CN105971826A - Hydraulic wind power generator - Google Patents
Hydraulic wind power generator Download PDFInfo
- Publication number
- CN105971826A CN105971826A CN201610425370.9A CN201610425370A CN105971826A CN 105971826 A CN105971826 A CN 105971826A CN 201610425370 A CN201610425370 A CN 201610425370A CN 105971826 A CN105971826 A CN 105971826A
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- Prior art keywords
- oil
- hydraulic
- hydraulic motor
- inlet port
- fluid pressure
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- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 33
- 239000003921 oil Substances 0.000 claims description 151
- 239000012530 fluid Substances 0.000 claims description 32
- 238000000605 extraction Methods 0.000 claims description 18
- 239000012190 activator Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000283086 Equidae Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009355 double cropping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000012089 stop solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/047—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders
- F04B1/0474—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders with two or more serially arranged radial piston-cylinder units
- F04B1/0476—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders with two or more serially arranged radial piston-cylinder units located side-by-side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/07—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors in distinct sequence
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a hydraulic wind power generator. The hydraulic wind power generator comprises blades, a machine room, a tower drum, a hydraulic motor and a power generator body. A hydraulic power mechanism is arranged in the machine room. During work, the blades drive a rotary shaft to rotate, and thereby driving the hydraulic power mechanism to work; hydraulic oil discharged from the hydraulic power mechanism is conveyed to the hydraulic motor to drive the hydraulic motor to work, and the hydraulic motor drives the power generator body to generate power. By the adoption of the hydraulic power mechanism, sufficient hydraulic oil can be provided, and accordingly normal work of the power generator is guaranteed. Besides, the hydraulic motor and the power generator body of the hydraulic wind power generator can be placed on the ground, the structure of the machine room is simplified, the weight of the machine room and the tower drum is reduced, and accordingly convenience is brought to manufacturing, installation and maintenance.
Description
Technical field
The present invention relates to wind generating technology, be specifically related to a kind of fluid pressure type wind-driven generator.
Background technology
Wind energy is a kind of important renewable and clean energy resource, and wind energy has in Development volue and commercialization are promoted
Vast potential for future development, utilizes the technical scheme continuous research and development in various countries of wind power generation.As
The nucleus equipment of wind-power electricity generation, the quality of wind-driven generator has been largely fixed the warp of wind generating technology
Ji benefit.
Generally, wind-driven generator includes tower, cabin (also referred to as tower head) and three piths of blade, machine
Cabin is arranged at atop a tower, and blade is connected with cabin by power transmission shaft；According to the difference of the kind of drive, wind-force
Electromotor is divided into mechanical type and fluid pressure type two class.On mechanical wind electromotor, in cabin, it is provided with speedup
The parts such as case, electromotor and control element, power transmission shaft is connected with gearbox；During operation, wind-force orders about blade
Rotating, the rotary motion that blade is inputted by gearbox carries out passing to electromotor after speedup fall is turned round, and electromotor will
Kinetic energy is converted into electric energy and is exported to electrical network by circuit.On fluid pressure type wind-driven generator, arrange in cabin
There are hydraulic pump, power transmission shaft to be connected with hydraulic pump, ground is provided with hydraulic motor and electromotor；During operation,
Blade drives hydraulic pump works, and hydraulic pump is supplied to the hydraulic motor on ground, hydraulic pressure horse after being pressurizeed by hydraulic oil
Reach driving generator operation.
Along with the power of wind-driven generator increases, on mechanical wind electromotor, gearbox and electromotor
Volume, weight are increasing, bring extreme difficulties to manufacturing, installing and safeguard；Same, along with wind
The increase of power generator power, hydraulic pump needs to provide the hydraulic oil of big flow, and existing hydraulic pump is nothing
Method meets demand；Therefore, the production of high-power wind-driven generator is seriously constrained.
Summary of the invention
In view of this, the present invention proposes the fluid pressure type wind-driven generator of a kind of new structure, this fluid pressure type wind-force
Electromotor is provided with the hydraulic power mechanism of uniqueness, to ensure hydraulic pressure oil supplying.
The fluid pressure type wind-driven generator that the present invention proposes includes blade, cabin, tower, hydraulic motor and generating
Machine, described cabin is arranged at atop a tower, is provided with hydraulic power mechanism in described cabin；
Described hydraulic power mechanism includes rotating shaft, support and at least one oil supply unit, and described rotating shaft is rotatable
It is arranged on support；Described oil supply unit includes eccentric, eccentric outer shroud, multiple first control valve, multiple
Telescopic oil cylinder, guide cylinder and guide rod, described eccentric is fixed in rotating shaft, and described eccentric outer shroud is rotationally
It is set on eccentric；One end of described telescopic oil cylinder is hinged with support, and the other end is hinged with eccentric outer shroud；
Described guide cylinder is connected with support, and one end of described guide rod is articulated with the first pin joint with eccentric outer shroud, another
End is slidably connected with guide cylinder；Described first control valve is connected with telescopic oil cylinder, for controlling telescopic oil cylinder
Oil suction and oil extraction；
Described blade is connected with rotating shaft, and described hydraulic power mechanism is connected with hydraulic motor, is used for as hydraulic pressure horse
Offer hydraulic oil is provided；Described hydraulic motor is connected with electromotor, is used for driving generator operation.
Preferably, the inlet port of described hydraulic power mechanism and oil drain out may be contained within support, and described first
Control valve is connected with inlet port, oil drain out；In the first state, described first control valve by telescopic oil cylinder with
Inlet port connects, and in the second condition, telescopic oil cylinder is connected by described first control valve with oil drain out.
Preferably, described support is provided with oil suction line and oil extraction oil circuit, described oil suction line and oil extraction oil
Road is all arranged around oil supply unit, and oil suction line connects with inlet port, and oil extraction oil circuit connects with oil drain out.
Preferably, the quantity of described hydraulic motor is multiple, and is arranged in parallel between multiple described hydraulic motor.
Preferably, the oil return opening of described hydraulic motor is connected with the inlet port of hydraulic power mechanism.
Preferably, described fluid pressure type wind-driven generator also includes that hydraulic oil container and slippage pump, described slippage pump divide
It is not connected with the inlet port of hydraulic oil container, hydraulic power mechanism.
Preferably, described fluid pressure type wind-driven generator also includes the first overflow valve group and the second overflow valve group；Institute
Stating the first overflow valve group in parallel with hydraulic motor, described second overflow valve group is arranged at hydraulic oil container and moves with hydraulic pressure
Between the inlet port of force mechanisms.
Preferably, described fluid pressure type wind-driven generator also includes multiple second control valve, described second control valve
It is arranged between the oil drain out of hydraulic power mechanism and hydraulic motor, is used for controlling hydraulic motor.
Preferably, described first control valve includes two check valves, one of them check valve be arranged at described in stretch
Between contracting oil cylinder and inlet port, another check valve is arranged between described telescopic oil cylinder and oil drain out.
Preferably, described first control valve is two-bit triplet reversal valve, under the first predetermined state, and described two
Telescopic oil cylinder is connected by position three-way diverter valve with inlet port, and under the second predetermined state, described two-bit triplet changes
To valve, telescopic oil cylinder is connected with oil drain out.
The fluid pressure type wind-driven generator that the present invention proposes includes blade, cabin, tower, hydraulic motor and generating
Machine, is wherein provided with hydraulic power mechanism in cabin；During operation, blade drives axis of rotation, and then orders about
Hydraulic power mechanism works, and the hydraulic oil that hydraulic power mechanism is discharged is delivered to hydraulic motor, orders about hydraulic pressure horse
Reaching work, hydraulic motor drives electrical power generators.By using above-mentioned hydraulic power mechanism, it is provided that
Enough hydraulic oil, thus ensure that electromotor normally works；Further, this fluid pressure type wind-driven generator can be by
Hydraulic motor and generator arrangements on the ground, simplify engine room structure, reduce cabin and the weight of tower, from
And offer convenience to manufacturing, installing and safeguard.
Wherein, the operation principle of hydraulic power mechanism is: during work, and rotating shaft band movable eccentric wheel rotates, and then
Ordering about eccentric outer shroud moving radially along rotating shaft, the most eccentric outer shroud swings around the first pin joint；Outside bias
Annulus moves the piston rod of telescopic oil cylinder relative to cylinder barrel stretching motion, during the stretching motion of piston rod, cylinder
Cavity volume in Tong periodically increases or reduces；When cavity volume increases, telescopic oil cylinder sucks hydraulic oil,
When cavity volume reduces, telescopic oil cylinder discharges hydraulic oil.During axis of rotation, multiple telescopic oil cylinders are by suitable
The oil suction of sequence alternative expression and oil extraction, and then ensure that having the hydraulic oil of big flow to be supplied to hydraulic pressure all the time performs unit
Part.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
The structural representation of a kind of hydraulic power mechanism that Fig. 1 provides for the specific embodiment of the invention；
Fig. 2 is the profile in A-A direction in Fig. 1；
Fig. 3 is the partial enlarged drawing of part B in Fig. 1；
Fig. 4 is the schematic diagram of hydraulic power mechanism shown in Fig. 1；
The schematic perspective view of the another kind of hydraulic power mechanism that Fig. 5 provides for the specific embodiment of the invention；
Fig. 6 is the sectional view of hydraulic power mechanism shown in Fig. 5；
The hydraulic schematic diagram of the fluid pressure type wind-driven generator that Fig. 7 provides for the specific embodiment of the invention；
Fig. 8 is the partial enlarged drawing of Fig. 7；
Fig. 9 is the enlarged drawing of the first overflow valve group.
Description of reference numerals:
Eccentric outer shroud 4 telescopic oil cylinder 5 first control valve of 1 rotating shaft 2 eccentric 3
6 guide cylinder 7 guide rod 8 oil extraction oil circuit 9 oil suction line 10 oil supply units
11 support 12 base 13 cylinder barrel 14 piston rod 15 bearing 16 inner rings
17 outer ring 20 hydraulic motor 30 second control valve 31 first inserted valves
32 second inserted valve 33 first throttle valve 34 second throttle
35 first electromagnetic valve 40 first overflow valve group 41 second electromagnetic valves
42 the 3rd inserted valve 43 overflow valve 50 shuttle valve 60 slippage pumps
70 second overflow valve group 80 hydraulic oil container 100 hydraulic power mechanisms
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The fluid pressure type wind-driven generator that the specific embodiment of the invention proposes includes blade, cabin, tower, hydraulic pressure
Motor 20 and electromotor, cabin is arranged at atop a tower, is provided with hydraulic power mechanism 100 in cabin；As
Shown in Fig. 1 to Fig. 4, hydraulic power mechanism 100 includes rotating shaft 1, support 11 and an oil supply unit 10,
The bottom of support 11 is provided with base 12, and the two ends of rotating shaft 1 are rotatably arranged in support by bearing 15
On 11；Oil supply unit 10 includes eccentric 2, eccentric outer shroud 3, multiple first control valve 5, multiple flexible
Oil cylinder 4, guide cylinder 6 and guide rod 7, eccentric 2 is fixed in rotating shaft 1, and eccentric outer shroud 3 is by revolution
Support is rotatably sleeved on eccentric 2, and revolving support includes inner ring 16, outer ring 17 and roller, such as Fig. 3
Shown in, roller is between inner ring 16 and outer ring 17, and inner ring 16 is bolted to connection with eccentric 2,
Outer ring 17 is bolted to connection with eccentric outer shroud 3；Telescopic oil cylinder 4 includes cylinder barrel 13 and piston rod 14,
Cylinder barrel 13 is hinged with support 11, and one end of piston rod 14 is slidably arranged in cylinder barrel 13, piston rod 14
The other end is hinged with eccentric outer shroud 3；Guide cylinder 6 is fixed on support 11, outside one end of guide rod 7 is with bias
Ring 3 is articulated with the first pin joint, and the other end of guide rod 7 is slidably connected with guide cylinder 6；Arrange on support 11
Inlet port and oil drain out, the first control valve 5 is had to be connected with telescopic oil cylinder 4, inlet port and oil drain out；Blade
Being connected with rotating shaft, hydraulic power mechanism 100 is connected with hydraulic motor 20, and hydraulic motor is connected with electromotor.
The operation principle of hydraulic power mechanism 100 is: during work, and rotating shaft 1 band movable eccentric wheel 2 rotates, and enters
And ordering about eccentric outer shroud 3 moving radially along rotating shaft 1, the most eccentric outer shroud 3 swings around the first pin joint；
Eccentric outer shroud 3 drives relative cylinder barrel 13 stretching motion of piston rod 14 of telescopic oil cylinder 4, at piston rod 14
Stretching motion during, cavity volume in cylinder barrel 13 periodically increases or reduces；When cavity volume increases (
First state), cavity volume is connected by the first control valve 5 with hydraulic oil container 80, and telescopic oil cylinder 4 sucks hydraulic pressure
Oil, when cavity volume reduces (the second state), the first control valve 5 is by cavity volume with hydraulic motor 20 even
Logical.
In rotating shaft 1 rotation process, the oil suction of multiple telescopic oil cylinder 4 alternative expressions in order and oil extraction, and then
Ensure that this hydraulic power mechanism 100 has the hydraulic oil of big flow to discharge through oil drain out all the time.It addition, by setting
Put unified inlet port and oil drain out, the layout of fluid pressure line can be simplified.
Fig. 7 show the hydraulic schematic diagram of fluid pressure type wind-driven generator, the hydraulic pressure of this fluid pressure type wind-driven generator
System includes hydraulic power mechanism 70, two hydraulic pressure horses of the 100, first overflow valve group the 40, second overflow valve group
Reach 20, two the second control valves 30, slippage pump 60, hydraulic oil container 80 and shuttle valve 50；Hydraulic power mechanism
The oil drain out of 100 is connected with first overflow valve group the 40, second control valve 30 respectively, hydraulic power mechanism 100
Inlet port be connected with the second overflow valve group 70, slippage pump 60, the oil return opening of hydraulic motor 20 respectively, liquid
Oil-in and second control valve 30 of pressure motor 20 connect；Shuttle valve 50 is arranged between oil drain out and inlet port,
For obtaining the pressure of oil circuit control.
During work, hydraulic power mechanism 100 discharges hydraulic oil through oil drain out, and hydraulic oil enters through the second control valve
Entering hydraulic motor 20, under the ordering about of hydraulic oil, hydraulic motor 20 works, simultaneously hydraulic motor 20 return
Hydraulic fluid port discharges the hydraulic oil of low pressure, and the hydraulic oil that hydraulic motor 20 is discharged comes back to hydraulic power through inlet port
Mechanism 100.During hypertonia at oil drain out, the first overflow valve group 40 starts overflow, and then prevented
Carry；During hypertonia at inlet port, the second overflow valve group 70 starts overflow.When needs stop certain liquid
When pressure motor 20 works, the second control valve 30 disconnects the connection of hydraulic motor 20 and oil drain out, simultaneously by liquid
The oil-in of pressure motor connects with its oil return opening.As caused hydraulic motor 20 oil return opening to be delivered to hydraulic pressure because of leakage
During the hydraulic oil deficiency of the inlet port of actuating unit 100, slippage pump 60 works, by hydraulic oil container 80
Hydraulic oil supplements to hydraulic power mechanism 100.
As shown in Figure 8, the second control valve 30 specifically include first inserted valve the 31, second inserted valve 32,
One choke valve 33, second throttle 34 and the first electromagnetic valve 35, when needs hydraulic motor 20 works, the
One electromagnetic valve 35 controls the first inserted valve 31 and turns on, and the second inserted valve 32 is closed, now, and hydraulic motor
The oil-in of 20 connects with the oil drain out of hydraulic power mechanism 100, when stop solution pressure motor 20 works,
First electromagnetic valve 35 controls the first inserted valve 31 and cuts out, and the second inserted valve 32 turns on, now, and hydraulic motor
The oil drain out of the oil-in of 20 and hydraulic power mechanism 100 disconnects, simultaneously the oil-in of hydraulic motor 20 with
The oil return opening connection of himself.Second control valve 30 of this structure is with low cost, dependable performance.
As it is shown in figure 9, the first overflow valve group 40 specifically include the second electromagnetic valve the 41, the 3rd inserted valve 42 and
Overflow valve 43；Overflow valve 43 is used for setting oil pressure relief, and the second electromagnetic valve 41 is for reaching at system pressure
Control the 3rd inserted valve 42 during oil pressure relief to open, now, the oil drain out side of hydraulic power mechanism 100
Hydraulic oil can be through the 3rd inserted valve 42 overflow to inlet port side.First overflow valve group 40 of this structure becomes
This is cheap, dependable performance, and can carry out the overflow of big flow.
In order to ensure that output speed is stable, hydraulic motor 20 preferentially uses variable displacement motor, when blade rotational speed changes,
The hydraulic fluid flow rate that hydraulic power mechanism 100 provides also can fluctuate, and variable displacement motor can be according to the rotating speed of blade
Regulate self discharge capacity, and then ensure stabilization of speed.
In the above-described embodiments, the concrete structure of the first control valve 5 can have multiple, as long as it can be with flexible
Oil cylinder 4 matches；Specifically, at least there is following four version:
1) when telescopic oil cylinder 4 is one-way cylinder, the first control valve 5 is made up of, wherein two check valves
One check valve is arranged between telescopic oil cylinder 4 and inlet port, is used for controlling oil suction, and another check valve sets
It is placed between telescopic oil cylinder 4 and oil drain out, is used for controlling oil extraction.
2) when telescopic oil cylinder 4 is one-way cylinder, the first control valve 5 is a two-bit triplet reversal valve,
When cavity volume increases, telescopic oil cylinder 4 is connected with inlet port, reduces at cavity volume by two-bit triplet reversal valve
Time, telescopic oil cylinder 4 is connected by two-bit triplet reversal valve with oil drain out.
3) when telescopic oil cylinder 4 is two-way cylinder, the first control valve 5 is made up of four check valves, double cropping
With oil cylinder than one-way cylinder many cavity volumes, the corresponding check valve controlling oil suction of each cavity volume and
One check valve controlling oil extraction.
4) when telescopic oil cylinder 4 is two-way cylinder, the first control valve 5 is two position and four-way reversing valves,
On two-way cylinder, when a cavity volume oil extraction, another cavity volume oil suction；Two position and four-way reversing valves
Four hydraulic fluid ports connect two cavity volumes of inlet port, oil drain out and telescopic oil cylinder 4, two four-ways commutations respectively
While one of them cavity volume is connected by valve with oil drain out, another cavity volume is connected with inlet port.
In order to further facilitate the layout of oil circuit, support 11 is provided with oil suction line 9 and oil extraction oil circuit 8,
Oil suction line 9 and oil extraction oil circuit 8 are all arranged around oil supply unit 10, and oil suction line 9 connects with inlet port,
Oil extraction oil circuit 8 connects with oil drain out；First control valve 5 is connected with inlet port through oil suction line 9, and through row
Oil oil circuit 8 is connected with oil drain out.
In other embodiments, hydraulic power mechanism 100 has multiple oil supply unit 10, such as Fig. 5 and Fig. 6
Shown in, this hydraulic power mechanism 100 includes three oil supply units 10, the eccentric 2 of three oil supply units 10
Carrier phase shift 120 degree.By increasing the quantity of oil supply unit 10, hydraulic power can be increased further
The fuel supply flow rate of mechanism 100.
It should be noted that in other embodiments, it would however also be possible to employ rolling bearing 15 replaces revolving support.
Certainly, in order to have bigger flow, the quantity of oil supply unit 10 can also increase further.It addition, liquid
The quantity of pressure motor 20 can be more.Multiple hydraulic motors 20 simultaneously drive electromotor, at the total work of transmission
In the case of rate is constant, the power of each hydraulic motor 20 can reduce, and then facilitates hydraulic motor 20 to select
Type；In the case of single hydraulic motor 20 power is constant, multiple hydraulic motors 20 can be by bigger merit
Rate passes to electromotor.
According to principles and structure it will be apparent that the hydraulic power mechanism 100 that the present invention proposes can be by machine
Tool rotary motion is converted to the pressure energy of hydraulic oil, meanwhile, the quantity of oil supply unit 10 and each oil supply unit
The quantity of the telescopic oil cylinder 4 that 10 are had can flexible arrangement as required；Therefore, this hydraulic power is used
Mechanism 100 can provide the hydraulic oil of big flow, in order to meets the demand of wind-driven generator.It addition, it is flexible
Oil cylinder 4, as ripe Hydraulic Elements, can prevent hydraulic fluid leak with lift-off seal effect.
By using above-mentioned hydraulic power mechanism 100, it is possible to obtain enough hydraulic oil, thus ensure to send out
Motor normally works；And engine room structure can be simplified by hydraulic motor 20 and generator arrangements on the ground,
Reduce cabin and the weight of tower, thus give the manufacture of this fluid pressure type wind-driven generator, install and safeguard and bring
Convenient.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. a fluid pressure type wind-driven generator, it is characterised in that include blade, cabin, tower, hydraulic pressure horse
Reaching (20) and electromotor, described cabin is arranged at atop a tower, is provided with hydraulic activator in described cabin
Structure (100)；
Described hydraulic power mechanism (100) includes rotating shaft (1), support (11) and at least one oil supply unit
(10), described rotating shaft (1) is rotatably provided on support (11)；Described oil supply unit (10) includes
Eccentric (2), eccentric outer shroud (3), multiple first control valve (5), multiple telescopic oil cylinder (4), guiding
Cylinder (6) and guide rod (7), described eccentric (2) is fixed in rotating shaft (1), described eccentric outer shroud (3)
It is rotatably sleeved on eccentric (2)；One end of described telescopic oil cylinder (4) is hinged with support (11),
The other end is hinged with eccentric outer shroud (3)；Described guide cylinder (6) is connected with support (11), described guide rod
(7) one end is articulated with the first pin joint with eccentric outer shroud (3), and the other end slides even with guide cylinder (6)
Connect；Described first control valve (5) is connected with telescopic oil cylinder (4), is used for controlling the suction of telescopic oil cylinder (4)
Oil and oil extraction；
Described blade is connected with rotating shaft (1), described hydraulic power mechanism (100) and hydraulic motor (20)
Connect, for providing hydraulic oil for hydraulic motor (20)；Described hydraulic motor (20) is connected with electromotor,
For driving generator operation.
Fluid pressure type wind-driven generator the most according to claim 1, it is characterised in that described hydraulic power
The inlet port of mechanism (100) and oil drain out may be contained within support (11), described first control valve (5)
It is connected with inlet port, oil drain out；In the first state, described first control valve (5) is by telescopic oil cylinder (4)
Connecting with inlet port, in the second condition, described first control valve (5) is by telescopic oil cylinder (4) and oil extraction
Mouth connection.
Fluid pressure type wind-driven generator the most according to claim 2, it is characterised in that described support (11)
On be provided with oil suction line (9) and oil extraction oil circuit (8), described oil suction line (9) and oil extraction oil circuit (8)
All arrange around oil supply unit (10), and oil suction line (9) connects with inlet port, oil extraction oil circuit (8)
Connect with oil drain out.
Fluid pressure type wind-driven generator the most according to claim 1, it is characterised in that described hydraulic motor
(20) quantity is multiple, and is arranged in parallel between multiple described hydraulic motor (20).
5. according to the fluid pressure type wind-driven generator described in Claims 1-4 any one, it is characterised in that
The oil return opening of described hydraulic motor (20) is connected with the inlet port of hydraulic power mechanism (100).
Fluid pressure type wind-driven generator the most according to claim 5, it is characterised in that also include hydraulic oil
Case (80) and slippage pump (60), described slippage pump (60) respectively with hydraulic oil container (80), hydraulic power
The inlet port of mechanism (100) connects.
Fluid pressure type wind-driven generator the most according to claim 6, it is characterised in that also include that first overflows
Stream valve group (40) and the second overflow valve group (70)；Described first overflow valve group (40) and hydraulic motor (20)
Parallel connection, described second overflow valve group (70) is arranged at hydraulic oil container (80) and hydraulic power mechanism (100)
Inlet port between.
Fluid pressure type wind-driven generator the most according to claim 5, it is characterised in that also include multiple
Two control valves (30), described second control valve (30) is arranged at the oil drain out of hydraulic power mechanism (100)
And between hydraulic motor (20), it is used for controlling hydraulic motor (20).
Fluid pressure type wind-driven generator the most according to claim 2, it is characterised in that described first controls
Valve (5) includes two check valves, and one of them check valve is arranged at described telescopic oil cylinder (4) and inlet port
Between, another check valve is arranged between described telescopic oil cylinder (4) and oil drain out.
Fluid pressure type wind-driven generator the most according to claim 2, it is characterised in that described first control
Valve processed (5) is two-bit triplet reversal valve, and under the first predetermined state, described two-bit triplet reversal valve will be flexible
Oil cylinder (4) connects with inlet port, and under the second predetermined state, described two-bit triplet reversal valve is by telescopic oil cylinder
(4) connect with oil drain out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425370.9A CN105971826B (en) | 2016-06-15 | 2016-06-15 | Fluid pressure type wind-driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425370.9A CN105971826B (en) | 2016-06-15 | 2016-06-15 | Fluid pressure type wind-driven generator |
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| Publication Number | Publication Date |
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| CN105971826A true CN105971826A (en) | 2016-09-28 |
| CN105971826B CN105971826B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610425370.9A Active CN105971826B (en) | 2016-06-15 | 2016-06-15 | Fluid pressure type wind-driven generator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971981A (en) * | 2016-06-15 | 2016-09-28 | 三重型能源装备有限公司 | Hydraulic power mechanism and hydraulic wind power generator |
| CN110073103A (en) * | 2016-12-12 | 2019-07-30 | 卡玛特有限及两合公司 | Piston pump and its purposes in wind power installation |
| CN110425127A (en) * | 2019-08-12 | 2019-11-08 | 青岛海洋科学与技术国家实验室发展中心 | Plunger pump group and assignment method |
| CN111919025A (en) * | 2018-07-17 | 2020-11-10 | 费伦茨·贝科 | Devices for converting wind or water energy |
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| CN102606435A (en) * | 2012-03-30 | 2012-07-25 | 三一电气有限责任公司 | Wind generating set and hydraulic pump aggregate thereof |
| WO2016076716A1 (en) * | 2014-11-11 | 2016-05-19 | Mecal Intellectual Property And Standards B.V. | Hydraulic transmission, use of a linearly telescoping hydraulic cylinder and a method of transmitting hydraulic fluid |
| CN205918543U (en) * | 2016-06-15 | 2017-02-01 | 三一重型能源装备有限公司 | Fluid pressure type aerogenerator |
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| JPH09156521A (en) * | 1995-12-12 | 1997-06-17 | Unisia Jecs Corp | Power steering device |
| CN102606435A (en) * | 2012-03-30 | 2012-07-25 | 三一电气有限责任公司 | Wind generating set and hydraulic pump aggregate thereof |
| WO2016076716A1 (en) * | 2014-11-11 | 2016-05-19 | Mecal Intellectual Property And Standards B.V. | Hydraulic transmission, use of a linearly telescoping hydraulic cylinder and a method of transmitting hydraulic fluid |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971981A (en) * | 2016-06-15 | 2016-09-28 | 三重型能源装备有限公司 | Hydraulic power mechanism and hydraulic wind power generator |
| CN105971981B (en) * | 2016-06-15 | 2018-07-17 | 三一重型能源装备有限公司 | Hydraulic power mechanism and fluid pressure type wind-driven generator |
| CN110073103A (en) * | 2016-12-12 | 2019-07-30 | 卡玛特有限及两合公司 | Piston pump and its purposes in wind power installation |
| CN111919025A (en) * | 2018-07-17 | 2020-11-10 | 费伦茨·贝科 | Devices for converting wind or water energy |
| CN110425127A (en) * | 2019-08-12 | 2019-11-08 | 青岛海洋科学与技术国家实验室发展中心 | Plunger pump group and assignment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105971826B (en) | 2018-08-10 |
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