CN105971826B - Fluid pressure type wind-driven generator - Google Patents
Fluid pressure type wind-driven generator Download PDFInfo
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- CN105971826B CN105971826B CN201610425370.9A CN201610425370A CN105971826B CN 105971826 B CN105971826 B CN 105971826B CN 201610425370 A CN201610425370 A CN 201610425370A CN 105971826 B CN105971826 B CN 105971826B
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- Prior art keywords
- oil
- hydraulic
- power mechanism
- fluid pressure
- pressure type
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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
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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
- 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
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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
- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—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
Abstract
The invention discloses a kind of fluid pressure type wind-driven generators, including blade, cabin, tower, hydraulic motor and generator, are wherein provided with hydraulic power mechanism in cabin；When operation, blade drives shaft rotation, and then hydraulic power mechanism is driven to work, and the hydraulic oil of hydraulic power mechanism discharge is delivered to hydraulic motor, and hydraulic motor is driven to work, and hydraulic motor drives electrical power generators.By using above-mentioned hydraulic power mechanism, enough hydraulic oil can be provided, to ensure that generator works normally；Also, the fluid pressure type wind-driven generator can simplify engine room structure, reduce the weight of cabin and tower by hydraulic motor and generator arrangements on the ground, to offer convenience to manufacture, installation and safeguarding.
Description
Technical field
The present invention relates to wind generating technologies, and in particular 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 wide in Development volue and commercialization are promoted
Development prospect, using the technical solution of wind power generation in the continuous research and development in various countries.Core as wind-power electricity generation is set
Standby, the quality of wind-driven generator has been largely fixed the economic benefit of wind generating technology.
In general, wind-driven generator, which includes tower, cabin (also referred to as tower head) and three piths of blade, cabin, is set to tower
Cylinder top, blade are connect by transmission shaft with cabin；According to the difference of the kind of drive, wind-driven generator is divided into mechanical and hydraulic pressure
Two class of formula.The components such as gearbox, generator and control element, transmission shaft are provided on mechanical wind generator, in cabin
It is connect with gearbox；When operation, wind-force drives blade to rotate, after the rotary motion that gearbox inputs blade carries out speedup drop torsion
Generator is passed to, generator converts the kinetic energy into electrical energy and by circuit output to power grid.On fluid pressure type wind-driven generator,
Hydraulic pump is provided in cabin, transmission shaft is connect with hydraulic pump, and hydraulic motor and generator are provided on ground；When operation, leaf
Piece drives hydraulic pump works, hydraulic pump to be supplied to the hydraulic motor on ground, hydraulic motor-driving generator after hydraulic oil pressurizes
Work.
Increase with the power of wind-driven generator, on mechanical wind generator, the volume of gearbox and generator, again
Measure it is increasing, to manufacture, installation and safeguard bring extreme difficulties；Likewise, with the increase of wind-power electricity generation acc power, liquid
Press pump needs to provide the hydraulic oil of big flow, and existing hydraulic pump cannot be satisfied demand；Therefore, big work(is seriously constrained
The production of rate wind-driven generator.
Invention content
In view of this, the present invention proposes a kind of new structural fluid pressure type wind-driven generator, the fluid pressure type wind-driven generator
It is provided with unique hydraulic power mechanism, to ensure the supply of hydraulic oil.
Fluid pressure type wind-driven generator proposed by the present invention includes blade, cabin, tower, hydraulic motor and generator, described
Cabin is set to atop a tower, and hydraulic power mechanism is provided in the cabin；
The hydraulic power mechanism includes shaft, holder and at least one oil supply unit, and the shaft is rotatably provided in
On holder；The oil supply unit includes eccentric wheel, eccentric outer shroud, multiple first control valves, multiple telescopic oil cylinders, guide cylinder and leads
Bar, the eccentric wheel are fixed in shaft, and the bias outer shroud is rotatably sleeved on eccentric wheel；The one of the telescopic oil cylinder
End is hinged with holder, and the other end and eccentric outer shroud are hinged；The guide cylinder is connect with holder, outside one end of the guide rod and bias
Ring is articulated with the first hinge joint, and the other end is slidably connected with guide cylinder；First control valve is connect with telescopic oil cylinder, for controlling
The oil suction and oil extraction of telescopic oil cylinder processed；
The blade is connect with shaft, and the hydraulic power mechanism is connect with hydraulic motor, for being provided for hydraulic motor
Hydraulic oil；The hydraulic motor is connect with generator, for driving generator operation.
Preferably, the inlet port of the hydraulic power mechanism and oil discharge outlet may be contained on holder, first control valve
It is connect with inlet port, oil discharge outlet；In the first state, telescopic oil cylinder is connected to by first control valve with inlet port, second
Under state, telescopic oil cylinder is connected to by first control valve with oil discharge outlet.
Preferably, oil suction line and oil extraction oil circuit, the oil suction line and the equal ring of oil extraction oil circuit are provided on the holder
It is arranged around oil supply unit, and oil suction line is connected to inlet port, oil extraction oil circuit is connected to oil discharge outlet.
Preferably, the quantity of the hydraulic motor is multiple, and is arranged in parallel between multiple hydraulic motors.
Preferably, the inlet port of the oil return opening of the hydraulic motor and hydraulic power mechanism connects.
Preferably, the fluid pressure type wind-driven generator further includes hydraulic oil container and slippage pump, the slippage pump respectively with liquid
The inlet port connection of pressure oil case, hydraulic power mechanism.
Preferably, the fluid pressure type wind-driven generator further includes the first overflow valve group and the second overflow valve group；Described first
Overflow valve group is in parallel with hydraulic motor, the second overflow valve group be set to hydraulic oil container and hydraulic power mechanism inlet port it
Between.
Preferably, the fluid pressure type wind-driven generator further includes multiple second control valves, and second control valve is set to
Between the oil discharge outlet and hydraulic motor of hydraulic power mechanism, for controlling hydraulic motor.
Preferably, first control valve includes two check valves, and one of check valve is set to the telescopic oil cylinder
Between inlet port, another check valve is set between the telescopic oil cylinder and oil discharge outlet.
Preferably, first control valve is two-bit triplet reversal valve, and under the first predetermined state, the two-bit triplet changes
Telescopic oil cylinder is connected to inlet port to valve, under the second predetermined state, the two-bit triplet reversal valve is by telescopic oil cylinder and arranges
Hydraulic fluid port is connected to.
Fluid pressure type wind-driven generator proposed by the present invention includes blade, cabin, tower, hydraulic motor and generator, wherein
Hydraulic power mechanism is provided in cabin；When operation, blade drives shaft rotation, and then hydraulic power mechanism is driven to work, liquid
The hydraulic oil of pressure power mechanism discharge is delivered to hydraulic motor, and hydraulic motor is driven to work, and hydraulic motor drives electrical power generators.
By using above-mentioned hydraulic power mechanism, enough hydraulic oil can be provided, to ensure that generator works normally；Also,
The fluid pressure type wind-driven generator can simplify engine room structure by hydraulic motor and generator arrangements on the ground, reduce cabin and
The weight of tower, to offer convenience to manufacture, installation and maintenance.
Wherein, the operation principle of hydraulic power mechanism is：When work, shaft band movable eccentric wheel rotates, and then drives bias
Outer shroud is moved radially along shaft, while eccentric outer shroud is around the first hinged spot wobble；Eccentric outer shroud drives the work of telescopic oil cylinder
Stopper rod is with respect to cylinder barrel stretching motion, and during the stretching motion of piston rod, the cavity volume in cylinder barrel periodically increases or reduces；
When cavity volume increases, telescopic oil cylinder sucks hydraulic oil, and when cavity volume reduces, hydraulic oil is discharged in telescopic oil cylinder.Turn in shaft
During dynamic, the oil suction and oil extraction of multiple telescopic oil cylinders alternative expression in order, and then ensure that the hydraulic oil for having big flow always
It is supplied to hydraulic actuator.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram for hydraulic power mechanism that the specific embodiment of the invention provides；
Fig. 2 is the sectional view in the directions A-A in Fig. 1；
Fig. 3 is the partial enlarged view of part B in Fig. 1；
Fig. 4 is the schematic diagram of hydraulic power mechanism shown in Fig. 1；
Fig. 5 is the stereoscopic schematic diagram for another hydraulic power mechanism that the specific embodiment of the invention provides；
Fig. 6 is the sectional view of hydraulic power mechanism shown in Fig. 5；
Fig. 7 is the hydraulic schematic diagram for the fluid pressure type wind-driven generator that the specific embodiment of the invention provides；
Fig. 8 is the partial enlarged view of Fig. 7；
Fig. 9 is the enlarged drawing of the first overflow valve group.
Reference sign：
1-2-eccentric wheel of shaft, 3-bias outer shroud the 5-the first control valve of 4-telescopic oil cylinder
6-guide cylinder 7-guide rod, 8-oil extraction oil circuit 9-oil suction line, 10-oil supply units
11-holder 12-pedestal, 13-cylinder barrel, 14-piston rod, 15-bearing, 16-inner rings
17-20-hydraulic motor of outer ring the 31-the first inserted valves of the 30-the second control valve
32-the second inserted valve 33-first throttle valve, 34-second throttle
35-the first solenoid valve the 40-the first overflow 41-second solenoid valve of valve group
42-third inserted valve 43-overflow valve, 50-shuttle valve, 60-slippage pumps
70-the second overflow valve group 80-hydraulic oil container, 100-hydraulic power mechanism
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The specific embodiment of the invention propose fluid pressure type wind-driven generator include blade, cabin, tower, hydraulic motor 20 and
Generator, cabin are set to atop a tower, hydraulic power mechanism 100 are provided in cabin；As shown in Figures 1 to 4, hydraulic power
Mechanism 100 includes shaft 1, holder 11 and an oil supply unit 10, and the bottom end of holder 11 is provided with pedestal 12, the both ends of shaft 1
It is rotatably arranged on holder 11 by bearing 15；Oil supply unit 10 includes eccentric wheel 2, eccentric outer shroud 3, multiple first controls
Valve 5, multiple telescopic oil cylinders 4, guide cylinder 6 and guide rod 7, eccentric wheel 2 are fixed in shaft 1, and eccentric outer shroud 3 can by revolving support
It is rotationally set on eccentric wheel 2, revolving support includes inner ring 16, outer ring 17 and roller, as shown in figure 3, roller is located at inner ring
Between 16 and outer ring 17, inner ring 16 is bolted to connection with eccentric wheel 2, and outer ring 17 is bolted with eccentric outer shroud 3
Connection；Telescopic oil cylinder 4 includes cylinder barrel 13 and piston rod 14, and cylinder barrel 13 is hinged with holder 11, one end sliding setting of piston rod 14
In cylinder barrel 13, the other end of piston rod 14 and eccentric outer shroud 3 are hinged；Guide cylinder 6 is fixed on holder 11, one end of guide rod 7
It is articulated with the first hinge joint with eccentric outer shroud 3, the other end and the guide cylinder 6 of guide rod 7 are slidably connected；It is provided with oil suction on holder 11
Mouth and oil discharge outlet, the first control valve 5 are connect with telescopic oil cylinder 4, inlet port and oil discharge outlet；Blade is connect with shaft, hydraulic power
Mechanism 100 is connect with hydraulic motor 20, and hydraulic motor is connect with generator.
The operation principle of hydraulic power mechanism 100 is：When work, shaft 1 is rotated with movable eccentric wheel 2, and then drives bias
Outer shroud 3 is moved radially along shaft 1, while eccentric outer shroud 3 is around the first hinged spot wobble；Eccentric outer shroud 3 drives telescopic oil cylinder 4
Piston rod 14 with respect to cylinder barrel 13 stretching motion, during the stretching motion of piston rod 14, the cavity volume period in cylinder barrel 13
Property increase or reduce；When cavity volume increases (first state), cavity volume is connected to by the first control valve 5 with hydraulic oil container 80,
Telescopic oil cylinder 4 sucks hydraulic oil, and when cavity volume reduces (the second state), the first control valve 5 is by cavity volume and hydraulic motor
20 connections.
In 1 rotation process of shaft, the oil suction and oil extraction of the alternative expression in order of multiple telescopic oil cylinders 4, and then ensure the liquid
Pressure power mechanism 100 has the hydraulic oil of big flow to be discharged through oil discharge outlet always.In addition, by the way that unified inlet port and oil extraction is arranged
Mouthful, the arrangement of fluid pressure line can be simplified.
Fig. 7 show the hydraulic schematic diagram of fluid pressure type wind-driven generator, the hydraulic system packet of the fluid pressure type wind-driven generator
Include hydraulic power mechanism 100, the first overflow valve group 40, the second control valve of hydraulic motor 20, two of the second overflow valve group 70, two
30, slippage pump 60, hydraulic oil container 80 and shuttle valve 50；The oil discharge outlet of hydraulic power mechanism 100 respectively with the first overflow valve group 40,
Two control valves 30 connect, the inlet port of hydraulic power mechanism 100 respectively with the second overflow valve group 70, slippage pump 60, hydraulic motor
20 oil return opening connection, the oil inlet of hydraulic motor 20 are connect with the second control valve 30；Shuttle valve 50 is arranged in oil discharge outlet and oil suction
Between mouthful, the pressure for obtaining control oil circuit.
When work, hydraulic oil is discharged through oil discharge outlet in hydraulic power mechanism 100, and hydraulic oil enters hydraulic pressure horse through the second control valve
Up to 20, under the driving of hydraulic oil, hydraulic motor 20 works, while the hydraulic oil of the oil return opening discharge low pressure of hydraulic motor 20,
The hydraulic oil that hydraulic motor 20 is discharged comes back to hydraulic power mechanism 100 through inlet port.When hypertonia at oil discharge outlet,
First overflow valve group 40 starts overflow, and then prevents from overloading；When hypertonia at inlet port, the second overflow valve group 70 starts
Overflow.When needing to stop the work of some hydraulic motor 20, the second control valve 30 disconnects the connection of hydraulic motor 20 and oil discharge outlet,
The oil inlet of hydraulic motor is connected to its oil return opening simultaneously.Such as moved because leakage causes 20 oil return opening of hydraulic motor to be delivered to hydraulic pressure
When the hydraulic pressure shortage of oil of the inlet port of force mechanisms 100, slippage pump 60 works, and the hydraulic oil in hydraulic oil container 80 is supplemented to hydraulic pressure
Actuating unit 100.
As shown in figure 8, the second control valve 30 specifically include the first inserted valve 31, the second inserted valve 32, first throttle valve 33,
Second throttle 34 and the first solenoid valve 35, when needing hydraulic motor 20 to work, the first solenoid valve 35 controls the first inserted valve
31 conductings, the second inserted valve 32 is closed, at this point, the oil inlet of hydraulic motor 20 is connected to the oil discharge outlet of hydraulic power mechanism 100,
When stopping the work of hydraulic motor 20, the first solenoid valve 35 controls the first inserted valve 31 and closes, the conducting of the second inserted valve 32, this
When, the oil inlet of hydraulic motor 20 and the oil discharge outlet of hydraulic power mechanism 100 disconnect, while the oil inlet of hydraulic motor 20 and its
The oil return opening connection of itself.Second control valve 30 of this structure is of low cost, dependable performance.
As shown in figure 9, the first overflow valve group 40 specifically includes second solenoid valve 41, third inserted valve 42 and overflow valve 43；
Overflow valve 43 is used to control third inserting when system pressure reaches oil pressure relief for setting oil pressure relief, second solenoid valve 41
Valve 42 is opened, at this point, the high pressure oil of the oil discharge outlet side of hydraulic power mechanism 100 can be through 42 overflow of third inserted valve to oil suction
Mouth side.First overflow valve group 40 of the structure is of low cost, dependable performance, and can carry out the overflow of big flow.
In order to ensure to export stabilization of speed, hydraulic motor 20 preferentially uses variable displacement motor, and when blade rotational speed changes, hydraulic pressure is dynamic
The hydraulic fluid flow rate that force mechanisms 100 provide can also fluctuate, and variable displacement motor can be according to rotational speed regulation itself discharge capacity of blade, in turn
Ensure stabilization of speed.
In the above-described embodiments, the concrete structure of the first control valve 5 can there are many, as long as it can be with 4 phase of telescopic oil cylinder
Matching；Specifically, at least there is following four structure type：
1) when telescopic oil cylinder 4 is one-way cylinder, the first control valve 5 is made of two check valves, one of them is unidirectional
Valve is set between telescopic oil cylinder 4 and inlet port, and for controlling oil suction, another check valve is set to telescopic oil cylinder 4 and oil extraction
Between mouthful, 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, in cavity volume
When increase, telescopic oil cylinder 4 is connected to by two-bit triplet reversal valve with inlet port, and when cavity volume reduces, two-bit triplet reversal valve will
Telescopic oil cylinder 4 is connected to oil discharge outlet.
3) when telescopic oil cylinder 4 is two-way cylinder, the first control valve 5 is made of four check valves, two-way cylinder ratio
The more cavity volumes of one-way cylinder, each cavity volume corresponds to the check valve that one controls oil suction and one controls the unidirectional of oil extraction
Valve.
4) when telescopic oil cylinder 4 is two-way cylinder, the first control valve 5 is two position and four-way reversing valves, in double acting
On oil cylinder, when a cavity volume oil extraction, another cavity volume oil suction；Four hydraulic fluid ports of two position and four-way reversing valves connect oil suction respectively
One of cavity volume is connected to by two cavity volumes of mouth, oil discharge outlet and telescopic oil cylinder 4, two position and four-way reversing valves with oil discharge outlet
Meanwhile another cavity volume being connected to inlet port.
In order to further facilitate the arrangement of oil circuit, oil suction line 9 and oil extraction oil circuit 8, oil suction oil are provided on holder 11
Road 9 and oil extraction oil circuit 8 are arranged around oil supply unit 10, and oil suction line 9 is connected to inlet port, oil extraction oil circuit 8 and oil discharge outlet
Connection；First control valve 5 is connect through oil suction line 9 with inlet port, and is connect with oil discharge outlet through oil extraction oil circuit 8.
In other embodiments, hydraulic power mechanism 100 has multiple oil supply units 10, as shown in Figure 5 and Figure 6, the liquid
Pressure power mechanism 100 includes three oil supply units 10,120 degree of the carrier phase shift of the eccentric wheel 2 of three oil supply units 10.Pass through
The quantity for increasing oil supply unit 10, can further increase the fuel supply flow rate of hydraulic power mechanism 100.
It should be noted that in other embodiments, rolling bearing 15 can also be used to replace revolving support.Certainly, it is
Flow with bigger, the quantity of oil supply unit 10 can also further increase.In addition, the quantity of hydraulic motor 20 can be more
It is more.Multiple hydraulic motors 20 drive generator simultaneously, in the case where the general power of transmission is constant, the work(of each hydraulic motor 20
Rate can reduce, and then facilitate 20 type selecting of hydraulic motor；In the case where 20 power of single hydraulic motor is constant, multiple hydraulic pressure horses
It can be by the power transfer of bigger to generator up to 20.
According to principles and structure it will be apparent that hydraulic power mechanism proposed by the present invention 100 can rotate machinery
Movement is converted to the pressure energy of hydraulic oil, meanwhile, telescopic oil cylinder 4 possessed by the quantity of oil supply unit 10 and each oil supply unit 10
Quantity can flexible arrangement as needed；Therefore, the hydraulic oil of big flow can be provided using the hydraulic power mechanism 100,
To meet the needs of wind-driven generator.In addition, telescopic oil cylinder 4 can be prevented as ripe Hydraulic Elements with lift-off seal effect
Only hydraulic fluid leak.
By using above-mentioned hydraulic power mechanism 100, enough hydraulic oil can be obtained, to ensure that generator is normal
Work；And it can simplify engine room structure by hydraulic motor 20 and generator arrangements on the ground, reduce the weight of cabin and tower
Amount, to offer convenience to the manufacture of the fluid pressure type wind-driven generator, installation and maintenance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of fluid pressure type wind-driven generator, which is characterized in that including blade, cabin, tower, hydraulic motor (20) and power generation
Machine, the cabin are set to atop a tower, and hydraulic power mechanism (100) is provided in the cabin；
The hydraulic power mechanism (100) includes shaft (1), holder (11) and at least one oil supply unit (10), the shaft
(1) it is rotatably provided on holder (11)；The oil supply unit (10) includes eccentric wheel (2), eccentric outer shroud (3), multiple first
Control valve (5), multiple telescopic oil cylinders (4), guide cylinder (6) and guide rod (7), the eccentric wheel (2) are fixed in shaft (1), institute
Eccentric outer shroud (3) is stated to be rotatably sleeved on eccentric wheel (2)；One end of the telescopic oil cylinder (4) is hinged with holder (11), separately
One end and eccentric outer shroud (3) are hinged；The guide cylinder (6) connect with holder (11), one end of the guide rod (7) and eccentric outer shroud
(3) it is articulated with the first hinge joint, the other end is slidably connected with guide cylinder (6)；First control valve (5) and telescopic oil cylinder (4)
Connection, oil suction and oil extraction for controlling telescopic oil cylinder (4)；
The blade is connect with shaft (1), and the hydraulic power mechanism (100) connect with hydraulic motor (20), for being hydraulic pressure
Motor (20) provides hydraulic oil；The hydraulic motor (20) connect with generator, for driving generator operation.
