CN112496671A - Installation method of megawatt wind turbine blade lightning receptor copper disc - Google Patents
Installation method of megawatt wind turbine blade lightning receptor copper disc Download PDFInfo
- Publication number
- CN112496671A CN112496671A CN202011376822.1A CN202011376822A CN112496671A CN 112496671 A CN112496671 A CN 112496671A CN 202011376822 A CN202011376822 A CN 202011376822A CN 112496671 A CN112496671 A CN 112496671A
- Authority
- CN
- China
- Prior art keywords
- copper
- lightning receptor
- polishing
- round hole
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 56
- 239000010949 copper Substances 0.000 title claims abstract description 56
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 208000025274 Lightning injury Diseases 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 206010021750 Infantile Spasms Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- 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
Abstract
The invention discloses a method for installing a copper disc of a blade lightning receptor of a megawatt wind driven generator, which comprises the following steps: firstly, determining the position of a lightning receptor by using a metal detector, perforating the shell (1), the adhesive and the copper contactor (2) by using a drill bit of M10, and then reaming by using the drill bit of M16 until the copper contactor (2) is drilled; using a phi 16 sanding head to sand the blade shell surface: trying to install the lightning receptor copper disc (3), and checking whether the outer surface of the lightning receptor copper disc (3) is flush with the surface of the blade shell (1); sealing the periphery of the expanded round hole by using an adhesive, finishing the round hole by using an M10 drill to smooth the periphery of the round hole, removing impurities in the round hole, and tapping the copper contactor (2); the lightning receptor copper disc (3) is mounted by using a pair of sharp-nosed pliers. The method has reasonable process design and strong operability, can ensure the correctness of the installation position of the copper disk lightning receptor, and can reduce the probability of the unit suffering from lightning stroke.
Description
Technical Field
The invention relates to a method for installing a copper disc of a blade lightning receptor of a megawatt wind driven generator.
Background
The wind power generation set is a device for converting wind energy into electric energy, and the blade is one of the most expensive components in the set, is used as the component with the highest installation position in the wind power generation set and is the primary target of lightning attack. Along with the continuous increase of unit power, the height of unit and the length of blade constantly increase to the unit distributes gradually high altitude, coastal and marine area, and these areas belong to many thunder district and strong thunder district mostly, and the probability that the unit suffered the thunderbolt constantly increases, and when taking place the thunderbolt, effective lightning receiving and thunder and lightning conduction have decisive influence to the safety of unit.
Therefore, it is necessary to research and design a method for installing a copper disc of a blade lightning arrester of a megawatt wind turbine on the basis of the prior art, so that the resistance of the blade lightning arrester can meet the design requirement value, the probability of lightning strike of a unit is reduced, the safety of the blade of the wind turbine is improved, and the service life of the blade of the wind turbine is prolonged.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provide the installation method of the lightning receptor copper disc of the blade of the megawatt wind driven generator, which can reduce the probability of the unit suffering from lightning stroke, improve the safety of the blade of the fan and prolong the service life of the blade of the fan.
The technical scheme is as follows: in order to realize the purpose of the invention, the technical scheme is as follows:
a method for installing a copper disc of a blade lightning receptor of a megawatt wind driven generator is characterized by comprising the following steps:
a. after the blade is demoulded, the position of a lightning receptor is determined by a metal detector, then the position is marked on the surface of the shell by a marking pen, then the shell, the adhesive and the copper contactor are punched through by a drill bit of M10, and then the drill bit of M16 is used for reaming until the copper contactor is drilled;
b. after the step a is finished, polishing the surface of the shell of the blade by using a polishing head: fixing a fixed rod of a polishing head in a phi 16 hole, polishing, forcibly pressing down the perforating machine during polishing, ensuring that the polishing surface of the polishing head is in face-to-face contact with the shell for polishing, stopping polishing for 2-3min, checking whether the polishing depth is balanced, and polishing until the polishing depth is met;
c. after the step b is finished, firstly, trial installation is carried out on the lightning receptor copper disc, whether the outer surface of the lightning receptor copper disc is flush with the surface of the blade shell is checked, and the tolerance meets the requirement (0, +2 mm); then taking out the lightning receptor copper disc which is installed in a test way;
d. sealing the periphery of the reamed round hole by using an adhesive, so that no gap is left around the reamed round hole (a sandwich material is arranged in the middle of the shell, and small gaps are left around the round hole after reaming), finishing the round hole by using an M10 drill after the adhesive is cured, so that the periphery of the round hole is smooth and regular, removing impurities in the round hole, tapping the copper contactor after drilling by using an M12 screw tap, and cleaning the impurities in the hole by using compressed air;
e. after step d, use the greasy sword of flat mouthful to bond silica gel in arrester copper dish corner, then use the sharp-nosed pliers installation arrester copper dish, guarantee in the arrester copper dish installation and laminate with the blade casing to scrape into the fillet with the greasy sword of fillet with the silica gel of extruding, clear up arrester copper dish surface and peripheral silica gel with the cotton.
In a preferred scheme, in the installation method of the lightning receptor copper disc of the megawatt wind turbine blade, in the step a, before reaming, a chord-direction positioning tool is installed firstly, so that the chord-direction positioning tool is aligned to the reaming position, and after the chord-direction positioning tool is installed, a reamer is installed on an electric drill to ream.
Preferably, in the installation method of the lightning receptor copper disc of the blade of the megawatt wind driven generator, in the step d, a coaxial positioning tool is installed before drilling, after the coaxial positioning tool is installed, a drill bit of M10 is used for trimming the round hole, after the round hole is trimmed, the coaxial positioning tool is removed, and dust in the hole is cleaned.
Has the advantages that: compared with the prior art, the invention has the following advantages:
the installation method of the megawatt wind turbine blade lightning arrester copper disc provided by the invention has the advantages of reasonable process design and strong operability, and particularly, the optimal matched tool and preparation process parameters are screened out through a large number of experiments. The method can ensure that the outer surface of the copper disc is flush with the surface of the blade shell, and can ensure the correctness of the installation position of the lightning arrester of the copper disc after the chordwise positioning tool is used.
Drawings
FIG. 1 is a schematic view of installation of a lightning receptor copper disk of a blade of a megawatt wind turbine;
FIG. 2 is a schematic view of a coaxial positioning tool for installing a lightning receptor copper disc of a megawatt wind turbine blade.
FIG. 3 is a schematic diagram of a chord-wise positioning tool for installing a lightning receptor copper disc of a megawatt wind turbine blade.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
Example 1
As shown in fig. 1 to 3, a method for installing a lightning receptor copper disk of a blade of a megawatt wind turbine includes the following steps:
a. after the blade is demoulded, the position of a lightning receptor is determined by a metal detector, then the position is marked on the surface of the shell 1 by a marking pen, and then the shell 1, the adhesive and the copper contactor 2 are punched through by a drill bit of M10; then installing a chord direction positioning tool 4, aligning the chord direction positioning tool 4 to the reaming position, installing a reamer on the electric drill after the chord direction positioning tool 4 is installed, reaming by using a drill bit of M16, and only drilling until the copper contactor 2 is reamed;
b. after the step a is finished, polishing the surface of the shell of the blade by using a polishing head: fixing a fixed rod of a polishing head in a phi 16 hole, polishing, forcibly pressing down the perforating machine during polishing, ensuring that the polishing surface of the polishing head is in face-to-face contact with the shell for polishing, stopping polishing for a period of time, checking whether the polishing depth is balanced, and polishing until the polishing depth is met;
c. after the step b is finished, firstly, trial installation is carried out on the lightning receptor copper disc (3), whether the outer surface of the lightning receptor copper disc (3) is flush with the surface of the blade shell (1) or not is checked, and the tolerance meets the requirement (0, +2 mm); then taking out the lightning receptor copper disc (3) which is installed in a test way;
d. sealing the periphery of the reamed round hole by using an adhesive, so that no gap is left around the reamed round hole, mounting a coaxial positioning tool 5 after the adhesive is cured, trimming the round hole by using an M10 drill bit after the coaxial positioning tool 5 is mounted, removing the coaxial positioning tool 5 after the round hole is trimmed, cleaning dust in the hole, tapping the copper contactor (2) after drilling by using an M12 screw tap, and cleaning impurities in the hole by using compressed air;
e. after step d, use the greasy sword of flat mouthful to bond silica gel in 3 corners of arrester copper dish, then use sharp-nosed pliers installation arrester copper dish 3, guarantee in the 3 installation of arrester copper dish to laminate with the blade casing to scrape into the fillet with the greasy sword of fillet with the silica gel of extruding, clear up 3 surfaces of arrester copper dish and peripheral silica gel with the cotton.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A method for installing a copper disc of a blade lightning receptor of a megawatt wind driven generator is characterized by comprising the following steps:
a. after the blade is demoulded, the position of a lightning receptor is determined by a metal detector, then the position is marked on the surface of the shell (1) by a marking pen, then the shell (1), the adhesive and the copper contactor (2) are punched through by an M10 drill bit, and then the M16 drill bit is used for reaming until the copper contactor (2) is drilled;
b. after the step a is finished, polishing the surface of the shell of the blade by using a polishing head: fixing a fixed rod of a polishing head in a phi 16 hole, polishing, forcibly pressing down the perforating machine during polishing, ensuring that the polishing surface of the polishing head is in face-to-face contact with the shell for polishing, stopping polishing for a period of time, checking whether the polishing depth is balanced, and polishing until the polishing depth is met;
c. after the step b is finished, firstly, trial installation is carried out on the lightning receptor copper disc (3), whether the outer surface of the lightning receptor copper disc (3) is flush with the surface of the blade shell (1) or not is checked, and the tolerance meets the requirement (0, +2 mm); then taking out the lightning receptor copper disc (3) which is installed in a test way;
d. sealing the periphery of the reamed round hole by using an adhesive, so that no gap is left around the reamed round hole, finishing the round hole by using a drill bit of M10 after the adhesive is cured, flattening the periphery of the round hole, removing impurities in the round hole, tapping the drilled copper contactor (2) by using a screw tap of M12, and cleaning the impurities in the hole by using compressed air;
e. after step d, use the greasy sword of flat mouthful to bond silica gel in arrester copper dish (3) corner, then use sharp-nosed pliers installation arrester copper dish (3), guarantee in arrester copper dish (3) installation and laminate with the blade casing to scrape into the fillet with the greasy sword of fillet with the silica gel of extruding, clear up arrester copper dish (3) surface and peripheral silica gel with the cotton.
2. The method for installing the lightning receptor copper disc of the megawatt wind turbine blade as claimed in claim 1, wherein,
in the step a, before reaming, a chord direction positioning tool (4) is installed, the chord direction positioning tool (4) is aligned to the reaming position, and after the chord direction positioning tool (4) is installed, a reamer is installed on an electric drill to ream.
3. The method for installing the lightning receptor copper disc of the megawatt wind turbine blade as claimed in claim 1, wherein,
and d, mounting the coaxial positioning tool (5) before drilling, trimming the round hole by using a drill bit of M10 after the coaxial positioning tool (5) is mounted, removing the coaxial positioning tool (5) after trimming the round hole, and cleaning dust in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376822.1A CN112496671B (en) | 2020-11-30 | 2020-11-30 | Installation method of megawatt wind turbine blade lightning receptor copper disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376822.1A CN112496671B (en) | 2020-11-30 | 2020-11-30 | Installation method of megawatt wind turbine blade lightning receptor copper disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112496671A true CN112496671A (en) | 2021-03-16 |
| CN112496671B CN112496671B (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011376822.1A Active CN112496671B (en) | 2020-11-30 | 2020-11-30 | Installation method of megawatt wind turbine blade lightning receptor copper disc |
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| Country | Link |
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| CN (1) | CN112496671B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619706A (en) * | 2008-07-02 | 2010-01-06 | 西门子公司 | Wind turbine blade with lightning receptor and method for protecting the surface of a wind turbine blade |
| JP2010064171A (en) * | 2008-09-09 | 2010-03-25 | Osg Corp | Machining tool with fluid supplying hole |
| CN102434407A (en) * | 2011-12-06 | 2012-05-02 | 连云港中复连众复合材料集团有限公司 | Installation method of copper disc type lightning arrester of megawatt level wind driven generator blade |
| CN104646918A (en) * | 2015-01-16 | 2015-05-27 | 南车株洲电力机车研究所有限公司 | Replacing method for blade of wind generating set |
| CN204783475U (en) * | 2015-05-29 | 2015-11-18 | 张瑞恩 | Fan blade lightning protection device |
| CN210305839U (en) * | 2019-06-05 | 2020-04-14 | 洛阳双瑞风电叶片有限公司 | Quick installation device of wind-powered electricity generation blade tip lightning-arrest arrester |
-
2020
- 2020-11-30 CN CN202011376822.1A patent/CN112496671B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619706A (en) * | 2008-07-02 | 2010-01-06 | 西门子公司 | Wind turbine blade with lightning receptor and method for protecting the surface of a wind turbine blade |
| JP2010064171A (en) * | 2008-09-09 | 2010-03-25 | Osg Corp | Machining tool with fluid supplying hole |
| CN102434407A (en) * | 2011-12-06 | 2012-05-02 | 连云港中复连众复合材料集团有限公司 | Installation method of copper disc type lightning arrester of megawatt level wind driven generator blade |
| CN104646918A (en) * | 2015-01-16 | 2015-05-27 | 南车株洲电力机车研究所有限公司 | Replacing method for blade of wind generating set |
| CN204783475U (en) * | 2015-05-29 | 2015-11-18 | 张瑞恩 | Fan blade lightning protection device |
| CN210305839U (en) * | 2019-06-05 | 2020-04-14 | 洛阳双瑞风电叶片有限公司 | Quick installation device of wind-powered electricity generation blade tip lightning-arrest arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112496671B (en) | 2022-01-25 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211230 Address after: 110027 No. 6, 15th Street, Shenyang Economic and Technological Development Zone, Liaoning Province Applicant after: Zhongfu Lianzhong(Shenyang ) Composites Co.,Ltd. Address before: 839000 Guangdong Industrial Park, Yizhou District, Hami, the Xinjiang Uygur Autonomous Region Applicant before: ZHONGFU LIANZHONG (HAMI) COMPOSITES CO.,LTD. |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231013 Address after: No. 17 Zhenhua East Road, Lianyungang High tech Industrial Development Zone, Lianyungang City, Jiangsu Province, 222069 Patentee after: LIANYUNGANG ZHONGFU LIANZHONG COMPOSITES GROUP Co.,Ltd. Address before: 110027 No. 6, 15th Street, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee before: Zhongfu Lianzhong(Shenyang ) Composites Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231103 Address after: 9th Floor, Block C, Building B6, Dongsheng Science and Technology Park, No. 66 Xixiaokou Road, Haidian District, Beijing, 100192 Patentee after: SINOMATECH WIND POWER BLADE Co.,Ltd. Address before: No. 17 Zhenhua East Road, Lianyungang High tech Industrial Development Zone, Lianyungang City, Jiangsu Province, 222069 Patentee before: LIANYUNGANG ZHONGFU LIANZHONG COMPOSITES GROUP Co.,Ltd. |