CN201714567U - Wind wheel supporting rod structure of vertical-axis wind turbine - Google Patents
Wind wheel supporting rod structure of vertical-axis wind turbine Download PDFInfo
- Publication number
- CN201714567U CN201714567U CN2010291660408U CN201029166040U CN201714567U CN 201714567 U CN201714567 U CN 201714567U CN 2010291660408 U CN2010291660408 U CN 2010291660408U CN 201029166040 U CN201029166040 U CN 201029166040U CN 201714567 U CN201714567 U CN 201714567U
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- strut
- blade
- wind wheel
- support rod
- branch
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The utility model provides a wind wheel supporting rod structure of a vertical-axis wind turbine, comprising a supporting rod, wherein the supporting rod is arranged between a blade and a wheel hub on a wind wheel of the wind turbine or a rotating part of the wind turbine; and one end of the supporting rod is provided with a connecting structure which is connected with the inner side of the blade facing to the wheel hub, and the other end of the supporting rod is provided with a connecting structure connected with the wheel hub or the rotating part of the turbine. The supporting rod structure has large strength and stiffness in connecting and supporting the blade, can enable the wind wheel to safely run without deformation and breakage under the wind power of 50 meter/second below, has light weight, and can enable the wind wheel to start generating electricity at the wind speed of 2 meters/second.
Description
Technical field
The utility model belongs to technical field of wind power generator, and a kind of vertical axis aerogenerator member is provided, the supporting bar structure of wind wheel in especially a kind of vertical axis aerogenerator.
Background technique
In the prior art, wind-driven generator mostly is horizontal shaft type generator, its main shaft is horizontally disposed with, wind wheel is set on it, wind wheel blade mostly is the CONCENTRIC REDUCER triangular form, and the microcephaly is elongated, and the wind wheel blade of common wind-driven generator is extended down to outer rim from the wheel hub of wind wheel, very long, there are several meters even tens meters.Elongated like this blade is easy to distortion when being subjected to bigger wind-force, produce resonance, also is easy to fracture under the effect of blast, and therefore, this wind wheel exists that wind loading rating is poor, resonance during rotation, shortcomings such as power is on the low side, spoilage height.The later stage of wind-driven generator development, advantage such as vertical axis aerogenerator more and more demonstrates its efficient height, power is big and be convenient to install and use, the life-span is long.But, general vertical axis aerogenerator all is that generator shaft is become the vertical position by horizontal position, but the blade on it is often still continued to use the wind wheel of existing horizontal axis generator, blade is still not only long but also thin, from the connecting end of the rotating component of generator all be blade-section to the outer end of wind wheel.Therefore, many problems of above-mentioned horizontal axis wind-driven generator wind wheel are not solved.Claimant of the present utility model develops a kind of blade that is used for the vertical wind wheel of vertical axis aerogenerator, this blade be shaped as a vertical Cylindrical object, the parallel axes vertical with wind wheel, its horizontal section is the section configuration of aircraft wing, be that blade outer surface outwardly is the streamline shape cambered surface, rounding off between this outer surface and the opposed inside surface, forming bigger windward side is the head of blade and less afterbody.This blade is arranged on the outer rim of wind wheel, blade with and the wind wheel wheel hub that is connected of the rotatable parts of generator between, perhaps between the rotatable parts of blade and generator linkage structure is set, be used to connect strut, the static part of generator then encircle on the king-post at the center of being located at the generator rotatable parts or with the corresponding described wind wheel wheel hub of generator rotatable parts connect firmly corresponding.The shape and structure of strut can have influence on the rotating property of wind wheel, can have influence on the power and the efficient of wind-driven generator then.
The model utility content
The purpose of this utility model is to provide the supporting bar structure of vertical axis aerogenerator wind wheel of the rotating component of a kind of blade that is used for connecting the vertical column bodily form and wind wheel wheel hub or generator, make it have enough strength and stiffness and resistance little, do not influence the power and the efficient of generator.
The purpose of this utility model is achieved in that
The supporting bar structure of wind wheel in the vertical axis aerogenerator that the utility model provides, wherein, described strut is used for being arranged between the rotatable parts of blade on the described wind-driven generator wind wheel and wheel hub or described generator, one end of this strut is provided with the blade inner side surface connection structure connecting towards described wheel hub with described blade, and its other end is provided with the rotatable parts connection structure connecting with described wheel hub or described generator.
This strut can be a straight-bar.
Described strut also can be to include a main support rod, a main threeway and two branch's struts, and an end of described main support rod is provided with and the fixing described linkage structure of the rotating component of described wind wheel wheel hub or generator; One end of two described branch struts is provided with the linkage structure with described vanes fixed; Described main threeway is provided with three jacks, these three jacks are arranged in the main threeway with the relative position of Y shape, a jack that wherein is arranged in a side inserts the other end of described main support rod and makes described main threeway be fixedly connected on the main support rod, plug the other end of fixing two described branch struts respectively in two jacks of the opposite side of this main threeway, make described branch strut fixedly connected with main support rod by described main threeway.
Described strut and be divided into main support rod and the strut of two sections of branch's struts in each section can be that its section is the rod member of elliptical shape, its major axis is in the horizontal direction.
Two described branch struts are provided with on same horizontal plane.
The ratio of the major and minor axis of described elliptic cross-section is 1/2-3/4.The ratio of described long axis of ellipse and minor axis is preferably 3: 2.
The described linkage structure that is connected an end with rotatable parts described generator described strut or described main support rod is: the corresponding termination at described strut or described main support rod is provided with a T-connecting piece, this link comprises a pipeline section, its tube chamber and described strut or described main support rod termination profile are complementary, one end of this pipeline section connects firmly a junction, its area is greater than described pipeline section cross section, the outer wall shape of the wheel hub of its end face and described wind wheel or the rotatable parts of described generator is complementary, which is provided with linkage structure and be used for fixedlying connected, in this tube cavity of pipeline section, plug and fixing described main support rod termination with the generator rotatable parts; And/or,
Described strut or described main support rod with the described linkage structure that described blade inner side surface is connected an end are: the termination at described strut or described branch strut is provided with a T-connecting piece, this link comprises a pipeline section, its tube chamber and described strut or described sub-support rod end head profile are complementary, one end of this pipeline section connects firmly a junction, its area is greater than described pipeline section cross section, the shape of facing the wall and meditating in the inboard of its end face and described blade is complementary, this joint is provided with linkage structure, in order to connect firmly on the blade inner surface, in this tube cavity of pipeline section, plug and fixing described strut or sub-support rod end head.
The linkage structure that described joint is provided with is bolt hole or screw hole, wears bolt or screw on it, uses so that an end of described strut connects firmly on generator rotatable parts or wind wheel wheel hub, and the other end connects firmly on blade.
The angle of two described branch struts is according to the design of the width of blade, and two described branch struts are provided with on same horizontal plane, makes described branch strut be connected near the two ends on the same horizontal plane of described blade.
Described main support rod and branch's strut are the aluminium section bar manufacturing.Each described link and main threeway can be made with cast aluminium.Described aluminium section bar is a lightweight, and therefore, its very light in weight does not influence the rotative power and the efficient of wind wheel.
Described strut with the respective amount of blade described in the described wind wheel is: a blade is corresponding with two described struts, the described linkage structure of two these struts described inner side surface with the two ends up and down of described blade respectively is corresponding, constitutes the linkage structure with four jiaos of described blade inner side surfaces.
Described strut with the respective amount of blade described in the described wind wheel is: a blade is corresponding with two or more described struts, when being two these struts, the described linkage structure of two these struts described inner side surface with the two ends up and down of described blade respectively is corresponding, constitutes linkage structure with 2 of described blade inner side surfaces or at four jiaos 4 by strut or described branch strut; When being a plurality of this strut, wherein the described linkage structure of two these struts respectively with the corresponding connection of described inner side surface at the two ends up and down of described blade, all the other these struts and described the blade described inner side surface of the part between the two ends up and down are corresponding.
The number of strut is relevant with blades height, spacing between the adjacent supports bar should be able to ccontaining lower support bar and the wheel hub of the wind wheel that is attached thereto, between at least a portion wheel hub and wind wheel central shaft, electric machine assembly to be set, also will leave enough spaces for this reason.
The supporting bar structure of wind wheel in the vertical axis aerogenerator that the utility model provides, by its rational main support rod and branch's pole structure and material selection, the intensity, the rigidity that make it connect support blade are very big, can allow wind wheel safe operation under the following wind-force of 50 meter per seconds, indeformable, do not fracture, simultaneously, its very light weight, make that the starting torque of wind wheel is very little, wind wheel can start generating under the wind speed of 2 meter per seconds.
Description of drawings
The structural representation of wind wheel in the vertical axis aerogenerator of the supporting bar structure that uses the utility model and provide is provided Fig. 1;
The plan structure schematic representation of the supporting bar structure of wind wheel in the vertical axis aerogenerator that Fig. 2 provides for the utility model;
Fig. 3 is the main TV structure schematic representation that supporting bar structure shown in Figure 2 connects blade and generator rotatable parts;
Fig. 4 is the structural representation of the oval T-connecting piece of connection main support rod and motor rotatable parts.
Embodiment
Supporting bar structure in the vertical axis aerogenerator wind wheel that the utility model provides, comprise strut, described strut is used for being arranged between the rotatable parts of blade on the described wind-driven generator wind wheel and wheel hub or described generator, one end of this strut is provided with the blade inner side surface connection structure connecting towards described wheel hub with described blade, and its other end is provided with the rotatable parts connection structure connecting with described wheel hub or described generator.
A concrete example can be, the quantity of a wind wheel upper support bar is the twice of blade quantity, and shown in Fig. 2,3, a blade pass crosses up and down that two struts are connected on the generator rotatable parts of being located on the center king-post 8 or wind wheel wheel hub.Described strut can be a straight-bar, and better design is: every strut comprises two section 1,2, and section 1 is that a main support rod 1, section 2 are two branch's struts 9,10, also comprises a main threeway 2 '.Main threeway 2 ' is provided with three jacks, these three jacks are distributed in the main threeway with Y shape, the jack that wherein is arranged in a side inserts an end of main support rod 1 and is fixedly connected on the main support rod 1, plug an end of fixing two branch's struts 9,10 respectively in two jacks of main threeway 2 ' opposite side, make branch's strut 9,10 fixedly connected with main support rod 1 by main threeway 2 ', the other end that the other end of main support rod 1 connects 7, two branch's struts of rotating component of generator is connected with the inner surface of blade 0.Blade 0 top of vertical column connects a described strut, and its underpart connects another described strut, and two struts are arranged in parallel up and down.When being two these struts, the described linkage structure of two these struts described inner side surface with the two ends up and down of described blade respectively is corresponding, constitutes linkage structure with 2 of described blade inner side surfaces or at four jiaos 4 by strut or described branch strut.
Two branch's struts can be to be provided with on same horizontal plane.
The bar cross section of main support rod 1 and branch's strut 9,10 is ellipse, and its major axis in the horizontal direction.The ratio of long axis of ellipse and minor axis is preferably 3: 2.
Above a end of main support rod 1 in strut fixedly connected by an oval T-connecting piece 3 ' with the rotating component 7 of generator; Above the other end of branch's strut 9,10 be connected near a blade 0 upper inner face two ends fixedly connected with oval T-connecting piece 4 by oval T-connecting piece 3 respectively.Below the linkage structure of main support rod in strut and branch strut identical with the strut on top.The supporting bar structure that the utility model provides, to the connection of blade the time, the surface is gone up by top two branch's struts and is connected firmly by two oval T shape connectors 5,6 one-tenth 4 according to branch's strut with following by two oval T shape connectors 3,4 within it, its linkage structure is simple, but is connected firmly, stablizes.
Oval T-connecting piece 3 ' is set as shown in Figure 4 in the termination of main support rod 1, comprise an oval pipeline section 31, its tube cavity 32 is complementary with main support rod 1 termination profile, one end of this pipeline section 31 connects firmly a junction 33, its area is greater than the pipeline section cross section, the outer wall shape of the rotatable parts of its end face and described generator 7 is complementary, which is provided with linkage structure, for example be bolt hole or screw hole, wear bolt or screw on it, in order to connect firmly on the generator rotatable parts, in this tube cavity 32 of pipeline section 31, plug and fixing main support rod 1 termination.
It is basic identical with the structure and the above-mentioned oval T-connecting piece 3 ' structure of the oval T-connecting piece 3,4,5,6 of blade inner side surface to connect branch's strut, and the end face that is joint wherein is that the inner side surface shape with blade is complementary.In the termination of described branch strut one oval T-connecting piece is set, in this tube cavity of pipeline section, plugs and fixing described sub-support rod end head.This ellipse T-connecting piece connects blade 0 by bolt or screw.
As shown in Figure 1, 2, 3, be used for vertical axis aerogenerator blade 0 be shaped as a vertical Cylindrical object, vertical parallel axes with wind wheel, its horizontal section is the section configuration of aircraft wing, and promptly with respect to the rotating shaft of wind wheel, its outer surface and the end face that facings the wind are the streamlined cambered surface of rounding off, spacing between outer surface and the inner surface is gradual change, the described spacing of the windward side of blade is bigger, and along downwind, spacing reduces gradually; Each horizontal section size shape is identical on the Vertical direction of blade.This blade is arranged on the outer rim of wind wheel, be connected by strut between the rotatable parts of blade and wind wheel rotating shaft or generator, the two ends up and down of a blade 0 connect two described struts, inboard at last strut is connected with the rotatable parts of generator 7, and the static part side ring of generator is located on the king-post 8 at center.Under the main support rod of inboard of strut be connected by oval T-connecting piece with the wheel hub of wind wheel.
The respective amount of described strut and blade described in the described wind wheel can also for: a blade is corresponding with a plurality of described struts, when being a plurality of this strut, wherein the described linkage structure of two these struts respectively with the corresponding connection of described inner side surface at the two ends up and down of described blade, all the other these struts and described the blade described inner side surface of the part between the two ends up and down are corresponding.
Described each strut is an elliptic cross-section, and it is subjected to wind resistance little.Can help the low wind speed of wind wheel and start and in rotation, reduce power consumption down.
Claims (10)
1. the supporting bar structure of wind wheel in the vertical axis aerogenerator, it is characterized in that, comprise strut, described strut is used for being arranged between the rotatable parts of blade on the described wind-driven generator wind wheel and wheel hub or described generator, one end of this strut is provided with the blade inner side surface connection structure connecting towards described wheel hub with described blade, and its other end is provided with the rotatable parts connection structure connecting with described wheel hub or described generator.
2. the supporting bar structure of wind wheel in the vertical axis aerogenerator according to claim 1, it is characterized in that, described strut includes a main support rod, a main threeway and two branch's struts, and an end of described main support rod is provided with and the fixing described linkage structure of the rotating component of described wind wheel wheel hub or generator; One end of two described branch struts is provided with the linkage structure with described vanes fixed; Described main threeway is provided with three jacks, these three jacks are arranged in the main threeway with the relative position of Y shape, a jack that wherein is arranged in a side inserts the other end of described main support rod and makes described main threeway be fixedly connected on the main support rod, plug the other end of fixing two described branch struts respectively in two jacks of the opposite side of this main threeway, make described branch strut fixedly connected with main support rod by described main threeway.
3. the supporting bar structure of wind wheel is characterized in that in the vertical axis aerogenerator according to claim 1, and described strut is that its section is the rod member of elliptical shape, and its major axis in the horizontal direction.
4. the supporting bar structure of wind wheel is characterized in that in the vertical axis aerogenerator according to claim 2, and the bar cross section of described main support rod and/or branch's strut is oval, and its major axis is provided with in the horizontal direction.
5. according to the supporting bar structure of wind wheel in claim 3 or the 4 described vertical axis aerogenerators, it is characterized in that the ratio of the major and minor axis of described elliptic cross-section is 1/2-3/4.
6. the supporting bar structure of wind wheel is characterized in that in the vertical axis aerogenerator according to claim 5, and the ratio of described long axis of ellipse and minor axis is 3: 2.
7. according to the supporting bar structure of wind wheel in the described vertical axis aerogenerator of one of claim 1 to 4, it is characterized in that, the described linkage structure that is connected an end with rotatable parts described generator described strut or described main support rod is: the corresponding termination at described strut or described main support rod is provided with a T-connecting piece, this link comprises a pipeline section, its tube chamber and described strut or described main support rod termination profile are complementary, one end of this pipeline section connects firmly a junction, its area is greater than described pipeline section cross section, the outer wall shape of the wheel hub of its end face and described wind wheel or the rotatable parts of described generator is complementary, which is provided with linkage structure and be used for fixedlying connected, in this tube cavity of pipeline section, plug and fixing described main support rod termination with the generator rotatable parts; And/or,
Described strut or described branch strut with the described linkage structure that described blade inner side surface is connected an end are: the termination at described strut or described branch strut is provided with a T-connecting piece, this link comprises a pipeline section, its tube chamber and described strut or described sub-support rod end head profile are complementary, one end of this pipeline section connects firmly a junction, its area is greater than described pipeline section cross section, the shape of facing the wall and meditating in the inboard of its end face and described blade is complementary, this joint is provided with linkage structure, in order to connect firmly on the blade inner surface, in this tube cavity of pipeline section, plug and fix the described termination of described strut or branch's strut.
8. the supporting bar structure of wind wheel in the vertical axis aerogenerator according to claim 7, it is characterized in that, the linkage structure that described joint is provided with is bolt hole or screw hole, wear bolt or screw on it, with so that an end of described strut connects firmly on generator rotatable parts or wind wheel wheel hub, the other end connects firmly on blade.
9. the supporting bar structure of wind wheel is characterized in that in the vertical axis aerogenerator according to claim 2, and two described branch struts are provided with on same horizontal plane, makes described branch strut be connected the two ends on the same horizontal plane of described blade.
10. the supporting bar structure of wind wheel in the vertical axis aerogenerator according to claim 1 and 2, it is characterized in that, described strut with the respective amount of blade described in the described wind wheel is: a blade is corresponding with two or more described struts, when being two these struts, the described linkage structure of two these struts described inner side surface with the two ends up and down of described blade respectively is corresponding, constitutes linkage structure with 2 of described blade inner side surfaces or at four jiaos 4 by strut or described branch strut; Perhaps, when being a plurality of this strut, wherein the described linkage structure of two these struts respectively with the corresponding connection of described inner side surface at the two ends up and down of described blade, all the other these struts and described the blade described inner side surface of the part between the two ends up and down are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010291660408U CN201714567U (en) | 2010-02-08 | 2010-02-08 | Wind wheel supporting rod structure of vertical-axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010291660408U CN201714567U (en) | 2010-02-08 | 2010-02-08 | Wind wheel supporting rod structure of vertical-axis wind turbine |
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| Publication Number | Publication Date |
|---|---|
| CN201714567U true CN201714567U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010291660408U Expired - Fee Related CN201714567U (en) | 2010-02-08 | 2010-02-08 | Wind wheel supporting rod structure of vertical-axis wind turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146891A (en) * | 2010-02-08 | 2011-08-10 | 国能风力发电有限公司 | Strut bar structure of wind wheel in vertical shaft wind-driven generator |
-
2010
- 2010-02-08 CN CN2010291660408U patent/CN201714567U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146891A (en) * | 2010-02-08 | 2011-08-10 | 国能风力发电有限公司 | Strut bar structure of wind wheel in vertical shaft wind-driven generator |
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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: 20110119 Termination date: 20160208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |