CN101806291A - Wind power generation actuating device - Google Patents
Wind power generation actuating device Download PDFInfo
- Publication number
- CN101806291A CN101806291A CN200910085944A CN200910085944A CN101806291A CN 101806291 A CN101806291 A CN 101806291A CN 200910085944 A CN200910085944 A CN 200910085944A CN 200910085944 A CN200910085944 A CN 200910085944A CN 101806291 A CN101806291 A CN 101806291A
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- hydraulic
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- wind
- power generation
- hydraulic pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4148—Open loop circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
- F16H61/4096—Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4165—Control of cooling or lubricating
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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
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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
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind power generation actuating device which adopts the hydraulic drive mode to replace the traditional gear step-up drive and can realize long-distance mechanical energy transmission of wind power generation so as to realize the purposes of putting a generator on the ground, lightening wind machine high-altitude quality and lowering installation and maintenance difficulty and cost. The wind power generation actuating device of the invention comprises a power part (volume adjustable hydraulic pump), an actuating part (hydraulic motor) and a hydraulic transmission and control part, wherein the hydraulic transmission and control part comprises a volume throttling flow control circuit and ensures the rotation speed of the hydraulic motor. In addition, the hydraulic transmission part also comprises an energy accumulator, a cooling part, an oil filter and a one-way valve, wherein the energy accumulator is used for providing assistant power, and the cooling part is used for cooling hydraulic oil when temperature is too high.
Description
Technical field
The present invention relates to a kind of kind of drive and device, particularly a kind of energy transfer mode and transmission device that is applied to wind-power electricity generation.
Background technique
Wind-power electricity generation utilizes wind energy to generate electricity, and wind power generating set is to be the machinery of electric energy with wind energy transformation.Wind wheel blade on the wind-powered electricity generation unit produces aerodynamic force and makes the wind wheel rotation under the air-flow effect, convert wind energy to mechanical energy.Say with regard to horizontal axis wind-driven generator rice: driving mechanism is responsible for the transmission work of energy in wind-power electricity generation, very low wind speed round (600 kilowatts blower fan is generally 27 rev/mins) is become very high generator speed (being generally 1500 rev/mins).Also make simultaneously generator be easy to control, realize the output of stable frequency and voltage.Its performance directly influences the generating efficiency of whole system.Therefore, the driving mechanism of wind power generating set is the key components of wind power generation system.
The main foundation that transmission system is selected is: the transmission efficiency height; Reduce installation and maintenance difficulty and expense; Reduce volume, the weight of wind power generation actuating device; Can satisfy environmental requirement that wind power generating set sets up etc.Traditional wind-power electricity generation transmission scheme drives generator by the gear-box speedup, and mechanical energy is transformed into electric energy.
Traditional wind power generation driving system adopts step-up gear to transmit the mode of mechanical energy, in order to guarantee the high transmission efficiency of trying one's best, gear-box is installed in after the wind wheel, makes at least 20 tons of main mechanical parts high aerial installation of 〉=25m, safeguards, the very inconvenience of dismounting large component.In addition, the generator that is incorporated into the power networks in the wind-power generating system is divided into two kinds of synchronous versus asynchronous.When synchronous generator is incorporated into the power networks, under the method for operation of constant-speed and constant-frequency, in order to keep the rotating speed of generator, require wind energy conversion system that accurate speed control system tradition is arranged, this has just increased system complexity.When induction generator is incorporated into the power networks, must carefully select the logarithm of motor level and the speed increasing ratio of gear-box.If it is little that the number of pole-pairs of motor is selected, then the size of motor is littler, and the speed ratio of step-up gear increases, and the size of gear-box strengthens; Otherwise, if the choosing of the number of pole-pairs of motor is big, then the size of motor more greatly, and the speed ratio of step-up gear minimizing, the size of gear-box reduces.No matter which kind of method, whole wind motor case body size, weight are all still very big.So step-up gear and generator all are placed on the pylon top, can increase load, make the design-build of pylon require higher support tower.More than 2 all cause and build and maintenance cost improves greatly.
In addition, one big characteristics of wind-power electricity generation are exactly that wind speed can frequently change, under the normal starting state of traditional wind-power generating system, blade is for free rotation state, if the low deficiency of wind speed is so that the wind-powered electricity generation machine starts to generating, the wind-powered electricity generation unit will keep free idling conditions always, and this has just caused the waste of energy.
Moreover the area that THE WIND ENERGY RESOURCES IN CHINA is abundant mainly concentrates on northern and coastal and be with greatly on island two, and this operating ambient temperature that has just determined wind-driven generator is between-40 ℃～20 ℃.Under extremely low temperature, if crossing low lubricant oil, the temperature of gear-box can become very thick because temperature is too low, especially take the mode at splash lubrication position, parts can't obtain lubricated fully, can cause gear or bearing to lack lubricating and damage.If just outer cabin temperature is low excessively, then lubricant oil also can cause the not smooth problem that flows in the pipeline, and the gear case oil temperature is returned constantly and risen until shutdown when gear case oil can not arrive radiator by pipeline.Therefore the traditional wind group must be installed heating equipment to gear case oil and engine room inside, has increased system complexity.
Summary of the invention
The object of the present invention is to provide a kind of wind power generation actuating device, the length that can realize wind-power electricity generation is placed on ground apart from the mechanical energy transmission thereby reach generator, alleviates the purpose of wind energy conversion system high-altitude quality.
Purpose of the present invention is achieved through the following technical solutions:
According to an aspect of the present invention, a kind of wind-power electricity generation kind of drive and device comprise: power section (oil hydraulic pump): be used for the transmission of wind wheel lower velocity shaft and the mechanical energy of coming converts the hydraulic pressure energy to, for fluid drive mechanism provides power: be connected with wind energy conversion system; Do-part (oil hydraulic motor): be used for hydraulic pressure can be converted to mechanical energy, drive the generating of generator high speed rotating, described part is connected with the generator input shaft; The fluid power transmitting portions: be used for the carrier fluid pressure energy, keep and the increase hydraulic pressure, described part is connected with oil hydraulic pump and oil hydraulic motor.Wherein, described fluid power transmitting portions comprises a volume-flow control circuit, guarantees the rotating speed of oil hydraulic motor.
Preferably, above-mentioned a kind of wind-power electricity generation kind of drive and device, axial piston pump is adopted in wherein said power section (oil hydraulic pump), and main shaft links to each other with the wind wheel lower velocity shaft.Plunger pump adopts the structural configuration mode of 7 plungers, reduces pulsation rate.
Preferably, above-mentioned a kind of wind-power electricity generation kind of drive and device, wherein said do-part (oil hydraulic motor) adopts piston motor, and high pressure oil feeds its pumping cavity, and cylinder body and motor drive shaft rotate together, link to each other with the motor input shaft.
Beneficial effect of the present invention is mainly reflected in:
One, transmission device of the present invention adopts hydraulic transmission mode, and it is little, in light weight that hydraulic transmission has a volume, advantage.Has only 10%～20% of motor with the weight of power oil hydraulic motor.Therefore inertial force is less, when unexpected overload or parking, big impact can not take place;
Two, adopt hydraulic transmission mode, can grow the transmission of movement of distance easily, thereby realize generator is placed on the layout on ground, alleviated the load of wind-driven generator cat head greatly, can improve the life-span of pylon, reduce the requirement that tower design is made, reduce construction cost.The moving down of wind-driven generator parts also make generator construction and safeguard more easyly, maintenance cost is reduced.
Three, connect with oil pipe between oil hydraulic pump and the oil hydraulic motor, on spatial arrangement, be not subjected to strict restriction each other; Because adopting fluid is working medium, can lubricate voluntarily between the element relative motion surface, it is little to wear and tear, long service life;
Four, hydraulic element have been realized standardization, seriation, generalization, have been convenient to design, make and use.Therefore, utilize hydraulic transmission can well solve the too high problem of construction maintenance cost that the gear speeder transmission cann't be solved.
Five, hydraulicdriven shortcoming just is that hydraulic transmission changes sensitivity to the oil temperature, and this can influence its working stability.Hydraulic transmission is in the process of Conversion of energy, and particularly in the throttle grverning system, its pressure is big, and flow loss is big, so system effectiveness is lower.Yet the energy loss overwhelming majority of its system is converted into heat energy, has realized the protection problem of low-temperature working that the heating of hydraulic oil is solved just.
Description of drawings
Invention: " wind power generation actuating device " has two width of cloth accompanying drawings:
Fig. 1 is the present invention's's a " wind power generation actuating device " transformation of energy schematic representation;
Fig. 2 is the structural drawing of the present invention's " wind power generation actuating device ";
Embodiment
Below in conjunction with accompanying drawing and specific embodiments the present invention is further specified.
The present invention is an example with the 100kW wind power generation actuating device.
Wind power generation actuating device conversion process of energy of the present invention after the wind wheel of wind energy conversion system converts wind energy to mechanical energy, converts mechanical energy to the hydraulic pressure energy by the oil hydraulic pump of wind power generation actuating device of the present invention as shown in Figure 1; Hydraulic pressure can be passed to oil hydraulic motor through the hydrodynamic component of this transmission device, can convert hydraulic pressure to mechanical energy by oil hydraulic motor again, drives generator for electricity generation.In this process, realized the energy transfer of long distance, and the wind wheel output slow-speed of revolution of wind energy conversion system has been improved into the high rotating speed of input of generator input shaft.
The overall structure of wind power generation actuating device of the present invention as shown in Figure 2, described transmission device comprises volume adjustable hydraulic pump 1, accumulator 2, series flow control valve 3, oil hydraulic motor 4, back pressure valve 5, Pilot operated check valve 6, filter 7, fuel tank 8, cooler 9, safety valve 10, stop valve 11, and above all hydraulic element connects with oil pipe 12.
Form volume-flow control circuit by volume adjustable hydraulic pump 1 and series flow control valve 3.Series flow control valve 3 is regulated the hydraulic fluid flow rate that enters oil hydraulic motor 4, thus the discharge capacity of regulator solution pressure motor 4, the rotating speed of control oil hydraulic motor 4.Oil return is returned fuel tank through back pressure valve 5.
Accumulator 2 is installed on the pipeline between the volume adjustable hydraulic pump 1 and series flow control valve 3, as the auxiliary power source of hydraulic system.When hydraulic pressure oil mass lower when wind speed round, volume adjustable hydraulic pump 1 output was less, volume adjustable hydraulic pump oil hydraulic pump 1 and accumulator 2 were simultaneously to the pipeline fuel feeding; When hydraulic pressure oil mass higher when wind speed round, volume adjustable hydraulic pump 1 output was big, volume adjustable hydraulic pump oil hydraulic pump 1 also can be to the accumulator fuel feeding to system's fuel feeding the time.
One-way valve 6 is installed on the inlet line of volume adjustable hydraulic pump 1, hydraulic oil adverse current when preventing to be short of power.
Oil purifier 7 is installed on the inlet line of volume adjustable hydraulic pump 1, avoids larger particles impurity entering variable oil hydraulic pump 1, and pump is caused damage.
Cooler 9 is installed on the return line of hydraulic system, and the system oil return that the system of having generated heat has been generated heat cools off.Safety valve 10 is used for protecting cooler 9.Have temperature sensing device on the stop valve 11, when temperature reaches certain value, when not needing cooler 9 to cool off, open stop valve 11, fluid need not directly flow back to fuel tank 8 through supercooler.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, all drop within the rights protection scope of the present invention.
Claims (9)
1. wind power generation actuating device and mode is characterized in that it comprises:
Power section (volume adjustable hydraulic pump): be used for the transmission of wind wheel lower velocity shaft and the mechanical energy of coming converts the hydraulic pressure energy to, for fluid drive mechanism provides power: be connected with wind energy conversion system;
Do-part (oil hydraulic motor): be used for hydraulic pressure can be converted to mechanical energy, drive the generating of generator high speed rotating, described part is connected with the generator input shaft;
The fluid power transmitting portions: be used for the carrier fluid pressure energy, keep and the increase hydraulic pressure, described part is connected with oil hydraulic pump and oil hydraulic motor.
Wherein, described fluid power transmitting portions comprises a volume-flow control circuit, guarantees the rotating speed of oil hydraulic motor.
2. wind power generation actuating device according to claim 1 is characterized in that: axial piston pump is adopted in power section (volume adjustable hydraulic pump).The main shaft of axial piston pump links to each other with the wind wheel lower velocity shaft.
3. wind power generation actuating device according to claim 1 is characterized in that: do-part (oil hydraulic motor) adopts piston motor, and high pressure oil feeds its pumping cavity, and cylinder body and motor drive shaft rotate together, link to each other with the motor input shaft.
4. wind power generation actuating device according to claim 1, it is characterized in that: the fluid power transmitting portions has comprised accumulator, series flow control valve, back pressure valve, Pilot operated check valve, filter, fuel tank, cooler, safety valve, stop valve, and above all hydraulic element connects with oil pipe.
5. according to claim 1 and 4 described wind power generation actuating devices, it is characterized in that: form volume-flow control circuit by volume adjustable hydraulic pump and series flow control valve.Series flow control valve is regulated the hydraulic fluid flow rate that enters oil hydraulic motor, thus the discharge capacity of regulator solution pressure motor, the rotating speed of control oil hydraulic motor.Oil return is returned fuel tank through back pressure valve.
6. wind power generation actuating device according to claim 4 is characterized in that: accumulator is installed on the pipeline between the volume adjustable hydraulic pump and series flow control valve, as the auxiliary power source of hydraulic system.When hydraulic pressure oil mass lower when wind speed round, volume adjustable hydraulic pump output was less, volume adjustable hydraulic pump and accumulator were simultaneously to the pipeline fuel feeding; When hydraulic pressure oil mass higher when wind speed round, volume adjustable hydraulic pump output was big, the volume adjustable hydraulic pump oil hydraulic pump was to system's fuel feeding the time, also to the accumulator fuel feeding.
7. wind power generation actuating device according to claim 4 is characterized in that: one-way valve is installed on the inlet line of volume adjustable hydraulic pump, hydraulic oil adverse current when preventing to be short of power.
8. wind power generation actuating device according to claim 4 is characterized in that: oil purifier is installed on the inlet line of volume adjustable hydraulic pump, avoids larger particles impurity entering variable oil hydraulic pump, and volume adjustable hydraulic pump is caused damage.
9. wind power generation actuating device according to claim 4 is characterized in that: cooler is installed on the return line of hydraulic system, and the system oil return that the system of having generated heat has been generated heat cools off.Safety valve is used for protecting cooler.Have temperature sensing device on the stop valve, when temperature reaches certain value, when not needing cooler to cool off, open stop valve, fluid need not directly flow back to fuel tank through supercooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085944A CN101806291A (en) | 2009-06-05 | 2009-06-05 | Wind power generation actuating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085944A CN101806291A (en) | 2009-06-05 | 2009-06-05 | Wind power generation actuating device |
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| CN101806291A true CN101806291A (en) | 2010-08-18 |
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| CN200910085944A Pending CN101806291A (en) | 2009-06-05 | 2009-06-05 | Wind power generation actuating device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102634A (en) * | 2011-02-15 | 2011-06-22 | 天津大学 | Wind power generation equipment with automatic speed control device and automatic speed control method thereof |
| CN102454555A (en) * | 2010-11-02 | 2012-05-16 | 三一电气有限责任公司 | Hydraulic system and wind-driven power generator set |
| CN102654105A (en) * | 2012-05-09 | 2012-09-05 | 江苏大学 | Separating flexible speed increasing device based on inner-curve hydraulic motor |
| CN102705182A (en) * | 2012-06-21 | 2012-10-03 | 张汝建 | Hydraulic drive wind power generation system |
| CN102997497A (en) * | 2012-12-21 | 2013-03-27 | 大连海洋大学 | Wind-powered cooling and heating device |
| CN103016934A (en) * | 2012-12-04 | 2013-04-03 | 大连华锐重工集团股份有限公司 | Wind-powered lubrication system with pressure buffer |
| CN103216392A (en) * | 2013-05-06 | 2013-07-24 | 山东宏康机械制造有限公司 | Novel wind power generation system |
| CN103291550A (en) * | 2013-05-30 | 2013-09-11 | 华北电力大学 | Novel full-hydraulic wind power system |
| CN104358661A (en) * | 2014-11-17 | 2015-02-18 | 四川川润液压润滑设备有限公司 | Wind power generator |
| CN104395600A (en) * | 2012-04-29 | 2015-03-04 | Lgt先进科技有限公司 | Wind energy system and method for using same |
| CN104565267A (en) * | 2014-12-20 | 2015-04-29 | 新昌县小将永进轴承厂 | Light-weight stepless gearbox |
| CN105003617A (en) * | 2015-07-16 | 2015-10-28 | 河海大学常州校区 | Hydraulic coupler |
| CN105065617A (en) * | 2015-07-16 | 2015-11-18 | 河海大学常州校区 | Hydraulic coupler |
| CN105822500A (en) * | 2016-05-31 | 2016-08-03 | 张名轩 | Hydraulic variable pitch control device of high-altitude wind driven generator |
| CN109488536A (en) * | 2019-01-16 | 2019-03-19 | 清华大学天津高端装备研究院洛阳先进制造产业研发基地 | A kind of wind-driven generator ADAPTIVE MIXED booster starting device |
| CN110296208A (en) * | 2019-07-25 | 2019-10-01 | 徐工集团工程机械股份有限公司科技分公司 | Transfer case and electric transmission wheeled loader |
| CN114278627A (en) * | 2021-12-23 | 2022-04-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Airborne pressurization energy storage hydraulic system and method capable of converting electric energy and hydraulic energy |
| CN117072378A (en) * | 2023-08-28 | 2023-11-17 | 杭州辚萧科技有限公司 | Energy-storage wind power generation device |
-
2009
- 2009-06-05 CN CN200910085944A patent/CN101806291A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454555A (en) * | 2010-11-02 | 2012-05-16 | 三一电气有限责任公司 | Hydraulic system and wind-driven power generator set |
| CN102454555B (en) * | 2010-11-02 | 2014-01-15 | 三一电气有限责任公司 | Hydraulic system and wind-driven power generator set |
| CN102102634A (en) * | 2011-02-15 | 2011-06-22 | 天津大学 | Wind power generation equipment with automatic speed control device and automatic speed control method thereof |
| CN104395600A (en) * | 2012-04-29 | 2015-03-04 | Lgt先进科技有限公司 | Wind energy system and method for using same |
| CN102654105A (en) * | 2012-05-09 | 2012-09-05 | 江苏大学 | Separating flexible speed increasing device based on inner-curve hydraulic motor |
| CN102705182A (en) * | 2012-06-21 | 2012-10-03 | 张汝建 | Hydraulic drive wind power generation system |
| CN103016934A (en) * | 2012-12-04 | 2013-04-03 | 大连华锐重工集团股份有限公司 | Wind-powered lubrication system with pressure buffer |
| CN103016934B (en) * | 2012-12-04 | 2015-06-10 | 大连华锐重工集团股份有限公司 | Wind-powered lubrication system with pressure buffer |
| CN102997497A (en) * | 2012-12-21 | 2013-03-27 | 大连海洋大学 | Wind-powered cooling and heating device |
| CN103216392A (en) * | 2013-05-06 | 2013-07-24 | 山东宏康机械制造有限公司 | Novel wind power generation system |
| CN103291550A (en) * | 2013-05-30 | 2013-09-11 | 华北电力大学 | Novel full-hydraulic wind power system |
| CN104358661A (en) * | 2014-11-17 | 2015-02-18 | 四川川润液压润滑设备有限公司 | Wind power generator |
| CN104565267B (en) * | 2014-12-20 | 2018-05-29 | 新昌县通用机械有限公司 | A kind of light weight infinitely variable transmission |
| CN104565267A (en) * | 2014-12-20 | 2015-04-29 | 新昌县小将永进轴承厂 | Light-weight stepless gearbox |
| CN105003617A (en) * | 2015-07-16 | 2015-10-28 | 河海大学常州校区 | Hydraulic coupler |
| CN105065617A (en) * | 2015-07-16 | 2015-11-18 | 河海大学常州校区 | Hydraulic coupler |
| CN105822500A (en) * | 2016-05-31 | 2016-08-03 | 张名轩 | Hydraulic variable pitch control device of high-altitude wind driven generator |
| CN105822500B (en) * | 2016-05-31 | 2018-10-02 | 张名轩 | One kind being directed to High aititude wind-driven generator hydraulic Airscrew pitch variable control device |
| CN109488536A (en) * | 2019-01-16 | 2019-03-19 | 清华大学天津高端装备研究院洛阳先进制造产业研发基地 | A kind of wind-driven generator ADAPTIVE MIXED booster starting device |
| CN109488536B (en) * | 2019-01-16 | 2024-04-19 | 清研(洛阳)先进制造产业研究院 | Self-adaptive hybrid power-assisted starting device of wind driven generator |
| CN110296208A (en) * | 2019-07-25 | 2019-10-01 | 徐工集团工程机械股份有限公司科技分公司 | Transfer case and electric transmission wheeled loader |
| CN114278627A (en) * | 2021-12-23 | 2022-04-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Airborne pressurization energy storage hydraulic system and method capable of converting electric energy and hydraulic energy |
| CN114278627B (en) * | 2021-12-23 | 2023-09-22 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Onboard supercharging energy storage hydraulic system and method capable of converting electric energy and hydraulic energy |
| CN117072378A (en) * | 2023-08-28 | 2023-11-17 | 杭州辚萧科技有限公司 | Energy-storage wind power generation device |
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