2. fluid pressure type wind-driven generator according to claim 1, which is characterized in that the hydraulic power mechanism (100)
Inlet port and oil discharge outlet may be contained on holder (11), and first control valve (5) connect with inlet port, oil discharge outlet；First
Under state, telescopic oil cylinder (4) is connected to by first control valve (5) with inlet port, in the second condition, first control valve
(5) telescopic oil cylinder (4) is connected to oil discharge outlet.
3. fluid pressure type wind-driven generator according to claim 2, which is characterized in that be provided with oil suction on the holder (11)
Oil circuit (9) and oil extraction oil circuit (8), the oil suction line (9) and oil extraction oil circuit (8) are arranged around oil supply unit (10), and are inhaled
Oil circuit (9) is connected to inlet port, and oil extraction oil circuit (8) is connected to oil discharge outlet.
4. fluid pressure type wind-driven generator according to claim 1, which is characterized in that the quantity of the hydraulic motor (20) is
It is multiple, and be arranged in parallel between multiple hydraulic motors (20).
5. fluid pressure type wind-driven generator according to any one of claims 1 to 4, which is characterized in that the hydraulic motor
(20) oil return opening is connect with the inlet port of hydraulic power mechanism (100).
6. fluid pressure type wind-driven generator according to claim 5, which is characterized in that further include hydraulic oil container (80) and repairing
It pumps (60), the slippage pump (60) connect with the inlet port of hydraulic oil container (80), hydraulic power mechanism (100) respectively.
7. fluid pressure type wind-driven generator according to claim 6, which is characterized in that further include the first overflow valve group (40) and
Second overflow valve group (70)；The first overflow valve group (40) is in parallel with hydraulic motor (20), the second overflow valve group (70)
It is set between hydraulic oil container (80) and the inlet port of hydraulic power mechanism (100).
8. fluid pressure type wind-driven generator according to claim 5, which is characterized in that further include multiple second control valves
(30), second control valve (30) is set between the oil discharge outlet of hydraulic power mechanism (100) and hydraulic motor (20), is used for
Control hydraulic motor (20).
9. fluid pressure type wind-driven generator according to claim 2, which is characterized in that first control valve (5) includes two
A check valve, one of check valve are set to the telescopic oil cylinder (4) between inlet port, another check valve is set to institute
Telescopic oil cylinder (4) is stated between oil discharge outlet.
10. fluid pressure type wind-driven generator according to claim 2, which is characterized in that first control valve (5) is two
Three-way diverter valve, under the first predetermined state, telescopic oil cylinder (4) is connected to by the two-bit triplet reversal valve with inlet port,
Under two predetermined states, telescopic oil cylinder (4) is connected to by the two-bit triplet reversal valve with oil discharge outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425370.9A CN105971826B (en) | 2016-06-15 | 2016-06-15 | Fluid pressure type wind-driven generator |
Applications Claiming Priority (1)
| 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 CN105971826A (en) | 2016-09-28 |
| CN105971826B true 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102016124048A1 (en) * | 2016-12-12 | 2018-06-14 | Kamat Gmbh & Co. Kg | Axial piston pump with high flow rate at low speed and use of a piston pump in a wind turbine |
| HUP1800253A1 (en) * | 2018-07-17 | 2020-01-28 | Ferenc Bekoe | Wind-water energy conversion equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09156521A (en) * | 1995-12-12 | 1997-06-17 | Unisia Jecs Corp | Power steering device |
| CN102606435B (en) * | 2012-03-30 | 2015-02-04 | 三一电气有限责任公司 | Wind generating set and hydraulic pump aggregate thereof |
| NL2013773B1 (en) * | 2014-11-11 | 2016-10-06 | Mecal Intellectual Property And Standards B V | Hydraulic transmission. |
| 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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