CN101109369A - Transmission system of wind generator set - Google Patents
Transmission system of wind generator set Download PDFInfo
- Publication number
- CN101109369A CN101109369A CNA2007100709272A CN200710070927A CN101109369A CN 101109369 A CN101109369 A CN 101109369A CN A2007100709272 A CNA2007100709272 A CN A2007100709272A CN 200710070927 A CN200710070927 A CN 200710070927A CN 101109369 A CN101109369 A CN 101109369A
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- Prior art keywords
- gear
- shaft
- box
- transmission system
- lower velocity
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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
A drive system for a wind-driven generator set is provided, which is located in the cabin of the wind-driven generator and comprises a low-speed shaft whose front end is fixedly connected with the hub of the wind-driven generator, and a gear box. The rear end of the low-speed shaft is connected with the input shaft of the gear box. The output shaft of the gear box is connected with the main shaft of the generator through a coupling. The low-speed shaft and the output shaft of the gear box are located at the same side of the gear box. The invention provides a drive system for a wind-driven generator with a short cabin, low cost, a long low-speed shaft, and improved flexibility of the low-speed shaft.
Description
Affiliated technical field
The invention belongs to wind power plant, relate in particular to a kind of transmission system of wind power plant.
Background technique
At present, the wind-driven generator transmission system of China mostly adopts the straight line type arrangement, and lower velocity shaft in the transmission system and high speed shaft lay respectively at the both sides of gear-box, as the disclosed a kind of Gear Planet Transmission wind power generation speed increasing box of Chinese patent ZL03237681.2.This structure makes that the size of cabin on high speed shaft and lower velocity shaft bearing of trend of wind-driven generator is bigger, and increased the cabin total quality, consumptive material is many, the cost height is unfavorable for processing, lifting etc., in addition because cabin length is conditional, the length limited of lower velocity shaft, flexible relatively poor, increased the suffered dynamic load in cabin, be unfavorable for the stressing conditions of lower velocity shaft bearing.
Summary of the invention
The deficiency of, lower velocity shaft flexible difference short for cabin longer dimension, the cost high, low speed axle of the transmission system that overcomes existing wind-driven generator the invention provides that a kind of cabin size lack, is reduced cost, lower velocity shaft is grown, improves the transmission system of the wind-driven generator of lower velocity shaft flexibility.
The present invention is for solving the technological scheme that its technical problem adopts:
A kind of transmission system of wind power generating set, described transmission system is positioned at the cabin of wind power generating set, described transmission system comprises lower velocity shaft, the gear-box that the wheel hub of front end and wind power generating set connects firmly, the rear end of described lower velocity shaft links to each other with the input shaft of gear-box, the output shaft of described gear-box is connected by coupling on the main shaft of generator, and the output shaft of described lower velocity shaft and gear-box is arranged in the homonymy of gear-box.
As preferred a kind of scheme: the output shaft of described lower velocity shaft and gear-box is arranged in parallel.
Further described gearbox input shaft end is suspended on the lower velocity shaft, and the output shaft side of described gear-box is equipped with the gear-box supporting structure, and described gear-box supporting structure is connected on the base in cabin.
Further again, position for regulating tooth roller box and output shaft, described gear-box supporting structure comprises dunnage, back shaft and the threaded adjusting mechanism that moves up and down in order to the control gear case, described dunnage and gear-box are fixedly linked, described back shaft is connected on the dunnage, described back shaft connecting thread controlling mechanism, described threaded adjusting mechanism is installed on the base in cabin.
Further again, described threaded adjusting mechanism comprises bolt, bolt and tighten mechanism down, a described end of going up bolt is connected with back shaft, the other end of last bolt with tighten mechanism and be threaded, the described mechanism of tightening is connected with the threaded one end of following bolt, the other end of described down bolt is by on the hinged base that is installed in the cabin, and the screw thread of the screw thread of last bolt and following bolt is reverse.
Fore bearing, rear bearing are installed on the described lower velocity shaft, and the rear end of described lower velocity shaft is connected with the input shaft of gear-box by expansion set.
Technical conceive of the present invention is: the transmission system of wind power generating set, comprise lower velocity shaft, fore bearing, rear bearing, expansion set, gear-box, described transmission system is positioned at the cabin of wind power generating set, the front end of described lower velocity shaft and the wheel hub of wind power generating set connect firmly, the rear end of lower velocity shaft links to each other with the input shaft of gear-box by expansion set, fore bearing and rear bearing are installed on the lower velocity shaft, the output shaft of described gear-box is connected on the generator by coupling, and the output shaft of the lower velocity shaft gear-box of described transmission system is arranged in the homonymy of gear-box.
Described gear-box adopts suspension type to install, and described gearbox input shaft end is suspended on the lower velocity shaft, and the output shaft side of described gear-box is equipped with the gear-box supporting structure, and described gear-box supporting structure is connected on the base in cabin.
