CN201560902U - Lubricating device for wind power generation gear box - Google Patents
Lubricating device for wind power generation gear box Download PDFInfo
- Publication number
- CN201560902U CN201560902U CN2009202568485U CN200920256848U CN201560902U CN 201560902 U CN201560902 U CN 201560902U CN 2009202568485 U CN2009202568485 U CN 2009202568485U CN 200920256848 U CN200920256848 U CN 200920256848U CN 201560902 U CN201560902 U CN 201560902U
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- CN
- China
- Prior art keywords
- planet carrier
- power generation
- oiling ring
- oil
- wind power
- 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 - Fee Related
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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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- General Details Of Gearings (AREA)
Abstract
The utility model provides a lubricating device for a wind power generation gear box, which finishes the forced lubrication of an adjacent two-stage planetary gear trains by an oiling ring; the oiling ring and a box body are respectively provided with a radial oiling hole to form two paths of relatively independent forced lubricating oil path; the lubricating oil is respectively injected into the corresponding planetary gear train by a plurality of axial and radial oil holes, and simultaneously, oil spraying and lubrication on a support bearing and a planetary gear bearing of a planetary carrier are conducted. The lubricating device has the benefits mainly embodying as follows: the forced lubrication for the two-stage planetary gear trains can be finished simultaneously; each stage planetary gear train owns independent lubricating oil path, thus reducing the volume of the lubricating device and the weight of the gear box; an ring-shaped groove seal is arranged among the oiling ring and the planetary carrier or among lubricating rings, thus reducing the leakage of the lubricating oil and guaranteeing that the lubricating oil has enough pressure to inject into the planetary wheel bearing; and is stable and safe in use and convenient in assembly and disassembly.
Description
Technical field
The utility model relates to a kind of lubricating fitting, especially a kind of lubricating fitting of used for wind power generation gear-box.
Background technique
Along with non-renewable energy resources face exhausted awkward situation at world wide, for satisfying industrialized production and the human lives is required, people are to the concern of solar energy, wind-force, these renewable energy sourcess of waterpower and utilize day by day and promote.Wherein, wind-power electricity generation is a kind of relatively ripe, higher energy development technology of conversion efficiency that developed, especially on the plateau, there is popularization and application widely in area such as coastal.
In wind-driven generator, gear-box is its critical component.As everyone knows, in wind power generation gear case, often use multi-stage planetary gear, how to these planet carrier spring bearings, planetary gear bearing is lubricated and cool off the working life that directly has influence on gear-box.In the planetary gear train of wind power generation gear case, generally adopt pressure lubrication at present.Chinese patent ZL200620125020.2 has disclosed a kind of lubricating structure, carries out pressure lubrication by oil pipe fixing on the casing to the planet carrier bearing of rotation and the planetary bearing in the planet carrier.Because oil circuit is distributed in the planet carrier of static casing and rotation, Placement therebetween and cooperation are different and varied along with structure; And the lubricating fitting of prior art can only lubricate the one-level planetary gear train, insufficiency, and the possibility of leakage of oil is arranged.
The model utility content
The purpose of this utility model is to solve above-mentioned technical problem, and a kind of lubricating fitting that can carry out pressure lubrication simultaneously to gear for two stage planetary gear train simple and reliable for structure is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of wind power generation gear case lubricating fitting, described wind power generation gear case comprises casing, be arranged on transmission shaft and the sun gear that is sheathed on the described transmission shaft in the described casing, and the first order planetary gear train and the second level planetary gear train that connect with described sun gear, described planetary gear train comprises planet carrier, planet carrier spring bearing and planet wheel, described lubricating fitting comprises an oiling ring affixed with described casing, described oiling ring is located between first order planet carrier and the second level planet carrier, its inside is provided with and is used for two groups of oil holes that lubricant oil passes through, one end of described oil hole all with the radial direction oil hole UNICOM of described casing, the other end respectively with described first order planet carrier and second level planet carrier in oil circuit UNICOM.Oil circuit in the described planet carrier all with corresponding planet wheel pin in radial direction oil hole UNICOM.
Further, one axial end of described oiling ring is provided with an oiling ring to outer process, described first order planet carrier is provided with the annular groove of a circle, described oiling ring extend in the described annular groove and Spielpassung, be provided with the oil circuit with the first oil hole UNICOM of described oiling ring in the described oiling ring, the oil circuit UNICOM in described oil circuit and the described first order planet carrier.
Again further, the radially blind hole that described first oil hole sets to the concave for the most peripheral from oiling ring, the oil circuit in the described oiling ring is vertical with described first oil hole.
Further, be linked with through the little oilhole of described oiling ring one side end face the roller of the spring bearing of the described first order planet carrier of the axis alignment of described little oilhole on described first oil hole.
Further, described second oil hole is the radial direction through hole through described oiling ring.Interference is arranged with a disc on the planet carrier of the described second level, be equipped with and the identical radial direction oil hole of planet wheel number and orientation on described second level planet carrier and the disc, also be provided with the circular groove with described radial direction oil hole UNICOM on the described disc, the described circular groove and the second oil hole UNICOM and be Spielpassung.
Again further, axially outwards be provided with the annular groove of at least one circle on the periphery of described disc.
Further, be linked with through the little oilhole of described oiling ring one side end face the roller of the spring bearing of the described second level of the axis alignment of described little oilhole planet carrier on described second oil hole.
The beneficial effects of the utility model are mainly reflected in:
1) can finish pressure lubrication simultaneously, and planetary gear train at different levels has independently lubricating oil path, reduce the volume of lubricating fitting, reduce gear-box weight gear for two stage planetary gear train;
2) the annular groove sealing is set between oiling ring and planet carrier or disc, has reduced oil leakage, guarantee that lubricant oil has enough pressure to be injected in the planet wheel bearing;
3) less amount of lubrication oil of non-contact sealing part leakage can be lubricated the spline pair between first order sun gear and second level planet carrier;
4) use is reliable and secure, and assembly and disassembly is convenient.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: the structural representation of the utility model wind power generation gear case lubricating fitting;
Fig. 1 a: the enlarged view of A part among Fig. 1;
Fig. 2: the structural representation of the utility model oiling ring;
Fig. 3: among Fig. 2 along the sectional view of A-A;
Fig. 4: among Fig. 2 along the sectional view of B-B.
Embodiment
The utility model has disclosed a kind of lubricating fitting of wind power generation gear case, because wind-powered electricity generation gear-box running operating mode complexity, driving torque is big, causes the very high requirement of the lubricated proposition of each gear mesh in the gear-box.Rational lubricating system can improve the mechanical efficiency of transmission system, more can significantly improve the working life of each bearing.
Preferred embodiment as shown in Figure 1, this wind power generation gear case comprises a casing 4, be arranged on the transmission shaft in the described casing 4 and be sheathed on sun gear 9 on the described transmission shaft, and the first order planetary gear train and the second level planetary gear train that connect with described sun gear 9.Described planetary gear train comprises planet carrier, planet carrier spring bearing and planet wheel, and the planetary gear train relation of connecting is consistent with prior art, does not therefore repeat them here.
Lubricating fitting of the present utility model comprises an oiling ring 3 affixed with described casing 4, and described oiling ring 3 is located between first order planet carrier 1 and the second level planet carrier 7.Oiling ring 3 has radially oil hole with casing 4, and both make both radial direction oil hole butt joint, UNICOMs by bolt together just.Oiling ring 3 inside are provided with and are used for two groups of different oil hole b, d that lubricant oil passes through, and form two independent pressure lubrication oil circuit, and the outer oiling pipeline of casing enters corresponding oil circuit respectively by the casing oil duct.
