CN201106532Y - Transmission system of wind generator set - Google Patents
Transmission system of wind generator set Download PDFInfo
- Publication number
- CN201106532Y CN201106532Y CNU2007201135618U CN200720113561U CN201106532Y CN 201106532 Y CN201106532 Y CN 201106532Y CN U2007201135618 U CNU2007201135618 U CN U2007201135618U CN 200720113561 U CN200720113561 U CN 200720113561U CN 201106532 Y CN201106532 Y CN 201106532Y
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- CN
- China
- Prior art keywords
- gear
- shaft
- box
- transmission system
- lower velocity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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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- Wind Motors (AREA)
Abstract
The utility model relates to a drive system of a wind generating set. The drive system is positioned in an engine room of wind generating equipment, the transmission system comprises a low-speed shaft of which front end is fixedly connected with a wheel boss of the wind generating equipment and a gear box, the rear end of the low-speed shaft is connected with an input shaft of the gear box, an output shaft of the gear box is connected with a main shaft of a generator through a shaft joint, and the low-speed shaft and the output shaft of the gear box are arranged at the same side of the gear box. The utility model provides the drive system of a wind powered generator which has shorter engine room size, and longer low-speed shaft, reduces the cost and improves the flexibility of the low-speed shaft.
Description
Affiliated technical field
The utility model belongs to wind power plant, relates 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 utility model provide a kind of cabin size lack, to reduce cost, lower velocity shaft is grown, improve the transmission system of the wind-driven generator of lower velocity shaft flexibility.
The utility model 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 utility model 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.
The beneficial effects of the utility model mainly show: 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 utility model.
Fig. 2 is the structural representation of gear-box of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
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 |
|---|---|---|---|
| CNU2007201135618U CN201106532Y (en) | 2007-08-21 | 2007-08-21 | Transmission system of wind generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201135618U CN201106532Y (en) | 2007-08-21 | 2007-08-21 | Transmission system of wind generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106532Y true CN201106532Y (en) | 2008-08-27 |
Family
ID=39958331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201135618U Expired - Lifetime CN201106532Y (en) | 2007-08-21 | 2007-08-21 | Transmission system of wind generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106532Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279279A (en) * | 2011-06-30 | 2011-12-14 | 东方电气集团东方汽轮机有限公司 | Rotating speed measuring apparatus of blower fan overspeed |
-
2007
- 2007-08-21 CN CNU2007201135618U patent/CN201106532Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279279A (en) * | 2011-06-30 | 2011-12-14 | 东方电气集团东方汽轮机有限公司 | Rotating speed measuring apparatus of blower fan overspeed |
| CN102279279B (en) * | 2011-06-30 | 2013-03-20 | 东方电气集团东方汽轮机有限公司 | Rotating speed measuring apparatus of blower fan overspeed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEIJIANG WINDEY CO., LTD. Free format text: FORMER NAME: ZHEJIANG WINDEY WIND GENERATING ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 310012, 22 floor, West Lake international science and technology building, No. 391 Wen two road, Xihu District, Zhejiang, Hangzhou Patentee after: Zhejiang Windey Wind Power Co., Ltd. Address before: 310012, 22 floor, West Lake international science and technology building, No. 391 Wen two road, Xihu District, Zhejiang, Hangzhou Patentee before: Zhejiang Windey Wind Generating Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080827 |