Described gear-box supporting structure comprises dunnage, back shaft and threaded adjusting mechanism, and described dunnage links to each other with gear-box, and described back shaft is connected on the dunnage.When rotating threaded adjusting mechanism, will make two bolts near or away from, thereby reach the purpose of regulating height, make the output shaft and the coupling centering of gear-box.
Beneficial effect of the present invention mainly shows: 1, because the lower velocity shaft of transmission system and the output shaft of gear-box are positioned at the homonymy that is positioned at gear-box abreast, therefore make structure compact, reduced the size of cabin on the transmission system bearing of trend, reduced the quality in cabin, cost is low, is beneficial to processing and lifting; 2, because lower velocity shaft is longer, so it is better flexible, helps the load-optimised of wind-driven generator; 3, gear-box adopts the suspension type mounting type, makes the direct centering of input shaft of lower velocity shaft and gear-box, and the centering of output shaft and gear-box has been adopted threaded adjusting mechanism, so has reduced the requirement of coupling and gearbox output shaft centering.
Description of drawings
Fig. 1 is the structural drawing of transmission system of the present invention.
Fig. 2 is the structural representation of gear-box of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
With reference to Fig. 1, Fig. 2, a kind of transmission system of wind power generating set, described transmission system is positioned at the cabin 10 of wind power generating set, described transmission system comprises lower velocity shaft 4, the gear-box 6 that the wheel hub 1 of front end and wind power generating set connects firmly, the rear end of described lower velocity shaft 4 links to each other with the input shaft 7-2 of gear-box, the output shaft 7-1 of described gear-box is connected by coupling 8 on the main shaft of generator 9, and the output shaft 7-1 of described lower velocity shaft 4 and gear-box is arranged in the homonymy of gear-box 6.
Described lower velocity shaft 4 is arranged in parallel with the output shaft 7-1 of gear-box.
Described gearbox input shaft 7-2 end is suspended on the lower velocity shaft 4, and the output shaft side of described gear-box is equipped with gear-box supporting structure 11, and described gear-box supporting structure 11 is connected on the base in cabin 10.
Described gear-box supporting structure comprises dunnage 12, back shaft 13 and the threaded adjusting mechanism 19 that moves up and down in order to the control gear case, described dunnage 12 is fixedly linked with gear-box 6, described back shaft 13 is connected on the dunnage 12, described back shaft 13 connecting thread controlling mechanisms 19, described threaded adjusting mechanism 19 is installed on the base in cabin 10.
Described threaded adjusting mechanism 19 comprises bolt 14, bolt 16 and tighten mechanism 15 down, a described end of going up bolt 14 is connected with back shaft 13, the other end of last bolt 14 with tighten mechanism 15 and be threaded, the described mechanism 15 of tightening is connected with the threaded one end of following bolt 16, the described the other end of bolt 16 down is installed on the base in cabin 10 by hinged 17, and the screw thread of last bolt 14 is reverse with the screw thread of following bolt 16.
Fore bearing 3-1, rear bearing 3-2 are installed on the described lower velocity shaft 4, and the rear end of described lower velocity shaft 4 is connected with the input shaft 7-2 of gear-box by expansion set 5.
As shown in Figure 1, the wind power generating set of present embodiment comprises, comprise wheel hub 1, blade group 2, transmission system, coupling 8, generator 9, described transmission system comprises lower velocity shaft 4, fore bearing 3-1, rear bearing 3-2, expansion set 5, gear-box 6, gear-box comprises input shaft 7-2 and output shaft 7-1, and described transmission system and coupling 8, generator 9 are positioned at the inside in cabin 10.
Described blade group 2 comprises 3 blades, 3 blades are that the center evenly distributes and is installed on the wheel hub 1 with the center line of wheel hub 1, the front end of described lower velocity shaft 4 stretches out cabin 10 and connects firmly by flange with wheel hub 1, the rear end of lower velocity shaft 4 links to each other by the input shaft of expansion set with gear-box 6, and the output shaft of gear-box 6 links together by coupling 8 and generator.Fore bearing 3-1, rear bearing 3-2 are installed on the described lower velocity shaft 4.
The output shaft 7-1 of described lower velocity shaft 4 and gear-box is positioned at the same side of gear-box 6, and the two is arranged in parallel.
Gear-box 6 adopts suspension type to install: gear-box 6 input shaft ends are suspended on the lower velocity shaft 4, and the output shaft side of gear-box 6 is equipped with gear-box supporting structure 11, and described gear-box supporting structure 11 is connected on the base in cabin 10.
As shown in Figure 2, described gear-box supporting structure 11 comprises dunnage 12, back shaft 13 and threaded adjusting mechanism 19, described dunnage 12 is fixed on the gear-box 6 by clamping bolt 18, described dunnage 12 is provided with mounting hole, described back shaft 13 passes mounting hole and is connected on the dunnage 11, described threaded adjusting mechanism 19 comprises bolt 14, bolt 16 and one tighten mechanism 15 down, one end of described threaded adjusting mechanism 19 is connected with back shaft 13, and the other end is connected with the base in cabin 10.Last bolt 14 is reverse with the screw thread of play bolt 16, when mechanism 15 is tightened in rotation, will make two bolts near or away from, regulate purpose highly thereby reach, make the output shaft 7-1 and coupling 8 centerings of gear-box.
Claims (6)
1. the transmission system of a wind power generating set, described transmission system is positioned at the cabin of wind power generating set, described transmission system comprises lower velocity shaft, the gear-box that the wheel hub of front end and wind power generating set connects firmly, the rear end of described lower velocity shaft links to each other with the input shaft of gear-box, the output shaft of described gear-box is connected on the main shaft of generator by coupling, it is characterized in that: the output shaft of described lower velocity shaft and gear-box is arranged in the homonymy of gear-box.
2. the transmission system of wind power generating set as claimed in claim 1, it is characterized in that: the output shaft of described lower velocity shaft and gear-box is arranged in parallel.
3. the transmission system of wind power generating set as claimed in claim 1 or 2, it is characterized in that: described gearbox input shaft end is suspended on the lower velocity shaft, the output shaft side of described gear-box is equipped with the gear-box supporting structure, and described gear-box supporting structure is connected on the base in cabin.
4. the transmission system of wind power generating set as claimed in claim 3, it is characterized in that: described gear-box supporting structure comprises dunnage, back shaft and the threaded adjusting mechanism that moves up and down in order to the control gear case, described dunnage and gear-box are fixedly linked, described back shaft is connected on the dunnage, described back shaft connecting thread controlling mechanism, described threaded adjusting mechanism is installed on the base in cabin.
5. the transmission system of wind power generating set as claimed in claim 4, it is characterized in that: described threaded adjusting mechanism comprises bolt, bolt and tighten mechanism down, a described end of going up bolt is connected with back shaft, the other end of last bolt with tighten mechanism and be threaded, the described mechanism of tightening is connected with the threaded one end of following bolt, the other end of described down bolt is by on the hinged base that is installed in the cabin, and the screw thread of the screw thread of last bolt and following bolt is reverse.
6. the transmission system of wind power generating set as claimed in claim 1 or 2, it is characterized in that: fore bearing, rear bearing are installed on the described lower velocity shaft, and the rear end of described lower velocity shaft is connected with the input shaft of gear-box by expansion set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100709272A CN101109369A (en) | 2007-08-21 | 2007-08-21 | Transmission system of wind generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100709272A CN101109369A (en) | 2007-08-21 | 2007-08-21 | Transmission system of wind generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101109369A true CN101109369A (en) | 2008-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100709272A Pending CN101109369A (en) | 2007-08-21 | 2007-08-21 | Transmission system of wind generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101109369A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305195A (en) * | 2011-06-27 | 2012-01-04 | 国电联合动力技术(连云港)有限公司 | Transmission chain device of wind-driven generator |
| CN103883471A (en) * | 2012-12-20 | 2014-06-25 | 华锐风电科技(集团)股份有限公司 | Transmission device and wind-driven power generating set |
| CN103998692A (en) * | 2012-02-03 | 2014-08-20 | 瓦卢瑞克德国有限公司 | Foundation structure, which can be installed with a low level of noise, for an offshore plant, in particular an offshore wind energy plant, and assembly method therefor |
| CN105909462A (en) * | 2016-06-15 | 2016-08-31 | 卢堃 | Large wind turbine generator system with double wind wheels |
-
2007
- 2007-08-21 CN CNA2007100709272A patent/CN101109369A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305195A (en) * | 2011-06-27 | 2012-01-04 | 国电联合动力技术(连云港)有限公司 | Transmission chain device of wind-driven generator |
| CN103998692A (en) * | 2012-02-03 | 2014-08-20 | 瓦卢瑞克德国有限公司 | Foundation structure, which can be installed with a low level of noise, for an offshore plant, in particular an offshore wind energy plant, and assembly method therefor |
| CN103883471A (en) * | 2012-12-20 | 2014-06-25 | 华锐风电科技(集团)股份有限公司 | Transmission device and wind-driven power generating set |
| CN103883471B (en) * | 2012-12-20 | 2016-12-28 | 华锐风电科技(集团)股份有限公司 | Actuating device and wind power generating set |
| CN105909462A (en) * | 2016-06-15 | 2016-08-31 | 卢堃 | Large wind turbine generator system with double wind wheels |
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