CN105240216B - A kind of improved structure of compact wind power generating set - Google Patents
A kind of improved structure of compact wind power generating set Download PDFInfo
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- CN105240216B CN105240216B CN201510676002.7A CN201510676002A CN105240216B CN 105240216 B CN105240216 B CN 105240216B CN 201510676002 A CN201510676002 A CN 201510676002A CN 105240216 B CN105240216 B CN 105240216B
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- gear
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- generating set
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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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Abstract
The invention discloses a kind of improved structure of compact wind power generating set, including at least one rotor blade, wheel hub, gear-box, generator, power train shell, Yaw assembly, cabin seat, rotor blade to be connected by pitch variable bearings with wheel hub;Wheel hub by wind wheel locking disk and gear-box drive end bearing bracket, on the inner ring for the rotor bearing for being bolted to gear-box;Front end flange, rotor bearing and the power train shell of gear-box are arranged between wheel hub and cabin seat, are designed to load transmitting components, and be connected with each other via flange bolt;Gear-box and generator arrangements are in the inside of power train shell;By being bolted in cabin seat, cabin seat is attached power train shell by the yaw of the Yaw assembly pylon supporting with wind power generating set.The present invention structure closely, it is in light weight and inexpensive.
Description
Technical field
The present invention relates to the technical field of wind-power electricity generation, refers in particular to a kind of improvement knot of compact wind power generating set
Structure.
Background technology
Known in the industry, with the continuous development of wind generating technology, wind power generating set single-machine capacity constantly increases, and then
Its appearance and size also constantly increases so that its production, transport and installation cost more and more higher.Novel wind generating set structure
In design, its trend is to use more compact and lighter unit.Conventional wind power generator group structure, gear-box and generator
All it is arranged in as the individual components on mainframe behind bearing, then this mainframe is just carried rotor load from rotor bearing
It is transmitted to the function of pylon, the load on bearing must be just introduced into pylon from bearing bolt connection surface via mainframe.And it is
The structure of mainframe is not set mutually to conflict with gear-box and generator, this just causes main frame structure needs in the region back to rotor
In have big opening, for assembling gear case.From the perspective of intensity and deformation, these unenclosed constructions have very big lack
Point, because therefore each part will bear very big additional stress.Moreover, these structures have too many part, because these parts
Function be different from load transmission.Therefore, the development goal of present design is that more compact, the more light weight of design and cost are lower
Wind power generating set, transmission system shell also serve as load transmitting components.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of improvement knot of compact wind power generating set
Structure, realizes a kind of general structure closely, in light weight and inexpensive, for example, by rotor bearing, gear-box front end flange,
In force transfering device of the power train shell insertion from rotor to pylon, at the same should be ensured that individual components, particularly gear-box and
Generator, can be independently installed and can also be processed independently in maintenance activity.
To achieve the above object, technical scheme provided by the present invention is:A kind of improvement of compact wind power generating set
Structure, include at least one rotor blade, wheel hub, gear-box, generator, power train shell, Yaw assembly and be built-in with liquid
Pressure, lubrication, the cabin seat of cooling integrated system, wherein, pitch variable bearings are housed, the rotor blade is by becoming oar on the wheel hub
Bearing is connected with wheel hub;The gear-box uses two-stage Gear Planet Transmission, and it is internally integrated double-row conical bearing as rotor
Bearing, the inner ring of the rotor bearing and the drive end bearing bracket of gear-box connect, the front end flange and gear-box of its outer ring and gear-box
Cage connection, bears all load that blade passes over, and the shell of the gear-box and the shell of generator pass through flange spiral shell
Tether and connect, there are inside and outside two circles bolts on the front end flange of the gear-box, inner ring bolt is by the front end flange of gear-box, armature spindle
Hold, on the shell of cage connection to generator, the front end flange of gear-box is connected on power train shell by outer ring bolt, transmission
Be shell by being bolted in cabin seat, the cabin seat is supporting by the yaw and wind power generating set of Yaw assembly
Pylon be attached;The wheel hub is bolted to rotor bearing by wind wheel locking disk and the drive end bearing bracket of gear-box
On inner ring;Front end flange, rotor bearing and the power train shell of the gear-box are arranged between wheel hub and cabin seat, are designed
It is connected with each other into load transmitting components, and via flange bolt;The gear-box and generator arrangements are in power train enclosure;
The power train shell is designed to transmit maximum static and dynamic rotor load supporting construction, and gear-box and generating
The shell of machine is solely subjected to the moment of torsion and gravity of generator.
Wind wheel locking device is installed on the front end flange of the gear-box, coordinates with wind wheel locking disk and realizes wind-power electricity generation
The locked rotor of unit.
The output shaft of the gear-box passes through hollow generator shaft, is connected in the rotor of generator dorsal part and generator
Connecing, generator amature is supported by independent duplex bearing, and the connection between gear-box and generator is integrated with high speed shaft brake disc, with
High speed shaft brake device in cabin seat, which coordinates, realizes high speed shaft braking function.
The front end flange of the front end flange of the gear-box, power train shell and cabin seat has the external diameter of identical size;
The gear-box is the two-stage planetary gear with coaxial driving shaft and driven shaft, and has 15 to 25 gearratio,
The generator is disposed in the downstream of two-stage Gear Planet Transmission, has 200 to 400 revs/min of rated speed.
The yaw carries internal tooth, is gone off course using four yaw motors by yawing reducer driving;It is described
Yaw assembly also includes off-course brake and yaw brake disc, for providing yaw damping and braking.
The hydraulic pressure, lubrication, cooling integrated system are gear-box, rotor bearing, dynamo bearing provide lubrication, lubricating oil
Enter gear-box and generator via top pipeline, using gear-box and generator oil circuit spray lubrication, lubricating oil collects
To gear-box and generating motor spindle, via bottom oil return pipeline hydraulic return, lubrication, cool down in the fuel tank of integrated system;It is described
Hydraulic pressure, lubrication, cooling integrated system in cabin seat high speed shaft brake device and Yaw assembly off-course brake and
Hydraulic pressure is provided loaded on the wind wheel locking device on gear-box front end flange;The hydraulic pressure, lubrication, cooling integrated system integrate
There is generator driven water cooling system, this system connects two external coolers, external cold for cooling gear oil and generator cooling-water
But device is arranged on cabin seat afterbody using support;Anemorumbometer support frame is installed at the top of the cabin seat, before the support
Leg is fixed in cabin seat, and rear leg is fixed on the support of external cooler.
The generator uses middling speed magneto alternator, and the shell of generator is identical with the housing diameter of gear-box,
The shell of gear-box and generator is solely subjected to rotor torque, is not subject to other power and bending load.
The present invention compared with prior art, has the following advantages that and beneficial effect:
1st, conventional wind power generator group has independent a gear-box and generator, be provided with its frame big opening with
In installation gear-box, high stress and deformation can be locally produced, there is very big shortcoming for structure.This wind power generating set utilizes
Gearbox-case and cabin seat transmit load, will not locally produce high stress and deformation.
2nd, this wind power generating set obtains the further integration of function element, and compact-sized, small volume is in light weight, just
Saved for part.
3rd, this wind power generating set uses double-row conical bearing, and it not only absorbs thrust and shearing from rotor,
And only transmit moment of flexure, support or a rotor bearing and gear-box with traditional birotor bearing a position of bearings
The supporting construction of internal bearings is compared, and the use of double-row conical bearing obtains greater compactness of transmission system.
4th, the gear-box of this wind power generating set and generator can use vertical installation, easy to assembly, be easily guaranteed that transmission
System alignment precision.
5th, the gear-box of this wind power generating set and generator are closely attached to together, can use integral type integrated lubrication
And cooling system, level of integrated system are high.
6th, complete machine load is transmitted using single power train shell, the shell of gear-box and generator is not as load transmission
Element so that gear-box and generator part stress are simple, are advantageous to extend the life-span of gear-box and generator.
Brief description of the drawings
Fig. 1 is the structural representation of the improved structure of compact wind power generating set of the present invention.
Fig. 2 is the entirety sectional view of the improved structure of compact wind power generating set of the present invention.
Embodiment
With reference to specific embodiment, the invention will be further described.
As depicted in figs. 1 and 2, the improved structure of the compact wind power generating set described in the present embodiment, includes at least
One rotor blade (being not drawn into figure), wheel hub 1, gear-box 2, generator 3, power train shell 4, Yaw assembly 5 and it is built-in with
Hydraulic pressure, lubrication, the cabin seat 7 for cooling down integrated system 6.Pitch variable bearings 19, pitch-controlled system and traditional wind are housed on the wheel hub 1
Power generator group is identical, using the electric variable propeller system of internal tooth engaged transmission, is carried out using pitch motor via variable propeller gearbox
Driving.The outer wall of wheel hub 1 and its component can be subjected to wind, Exposure to Sunlight, drench with rain, it is not necessary to radome fairing.The rotor blade passes through
Pitch variable bearings 19 are connected with wheel hub 1.The wheel hub 1 is bolted to by wind wheel locking disk 8 and the drive end bearing bracket 9 of gear-box 2
On the inner ring of the rotor bearing 11 of gear-box 2;Front end flange 10, rotor bearing 11 and the cloth of power train shell 4 of the gear-box 2
Put between wheel hub 1 and cabin seat 7, be designed to load transmitting components, and be connected with each other via flange bolt.The gear
Case 2 and generator 3 are arranged in the inside of power train shell 4.Wind wheel locking device can be installed on the front end flange 10 of gear-box 2
12, the locked rotor for realizing wind power generating set is coordinated with wind wheel locking disk 8.
The gear-box 2 uses two-stage Gear Planet Transmission, and it is internally integrated double-row conical bearing as rotor bearing 11,
The inner ring of the rotor bearing 11 is connected with the drive end bearing bracket 9 of gear-box 2, its outer ring and the front end flange 10 and gear-box 2 of gear-box 2
Shell 13 connect, bear all load that blade passes over.The shell 13 of the gear-box 2 and the shell 14 of generator 3
Connected by flange bolt.There is inside and outside two circles bolt on the front end flange 10 of the gear-box 2, inner ring bolt is by gear-box 2
Front end flange 10, rotor bearing 11, shell 13 are connected on the shell 14 of generator 3, and outer ring bolt is by the preceding hold-carrying of gear-box 2
Orchid 10 is connected on power train shell 4, and power train shell 4 is by being bolted in cabin seat 7.The cabin seat 7 passes through driftage
The pylon (being not drawn into figure) that the yaw 15 of component 5 is supporting with wind power generating set is attached.Load on blade is made
Use on wheel hub 1, the front end flange 10 of gear-box is passed to by rotor bearing 11, then cabin is passed to by power train shell 4
Seat 7, and then pylon is passed to by yaw 15, foundation is passed to by pylon.
The generator 3 uses middling speed magneto alternator, and the shell 14 of generator 3 and the shell 13 of gear-box 2 are straight
Footpath is roughly the same, and the shell of gear-box and generator is solely subjected to rotor torque, is not subject to other power and bending load.Gear-box 2
It is placed in generator 3 inside power train shell 4 so that wind power generating set axial dimension shortens, more compact structure.
The output shaft of the gear-box 2 passes through hollow generator shaft, is carried out in the rotor of generator dorsal part and generator 3
Connection, generator amature are supported by independent duplex bearing, and the connection between gear-box 2 and generator 3 is integrated with high speed shaft braking
Disk, coordinate with the high speed shaft brake device 16 in cabin seat 7 and realize high speed shaft braking function.
The power train shell 4 is designed to transmit maximum static and dynamic rotor load supporting construction, and tooth
The shell of roller box and generator is solely subjected to the moment of torsion and gravity of generator.Moreover, rotor bearing 11 is fastened by bolts in gear-box 2
Shell 13 on, and rotor load is passed in the front end flange 10 of gear-box 2.The front end flange 10 of gear-box 2 is by load
Incoming power train shell 4, then be passed to by power train shell 4 in cabin seat 7.Load is passed to yaw 15 by cabin seat 7 again, driftage
Load is passed to pylon by bearing 15 again.As the result of this design, the shell of gear-box and generator is not as load transmission
Element so that gear-box 2 and the inner body stress of generator 3 are simple, are advantageous to extend the life-span of gear-box 2 and generator 3.
If the front end flange of the front end flange 10 of gear-box 2, power train shell 4 and cabin seat 7 has roughly the same chi
Very little external diameter, this arrangement are particularly advantageous.This situation can obtain very good power transmission, without any bigger load
Lotus shifts.This situation that can be obtained is:Gear-box 2 is the two-stage planetary gear with coaxial driving shaft and driven shaft, and
And with about 15 to 25 gearratio;Generator 3 is disposed in the downstream of there, and thus have about 200 to 400
Rev/min rated speed.Cabin seat 7, which also has, accommodates anemoclinograph unit, high speed shaft brake device 16, hydraulic pressure, lubrication, cold
But the function of integrated system 6.
Front end flange 10, power train shell 4 and the cabin seat 7 of the gear-box 2 are designed to tolerance and exposed to the weather
Drench with rain, it is not necessary to influenceed for being protected from weather and accommodate the extra engine room cover of subelement.
The yaw 15 carries internal tooth, is gone off course using four yaw motors by yawing reducer driving.Partially
Boat component 5 also includes off-course brake and yaw brake disc, for providing yaw damping and braking.
Hydraulic pressure, lubrication, cooling integrated system 6 in cabin seat 7 provide three aspect functions:First, for gear-box, turn
Sub- bearing, dynamo bearing provide lubrication, and lubricating oil enters gear-box and generator via top pipeline, utilizes gear-box and hair
Motor internal oil circuit spray lubrication, lubricating oil are pooled to gear-box and generating motor spindle, via bottom oil return pipeline hydraulic return,
Lubrication, cool down in the fuel tank of integrated system;Second, it is high speed shaft brake device 16 and off-course brake and wind wheel locking device 12
Hydraulic pressure is provided;Third, integrated electricity generator water-cooling system, this system connects two external coolers 17, for cooling gear oil
And generator cooling-water, external cooler 17 are arranged on cabin seat afterbody using support.The top of cabin seat 7 is provided with wind speed and wind
To instrument support 18, the front support leg of the support is fixed in cabin seat 7, and rear leg is fixed on the support of external cooler 17.
Examples of implementation described above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
Enclose, therefore the change that all shape, principles according to the present invention are made, it all should cover within the scope of the present invention.
Claims (7)
- A kind of 1. improved structure of compact wind power generating set, it is characterised in that:Include at least one rotor blade, wheel Hub, gear-box, generator, power train shell, Yaw assembly and be built-in with hydraulic pressure, lubrication, cool down integrated system cabin seat, its In, pitch variable bearings are housed, the rotor blade is connected by pitch variable bearings with wheel hub on the wheel hub;The gear-box uses two Level Gear Planet Transmission, it is internally integrated double-row conical bearing as rotor bearing, the inner ring of the rotor bearing and gear-box Drive end bearing bracket connects, the cage connection of the front end flange and gear-box of its outer ring and gear-box, and that bears that blade passes over is all Load, the shell of the gear-box and the shell of generator are connected by flange bolt, are had on the front end flange of the gear-box Inside and outside two circles bolt, inner ring bolt is by the front end flange, rotor bearing, cage connection of gear-box to the shell of generator, outside The front end flange of gear-box is connected on power train shell by circle bolt, and power train shell is by being bolted in cabin seat, institute Cabin seat is stated to be attached by the yaw of the Yaw assembly pylon supporting with wind power generating set;The wheel hub passes through wind The drive end bearing bracket of locking disk and gear-box is taken turns, is bolted on the inner ring of rotor bearing;The front end flange of the gear-box, turn Sub- bearing and power train shell are arranged between wheel hub and cabin seat, are designed to load transmitting components, and via flange bolt It is connected with each other;The gear-box and generator arrangements are in power train enclosure;The power train shell is designed to pass Pass maximum static and dynamic rotor load supporting construction, and the shell of gear-box and generator be solely subjected to generator moment of torsion and Gravity.
- A kind of 2. improved structure of compact wind power generating set according to claim 1, it is characterised in that:The gear Wind wheel locking device is installed on the front end flange of case, the locked rotor for realizing wind power generating set is coordinated with wind wheel locking disk.
- A kind of 3. improved structure of compact wind power generating set according to claim 1, it is characterised in that:The gear The output shaft of case passes through hollow generator shaft, is attached in the rotor of generator dorsal part and generator, generator amature by Independent duplex bearing support, the connection between gear-box and generator are integrated with high speed shaft brake disc, and in cabin seat High speed shaft brake device, which coordinates, realizes high speed shaft braking function.
- A kind of 4. improved structure of compact wind power generating set according to claim 1, it is characterised in that:The gear The front end flange of the front end flange of case, power train shell and cabin seat has the external diameter of identical size;The gear-box is to carry Coaxial driving shaft and the two-stage planetary gear of driven shaft, and be arranged with 15 to 25 gearratio, the generator In the downstream of two-stage Gear Planet Transmission, there is 200 revs/min to 400 revs/min of rated speed.
- A kind of 5. improved structure of compact wind power generating set according to claim 1, it is characterised in that:The driftage Bearing carries internal tooth, is gone off course using four yaw motors by yawing reducer driving;The Yaw assembly also includes Off-course brake and yaw brake disc, for providing yaw damping and braking.
- A kind of 6. improved structure of compact wind power generating set according to claim 1, it is characterised in that:The liquid Pressure, lubrication, cooling integrated system are gear-box, rotor bearing, dynamo bearing provide lubrication, and lubricating oil enters via top pipeline Enter gear-box and generator, using gear-box and generator oil circuit spray lubrication, lubricating oil is pooled to gear-box and generating Motor spindle, via bottom oil return pipeline hydraulic return, lubrication, cool down in the fuel tank of integrated system;The hydraulic pressure, lubrication, cooling Integrated system is for the high speed shaft brake device in cabin seat and the off-course brake of Yaw assembly and loaded on gear-box front end Wind wheel locking device on flange provides hydraulic pressure;The hydraulic pressure, lubrication, cooling integrated system are integrated with generator water cooling system System, the generator driven water cooling system connect two external coolers, for cooling gear oil and generator cooling-water, external cooler Cabin seat afterbody is arranged on using support;Anemorumbometer support frame is installed at the top of the cabin seat, the front support leg of the support It is fixed in cabin seat, rear leg is fixed on the support of external cooler.
- A kind of 7. improved structure of compact wind power generating set according to claim 1, it is characterised in that:The generating Machine uses middling speed magneto alternator, and the shell of generator is identical with the housing diameter of gear-box, gear-box and generator Shell is solely subjected to rotor torque, is not subject to other power and bending load.
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CN201510676002.7A CN105240216B (en) | 2015-10-16 | 2015-10-16 | A kind of improved structure of compact wind power generating set |
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CN201510676002.7A CN105240216B (en) | 2015-10-16 | 2015-10-16 | A kind of improved structure of compact wind power generating set |
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CN105240216A CN105240216A (en) | 2016-01-13 |
CN105240216B true CN105240216B (en) | 2017-12-05 |
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Families Citing this family (8)
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CN106593780A (en) * | 2016-12-30 | 2017-04-26 | 山东中车风电有限公司 | Gear case and generator integrated design transmission structure |
CN107035621A (en) * | 2017-06-14 | 2017-08-11 | 山东中车风电有限公司 | A kind of half-direct-drive wind driven generator group transmission system |
CN107630953B (en) * | 2017-08-14 | 2020-04-28 | 山东中车风电有限公司 | Coupling structure, transmission system and method for semi-direct drive unit |
CN109519337A (en) * | 2018-12-05 | 2019-03-26 | 许昌许继风电科技有限公司 | A kind of wind power generating set and gear-box |
CN111648920B (en) * | 2020-06-23 | 2022-03-04 | 湘电风能有限公司 | Ultra-compact medium-speed permanent magnet wind generating set |
CN112343769B (en) * | 2020-11-09 | 2021-12-07 | 浙江运达风电股份有限公司 | Automatic hub locking device and locking method thereof |
CN112253390A (en) * | 2020-11-12 | 2021-01-22 | 江苏乃尔风电技术开发有限公司 | Wind driven generator and control device thereof |
CN112761907B (en) * | 2021-02-02 | 2022-09-16 | 湘电风能有限公司 | Compact type generator set |
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CN101363407A (en) * | 2008-09-12 | 2009-02-11 | 三一电气有限责任公司 | Wind generating set |
CN102536685A (en) * | 2011-12-27 | 2012-07-04 | 国电联合动力技术(连云港)有限公司 | Transmission chain device of compact-type wind generating set |
CN205117615U (en) * | 2015-10-16 | 2016-03-30 | 广东明阳风电产业集团有限公司 | Compact wind generating set's improvement structure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE112009001193A5 (en) * | 2008-05-20 | 2011-05-12 | Urs Giger | Wind turbine, gearbox for a wind turbine and Flexpin |
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- 2015-10-16 CN CN201510676002.7A patent/CN105240216B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101363407A (en) * | 2008-09-12 | 2009-02-11 | 三一电气有限责任公司 | Wind generating set |
CN102536685A (en) * | 2011-12-27 | 2012-07-04 | 国电联合动力技术(连云港)有限公司 | Transmission chain device of compact-type wind generating set |
CN205117615U (en) * | 2015-10-16 | 2016-03-30 | 广东明阳风电产业集团有限公司 | Compact wind generating set's improvement structure |
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