CN102918259B - Fluid power motor - Google Patents
Fluid power motor Download PDFInfo
- Publication number
- CN102918259B CN102918259B CN201180026549.2A CN201180026549A CN102918259B CN 102918259 B CN102918259 B CN 102918259B CN 201180026549 A CN201180026549 A CN 201180026549A CN 102918259 B CN102918259 B CN 102918259B
- Authority
- CN
- China
- Prior art keywords
- guidance set
- power motor
- fluid power
- impeller
- turbine cylinder
- 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
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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
- F03B3/186—Spiral or volute casings
-
- 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 present invention relates to hydraulic power engineering, particularly relate to reaction fluid power motor.Described fluid power motor comprises guidance set 3, turbine cylinder 1, impeller 9, and draft tube, and impeller 9 comprises and has blades installation body thereon and be attached on the axle that assembles within the bearing.Turbine cylinder 1 manufactures the shape of hollow circular cylinder, and wherein, its end is connected to guidance set 3, and the other end is connected to draft tube 14, and impeller blade is directly positioned in cylindrical cavity.Guidance set 3 is mounted before turbine cylinder 1.Described impeller is removably assembled on described axle.The design of described fluid power motor is simplified, and its performance is enhanced and function is expanded.
Description
Technical field
The present invention relates to hydraulic power engineering, be specifically related to reaction fluid power motor, be intended for the hydraulic power mechanism in water power plant, it uses working fluid-water on the drop of wide range.Fluid power motor can be used in producing mechanical energy and the pressure feed of working fluid.
Background technique
Known fluid power motor comprises scroll casing type turbine cylinder, the fin of multiblade guidance set, impeller and water supply and water outlet member, wherein, scroll casing type turbine cylinder is connected to the circumferential band of turbine stator, multiblade guidance set is arranged between the circumferential band of turbine stator, impeller to be arranged in wheel chamber and to be attached to (RF patent No.2306452, IPCF03B3/00 on axle rigidly, on October 28th, 2005 proposes, and on August 20th, 2007 is open).
The shortcoming of described known fluid power motor is its design complexity, it is characterized in that the guidance set of the fluid power motor of sequentially wound impeller, turbine stator and scroll casing type turbine cylinder size are very large, thus relative to described impeller size and increase turbo machine horizontal dimension 2 to 3 times.Current bear multi-texturing in this turbo machine, cause sizable hydraulic slip, it reduce the performance of turbo machine and functional.
With regard to the technique effect of technical spirit and realization; closest claimed technological scheme is that Kwiatkowski fluid power motor is (see " Г и д р а в л и ч e с к и e т у р б и н ы " [hydraulic turbine unit]; the generating of TsNII [central research institute] heavy type and Transport Machinery manufactory; sequence 18-7-75; Moscow; 1975,127th page.(" Г и д р а в л и ч e с к и e т у р б и н ы " [HydraulicTurbines] TsNII [CentralScientificResearchInstitute] ofHeavyPowerGenerationandTransportationMachineBuildingIn dustry, series18-7-75, Moscow, 1975, p.127)), it comprises guidance set, turbine cylinder, impeller and draft tube (drafttube), wherein, described impeller comprises blades installation body thereon and is releasably attached on the axle that assembles within the bearing.
In known fluid power motor, described turbine cylinder has spiral shape, and its axis location in the same plane.Described spiral turbine cylinder utilizes lining to be attached to rigidly in two circumferential band of stator, is provided with pillar between which.
Described guidance set utilizes its upper and lower ring to be connected to upper bands and the lower bands of described stator, and wherein said guidance set fin is arranged between described ring, has the possibility using driving mechanism to rotate.The vaned impeller of described tool is positioned in specific wheel chamber, and the shape of specific wheel chamber is a spherical part, is placed in after described guidance set.
The shortcoming of described known fluid power motor is its design complexity and its manufacture and the high amount of labour of installation, because use size is large and the spiral housing of parts of metal concentration, stator, draft tube and impeller, and need to use rotating mechanism huge especially to change the position of guidance set blade.This design arrangement of described known fluid power motor also needs large labour expenditure to carry out factory's manufacture, the transport of single parts and installation.
Described known fluid power motor also has low specific power and limited performance and function.This is because current move in the multiloop flow channel of hydraulic turbine unit, the rotation namely in described spiral shaped housing, the outlet between described stator pillar, the passage between guidance set fin, rotation on described impeller and rotate in described bending draft tube.Due to geometric cross-section uneven in the single parts of fluid power motor, this causes speed to distribute unevenly in described flowing, these current cause sizable hydraulic slip in each parts of described flow channel, in the draft tube be not especially in fact stored at the described current rotated.
Summary of the invention
Basis of the present invention is following object: utilize the neotectonics of single parts and relative position to improve the design of described fluid power motor, be convenient to by improving dynamic characteristic and by using the potential energy of current to optimize water flow lines in described motor flow channel efficiently, this makes to simplify the design of described fluid power motor and reduces the overall dimensions of described fluid power motor, increase its throughput and specific power, and improve performance and its functional high efficiency simultaneously ensureing it of expansion of fluid power motor.
According to the present invention, described object is solved by a kind of fluid power motor, described fluid power motor comprises guidance set, turbine cylinder, impeller and draft tube, wherein, described impeller comprises blades installation body thereon and removably assembles on the axle installed within the bearing, its main points are helical cylindrical bodys that turbine cylinder is manufactured into hollow, and its end is connected to described guidance set and the other end is connected to draft tube.Described impeller blade is directly positioned in the cylindrical cavity of described helical, and described guidance set was installed before described turbine cylinder.Another main points are that the nominal inside diameter of described turbine cylinder equals described impeller diameter, and described guidance set manufactures the form of fan-shaped strobe unit, and it is arranged in its chamber in pivotal support.Other main points are that described guidance set manufactures gating component, it comprises two fan-shaped strobe units, they relative to described water pipe axisymmetrical to install and each fan-shaped strobe unit is positioned in the respective chamber in pivotal support, thus in " closedown " position, they have common junction line.
The advantage of proposed fluid power motor makes the shape of described turbine cylinder be the uniform crosssection that the current from guidance set to draft tube are directly guaranteed in the helical cylindrical body of hollow and the position of impeller blade in the spiral chamber of described turbine cylinder, and this causes the dynamic characteristic improving described flowing.This makes the throughput of the described fluid power motor of increase and specific power become possibility, and the performance that fluid power motor significantly improves it makes to use it to become possibility on large-scale drop with its function of expansion.
In addition, in described fluid power motor design, described helical turbine engine housing is also used as described wheel chamber, and for this reason, its size is reduced to the size of described wheel chamber; Here preferably, the nominal inside diameter of described turbine cylinder equals described wheel chamber.This also contribute to simplified design and thus reduce the master unit of described fluid power motor overall dimensions-described assembly be used for draining drop is transformed into mechanical energy.The position of described guidance set in total structure of described fluid power motor is before described turbine cylinder, and this guarantees that the glassware for drinking water being supplied to it has minimal energy losses.Due to the neotectonics of the single parts of described fluid power motor, achieve and make the shape of described turbine cylinder be hollow screw cylindrical body and make described guidance set be positioned at the optimal route achieving conveying current before described turbine cylinder, significantly improve the dynamic characteristic of flowing due to the minimizing of the spinning quantity in described fluid power motor flow channel.Because the described current flowing through described motor flow channel suffer double distortion, flow reposefully around described guidance set and move along the helical trajectory in described turbine cylinder, this is possible.This guarantees the reduction of the energy loss of the flow channel along described fluid power motor and the increase of water velocity uniformity, make the increase of described specific power and throughput be called possibility, improve its performance and its function of expansion and its efficiency is guaranteed in the design simplifying it simultaneously.
In addition, described guidance set is made to be fabricated to the form of fan-shaped strobe unit, to there is provided in total structure of described motor the minimum hydraulic pressure resistance of current and in described flowing outside in described " standard-sized sheet " position, and in fact flowed friction not being produced to working fluid, this makes the hydraulic pressure potential energy using current to greatest extent become possibility and improves the dynamic characteristic of described fluid power motor flow channel.And it makes the function expanding described fluid power motor become possibility, can use at the water pipe with low-down drop and have it, no matter the shape of described water pipe and cross section.
The form of described guidance set is made to be fabricated to such gating component, namely described gating component comprises two fan-shaped strobe units, they relative to described water pipe axisymmetrical install and be positioned in the respective chamber in pivotal support respectively, make it possible to the useful cross section hydraulic control engine power more smoothly by changing described water pipe from 0% to 100%, and thus can provide the specific current flowing through described turbine cylinder, and then expand the function of described fluid power motor.
Accompanying drawing explanation
The concrete example and accompanying drawing that use its mode of execution are explained the present invention below, in the accompanying drawings:
Fig. 1 schematically shows described fluid power motor;
Fig. 2 is the section A-A in Fig. 1;
Fig. 3 is the view B in Fig. 1;
Fig. 4 is the section B-B (described strobe unit is in " fully open position ") in Fig. 1;
Fig. 5 is the section B-B (described strobe unit is in " closed position ") in Fig. 1;
Fig. 6 shows described gating component, and the first and second strobe units in wherein said fluid power motor water pipe are in " cut out " position (section B-B in Fig. 1); And
Fig. 7 shows described gating component, and the first and second strobe units in wherein said fluid power motor water pipe are in " opening " position (section B-B in Fig. 1).
Embodiment
Described fluid power motor comprises turbine cylinder 1, and its shape is made for hollow double pitch auger cylindrical body.An end 2 of turbine cylinder 1 such as utilizes and is attached to guidance set 3 with being welded and fixed, and guidance set 3 has again driver 4, and when supplying water to turbine cylinder 1, driver 4 is used to open or close guidance set 3.The form of guidance set 3 is made for fan-shaped strobe unit 5, and fan-shaped strobe unit 5 to be positioned in closed chamber 6 and to rotate in pivotal support 7.The diameter of the body 8 of impeller 9 equals the nominal diameter of turbine cylinder 1, and the body 8 of impeller 9 is releasably attached on axle 10, and axle 10 to be installed on bearing 11 and to be attached to outboard engine (not shown) in a kinematic fashion.The body 8 that the blade 12 of impeller 9 is assembled to impeller 9 is rigidly installed in the chamber of turbine cylinder 1.Blade 12 can be assembled on body 8, it have relative to relative to described turbine axis with an angle, such as right angle location axis rotate possibility.
The other end 13 of turbine cylinder 1 is rigidly connected to draft tube 14, and draft tube 14 is made for DC tube.
The form of described fluid power motor guidance set can be made for gating component, and it comprises strobe unit 5 and fan-shaped device 15, and strobe unit 5 is installed in closed chamber 6, and fan-shaped device 15 is installed symmetrically relative to the axis of water pipe 17 and fan-shaped device 5.
Fan-shaped device 15 is installed by this way, and when namely two fan-shaped devices 15 and 5 are closed completely, they form common junction line 18.
Described fluid power motor works as follows.
Water is supplied to turbine cylinder 1 from penstock 17 by the strobe unit 5 opened of guidance set 3 under the sump pressure of top.The discharge being supplied to the water of turbine cylinder 1 uses driver 4 to control, and driver 4 is towards opening or closing the fan-shaped strobe unit 5 rotating and install in closed chamber 6.When use fan-shaped strobe unit 5 and 15 relative to water pipe 17 axisymmetrical install gating component time, these devices are synchronously towards opening or closing rotation.
Then, along the helical trajectory movement in the spiral chamber of turbine cylinder 1 current through impeller 9 blade 12 space, leave from the other end 13 of helical turbine engine housing, and enter pond, downstream by draft tube 14.
When water flows through impeller 9, its pressure of water release and velocity head energy, it is transformed into the mechanical energy of axle 10, produces torque by this.Mechanical energy is delivered to the rotor (not shown) of generator from impeller 9.When fluid power motor is run with pumping mode, mechanical energy is delivered to impeller 9, and impeller 9 rotates in the opposite direction and transfers energy to reverse current.
Fluid power motor required for protection is compact, it is characterized in that its high throughput and specific power, and can connect the penstock with arbitrary cross section.For this reason, described motor can at the low water drop of wide range, such as upper use from 1m to 50m.Its relatively little overall dimensions and the possibility of the described fluid power motor of use construct with Arbitrary 3 D but do not increase structure member, and this can use fluid power motor required for protection in low head water power plant, replaces the water power unit of complicated submergence.Here, described impeller is buried in below sink liquid level to avoid cavitation not need construction work.Fluid power motor required for protection is used, this energy that can low head be used efficiently to maintain and formation has the building of smaller szie in the hydraulic power unit in the water power plant stored with pumping of water power.
Industrial applicibility
The industrial applicibility of fluid power motor required for protection proves with its possibility of family expenses material and facility manufacture of use existence under using the industrial application condition that is equipped in of existence.
Claims (4)
1. a fluid power motor, comprises guidance set, turbine cylinder, impeller and draft tube, and described guidance set is equipped with driver, described impeller comprises and has blades installation body thereon, and described impeller is removably assembled on axle, and described axle is assembled in bearing, wherein
Described turbine cylinder manufactures the cylindrical form of hollow double pitch auger, an end of described spiral circle cylinder is connected to described guidance set and the other end connects described draft tube, described impeller blade is directly positioned in the cavity of described spiral circle cylinder, and described guidance set is arranged on before described turbine cylinder.
2. fluid power motor according to claim 1, is characterized in that,
The nominal inside diameter of described turbine cylinder equals described impeller diameter.
3. fluid power motor according to claim 1, is characterized in that,
Described guidance set manufactures the form of fan-shaped strobe unit, and described fan-shaped strobe unit is arranged on and is arranged in chamber in pivotal support, guidance set.
4. fluid power motor according to claim 1, is characterized in that,
Described guidance set manufactures two forms of fan-shaped strobe units of joining, described two join fan-shaped strobe units about guidance set axisymmetrical install.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UAU201003612U UA52552U (en) | 2010-03-29 | 2010-03-29 | Adjustable-blade hydraulic machine |
| UAU201003612 | 2010-03-29 | ||
| UAU201008388 | 2010-07-05 | ||
| UAU201008388U UA56377U (en) | 2010-07-05 | 2010-07-05 | SAMOILENKOs HYDRAULIC MACHINE |
| PCT/UA2011/000006 WO2011123085A1 (en) | 2010-03-29 | 2011-01-31 | Hydraulic engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102918259A CN102918259A (en) | 2013-02-06 |
| CN102918259B true CN102918259B (en) | 2016-02-17 |
Family
ID=44712514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180026549.2A Expired - Fee Related CN102918259B (en) | 2010-03-29 | 2011-01-31 | Fluid power motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102918259B (en) |
| WO (1) | WO2011123085A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550569A (en) * | 2020-04-22 | 2020-08-18 | 中国科学院力学研究所 | Opening and closing device suitable for combustion chamber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU918617A1 (en) * | 1979-01-02 | 1982-04-07 | Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Control valve |
| JPS58128470A (en) * | 1982-01-27 | 1983-08-01 | Hitachi Ltd | Once-through hydraulic turbine |
| NL8500055A (en) * | 1985-01-10 | 1986-08-01 | Jansen Venneboer B V | Water powered generator with fixed blade turbine - mounted on vertical shaft with flow controlled by butterfly valve |
| RU2030670C1 (en) * | 1991-12-17 | 1995-03-10 | Институт горной механики им.Г.А.Цулукидзе АН Грузии | Check valve |
| CN201176907Y (en) * | 2008-03-25 | 2009-01-07 | 湘阴县兴农机械有限公司 | Hydroturbine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB729097A (en) * | 1953-03-25 | 1955-05-04 | Thompson Prod Inc | Improvements in or relating to turbine units and turbine driven fuel pumps |
| JPS5891371A (en) * | 1981-11-24 | 1983-05-31 | Koichi Totsugi | Water wheel |
| SU1105682A2 (en) * | 1983-01-07 | 1984-07-30 | Проектно-Конструкторский И Технологический Институт "Водавтоматика И Метрология" | Microhydroelectric station |
| SU1134766A1 (en) * | 1983-08-18 | 1985-01-15 | Lashkov Anatolij S | Method of stopping hydraulic turbine |
| FR2811719B1 (en) * | 2000-07-12 | 2002-12-06 | Alstom Power Nv | HYDRAULIC POWER CONVERSION INSTALLATION COMPRISING A TURBINE AND A TURBINE SUPPLY COVER |
| US7794196B2 (en) * | 2004-08-27 | 2010-09-14 | David George Demontmorency | Guide-case for water turbine |
-
2011
- 2011-01-31 CN CN201180026549.2A patent/CN102918259B/en not_active Expired - Fee Related
- 2011-01-31 WO PCT/UA2011/000006 patent/WO2011123085A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU918617A1 (en) * | 1979-01-02 | 1982-04-07 | Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Control valve |
| JPS58128470A (en) * | 1982-01-27 | 1983-08-01 | Hitachi Ltd | Once-through hydraulic turbine |
| NL8500055A (en) * | 1985-01-10 | 1986-08-01 | Jansen Venneboer B V | Water powered generator with fixed blade turbine - mounted on vertical shaft with flow controlled by butterfly valve |
| RU2030670C1 (en) * | 1991-12-17 | 1995-03-10 | Институт горной механики им.Г.А.Цулукидзе АН Грузии | Check valve |
| CN201176907Y (en) * | 2008-03-25 | 2009-01-07 | 湘阴县兴农机械有限公司 | Hydroturbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102918259A (en) | 2013-02-06 |
| WO2011123085A1 (en) | 2011-10-06 |
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Granted publication date: 20160217 Termination date: 20170131 |
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