CN201129405Y - Step-up gear box for wind power generator - Google Patents
Step-up gear box for wind power generator Download PDFInfo
- Publication number
- CN201129405Y CN201129405Y CNU2007201313954U CN200720131395U CN201129405Y CN 201129405 Y CN201129405 Y CN 201129405Y CN U2007201313954 U CNU2007201313954 U CN U2007201313954U CN 200720131395 U CN200720131395 U CN 200720131395U CN 201129405 Y CN201129405 Y CN 201129405Y
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- Prior art keywords
- casing
- shaft
- order
- gear
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- 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
Links
- 238000009434 installation Methods 0.000 claims description 13
- 238000005267 amalgamation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a speed-increasing gearbox for wind-driven generators. The box body comprises a main shaft sleeve, a first grade internal ring gear, a first grade housing, a second grade internal ring gear and a second grade housing which are sequentially connected, wherein the main shaft is installed in the main shaft sleeve and the first grade housing, a first grade planetary pinion carrier is assembled on the main shaft, the end of a first grade sun wheel shaft is connected with a second grade planetary pinion carrier by splines, the second grade planetary pinion carrier is mounted between the first grade housing and the second grade housing, the end of a second grade sun wheel shaft is connected with a spline shaft, the spline shaft and an output gear shaft provided with a pinion are parallel installed in the second grade housing, at least three planet wheel axles are arranged along the periphery of a first planet rack and a second planet rack, and the planet wheel axles are engaged with planet wheels, the big gear wheel on the spline shaft is meshed with the pinion on the output gear shaft, the joint portion of the main shaft and the front end of the main shaft sleeve and the joint portion of the output gear shaft and the tail end of the second grade housing are both provided with sealing devices, and lubricating oil passages are arranged in both of the first planet rack and the second planet rack.
Description
Technical field
The utility model relates to gear-box, especially a kind of step-up gear that is used for wind-driven generator.
Background technique
Utilize wind-power electricity generation to compare, have the free of contamination advantage of generating, compare with hydroelectric power with traditional thermal power generation, have that the capital construction cost is low, floor space is little, maintaining is advantage easily, and for large-scale hydroelectric power plant, also there is certain potential safety hazard in storage reservoir to the downstream easily.In wind-driven generator, gear-box is the critical component of wind-driven generator, and the wind-driven generator step-up gear of China's use at present mainly solves by import, is generally overall structure, and the dismounting difficulty in case break down, can only be changed assembly, causes waste.
Summary of the invention
The purpose of this utility model is: at step-up gear, especially the speed-increasing gearbox of wind driven generator volume is bigger, and the practical problem that dismounting is inconvenient provides a kind of new speed-increasing gearbox of wind driven generator.
The purpose of this utility model is achieved in that a kind of step-up gear that is used for wind-driven generator, comprises casing, main shaft, planet carrier, sun gear, planet wheel, Large Gear Shaft During, output gear shaft, it is characterized in that:
A) casing comprises collar bush, first order casing and second level casing, be provided with first order ring gear between collar bush and the first order casing, be provided with second level ring gear between first order casing and the second level casing, collar bush, first order ring gear, first order casing, second level ring gear and second level casing are connected by bolt successively;
B) main shaft, first and second grade planet carrier, first and second grade sun gear, gearwheel concentric, wherein: main shaft is installed in respectively in collar bush and the first order casing by two bearings, first order planet carrier be assemblied on the main shaft by interference fit joint and place collar bush and first order casing between; First order sun wheel shaft end is connected with second level planet carrier by spline, and second level planet carrier passes through two Bearing Installation between first order casing and second level casing; Sun wheel shaft end, the second level is provided with spline and is connected with splined shaft, parallel splined shaft and the output gear shaft that is provided with small gear by Bearing Installation in the casing of the second level;
C) along first and second grade planet carrier periphery three planet wheel shafts are set at least evenly, on planet wheel shaft, described planet wheel often meshes with corresponding ring gear, sun gear simultaneously planet wheel by Bearing Installation;
D) splined shaft is provided with gearwheel, and gearwheel on the splined shaft and the small gear on the output gear shaft often mesh;
F) the terminal junction of main shaft and collar bush front end junction and output gear shaft and second level casing is equipped with seal arrangement;
G) be equipped with oil leab in first and second grade planet carrier towards planet wheel bearing.
In the utility model: along first order planet carrier periphery four planet wheels are set evenly, along second level planet carrier periphery three planet wheels are set evenly, described planet wheel often meshes with corresponding ring gear, sun gear simultaneously; Described seal arrangement comprises flinger ring, disc and dust ring, and described second level casing connects by the upper and lower casing amalgamation and by bolt.
In the utility model: adopt the helical teeth transmission between first order planet wheel, first order sun gear, the first order ring gear, splined shaft and output gear shaft adopt three bearings to be installed in parallel in the casing of the second level.
In the utility model: described bearing is a cylindrical roller bearing, or full roller bearing, or selfaligning roller bearing, or spheric roller bearing, or four-point contact ball, or deep groove ball bearing, or conical bearing.
In the utility model: main shaft is supported in collar bush and first order casing by spheric roller bearing or four-point contact ball or deep groove ball bearing; The installation bearing that second level planet carrier adopts is two single row conical bearings; Each planet wheel is by full roller bearing, or selfaligning roller bearing, or cylindrical roller bearing is installed on the planet wheel shaft; The bearing that supports splined shaft and output gear shaft is a spheric roller bearing, or four-point contact ball, or deep groove ball bearing.
Advantage of the present utility model is: casing is divided into collar bush, first order casing, second level casing, and second level casing makes the gear-box dismounting convenient by the upper and lower casing amalgamation; First order planet carrier adopts interference fit to be connected with main shaft, makes gear-box easy to process; First and second grade ring gear simultaneously as the constituent element of casing, has not only been alleviated the overall weight of gear-box, and processing easily; Planet wheel and planet carrier had both increased bearing capacity after adopting two Bearing Installation, had reduced installing space again; First order planetary gear train is processed into the helical teeth train, makes the gear-box bearing capacity stronger; Second level planet carrier adopts two single row conical bearings to install, and has improved stability of transmission; Planet wheel bearing adopts pressure lubrication, has improved the reliability of gear-box.
Description of drawings
Fig. 1 is a kind of example structure schematic representation that the utility model relates to.
Among the figure: 1, main shaft, 2, collar bush, 3, first order planet carrier, 4, first order planet wheel shaft, 5, first order ring gear, 6, first order planet wheel, 7, first order sun gear, 8, first order casing, 9, second level planet carrier, 10, second level ring gear, 11, second level planet wheel, 12 second level planet wheel shafts, 13, second level sun gear, 14, second level casing, 15, seal arrangement, 16, output gear shaft, 17, splined shaft, 18, gearwheel.
Embodiment
Accompanying drawing is nonrestrictive to disclose the structural representation of a kind of specific embodiment that the utility model relates to, and the utility model will be further described below in conjunction with accompanying drawing.
As seen from Figure 1, the casing that the utility model relates to comprises collar bush 2, first order casing 8 and second level casing 14, be provided with first order ring gear 5 between collar bush 2 and the first order casing 8, be provided with second level ring gear 10 between first order casing 8 and the second level casing 14, collar bush 2, first order ring gear 5, first order casing 8, second level ring gear 10 and second level casing 14 are connected by bolt successively; Main shaft 1, first order planet carrier 3, first order sun gear 7, second level planet carrier 9, second level sun gear 13, gearwheel 18 concentrics, wherein: main shaft 1 is installed in respectively in collar bush 2 and the first order casing 8 by two bearings, first order planet carrier 3 be assemblied on the main shaft 1 by interference fit joint and place collar bush 2 and first order casing 8 between; First order sun wheel shaft end is connected with second level planet carrier 9 by spline, and second level planet carrier 9 passes through two Bearing Installation between first order casing 8 and second level casing 14; Sun wheel shaft end, the second level is provided with spline and is connected with splined shaft 17, parallel splined shaft 17 and the output gear shaft 16 that is provided with small gear by Bearing Installation in second level casing 14; Along first order planet carrier and second level planet carrier periphery three planet wheel shafts are set at least evenly, on planet wheel shaft, described planet wheel often meshes with corresponding ring gear, sun gear simultaneously planet wheel by Bearing Installation; Splined shaft 17 is provided with gearwheel 18, and the gearwheel 18 on the splined shaft 17 often meshes with the small gear on the output gear shaft 16; Main shaft 1 is equipped with seal arrangement 15 with collar bush 2 front end junctions and output gear shaft 16 with second level casing 14 terminal junctions.In the present embodiment, along first order planet carrier 3 peripheries four first order planet wheel shafts 4 are set evenly, planet carrier 9 peripheries in the second level evenly are provided with three second level planet wheels 12, and described planet wheel often meshes with corresponding ring gear, sun gear simultaneously; Adopt the helical teeth transmission between first order planet wheel 6, first order sun gear 7, the first order ring gear 5; Described seal arrangement 15 comprises flinger ring, disc and dust ring, and described second level casing 14 connects by the upper and lower casing amalgamation and by bolt.Main shaft 1 is supported in collar bush 2 and first order casing 8 by four-point contact ball; The installation bearing that second level planet carrier 9 adopts is two single row conical bearings; Each planet wheel is installed on the planet wheel shaft by full roller bearing; Splined shaft 17 and output gear shaft adopt three bearings to be installed in parallel in the second level casing 14, and described bearing is a deep groove ball bearing; The speed ratio of planetary stage is 4～6, and the speed ratio of small gear is 3～4 on gearwheel and the output gear shaft.
During concrete enforcement, be equipped with oil leab in first and second grade planet carrier towards planet wheel bearing.Main shaft can also adopt spheric roller bearing, or four-point contact ball, or deep groove ball bearing is supported in collar bush and first order casing; Each planet wheel can also adopt full roller bearing, or selfaligning roller bearing, or cylindrical roller bearing is installed on the planet wheel shaft; The bearing that supports splined shaft and output gear shaft can also adopt spheric roller bearing, or four-point contact ball, or deep groove ball bearing.
During actual the use, the kinetic energy that wind-force forms drives first order planet carrier 3 by main shaft 1, first order planet wheel 6 is rotated around first order sun gear 7,, make first order sun gear 7 produce rotation because first order planet wheel 6 often meshes with first order ring gear 5, first order sun gear 7 simultaneously; The spline of first order sun wheel shaft end drives second level planet carrier 9 and rotates synchronously, and second level planet wheel 11 is rotated around second level sun gear 13, makes second level sun gear 13 produce rotation under the effect of second level ring gear 10; The spline of sun wheel shaft end, the second level drives splined shaft 17 and rotates synchronously, and the gearwheel 18 on the splined shaft 17 drives output gear shaft 16 and drives generator for electricity generation.
Claims (5)
1, a kind of step-up gear that is used for wind-driven generator comprises casing, main shaft, planet carrier, sun gear, planet wheel, Large Gear Shaft During, output gear shaft, it is characterized in that:
A) casing comprises collar bush, first order casing and second level casing, be provided with first order ring gear between collar bush and the first order casing, be provided with second level ring gear between first order casing and the second level casing, collar bush, first order ring gear, first order casing, second level ring gear and second level casing are connected by bolt successively;
B) main shaft, first and second grade planet carrier, first and second grade sun gear, gearwheel concentric, wherein: main shaft is installed in respectively in collar bush and the first order casing by two bearings, first order planet carrier be assemblied on the main shaft by interference fit joint and place collar bush and first order casing between; First order sun wheel shaft end is connected with second level planet carrier by spline, and second level planet carrier passes through two Bearing Installation between first order casing and second level casing; Sun wheel shaft end, the second level is provided with spline and is connected with splined shaft, parallel splined shaft and the output gear shaft that is provided with small gear by Bearing Installation in the casing of the second level;
C) along first and second grade planet carrier periphery three planet wheel shafts are set at least evenly, on planet wheel shaft, described planet wheel often meshes with corresponding ring gear, sun gear simultaneously planet wheel by Bearing Installation;
D) splined shaft is provided with gearwheel, and gearwheel on the splined shaft and the small gear on the output gear shaft often mesh;
F) the terminal junction of main shaft and collar bush front end junction and output gear shaft and second level casing is equipped with seal arrangement;
G) be equipped with oil leab in first and second grade planet carrier towards planet wheel bearing.
2, the step-up gear that is used for wind-driven generator according to claim 1, it is characterized in that: four planet wheels evenly are set along first order planet carrier periphery, along second level planet carrier periphery three planet wheels are set evenly, described planet wheel often meshes with corresponding ring gear, sun gear simultaneously; Described seal arrangement comprises flinger ring, disc and dust ring, and described second level casing connects by the upper and lower casing amalgamation and by bolt.
3, the step-up gear that is used for wind-driven generator according to claim 2, it is characterized in that: adopt the helical teeth transmission between first order planet wheel, first order sun gear, the first order ring gear, splined shaft and output gear shaft adopt three bearings to be installed in parallel in the casing of the second level.
4, according to claim 1 or the 2 or 3 described step-up gears that are used for wind-driven generator, it is characterized in that: described bearing is a cylindrical roller bearing, or full roller bearing, or selfaligning roller bearing, or spheric roller bearing, or four-point contact ball, or deep groove ball bearing, or conical bearing.
5, the step-up gear that is used for wind-driven generator according to claim 4 is characterized in that: main shaft is by spheric roller bearing, or four-point contact ball, or deep groove ball bearing is supported in collar bush and first order casing; The installation bearing that second level planet carrier adopts is two single row conical bearings; Each planet wheel is by full roller bearing, or selfaligning roller bearing, or cylindrical roller bearing is installed on the planet wheel shaft; The bearing that supports splined shaft and output gear shaft is a spheric roller bearing, or four-point contact ball, or deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201313954U CN201129405Y (en) | 2007-12-17 | 2007-12-17 | Step-up gear box for wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201313954U CN201129405Y (en) | 2007-12-17 | 2007-12-17 | Step-up gear box for wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129405Y true CN201129405Y (en) | 2008-10-08 |
Family
ID=40017248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201313954U Expired - Lifetime CN201129405Y (en) | 2007-12-17 | 2007-12-17 | Step-up gear box for wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129405Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699065A (en) * | 2009-10-10 | 2010-04-28 | 宜兴市华泰国际集团工业有限公司 | Speed-increasing gearbox of wind driven generator |
| CN102959247A (en) * | 2011-04-05 | 2013-03-06 | 三菱重工业株式会社 | Renewable energy generator device and hydraulic pump attachment method |
| CN102022287B (en) * | 2009-09-22 | 2013-04-10 | 重庆永进重型机械成套设备有限责任公司 | Speed-up gearbox of vertical shaft wind turbine generator system |
| CN103791043A (en) * | 2012-10-30 | 2014-05-14 | 吴小杰 | Planetary parallel-axis transmission wind power speed increasing gearbox with bearings lubricated by grease |
| CN108590981A (en) * | 2018-04-09 | 2018-09-28 | 江苏艮德电力设备有限公司 | A kind of wind power speed-increasing gearbox and wind-driven generator |
| CN108644370A (en) * | 2018-06-28 | 2018-10-12 | 大连民族大学 | A kind of helical tooth planetary reduction gearbox of the electronic energy equation motorcycle races of FSEC |
| CN112855902A (en) * | 2021-02-25 | 2021-05-28 | 天地上海采掘装备科技有限公司 | Compact power system for internal power driven large speed ratio pump |
-
2007
- 2007-12-17 CN CNU2007201313954U patent/CN201129405Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022287B (en) * | 2009-09-22 | 2013-04-10 | 重庆永进重型机械成套设备有限责任公司 | Speed-up gearbox of vertical shaft wind turbine generator system |
| CN101699065A (en) * | 2009-10-10 | 2010-04-28 | 宜兴市华泰国际集团工业有限公司 | Speed-increasing gearbox of wind driven generator |
| CN101699065B (en) * | 2009-10-10 | 2013-03-20 | 宜兴市华泰国际集团工业有限公司 | Speed-increasing gearbox of wind driven generator |
| CN102959247A (en) * | 2011-04-05 | 2013-03-06 | 三菱重工业株式会社 | Renewable energy generator device and hydraulic pump attachment method |
| CN103791043A (en) * | 2012-10-30 | 2014-05-14 | 吴小杰 | Planetary parallel-axis transmission wind power speed increasing gearbox with bearings lubricated by grease |
| CN108590981A (en) * | 2018-04-09 | 2018-09-28 | 江苏艮德电力设备有限公司 | A kind of wind power speed-increasing gearbox and wind-driven generator |
| CN108644370A (en) * | 2018-06-28 | 2018-10-12 | 大连民族大学 | A kind of helical tooth planetary reduction gearbox of the electronic energy equation motorcycle races of FSEC |
| CN112855902A (en) * | 2021-02-25 | 2021-05-28 | 天地上海采掘装备科技有限公司 | Compact power system for internal power driven large speed ratio pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |