CN110774618A - A fill structure fast for combined material wind-powered electricity generation blade girder cap - Google Patents
A fill structure fast for combined material wind-powered electricity generation blade girder cap Download PDFInfo
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- CN110774618A CN110774618A CN201911222623.2A CN201911222623A CN110774618A CN 110774618 A CN110774618 A CN 110774618A CN 201911222623 A CN201911222623 A CN 201911222623A CN 110774618 A CN110774618 A CN 110774618A
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- film
- flow guide
- cloth
- net
- guide net
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- 239000000463 material Substances 0.000 title claims description 6
- 230000005611 electricity Effects 0.000 title claims description 4
- 239000004744 fabric Substances 0.000 claims abstract description 38
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007373 indentation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000010412 perfusion Effects 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract 2
- 238000002955 isolation Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 150000002605 large molecules Chemical class 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B29C70/36—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 impregnating by casting, e.g. vacuum casting
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a quick filling structure for a composite wind power blade main beam cap, which comprises a first flow guide net, a first isolating membrane, first demolding cloth, second demolding cloth, a second isolating membrane, an air exhaust bag, a second flow guide net, a filling pipeline, an indentation-proof base plate and a mold. The rapid filling structure for the composite material wind power blade main beam cap is simple in structure and convenient to operate, and only glue solution needs to be injected from a filling pipeline, so that the filling speed is greatly improved.
Description
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to a quick filling structure for a composite material wind power blade main beam cap.
Background
The spar cap is the core component of the composite wind turbine blade that bears and transmits loads. As blade power ratings increase, spar cap products also grow larger in thickness and width, but this does not facilitate the pouring of spar cap products. The process flow commonly adopted in the current industry is that a single-layer or double-layer flow guide net is placed on the upper surface after the layering of a main beam cap is finished, air is pumped from one side of the main beam cap in a chord direction, and the other side is poured, so that the pouring time is long, and the effect quality is poor; the problems of white hair, dry fiber and the like frequently occur, and the production efficiency and the quality are not improved easily.
Disclosure of Invention
In view of the above, the invention aims to provide a rapid filling structure for a composite wind power blade girder cap, so as to provide a rapid filling structure which has short filling time and good filling quality and effectively avoids the problems of whitening of products and dry fibers.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a structure of filling fast for combined material wind-powered electricity generation blade girder cap, including first water conservancy diversion net, first barrier film, first drawing of patterns cloth, second drawing of patterns cloth, the second barrier film, take out the air pocket, second water conservancy diversion net, the filling pipe way, prevent indentation backing plate and mould, first water conservancy diversion net is laid in proper order from bottom to top in the top of mould, first barrier film, first drawing of patterns cloth, girder cap cloth layer, second drawing of patterns cloth, second barrier film and second water conservancy diversion net, the middle part of second water conservancy diversion net top sets up prevents the indentation backing plate, it sets up the filling pipe way to prevent indentation backing plate top, one takes out the air pocket to place respectively in the both sides of mould, the bag of bleeding is located second barrier film top.
Furthermore, the cross section of the die is of a U-shaped structure and comprises a base and flanges fixedly connected with the two sides of the base.
Furthermore, the widths of the first flow guide net, the first isolation film, the first demolding cloth, the second isolation film and the second flow guide net are sequentially decreased progressively, and the lengths of the first flow guide net, the first isolation film, the first demolding cloth, the second isolation film and the second flow guide net are the same as the length of the base.
Further, the width of the second flow guide net is smaller than that of the base.
Furthermore, the widths of the first flow guide net, the first isolation film, the first demolding cloth, the second demolding cloth and the second isolation film are all larger than the width of the base and smaller than the total width of the mold.
Furthermore, the indentation-preventing base plate is provided with an opening type indentation-preventing base plate.
Furthermore, the air exhaust bag comprises a VAP film, an air exhaust bag flow guide net and a vacuum bag, the air exhaust bag flow guide net is arranged between the VAP film and the vacuum bag, the VAP film and the vacuum bag are arranged in a sealing mode, an air exhaust opening is formed in the sealing mode, a tee joint is installed at the top end of the air exhaust opening to form a tee joint air exhaust opening, the tee joint air exhaust opening is used for being connected to the vacuum pump through an air exhaust pipe, and the outer side of the VAP film is placed above the second isolation film.
Further, the VAP film and the vacuum bag are sealed through a sealing rubber strip or a sealing machine.
Compared with the prior art, the quick pouring structure for the composite material wind power blade main beam cap has the following advantages:
(1) according to the rapid filling structure for the main beam cap of the composite material wind power blade, the filling pipeline is placed in the center of the cloth layer of the main beam cap, so that the product is filled from the middle to the two sides of the product, and the filling time is shortened by more than half.
(2) According to the rapid filling structure for the composite material wind power blade main beam cap, the arranged air pumping bag uses the VAP film to replace a spiral pipe for pumping air, so that large molecules such as filling resin are prevented from being pumped out of a product area, meanwhile, air bubbles and other small molecules which are not beneficial to product quality are pumped out of the product area, and the filling quality of products is improved.
(3) The rapid filling structure for the composite material wind power blade main beam cap is simple in structure and convenient to operate, and only glue solution needs to be injected from a filling pipeline, so that the filling speed is greatly improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a rapid pouring structure for a composite wind turbine blade spar cap according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view of an air evacuation bag in accordance with an embodiment of the present invention;
fig. 3 is a top view of an indentation prevention pad according to an embodiment of the present invention.
Description of reference numerals:
1-a first flow directing network; 2-a first barrier film; 3-a first release fabric; 4-a second release fabric; 5-a second barrier film; 6-air exhaust bag; 61-VAP film; 62-a flow guide net of the air extraction bag; 63-vacuum bag; 7-a second flow guiding net; 8-a perfusion tube; 9-indentation-preventing backing plate; 10-a mould; 101-a base; 102-a flange; 11-a spar cap ply.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A rapid pouring structure for a composite wind power blade main beam cap is shown in figures 1 to 3 and comprises a first flow guide net 1, a first isolation film 2, a first demoulding cloth 3, a second demoulding cloth 4, a second isolation film 5, an air exhaust bag 6 and a second flow guide net 7, pouring pipe 8, prevent indentation backing plate 9 and mould 10, the cross section of mould 10 is U type structure, flange 102 including base 101 and both sides, first water conservancy diversion net 1 is laid in proper order from bottom to top in the top of mould 10, first barrier film 2, first drawing of patterns cloth 3, girder cap cloth layer 11, second drawing of patterns cloth 4, second barrier film 5 and second water conservancy diversion net 7, the middle part of second water conservancy diversion net 7 top sets up prevents indentation backing plate 9, prevent that indentation backing plate 9 top sets up pouring pipe 8, an air exhaust bag 6 is placed respectively to the both sides of mould 10, air exhaust bag 6 is located second barrier film 5 top.
The main beam cap cloth layer 11 is paved with the flow guide net and the filling auxiliary materials up and down, the filling pipeline 8 is placed at the center of the main beam cap cloth layer 11, filling is carried out from the middle to the two sides of the product, and the filling time is shortened by more than half.
The widths of the first flow guide net 1, the first isolating film 2, the first demolding cloth 3, the second demolding cloth 4, the second isolating film 5 and the second flow guide net 7 are sequentially decreased progressively, and the lengths of the first flow guide net 1, the first isolating film 2, the first demolding cloth 3, the second demolding cloth 4, the second isolating film 5 and the second flow guide net 7 are the same as that of the base 101.
The width of the second flow guiding net 7 is smaller than the width of the base 101.
The widths of the first flow guide net 1, the first isolation film 2, the first demolding cloth 3, the second demolding cloth 4 and the second isolation film 5 are all larger than the width of the base 101 and smaller than the total width of the mold 10.
The indentation-proof backing plate 9 is provided with an open hole type indentation-proof backing plate for forming an indentation on the filling pipeline 8 under the vacuum action.
The air pumping bag 6 comprises a VAP film 61, an air pumping bag flow guide net 62 and a vacuum bag 63, the air pumping bag flow guide net 62 is arranged between the VAP film 61 and the vacuum bag 63, the VAP film 61 and the vacuum bag 63 are sealed through a sealing rubber strip or a sealing machine, an air pumping hole is formed during sealing, a tee joint is arranged at the top end of the air pumping hole to form a tee joint air pumping hole, and one side of the VAP film 61 is placed above the second isolation film 5; the position of the air exhaust opening is connected with a vacuum pump by using an air exhaust pipe to realize air exhaust. The air pumping bag 6 is used for replacing a spiral tube to pump air, so that air bubbles and other small molecules which are not beneficial to the product quality are pumped out of the product area while the situation that the large molecules such as the filling resin are pumped out of the product area is avoided, and the filling quality of the product is improved.
The first flow guide net 1 and the second flow guide net 7 effectively prevent glue from entering the cloth layer and have an exhaust effect.
The first separating film 2 and the second separating film 5 are used for separating and homogenizing the flow rate of glue solution.
The first and second release cloths 3 and 4 function to form a rough surface of the product.
The material of the filling pipe 8 is an ohmic pipe.
A use method of a rapid pouring structure for a composite material wind power blade main beam cap is as follows:
the glue solution that will need to fill pours into the pipeline 8 into, and the glue solution gets into second water conservancy diversion net 7 through the through-hole on preventing indentation backing plate 9 along pouring into 8 bottoms of pipeline, then flows into downwards in proper order, simultaneously, starts the vacuum pump for the vacuum pump is bled through taking out air bag 6, accomplishes the quick pouring of product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a structure of filling fast for combined material wind-powered electricity generation blade girder cap which characterized in that: including first water conservancy diversion net, first barrier film, first drawing of patterns cloth, second drawing of patterns cloth, the second barrier film, take out the air pocket, the second water conservancy diversion net, the filling pipe, prevent indentation backing plate and mould, first water conservancy diversion net is laid in proper order from bottom to top in the top of mould, first barrier film, first drawing of patterns cloth, girder cap cloth layer, second drawing of patterns cloth, second barrier film and second water conservancy diversion net, the middle part of second water conservancy diversion net top sets up prevents the indentation backing plate, it sets up the filling pipe to prevent indentation backing plate top, one is placed respectively to the both sides of mould and is taken out the air pocket, it is located the second barrier film top to pump out the air pocket.
2. The rapid perfusion structure for a composite wind blade spar cap of claim 1, wherein: the cross section of the die is of a U-shaped structure and comprises a base and flanges fixedly connected with the two sides of the base.
3. The rapid perfusion structure for a composite wind blade spar cap of claim 2, wherein: the widths of the first flow guide net, the first isolating film, the first demolding cloth, the second isolating film and the second flow guide net are sequentially decreased progressively, and the lengths of the first flow guide net, the first isolating film, the first demolding cloth, the second demolding cloth and the second flow guide net are the same as the length of the base.
4. The rapid perfusion structure for a composite wind blade spar cap of claim 3, wherein: the width of the second flow guide net is smaller than that of the base.
5. The rapid perfusion structure for a composite wind blade spar cap of claim 2, wherein: the widths of the first flow guide net, the first isolating film, the first demolding cloth, the second demolding cloth and the second isolating film are all larger than the width of the base and smaller than the total width of the mold.
6. The rapid perfusion structure for a composite wind blade spar cap of claim 1, wherein: the indentation-proof backing plate is provided with a hole type indentation-proof backing plate.
7. The rapid perfusion structure for a composite wind blade spar cap of claim 1, wherein: the air pumping bag comprises a VAP film, an air pumping bag flow guide net and a vacuum bag, the air pumping bag flow guide net is arranged between the VAP film and the vacuum bag, the VAP film and the vacuum bag are arranged in a sealing mode, an air pumping hole is formed in the sealing mode, a tee joint is installed at the top end of the air pumping hole to form a tee joint air pumping hole, the tee joint air pumping hole is used for being connected to a vacuum pump through an air pumping pipe, and the outer side of the VAP film is placed above the second.
8. The rapid perfusion structure for a composite wind blade spar cap of claim 1, wherein: the VAP film and the vacuum bag are sealed through a sealing rubber strip or a sealing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911222623.2A CN110774618B (en) | 2019-12-03 | 2019-12-03 | Rapid pouring structure for main girder cap of composite wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911222623.2A CN110774618B (en) | 2019-12-03 | 2019-12-03 | Rapid pouring structure for main girder cap of composite wind power blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110774618A true CN110774618A (en) | 2020-02-11 |
| CN110774618B CN110774618B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911222623.2A Active CN110774618B (en) | 2019-12-03 | 2019-12-03 | Rapid pouring structure for main girder cap of composite wind power blade |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140586A (en) * | 2020-09-18 | 2020-12-29 | 三一重能有限公司 | Wind power blade main beam pouring method and system |
| CN112497785A (en) * | 2020-11-20 | 2021-03-16 | 江苏双瑞风电叶片有限公司 | Wind-powered electricity generation blade girder fills and uses diversion system |
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| CN102774017A (en) * | 2011-05-12 | 2012-11-14 | 南通东泰新能源设备有限公司 | Upward flow guiding method of wind generator blade spar cap |
| CN103817955A (en) * | 2014-02-28 | 2014-05-28 | 中材科技风电叶片股份有限公司 | Manufacturing method for composite spar cap for wind power blade |
| CN104416920A (en) * | 2013-08-28 | 2015-03-18 | 上海艾郎风电科技发展有限公司 | Method for infusing wind turbine blade girder |
| CN205044192U (en) * | 2015-08-14 | 2016-02-24 | 迪皮埃复材构件（太仓）有限公司 | Dabbling air -bleed system of girder of wind -force turbogenerator blade |
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| CN109203515A (en) * | 2018-10-12 | 2019-01-15 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade and its manufacturing method |
| WO2019128020A1 (en) * | 2017-12-28 | 2019-07-04 | 江苏金风科技有限公司 | Blade assembly mold and method for manufacturing blade assembly employing the same |
| CN109968689A (en) * | 2019-04-25 | 2019-07-05 | 株洲时代新材料科技股份有限公司 | A kind of perfusion system and pouring and forming process for pre-buried type wind electricity blade blade root |
| CN211334655U (en) * | 2019-12-03 | 2020-08-25 | 东方电气（天津）风电叶片工程有限公司 | A fill structure fast for combined material wind-powered electricity generation blade girder cap |
-
2019
- 2019-12-03 CN CN201911222623.2A patent/CN110774618B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102774017A (en) * | 2011-05-12 | 2012-11-14 | 南通东泰新能源设备有限公司 | Upward flow guiding method of wind generator blade spar cap |
| CN104416920A (en) * | 2013-08-28 | 2015-03-18 | 上海艾郎风电科技发展有限公司 | Method for infusing wind turbine blade girder |
| CN103817955A (en) * | 2014-02-28 | 2014-05-28 | 中材科技风电叶片股份有限公司 | Manufacturing method for composite spar cap for wind power blade |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140586A (en) * | 2020-09-18 | 2020-12-29 | 三一重能有限公司 | Wind power blade main beam pouring method and system |
| CN112497785A (en) * | 2020-11-20 | 2021-03-16 | 江苏双瑞风电叶片有限公司 | Wind-powered electricity generation blade girder fills and uses diversion system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110774618B (en) | 2024-07-16 |
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