CN107299874B - A kind of axial flow pump hydraulic turbine with double-clutch mechanism - Google Patents
A kind of axial flow pump hydraulic turbine with double-clutch mechanism Download PDFInfo
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- CN107299874B CN107299874B CN201611149428.8A CN201611149428A CN107299874B CN 107299874 B CN107299874 B CN 107299874B CN 201611149428 A CN201611149428 A CN 201611149428A CN 107299874 B CN107299874 B CN 107299874B
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- blade
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- 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
- F03B3/10—Machines or engines of reaction type; Parts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
- F03B3/106—Machines or engines of reaction type; Parts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines the turbine wheel and the pumps wheel being mounted in adjacent positions on the same shaft in a single casing
-
- 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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/126—Rotors for essentially axial flow, e.g. for 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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/548—Specially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of axial flow pump hydraulic turbine with double-clutch mechanism, it is made of water-inlet horn pipe, entry guide vane, disengaging type impeller mechanism, disengaging type guide vane mechanism, exit guide blade, the bend pipe pump housing and motor/generator, wherein design of the guide vane of axial-flow pump based on the hydraulic turbine, clutch structure is equipped in the inside of impeller and guide vane, when motor drives the pump operating condition of main shaft rotation, the rotation of clutch impeller is done work, and the clutch structure of guide vane is in discrete state, and guide vane does not rotate；When water flow is flow backwards, guide vane drives main shaft to do work generator as turbine impeller, and axial wheel is as guide vane, internal clutch structure separation, its rotation is not driven, the stability for substantially increasing unit is protected using this double clutch structures, and it is simple with structure, high reliablity, it is easy to install the features such as.
Description
Technical field
The present invention relates to pump turbines, are related specifically to a kind of axial flow pump hydraulic turbine with double-clutch mechanism.
Background technique
Pump turbine is the Novel flush accumulation of energy unit occurred the 1930s, with the hydraulic turbine and the concatenated storage of water pump
Energy unit is compared, and weight considerably reduces, and cost reduces, thus is used widely.It is used when runner rotates in the forward direction as pump,
The Reversible Hydraulic Machinery used when reverse rotation as the hydraulic turbine.It is the power-equipment of hydroenergy storage station.Pump turbine
It is almost the same with the applicable head range of reaction turbine.The geometry of its passage component and the hydraulic turbine are different, but
It is main component and structure is similar in many aspects.For the requirement for meeting two kinds of operating conditions of water pump and the hydraulic turbine, water pump
The hydraulic turbine is bigger than the turbine size of identical head and capacity.The trend of pump turbine from now on is to expand the use of single-stage runner
Head improves specific speed, increases single-machine capacity and optimization pump operating condition starting method.The classification of pump turbine and reaction type water
Turbine is similar, divides mixed-flow, diagonal flow type and three kinds tubular by water flow path.
Continuous increase of the people for electricity needs utilizes clean energy resource in order to more efficient and rational, has both hair
Electricity and accumulation of energy effect high stability pump turbine play the role of it is highly important, due to pump turbine head and
Revolving speed is higher and starting, shuts down frequently, but its wild effect for occurring during converting operating condition, will seriously affect unit
Stability.In order to improve the set steady of pump turbine, the present invention provides a kind of axial-flow type water with double-clutch mechanism
Pump turbine structure, the guide vane of axial-flow pump are equipped with clutch structure in the inside of impeller and guide vane based on the design of the hydraulic turbine, when
When motor drives the pump operating condition of main shaft rotation, the rotation acting of clutch impeller, the clutch structure of guide vane is in separation
State, guide vane do not rotate；When water flow is flow backwards, guide vane drives main shaft to do work generator as turbine impeller, and axis stream leaf
Wheel is used as guide vane, and internal clutch structure separation is not driven its rotation, the stabilization of unit is substantially increased using this structure
Property.
Summary of the invention
The present invention provides a kind of axial flow pump hydraulic turbine structure with double-clutch mechanism, design principle are as follows: axial-flow pump
Design of the guide vane based on the hydraulic turbine, be equipped with clutch structure in the inside of impeller and guide vane, when motor drive main shaft rotation
When pump operating condition, the rotation of clutch impeller is done work, and the clutch structure of guide vane is in discrete state, and guide vane does not rotate；When
When water flow is flow backwards, guide vane drives main shaft to generator acting as turbine impeller, and axial wheel is as guide vane, it is internal from
Structure separation is closed, does not drive its rotation.
Realizing technical solution used by above-mentioned purpose is:
A kind of axial flow pump hydraulic turbine with double-clutch mechanism of the present invention, the axial flow pump hydraulic turbine
By water-inlet horn pipe, entry guide vane, disengaging type impeller mechanism, disengaging type hydraulic turbine mechanism, exit guide blade, the bend pipe pump housing and motor
It is formed with generator integrated device, specifically by entry guide vane prismatic blade, casing one, entry guide vane wheel hub, spine tooth, spring one, key
One, impeller hub, axial blade, clutch one, plane sliding bearing seat ring one, plane sliding bearing seat ring two, limiting card
Ring, plane sliding bearing seat ring three, plane sliding bearing seat ring four, spring two, key two, clutch two, turbine blade, water
Turbine wheel hub, pin, casing two, casing three, exit guide blade prismatic blade, exit guide blade wheel hub, transmission shaft, water-inlet horn pipe, bend pipe
The pump housing, shaft coupling, motor and generator integrated device, special ratchet, sliding bearing one, second-class 32 parts of sliding bearing
Composition, wherein disengaging type impeller mechanism is by spring one, key one, impeller hub, axial blade, clutch one, planar slide axis
Hold seat ring one, two or seven part of plane sliding bearing seat ring composition, disengaging type hydraulic turbine mechanism is by plane sliding bearing seat ring three, flat
Face sliding bearing seat ring four, spring two, key two, clutch two, turbine blade, turbine wheel hub, eight part of pin composition；
The special ratchet and impeller hub is fixedly mounted, and one end sliding of special ratchet and entry guide vane wheel hub connects
There are ratchet in touching, one end of special ratchet, are intermeshed work, the clutch with the spine tooth for being mounted on entry guide vane hub interior
The clutch of formula impeller mechanism is one-way clutch, and the end that clutch one is in contact with impeller hub is all annular dentation
Structure is intermeshed work, makes disengaging type impeller mechanism can only be in the single direction rotation of pump operating condition；
The clutch of the disengaging type hydraulic turbine mechanism is one-way clutch, clutch two and turbine wheel hub phase
The end that the end of contact is in contact all is that annular dentalation cooperates with each other, and pin is fixed on turbine wheel hub and outlet
The arc groove of guide vane wheel hub one end cooperates with each other, and makes disengaging type hydraulic turbine mechanism can only be in the unidirectional rotation of hydraulic turbine condition
Turn；
The inner surface of the exit guide blade wheel hub and special ratchet is not contacted with the outer surface of transmission shaft, impeller hub,
Matching between clutch one, clutch two and turbine wheel hub and transmission shaft is combined into wide arc gap cooperation, plane sliding bearing
Seat ring one and plane sliding bearing seat ring four are ladder truncated cone-shaped structure, the outer end face and impeller of plane sliding bearing seat ring one
One end transition fit of wheel hub, the inner surface of plane sliding bearing seat ring one and the outer surface wide arc gap of transmission shaft cooperate, plane
The outer end face of sliding bearing seat ring four and one end transition fit of turbine wheel hub, the inner surface of plane sliding bearing seat ring four with
The outer surface wide arc gap of transmission shaft cooperates, the inner surface and transmission of plane sliding bearing seat ring two and plane plain bearing housing circle three
The outer surface of axis does not contact；
The transmission shaft is equipped with card slot, and limited location snap ring is mounted on card slot, and limited location snap ring exists to disengaging type impeller mechanism
The position of transmission shaft is positioned, and limited location snap ring limits disengaging type hydraulic turbine mechanism in the moving displacement range of transmission shaft；
The axial flow pump hydraulic turbine with double-clutch mechanism, in pump operating condition work, motor drives transmission shaft
Rotation, transmission shaft drive the rotation of clutch one, and clutch one and impeller hub are in the state of closure, thus clutch
The rotation of structure one impeller wheel hub and axial blade, and the ratchet of special ratchet does not work with spine tooth, guarantees clutch one
Single direction rotation, and disengaging type hydraulic turbine mechanism is under the action of impact of water, and upward exit guide blade wheel hub direction is mobile, the hydraulic turbine
Pin card on wheel hub is in the arc groove of exit guide blade wheel hub, and spring two is compressed, at clutch two and turbine wheel hub
In discrete state, rotate disengaging type hydraulic turbine mechanism not；In hydraulic turbine condition, under the action of impact of water, disengaging type water
Turbine mechanism is mobile to the direction of limited location snap ring, and turbine wheel hub is separated with exit guide blade wheel hub, clutch two and the hydraulic turbine
Wheel hub composition clutch be in closure state, thus disengaging type hydraulic turbine mechanism drive transmission shaft rotation, compare with
The rotation of pump operating condition transmission shaft opposite direction, spring one are compressed, and clutch one is in isolated state with impeller hub, and special
The ratchet and spine tooth of different ratchet are in occlusive state, and disengaging type impeller wheel portion is made to stop rotating.
The axial flow pump hydraulic turbine, the circumferential section expanded view of pin are sector structure, the arc of exit guide blade wheel hub
The transition from shallow to deep of shape groove depth；Impeller hub is terraced structure, and circular saw structure is set as in interior step, with clutch
Circular saw structure on structure one is meshed；Turbine wheel hub is terraced structure, and circular saw structure is set as in interior step,
It is meshed with the circular saw structure on clutch two.
The axial flow pump hydraulic turbine, axial blade are axial--flow blading, using the design method of axial-flow pump to leaf
Piece carries out the Hydraulic Design, and turbine blade is blades for axial-flow water turbine, carries out water to blade using the design method of the hydraulic turbine
The blade of power design, entry guide vane and exit guide blade is prismatic blade, in clutch type water pump impeller mechanism and the disengaging type hydraulic turbine
0.08 to 0.12 times with a thickness of axial blade maximum outside diameter of plane sliding bearing between mechanism；Respectively in clutch one
It is equipped with keyway with clutch two, spring one and two end of spring are mounted on bearing block, guarantee that the suffered torque of spring will not
It is excessive and be damaged, and reduce the abrasion between wall surface spring and contact surface.
The invention has the benefit that
(1) axial flow pump hydraulic turbine positive stream can make water pump, can countercurrently make the hydraulic turbine, and ensure that using double clutch structures
The normal operation of pump condition and hydraulic turbine condition, and it is simple with structure, high reliablity, it is easy to install the features such as.
(2) present invention is on probation through user, and reaction effect is good, and practicability is good.
Detailed description of the invention
Fig. 1 is a kind of axial flow pump hydraulic turbine structure schematic diagram with double-clutch mechanism of the present invention.
Fig. 2 is the axial flow pump hydraulic turbine assembling schematic diagram with double-clutch mechanism of one embodiment of the invention.
Fig. 3 is the arc on pin and exit guide blade wheel hub on the turbine wheel hub of the Section A-A of one embodiment of the invention
The work structuring schematic diagram of slot.
Fig. 4 is the working principle diagram of the ratchet of spine tooth and special ratchet on the entry guide vane wheel hub of one embodiment of the invention.
Fig. 5 is the clutch working principle diagram of the pump operating condition of one embodiment of the invention.
Fig. 6 is the clutch working principle diagram of the hydraulic turbine condition of one embodiment of the invention.
In figure: 1. entry guide vane prismatic blades, 2. casings one, 3. entry guide vane wheel hubs, 4. spine teeth, 5. springs one (5), 6. keys
One, 7. impeller hubs, 8. axial blades, 9. clutches one, 10. plane sliding bearing seat rings one, 11. plane sliding bearing seats
Circle two, 12. limited location snap rings, 13. plane sliding bearing seat rings three, 14. plane sliding bearing seat rings four, 15. springs two, 16. keys
Two, 17. clutches two, 18. turbine blades, 19. turbine wheel hubs, 20. pins, 21. casings two, 22. casings three, 23. go out
Mouth guide vane prismatic blade, 24. exit guide blade wheel hubs, 25. transmission shafts, 26. water-inlet horn pipes, the 27. bend pipe pump housings, 28. shaft couplings,
29. motor and generator integrated device, 30. special ratchets, 31. deep groove ball bearings.
Specific embodiment
Fig. 1 to Fig. 6 is the present invention relates to a kind of axial flow pump hydraulic turbine structure schematic diagram with double-clutch mechanism, described
The axial flow pump hydraulic turbine by water-inlet horn pipe, entry guide vane, disengaging type impeller mechanism, disengaging type hydraulic turbine mechanism, outlet
Guide vane, the bend pipe pump housing and motor and generator integrated device form, specifically by entry guide vane prismatic blade (1), casing one (2), into
Mouth guide vane wheel hub (3), spine tooth (4), spring one (5), key one (6), impeller hub (7), axial blade (8), clutch one
(9), plane sliding bearing seat ring one (10), plane sliding bearing seat ring two (11), limited location snap ring (12), plane sliding bearing seat
Enclose three (13), plane sliding bearing seat ring four (14), spring two (15), key two (16), clutch two (17), turbine blade
(18), turbine wheel hub (19), pin (20), casing two (21), casing three (22), exit guide blade prismatic blade (23), exit guide blade
Wheel hub (24), transmission shaft (25), water-inlet horn pipe (26), the bend pipe pump housing (27), shaft coupling (28), motor and generator integrally fill
32 (29), special ratchet (30), sliding bearing one (31), sliding bearing two (32) part compositions are set, wherein disengaging type
Impeller mechanism is by spring one (5), key one (6), impeller hub (7), axial blade (8), clutch one (9), planar slide axis
Seat ring one (10), seven part of plane sliding bearing seat ring two (11) composition are held, disengaging type hydraulic turbine mechanism is by plane sliding bearing
Seat ring three (13), plane sliding bearing seat ring four (14), spring two (15), key two (16), clutch two (17), hydraulic turbine leaf
Piece (18), turbine wheel hub (19), (20) eight parts of pin composition；
The special ratchet (30) and impeller hub (7) is fixedly mounted, special ratchet (30) and entry guide vane wheel hub (3)
One end sliding contact, there is ratchet in one end of special ratchet (30), the spine tooth (4) internal with entry guide vane wheel hub (3) is mounted on
It is intermeshed work, the clutch of the disengaging type impeller mechanism is one-way clutch, clutch one (9) and impeller wheel
The end that hub (7) is in contact all is annular dentalation intermeshing work, makes disengaging type impeller mechanism can only be in pump operating condition
Single direction rotation；
The clutch of the disengaging type hydraulic turbine mechanism is one-way clutch, clutch two (17) and water wheels wheel
The end that the end that hub (19) is in contact is in contact all is that annular dentalation cooperates with each other, and pin (20) is fixed on the hydraulic turbine
Arc groove on wheel hub (19) with exit guide blade wheel hub (24) one end cooperates with each other, and makes disengaging type hydraulic turbine mechanism can only be
The single direction rotation of hydraulic turbine condition；
The outer surface of the inner surface and transmission shaft (25) of the exit guide blade wheel hub (24) and special ratchet (30) does not connect
Touching, between impeller hub (7), clutch one (9), clutch two (17) and turbine wheel hub (19) and transmission shaft (25)
With wide arc gap cooperation is combined into, plane sliding bearing seat ring one (10) and plane sliding bearing seat ring four (14) are ladder truncated cone-shaped
Structure, the outer end face of plane sliding bearing seat ring one (10) and one end transition fit of impeller hub (7), plane sliding bearing seat
The outer surface wide arc gap of the inner surface and transmission shaft (25) that enclose one (10) cooperates, the outer end face of plane sliding bearing seat ring four (14)
With one end transition fit of turbine wheel hub (19), the inner surface of plane sliding bearing seat ring four (14) and transmission shaft (25) it is outer
The cooperation of surface wide arc gap, the inner surface and transmission shaft of plane sliding bearing seat ring two (11) and plane plain bearing housing circle three (13)
(25) outer surface does not contact；
The transmission shaft (25) is equipped with card slot, and limited location snap ring (12) is mounted on card slot, and limited location snap ring (12) is to clutch
Formula impeller mechanism is positioned in the position of transmission shaft (25), and limited location snap ring (12) limits disengaging type hydraulic turbine mechanism in transmission shaft
(25) moving displacement range；
The axial flow pump hydraulic turbine with double-clutch mechanism, in pump operating condition work, motor (29), which drives, to be passed
Moving axis (25) rotation, transmission shaft (25) drive the rotation of clutch one (9), and clutch one (9) is in impeller hub (7)
The state of closure, thus the rotation of clutch one (9) impeller wheel hub (7) and axial blade (8), and special ratchet (30)
Ratchet do not work with spine tooth (4), guarantee the single direction rotation of clutch one (9), and disengaging type hydraulic turbine mechanism is in impact of water
Under the action of, upward exit guide blade wheel hub (24) direction is mobile, and the pin (20) on turbine wheel hub (19) is stuck in outlet guide impeller
In the arc groove of hub (24), and spring two (15) is compressed, and clutch two (17) is in turbine wheel hub (19) and separates shape
State rotates disengaging type hydraulic turbine mechanism not；In hydraulic turbine condition, under the action of impact of water, disengaging type hydraulic turbine mechanism
Mobile to the direction of limited location snap ring (12), turbine wheel hub (19) is separated with exit guide blade wheel hub (24), clutch two (17)
The state of closure is in the clutch of turbine wheel hub (19) composition, so that disengaging type hydraulic turbine mechanism drives transmission shaft
(25) rotation is compared and is rotated with pump operating condition transmission shaft (25) opposite direction, and spring one (5) compressed, clutch one (9) with
Impeller hub (7) is in isolated state, and the ratchet of special ratchet (30) and spine tooth (4) are in occlusive state, make disengaging type
Impeller wheel portion stops rotating, and as shown in Figure 5 and Figure 6, wherein dotted line frame S1, S2, S3 represents the work different with the hydraulic turbine in water pump
Clutch and turbine wheel hub position state in which under condition.
The axial flow pump hydraulic turbine, the circumferential section expanded view of pin (20) is sector structure, as shown in figure 3, going out
The arc groove depth transition from shallow to deep of mouth guide vane wheel hub (24), as shown in figure 3, wherein W1 represents turning for the pump operating condition of axis
To W2 representative moves axially upwards；The axial flow pump hydraulic turbine, impeller hub (7) are terraced structure, interior step
On be set as circular saw structure, be meshed with the circular saw structure on clutch one (9)；Turbine wheel hub (19) is step
Shape structure is set as circular saw structure in interior step, is meshed with the circular saw structure on clutch two (17).
The axial flow pump hydraulic turbine, axial blade (8) is axial--flow blading, using the design method pair of axial-flow pump
Blade carries out the Hydraulic Design, and turbine blade (18) is blades for axial-flow water turbine, using the design method of the hydraulic turbine to blade
The blade of progress the Hydraulic Design, entry guide vane and exit guide blade is prismatic blade, in clutch type water pump impeller mechanism and disengaging type
0.08 to 0.12 times with a thickness of axial blade (8) maximum outside diameter of plane sliding bearing between guide vane mechanism；Respectively from
It closes mechanism one (9) and clutch two (17) is equipped with keyway, spring one (5) and spring two (15) end are mounted on bearing block
(g)。
Claims (6)
1. a kind of axial flow pump hydraulic turbine with double-clutch mechanism, which is characterized in that the axial flow pump hydraulic turbine by
Water-inlet horn pipe, entry guide vane, disengaging type impeller mechanism, disengaging type hydraulic turbine mechanism, exit guide blade, the bend pipe pump housing and motor with
Generator integrated device composition, specifically by entry guide vane prismatic blade (1), casing one (2), entry guide vane wheel hub (3), spine tooth (4),
Spring one (5), key one (6), impeller hub (7), axial blade (8), clutch one (9), plane sliding bearing seat ring one
(10), plane sliding bearing seat ring two (11), limited location snap ring (12), plane sliding bearing seat ring three (13), plane sliding bearing
Seat ring four (14), spring two (15), key two (16), clutch two (17), turbine blade (18), turbine wheel hub (19),
Sell (20), casing two (21), casing three (22), exit guide blade prismatic blade (23), exit guide blade wheel hub (24), transmission shaft (25),
Water-inlet horn pipe (26), the bend pipe pump housing (27), shaft coupling (28), motor and generator integrated device (29), special ratchet (30),
Sliding bearing one (31), 32, sliding bearing two (32) part form, wherein disengaging type impeller mechanism by spring one (5),
Key one (6), impeller hub (7), axial blade (8), clutch one (9), plane sliding bearing seat ring one (10), planar slide
Seven part of bearing race two (11) composition, disengaging type hydraulic turbine mechanism is by plane sliding bearing seat ring three (13), planar slide axis
Hold seat ring four (14), spring two (15), key two (16), clutch two (17), turbine blade (18), turbine wheel hub
(19), (20) eight parts of pin composition；
The special ratchet (30) and impeller hub (7) are fixedly mounted, and the one of special ratchet (30) and entry guide vane wheel hub (3)
Sliding contact is held, there is ratchet in one end of special ratchet (30), and the spine tooth (4) internal with entry guide vane wheel hub (3) is mounted on is mutual
Joggleword, the clutch of the disengaging type impeller mechanism are one-way clutch, clutch one (9) and impeller hub
(7) end being in contact all is annular dentalation intermeshing work, makes disengaging type impeller mechanism can only be in pump operating condition
Single direction rotation；
The clutch of the disengaging type hydraulic turbine mechanism is one-way clutch, clutch two (17) and turbine wheel hub
(19) end that the end being in contact is in contact all is that annular dentalation cooperates with each other, and pin (20) is fixed on water wheels wheel
Arc groove on hub (19) with exit guide blade wheel hub (24) one end cooperates with each other, and makes disengaging type hydraulic turbine mechanism can only be in water
The single direction rotation of turbine operating condition；
The inner surface of the exit guide blade wheel hub (24) and special ratchet (30) is not contacted with the outer surface of transmission shaft (25), leaf
Cooperation between wheel wheel hub (7), clutch one (9), clutch two (17) and turbine wheel hub (19) and transmission shaft (25)
For wide arc gap cooperation, plane sliding bearing seat ring one (10) and plane sliding bearing seat ring four (14) are ladder truncated cone-shaped knot
Structure, the outer end face of plane sliding bearing seat ring one (10) and one end transition fit of impeller hub (7), plane sliding bearing seat ring
The inner surface of one (10) and the outer surface wide arc gap of transmission shaft (25) cooperate, the outer end face of plane sliding bearing seat ring four (14) with
One end transition fit of turbine wheel hub (19), the inner surface of plane sliding bearing seat ring four (14) and the appearance of transmission shaft (25)
The cooperation of face wide arc gap, the inner surface and transmission shaft of plane sliding bearing seat ring two (11) and plane plain bearing housing circle three (13)
(25) outer surface does not contact；
The transmission shaft (25) is equipped with card slot, and limited location snap ring (12) is mounted on card slot, and limited location snap ring (12) is to disengaging type leaf
Wheel mechanism is positioned in the position of transmission shaft (25), and limited location snap ring (12) limits disengaging type hydraulic turbine mechanism in transmission shaft (25)
Moving displacement range；
The axial flow pump hydraulic turbine with double-clutch mechanism, in pump operating condition work, motor and generator are integrally filled
It sets (29) and drives transmission shaft (25) rotation, transmission shaft (25) drives the rotation of clutch one (9), clutch one (9) and leaf
The state that wheel hub (7) are in closure is taken turns, thus the rotation of clutch one (9) impeller wheel hub (7) and axial blade (8),
And the ratchet of special ratchet (30) does not work with spine tooth (4), the single direction rotation of guarantee clutch one (9), and disengaging type water wheels
Under the action of impact of water, upward exit guide blade wheel hub (24) direction is mobile for machine mechanism, the pin (20) on turbine wheel hub (19)
It is stuck in the arc groove of exit guide blade wheel hub (24), and spring two (15) is compressed, clutch two (17) and turbine wheel hub
(19) it is in discrete state, rotates disengaging type hydraulic turbine mechanism not；In hydraulic turbine condition, under the action of impact of water, from
Box-like hydraulic turbine mechanism is mobile to the direction of limited location snap ring (12), and turbine wheel hub (19) is separated with exit guide blade wheel hub (24),
The clutch of clutch two (17) and turbine wheel hub (19) composition is in the state of closure, thus disengaging type hydraulic turbine machine
Structure drives the rotation of transmission shaft (25), compares and rotates with pump operating condition transmission shaft (25) opposite direction, and spring one (5) is compressed, from
It closes mechanism one (9) and is in isolated state with impeller hub (7), and the ratchet of special ratchet (30) is in spine tooth (4) and is engaged
State makes disengaging type impeller wheel portion stop rotating.
2. a kind of axial flow pump hydraulic turbine with double-clutch mechanism according to claim 1, which is characterized in that pin (20)
Circumferential section be sector structure, the arc groove depth transition from shallow to deep of exit guide blade wheel hub (24).
3. the axial flow pump hydraulic turbine according to claim 1, which is characterized in that impeller hub (7) is terraced structure,
It is set as circular saw structure in interior step, is meshed with the circular saw structure on clutch one (9)；Turbine wheel hub
(19) it is terraced structure, circular saw structure is set as in interior step, with the circular saw structure on clutch two (17)
It is meshed.
4. the axial flow pump hydraulic turbine according to claim 1, which is characterized in that axial blade (8) is axial--flow blading,
The Hydraulic Design is carried out to blade using the design method of axial-flow pump, turbine blade (18) is blades for axial-flow water turbine, is used
The design method of the hydraulic turbine carries out the Hydraulic Design to blade, and the blade of entry guide vane and exit guide blade is prismatic blade.
5. the axial flow pump hydraulic turbine according to claim 1, which is characterized in that clutch type water pump impeller mechanism and from
0.08 to 0.12 times with a thickness of axial blade (8) maximum outside diameter of plane sliding bearing between box-like hydraulic turbine mechanism.
6. the axial flow pump hydraulic turbine according to claim 1, which is characterized in that respectively clutch one (9) and from
It closes mechanism two (17) and is equipped with keyway, spring one (5) and spring two (15) end are mounted on bearing block (g).
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| CN201611149428.8A CN107299874B (en) | 2016-12-14 | 2016-12-14 | A kind of axial flow pump hydraulic turbine with double-clutch mechanism |
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| CN107299874B true CN107299874B (en) | 2019-03-19 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035835B (en) * | 2017-12-07 | 2023-11-28 | 高邮市大江泵业有限公司 | Novel water turbine convenient to use in parallel |
| CN108180147B (en) * | 2017-12-19 | 2020-10-13 | 刘英学 | Unpowered water wave pump |
| CN109209899B (en) * | 2018-10-30 | 2021-02-12 | 河海大学 | Vertical axial-flow pump |
| CN109915380B (en) * | 2019-03-16 | 2020-07-31 | 瑞安市泰尼克机械有限公司 | Manufacturing process of double-blade single-shaft centrifugal pump |
| JP7158336B2 (en) * | 2019-05-20 | 2022-10-21 | 株式会社クボタ | Fluid equipment |
| CN110486217B (en) * | 2019-07-19 | 2020-12-22 | 利欧集团湖南泵业有限公司 | Disrotatory bidirectional axial flow water pump turbine |
| CN111794893A (en) * | 2020-07-22 | 2020-10-20 | 重庆华能水电设备制造有限公司 | Double-turbine structure of pumped storage water turbine generator set |
| CN112483460A (en) * | 2020-11-26 | 2021-03-12 | 扬州大学 | Axial flow pump impeller structure for preventing transmission shaft from reversing |
| CN112879320B (en) * | 2021-02-19 | 2023-01-13 | 中铁三局集团有限公司 | Low-noise axial flow fan for rail transit |
| CN114427536B (en) * | 2022-01-24 | 2024-05-24 | 大福泵业有限公司 | Deep well pump capable of reducing starting water resistance |
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| GB618735A (en) * | 1946-11-27 | 1949-02-25 | George Alfred Wigley | New or improved internal combustion turbine-driven axial-flow pump |
| CN1554872A (en) * | 2003-12-25 | 2004-12-15 | 华中科技大学 | Two-way through flow/axial flow pump |
| CN203978913U (en) * | 2014-07-11 | 2014-12-03 | 扬州大学 | A kind of improved two-way through-flow pump |
| CN105909460A (en) * | 2016-04-21 | 2016-08-31 | 西安理工大学 | Two-impeller bidirectional-shaft-extension tubular turbine with space blades |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB618735A (en) * | 1946-11-27 | 1949-02-25 | George Alfred Wigley | New or improved internal combustion turbine-driven axial-flow pump |
| CN1554872A (en) * | 2003-12-25 | 2004-12-15 | 华中科技大学 | Two-way through flow/axial flow pump |
| CN203978913U (en) * | 2014-07-11 | 2014-12-03 | 扬州大学 | A kind of improved two-way through-flow pump |
| CN105909460A (en) * | 2016-04-21 | 2016-08-31 | 西安理工大学 | Two-impeller bidirectional-shaft-extension tubular turbine with space blades |
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| CN107299874A (en) | 2017-10-27 |
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