CN112677512A - Method for installing and positioning outer surface part of blade of wind turbine generator - Google Patents
Method for installing and positioning outer surface part of blade of wind turbine generator Download PDFInfo
- Publication number
- CN112677512A CN112677512A CN202011309927.5A CN202011309927A CN112677512A CN 112677512 A CN112677512 A CN 112677512A CN 202011309927 A CN202011309927 A CN 202011309927A CN 112677512 A CN112677512 A CN 112677512A
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- mark
- blade
- female die
- positioning
- label
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000005303 weighing Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 7
- 241000209094 Oryza Species 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003550 marker Substances 0.000 claims description 4
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009755 vacuum infusion Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
-
- 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
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- Wind Motors (AREA)
Abstract
The invention discloses a method for installing and positioning a component on the outer surface of a blade of a wind turbine generator, which comprises the steps of measuring corresponding data on the inner surface of a female die for producing the blade and drawing a mark according to chord direction and axial direction data of a component installation position or an operation position; converting the drawn mark into a permanent mark, wherein the inner surface of the mark needs to be treated smoothly; when the positions to be marked are more and close, character labels are adhered nearby, the labels are adhered to the surface of the female die, and the surface of the labels needs to be covered with small pieces of demolding cloth or an easily-torn film; for the positioning position of the lightning receptor, after the laying is finished, marking the upper surface of the cloth layer by contrasting the mark on the inner surface of the female die; the outer surface of the blade which is separated from the female die can present a raised mark corresponding to the mark of the female die, and the raised mark can be used as a direct basis for subsequent root cutting, lightning arrester installation, weighing and counterweight positioning, and only needs to be polished and smoothed before the blade leaves a factory and paint is additionally coated. The method of the invention can make the component installation and the necessary production operation be carried out quickly, simply and accurately.
Description
Technical Field
The invention relates to the technical field of wind turbine blades, in particular to a method for installing and positioning an outer surface component of a wind turbine blade.
Background
Wind energy is widely concerned as a clean and environment-friendly renewable energy source, and a wind turbine is an important device for realizing wind energy conversion, wherein a wind turbine blade is one of key components in the wind turbine.
The current mainstream manufacturing method of the wind power blade is that fiber cloth, core materials and vacuum auxiliary materials are laid in a female die of a shell and are formed by vacuum infusion and solidification, and then two half shells are glued, pressurized, solidified and demoulded. To punching type blade back end at first with the root end along the zero position cutting, still involve the location installation of key widget such as lightning arrester, vortex generator, the sawtooth piece of making an uproar that falls and weigh, the location of special positions such as apex counter weight at last.
For the parts needing to be positioned, a method is usually adopted, namely a steel ruler is pulled on the ground after the blade is demoulded, laser is applied or the part is directly measured from the blade root or the blade tip along the surface of the blade, so that not only is longer time consumed, but also the accuracy of the found position is poor.
The positioning method provided by the invention can solve the problems and quickly and accurately determine the position of the part to be installed or the position of the necessary operation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for installing and positioning a part on the outer surface of a blade of a wind turbine generator, which can quickly and accurately find the installation position of the part, the zero position of the root part, the position of a counterweight, weighing and the like after the blade is demoulded, obviously improves the on-site positioning operation efficiency and enables the part installation and necessary production operation to be quickly, simply and accurately carried out.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a method for installing and positioning an outer surface part of a wind turbine blade comprises the following steps:
1) in-mold positioning
Firstly, accurately measuring corresponding data on the inner surface of a female die used for blade production according to the chord direction and axial direction data of a component mounting position or an operating position, and drawing a mark; the female die is the basis for manufacturing the blade, the accuracy of the female die directly determines the accuracy of the blade shape, the female die is provided with a rice mark, the positions of the front edge and the rear edge are convenient to find compared with the position of a finished blade, and the female die is marked on the inner surface of the female die through the rice mark and the front edge and the rear edge and then transferred to the outer surface of the blade, so that the method is relatively accurate and is simple to operate; the component mounting positions comprise a lightning receptor mounting position, a vortex generator mounting position and a noise reduction sawtooth piece mounting position, and the operating positions comprise a counterweight position and a weighing position;
2) permanent mark setting
Converting the mark drawn in the step 1) into a permanent mark serving as a positioning position, wherein the inner surface of the mark needs to be processed smoothly, so that the resin can be conveniently removed; wherein the permanent mark is in a pit or groove small mark form, and is required not to influence the apparent mass of the blade and not to increase the workload of the surface treatment of the blade;
3) adhesive label
When the number of positions needing to be marked is large and the distance is short, a character label is adhered to the position needing to be marked, the label is adhered to the surface of the female die, and a small piece of demolding cloth or an easily-torn film needs to be covered on the surface of the label, so that the label is convenient to tear off during post-treatment;
4) blade layer
For the positioning position used for positioning the lightning arrester in the step 2), after the laying of the fiber cloth layer is finished, a mark is drawn on the upper surface of the fiber cloth layer by contrasting the mark on the inner surface of the female die, so that the lightning arrester connecting base can be conveniently positioned when the die is closed;
5) post-treatment
The outer surface of the blade after being pulled out of the female die can present a convex mark corresponding to the mark of the female die due to the existence of a pit or a groove at the mark, can be used as a direct basis for subsequent root cutting, lightning arrester installation, weighing and counterweight positioning, and finally, the blade is only required to be polished to be smooth and repainted with paint before leaving the factory.
In the step 3), the characters of the label need to face the female die, and if the surface of the label is covered with a small piece of demolding cloth, the demolding cloth is fixed by glue spraying.
In the step 4), a water-based marker is used for marking, so that the influence on the resin performance caused by the fusion of the water-based marker in the resin for filling the blade can be avoided.
In step 5), the grinding is performed by using an angle grinder and sand paper.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the method of the invention transfers the mark arranged on the inner surface of the female die to the outer surface of the blade, so that the visual mark is presented, the searching is convenient and relatively accurate, and the operation time can be saved.
2. The meter marks of the female die and the front edge and the rear edge of the female die are used as references to position the mounting position of the part or the position needing necessary operation, and compared with the position determined after the blade is demoulded, the position determining method is more accurate and reliable.
Drawings
FIG. 1 is a side view of a vane surface cross-shaped marking.
FIG. 2 is a top view of a vane surface cross-shaped marking.
FIG. 3 is a perspective view of a vane surface cross-shaped marking.
FIG. 4 is a top view of a blade surface circle type mark.
FIG. 5 is a side view of a blade surface circle type mark.
Detailed Description
The present invention will be further described with reference to the following specific examples.
The embodiment provides a method for installing and positioning an outer surface component of a blade of a wind turbine generator, which comprises the following steps:
1) in-mold positioning
Firstly, accurately measuring corresponding data on the inner surface of a female die used for blade production according to chord-wise and axial data of a component mounting position (such as a lightning receptor, a vortex generator, a noise reduction sawtooth sheet and the like) or an operating position (such as a counterweight position, a weighing position and the like) and drawing marks; the female die is a foundation for manufacturing the blade, the accuracy of the female die directly determines the accuracy of the shape of the blade, the female die is provided with a rice mark, the positions of the front edge and the rear edge are convenient to search compared with the position of a finished blade, the inner surface of the female die is marked through the rice mark and the front edge and the rear edge, and then the female die is transferred to the outer surface of the blade.
2) Permanent mark setting
The marks drawn in the step 1) are converted into permanent marks serving as positioning positions, the marks are not limited to small marks such as cross grooves and circular pits, the apparent mass of the blades is not affected, excessive workload is not added to the surface treatment of the blades, the inner surfaces of the marks need to be treated smoothly, and resin can be conveniently removed.
3) Adhesive label
When the positions needing to be marked are more in number and the distance is short, character labels such as weighing, counterweight, lightning receiving and the like can be pasted near the positions needing to be marked, the labels are pasted on the surface of the female die, the characters face the female die, small pieces of demolding cloth or easily torn films need to be covered on the surface of the labels, and if the demolding cloth is adopted, a small amount of spray glue needs to be used for fixation, so that the labels are torn off when the post-treatment is convenient.
4) Blade layer
For the positioning position for positioning the lightning receptor in the step 2), after the laying of the fiber cloth layer is finished, stroke marks can be written on the upper surface of the fiber cloth layer by water by contrasting with marks on the inner surface of the female die (the water-based writing marks are adopted to avoid influence on resin performance caused by melting in resin for filling the blade), so that the lightning receptor connection base can be conveniently positioned during die assembly.
5) Post-treatment
The outer surface of the blade after being removed from the female die can present a raised mark corresponding to the mark of the female die due to the existence of a pit or a groove at the mark, such as a cross mark 1 shown in figures 1-3 or a circular mark 2 and a corresponding label 3 shown in figures 4 and 5, the mark can be used as a direct basis for subsequent positioning of root cutting, lightning receptor installation, weighing, counterweight and the like, and finally, the blade is only required to be polished by an angle grinder and sand paper before leaving a factory and is coated with paint again.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the changes in the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. A method for installing and positioning components on the outer surface of a blade of a wind turbine generator is characterized by comprising the following steps:
1) in-mold positioning
Firstly, accurately measuring corresponding data on the inner surface of a female die used for blade production according to the chord direction and axial direction data of a component mounting position or an operating position, and drawing a mark; the female die is the basis for manufacturing the blade, the accuracy of the female die directly determines the accuracy of the blade shape, the female die is provided with a rice mark, the positions of the front edge and the rear edge are convenient to find compared with the position of a finished blade, and the female die is marked on the inner surface of the female die through the rice mark and the front edge and the rear edge and then transferred to the outer surface of the blade, so that the method is relatively accurate and is simple to operate; the component mounting positions comprise a lightning receptor mounting position, a vortex generator mounting position and a noise reduction sawtooth piece mounting position, and the operating positions comprise a counterweight position and a weighing position;
2) permanent mark setting
Converting the mark drawn in the step 1) into a permanent mark serving as a positioning position, wherein the inner surface of the mark needs to be processed smoothly, so that the resin can be conveniently removed; wherein the permanent mark is in a pit or groove small mark form, and is required not to influence the apparent mass of the blade and not to increase the workload of the surface treatment of the blade;
3) adhesive label
When the number of positions needing to be marked is large and the distance is short, a character label is adhered to the position needing to be marked, the label is adhered to the surface of the female die, and a small piece of demolding cloth or an easily-torn film needs to be covered on the surface of the label, so that the label is convenient to tear off during post-treatment;
4) blade layer
For the positioning position used for positioning the lightning arrester in the step 2), after the laying of the fiber cloth layer is finished, a mark is drawn on the upper surface of the fiber cloth layer by contrasting the mark on the inner surface of the female die, so that the lightning arrester connecting base can be conveniently positioned when the die is closed;
5) post-treatment
The outer surface of the blade after being pulled out of the female die can present a convex mark corresponding to the mark of the female die due to the existence of a pit or a groove at the mark, can be used as a direct basis for subsequent root cutting, lightning arrester installation, weighing and counterweight positioning, and finally, the blade is only required to be polished to be smooth and repainted with paint before leaving the factory.
2. The method for installing and positioning the outer surface component of the wind turbine blade according to claim 1, characterized in that: in the step 3), the characters of the label need to face the female die, and if the surface of the label is covered with a small piece of demolding cloth, the demolding cloth is fixed by glue spraying.
3. The method for installing and positioning the outer surface component of the wind turbine blade according to claim 1, characterized in that: in the step 4), a water-based marker is used for marking, so that the influence on the resin performance caused by the fusion of the water-based marker in the resin for filling the blade is avoided.
4. The method for installing and positioning the outer surface component of the wind turbine blade according to claim 1, characterized in that: in step 5), the grinding is performed by using an angle grinder and sand paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309927.5A CN112677512A (en) | 2020-11-20 | 2020-11-20 | Method for installing and positioning outer surface part of blade of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309927.5A CN112677512A (en) | 2020-11-20 | 2020-11-20 | Method for installing and positioning outer surface part of blade of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112677512A true CN112677512A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011309927.5A Pending CN112677512A (en) | 2020-11-20 | 2020-11-20 | Method for installing and positioning outer surface part of blade of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112677512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109745A (en) * | 2021-11-30 | 2022-03-01 | 中复连众（酒泉）复合材料有限公司 | Quick connecting mechanism of megawatt wind-powered electricity generation blade lightning protection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090136355A1 (en) * | 2007-09-17 | 2009-05-28 | General Electric Company | System and method for joining turbine blades |
| CN102248618A (en) * | 2010-03-25 | 2011-11-23 | 瑞能系统股份公司 | Device and partial mold for the production of rotor blades for wind power plants and methods for the production |
| CN107225777A (en) * | 2016-03-24 | 2017-10-03 | 迪皮埃复材构件（太仓）有限公司 | A kind of wind-powered blade mold for being easy to process |
| CN211343232U (en) * | 2019-07-29 | 2020-08-25 | 中材科技风电叶片股份有限公司 | Web, die for manufacturing web, and blade |
-
2020
- 2020-11-20 CN CN202011309927.5A patent/CN112677512A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090136355A1 (en) * | 2007-09-17 | 2009-05-28 | General Electric Company | System and method for joining turbine blades |
| CN102248618A (en) * | 2010-03-25 | 2011-11-23 | 瑞能系统股份公司 | Device and partial mold for the production of rotor blades for wind power plants and methods for the production |
| CN107225777A (en) * | 2016-03-24 | 2017-10-03 | 迪皮埃复材构件（太仓）有限公司 | A kind of wind-powered blade mold for being easy to process |
| CN211343232U (en) * | 2019-07-29 | 2020-08-25 | 中材科技风电叶片股份有限公司 | Web, die for manufacturing web, and blade |
Non-Patent Citations (1)
| Title |
|---|
| 颜晨等: ""大型复合材料风电叶片模具整体设计与制造技术"", 《玻璃钢/复合材料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109745A (en) * | 2021-11-30 | 2022-03-01 | 中复连众（酒泉）复合材料有限公司 | Quick connecting mechanism of megawatt wind-powered electricity generation blade lightning protection system |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210420 |
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| RJ01 | Rejection of invention patent application after publication |