CN203141853U - Wind turbine blade mould capable of making different blade roots - Google Patents
Wind turbine blade mould capable of making different blade roots Download PDFInfo
- Publication number
- CN203141853U CN203141853U CN2013200156650U CN201320015665U CN203141853U CN 203141853 U CN203141853 U CN 203141853U CN 2013200156650 U CN2013200156650 U CN 2013200156650U CN 201320015665 U CN201320015665 U CN 201320015665U CN 203141853 U CN203141853 U CN 203141853U
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- China
- Prior art keywords
- mould
- blade
- main body
- blade root
- wind wheel
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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
- 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
Abstract
The utility model discloses a wind turbine blade mould capable of making different blade roots. The wind turbine blade mould comprises a main mould and a blade root mould, wherein the main mould is detachably connected with the blade root mould to form a working mould body, the butt joint of the main mould and the blade root mould is defined as a segmenting surface of the working mould body, and the segmenting surface is located on any section from the root end of the working mould body to the maximal chord length of the working mould body. By adopting the mould structure, one type of main mould can be matched with different blade root moulds to meet different connecting demands. The wind turbine blade mould has the advantages of ensuring the market demands, greatly lowering the manufacturing cost of blades, improving the manufacturing quality of the wind turbine blades of wind generating sets and reducing the market risk, improving the availability of the blades and reducing the inventory of moulds.
Description
Technical field
The present invention relates to the manufacturing field of wind power plant, particularly about a kind of mfg. moulding die of wind turbines rotor blade.
Background technology
The employed wind wheel blade of wind power generating set is to be made by fiberglass or carbon fibre composite, before the wind wheel blade of making a model, need design blade integral, and be designed for the mould of making described blade simultaneously accordingly.Because the requirement difference that different wind power generating set connects for root of blade, make the blade of some specific model can not satisfy the demand of a plurality of different model wind power generating set, and in the manufacturing process of blade, blade is manufactured the mould that must rely on, and needs the different mould of respective production to produce for different blades.This large-scale mould, its manufacturing cost is bigger, and along with the increase of length of blade, the manufacturing cost of blade also increases considerably, and also makes wind-power electricity generation project finish the influence that the duration is subjected to making again mould simultaneously, and influence project progress.
At present, the leaf production mould of wind-driven generator comprises all-in-one-piece blade mold, and it comprises a patrix and a counterdie.But it is bulky because of it, the transportation difficulty, then the relevant design personnel design the leaf production mould of segmented again, this segmented mould mainly is with whole originally mould, make a section form into, after being transported to the destination, the use that temporarily each section is stitched together in use is to make needed blade.Yet the mould of above-mentioned segmented still needs the power needs according to specific wind power generating set, designs specific blade, and designs described segmented mould according to blade.Because different blades has different total lengths, torsional angle distributes, the pitch diameter of boundary curve, blade root and bolt quantity (in order to be connected with wheel hub), so the mould of above-mentioned segmented, the manufacturing cost that can't solve blade is high, the defective that the duration is long, also make mould manufacturer often need deal with different requirement of client, and make different moulds, the timely demand of supply the market can't improve the utilization rate of mould.
Summary of the invention
In order to solve the problems of the technologies described above, the inventor has accumulated the experience of being engaged in described technical field for many years, through its years of researches and discovery, though the power difference of wind power generating set, the length of needed wind wheel blade, torsional angle, the pitch diameter of the part that is connected with wheel hub and bolt quantity are also different, but as long as keep the blade body part constant, and according to the leaf root part that specifically needs to change blade, just can combination collocation go out to be applicable to the needed blade of wind power generating set of a plurality of different capacities, might not all redesign all parts of blade at every turn.Wherein alleged blade body partly refers to, maximum chord length position along blade forms a cross section, all can be referred to as the leaf root part of blade along exhibition to the part that extends to this cross section from the installation site (with the link position of wheel hub) of blade, and another part is referred to as the main part of blade.
In order to solve the existing in prior technology problem, and based on above-mentioned Heuristics, the inventor develops a kind of wind wheel blade mould of making different blade roots of the present utility model, is used for the required wind wheel blade of the different wind power generating set of corresponding making.
The technical solution of the utility model is: a main body mould and a blade root mould, dismountable the linking together of described main body mould and described blade root mould formed a work die ontology, the joint of wherein said main body mould and described blade root mould is defined as the segmentation face of work die ontology, described segmentation face at the butt of described work die ontology to described work die ontology maximum chord length and comprise on any one cross section between the maximum chord length.
Among the embodiment of the present utility model, described main body mould comprises last main body mould and the following main body mould that can fasten mutually up and down.
Among the embodiment of the present utility model, the last blade root mould that described blade root mould can fasten up and down mutually and following blade root mould.
Among the embodiment of the present utility model, described segmentation face is positioned on the cross section of described work die ontology largest chord strong point.
Among the embodiment of the present utility model, described segmentation face at the butt of described work die ontology to the cross section between the described work die ontology maximum chord length position.
Among the embodiment of the present utility model, described blade root mould is connected institute by several segmented dies respectively again with the main body mould and forms.
Among the embodiment of the present utility model, be connected with abutted flange between described blade root mould and the described main body mould.
Among the embodiment of the present utility model, the described outside and the following blade root mould of going up blade root mould and last main body mould is equipped with several chucking lugs with the following main body mould outside, described chucking lug is located at the both sides of corresponding interface and is located on the same line, and wear mutually with tightening latch, to guarantee to connect precision and air-tightness.
Among the embodiment of the present utility model, described main body mould and the last blade root mould gone up, and the blade root die-face was shiny surface under the main body mould reached down.
Utilize wind wheel blade mould of the present utility model, make blade mold adopt the segment design manufacturing, be integrally combined the production blade after the segment design manufacturing is finished, the position of segmentation can be blade root to the some cross sections between the maximum chord length.Mould from the segmentation cross section to blade tip remains unchanged, and makes (pitch diameter or bolt quantity) different blade root mould, merges with main body mould (the segmentation cross section is to the mould of blade tip) and uses, and manufactures out to be applicable to the different blades that connect.Make a model main body mould, the blade root mould that can arrange in pairs or groups different can satisfy the different demands that connect.When guaranteeing the market demand, reduce the blade manufacturing cost greatly, improve the workmanship of the wind wheel blade of wind power generating set, reduce the risk in market, to improve the availability of blade, reduce the quantity in stock of mould.
Description of drawings
Fig. 1 is preferred embodiment exploded view of the utility model.
Fig. 2 is the exploded view of another embodiment of the present utility model.
Fig. 3 is blade root mould and the last main body mould connection diagram of going up of the present utility model
The specific embodiment
Below in conjunction with the embodiments to detailed description of the present utility model.
As shown in Figure 1, be first embodiment of the present utility model, its work die ontology 1 comprises a blade root mould 11 and main body mould 12, and blade root mould 11 links together removably with main body mould 12, to produce the blade of required model.This blade root mould 11 comprises a last blade root mould 111 and the following blade root mould 112 that can fasten mutually, and this main body mould 12 comprises a last main body mould 121 and the following main body mould 122 that can fasten mutually.Should go up removably links together between blade root mould 111 and the last main body mould 121 constitutes a part of the upper die, and removably linking together between this time blade root mould 112 and the following main body mould 122 constitutes a part of the lower die.During use, described upper and lower mould matched moulds formation work die ontology 1.Wherein going up the chord length H1 that the interface of blade root mould 111 and last main body mould 121 has is the maximum chord length of whole patrix, meaning is that chord length H1 is more than or equal to patrix chord length everywhere, the chord length H2 that the interface of following blade root mould 112 and following main body mould 122 has is the maximum chord length of whole counterdie, and meaning is that chord length H2 is more than or equal to counterdie chord length everywhere.Wherein, chord length H1 equals chord length H2.
Mould by above-mentioned structure, when needs are made the blade of first kind of model, then use last blade root mould 111 and the following blade root mould 112 of first kind of model, blade root mould 11 with first model that constitutes, and the blade root mould 11 combination one main body mould 12(that makes first model comprises last main body mould 121 and the following main body mould 122 of mutual fastening) the work die ontology 1 of formation first model, obtain the blade of needed first model then through processing such as sealing, injecting glue, curing, die sinking making.And when needing to make the blade of second kind of model, then use last blade root mould 111 and the following blade root mould 112 of second kind of model, with last blade root mould 111 and the following blade root mould 112 that replaces first model, to form the work die ontology 1 of second model, make the blade of second model.The assembling end of the blade of making (butt of blade root), along periphery get several installing holes or when the injecting glue moulding mode by the pre-embedded bolt cover form this several installing holes, align by the installing hole of these installing holes with the assembled portion of wheel hub, and with the bolt connection, obtain the wind wheel of required wind power generating set with assembling.
For said process, also can be according to several installing holes of blade root butt (bolt hole), the corresponding blade root mould of corresponding design makes in the process of whole blade moulding, simultaneously in these several installing holes of blade root butt one-shot forming.Connect these installing holes in the circumference that is formed centrally be pitch circle, its diameter is pitch diameter.The wind wheel blade of the different required installations of wind power generating set, its pitch diameter size is incomplete same, and how much quantity of installing hole also has other.Therefore, pitch diameter has roughly reflected the diameter of blade root butt, and the internal diameter of corresponding blade root mould.
Wherein the last blade root mould 111 of first model has different length, width variation, torsional angle, different pitch diameter, different installing hole (or pre-embedded bolt cover) with following blade root mould 112 with last blade root mould 111 and the following blade root mould 112 of second model.Whereby, have different length, boundary curve, torsional angle, pitch diameter etc. so that the work die ontology 1 that pieces together can be produced respectively, make the blade root mould 11 that same blade body mould 12 can arrange in pairs or groups different and make out the wind wheel blade of different model.
Further, also can make blade root mould 111 and last main body mould 121, following blade root mould 112 and following main body mould 122 are connected institute by several segmented dies respectively more separately and form, so more can make things convenient for mould making, transport and deposit.
And for example shown in Figure 2, second embodiment of the present utility model.The difference of second embodiment and first embodiment only is, wherein go up the chord length H1 that the interface of blade root mould 111 and last main body mould 121 has and be the maximum chord length of patrix, and the chord length H2 that has of the interface of blade root mould 112 and following main body mould 122 is not the maximum chord length of counterdie down yet.In other words, the interface that makes blade root mould 11 and main body mould 12 at the butt of whole work die ontology 1 to a cross section of working between the die ontology maximum chord length, for example, the position 1/2.
And for example shown in Figure 3, on the first embodiment scheme, further improvement is: form abutted flange 113 and 114 respectively in last blade root mould 111 and last main body mould 121 outsides, and blade root mould 112 also forms abutted flange respectively with following main body mould 122 outsides down.Form each several small-sized perforation on the abutted flange 113 and 114, pass small-sized perforation with bolt, blade root mould 111 and last main body mould 121 windings are in the same place, and blade root mould 112 also is in the same place by the abutted flange winding with following main body mould 122 down.In addition, in the interface both sides of patrix, form at least one chucking lug 3 respectively, the preferable even number chucking lug 3 that is provided with, and in interface both sides mean allocation and linearly setting.For example, shown in be 4 chucking lugs (they only being the example explanation with the patrix) among Fig. 3, pass the chucking lug 3 that is positioned at interface one side, flange face 113 and 114 and the chucking lug 3 of interface opposite side by a tightening latch 5.Whereby, with blade root mould 111 in the further increase and last main body mould 121, following blade root mould 112 and following main body mould 122 accuracy when splicing, and the air-tightness that guarantees splicing back work die ontology 1.
In addition, what need accomplish is, makes the medial surface of blade root mould 11 and main body mould 12, and the working face of the die ontology 1 of namely working is smooth surface, to satisfy the requirement of aeroperformance.
The mould of making the variable wind wheel blade of blade of the present utility model, in fact a kind of manufacture method of wind-driven generator group wind-wheel blade is provided, in blade manufacturing process, can be according to the market demand and blade designing requirement, under constant condition such as blade body part configuration design, adopt different root of blade designs, make different blade root moulds, form new blade production mould with the blade body die assembly, produce new blade, to satisfy the demand that market constantly changes, reduce the blade manufacturing cost, accelerate blade production efficiency, improve the security of blade and unit, and improve the availability of unit.
The beneficial effects of the utility model are, satisfy the requirement of a plurality of different wind electricity units by same set of main body mould prodigiosin, reduced the blade development cost, reduced the blade manufacturing cost, shortened the blade production cycle, improve blade production efficiency, also improved the utilization rate of blade mold simultaneously.
Claims (9)
1. the wind wheel blade mould that can make different blade roots, comprise: a main body mould and a blade root mould, dismountable the linking together of described main body mould and described blade root mould formed a work die ontology, it is characterized in that: the joint of described main body mould and described blade root mould is defined as the segmentation face of work die ontology, described segmentation face at the butt of described work die ontology to described work die ontology maximum chord length and comprise on any one cross section between the maximum chord length.
2. the wind wheel blade mould of making different blade roots as claimed in claim 1 is characterized in that: described main body mould comprises last main body mould and the following main body mould that can fasten mutually up and down.
3. the wind wheel blade mould of making different blade roots as claimed in claim 2 is characterized in that: the last blade root mould that described blade root mould can fasten up and down mutually and following blade root mould.
4. as claim 1 or the 3 described wind wheel blade moulds of making different blade roots, it is characterized in that: described segmentation face is positioned on the cross section of described work die ontology largest chord strong point.
5. the wind wheel blade mould of making different blade roots as claimed in claim 1 is characterized in that: described blade root mould is connected institute by several segmented dies respectively again with the main body mould and forms.
6. the wind wheel blade mould of making different blade roots as claimed in claim 4 is characterized in that: described blade root mould is connected institute by several segmented dies respectively again with the main body mould and forms.
7. the wind wheel blade mould of making different blade roots as claimed in claim 1 is characterized in that: be connected with abutted flange between described blade root mould and the described main body mould.
8. the wind wheel blade mould of making different blade roots as claimed in claim 3, it is characterized in that: the described outside and the following blade root mould of going up blade root mould and last main body mould is equipped with several chucking lugs with the following main body mould outside, described chucking lug is located at the both sides of corresponding interface and is located on the same line, and wear mutually with tightening latch, to guarantee to connect precision and air-tightness.
9. the wind wheel blade mould of making different blade roots as claimed in claim 3 is characterized in that: described main body mould and the last blade root mould gone up, and down the main body mould and down the blade root die-face be shiny surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200156650U CN203141853U (en) | 2013-01-11 | 2013-01-11 | Wind turbine blade mould capable of making different blade roots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200156650U CN203141853U (en) | 2013-01-11 | 2013-01-11 | Wind turbine blade mould capable of making different blade roots |
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| Publication Number | Publication Date |
|---|---|
| CN203141853U true CN203141853U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200156650U Expired - Lifetime CN203141853U (en) | 2013-01-11 | 2013-01-11 | Wind turbine blade mould capable of making different blade roots |
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| Country | Link |
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| CN (1) | CN203141853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780485A (en) * | 2021-03-02 | 2021-05-11 | 三一重能股份有限公司 | Wind power blade design method and device |
-
2013
- 2013-01-11 CN CN2013200156650U patent/CN203141853U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780485A (en) * | 2021-03-02 | 2021-05-11 | 三一重能股份有限公司 | Wind power blade design method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191122 Address after: 100176 no.1609, floor 13, building 67, yard 2, Jingyuan North Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Xinye New Energy Technology Co.,Ltd. Address before: 100176, No. 67, building two, Garden North Street, Beijing Economic Development Zone Patentee before: Zhuang Yuexing |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |