CN103900841A - Water turbine performance test device - Google Patents
Water turbine performance test device Download PDFInfo
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- CN103900841A CN103900841A CN201410053092.XA CN201410053092A CN103900841A CN 103900841 A CN103900841 A CN 103900841A CN 201410053092 A CN201410053092 A CN 201410053092A CN 103900841 A CN103900841 A CN 103900841A
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- hydraulic turbine
- web joint
- rotating shaft
- motor shaft
- rotating shafts
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Abstract
The invention provides a water turbine performance test device, and belongs to the field of mechanical equipment. The water turbine performance test device comprises a water turbine, big rotating shafts, a fixed frame, a locking nut, a connecting plate, a motor shaft, a stepping motor, a flange bearing, a belt, small rotating shafts and fixing holes. A plurality of big rotating shafts are mounted in the fixed frame through an upper flange bearing and a lower flange bearing, the water turbine is mounted below the big rotating shafts, and the upper flange bearing and the lower flange bearing are fixed through the locking nut. The connecting plate is mounted in the middle of the fixed frame, and a plurality of fixing holes are formed in the connecting plate. The motor shaft is mounted at one end of the connecting plate, the stepping motor is arranged on the motor shaft, the small rotating shafts are mounted at the other end of the connecting plate, and the small rotating shafts, the big rotating shafts and the motor shaft are sleeved with the belt. The connecting plate is vertically mounted in the middle of the fixed frame. The elastic motor shaft is provided with a torque sensor and a rotating speed sensor. The fixed frame is of a rectangular structure, a rectangular groove body is arranged in the fixed frame, the groove body and the flange bearings are in sliding fit, a through hole is formed in the middle of the fixed frame and used for being matched with the fixing holes, and the small rotating shafts are mounted in the fixing holes of the connecting plate.
Description
Technical field
The present invention relates to hydraulic turbine performance testing device, belong to plant equipment field.
Background technology
Marine economy has striden into the New Times leading with new and high technology, the strategic ocean new industry taking ocean new and high technology as primary feature, and the degree of depth adjustment and escalation that will speed up marine economy structure is regenerated, and becomes the scientific and technological commanding elevation that various countries fall over each other to seize.Each main maritime state of the world generally payes attention to the exploitation of regenerable marine energy.The U.S., promoting the development of regenerative resource as the foundation stone of national energy policy, is to develop in the world the country that regenerative resource is maximum; Britain has formulated the energy policy of emphasizing energy diversification since 20 century 70s, and the multiple renewable energy sources of encourage growth including ocean energy had the tidal power station technical force that builds various scales at present; Japan has set up marine science and technology center Deng Shiduoge scientific research institution.
Tide energy is a comparatively active branch of marine energy development field, and its generation mode and common water conservancy electricity generating principle are similar, utilize the drop between high and low tidal level, promote inverting element---hydraulic turbine rotation, drives generator generating.The version of the hydraulic turbine plays vital effect in this course.According to the difference of version, be divided into transverse axis, vertical pivot and the horizontal shaft type hydraulic turbine.Compare to the transverse axis hydraulic turbine and horizontal-shaft water turbine, vertical pivot water turbine type tidal current energy generating equipment has the strong adaptability of flow direction, is applicable to the features such as large scale array layout, has very strong application advantage.The difference of carrying carrier format according to the hydraulic turbine is divided into floatation type, 3 kinds of tidal current energy generating systems of bottom-sitting type and pile-column. compares with pile-column tidal current energy generating equipment with bottom-sitting type, floating-type tidal current energy generating device structure is simple, low cost of manufacture, installation and transportation are convenient, platform deck spaciousness, be convenient to the layout of genset and personnel's operation, floating-type tidal current energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) based on the vertical pivot hydraulic turbine has merged the advantage of the vertical pivot hydraulic turbine and floatation type carrier, becomes in recent years the focus of marine tidal-current energy generating research and application.
From the document of collecting at present, be by analyzing the torque characteristics on given rotating speed and incoming flow situation lower blade mostly for the research of the vertical pivot hydraulic turbine.Some has used the modeling method modeling effort of the large whirlpool aeroperformance of vertical shaft wind mill under unsteady state flow, some utilizes panel method, sets up multiple blade non-stationary motions whirlpool meta-model, blade and trailing vortex and interlobate disturbing effect while having analyzed multiple-blade associated movement.Some becomes angle of attack tidal current energy water turbine capacity usage ratio in order to improve vertical pivot, set up the mathematical optimization model of such hydraulic turbine under different operating modes, be optimized and solve in conjunction with the hydrodynamic stream tube model of the calculating hydraulic turbine taking the prismatic blade cycloidal type hydraulic turbine as prototype application genetic algorithm, provide impeller capacity usage ratio coefficient after optimizing, attack angle of blade and the drift angle Changing Pattern with position angle, and analyzed accordingly rule and reason thereof that such turbine hydrodynamic performance changes.Wang Lubing is with the research background that is designed to of tidal generation water turbine, analyze and summed up the application, the particularly application of capacity usage ratio forecast aspect in calculating of hydrodynamic performance that four kinds of stream tube models (single-deck face-single flow tube model, double plate face-single flow tube model, single-deck face-manifold tube model and double plate face-manifold tube model) based on theorem of momentum method become pitch water turbine at vertical pivot.Zhang Liangcong improves the efficiency of the trend hydraulic turbine and sets out; with reference to wind energy conversion system fan diffuser principle design a kind of kuppe that is applicable to the vertical axis straight blade hydraulic turbine. mainly consider the symmetric feature of trend work flow field, proposed 6 kinds of kuppes of two large types scheme that designs a model; Application F luent software carries out hydrodynamic performance calculating, determine that flow velocity is large, the S3 that resistance is little is optimum molded line, but these are studied under normal circumstances, at present be limited to the research to single hydraulic turbine performance about the research of the type tidal current energy generating equipment, the research that water wheels unit is disturbed is mutually less more.In practice, being all generally to arrange multiple hydraulic turbines on a carrier, between the hydraulic turbine, can producing disturbing effect, develop the phase mutual interference between a set of proving installation research hydraulic turbine, is a urgent problem at present.
Summary of the invention
The object of this invention is to provide hydraulic turbine performance testing device.
What the present invention will solve is that existing research is all the deficiency for the single hydraulic turbine.
Hydraulic turbine performance testing device, comprise the hydraulic turbine, large rotating shaft, fixed mount, set nut, web joint, motor shaft, stepper motor, flange bearing, belt, little rotating shaft and fixed orifice, in described fixed mount, by upper and lower flange bearing, multiple large rotating shafts are installed, under large rotating shaft, the hydraulic turbine is installed, upper and lower flange bearing is fixed by set nut, web joint is arranged on fixed mount middle part, on web joint, have multiple fixed orifices, web joint one end is provided with motor shaft, it on motor shaft, is stepper motor, the web joint other end is provided with little rotating shaft, little rotating shaft, on large rotating shaft and motor shaft, cover has belt.
Described web joint is vertically mounted on fixed mount middle part.
Described bullet motor shaft is provided with torque sensing and speed probe.
Described fixed mount is rectangular configuration, inside establishes rectangle cell body, and cell body and flange bearing be for being slidably matched, the fixing drive mechanism that do not affect realizing multiple large rotating shaft when.
Described fixed mount middle part is provided with through hole, for coordinating with fixed orifice, realizes fixed mount and coordinates with the activity of web joint and regulate.
Described little rotating shaft is arranged in the fixed orifice of web joint.
Advantage of the present invention: this equipment can be tested the phase mutual interference of multiple hydraulic turbines, the marine actual hydraulic turbine generating state of more real simulation, significant for follow-up hydraulic turbine performance boost, should there are market outlook widely.
Brief description of the drawings
Fig. 1 is the vertical view of hydraulic turbine performance testing device of the present invention;
Fig. 2 is the upward view of hydraulic turbine performance testing device of the present invention;
In figure: 1, the hydraulic turbine 2, large rotating shaft 3, fixed mount 4, set nut 5, web joint 6, motor shaft 7, stepper motor 8, flange bearing 9, belt 10, little rotating shaft 11, fixed orifice.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Hydraulic turbine performance testing device, comprise the hydraulic turbine 1, large rotating shaft 2, fixed mount 3, set nut 4, web joint 5, motor shaft 6, stepper motor 7, flange bearing 8, belt 9, little rotating shaft 10 and fixed orifice 11, in described fixed mount 3, by upper and lower flange bearing 8, multiple large rotating shafts 2 are installed, large rotating shaft is provided with the hydraulic turbine 12 times, upper and lower flange bearing 8 is fixed by set nut 4, web joint 5 is arranged on fixed mount 3 middle parts, on web joint 5, have multiple fixed orifices 11, web joint 5 one end are provided with motor shaft 6, it on motor shaft 6, is stepper motor 7, web joint 5 other ends are provided with little rotating shaft 10, little rotating shaft 10, on large rotating shaft 2 and motor shaft 6, cover has belt 9.
Described web joint 5 is vertically mounted on fixed mount 3 middle parts.
Described motor shaft 6 is provided with torque sensing and speed probe.
Described fixed mount 3 is rectangular configuration, inside establishes rectangle cell body, and cell body and flange bearing 8 be for being slidably matched, the fixing drive mechanism that do not affect realizing multiple large rotating shaft 2 when.
Described fixed mount 3 middle parts are provided with through hole, for coordinating with fixed orifice 11, realize fixed mount 3 and coordinate with the activity of web joint 5 and regulate, and can also regulate easily the contact area between belt 9 and a rotating shaft simultaneously, to obtain to greatest extent driving force.
Described little rotating shaft 10 is arranged in the fixed orifice 11 of web joint 5, in the time that belt 9 is loosening, can belt 9 be strained by the variation of little rotating shaft 10 positions, to realize effective transmission of power.
Using method of the present invention: according to actual needs multiple hydraulic turbines 1 are fixed on fixed mount 3, drive its rotation by stepper motor 7 by belt 9, while motor shaft 6 is provided with torque sensing and is connected with computer system with speed probe, utilize the hydrodynamic performance of CFD methods analyst horizontal shaft water-turbine, in towing basin, carry out model test checking simultaneously, consider the layout of the hydraulic turbine on floating carrier simultaneously, study the hydrodynamic force interference characteristic between two or more hydraulic turbines.Can analyze hydraulic turbine spacing, speed of incoming flow size and the impact of speed of incoming flow direction on water wheels unit interference characteristic, can provide technical support for the exploitation of marine tidal-current energy.
Claims (6)
1. hydraulic turbine performance testing device, comprise the hydraulic turbine (1), large rotating shaft (2), fixed mount (3), set nut (4), web joint (5), motor shaft (6), stepper motor (7), flange bearing (8), belt (9), little rotating shaft (10) and fixed orifice (11), it is characterized in that: in described fixed mount (3), by upper and lower flange bearing (8), multiple large rotating shafts (2) are installed, under large rotating shaft (2), the hydraulic turbine (1) is installed, upper and lower flange bearing (8) is fixed by set nut (4), web joint (5) is arranged on fixed mount (3) middle part, on web joint (5), have multiple fixed orifices (11), web joint (5) one end is provided with motor shaft (6), motor shaft (6) is upper is stepper motor (7), web joint (5) other end is provided with little rotating shaft (10), little rotating shaft (10), the upper cover of large rotating shaft (2) and motor shaft (6) has belt (9).
2. hydraulic turbine performance testing device according to claim 1, is characterized in that: described web joint (5) is vertically mounted on fixed mount (3) middle part.
3. hydraulic turbine performance testing device according to claim 1, is characterized in that: described motor shaft (6) is provided with torque sensing and speed probe.
4. hydraulic turbine performance testing device according to claim 1, it is characterized in that: described fixed mount (3) is rectangular configuration, inside establish rectangle cell body, cell body and flange bearing (8) be for being slidably matched, the fixing drive mechanism that do not affect realizing multiple large rotating shafts (2) when.
5. hydraulic turbine performance testing device according to claim 1, is characterized in that: described fixed mount (3) middle part is provided with through hole, for and fixed orifice (11) coordinate, realize that fixed mount (3) coordinates with the activity of web joint (5) and adjusting.
6. hydraulic turbine performance testing device according to claim 1, is characterized in that: described little rotating shaft (10) is arranged in the fixed orifice (11) of web joint (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053092.XA CN103900841A (en) | 2014-05-06 | 2014-05-06 | Water turbine performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053092.XA CN103900841A (en) | 2014-05-06 | 2014-05-06 | Water turbine performance test device |
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| CN103900841A true CN103900841A (en) | 2014-07-02 |
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| CN201410053092.XA Pending CN103900841A (en) | 2014-05-06 | 2014-05-06 | Water turbine performance test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067301A (en) * | 2020-09-10 | 2020-12-11 | 宁波大学科学技术学院 | S-shaped water turbine combination mode comprehensive performance test experimental device |
| CN113790894A (en) * | 2021-09-07 | 2021-12-14 | 贵州航天天马机电科技有限公司 | Water turbine efficiency conversion verification test bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010031793A (en) * | 2008-07-30 | 2010-02-12 | Michihiro Oe | Tidal current power generating device |
| JP2010031791A (en) * | 2008-07-30 | 2010-02-12 | Michihiro Oe | Hydro-electric generating device |
| US20100162802A1 (en) * | 2008-12-25 | 2010-07-01 | Hitachi, Ltd. | Steam turbine test facility, low-load test method, and load dump test method |
| 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 |
| CN203443537U (en) * | 2013-07-28 | 2014-02-19 | 国家电网公司 | Water turbine unit guide vane opening testing device |
-
2014
- 2014-05-06 CN CN201410053092.XA patent/CN103900841A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010031793A (en) * | 2008-07-30 | 2010-02-12 | Michihiro Oe | Tidal current power generating device |
| JP2010031791A (en) * | 2008-07-30 | 2010-02-12 | Michihiro Oe | Hydro-electric generating device |
| US20100162802A1 (en) * | 2008-12-25 | 2010-07-01 | Hitachi, Ltd. | Steam turbine test facility, low-load test method, and load dump test method |
| 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 |
| CN203443537U (en) * | 2013-07-28 | 2014-02-19 | 国家电网公司 | Water turbine unit guide vane opening testing device |
Non-Patent Citations (2)
| Title |
|---|
| 安佰娜: "潮流能发电场尾流场数值模拟及其多机组影响规律研究", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
| 李广年 等: "竖轴潮流能水轮机水动力性能水池试验分析", 《中国造船》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067301A (en) * | 2020-09-10 | 2020-12-11 | 宁波大学科学技术学院 | S-shaped water turbine combination mode comprehensive performance test experimental device |
| CN113790894A (en) * | 2021-09-07 | 2021-12-14 | 贵州航天天马机电科技有限公司 | Water turbine efficiency conversion verification test bed |
| CN113790894B (en) * | 2021-09-07 | 2023-09-26 | 贵州航天天马机电科技有限公司 | Test bed for efficiency conversion verification of water turbine |
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Application publication date: 20140702 |