CN204591580U - H type blade of vertical axis wind turbine and support connection structure - Google Patents
H type blade of vertical axis wind turbine and support connection structure Download PDFInfo
- Publication number
- CN204591580U CN204591580U CN201520307782.3U CN201520307782U CN204591580U CN 204591580 U CN204591580 U CN 204591580U CN 201520307782 U CN201520307782 U CN 201520307782U CN 204591580 U CN204591580 U CN 204591580U
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- CN
- China
- Prior art keywords
- blade
- anchor ear
- vertical axis
- support
- wind turbine
- 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.)
- Expired - Fee Related
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Classifications
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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
- Y02E10/728—Onshore wind turbines
-
- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- Wind Motors (AREA)
Abstract
The utility model relates to a kind of H type blade of vertical axis wind turbine and support connection structure, described H type vertical axis windmill comprises blade, support and main shaft, described blade is connected on main shaft by support, the Placement of described blade and described support is as follows: first entangle blade with two panels anchor ear, weld between anchor ear with anchor ear flange, anchor ear flange and flange bracket are fixed with bolt, to realize between blade with support reliable is connected again.The utility model adopts anchor ear to fix simultaneously and bolt connects, and is easy to assembling, and effectively can ensures fastening force; Connection area many employings arc or tilt angle design, reduce stress raisers; In addition, rubber pad and sealing material can form available protecting to blade and bolt respectively, and improve blade structure and aeroperformance.
Description
Technical field
The utility model belongs to wind machine structure design field, is specifically related to a kind of H type blade of vertical axis wind turbine and support connection structure.
Background technique
The wind wheel apparatus of H type vertical axis windmill is made up of blade, support and main shaft, and support is used for connecting blade and main shaft, to form the H type frame structure with certain rigidity.For guaranteeing the connection reliability between blade and support, can first use anchor ear stator blade, then connecting blade and support with bolt.Blade is the critical component of wind energy conversion system, for ensureing join strength and toughness, reducing blade wear and stress raisers, and improving blade aerodynamic efficiency, needing to improve blade and support connection structure.
Summary of the invention
For solving the problems of the technologies described above, the utility model proposes a kind of H type blade of vertical axis wind turbine and support connection structure, by to the appropriate design of anchor ear and bolt fastening structure and optimization, blade and support connection reliability can be guaranteed, reduce blade wear and stress raisers, and improve blade aerodynamic efficiency.
The technological scheme that the utility model adopts is:
A kind of H type blade of vertical axis wind turbine and support connection structure, described H type vertical axis windmill comprises blade, support and main shaft, described blade is connected on main shaft by support, described support one end is connected with described main shaft, the other end is connected with described blade, it is characterized in that, blade outer surface has been coated and fixed anchor ear, described anchor ear comprises anchor ear main body and anchor ear flange, and described support passes through the flange bracket of its end and described anchor ear Flange joint; Anti-abrasion pad is provided with between blade outer surface and described anchor ear.
Preferably, before and after the weld of described anchor ear flange and anchor ear main body, both sides are designed to oblique weld.
Preferably, the joint of described flange bracket is designed to arc.
Preferably, described anchor ear flange with between flange bracket for bolt is connected, be respectively arranged with multiple bolt hole in the joint of the two.
Preferably, described anti-abrasion pad is rubber pad.
Preferably, edge, trailing edge place are continuous laying to described anti-abrasion pad in front of the blade.
Preferably, the anchor ear having at least two panels to cooperatively interact is set on the outer surface of blade, and at least uses fastening piece to be connected at the leading edge of blade, middle part and trailing edge place.
Preferably, leading edge, the trailing edge place of described two panels anchor ear arrange counter sink respectively, connect up and down with fastening piece, concordant with blade outer surface after the outside packing matcrial in two of fastening piece.
The H type blade of vertical axis wind turbine that the utility model proposes and support connection structure, can guarantee the connection reliability of blade and support, and improve blade structure and aeroperformance.
Accompanying drawing explanation
Fig. 1 is blade and support connection structure schematic diagram, and wherein, (A) is the fixing figure of anchor ear, and (B-1) is bolt connection front view, and (B-2) is bolt connection side view, and (C-1) is overall front view; (C-2) be unitary side view
Fig. 2 is anchor ear front and rear edge connection diagram, and wherein, (A) is leading edge figure, and (B) is trailing edge figure.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the utility model is further described.
As shown in Figure 1, H type blade of vertical axis wind turbine of the present utility model and support connection structure comprise blade 1, anchor ear 2, bolt 3, anchor ear flange 4, flange bracket 5, rubber pad 6 and sealing material 7.Blade 1 is connected on the main shaft of wind energy conversion system by support, and support one end is connected with main shaft, and the other end is connected with blade, blade and support Placement as follows:
With reference to Fig. 1 (A), entangle blade 1 with two panels anchor ear about 2, anchor ear 2 welds between blade girder with anchor ear flange 4.Rubber pad 6 is placed between blade 1 and anchor ear 2, and need ensure the continuous laying at trailing edge place in front of the blade, thus available protecting blade.Anchor ear 2 comprises anchor ear main body and anchor ear flange 4, and before and after the weld of anchor ear flange 4, both sides are designed to oblique weld, to reduce the stress raisers come by flat-face fillet weld tape splicing.
With reference to Fig. 2 (A), (B), at the front and rear edge place of upper and lower two panels anchor ear 2, counter sink is set respectively, connects with clamping bolt about 3; The outside packing matcrial 7 at two of clamping bolt 3, for the protection of bolt, and levelling anchor ear outer surface.
With reference to Fig. 1 (B-1) and (B-2), be connected and fixed between anchor ear flange 4 and flange bracket 5 with bolt 3, bolt is connected with multiple bolt hole, forms Redundancy Design, increases connection reliability.The joint of flange bracket 5 is designed to arc, makes Flange joint district section transitions mild, reduces stress raisers.
Through above two steps, blade can be realized and be connected with the reliable of support, overall as shown in Fig. 1 (C-1) (C-2).
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within scope of the present utility model.
Claims (8)
1. a H type blade of vertical axis wind turbine and support connection structure, described H type vertical axis windmill comprises blade, support and main shaft, described blade is connected on main shaft by support, described support one end is connected with described main shaft, the other end is connected with described blade, it is characterized in that, blade outer surface has been coated and fixed anchor ear, described anchor ear comprises anchor ear main body and anchor ear flange, and described support passes through the flange bracket of its end and described anchor ear Flange joint; Anti-abrasion pad is provided with between blade outer surface and described anchor ear.
2. H type blade of vertical axis wind turbine according to claim 1 and support connection structure, is characterized in that, before and after the weld of described anchor ear flange and anchor ear main body, both sides are designed to oblique weld.
3. H type blade of vertical axis wind turbine according to claim 1 and support connection structure, is characterized in that, the joint of described flange bracket is designed to arc.
4. H type blade of vertical axis wind turbine according to claim 1 and support connection structure, is characterized in that, described anchor ear flange with between flange bracket for bolt is connected, be respectively arranged with multiple bolt hole in the joint of the two.
5. H type blade of vertical axis wind turbine according to claim 1 and support connection structure, is characterized in that, described anti-abrasion pad is rubber pad.
6. H type blade of vertical axis wind turbine according to claim 1 and support connection structure, is characterized in that, described anti-abrasion pad in front of the blade edge, trailing edge place is continuous laying.
7. H type blade of vertical axis wind turbine according to claim 6 and support connection structure, is characterized in that, the anchor ear having at least two panels to cooperatively interact is set on the outer surface of blade, and at least use fastening piece to be connected at the leading edge of blade, middle part and trailing edge place.
8. H type blade of vertical axis wind turbine according to claim 7 and support connection structure, it is characterized in that, leading edge, the trailing edge place of described two panels anchor ear arrange counter sink respectively, connect up and down with fastening piece, concordant with blade outer surface after the outside packing matcrial in two of fastening piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307782.3U CN204591580U (en) | 2015-05-13 | 2015-05-13 | H type blade of vertical axis wind turbine and support connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307782.3U CN204591580U (en) | 2015-05-13 | 2015-05-13 | H type blade of vertical axis wind turbine and support connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591580U true CN204591580U (en) | 2015-08-26 |
Family
ID=53927741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520307782.3U Expired - Fee Related CN204591580U (en) | 2015-05-13 | 2015-05-13 | H type blade of vertical axis wind turbine and support connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883602A (en) * | 2016-06-24 | 2016-08-24 | 成都世唯科技有限公司 | Fan blade hanger support with clamp mechanism |
| CN108071425A (en) * | 2017-12-11 | 2018-05-25 | 大连通亚重工有限公司 | Axial flow turbine |
-
2015
- 2015-05-13 CN CN201520307782.3U patent/CN204591580U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883602A (en) * | 2016-06-24 | 2016-08-24 | 成都世唯科技有限公司 | Fan blade hanger support with clamp mechanism |
| CN105883602B (en) * | 2016-06-24 | 2017-07-14 | 成都世唯科技有限公司 | The fan blade suspender support of tape clamp mechanism |
| CN108071425A (en) * | 2017-12-11 | 2018-05-25 | 大连通亚重工有限公司 | Axial flow turbine |
| CN108071425B (en) * | 2017-12-11 | 2019-11-12 | 大连理创科技有限公司 | Axial flow turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |