below the isolation flow guide net 10 is bonded to the glue blocking strip 6, that is, at this time, the vacuum bag film 12 is bonded to the glue blocking strip 6 and then folded again, the bottom surface of the isolation flow guide net 10 is in contact with the vacuum bag film 12 at the folded part, and the isolation glue injection pipe 11 on the isolation flow guide net 10 is formed by the folded vacuum bag film 12 to be coated;
when the device is used, the air exhaust pipe 4 is vacuumized by an external vacuum system, the guide pipe 7 is firstly opened for injecting glue, the glue moves rightwards through the blade shell laying layer 2, when the glue passes through the glue resistance strip 6 for a certain distance of 100mm, for example, the isolation glue injection pipe 11 is opened for injecting glue, the glue flows rightwards along the isolation flow guide net 10 until the glue is contacted with the flow guide net 5 and continues to move rightwards, and the arrangement of the glue resistance strip 6 enables the glue not to enter the flow guide net 5 below the isolation glue injection pipe 11, namely, the glue only moves rightwards.
(1) Sequentially laying a blade shell layer 2, a flow guide net 5 and an isolation flow guide net 10 on a blade shell mould 1 from bottom to top;
(2) A flow guide pipe 7 is laid on the flow guide net 5, and an isolation glue injection pipe 11 is laid on the isolation flow guide net 10;
(3) Laying an air extraction unit on the blade shell laying layer 2, wherein the air extraction unit comprises an air-permeable felt 3, an air extraction pipe 4 and a vacuum bag film 12 which are sequentially laid from bottom to top;
(4) The glue blocking strip 6 is laid on the flow guide net 5, the vacuum bag film 12 positioned below the isolation flow guide net 10 is adhered to the glue blocking strip 6, the glue blocking strip 6 and the vacuum bag film 12 form a block for glue solution on the glue injection side, the laying width of the isolation flow guide net 10 is prolonged, the glue blocking strip 6 can be covered, and the prolonged width is 40mm;
(5) Two sealing rubber strips 13 are laid on two sides of the blade shell mold 1, and the sealing rubber strips 13 are bonded with the vacuum bag film 12 and the blade shell mold 1.
In embodiment 2, the vacuum bag film 12 located below the isolation flow guide net 10 is bonded to the glue blocking strip 6, that is, at this time, the vacuum bag film 12 is folded again after being bonded to the glue blocking strip 6, the bottom surface of the isolation flow guide net 10 is in contact with the vacuum bag film 12 at the folded part, and the isolation glue injection pipe 11 on the isolation flow guide net 10 is coated by the folded vacuum bag film 12;
when the device is used, the air exhaust pipe 4 is vacuumized by an external vacuum system, the guide pipe 7 is opened for injecting glue, glue moves rightwards through the blade shell laying layer 2, when the glue passes through the glue resistance strip 6 for a certain distance of 100mm for example, the isolation glue injection pipe 11 is opened for injecting glue at the moment, the glue flows rightwards along the isolation guide flow net 10 until the glue is contacted with the guide flow net 5 and continues to move rightwards, and the glue cannot enter the guide flow net 5 below the isolation glue injection pipe 11 during the period, namely, the glue can only move rightwards due to the arrangement of the glue resistance strip 6.
(1) Sequentially laying a blade shell layer 2, a flow guiding net 5 and an isolation flow guiding net 10 on a blade shell mould 1 from bottom to top;
(2) A flow guide pipe 7 is laid on the flow guide net 5, an isolation glue injection pipe 11 is laid on the isolation flow guide net 10, an isolation bag film 8 is further laid on the isolation net below the isolation glue injection pipe 11, the glue blocking strip 6 is laid between the flow guide net 5 and the end part of the far flow guide pipe 7 of the isolation bag film 8, the other end of the isolation bag film 8 is located between the flow guide pipe 7 and the isolation glue injection pipe 11, and a second glue blocking strip 9 is laid on the end part;
(3) An air extraction unit is laid on the blade shell laying layer 2, and comprises a breathable felt 3, an air extraction pipe 4 and a vacuum bag film 12 which are laid in sequence from bottom to top;
(4) The glue blocking strip 6 is laid on the flow guide net 5, the glue solution on the glue injection side is blocked by the glue blocking strip 6 and the isolation bag film 8, the laying width of the isolation flow guide net 10 is prolonged, the glue blocking strip 6 can be covered, and the prolonged width is 20mm;
(5) Two sealing rubber strips 13 are laid on two sides of the blade shell mold 1, and the sealing rubber strips 13 are bonded with the vacuum bag film 12 and the blade shell mold 1.
In embodiment 3, the isolation bag film 8 disposed below the isolation and flow guide net 10, and the glue blocking strips 6 and the second glue blocking strips 9 disposed at two sides of the isolation bag film 8 can press the flow guide net 5 below the isolation bag film 8, so that glue does not flow onto the flow guide net 5 at the glue injection side;
when the device is used, the air exhaust pipe 4 is vacuumized by an external vacuum system, the guide pipe 7 is firstly opened for injecting glue, the glue moves rightwards through the blade shell layer 2, when the glue passes through the glue resistance strip 6 for a certain distance of 100mm, the isolation glue injection pipe 11 is opened for injecting glue at the moment, the glue flows rightwards along the isolation guide net 10 until the glue is contacted with the guide net 5 and continues to move rightwards, the second glue resistance strip 9 is tightly pressed on the isolation bag film 8 and the guide net 5, the vacuum bag film 12 is tightly pressed on the second glue resistance strip 9, the glue resistance strip 6 is tightly pressed on the guide net 5, the other end of the isolation bag film 8 is tightly pressed on the glue resistance strip 6, the guide net 5 below the isolation bag film 8 is completely blocked, and the glue can only move rightwards and can not flow onto the guide net 5 on the glue injection side;
that is to say, glue can only spread 2 slowly right flows through the blade casing to reach the purpose that fully soaks the blade casing that hinders 6 below rubber strip and spread 2, when gluing and surpassing 6 certain distance of rubber strip such as 100mm, it can to open isolation injecting glue pipe 11 this moment and carry out the injecting glue.
Embodiment 4, referring to fig. 2, a wind turbine blade flow guiding arrangement method includes the following steps:
(1) Sequentially laying a blade shell layer 2, a flow guiding net 5 and an isolation flow guiding net 10 on a blade shell mould 1 from bottom to top;
(2) Laying a flow guide pipe 7 on the flow guide net 5, laying an isolation glue injection pipe 11 on the isolation flow guide net 10, laying an isolation bag film 8 on the isolation net below the isolation glue injection pipe 11, laying the glue blocking strip 6 between the flow guide net 5 and the end part of the far flow guide pipe 7 of the isolation bag film 8, laying the other end of the isolation bag film 8 between the flow guide pipe 7 and the isolation glue injection pipe 11, and laying a second glue blocking strip 9 on the end part;
(3) An air extraction unit is laid on the blade shell laying layer 2, and comprises a breathable felt 3, an air extraction pipe 4 and a vacuum bag film 12 which are laid in sequence from bottom to top;
(4) The glue blocking strip 6 is laid on the flow guide net 5, the glue solution on the glue injection side is blocked by the glue blocking strip 6 and the isolation bag film 8, the laying width of the isolation flow guide net 10 is prolonged, the glue blocking strip 6 can be covered, and the prolonged width is 40mm;
(5) Two sealing rubber strips 13 are laid on two sides of the blade shell mold 1, and the sealing rubber strips 13 are bonded with the vacuum bag film 12 and the blade shell mold 1.
In embodiment 4, the isolation bag film 8 disposed below the isolation flow guide net 10, and the glue blocking strips 6 and the second glue blocking strips 9 disposed at two sides of the isolation bag film 8 can press the flow guide net 5 below the isolation bag film 8, so that the glue does not flow onto the flow guide net 5 at the glue injection side;
when the device is used, the air exhaust pipe 4 is vacuumized by an external vacuum system, the guide pipe 7 is firstly opened for injecting glue, the glue moves rightwards through the blade shell layer 2, when the glue passes through the glue resistance strip 6 for a certain distance of 100mm for example, the isolation glue injection pipe 11 is opened for injecting glue at the moment, the glue flows rightwards along the isolation guide flow net 10 until the glue is contacted with the guide flow net 5 and continues to move rightwards, the second glue resistance strip 9 is tightly pressed on the isolation bag film 8 and the guide flow net 5 in the period, the vacuum bag film 12 is tightly pressed on the second glue resistance strip 9, the glue resistance strip 6 is tightly pressed on the guide flow net 5, the other end of the isolation bag film 8 is tightly pressed on the glue resistance strip 6, and the guide flow net 5 below the isolation bag film 8 is completely blocked, so that the glue can only move rightwards and can not flow onto the guide flow net 5 on the glue injection side;
that is to say, glue can only flow to the right through blade casing shop layer 2 slowly to reach the purpose that fully soaks blade casing shop layer 2 below the glue resisting strip 6, when gluing and surpassing glue resisting strip 6 certain distance for example 100mm, it can to open isolation injecting glue pipe 11 this moment and carry out the injecting glue.
Claims (2)
1. A wind power blade flow guiding arrangement method is characterized in that: the method comprises the following steps:
(1) Sequentially laying a blade shell layer, a flow guide net and an isolation flow guide net on a blade shell mould from bottom to top, wherein the isolation flow guide net covers the glue blocking strip and prolongs the glue blocking strip after covering, and the prolonging width is at least 20mm;
(2) Laying a flow guide pipe on the flow guide net, laying an isolation glue injection pipe on the isolation flow guide net, laying an isolation bag film on the isolation net below the isolation glue injection pipe, laying a glue blocking strip between the end part of the isolation bag film far away from the flow guide pipe and the flow guide net, laying the other end of the isolation bag film between the flow guide pipe and the isolation glue injection pipe, and laying a second glue blocking strip on the end part;
(3) Laying an air extraction unit on the blade shell layer, wherein the air extraction unit comprises a breathable felt, an air extraction pipe and a vacuum bag film which are laid in sequence from bottom to top;
(4) An adhesive blocking strip is laid on the flow guide net, and the adhesive blocking strip and the vacuum bag film form a barrier to glue solution on the glue injection side;
(5) And two sealing rubber strips are laid on two sides of the blade shell mold, and the sealing rubber strips are bonded with the vacuum bag film and the blade shell mold.
2. The wind turbine blade flow guiding arrangement method according to claim 1, characterized in that: and the vacuum bag film positioned below the isolation flow guide net is bonded with the glue blocking strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134746.3A CN112373063B (en) | 2020-10-21 | 2020-10-21 | Wind power blade flow guiding arrangement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134746.3A CN112373063B (en) | 2020-10-21 | 2020-10-21 | Wind power blade flow guiding arrangement method |
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| Publication Number | Publication Date |
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| CN112373063A CN112373063A (en) | 2021-02-19 |
| CN112373063B true CN112373063B (en) | 2023-04-07 |
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| CN202011134746.3A Active CN112373063B (en) | 2020-10-21 | 2020-10-21 | Wind power blade flow guiding arrangement method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242160A (en) * | 1979-02-02 | 1980-12-30 | United Technologies Corporation | Method of winding a wind turbine blade using a filament reinforced mandrel |
| CN106142593B (en) * | 2015-04-10 | 2019-11-26 | 科思创德国股份有限公司 | The method for manufacturing article of fiber reinforced plastics |
| CN207630568U (en) * | 2017-11-06 | 2018-07-20 | 中材科技（酒泉）风电叶片有限公司 | A kind of sectional-type blade reperfusion structure |
| CN110328867B (en) * | 2019-07-05 | 2022-03-22 | 国电联合动力技术(连云港)有限公司 | Fan blade flow guide arrangement method |
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Address after: 222069 west side of Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province (south of Dongfang Avenue) Applicant after: Guoneng United Power Technology (Lianyungang) Co.,Ltd. Address before: 222000 No.88 Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Applicant before: Guodian United Power Technology (Lianyungang) Co.,Ltd. |
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