CN1587682A - Variable propeller gearbox of wind power generator - Google Patents
Variable propeller gearbox of wind power generator Download PDFInfo
- Publication number
- CN1587682A CN1587682A CNA2004100649314A CN200410064931A CN1587682A CN 1587682 A CN1587682 A CN 1587682A CN A2004100649314 A CNA2004100649314 A CN A2004100649314A CN 200410064931 A CN200410064931 A CN 200410064931A CN 1587682 A CN1587682 A CN 1587682A
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- CN
- China
- Prior art keywords
- output gear
- gear
- planet
- level
- rear box
- 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.)
- Granted
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
Abstract
The invention relates to a kind of oar-exchanging bear box of wind-driven generator. The box body includes flange, gear circle, and the back box body. Between the flange and the back box body there are the first-grade and the second-grade inner gear cluster, and the third-grade inner gear circle, input shaft, planet frames and solar wheels at all levels, output gear shaft axis, the input shaft is connected to the first-grade solar wheel, the planet frame at all levels are connected to the next grade solar wheel, the third-grade planet frame is connected with the output gear shaft, the output gear shaft is fixed on the back box body by the bearing. Each-grade planet frame has planet wheel, between the input shaft and flange, between output gear shaft and back box body, there is oil-sealing. Advantages of the invention: take the first and second inner gear circle cluster as a component and make the structure compact; take the inner gear circle cluster and the inner gear circles at all levels, as a part of the box, reduce the weight, and it is easy to process, convenient to dismantle and fix. The planet wheel usnig needle bearing, can increase the bearng capacity, and reduce installing room.
Description
Technical field
The present invention relates to gear-box, especially a kind of variable propeller gearbox of wind power generator.
Background technique
Utilize wind-power electricity generation to compare with traditional thermal power generation, advantage with generating environmentally safe, compare with hydroelectric power, have that the capital construction cost is low, floor space is little, maintaining is advantage easily, for large-scale hydroelectric power plant, also there is certain potential safety hazard in storage reservoir to the downstream easily.In wind-driven generator, variable propeller gearbox is to regulate the special gear box of wind speed to the wind-driven generator influence in the wind-driven generator, because variable propeller gearbox compact structure, reliability requires high, the wind-driven generator variable propeller gearbox of China's use at present mainly solves by import, the easy leakage of oil of output shaft during this Yaw gearbox uses.
Summary of the invention
The objective of the invention is to: at reduction gear box, especially wind-driven generator variable propeller gearbox compact structure, reliability requires high, the practical problem of the easy leakage of oil of output shaft during imported product uses, provide a kind of new variable propeller gearbox of wind power generator, to solve output shaft leakage of oil problem.
The object of the present invention is achieved like this: a kind of variable propeller gearbox of wind power generator, comprise casing, sun gear, planet wheel, planet carrier, output gear shaft, it is characterized in that: casing comprises flange, gear ring and rear box, be provided with the first secondary ring gear group and third level ring gear between flange and the rear box, flange, the first secondary ring gear group, third level ring gear are connected by bolt with rear box; Input shaft, planet carrier at different levels, sun gear at different levels, output gear shaft concentric, input shaft is connected by spline with first order sun gear, first order planet carrier is connected with second level sun gear by spline, second level planet carrier is connected with third level sun gear by spline, third level planet carrier is connected with output gear shaft by spline, on rear box, output gear shaft passes rear box to output gear shaft by Bearing Installation, and its end is provided with output gear; Every grade of planet carrier periphery evenly is provided with three planet wheels, and planet wheels at different levels often mesh with corresponding ring gear and sun gear at the same level respectively; Between input shaft and the flange, between output gear shaft and the rear box oil sealing is housed all.
The invention has the advantages that: the first secondary ring gear is designed to a part, make compact structure,, not only alleviated the overall weight of gear-box simultaneously with the constituent element of the first secondary ring gear group and third level ring gear double as casing, and processing easily, easy accessibility; Planet wheel adopts bearing, especially adopt needle bearing to install after, both increased bearing capacity, reduced installing space again.Output terminal adopts two seals, has overcome the leakage of oil problem.
Description of drawings
Fig. 1 is a kind of example structure schematic representation that the present invention relates to.
Among the figure: 1, flange, 2, rear box, 3, the first secondary ring gear group, 4, third level ring gear, 5, first order planet carrier, 6, first order planet wheel, 7, first order sun gear, 8, second level planet carrier, 9, second level planet wheel, 10, second level sun gear, 11, third level planet carrier, 12, third level planet wheel, 13, third level sun gear, 14, input shaft, 15, output gear shaft, 16, oil sealing, 17, bearing, 18, bearing pin.
Embodiment
Accompanying drawing is nonrestrictive to disclose the structural representation of a kind of specific embodiment that the design's invention relates to, and invention is further described to the design below in conjunction with accompanying drawing.
As seen from Figure 1, embodiments of the invention comprise flange 1, rear box 2, be provided with the first secondary ring gear group 3, third level ring gear 4 between flange 1 and the rear box 2, simultaneously the first secondary ring gear group 3, third level ring gear 4 be again as the casing of gear-box, and flange 1, the first secondary ring gear group 3, third level ring gear 4 and rear box 2 are connected by bolt; Input shaft 14, planet carrier at different levels, sun gear at different levels, output gear shaft 15 concentrics, input shaft 14 is connected with first order sun gear 7, first order planet carrier 5 is connected with second level sun gear 10 by spline, second level planet carrier 8 is connected with third level sun gear 13 by spline, third level planet carrier 11 is connected with output gear shaft 15 by spline, output gear shaft 15 is installed on the rear box 2 by bearing 17, and output gear shaft 15 passes rear box 2, and its end is provided with output gear; Every grade of planet carrier periphery evenly is provided with three planet wheels, and planet wheels at different levels often mesh with corresponding ring gear and sun gear at the same level respectively; Between between input shaft 14 and the flange 1, on output gear shaft 15 and the rear box 2 oil sealing 16 is housed all.In the present embodiment, planet wheels at different levels are installed in respectively on three bearing pins 18 that corresponding planet carrier periphery evenly is provided with by bearing 17, and the bearing 17 that is used to install planet wheel is needle bearing; On output gear shaft 15 and the rear box 2 twice oil sealing 16 is housed, wherein one oil sealing 16 comprises that two oil sealings arranged side by side place between two bearings 17, and another oil sealing 16 places between bearing 17 and the output gear; The oil sealing of installing on input shaft 14 and flange 1 and output gear shaft 15 and the rear box 2 16 all is skeleton oil sealings.
Before the use, variable propeller gearbox of wind power generator is placed the root of every blade, is furnished with actuating motor on its input shaft 14, the output gear on its output gear shaft 15 and the ring gear of propeller shank often mesh, in the use, when wind-force changed, control circuit will start all synchronously and be installed in actuating motor on the variable propeller gearbox of wind power generator, order about the angle of output gear change blade, make wind-driven generator adapt to the wind-force that changes.The working procedure of variable propeller gearbox of wind power generator is: actuating motor drives first order sun gear 7 by input shaft 14 and rotates, because first order planet wheel 6 often meshes with first order sun gear 7 and first order ring gear simultaneously, make first order planet wheel 6 around 7 operations of first order sun gear, in service by 5 drive second level sun gears 10 rotations of first order planet carrier, and be delivered to third level planet carrier 11 in the same way, third level planet carrier 11 drives output gear by output gear shaft 15 and rotates, and realizes the adjustment to blade.
Claims (5)
1, a kind of variable propeller gearbox of wind power generator comprises casing, sun gear, planet wheel, planet carrier, output gear shaft, it is characterized in that:
A) casing comprises flange, gear ring and rear box, is provided with the first secondary ring gear group and third level ring gear between flange and the rear box, and flange, the first secondary ring gear group, third level ring gear are connected by bolt with rear box;
B) input shaft, planet carrier at different levels, sun gear at different levels, output gear shaft concentric, input shaft is connected by spline with first order sun gear, first order planet carrier is connected with second level sun gear by spline, second level planet carrier is connected with third level sun gear by spline, third level planet carrier is connected with output gear shaft by spline, on rear box, output gear shaft passes rear box to output gear shaft by Bearing Installation, and its end is provided with output gear;
C) every grade of planet carrier periphery evenly is provided with three planet wheels, and planet wheels at different levels often mesh with corresponding ring gear and sun gear at the same level respectively;
D) between input shaft and the flange, between output gear shaft and the rear box oil sealing is housed all.
2, changing propeller pitch of wind power generator gear-box according to claim 1 is characterized in that: planet wheels at different levels are installed in respectively on even three positioning shafts that are provided with of corresponding planet carrier periphery by bearing.
3, variable propeller gearbox of wind power generator according to claim 2 is characterized in that: the described bearing that is used to install planet wheel is a needle bearing.
4, Yaw gearbox for wind power generator according to claim 1 is characterized in that: described oil sealing is skeleton oil sealing.
5, according to claim 1 or 2 or 4 described variable propeller gearbox of wind power generator, it is characterized in that: output gear shaft passes through two Bearing Installation on rear box, the twice oil sealing is housed on output gear shaft and the rear box, comprise together that wherein two oil sealings arranged side by side place between two bearings, another road is placed between bearing and the output gear by an oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100649314A CN1304752C (en) | 2004-10-12 | 2004-10-12 | Variable propeller gearbox of wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100649314A CN1304752C (en) | 2004-10-12 | 2004-10-12 | Variable propeller gearbox of wind power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1587682A true CN1587682A (en) | 2005-03-02 |
| CN1304752C CN1304752C (en) | 2007-03-14 |
Family
ID=34603915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100649314A Active CN1304752C (en) | 2004-10-12 | 2004-10-12 | Variable propeller gearbox of wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1304752C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813071A (en) * | 2010-05-01 | 2010-08-25 | 吴声震 | Wind power generation three-piece double-cycloid variable-pitch speed reducer |
| CN109915547A (en) * | 2019-04-10 | 2019-06-21 | 苏州科峰英诺传动技术有限公司 | A kind of ultrashort integral type planetary reducer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2921195C2 (en) * | 1979-05-25 | 1986-03-20 | Maschinenfabrik Julius Marbaise GmbH & Co KG, 4600 Dortmund | Multi-stage planetary gear for operating a cable winch |
| JP2734460B2 (en) * | 1992-07-07 | 1998-03-30 | 三菱電機株式会社 | Drive motor for electric vehicles |
| FI108959B (en) * | 1998-06-18 | 2002-04-30 | Valmet Voimansiirto Oy | Planetary gear for a wind turbine |
| DE19917605B4 (en) * | 1999-04-19 | 2005-10-27 | Renk Ag | Transmission for wind generators |
| GB0206163D0 (en) * | 2002-03-15 | 2002-04-24 | Hansen Transmissions Int | Gear unit lubrication |
-
2004
- 2004-10-12 CN CNB2004100649314A patent/CN1304752C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813071A (en) * | 2010-05-01 | 2010-08-25 | 吴声震 | Wind power generation three-piece double-cycloid variable-pitch speed reducer |
| CN109915547A (en) * | 2019-04-10 | 2019-06-21 | 苏州科峰英诺传动技术有限公司 | A kind of ultrashort integral type planetary reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1304752C (en) | 2007-03-14 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191009 Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park) Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211100 No. 6, Jiangning Science Park, Nanjing, Jiangsu Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park) Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park) Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220906 Address after: No.79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: 210000 No.30, Houjiao Road, Jiangning District, Nanjing, Jiangsu Province Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |