CN102658612B - Appearance-adjustable wind-powered blade forming mold and deformation method thereof - Google Patents
Appearance-adjustable wind-powered blade forming mold and deformation method thereof Download PDFInfo
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- CN102658612B CN102658612B CN201210172264.6A CN201210172264A CN102658612B CN 102658612 B CN102658612 B CN 102658612B CN 201210172264 A CN201210172264 A CN 201210172264A CN 102658612 B CN102658612 B CN 102658612B
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Abstract
The invention relates to an appearance-adjustable wind-powered blade forming mold and a deformation method thereof. The mold comprises a support structure and an inner mold wall, and the mold is divided into a fixed section and a variable section, wherein the fixed section corresponds to a section of a root part of a blade, and the variable section corresponds to a section of a tip part of the blade; and a heat-conducting transition layer is adhered to the inner mold wall at the variable section, and a second molded surface is paved above the heat-conducting transition layer. The method comprises the following steps of: pre-preparing a heat-conducting transition layer and a second molded surface according to the shape of the blade; grinding coarse parts on the surface of the inner wall of the variable section of the mold; coating an adhesive on the inner wall of the variable section; adhering the pre-prepared heat-conducting transition layer and the pre-prepared second molded surface on the inner wall of the variable section; and heating and curing the adhesive. According to the appearance-adjustable wind-powered blade forming mold and deformation method thereof disclosed by the invention, multiple types of wind-powered blades can be produced by using a set of mold, therefore, the manufacturing cost of blades is significantly reduced, and the mold and method disclosed by the invention are more suitable for promotion and application.
Description
Technical field
The wind electricity blade that the present invention relates to technical field of wind power generation is made mould, particularly relates to a kind of wind electricity blade mould and deformation method thereof of adjustable profile.
Background technology
Along with the development of modern wind generation technology, different wind power plants has different mean wind speeds and Limit of Wind Speed, and we are referred to as different wind regime.In order to adapt to different wind regime, can configure the wind wheel blade of Multiple Type with a wind power generating set, thereby catch more wind energy in controlling overall aeroelastic load, improve wind power generating set efficiency.The blade of each model all has different length and aerodynamic appearance, blades of large-scale wind driven generator generally adopts VARTM (vacuum assisted resin transfer die casting) explained hereafter to manufacture moulding, traditional blade forming mould is all the blade that a mold can only be produced single model, in blade manufacturing cost, mould cost accounts for significant proportion (approximately 10%), has significantly increased blade cost.
As can be seen here, above-mentioned existing wind electricity blade mould, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.How to found one and can produce polytypic blade, thereby significantly reduce wind electricity blade mould and the deformation method thereof of the new adjustable profile of blade manufacturing cost, having become the current industry utmost point needs improved target.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of wind electricity blade mould and deformation method thereof of adjustable profile, makes it can produce polytypic blade, thereby significantly reduces blade manufacturing cost, overcomes the deficiency of existing mold.
For solving the problems of the technologies described above, the wind electricity blade mould of a kind of adjustable profile of the present invention, comprises supporting construction and mould inner wall, and described mould is divided into canned paragraph and variable field, wherein: a section of the corresponding root of blade of canned paragraph, a section of the corresponding blade tip of variable field; Variable field is bonded with heat conduction transition zone at mould inner wall, and lays the second profile above heat conduction transition zone; Described mould inner wall comprises zone of heating and is laid on the first profile of zone of heating top; Described zone of heating adopts the aluminium powder blending epoxy material of steel pipe support; The first described profile and the second profile adopt glass fiber reinforced epoxy resin material; Described heat conduction transition zone adopts aluminium powder blending epoxy material; Described heat conduction transition zone by adhering with epoxy resin above the first profile.
In addition, the present invention also provides a kind of deformation method of wind electricity blade mould of adjustable profile, described mould comprises supporting construction and mould inner wall, described mould is divided into canned paragraph and variable field, wherein, one section of the corresponding root of blade of canned paragraph, one section of the corresponding blade tip of variable field, variable field is bonded with heat conduction transition zone at mould inner wall, and above heat conduction transition zone, lay the second profile, described mould inner wall comprises zone of heating and is laid on the first profile of zone of heating top, described deformation method comprises the following steps: according to the prefabricated heat conduction transition zone of blade shape construction and the second profile, by crude the variable field inner wall surface polishing of mould, smear binding agent at variable field inwall, prefabricated heat conduction transition zone and the second profile are bonded on variable field inwall, binding agent is heating and curing.
As further improvement, described zone of heating adopts the aluminium powder blending epoxy material of steel pipe support; The first described profile and the second profile adopt glass fiber reinforced epoxy resin material; Described heat conduction transition zone adopts aluminium powder blending epoxy material; Described heat conduction transition zone by adhering with epoxy resin above the first profile.
Described mould adopts steel supporting construction.
Described supporting construction is formed by the steel square tubes soldering of 100mm × 100mm or 80mm × 80mm.
Described canned paragraph accounts for 70% of mould total length.
Described heat conduction transition zone is adhered to variable field inwall by the thick binding agent of 7mm.
Adopt after such design, wind electricity blade mould and the deformation method thereof of a kind of adjustable profile of the present invention, utilize a mold can produce the wind electricity blade of polytypic, thereby significantly reduced blade manufacturing cost, is more suitable for promoting the use of.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail.
Fig. 1 is the structural representation of the wind electricity blade mould of a kind of adjustable profile of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the canned paragraph cross section structure schematic diagram of the wind electricity blade mould of the adjustable profile of the present invention.
Fig. 4 is the variable field cross section structure schematic diagram of the wind electricity blade mould of the adjustable profile of the present invention.
Fig. 5 is the structure for amplifying schematic diagram at D place in Fig. 4.
Detailed description of the invention
Refer to shown in Fig. 1-5, the wind electricity blade mould of a kind of adjustable profile of the present invention, comprises supporting construction 1 and mould inner wall, and can be divided into canned paragraph and variable field, a section of the corresponding root of blade of canned paragraph, a section of the corresponding blade tip of variable field.Variable field is bonded with heat conduction transition zone 5 at mould inner wall, and above heat conduction transition zone 5, lays the second profile 6.Preferably, the length of canned paragraph accounts for 70% of mould total length.
Specifically, mould of the present invention adopts steel supporting construction, is formed by the steel square tubes soldering of 100mm × 100mm or 80mm × 80mm.
Mould inner wall comprises zone of heating 2 and is laid on the first profile 3 of zone of heating 2 tops.Preferably, zone of heating 2 jointly solidifies and forms, the first profile 3 preferred glass fibers reinforced epoxy materials by copper pipe and the epoxy resin that is mixed with aluminium powder.
Heat conduction transition zone 5 adopts aluminium powder and epoxy resin jointly to solidify institute and forms, and is bonded in the first profile top by epoxy adhesive 4, and the second profile 6 adopts glass fiber reinforced epoxy resin material.Preferably, the thickness of binding agent 4 is 7mm.
The a set of main mould of the present invention can be joined multiple variable field and be realized the different aerodynamic configuration wind wheel blades of production, the variable field of mould original state does not comprise bonding agent 4, heat conduction transition zone 5 and the second profile 6, in the time need to changing the model of this main mould production blade, just need to be out of shape variable field, concrete operation step is as follows: according to the prefabricated heat conduction transition zone of blade shape construction and the second profile; By the variable field inwall of mould, the first profile 3 surface finish are crude; In the first profile 3, smear binding agent 4; Prefabricated heat conduction transition zone 5 and the second profile 6 are bonded in the first profile 3; Binding agent 4 is heating and curing.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (7)
1. a wind electricity blade mould for adjustable profile, comprises supporting construction and mould inner wall, it is characterized in that described mould is divided into canned paragraph and variable field, wherein:
One section of the corresponding root of blade of canned paragraph, a section of the corresponding blade tip of variable field;
Variable field is bonded with heat conduction transition zone at mould inner wall, and lays the second profile above heat conduction transition zone;
Described mould inner wall comprises zone of heating and is laid on the first profile of zone of heating top;
Described zone of heating adopts the aluminium powder blending epoxy material of steel pipe support;
The first described profile and the second profile adopt glass fiber reinforced epoxy resin material;
Described heat conduction transition zone adopts aluminium powder blending epoxy material;
Described heat conduction transition zone by adhering with epoxy resin above the first profile.
2. the deformation method of the wind electricity blade mould of an adjustable profile, it is characterized in that, described mould comprises supporting construction and mould inner wall, described mould is divided into canned paragraph and variable field, wherein, one section of the corresponding root of blade of canned paragraph, one section of the corresponding blade tip of variable field, variable field is bonded with heat conduction transition zone at mould inner wall, and above heat conduction transition zone, lay the second profile, described mould inner wall comprises zone of heating and is laid on the first profile of zone of heating top, and described deformation method comprises the following steps:
According to the prefabricated heat conduction transition zone of blade shape construction and the second profile;
By crude the variable field inner wall surface polishing of mould;
Smear binding agent at variable field inwall;
Prefabricated heat conduction transition zone and the second profile are bonded on variable field inwall;
Binding agent is heating and curing.
3. the deformation method of the wind electricity blade mould of adjustable profile according to claim 2, is characterized in that:
Described zone of heating adopts the aluminium powder blending epoxy material of steel pipe support;
The first described profile and the second profile adopt glass fiber reinforced epoxy resin material;
Described heat conduction transition zone adopts aluminium powder blending epoxy material;
Described heat conduction transition zone by adhering with epoxy resin above the first profile.
4. the deformation method of the wind electricity blade mould of adjustable profile according to claim 2, is characterized in that described mould adopts steel supporting construction.
5. the deformation method of the wind electricity blade mould of adjustable profile according to claim 4, is characterized in that described supporting construction is formed by the steel square tubes soldering of 100mm × 100mm or 80mm × 80mm.
6. the deformation method of the wind electricity blade mould of adjustable profile according to claim 2, is characterized in that described canned paragraph accounts for 70% of mould total length.
7. the deformation method of the wind electricity blade mould of adjustable profile according to claim 2, is characterized in that described heat conduction transition zone is adhered to variable field inwall by the thick binding agent of 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210172264.6A CN102658612B (en) | 2012-05-29 | 2012-05-29 | Appearance-adjustable wind-powered blade forming mold and deformation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210172264.6A CN102658612B (en) | 2012-05-29 | 2012-05-29 | Appearance-adjustable wind-powered blade forming mold and deformation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658612A CN102658612A (en) | 2012-09-12 |
| CN102658612B true CN102658612B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210172264.6A Expired - Fee Related CN102658612B (en) | 2012-05-29 | 2012-05-29 | Appearance-adjustable wind-powered blade forming mold and deformation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393515B (en) * | 2016-10-20 | 2018-11-13 | 西安爱生技术集团公司 | Empennage twin beams box section entirety co-curing molding tooling that composite material is straight |
| CN109099852B (en) * | 2018-07-11 | 2019-10-29 | 上海大学 | Structural fault detection method and system for measuring relative deformation of wind turbine blade |
| CN110802101A (en) * | 2019-10-29 | 2020-02-18 | 中国科学院山西煤炭化学研究所 | Method for manufacturing mould by recovering all components of wind power blade through two-step method |
| CN111186053B (en) * | 2020-01-18 | 2024-07-12 | 中材科技(锡林郭勒）风电叶片有限公司 | Wind power blade second bonding angle mold and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19833869C1 (en) * | 1998-07-22 | 2000-03-30 | Euros Entwicklungsgesellschaft | Sectional mold for wind power rotor blade made of fiber-reinforced resin, produces blades of differing size and improved aerodynamic efficiency, avoiding cost of stocking one mold per blade |
| CN101439559A (en) * | 2008-12-22 | 2009-05-27 | 中材科技风电叶片股份有限公司 | Heating layer and heating method of megawatt level wind-powered blade mold |
| CN202764077U (en) * | 2012-05-29 | 2013-03-06 | 国电联合动力技术有限公司 | Appearance-adjustable forming mold for wind power vane |
-
2012
- 2012-05-29 CN CN201210172264.6A patent/CN102658612B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19833869C1 (en) * | 1998-07-22 | 2000-03-30 | Euros Entwicklungsgesellschaft | Sectional mold for wind power rotor blade made of fiber-reinforced resin, produces blades of differing size and improved aerodynamic efficiency, avoiding cost of stocking one mold per blade |
| CN101439559A (en) * | 2008-12-22 | 2009-05-27 | 中材科技风电叶片股份有限公司 | Heating layer and heating method of megawatt level wind-powered blade mold |
| CN202764077U (en) * | 2012-05-29 | 2013-03-06 | 国电联合动力技术有限公司 | Appearance-adjustable forming mold for wind power vane |
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| CN102658612A (en) | 2012-09-12 |
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Effective date of registration: 20170502 Address after: 071024 Baoding wind energy street, Hebei, No. 88 Patentee after: GUODIAN UNITED POWER TECHNOLOGY (BAODING) Co.,Ltd. Address before: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee before: GUODIAN UNITED POWER TECHNOLOGY Co.,Ltd. |
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Address after: 071051 No.88, Fengfeng street, high tech Development Zone, Baoding City, Hebei Province Patentee after: Guoneng United Power Technology (Baoding) Co.,Ltd. Address before: 071024 No. 88, Fengfeng street, Baoding City, Hebei Province Patentee before: GUODIAN UNITED POWER TECHNOLOGY (BAODING) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 |