In conjunction with Fig. 2 and shown in Figure 3, one axial end of described oiling ring 3 is provided with an oiling ring f to outer process, described first order planet carrier 1 is provided with the annular groove 11 of a circle, and described oiling ring f extend in the described annular groove 11, so forms two mating annular faces.This annular groove 11 keeps helical processing tool marks on anchor ring, when rotating, planet carrier can effectively stop the leakage of lubricant oil, reserve certain interval between annular groove 11 and oiling ring f are axial, like this at first order planet carrier 1 during, the oil circuit e on the oiling ring 3 is connected with oil circuit on the first order planet carrier 1 with oiling ring 3 relative rotations.Oil circuit e in the described oiling ring f and the first oil hole b UNICOM of described oiling ring 3, the radially blind hole that the described first oil hole b sets to the concave for the most peripheral from oiling ring 3, the oil circuit e in the described oiling ring f is vertical with the described first oil hole b.Be linked with on the described first oil hole b through the little oilhole a of described oiling ring 3 one side end faces, the roller of the spring bearing 2 of the described first order planet carrier 1 of the axis alignment of described little oilhole a carries out oil jet lubrication to spring bearing 2 when gear-box turns round.
As shown in Figure 1a, also be provided with the circular groove 61 with radial direction oil hole 62 UNICOMs on the described disc 6, and the axially outside annular groove 63 of both sides of circular groove 61, in this preferred embodiment 3 circle annular grooves 63, the indentation labyrinth.In conjunction with shown in Figure 4, the second oil hole d UNICOM on described circular groove 61 and the oiling ring 3 is a Spielpassung also, and the described second oil hole d is the radial direction through hole through described oiling ring.Lubricant oil enters circular groove 61 and enters radial direction oil hole 62 on the disc 6 through the second oil hole d, and enters the oil circuit in the planet carrier of the second level.Disc 6 and second level planet carrier 7 high speed rotating in the lump, the annular groove 63 on the disc 6 can effectively stop lubricant oil to external leakage.
Be linked with on the described second oil hole d through the little oilhole c of described oiling ring one side end face, the roller of the spring bearing 8 of the described second level of the axis alignment of described little oilhole c planet carrier 7 carries out oil jet lubrication to spring bearing 8 when gear-box turns round.
Oil circuit in the described planet carrier all with corresponding planet wheel pin in radial direction oil hole UNICOM.Lubricant oil enters planet carrier 1 or 7 by oiling ring 3, enters planet wheel pin 10 or 5 interior radial direction oil hole by planet carrier 1 or 7, and arrives planetary gear bearing by the radial direction oil hole at planet wheel pin 10 or 5 middle parts, realizes planet wheel bearing lubricated.
The utility model also has multiple implementation.All employings are equal to replacement or equivalent transformation and all technological schemes of forming, all drop within the claimed scope of the utility model.
Claims (9)
1. wind power generation gear case lubricating fitting, described wind power generation gear case comprises casing, be arranged on transmission shaft and the sun gear that is sheathed on the described transmission shaft in the described casing, and the first order planetary gear train and the second level planetary gear train that connect with described sun gear, described planetary gear train comprises planet carrier, planet carrier spring bearing and planet wheel, it is characterized in that: described lubricating fitting comprises an oiling ring affixed with described casing, described oiling ring is located between first order planet carrier and the second level planet carrier, its inside is provided with and is used for two groups of oil holes that lubricant oil passes through, one end of described oil hole all with the radial direction oil hole UNICOM of described casing, the other end respectively with described first order planet carrier and second level planet carrier in oil circuit UNICOM.
2. wind power generation gear case lubricating fitting according to claim 1, it is characterized in that: an axial end of described oiling ring is provided with an oiling ring to outer process, described first order planet carrier is provided with the annular groove of a circle, described oiling ring extend in the described annular groove and Spielpassung, be provided with the oil circuit with the first oil hole UNICOM of described oiling ring in the described oiling ring, the oil circuit UNICOM in described oil circuit and the described first order planet carrier.
3. wind power generation gear case lubricating fitting according to claim 2 is characterized in that: the oil circuit in the radially blind hole that described first oil hole sets to the concave for the most peripheral from oiling ring, described oiling ring is vertical with described first oil hole.
4. wind power generation gear case lubricating fitting according to claim 3, it is characterized in that: be linked with through the little oilhole of described oiling ring one side end face the roller of the spring bearing of the described first order planet carrier of the axis alignment of described little oilhole on described first oil hole.
5. wind power generation gear case lubricating fitting according to claim 1 is characterized in that: described second oil hole is the radial direction through hole through described oiling ring.
6. wind power generation gear case lubricating fitting according to claim 5, it is characterized in that: interference is arranged with a disc on the planet carrier of the described second level, be equipped with and the identical radial direction oil hole of planet wheel number and orientation on described second level planet carrier and the disc, also be provided with the circular groove with described radial direction oil hole UNICOM on the described disc, the described circular groove and the second oil hole UNICOM and be Spielpassung.
7. wind power generation gear case lubricating fitting according to claim 6 is characterized in that: the annular groove that axially outwards is provided with at least one circle on the periphery of described disc.
8. wind power generation gear case lubricating fitting according to claim 7, it is characterized in that: be linked with through the little oilhole of described oiling ring one side end face the roller of the spring bearing of the described second level of the axis alignment of described little oilhole planet carrier on described second oil hole.
9. according to described any one wind power generation gear case lubricating fitting of claim 1 to 8, it is characterized in that: the oil circuit in the described planet carrier all with corresponding planet wheel pin in radial direction oil hole UNICOM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202568485U CN201560902U (en) | 2009-11-03 | 2009-11-03 | Lubricating device for wind power generation gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202568485U CN201560902U (en) | 2009-11-03 | 2009-11-03 | Lubricating device for wind power generation gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560902U true CN201560902U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202568485U Expired - Fee Related CN201560902U (en) | 2009-11-03 | 2009-11-03 | Lubricating device for wind power generation gear box |
Country Status (1)
| Country | Link |
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| CN (1) | CN201560902U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979891A (en) * | 2012-12-06 | 2013-03-20 | 安徽工程大学 | Mechanical lubrication structure |
| CN103133269A (en) * | 2011-11-25 | 2013-06-05 | 罗伯特·博世有限公司 | Device for transmitting supply mediums by using transmitting train of wind power generating apparatus |
| CN103161925A (en) * | 2011-12-16 | 2013-06-19 | 罗伯特·博世有限公司 | Planetary gear, in particular for a wind turbine, with a lubricating oil supply for bearings in the form of a planet web |
| CN105485318A (en) * | 2015-12-18 | 2016-04-13 | 航天重型工程装备有限公司 | Self-adaptive lubrication structure and method for speed reducers |
| WO2016101425A1 (en) * | 2014-12-26 | 2016-06-30 | 南京高速齿轮制造有限公司 | Lubrication branch of planetary gear train |
| CN105840802A (en) * | 2016-06-17 | 2016-08-10 | 重庆青山工业有限责任公司 | Lubricating system of automobile transmission input shaft assembly |
| CN105889476A (en) * | 2015-02-12 | 2016-08-24 | 通用电气公司 | Gearbox lubrication system |
| WO2019024043A1 (en) * | 2017-08-03 | 2019-02-07 | General Electric Company | Planet carrier of a wind turbine gearbox with improved lubricant path |
| CN112997026A (en) * | 2018-11-09 | 2021-06-18 | 采埃孚股份公司 | Branched lubricant line |
| CN113039379A (en) * | 2018-12-13 | 2021-06-25 | 米巴滑动轴承奥地利有限公司 | Planetary gear transmission device of wind power generation equipment |
| CN113775736A (en) * | 2021-09-06 | 2021-12-10 | 上海涟屹轴承科技有限公司 | Oil distribution ring and gear box oil distribution system thereof |
| CN114483929A (en) * | 2022-02-09 | 2022-05-13 | 上海电气风电集团股份有限公司 | Planetary-level lubricating mechanism of gearbox of wind driven generator |
| CN114483887A (en) * | 2022-02-14 | 2022-05-13 | 南京高速齿轮制造有限公司 | Planetary transmission structure |
| WO2023207434A1 (en) * | 2022-04-24 | 2023-11-02 | 采埃孚(天津)风电有限公司 | Lubricating mechanism for planetary gear train |
| WO2023207431A1 (en) * | 2022-04-24 | 2023-11-02 | 采埃孚(天津)风电有限公司 | Lubricating mechanism for planetary gear train |
-
2009
- 2009-11-03 CN CN2009202568485U patent/CN201560902U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133269A (en) * | 2011-11-25 | 2013-06-05 | 罗伯特·博世有限公司 | Device for transmitting supply mediums by using transmitting train of wind power generating apparatus |
| CN103133269B (en) * | 2011-11-25 | 2017-07-18 | Zf 腓特烈港股份公司 | The device of feeding medium is transmitted for the power train by wind power plant |
| CN103161925A (en) * | 2011-12-16 | 2013-06-19 | 罗伯特·博世有限公司 | Planetary gear, in particular for a wind turbine, with a lubricating oil supply for bearings in the form of a planet web |
| CN102979891A (en) * | 2012-12-06 | 2013-03-20 | 安徽工程大学 | Mechanical lubrication structure |
| CN102979891B (en) * | 2012-12-06 | 2015-07-29 | 安徽工程大学 | A kind of mechanical lubrication structure |
| WO2016101425A1 (en) * | 2014-12-26 | 2016-06-30 | 南京高速齿轮制造有限公司 | Lubrication branch of planetary gear train |
| CN105889476A (en) * | 2015-02-12 | 2016-08-24 | 通用电气公司 | Gearbox lubrication system |
| CN105485318A (en) * | 2015-12-18 | 2016-04-13 | 航天重型工程装备有限公司 | Self-adaptive lubrication structure and method for speed reducers |
| CN105485318B (en) * | 2015-12-18 | 2018-07-06 | 航天重型工程装备有限公司 | A kind of adaptive lubrication system of speed reducer and method |
| CN105840802A (en) * | 2016-06-17 | 2016-08-10 | 重庆青山工业有限责任公司 | Lubricating system of automobile transmission input shaft assembly |
| WO2019024043A1 (en) * | 2017-08-03 | 2019-02-07 | General Electric Company | Planet carrier of a wind turbine gearbox with improved lubricant path |
| CN111051695A (en) * | 2017-08-03 | 2020-04-21 | 通用电气公司 | Wind turbine gearbox planet carrier with improved lubricant path |
| US11085421B2 (en) | 2017-08-03 | 2021-08-10 | General Electric Company | Planet carrier of a wind turbine gearbox with improved lubricant path |
| CN111051695B (en) * | 2017-08-03 | 2022-05-24 | 通用电气公司 | Wind turbine gearbox planet carrier with improved lubricant path |
| CN112997026A (en) * | 2018-11-09 | 2021-06-18 | 采埃孚股份公司 | Branched lubricant line |
| CN113039379A (en) * | 2018-12-13 | 2021-06-25 | 米巴滑动轴承奥地利有限公司 | Planetary gear transmission device of wind power generation equipment |
| CN113775736A (en) * | 2021-09-06 | 2021-12-10 | 上海涟屹轴承科技有限公司 | Oil distribution ring and gear box oil distribution system thereof |
| CN113775736B (en) * | 2021-09-06 | 2024-02-09 | 上海涟屹轴承科技有限公司 | Oil distribution ring and gear box oil distribution system thereof |
| CN114483929A (en) * | 2022-02-09 | 2022-05-13 | 上海电气风电集团股份有限公司 | Planetary-level lubricating mechanism of gearbox of wind driven generator |
| CN114483929B (en) * | 2022-02-09 | 2023-10-03 | 上海电气风电集团股份有限公司 | Planetary lubrication mechanism of wind driven generator gear box |
| CN114483887A (en) * | 2022-02-14 | 2022-05-13 | 南京高速齿轮制造有限公司 | Planetary transmission structure |
| WO2023207434A1 (en) * | 2022-04-24 | 2023-11-02 | 采埃孚(天津)风电有限公司 | Lubricating mechanism for planetary gear train |
| WO2023207431A1 (en) * | 2022-04-24 | 2023-11-02 | 采埃孚(天津)风电有限公司 | Lubricating mechanism for planetary gear train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181103 |