CN106594250B - Lubrication mechanism for planetary gear train supporting bearing in wind power gear box - Google Patents
Lubrication mechanism for planetary gear train supporting bearing in wind power gear box Download PDFInfo
- Publication number
- CN106594250B CN106594250B CN201611237936.1A CN201611237936A CN106594250B CN 106594250 B CN106594250 B CN 106594250B CN 201611237936 A CN201611237936 A CN 201611237936A CN 106594250 B CN106594250 B CN 106594250B
- Authority
- CN
- China
- Prior art keywords
- oil
- planet carrier
- side wall
- independent
- collecting 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.)
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Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 171
- 239000010687 lubricating oil Substances 0.000 claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a lubrication mechanism of a planetary gear system support bearing in a wind power gear box, which comprises a planet carrier, a planet carrier support bearing, a pin shaft and a support bearing of a planetary gear, wherein a lubrication oil duct reaching the support bearing is arranged in the pin shaft, and the lubrication mechanism is characterized in that: the planet carrier is provided with an oil collecting box, at least two mounting lugs which are closely attached to the planet carrier are arranged on the oil collecting box, and through holes corresponding to the mounting screw holes in the planet carrier are arranged in the mounting lugs; two independent oil cavities are arranged in the oil collecting box, oil inlets of the two independent oil cavities are arranged on the box wall facing the rotation direction of the planet carrier in parallel, oil outlets of the first independent oil cavity are arranged on a top cover of the oil collecting box, and oil outlets of the second independent oil cavity are communicated with a lubricating oil duct in the planet wheel pin shaft.
Description
Technical Field
The invention relates to a lubrication mechanism of a planetary gear train supporting bearing, in particular to a lubrication mechanism of a planetary gear train supporting bearing in a wind power gear box.
Background
The conventional lubrication mode of the planetary gear support bearing and the planetary carrier support bearing of the wind power gear box generally adopts forced lubrication, namely, an external lubrication system is utilized to lubricate the planetary gear bearing and the planetary carrier bearing through related oil holes and oil pipes. The lubricating mode inevitably involves a transition link between a moving part and a fixed part in an oil duct, the structure is complex, the processing precision requirement is high, and once an external lubricating system fails to normally operate or a transition link of a dynamic and static combination part fails in use, the planet carrier support bearing and the planet carrier support bearing are possibly in a non-lubricating state, so that a gear box cannot normally operate, and if the service life of the gear box can be timely discovered, the service life of the gear box can be influenced. How to ensure that the support bearing of the planetary gear train can obtain reliable lubrication system work is a technical problem which is concerned in the field for a long time.
Disclosure of Invention
The invention aims to provide a lubrication mechanism for a planetary gear train supporting bearing in a wind power gear box, aiming at the technical risk caused by equipment failure of a lubrication system when forced lubrication is adopted for the planetary gear train at present.
The purpose of the invention is realized in the following way: the utility model provides a lubricated mechanism of planet wheel train supporting bearing in wind-powered electricity generation gear box, includes planet carrier, planet carrier supporting bearing, planet wheel round pin axle and planet wheel's supporting bearing, is equipped with the lubrication oil duct that reaches supporting bearing in the round pin axle, its characterized in that: the planet carrier is provided with an oil collecting box, at least two mounting lugs which are closely attached to the planet carrier are arranged on the oil collecting box, and through holes corresponding to the mounting screw holes in the planet carrier are arranged in the mounting lugs; two independent oil cavities are arranged in the oil collecting box, oil inlets of the two independent oil cavities are arranged on the box wall facing the rotation direction of the planet carrier in parallel, oil outlets of the first independent oil cavity are arranged on a top cover of the oil collecting box, and oil outlets of the second independent oil cavity are communicated with a lubricating oil duct in the planet wheel pin shaft.
In the invention, an oil collecting box is arranged on the planet carrier, and the communication between the oil outlet of the second independent oil cavity and the lubricating oil duct in the planet pin shaft means that: the planet carrier is provided with an oil duct communicated with the lubricating oil duct in each planet pin shaft, and an oil outlet of the oil cavity is in butt joint with the lubricating oil duct in each planet pin shaft through the oil duct on the planet carrier.
In the invention, the planet carrier is provided with oil collecting boxes corresponding to each planet wheel pin shaft, the oil outlets of the first independent oil cavities of the oil collecting boxes are arranged on the top cover of the oil collecting box, and the oil outlets of the second independent oil cavities are communicated with the lubricating oil channels in the corresponding planet wheel pin shafts.
In the invention, the communication between the oil outlet of the second independent oil cavity and the lubricating oil duct in the corresponding planet wheel pin shaft means that: the oil outlet of the oil cavity is directly in butt joint with the lubricating oil duct in the corresponding planet pin shaft, or the planet carrier is provided with an oil duct communicated with the lubricating oil duct in the corresponding planet pin shaft, and the oil outlet of the oil cavity is in butt joint with the lubricating oil duct in the corresponding planet pin shaft through the oil duct on the planet carrier.
In the invention, the oil collecting box is fixedly arranged on the planet carrier through a through hole in the mounting lug by a bolt.
In the invention, a sealing gasket is arranged on the installation joint surface of the oil collecting box and the planet carrier, and an oil hole corresponding to the oil outlet of the second independent oil cavity of the oil collecting box is arranged on the sealing gasket.
The invention has the advantages that: the invention is characterized in that the planet carrier is provided with the oil collecting box, two independent oil cavities are arranged in the oil collecting box, oil inlets of the oil collecting box are arranged on a box wall facing the rotation direction of the planet carrier in parallel, oil outlets of the first independent oil cavity are arranged on a top cover of the oil collecting box, oil outlets of the second independent oil cavity are communicated with a lubricating oil duct in a planet wheel pin shaft, the lubricating system completely utilizes the lubricating oil supplied by the two oil inlets to the two independent oil cavities when the planet carrier passes through an oil pool in the working process of the planet carrier, and the lubricating oil is supplied to a planet carrier supporting bearing through the oil outlets of the first independent oil cavity in the operation, the lubricating oil duct is not related to an external pump, and a dynamic and static combination part is not arranged in the oil duct, so long as enough lubricating oil is arranged in the oil pool, and each supporting bearing of the planet wheel train can obtain reliable lubricating. The invention has compact structure, long service life and low failure rate, and is convenient to maintain even if the maintenance is needed.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a left-hand structural schematic diagram of the embodiment of fig. 1.
Fig. 3 is a schematic external view of the oil collecting case.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a cross-sectional view taken along A-A of fig. 3.
In the figure, 1, a planet carrier; 2. a planet carrier support bearing; 3. a lubrication oil passage; 4. a planet wheel support bearing; 5. a planet wheel; 6. a pin shaft; 7. an oil collecting box; 8. the device comprises a mounting lug 9, a first independent oil cavity 10, an oil inlet 11, an oil outlet 12, a second independent oil cavity 13, an oil inlet 14 and an oil outlet.
Detailed Description
The drawings disclose, without limitation, specific configurations of embodiments of the invention, and the invention is further described below with reference to the accompanying drawings.
As can be seen from fig. 1 and 2, the invention comprises a planet carrier 1, a planet carrier support bearing 2, a pin shaft 6 and a support bearing 4 of a planet wheel, wherein a lubrication oil duct 3 reaching the support bearing is arranged in the pin shaft 6, and the invention comprises the following steps: the planet carrier 1 is provided with an oil collecting box 7, at least two mounting lugs 8 which are closely attached to the planet carrier 1 are arranged on the oil collecting box 7, and through holes corresponding to the mounting screw holes in the planet carrier 1 are arranged in the mounting lugs 8.
As can be seen from fig. 3, 4 and 5, the oil collecting box 7 is provided with two independent oil chambers, namely a first independent oil chamber 9 and a second independent oil chamber 12, the oil inlets 10 and 13 of which are arranged on the box wall facing the rotation direction of the planet carrier 1 in parallel, the oil collecting box 7 is provided with an oil outlet 11 of the first independent oil chamber 9 arranged on the top cover of the oil collecting box 7, and an oil outlet 14 of the second independent oil chamber 12 is communicated with the lubricating oil duct 3 in the planet pin shaft 6.
