CN205117615U - Compact wind generating set's improvement structure - Google Patents
Compact wind generating set's improvement structure Download PDFInfo
- Publication number
- CN205117615U CN205117615U CN201520807826.9U CN201520807826U CN205117615U CN 205117615 U CN205117615 U CN 205117615U CN 201520807826 U CN201520807826 U CN 201520807826U CN 205117615 U CN205117615 U CN 205117615U
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- Prior art keywords
- gear
- box
- generator
- shell
- 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 utility model discloses a compact wind generating set's improvement structure, including at least one rotor blade, wheel hub, gear box, generator, drive line shell, driftage subassembly, cabin seat, rotor blade is connected with wheel hub through becoming the oar bearing, wheel hub is through the front end housing of wind wheel locking dish and gear box, circles in the rotor bearing of gear box with bolted connection, front end flange, rotor bearing and the drive line shell of gear box are arranged between wheel hub and cabin seat, are designed into load transmission parts to via flange bolt interconnect, gear box and engine configuration are in the inside of drive line shell, the drive line shell by bolted connection to the seat of cabin, the cabin seat is connected with wind generating set pylon together through the driftage bearing of driftage subassembly. The utility model discloses a structure is very compact, light in weight and low -cost.
Description
Technical field
The utility model relates to the technical field of wind-power electricity generation, refers in particular to a kind of modified node method of compact type wind power generating set.
Background technique
Known in the industry, along with the development of wind generating technology, wind power generating set single-machine capacity constantly increases, and then its boundary dimension also constantly increases, and makes its production, transport and installation cost more and more higher.In Novel wind generating set structure design, its trend adopts compacter and lighter unit.Conventional wind power generator group structure, gear-box and generator are all arranged in after bearing as the individual components on mainframe, so this mainframe is just with the function from rotor bearing, rotor load being passed to pylon, the load on bearing just must be introduced pylon from bearing bolt connecting surface via mainframe.And be do not make the structure of mainframe conflict mutually with gear-box and generator, this just causes main frame structure to need in the region of rotor, having big uncork, for assembling gear case.From the angle of Strength and Dformation, these unenclosed constructions have very large shortcoming, because therefore each parts will bear very large additional stress.And these structures have too many parts, because the function of these parts is different from dynamic changes process.Therefore, the development goal of present design designs compacter, more light weight and the lower wind power generating set of cost, and transmission system shell is double does load transmitting components.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of modified node method of compact type wind power generating set is provided, realize a kind of closely, the lightweight and general structure of low cost, such as the front end flange of rotor bearing, gear-box, power train shell are embedded in the force transfering device from rotor to pylon, individual components should be guaranteed simultaneously, particularly gear-box and generator, independently can install and can also be processed independently when maintenance operation.
For achieving the above object, technological scheme provided by the utility model is: a kind of modified node method of compact type wind power generating set, include at least one rotor blade, wheel hub, gear-box, generator, power train shell, Yaw assembly and be built-in with the cabin seat of hydraulic pressure, lubrication, cooling combination system, wherein, described wheel hub is equipped with pitch variable bearings, and described rotor blade is connected with wheel hub by pitch variable bearings, described gear-box adopts two-stage Gear Planet Transmission, its inner integrated double-row conical bearing is as rotor bearing, the inner ring of this rotor bearing is connected with the front cover of gear-box, its outer ring is connected with the front end flange of gear-box and the shell of gear-box, bear all load that blade passes over, the shell of described gear-box is connected by flange bolt with the shell of generator, the front end flange of described gear-box there are inside and outside two circle bolts, inner ring bolt is by the front end flange of gear-box, rotor bearing, shell is connected on the shell of generator, the front end flange of gear-box is connected on power train shell by outer ring bolt, power train shell is by being bolted in cabin seat, described cabin seat is connected by the pylon that the driftage bearing of Yaw assembly is supporting with wind power generating set, described wheel hub through the front cover of wind wheel lock price fixing and gear-box, with being bolted on the inner ring of rotor bearing, the front end flange of described gear-box, rotor bearing and power train shell are arranged between wheel hub and cabin seat, are designed to load transmitting components, and are interconnected via flange bolt, described gear-box and generator arrangements are in power train enclosure, described power train shell is designed to the supporting structure transmitting maximum Static and dynamic rotor load, and the shell of gear-box and generator only bears moment of torsion and the gravity of generator.
The front end flange of described gear-box is provided with wind wheel locking device, coordinates with wind wheel lock price fixing the locked rotor realizing wind power generating set.
The output shaft of described gear-box passes the generator shaft of hollow, be connected with the rotor of generator at generator dorsal part, generator amature is by independently duplex bearing support, connection between gear-box and generator is integrated with high speed shaft brake disc, coordinates realize high speed shaft braking function with the high speed shaft braking device being positioned at cabin seat.
The front end flange of the front end flange of described gear-box, power train shell and cabin seat has the external diameter of same size; Described gear-box is the two-stage planetary gear of driving shaft with coaxial and driven shaft, and has the velocity ratio of 15 to 25, and described generator is disposed in the downstream of two-stage Gear Planet Transmission, has the rated speed of 200 to 400 revs/min.
Described driftage bearing, with internal tooth, is utilized four yaw motors to be driven by yawing reducer and goes off course; Described Yaw assembly also includes off-course brake and yaw brake disc, for providing yaw damping and braking.
Described hydraulic pressure, lubrication, cooling combination system are gear-box, rotor bearing, dynamo bearing provide lubrication, lubricant oil enters gear-box and generator via top pipeline, utilize gear-box and the spray lubrication of generator oil circuit, lubricant oil is pooled to bottom gear-box and generator, in the fuel tank via bottom oil return pipeline hydraulic return, lubrication, cooling combination system; The off-course brake that described hydraulic pressure, lubrication, cooling combination system are the high speed shaft braking device and Yaw assembly that are positioned at cabin seat and the wind wheel locking device be loaded on gear-box front end flange provide hydraulic pressure; Described hydraulic pressure, lubrication, cooling combination system are integrated with generator driven water cooling system, and this system connects two external coolers, and for cooling gear oil and generator cooling-water, external cooler utilizes support installing at cabin seat afterbody; The top of described cabin seat is provided with anemorumbometer support frame, and the front support leg of this support is fixed in cabin seat, and rear supporting leg is fixed on the support of external cooler.
Described generator adopts middling speed magneto alternator, and the shell of generator is identical with the housing diameter of gear-box, and the shell of gear-box and generator only bears rotor torque, does not bear other power and bending load.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, conventional wind power generator group has independently gear-box and generator, and its frame is provided with big uncork for installation gear-box, local can produce high static stress and distortion, has very large shortcoming with regard to structure.This wind power generating set utilizes gearbox-case and cabin seat transmitted load, can not produce high static stress and distortion in local.
2, this wind power generating set obtains the further integration of functional element, compact structure, and volume is little, lightweight, saves with regard to parts.
3, this wind power generating set uses double-row conical bearing, it not only absorbs thrust from rotor and shearing, and only transmit moment of flexure a position of bearings, compare with the supporting structure of gear-box internal bearings with the support of traditional double rotor bearing or a rotor bearing, the use of double-row conical bearing obtains compacter transmission system.
4, the gear-box of this wind power generating set and generator can adopt vertical installation, easy to assembly, easily ensure transmission system accuracy of alignment.
5, together with the gear-box of this wind power generating set is closely attached to generator, can adopt integral type integrated lubrication and cooling system, level of integrated system is high.
6, adopt independent power train shell to transmit complete machine load, the shell of gear-box and generator, not as load transmission element, makes gear-box and generator part stress simply, is conducive to the life-span extending gear-box and generator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the modified node method of compact type wind power generating set described in the utility model.
Fig. 2 is the overall sectional view of the modified node method of compact type wind power generating set described in the utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, the modified node method of the compact type wind power generating set described in the present embodiment, includes at least one rotor blade (not shown in FIG.), wheel hub 1, gear-box 2, generator 3, power train shell 4, Yaw assembly 5 and is built-in with the cabin seat 7 of hydraulic pressure, lubrication, cooling combination system 6.Described wheel hub 1 is equipped with pitch variable bearings 19, and pitch-controlled system is identical with conventional wind power generator group, adopts the electric variable propeller system of internal tooth engagement driving, utilizes pitch motor to drive via variable propeller gearbox.The outer wall of wheel hub 1 and assembly thereof can stand wind, Exposure to Sunlight, drench with rain, and does not need cowling.Described rotor blade is connected with wheel hub 1 by pitch variable bearings 19.Described wheel hub 1 through the front cover 9 of wind wheel lock price fixing 8 and gear-box 2, with being bolted on the inner ring of rotor bearing 11 of gear-box 2; The front end flange 10 of described gear-box 2, rotor bearing 11 and power train shell 4 are arranged between wheel hub 1 and cabin seat 7, are designed to load transmitting components, and are interconnected via flange bolt.Described gear-box 2 and generator 3 are arranged in the inside of power train shell 4.The front end flange 10 of gear-box 2 can install wind wheel locking device 12, coordinate with wind wheel lock price fixing 8 locked rotor realizing wind power generating set.
Described gear-box 2 adopts two-stage Gear Planet Transmission, its inner integrated double-row conical bearing is as rotor bearing 11, the inner ring of this rotor bearing 11 is connected with the front cover 9 of gear-box 2, its outer ring is connected with the front end flange 10 of gear-box 2 and the shell 13 of gear-box 2, bears all load that blade passes over.The shell 13 of described gear-box 2 is connected by flange bolt with the shell 14 of generator 3.The front end flange 10 of described gear-box 2 there are inside and outside two circle bolts, the front end flange 10 of gear-box 2, rotor bearing 11, shell 13 are connected on the shell 14 of generator 3 by inner ring bolt, the front end flange 10 of gear-box 2 is connected on power train shell 4 by outer ring bolt, and power train shell 4 is by being bolted in cabin seat 7.Described cabin seat 7 is connected by the pylon (not shown in FIG.) that the driftage bearing 15 of Yaw assembly 5 is supporting with wind power generating set.Load on blade is applied on wheel hub 1, is passed to the front end flange 10 of gear-box, then pass to cabin seat 7 by power train shell 4 by rotor bearing 11, and then passes to pylon by driftage bearing 15, passes to foundation by pylon.
Described generator 3 adopts middling speed magneto alternator, and the shell 14 of generator 3 is roughly the same with shell 13 diameter of gear-box 2, and the shell of gear-box and generator only bears rotor torque, does not bear other power and bending load.It is inner that gear-box 2 and generator 3 are placed in power train shell 4, wind power generating set axial dimension shortened, more compact structure.
The output shaft of described gear-box 2 passes the generator shaft of hollow, be connected at the rotor of generator dorsal part with generator 3, generator amature is by independently duplex bearing support, connection between gear-box 2 and generator 3 is integrated with high speed shaft brake disc, coordinates realize high speed shaft braking function with the high speed shaft braking device 16 being positioned at cabin seat 7.
Described power train shell 4 is designed to the supporting structure transmitting maximum Static and dynamic rotor load, and the shell of gear-box and generator only bears moment of torsion and the gravity of generator.And rotor bearing 11 is fastened by bolts on the shell 13 of gear-box 2, and is imported into by rotor load in the front end flange 10 of gear-box 2.The front end flange 10 of gear-box 2 imports load into power train shell 4, then is imported in cabin seat 7 by power train shell 4.Cabin seat 7 imports driftage bearing 15 into load again, and driftage bearing 15 imports load into pylon again.As the result of this design, the shell of gear-box and generator not as load transmission element, make gear-box 2 and generator 3 inner body simply stressed, be conducive to the life-span extending 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 external diameter in approximate same size, this layout is just advantageous particularly.This situation can obtain very good power transmission, and without any larger load transfer.This situation that can obtain is: gear-box 2 is two-stage planetary gears of driving shaft with coaxial and driven shaft, and has the velocity ratio of about 15 to 25; Generator 3 is disposed in the downstream of there, and thus has the rated speed of about 200 to 400 revs/min.Cabin seat 7 also has holds anemoclinograph unit, high speed shaft braking device 16, the function of hydraulic pressure, lubrication, cooling combination system 6.
The front end flange 10 of described gear-box 2, power train shell 4 and cabin seat 7 are designed to that can tolerate exposes to the weather drenches with rain, and there is no need for protecting not by weather effect and hold the extra engine room cover of subelement.
Described driftage bearing 15, with internal tooth, is utilized four yaw motors to be driven by yawing reducer and goes off course.Yaw assembly 5 also comprises off-course brake and yaw brake disc, for providing yaw damping and braking.
Be positioned at the hydraulic pressure of cabin seat 7, lubrication, cooling combination system 6 provide tripartite surface function: one is for gear-box, rotor bearing, dynamo bearing provide lubrication, lubricant oil enters gear-box and generator via top pipeline, utilize gear-box and the spray lubrication of generator oil circuit, lubricant oil is pooled to bottom gear-box and generator, in the fuel tank via bottom oil return pipeline hydraulic return, lubrication, cooling combination system; Two is for high speed shaft braking device 16 and off-course brake and wind wheel locking device 12 provide hydraulic pressure; Three is integrated electricity generator constituents, and this system connects two external coolers 17, and for cooling gear oil and generator cooling-water, external cooler 17 utilizes support installing at cabin seat afterbody.The top of cabin seat 7 is provided with anemorumbometer support frame 18, and the front support leg of this support is fixed in cabin seat 7, and rear supporting leg is fixed on the support of external cooler 17.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit practical range of the present utility model with this, therefore the change that all shapes according to the utility model, principle are done, all should be encompassed in protection domain of the present utility model.
Claims (7)
1. the modified node method of a compact type wind power generating set, it is characterized in that: include at least one rotor blade, wheel hub, gear-box, generator, power train shell, Yaw assembly and be built-in with the cabin seat of hydraulic pressure, lubrication, cooling combination system, wherein, described wheel hub is equipped with pitch variable bearings, and described rotor blade is connected with wheel hub by pitch variable bearings, described gear-box adopts two-stage Gear Planet Transmission, its inner integrated double-row conical bearing is as rotor bearing, the inner ring of this rotor bearing is connected with the front cover of gear-box, its outer ring is connected with the front end flange of gear-box and the shell of gear-box, bear all load that blade passes over, the shell of described gear-box is connected by flange bolt with the shell of generator, the front end flange of described gear-box there are inside and outside two circle bolts, inner ring bolt is by the front end flange of gear-box, rotor bearing, shell is connected on the shell of generator, the front end flange of gear-box is connected on power train shell by outer ring bolt, power train shell is by being bolted in cabin seat, described cabin seat is connected by the pylon that the driftage bearing of Yaw assembly is supporting with wind power generating set, described wheel hub through the front cover of wind wheel lock price fixing and gear-box, with being bolted on the inner ring of rotor bearing, the front end flange of described gear-box, rotor bearing and power train shell are arranged between wheel hub and cabin seat, are designed to load transmitting components, and are interconnected via flange bolt, described gear-box and generator arrangements are in power train enclosure, described power train shell is designed to the supporting structure transmitting maximum Static and dynamic rotor load, and the shell of gear-box and generator only bears moment of torsion and the gravity of generator.
2. the modified node method of a kind of compact type wind power generating set according to claim 1, is characterized in that: the front end flange of described gear-box is provided with wind wheel locking device, coordinates with wind wheel lock price fixing the locked rotor realizing wind power generating set.
3. the modified node method of a kind of compact type wind power generating set according to claim 1, it is characterized in that: the output shaft of described gear-box passes the generator shaft of hollow, be connected with the rotor of generator at generator dorsal part, generator amature is by independently duplex bearing support, connection between gear-box and generator is integrated with high speed shaft brake disc, coordinates realize high speed shaft braking function with the high speed shaft braking device being positioned at cabin seat.
4. the modified node method of a kind of compact type wind power generating set according to claim 1, is characterized in that: the front end flange of the front end flange of described gear-box, power train shell and cabin seat has the external diameter of same size; Described gear-box is the two-stage planetary gear of driving shaft with coaxial and driven shaft, and has the velocity ratio of 15 to 25, and described generator is disposed in the downstream of two-stage Gear Planet Transmission, has the rated speed of 200 to 400 revs/min.
5. the modified node method of a kind of compact type wind power generating set according to claim 1, is characterized in that: described driftage bearing, with internal tooth, is utilized four yaw motors to be driven by yawing reducer and goes off course; Described Yaw assembly also includes off-course brake and yaw brake disc, for providing yaw damping and braking.
6. the modified node method of a kind of compact type wind power generating set according to claim 1, it is characterized in that: described hydraulic pressure, lubrication, cooling combination system are gear-box, rotor bearing, dynamo bearing provide lubrication, lubricant oil enters gear-box and generator via top pipeline, utilize gear-box and the spray lubrication of generator oil circuit, lubricant oil is pooled to bottom gear-box and generator, in the fuel tank via bottom oil return pipeline hydraulic return, lubrication, cooling combination system; The off-course brake that described hydraulic pressure, lubrication, cooling combination system are the high speed shaft braking device and Yaw assembly that are positioned at cabin seat and the wind wheel locking device be loaded on gear-box front end flange provide hydraulic pressure; Described hydraulic pressure, lubrication, cooling combination system are integrated with generator driven water cooling system, and this system connects two external coolers, and for cooling gear oil and generator cooling-water, external cooler utilizes support installing at cabin seat afterbody; The top of described cabin seat is provided with anemorumbometer support frame, and the front support leg of this support is fixed in cabin seat, and rear supporting leg is fixed on the support of external cooler.
7. the modified node method of a kind of compact type wind power generating set according to claim 1, it is characterized in that: described generator adopts middling speed magneto alternator, the shell of generator is identical with the housing diameter of gear-box, the shell of gear-box and generator only bears rotor torque, does not bear other power and bending load.
Priority Applications (1)
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CN201520807826.9U CN205117615U (en) | 2015-10-16 | 2015-10-16 | Compact wind generating set's improvement structure |
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CN201520807826.9U CN205117615U (en) | 2015-10-16 | 2015-10-16 | Compact wind generating set's improvement structure |
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CN201520807826.9U Withdrawn - After Issue CN205117615U (en) | 2015-10-16 | 2015-10-16 | Compact wind generating set's improvement structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105240216A (en) * | 2015-10-16 | 2016-01-13 | 广东明阳风电产业集团有限公司 | Improved structure of compact type wind power generating set |
CN110268158A (en) * | 2017-02-03 | 2019-09-20 | 西门子歌美飒可再生能源公司 | Wind turbine with tubular support structure and bearing assembly |
CN112930441A (en) * | 2018-11-01 | 2021-06-08 | 维斯塔斯风力系统有限公司 | Wind turbine with modular main shaft fastening system and rotor locking disk |
-
2015
- 2015-10-16 CN CN201520807826.9U patent/CN205117615U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105240216A (en) * | 2015-10-16 | 2016-01-13 | 广东明阳风电产业集团有限公司 | Improved structure of compact type wind power generating set |
CN105240216B (en) * | 2015-10-16 | 2017-12-05 | 明阳智慧能源集团股份公司 | A kind of improved structure of compact wind power generating set |
CN110268158A (en) * | 2017-02-03 | 2019-09-20 | 西门子歌美飒可再生能源公司 | Wind turbine with tubular support structure and bearing assembly |
CN112930441A (en) * | 2018-11-01 | 2021-06-08 | 维斯塔斯风力系统有限公司 | Wind turbine with modular main shaft fastening system and rotor locking disk |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee after: Ming Yang wisdom Energy Group AG Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee before: Guangdong Mingyang Wind Power Group Co., Ltd. |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20171205 |