CN108087211A - Blade of wind-driven generator and the wind-driven generator for including it - Google Patents
Blade of wind-driven generator and the wind-driven generator for including it Download PDFInfo
- Publication number
- CN108087211A CN108087211A CN201711478893.0A CN201711478893A CN108087211A CN 108087211 A CN108087211 A CN 108087211A CN 201711478893 A CN201711478893 A CN 201711478893A CN 108087211 A CN108087211 A CN 108087211A
- Authority
- CN
- China
- Prior art keywords
- limiting section
- structure glue
- wind
- glue gasket
- driven generator
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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 kind of blade of wind-driven generator and the wind-driven generators for including it.Blade of wind-driven generator includes：Crossbeam；Two webs, are connected with crossbeam, and web includes core and lower flange, lower flange are connected to the one side of core；Conner reinforcement, the corner portion formed positioned at lower flange and core, and be all connected with lower flange and core；Web doubler is connected between two webs；Structure glue gasket, web are connected by structure glue gasket with crossbeam；Upper limit part, is fixedly arranged on the one side away from lower flange of core, and is connected to the outer surface of structure glue gasket；And lower limit part, crossbeam is fixedly arranged on, and is connected to the outer surface of structure glue gasket.It is mutually located by upper limit part, lower limit part realization web with structure glue gasket, structure glue gasket can be glued by minimal amount of glue in web and crossbeam, can ensure the reliability being glued；Meanwhile Conner reinforcement, web doubler can also enhance the structure of corresponding region.
Description
Technical field
The present invention relates to a kind of blade of wind-driven generator and the wind-driven generators for including it.
Background technology
In the production process of blade of MW class wind turbine industrialization, the connection of the web, crossbeam of blade need into
Row execute-in-place.It is generally necessary to web and crossbeam are glued together by a certain amount of glue, and between web and crossbeam between
The thickness of gap, i.e. glue, is merely able to hand-guided, and the controllability for causing gap is low, and the uniformity in gap is difficult to be protected.Work as abdomen
The lower flange of plate and the gap of crossbeam are excessive or too small, then seriously affect the bonding property of web.It is preferable to ensure under web
The uniformity consistency in the gap between flange and crossbeam for promoting blade of wind-driven generator quality, further promotes wind-force hair
The quality of motor has more great meaning.Meanwhile the intensity of blade of wind-driven generator everywhere is also to weigh the pass of its quality
Key factor.
The content of the invention
The technical problem to be solved by the present invention is in order to overcome the defects of the prior art, provide a kind of wind-driven generator leaf
Piece and the wind-driven generator for including it.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of blade of wind-driven generator, feature be, including：
Crossbeam；
Two webs are connected with the crossbeam, and the web includes core and lower flange, and the lower flange is connected to described
The one side of core；
Conner reinforcement, the corner portion formed positioned at the lower flange and the core, and with the lower flange and institute
Core is stated to be all connected with；
Web doubler is connected between two webs；
Structure glue gasket, the web are connected by the structure glue gasket with the crossbeam；
Upper limit part, is fixedly arranged on the one side away from the lower flange of the core, and is connected to the structure glue gasket
Outer surface；And
Lower limit part is fixedly arranged on the crossbeam, and is connected to the outer surface of the structure glue gasket.
It is preferred that the web doubler is I-steel.
Above-mentioned I-steel has the advantages that structural strength is high.
It is preferred that the lower limit part includes the limiting plate interconnected and support plate, the limiting plate are connected to institute
The outer surface of structure glue gasket is stated, the support plate is connected with the crossbeam.
Above-mentioned lower limit part can be connected more secured with crossbeam.
It is preferred that the lower end of the core has the first limiting section, the structure glue gasket has and the described first limit
The second limiting section that position portion is adapted, first limiting section are arranged in second limiting section；The crossbeam has the 3rd limit
Position portion, the structure glue gasket have the 4th limiting section being adapted with the 3rd limiting section, and the 3rd limiting section card is set
In the 4th limiting section.
So that positioning is more accurate using above-mentioned first limiting section, the second limiting section, the 3rd limiting section, the 4th limiting section, into
One step promotes efficiency of assembling.
It is preferred that first limiting section is protrusion, second limiting section is for accommodating first limiting section
Groove；3rd limiting section is protrusion, and the 4th limiting section is for accommodating the groove of the 3rd limiting section.
It is preferred that second limiting section is shifted to install with the 4th limiting section.
It using above-mentioned setting, prevents the second limiting section from being interfered with each other with the 4th limiting section, also avoids due to the second limiting section
The defects of corresponding region structure glue spacer thickness is relatively low caused by aliging with the 4th limiting section.
It is preferred that the shape of the structure glue gasket is cuboid or cylinder.
Using above-mentioned setting, cuboid has the advantages that processing and fabricating is convenient, and cylinder then there is border to be beneficial to for circular arc
The advantages of bubble discharges during splicing, bonding property is good.
It is preferred that the shape of the structure glue gasket is cuboid, the length of the structure glue gasket is 2cm, the knot
The width of structure glue gasket is 1cm, and the thickness of the structure glue gasket is 3~5mm.
It is preferred that the structure glue gasket is arranged at intervals along the length direction of the web；And the structure glue gasket edge
The length direction of the web is uniformly arranged, and the distance between adjacent two described structure glue gaskets are 2m.
Using above-mentioned setting, ensure the uniformity in gap.
A kind of wind-driven generator, feature are, including blade of wind-driven generator as described above.
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined to get each preferable reality of the present invention
Example.
The positive effect of the present invention is：
Blade of wind-driven generator disclosed by the invention and the wind-driven generator for including it are equipped with structure between web and crossbeam
Glue gasket is mutually located by upper limit part, lower limit part realization web with structure glue gasket, and structure glue gasket passes through few
The glue of amount can be glued in web and crossbeam, can ensure the reliability being glued, while easy to operate, between web and crossbeam
Gap controllability is high, uniformity is good；Meanwhile Conner reinforcement, web doubler can also enhance the structure of corresponding region.
Description of the drawings
Fig. 1 is the blade of wind-driven generator part-structure schematic diagram of present pre-ferred embodiments.
Fig. 2 is the close-up schematic view of part A in Fig. 1.
Fig. 3 is the structure glue gasket of present pre-ferred embodiments and the schematic top plan view of lower limit part.
Reference sign：
10：Blade of wind-driven generator
100：Crossbeam
110：3rd limiting section
200：Web
210：Core
211：First limiting section
220：Lower flange
300：Conner reinforcement
400：Web doubler
500：Structure glue gasket
510：Second limiting section
520：4th limiting section
600：Upper limit part
700：Lower limit part
710：Limiting plate
720：Support plate
Specific embodiment
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a scope.
As shown in Figs. 1-3, blade of wind-driven generator 10 includes：Crossbeam 100, two webs 200, Conner reinforcement 300, web
Reinforcer 400, structure glue gasket 500, upper limit part 600 and lower limit part 700.Wind-driven generator includes wind-driven generator leaf
Piece 10.The other structures of wind-driven generator are not shown, and the part-structure of blade of wind-driven generator 10 is again illustrated only in Fig. 1.
With reference to Fig. 1-2, two webs 200 are connected with crossbeam 100.And web 200 includes core 210 and lower flange 220, under
Flange 220 is connected to the one side of core 210.Lower flange 220 is made of covering, relatively soft, yielding.Conner reinforcement 300
The corner portion formed positioned at lower flange 220 and core 210, and Conner reinforcement 300 connects with lower flange 220 and core 210
It connects.In the present embodiment, Conner reinforcement 300 is block structure；In alternative embodiment, Conner reinforcement or rod-shaped
Structure or platy structure.Conner reinforcement 300 plays the role of strengthening the connection between core 210 and lower flange 220.
As shown in Fig. 1, web doubler 400 is connected between two webs 200.In the present embodiment, web doubler 400
Specially I-steel.Have the advantages that structural strength is high.And in the present embodiment, web doubler 400 is welded with web 200；It can
In alternative embodiment, web doubler can be connected with web by fastener such as screw etc..
With specific reference to Fig. 2, web 200 is connected by structure glue gasket 500 with crossbeam 100.Upper limit part 600 is fixedly arranged on
The one side away from lower flange 220 of core 210, and it is connected to the outer surface of structure glue gasket 500.In the present embodiment, upper limit
Part 600 is welded with web 200；In alternative embodiment, upper limit part and web can by fastener for example bolt, screw,
The connections such as rivet.
Meanwhile lower limit part 700 is fixedly arranged on crossbeam 100, and it is connected to the outer surface of structure glue gasket 500.The present embodiment
In, lower limit part 700 is welded with crossbeam 100；In alternative embodiment, lower limit part can pass through fastener such as spiral shell with crossbeam
The connections such as bolt, screw, rivet.Specifically, lower limit part 700 includes the limiting plate 710 interconnected and support plate 720, limit
Position plate 710 is connected to the outer surface of structure glue gasket 500, and support plate 720 is connected with crossbeam 100.In this way, lower limit part 700
It can be connected more secured with crossbeam 100, structure glue gasket 500 will not be subjected to displacement easily.
With reference also to Fig. 2, the lower end of core 210 has the first limiting section 211, and structure glue gasket 500 has and first
The second limiting section 510 that limiting section 211 is adapted, the first limiting section 211 are arranged in the second limiting section 510.Also, crossbeam 100
With the 3rd limiting section 110, structure glue gasket 500 has the 4th limiting section 520 that is adapted with the 3rd limiting section 110, and the 3rd
Limiting section 110 is arranged in the 4th limiting section 520.Using above-mentioned first limiting section 211, the second limiting section 510, the 3rd limiting section
110th, the 4th limiting section 520 so that positioning is more accurate, further promotes efficiency of assembling.In the present embodiment, the first limiting section 211 is
Protrusion, the second limiting section 510 are for accommodating the groove of the first limiting section 211；3rd limiting section 110 is raised, the 4th /V
Portion 520 is for accommodating the groove of the 3rd limiting section 110.And specifically, the second limiting section 510 misplaces with the 4th limiting section 520
It sets, that is to say, that the second limiting section 510 is misaligned with the 4th limiting section 520.Prevent the second limiting section 510 and the 4th /V
Portion 520 interferes with each other, and avoids corresponding region structure glue caused by aliging due to the second limiting section 510 with the 4th limiting section 520
The defects of 500 thickness of gasket is relatively low.
In the present embodiment, the shape of structure glue gasket 500 is cylinder.Border for circular arc be beneficial to be glued when bubble discharge,
Bonding property is good.In alternative embodiment, the shape of structure glue gasket can be cuboid；Cuboid has processing and fabricating side
Just the advantages of；This, the length of structure glue gasket can be 2cm, and the width of structure glue gasket can be 1cm, structure glue gasket
Thickness can be 3~5mm.
Structure glue gasket 500 is arranged at intervals along the length direction of web 200.The length direction of web 200 refers to vertically
The direction of plane shown in Fig. 1.And structure glue gasket 500 is uniformly arranged along the length direction of web 200, ensures the uniform of gap
Property.The distance between two adjacent structure glue gaskets 500 can be 2m.
With reference to Fig. 3, it illustrates the schematic top plan view of structure glue gasket 500 and lower limit part 700, the second limiting sections
510 be that section is circular groove.The limiting plate 710 of lower limit part 700 is arc panel, with the structure glue gasket with cylinder
500 outer surface is adapted.
To sum up, being equipped with structure glue gasket 500 between web 200 and crossbeam 100, pass through upper limit part 600, lower limit
700 and first limiting section 211 of part, the second limiting section 510, the 3rd limiting section 110, the 4th limiting section 520 realize web 200 with
Structure glue gasket 500 is mutually located, and structure glue gasket 500 can be glued by minimal amount of glue in web 200 and crossbeam
100, it can ensure the reliability being glued, and meanwhile it is easy to operate, the gap controllability between web 200 and crossbeam 100 is high, uniform
Property is good.Meanwhile Conner reinforcement 300, web doubler 400 can also enhance the structure of corresponding region.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of blade of wind-driven generator, which is characterized in that it includes：
Crossbeam；
Two webs are connected with the crossbeam, and the web includes core and lower flange, and the lower flange is connected to the core
One side；
Conner reinforcement, the corner portion formed positioned at the lower flange and the core, and with the lower flange and the core
Material is all connected with；
Web doubler is connected between two webs；
Structure glue gasket, the web are connected by the structure glue gasket with the crossbeam；
Upper limit part, is fixedly arranged on the one side away from the lower flange of the core, and is connected to the outer of the structure glue gasket
Surface；And
Lower limit part is fixedly arranged on the crossbeam, and is connected to the outer surface of the structure glue gasket.
2. blade of wind-driven generator as described in claim 1, which is characterized in that the web doubler is I-steel.
3. blade of wind-driven generator as described in claim 1, which is characterized in that the lower limit part includes the limit interconnected
Position plate and support plate, the limiting plate are connected to the outer surface of the structure glue gasket, the support plate and the crossbeam phase
Connection.
4. blade of wind-driven generator as described in claim 1, which is characterized in that the lower end of the core has the first /V
Portion, the structure glue gasket have the second limiting section being adapted with first limiting section, and first limiting section is arranged in
Second limiting section；The crossbeam has the 3rd limiting section, and the structure glue gasket has mutually fits with the 3rd limiting section
The 4th limiting section matched somebody with somebody, the 3rd limiting section are arranged in the 4th limiting section.
5. blade of wind-driven generator as claimed in claim 4, which is characterized in that first limiting section is protrusion, described the
Two limiting sections are for accommodating the groove of first limiting section；3rd limiting section is protrusion, and the 4th limiting section is
For accommodating the groove of the 3rd limiting section.
6. blade of wind-driven generator as claimed in claim 5, which is characterized in that second limiting section and the 4th /V
Portion shifts to install.
7. blade of wind-driven generator as described in claim 1, which is characterized in that the shape of the structure glue gasket is cuboid
Or cylinder.
8. blade of wind-driven generator as described in claim 1, which is characterized in that the shape of the structure glue gasket is rectangular
Body, the length of the structure glue gasket is 2cm, and the width of the structure glue gasket is 1cm, and the thickness of the structure glue gasket is
3~5mm.
9. such as claim 1-8 any one of them blade of wind-driven generator, which is characterized in that the structure glue gasket is described in
The length direction of web is arranged at intervals；And the structure glue gasket is uniformly arranged along the length direction of the web, adjacent two
The distance between a described structure glue gasket is 2m.
10. a kind of wind-driven generator, which is characterized in that it includes such as claim 1-9 any one of them wind-driven generator leaves
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478893.0A CN108087211A (en) | 2017-12-29 | 2017-12-29 | Blade of wind-driven generator and the wind-driven generator for including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478893.0A CN108087211A (en) | 2017-12-29 | 2017-12-29 | Blade of wind-driven generator and the wind-driven generator for including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087211A true CN108087211A (en) | 2018-05-29 |
Family
ID=62180815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478893.0A Pending CN108087211A (en) | 2017-12-29 | 2017-12-29 | Blade of wind-driven generator and the wind-driven generator for including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087211A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396243A (en) * | 2019-11-28 | 2020-07-10 | 浙江运达风电股份有限公司 | Large wind turbine blade with three-web-plate structure and assembling method |
| CN112012877A (en) * | 2019-05-31 | 2020-12-01 | 江苏金风科技有限公司 | Reinforcing component, web, blade, forming method and wind generating set |
| CN112012878A (en) * | 2019-05-31 | 2020-12-01 | 江苏金风科技有限公司 | Web, blade, forming method and wind generating set |
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| CN204729242U (en) * | 2015-07-10 | 2015-10-28 | 国电联合动力技术(连云港)有限公司 | A kind of fan blade web assembling and positioning device |
| CN105526044A (en) * | 2015-12-24 | 2016-04-27 | 东方电气风电有限公司 | Connection structure of sectionally-assembled blade of wind-driven generator and manufacture method thereof |
| CN205225578U (en) * | 2015-12-24 | 2016-05-11 | 东方电气风电有限公司 | Bonding flange structure of anti -shearing web of aerogenerator blade |
| US20170074240A1 (en) * | 2015-09-14 | 2017-03-16 | General Electric Company | Methods for joining shear clips in wind turbine rotor blades |
| CN206386233U (en) * | 2016-12-14 | 2017-08-08 | 上海艾郎风电科技发展（集团）有限公司 | Blade of wind-driven generator and the wind-driven generator including it |
| CN207660785U (en) * | 2017-12-29 | 2018-07-27 | 上海艾港风电科技发展有限公司 | Blade of wind-driven generator and wind-driven generator including it |
-
2017
- 2017-12-29 CN CN201711478893.0A patent/CN108087211A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204729242U (en) * | 2015-07-10 | 2015-10-28 | 国电联合动力技术(连云港)有限公司 | A kind of fan blade web assembling and positioning device |
| US20170074240A1 (en) * | 2015-09-14 | 2017-03-16 | General Electric Company | Methods for joining shear clips in wind turbine rotor blades |
| CN105526044A (en) * | 2015-12-24 | 2016-04-27 | 东方电气风电有限公司 | Connection structure of sectionally-assembled blade of wind-driven generator and manufacture method thereof |
| CN205225578U (en) * | 2015-12-24 | 2016-05-11 | 东方电气风电有限公司 | Bonding flange structure of anti -shearing web of aerogenerator blade |
| CN206386233U (en) * | 2016-12-14 | 2017-08-08 | 上海艾郎风电科技发展（集团）有限公司 | Blade of wind-driven generator and the wind-driven generator including it |
| CN207660785U (en) * | 2017-12-29 | 2018-07-27 | 上海艾港风电科技发展有限公司 | Blade of wind-driven generator and wind-driven generator including it |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012877A (en) * | 2019-05-31 | 2020-12-01 | 江苏金风科技有限公司 | Reinforcing component, web, blade, forming method and wind generating set |
| CN112012878A (en) * | 2019-05-31 | 2020-12-01 | 江苏金风科技有限公司 | Web, blade, forming method and wind generating set |
| CN111396243A (en) * | 2019-11-28 | 2020-07-10 | 浙江运达风电股份有限公司 | Large wind turbine blade with three-web-plate structure and assembling method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 1318 Miaoxiang Road, Nicheng heavy equipment industrial zone, Pudong New Area, Shanghai, 201306 Applicant after: SHANGHAI AIGANG WIND ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Applicant after: Ailang Technology Co.,Ltd. Address before: 1318 Miaoxiang Road, Nicheng heavy equipment industrial zone, Pudong New Area, Shanghai, 201307 Applicant before: SHANGHAI AIGANG WIND ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Applicant before: SHANGHAI AEOLON WIND ENERGY TECHNOLOGY DEVELOPMENT (Group) Co.,Ltd. |
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| CB02 | Change of applicant information |