CN102963007A - Novel manufacturing process for front edge of wind power generation blade - Google Patents
Novel manufacturing process for front edge of wind power generation blade Download PDFInfo
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- CN102963007A CN102963007A CN2012104775857A CN201210477585A CN102963007A CN 102963007 A CN102963007 A CN 102963007A CN 2012104775857 A CN2012104775857 A CN 2012104775857A CN 201210477585 A CN201210477585 A CN 201210477585A CN 102963007 A CN102963007 A CN 102963007A
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- leading edge
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Abstract
The invention relates to the field of wind power generation blades, and in particular relates to a novel manufacturing process for the front edge of a wind power generation blade. The manufacturing process comprises the following steps of: 1), prefabricating a blade upper shell, fixedly connecting inner covered edge fiber cloth layers on the front edges of an upper mould and a lower mould on the front edge of the upper shell, and paving vacuum materials on the inner covered edge fiber cloth layers; 2), soaking resin into the inner covered edge cloth layers, sealing the front edges of the moulds, vacuumizing the front edges of the moulds after the moulds are assembled, and tightly adhering the inner covered edge fiber cloth layers soaked with the resin to the front edges of the upper mould shell and the lower mould shell by vacuum pressure; or, sealing the front edges of the moulds, vacuumizing the front edges of the moulds after the moulds are assembled, pouring the inner covered edge cloth layers on the front edges to finish pre-curing and post-curing. By the manufacturing process, the adhesion firmness of the blade is increased, the adhesion safety of the upper mould and the lower mould is high, and the process is simple.
Description
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Technical field
The present invention relates to the wind power generation blade field, be specifically related to the novel manufacture craft of a kind of wind power generation blade leading edge.
Background technology
Wind-power electricity generation is to utilize wind to cross blade, in the driving force of blade generation to blade, by main shaft, the generating of gear-box (the part type does not have) drive motor.Generated energy how much depend primarily on blade with the efficient of wind energy transformation driving force, the factor affecting such as that the size of transformation efficiency is subjected to is leaf, established angle, leaf weight, surface roughness.Make a general survey of the manufacturing process of whole blade, the uncertain factor in moulding of leading edge is the highest, and this is because being made as of existing blade: matched moulds again after the upper female die of blade is pre-formed respectively bonds together upper-lower casing by adhesive.
Mainly there is problem in the traditional handicraft pattern:
1: because of the relation of blade shape, the blade shell of upper female die can't be directly bonding, need to pour into together or produce one by techniques such as hand pastes afterwards to supply the bonding interior bound edge of patrix on lower die housing;
2: need a large amount of adhesives when bonding, increased unnecessary weight and the cost of blade, and because there is the interface of two kinds of materials between the glass steel shell of adhesive and blade, in transportation, lifting and running, ftracture easily;
3: because of with the interior bound edge of patrix bonding portion after completing, its angle determines, because of the factor affecting such as dislocation of patrix, usually causes the upper and lower mould can't be fully bonding when matched moulds, has serious potential safety hazard.
The present invention is by a kind of novel leading edge production method, and bonding upper and lower mould again behind matched moulds utilizes priming by vacuum with the tight upper and lower mould of glass fabric laminating, and the leading edge of finishing the upper and lower mould blade is bonding, the problem that can avoid traditional handicraft to bring fully.
Summary of the invention
Technical purpose of the present invention is to overcome the problems of the prior art, and the bonding firmness of a kind of increase blade, high, the comparatively simple novel manufacture craft of wind power generation blade leading edge of technique of the bonding degree of safety of upper and lower mould are provided.
For realizing purpose of the present invention, the technical solution used in the present invention is: the novel manufacture craft of wind power generation blade leading edge comprises the steps:
1) prefabricated blade upper shell is fixedly connected with the interior bound edge fiber layer of cloth of upper and lower mould leading edge at the leading edge locus of upper shell, and establishes vacuum material on interior bound edge fiber layer of cloth upper berth;
2) with interior bound edge layer of cloth impregnated with resin, the leading edge of sealed mold vacuumizes behind the matched moulds, by the leading edge of vacuum pressure with the tight upper and lower die housing of interior bound edge fiber cloth laminating of impregnated with resin; Or the leading edge of sealed mold, vacuumize behind the matched moulds, the interior bound edge layer of cloth of leading edge is poured into, finish precuring and rear curing.
The novel manufacture craft of aforesaid wind power generation blade leading edge, described interior bound edge fiber layer of cloth is prepreg layer of cloth or dried fiber layer of cloth.
The novel manufacture craft of aforesaid wind power generation blade leading edge is laid the vacuum bag film between leading edge and the shearing ribs.
The present invention is under the prefabricated condition of patrix housing, the interior bound edge layer of cloth of leading edge is fixed on the position of leading edge technological requirement by pasting some modes that do not affect the performance of fiberglass such as resin tape in the leading edge of patrix, and will pour into needed vacuum material and also be fixed on the desired location, by vacuumizing the interior edge-covering cloth laminating of impregnated with resin is poured in the leading edge of upper and lower mould housing or to the interior bound edge layer of cloth of leading edge behind the matched moulds, thereby reach the effect that the upper and lower mould blade inlet edge is bonding.The present invention increases the bonding firmness of blade, and the bonding degree of safety of upper and lower mould is high, and technique is comparatively simple.
Description of drawings
Fig. 1 is the schematic diagram of patrix, patrix housing, front mould, interior bound edge;
Fig. 2 is the matched moulds schematic diagram of upper and lower mould housing, interior bound edge;
Wherein, 1 mould, 2 leading edges, 3 interior bound edge fiber layer of cloths, 4 molds, 5 bed dies.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail: present embodiment is to implement under the prerequisite in technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
According to Fig. 1 and Fig. 2, the novel manufacture craft of wind power generation blade leading edge, detailed process is as follows: after the upper shell of blade is finished, leading edge 2 at upper shell, according to technological requirement, be fixedly connected with the interior bound edge fiber layer of cloth 3 of upper and lower mould leading edge 2 in corresponding position, and lay vacuum material at interior bound edge fiber layer of cloth 3.The leading edge 2 of mould 1 is carried out sealing, mould 1 is divided into mold 4 and bed die 5, finishes vacuum system behind the matched moulds, if interior bound edge fiber layer of cloth 3 is prepreg, by the leading edge 2 of vacuum pressure with the tight upper and lower mould housing of interior edge-covering cloth laminating, can reach the effect that the upper and lower mould housing is connected after the curing.If interior bound edge layer of cloth is dried fiber layer of cloth, when the vacuum condition of leading edge vacuum system reaches requirement, the interior bound edge layer of cloth of leading edge 2 is poured into, finish precuring and rear curing according to technological requirement, thereby also reach the effect with the connection of upper and lower mould housing.
The patrix housing is prefabricated, the leading edge portion of upper shell can be prefabricated can be not prefabricated yet, when not prefabricated can with the required layer of cloth of leading edge common lay with interior bound edge layer of cloth in; The interior bound edge layer of cloth and the vacuum material that connect the upper-lower casing leading edge pre-fix in the patrix leading edge; The fiber layer of cloth of interior bound edge can be prepreg, but also later stage priming by vacuum;
Between leading edge and shearing ribs, form vacuum environment by the bag film, vacuum pressure is close to the fiber layer of cloth of interior bound edge the leading edge of upper and lower mould housing, thereby reach effect that the leading edge of upper and lower mould blade is bonding (as being dried fiber layer of cloth, can reach perfusion when requiring at vacuum pressure, internally the bound edge layer of cloth pours into); In order to form airtight vacuum environment, need the mould of airtight upper female die.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. the novel manufacture craft of wind power generation blade leading edge comprises the steps:
1) prefabricated blade upper shell is fixedly connected with the interior bound edge fiber layer of cloth of upper and lower mould leading edge at the leading edge locus of upper shell, and establishes vacuum material on interior bound edge fiber layer of cloth upper berth;
2) with interior bound edge layer of cloth impregnated with resin, the leading edge of sealed mold vacuumizes behind the matched moulds, by the leading edge of vacuum pressure with the tight upper and lower die housing of interior bound edge fiber cloth laminating of impregnated with resin; Or the leading edge of sealed mold, vacuumize behind the matched moulds, the interior bound edge layer of cloth of leading edge is poured into, finish precuring and rear curing.
2. the novel manufacture craft of wind power generation blade leading edge according to claim 1, it is characterized in that: described interior bound edge fiber layer of cloth is prepreg layer of cloth or dried fiber layer of cloth.
3. the novel manufacture craft of wind power generation blade leading edge according to claim 1 is characterized in that: lay the vacuum bag film between leading edge and the shearing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104775857A CN102963007A (en) | 2012-11-22 | 2012-11-22 | Novel manufacturing process for front edge of wind power generation blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104775857A CN102963007A (en) | 2012-11-22 | 2012-11-22 | Novel manufacturing process for front edge of wind power generation blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102963007A true CN102963007A (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104775857A Pending CN102963007A (en) | 2012-11-22 | 2012-11-22 | Novel manufacturing process for front edge of wind power generation blade |
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| CN (1) | CN102963007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437567A (en) * | 2015-10-27 | 2016-03-30 | 北京金风科创风电设备有限公司 | Blade root end forming device and method |
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| CN201592519U (en) * | 2009-12-29 | 2010-09-29 | 无锡天奇竹风科技有限公司 | Die capable of producing large-scale member with serial number |
| CN102029721A (en) * | 2010-10-26 | 2011-04-27 | 昆山华风风电科技有限公司 | Glue shearing and mold clamping integrated forming process |
| CN102226446A (en) * | 2011-06-10 | 2011-10-26 | 中复连众（酒泉）复合材料有限公司 | Method for preparing megawatt fan blade shear web and auxiliary bonding angle thereof |
| CN102241140A (en) * | 2011-04-29 | 2011-11-16 | 昆山华风风电科技有限公司 | Reinforcing technology of blower fan blade inner edging die |
| CN102442001A (en) * | 2010-10-13 | 2012-05-09 | 西门子公司 | Method for manufacturing a wind turbine rotor blade |
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- 2012-11-22 CN CN2012104775857A patent/CN102963007A/en active Pending
Patent Citations (7)
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| CN101767463A (en) * | 2009-12-29 | 2010-07-07 | 无锡天奇竹风科技有限公司 | Vacuum material module for fast demoulding and application thereof |
| CN201592519U (en) * | 2009-12-29 | 2010-09-29 | 无锡天奇竹风科技有限公司 | Die capable of producing large-scale member with serial number |
| CN102442001A (en) * | 2010-10-13 | 2012-05-09 | 西门子公司 | Method for manufacturing a wind turbine rotor blade |
| CN102029721A (en) * | 2010-10-26 | 2011-04-27 | 昆山华风风电科技有限公司 | Glue shearing and mold clamping integrated forming process |
| CN102241140A (en) * | 2011-04-29 | 2011-11-16 | 昆山华风风电科技有限公司 | Reinforcing technology of blower fan blade inner edging die |
| CN102226446A (en) * | 2011-06-10 | 2011-10-26 | 中复连众（酒泉）复合材料有限公司 | Method for preparing megawatt fan blade shear web and auxiliary bonding angle thereof |
| CN102672977A (en) * | 2012-05-22 | 2012-09-19 | 昆山华风风电科技有限公司 | Technology for manufacturing inner bound edges of front brims of upper and lower shells of wind turbine blade |
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| 魏秀宾: "MW级风电叶片一体灌注合模工艺研究", 《科技创新导报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437567A (en) * | 2015-10-27 | 2016-03-30 | 北京金风科创风电设备有限公司 | Blade root end forming device and method |
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Application publication date: 20130313 |