CN101718243A - Impeller device of vertical-axis tide generator - Google Patents
Impeller device of vertical-axis tide generator Download PDFInfo
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- CN101718243A CN101718243A CN201010101286A CN201010101286A CN101718243A CN 101718243 A CN101718243 A CN 101718243A CN 201010101286 A CN201010101286 A CN 201010101286A CN 201010101286 A CN201010101286 A CN 201010101286A CN 101718243 A CN101718243 A CN 101718243A
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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
- Y02E10/20—Hydro energy
Abstract
The invention provides an impeller device of a vertical-axis tide generator, which comprises a spindle and turntable part, a spoke part, and a vane and vane connection part. The impeller device is characterized in that the spindle and turntable part comprises a spindle, a turntable, a connecting trough and a trough connecting hole; the spoke part comprises a spoke plate, a spoke plate connecting hole, a limiting leg and an angle adjustable bolt; the vane and vane connection part comprises vanes, a vane hoop and a limiting seat; and the spindle and turntable part is connected with the spoke part through a connecting bolt, and the spoke part is rotatablely connected with the vane and vane connection part. The impeller device can adjust the incident flow attack angle or control the range of the angle of swing of the vanes, and can replace the spoke part according to tide environments and change the turning radius of the vanes; besides the impeller device has a simple structure, is convenient to mount, adjust, dismount and replace, is reliable to run, is suitable for engineering application, and is used for converting tide energy.
Description
Technical field
What the present invention relates to is a kind of impeller unit of vertical-axis tide generator, belongs to hydraulic machine and fluid motor field.
Background technique
Trend can be a kind of renewable and clean energy resource, accompanies with the fluctuation of morning and evening tides.China can develop trend and can resource occupy first of the world.
Trend can transfer process in, the impeller unit of tidal current generator is the key water dynamic component that trend can development and utilization, it constitutes and mainly comprises main shaft, blade and relevant connection and regulate control mechanism etc.The tidal current generator impeller unit is divided into horizontal shaft type and perpendicular axis type.The spindle parallel of horizontal axis tidal current generator impeller unit is in the water surface, and water (flow) direction is perpendicular to impeller disk; The main shaft of vertical-axis tide generator impeller unit is perpendicular to the water surface, and vertical with the direction of incoming flow, and blade is opened up to being parallel to main shaft.With respect to the horizontal axis impeller unit, the vertical shaft impeller unit starts convenient, and is less demanding to the depth of water, the influence that is not come flow path direction to change during work, and regulating and controlling mechanism is simple relatively, and efficient is higher.The vertical-axis generators impeller unit can be divided into fixedly angle of attack formula and variable angle of attack formula again according to the adjustability of attack angle of blade.Fixedly the characteristics of the angle of attack are simple in structure, and functional reliability is strong, and the characteristics of variable angle of attack impeller unit are the energy utilization efficiency height, and toggle speed is low.
Disclosed one piece of title is the paper of " numerical simulation study of vertical-axis tide water turbine hydraulic performance " among the CNKI, based on theory analysis and numerical simulation the vertical-axis tide water turbine is studied.Keep tip speed ratio certain, change under the condition of speed of incoming flow, analysed in depth the trend water turbine interior flow field and the hydraulic performance of two kinds of blade installation shape of generatrix.Result of calculation shows: when employing same vane airfoil profile (NACA0018), under identical operating conditions, the output power of the spiral vane trend water turbine of comparable size is greater than the output power of lineal shape blade trend water turbine, and aspect operation stability, the former is than latter Geng Jia; When adopting different vane airfoil profile, the hydraulic performance difference of water turbine, output power has than big-difference.Research has also disclosed the vertical-axis tide water turbine and has had complicated extensive vortex movement on every side.Its flow characteristic and speed of incoming flow, vane collocation form have important relation.This research has important references to be worth to the design and the application of novel trend water turbine.
Publication number is the technological scheme of disclosed vertical shaft water turbine in the patent document of CN 1839258A, comprises vertical rotor, and this rotor comprises at least three blades, and a pair of support arm that each blade pass is crossed one links to each other with rotor.Each blade becomes with respect to rotor radial in 80 °-90 ° the scope to carry out angular displacement in the rotary course of rotor.Each blade is furnished with a pair of counterweight member, and blade is connected with the counterweight member one.Counterweight member is linked on the corresponding a pair of support arm of rotor with 10 ° of limit angle of pivot, is used for blade and connects at epitrochanterian pivot.
Summary of the invention
The object of the present invention is to provide a kind of pivot angle scope of meeting the stream angle of attack or control blade of adjustable blade, can change spoke part according to the trend environment, change the wheel rotation radius, and it is simple in structure, install, regulate, change conveniently, reliable, the impeller unit of a kind of vertical-axis tide generator that suitable engineering is used.
The object of the present invention is achieved like this:
Comprise main shaft and wheel disc portion, spoke part and blade and blade attachment portion.It is characterized in that: main shaft and wheel disc portion comprise main shaft, wheel disc, connecting groove, groove attachment hole; Spoke part comprises spoke plate, spoke plate connecting hole, limiting leg, angle adjustable bolt; Blade and blade attachment portion comprise blade, fan-catcher, position limit socket; Main shaft and wheel disc portion are connected with spoke part by connecting bolt, and spoke part and blade and blade attachment portion are rotatedly connected.
The present invention can also comprise:
1, described spoke part and blade and blade attachment portion are rotatedly connected and are meant: spoke part is provided with solid bearing bush, blade and blade attachment portion and is provided with double-deck axle sleeve, is connected by rotating shaft between solid bearing bush and the double-deck axle sleeve.
2, described spoke part is rotatedly connected with blade and blade attachment portion and is meant: spoke part also can be connected by ball pivot with blade and blade attachment portion.
3, be fixed with two wheel discs on the main shaft of described main shaft and wheel disc portion, two wheel discs lay respectively at main shaft below and top, and wheel disc bottom surface, below is concordant with the main shaft bottom surface, has three connecting grooves on two wheel discs, have attachment hole on the groove, link to each other with spoke part by connecting bolt.
4, an end of the spoke plate of described spoke part has attachment hole, be used to connect main shaft and wheel disc portion, the other end of spoke plate is provided with two limiting leg, and limiting leg is provided with angle adjustable bolt, is used to change the pivot angle scope of meeting the stream angle of attack or control blade of blade.
5, described spoke plate one end is wide, and an end is narrow, is trapezium structure, and section is that pyramid is streamlined.
6, the blade top and the bottom of described blade and blade attachment portion are respectively equipped with fan-catcher, and fan-catcher has streamlined, and are similar to the blade cross section shape, and fan-catcher and blade are connected, and are positioned at apart from blade tip 0.21-0.22 double-length degree place.
7, fan-catcher is provided with position limit socket, cooperates the pivot angle scope of meeting the stream angle of attack or control blade of adjusting vane with angle adjustable bolt.
The main feature of the impeller unit of a kind of tidal current generator of the present invention is:
1, simple in structure, reliable, easily manufacturing is installed, regulates, is changed conveniently, is fit to engineering and uses;
2, spoke part can change, and can change the radius of gyration, adapts to different Environmental Conditions;
3, can realize the fixing angle of attack and become conversion between the angle of attack.Fixedly under the situations of attack, it is adjustable to meet the stream angle of attack, and it is adjustable to become situations of attack bottom angular region, can improve energy utilization ratio in the several angle scope;
4, the spoke plate design form had both been considered intensity needs in the engineering application, had reduced the spoke plate deadweight again, had reduced to stream influence simultaneously;
5, the blade integrity of blade that connected design protection, favourable to improving the blade hydraulic performance, fan-catcher is positioned at apart from blade tip 0.21-0.22 double-length degree place, makes the suffered moment of flexure minimum of blade, reduces the destruction of moment of flexure to blade.
Description of drawings
First kind of mode of execution plan view of Fig. 1 vertical-axis generators impeller unit;
Second kind of mode of execution plan view of Fig. 2 vertical-axis generators impeller unit;
Fig. 3 vertical-axis generators impeller unit front view;
Fig. 4 rotating shaft and rotating disk part-structure schematic representation;
Fig. 5 spoke part structural representation;
Fig. 6 blade and blade attachment portion structural representation.
Embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1-Fig. 6.The composition of the impeller unit of vertical-axis tide generator of the present invention comprises: 1. main shaft, 2. wheel disc, 3. connecting bolt, 4. spoke plate, 5. angle adjustable bolt, 6. limiting leg, 7. solid bearing bush, 8. double-deck axle sleeve, 9. position limit socket, 10. fan-catcher, 11. rotating shafts, 12. blades, 13. connecting groove, 14. groove attachment holes, 15. spoke plate connecting hole, 16. ball pivot, 17. free bearings.
The solution of the present invention one is divided into main shaft and wheel disc portion, spoke part and blade and blade attachment portion.Main shaft and wheel disc portion comprise main shaft, wheel disc, connecting groove, groove attachment hole; Spoke part comprises spoke plate, spoke plate connecting hole, limiting leg, solid bearing bush, angle adjustable bolt; Blade and blade attachment portion comprise blade, fan-catcher, double-deck axle sleeve, position limit socket.Main shaft and wheel disc portion are connected with spoke part by connecting bolt, and spoke part links to each other with blade and blade attachment portion by rotating shaft.
Be fixed with two wheel discs with welding manner on the main shaft of main shaft and wheel disc portion, wheel disc lays respectively at main shaft bottom and top.Wheel disc bottom surface, below is concordant with the main shaft bottom surface, has three connecting grooves up and down on the wheel disc, has two attachment holes on the groove, links to each other with spoke part by connecting bolt.This part is used stainless steel material.
Spoke plate one end of spoke part has two attachment holes, is used to connect main shaft and wheel disc portion, and the other end is provided with two limiting leg and a solid bearing bush.Limiting leg is provided with angle adjustable bolt, is used to change the pivot angle scope of meeting the stream angle of attack or control blade of blade; Solid bearing bush joins by rotating shaft and blade and blade attachment portion.Spoke plate one end is wide, and an end is narrow, is trapezium structure, has both helped improving self intensity, helps alleviating own wt again.The spoke plate section adopts pyramid streamlined, can reduce and self stream influence, improves the performance of impeller unit.This part angle adjustable bolt is used the rare earth high-abrasive material, and other parts are used stainless steel material.
The blade top and the bottom of blade and blade attachment portion are respectively equipped with fan-catcher, fan-catcher has streamlined, and is similar to the blade cross section shape, is connected with welding manner with blade, fan-catcher is welded in apart from blade tip 0.21-0.22 double-length degree place, to reduce the moment of flexure on the blade.Fan-catcher is provided with position limit socket, cooperates the pivot angle scope of meeting the stream angle of attack or control blade of adjusting vane with angle adjustable bolt.Position limit socket is provided with double-deck axle sleeve, links to each other with spoke part by rotating shaft.This part position limit socket uses rare earth Wear Resisting Steel material, and other parts are used stainless steel material.
The solution of the present invention two is that with scheme one difference spoke part adopts articulated manner to link to each other with blade and blade attachment portion, and ball pivot one end and spoke plate are connected, and the other end links to each other with bolt with position limit socket by free bearing.Ball pivot adopts rare earth Wear Resisting Steel material, and other compositions are identical with scheme one with working method.
Scheme one:
As Fig. 1, Fig. 3 and shown in Figure 4, be fixed with two wheel discs 2 with welding manner on the main shaft 1 of main shaft and wheel disc portion, wheel disc 2 lays respectively at the bottom and the top of main shaft 1.Wheel disc 2 bottom surfaces, below are concordant with the main shaft bottom surface, have connecting groove 13 on the wheel disc 2 up and down, have two groove attachment holes 14 on the groove, link to each other with spoke part by connecting bolt 3.This part body all uses stainless steel material.
As Fig. 1, Fig. 3 and shown in Figure 5, spoke plate 4 one ends of spoke part have two spoke plate connecting hole 15, are used to connect main shaft and wheel disc portion, and the other end is provided with two limiting leg 6 and a solid bearing bush 7.Limiting leg 6 is provided with angle adjustable bolt 5, is used to change blade and meets the stream angle of attack or control blade pivot angle scope; Solid bearing bush 7 joins by rotating shaft 11 and blade and blade attachment portion.Spoke plate 4 one ends are wide, and an end is narrow, are trapezium structure, both helped improving self intensity, help alleviating own wt again.Spoke plate 4 sections adopt pyramid streamlined, can reduce and self stream influence, improve the performance of impeller unit, and Design and Machining is convenient.The angle adjustable bolt 5 of this part is used rare earth Wear Resisting Steel material, and other members use stainless steel material.
As Fig. 1, Fig. 3 and shown in Figure 6, blade 12 top and the bottom of blade and blade attachment portion are respectively equipped with fan-catcher 10, and fan-catcher 10 has streamlined, and is similar to blade 12 cross section shapes, are connected with welding manner with blade 12.Fan-catcher 10 is provided with position limit socket 9, cooperates the pivot angle scope of meeting the stream angle of attack or control blade 12 of adjusting vane 12 with angle adjustable bolt 5.Position limit socket 9 is provided with double-deck axle sleeve 8, links to each other with spoke part by rotating shaft 11.The position limit socket 9 of this part uses rare earth Wear Resisting Steel material, and other members use stainless steel material.
Scheme two:
As shown in Figure 2, spoke plate 4 one ends of spoke part are fixed with ball pivot 16, and ball pivot 16 is provided with free bearing 17, and free bearing 17 links to each other with blade and blade attachment portion by bolt, and other compositions and working method are identical with scheme one.
The impeller unit working procedure of tidal current generator is as follows:
The impeller unit of this tidal current generator can be the 3-6 leaf form, is connected by the mode of Fig. 1 (or Fig. 2) and Fig. 3, and is fixed on floating platform or speciality boats and ships below, links to each other with tidal current generator.When trend exists, trend is load application on blade 12, the load of blade 12 is by the effect of fan-catcher 10, position limit socket 9, double-deck axle sleeve 8 and rotating shaft 11 (ball pivot 16 and free bearing 17), connecting bolt 3 and wheel disc 2 etc., main shaft 1 is formed moment of torsion, drive main shaft 1 and rotate, and then drive generator for electricity generation.
When the use zone of trend environment generation seasonal variety or tidal generating set changes, can change the radius of gyration of impeller unit by the transposing spoke part, adapt to trend environment or trend zone, also can be according to trend environment or trend zone, change the pivot angle scope of blade 12 or becoming the angle of attack and fixedly switching between the angle of attack, and adjust fixing situations of attack lower blade meet the stream angle of attack.
Claims (8)
1. the impeller unit of a vertical-axis tide generator comprises main shaft and wheel disc portion, spoke part and blade and blade attachment portion; It is characterized in that: main shaft and wheel disc portion comprise main shaft, wheel disc, connecting groove, groove attachment hole; Spoke part comprises spoke plate, spoke plate connecting hole, limiting leg, angle adjustable bolt; Blade and blade attachment portion comprise blade, fan-catcher, position limit socket; Main shaft and wheel disc portion are connected with spoke part by connecting bolt, and spoke part and blade and blade attachment portion are rotatedly connected.
2. the impeller unit of a kind of vertical-axis tide generator according to claim 1, it is characterized in that: described spoke part and blade and blade attachment portion are rotatedly connected and are meant: spoke part is provided with solid bearing bush, blade and blade attachment portion and is provided with double-deck axle sleeve, is connected by rotating shaft between solid bearing bush and the double-deck axle sleeve.
3. the impeller unit of a kind of vertical-axis tide generator according to claim 1, it is characterized in that: described spoke part is rotatedly connected with blade and blade attachment portion and is meant: spoke part is connected by ball pivot with blade and blade attachment portion.
4. according to the impeller unit of claim 2 or 3 described a kind of vertical-axis tide generators, it is characterized in that: be fixed with two wheel discs on the main shaft of described main shaft and wheel disc portion, two wheel discs lay respectively at main shaft below and top, wheel disc bottom surface, below is concordant with the main shaft bottom surface, have three connecting grooves on two wheel discs, have attachment hole on the groove, link to each other with spoke part by connecting bolt.
5. the impeller unit of a kind of vertical-axis tide generator according to claim 4, it is characterized in that: an end of the spoke plate of described spoke part has attachment hole, be used to connect main shaft and wheel disc portion, the other end of spoke plate is provided with two limiting leg, limiting leg is provided with angle adjustable bolt, is used to change the pivot angle scope of meeting the stream angle of attack or control blade of blade.
6. the impeller unit of a kind of vertical-axis tide generator according to claim 5, it is characterized in that: described spoke plate one end is wide, and an end is narrow, is trapezium structure, and section is that pyramid is streamlined.
7. the impeller unit of a kind of vertical-axis tide generator according to claim 6, it is characterized in that: the blade top and the bottom of described blade and blade attachment portion are respectively equipped with fan-catcher, fan-catcher has streamlined, similar to the blade cross section shape, fan-catcher and blade are connected, and are positioned at apart from blade tip 0.21-0.22 double-length degree place.
8. the impeller unit of a kind of vertical-axis tide generator according to claim 7, it is characterized in that: fan-catcher is provided with position limit socket, cooperates the pivot angle scope of meeting the stream angle of attack or control blade of adjusting vane with angle adjustable bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101012864A CN101718243B (en) | 2010-01-27 | 2010-01-27 | Impeller device of vertical-axis tide generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101012864A CN101718243B (en) | 2010-01-27 | 2010-01-27 | Impeller device of vertical-axis tide generator |
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| Publication Number | Publication Date |
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| CN101718243A true CN101718243A (en) | 2010-06-02 |
| CN101718243B CN101718243B (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101012864A Expired - Fee Related CN101718243B (en) | 2010-01-27 | 2010-01-27 | Impeller device of vertical-axis tide generator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012059017A1 (en) * | 2010-11-01 | 2012-05-10 | 上海奇谋能源技术开发有限公司 | Method and apparatus for utilizing tidal energy |
| CN103292984A (en) * | 2013-05-17 | 2013-09-11 | 武汉理工大学 | Hydrodynamic performance test device for blades of vertical axis tidal energy hydroturbine |
| CN103334866A (en) * | 2013-07-11 | 2013-10-02 | 哈尔滨工程大学 | Cross-shaped tidal current energy water turbine |
| CN104989580A (en) * | 2015-07-01 | 2015-10-21 | 浙江海洋学院 | Blade bundling and fixing hub of vertical shaft tidal current energy water turbine |
| WO2016004506A1 (en) * | 2014-07-11 | 2016-01-14 | Instream Energy Systems Corp. | Hydrokinetic turbine with configurable blades for bi-directional rotation |
| CN106164473A (en) * | 2014-04-03 | 2016-11-23 | 金智完 | Tidal power generation turbine |
| CN108716450A (en) * | 2018-03-23 | 2018-10-30 | 江苏科技大学 | A kind of vertical-axis tide energy impeller unit based on helical blades |
| CN108798986A (en) * | 2018-05-21 | 2018-11-13 | 江苏科技大学 | A kind of floating-type tidal current energy and wave energy comprehensive utilization device based on frame carrier |
| CN108843484A (en) * | 2018-05-21 | 2018-11-20 | 江苏科技大学 | A kind of floating-type tidal current energy and wave energy comprehensive utilization device based on conflux carrier |
| CN110657059A (en) * | 2019-11-20 | 2020-01-07 | 徐州达娇物资贸易有限公司 | Special fan blade applied to power generation device in tidal energy abundant area |
-
2010
- 2010-01-27 CN CN2010101012864A patent/CN101718243B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012059017A1 (en) * | 2010-11-01 | 2012-05-10 | 上海奇谋能源技术开发有限公司 | Method and apparatus for utilizing tidal energy |
| CN103292984A (en) * | 2013-05-17 | 2013-09-11 | 武汉理工大学 | Hydrodynamic performance test device for blades of vertical axis tidal energy hydroturbine |
| CN103292984B (en) * | 2013-05-17 | 2016-05-04 | 武汉理工大学 | Vertical shaft tidal turbine blade hydrodynamic performance experimental rig |
| CN103334866A (en) * | 2013-07-11 | 2013-10-02 | 哈尔滨工程大学 | Cross-shaped tidal current energy water turbine |
| CN106164473A (en) * | 2014-04-03 | 2016-11-23 | 金智完 | Tidal power generation turbine |
| GB2543988B (en) * | 2014-07-11 | 2020-05-27 | Instream Energy Systems Corp | Hydrokinetic turbine with configurable blades for bi-directional rotation |
| WO2016004506A1 (en) * | 2014-07-11 | 2016-01-14 | Instream Energy Systems Corp. | Hydrokinetic turbine with configurable blades for bi-directional rotation |
| GB2543988A (en) * | 2014-07-11 | 2017-05-03 | Instream Energy Systems Corp | Hydrokinetic turbine with configurable blades for bi-directional rotation |
| CN104989580A (en) * | 2015-07-01 | 2015-10-21 | 浙江海洋学院 | Blade bundling and fixing hub of vertical shaft tidal current energy water turbine |
| CN108716450A (en) * | 2018-03-23 | 2018-10-30 | 江苏科技大学 | A kind of vertical-axis tide energy impeller unit based on helical blades |
| CN108798986A (en) * | 2018-05-21 | 2018-11-13 | 江苏科技大学 | A kind of floating-type tidal current energy and wave energy comprehensive utilization device based on frame carrier |
| CN108843484A (en) * | 2018-05-21 | 2018-11-20 | 江苏科技大学 | A kind of floating-type tidal current energy and wave energy comprehensive utilization device based on conflux carrier |
| CN110657059A (en) * | 2019-11-20 | 2020-01-07 | 徐州达娇物资贸易有限公司 | Special fan blade applied to power generation device in tidal energy abundant area |
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| Publication number | Publication date |
|---|---|
| CN101718243B (en) | 2012-06-06 |
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Granted publication date: 20120606 Termination date: 20180127 |