In the embodiment shown in fig. 1 and 2, the planet carrier 1 is provided with an oil passage communicated with the lubricating oil passage 3 in each planet pin 6, and the oil outlet 14 of the second independent oil cavity 12 is in butt joint with the lubricating oil passage 3 in each planet pin 6 through the oil passage on the planet carrier 1.
In specific implementation, the planet carrier 1 is provided with oil collecting boxes 7 corresponding to each planet pin shaft 6, oil outlets 11 of first independent oil cavities 9 of each oil collecting box 7 are arranged on a top cover of the oil collecting box 7, and oil outlets 14 of second independent oil cavities 12 are communicated with lubricating oil channels 3 in corresponding planet pin shafts 9, and communication modes can be selected: the oil outlet 14 of the second independent oil cavity 12 is directly in butt joint with the lubricating oil duct 3 in the corresponding planet pin shaft 6, or the planet carrier 1 is provided with an oil duct communicated with the lubricating oil duct 3 in the corresponding planet pin shaft 6, and then the oil outlet 14 of the second independent oil cavity 12 is in butt joint with the lubricating oil duct 3 in the corresponding planet pin shaft 6 through the oil duct on the planet carrier 1.
When in use, the oil collecting box 7 is fixedly arranged on the planet carrier 1 through the through holes in the mounting lugs 8 by bolts. In order to prevent leakage, a sealing gasket is arranged on the installation joint surface of the oil collecting box 7 and the planet carrier 1, and an oil hole corresponding to the oil outlet 14 of the second independent oil cavity 12 of the oil collecting box 7 is arranged on the sealing gasket.
Claims (6)
1. The utility model provides a lubricated mechanism of planet wheel train supporting bearing in wind-powered electricity generation gear box, includes planet carrier, planet carrier supporting bearing, round pin axle and planet wheel's supporting bearing, is equipped with the lubrication oil duct that reaches supporting bearing in the round pin axle, its characterized in that: the planet carrier is provided with an oil collecting box, at least two mounting lugs which are closely attached to the planet carrier are arranged on the oil collecting box, and through holes corresponding to the mounting screw holes in the planet carrier are arranged in the mounting lugs; two independent oil cavities are arranged in the oil collecting box, oil inlets of the two independent oil cavities are arranged on the box wall facing the rotation direction of the planet carrier in parallel, oil outlets of the first independent oil cavity are arranged on a top cover of the oil collecting box, and oil outlets of the second independent oil cavity are communicated with a lubricating oil duct in the planet wheel pin shaft;
the oil collecting box comprises a first side wall, a second side wall, a third side wall, a fourth side wall, a top cover and a bottom wall, wherein the second side wall is opposite to the first side wall, the third side wall is connected with the first side wall and the second side wall, the fourth side wall is opposite to the third side wall, the top cover and the bottom wall are connected with the first side wall, the second side wall, the third side wall and the fourth side wall, the top cover and the bottom wall are opposite to each other, an oil cavity is formed by surrounding the first side wall, the second side wall, the third side wall, the fourth side wall and the top cover and the bottom wall, an oil inlet is formed in the fourth side wall, a baffle wall is arranged in the oil cavity and is used for connecting the second side wall and the opening, the baffle wall divides the oil cavity into a first independent oil cavity and a second independent oil cavity which are independent of each other, and the baffle wall divides the oil inlet into a first oil inlet and a second oil inlet which are respectively positioned at two sides of the baffle wall.
2. The lubrication mechanism for a planetary gear train support bearing in a wind power gear box according to claim 1, wherein the planet carrier is provided with an oil collecting box, and the communication between the oil outlet of the second independent oil cavity and the lubrication oil duct in the planetary gear pin shaft means: the planet carrier is provided with an oil duct communicated with the lubricating oil duct in each planet pin shaft, and an oil outlet of the oil cavity is in butt joint with the lubricating oil duct in each planet pin shaft through the oil duct on the planet carrier.
3. The lubrication mechanism for a planetary gear train support bearing in a wind power gear box according to claim 1, wherein an oil collecting box corresponding to each planetary gear pin is arranged on the planet carrier, oil outlets of first independent oil cavities of the oil collecting boxes are arranged on a top cover of the oil collecting box, and oil outlets of second independent oil cavities are communicated with lubrication oil channels in corresponding planetary gear pins.
4. The lubrication mechanism for a planetary gear train support bearing in a wind power gearbox according to claim 3, wherein the communication between the oil outlet of the second independent oil cavity and the lubrication oil channel in the corresponding planetary gear pin shaft means: the oil outlet of the oil cavity is directly in butt joint with the lubricating oil duct in the corresponding planet pin shaft, or the planet carrier is provided with an oil duct communicated with the lubricating oil duct in the corresponding planet pin shaft, and the oil outlet of the oil cavity is in butt joint with the lubricating oil duct in the corresponding planet pin shaft through the oil duct on the planet carrier.
5. The lubrication mechanism for a planetary gear train support bearing in a wind power gearbox according to any one of claims 1 to 4, wherein the oil collecting box is fixedly mounted on the planet carrier by a through hole in the mounting lug through bolts.
6. The lubrication mechanism for a planetary gear train support bearing in a wind power gearbox according to any one of claims 1 to 4, wherein a sealing gasket is arranged on a mounting joint surface of the oil collecting box and the planet carrier, and an oil hole corresponding to an oil outlet of the second independent oil cavity of the oil collecting box is arranged on the sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237936.1A CN106594250B (en) | 2016-12-28 | 2016-12-28 | Lubrication mechanism for planetary gear train supporting bearing in wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237936.1A CN106594250B (en) | 2016-12-28 | 2016-12-28 | Lubrication mechanism for planetary gear train supporting bearing in wind power gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594250A CN106594250A (en) | 2017-04-26 |
| CN106594250B true CN106594250B (en) | 2024-02-23 |
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ID=58604692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237936.1A Active CN106594250B (en) | 2016-12-28 | 2016-12-28 | Lubrication mechanism for planetary gear train supporting bearing in wind power gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594250B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757904A (en) * | 2018-06-29 | 2018-11-06 | 南京高速齿轮制造有限公司 | Water conservancy diversion box to planet carrier spring bearing lubrication and its application |
| CN113153895A (en) * | 2021-04-19 | 2021-07-23 | 上海井全机械科技有限公司 | Novel lubricating structure passive wheel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586538A (en) * | 2009-07-09 | 2009-11-25 | 南京高速齿轮制造有限公司 | Lubrication mechanism in wind power generator gear case |
| JP2010156413A (en) * | 2008-12-26 | 2010-07-15 | Toyota Motor Corp | Lubricating structure of planetary gearing mechanism |
| JP2010156415A (en) * | 2008-12-26 | 2010-07-15 | Toyota Motor Corp | Lubricating structure of planetary gearing mechanism |
| CN206439381U (en) * | 2016-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | The lubricating structure of planetary gear train spring bearing in wind turbine gearbox |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005031592A1 (en) * | 2005-07-06 | 2007-01-11 | Schaeffler Kg | Planet carrier for a planetary gear |
| DE102005054084A1 (en) * | 2005-11-12 | 2007-07-12 | Schaeffler Kg | planet carrier |
-
2016
- 2016-12-28 CN CN201611237936.1A patent/CN106594250B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010156413A (en) * | 2008-12-26 | 2010-07-15 | Toyota Motor Corp | Lubricating structure of planetary gearing mechanism |
| JP2010156415A (en) * | 2008-12-26 | 2010-07-15 | Toyota Motor Corp | Lubricating structure of planetary gearing mechanism |
| CN101586538A (en) * | 2009-07-09 | 2009-11-25 | 南京高速齿轮制造有限公司 | Lubrication mechanism in wind power generator gear case |
| CN206439381U (en) * | 2016-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | The lubricating structure of planetary gear train spring bearing in wind turbine gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594250A (en) | 2017-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190925 Address after: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Address before: 211100, No. 1 East Tianyuan Road, Jiangning Science Park, Jiangning District, Jiangsu, Nanjing Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200514 Address after: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |