CN201129406Y - Step-up gear box for wind power generator - Google Patents
Step-up gear box for wind power generator Download PDFInfo
- Publication number
- CN201129406Y CN201129406Y CNU2007201313992U CN200720131399U CN201129406Y CN 201129406 Y CN201129406 Y CN 201129406Y CN U2007201313992 U CNU2007201313992 U CN U2007201313992U CN 200720131399 U CN200720131399 U CN 200720131399U CN 201129406 Y CN201129406 Y CN 201129406Y
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- CN
- China
- Prior art keywords
- gear
- shaft
- planet wheel
- output
- box body
- 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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- 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, which comprises a box body, an input planetary pinion carrier, a sun wheel, a planet wheel, a transition gear shaft and an output gear shaft, which is characterized in that the box body is formed by a torque arm, an internal ring gear, an upper box body and a lower box body, wherein the torque arm, the internal ring gear, the upper box body and the lower box body are connected by bolts, the input planetary pinion carrier, the sun wheel and a big gear wheel have a same axial center, the input planetary pinion carrier is installed among the torque arm, the upper box body and lower box body, the sun wheel shaft is connected with a spline shaft by splines, the big gear wheel is fixedly mounted on the spline shaft, the transition gear shaft and the output gear shaft are both parallel to the spline shaft and are distributed in a triangular shape, the output gear shaft, the transition gear shaft and the spline shaft are all installed between the upper box body and the lower box body by bearings, at least three planet wheel shafts are uniformly arranged on the periphery of the input planetary pinion carrier, the planet wheel is mounted on the planet wheel shaft by a bearing, the planet wheel is always simultaneously meshed with the internal ring gear and the sun wheel, one end of the output gear shaft is an output shaft, the other end is provided with a lubricating mechanical pump, and the output oil passage of the lubricating mechanical pump extends to each planet wheel bearing.
Description
Technical field
The utility model relates to gear-box, especially a kind of wind-driven generator step-up gear.
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 wind-driven generator step-up gear, comprises casing, input planet carrier, sun gear, planet wheel, transition gear axle, output gear shaft, it is characterized in that:
A) input end of casing is a toggle, and output terminal contains upper box and lower box, is provided with ring gear between toggle and the upper and lower casing, and toggle and upper box, lower box are connected by bolt with ring gear;
B) input planet carrier, sun gear, the gearwheel concentric, the input planet carrier by Bearing Installation toggle and on, between the lower box, its input end passes toggle, sun wheel shaft is connected with splined shaft by spline, gearwheel is fixedly mounted on the splined shaft, be provided with the transition gear axle of little transition gear, the output gear shaft that is provided with small gear is all parallel with splined shaft, and three is distribution triangular in shape, they all by Bearing Installation between upper box and lower box, also be provided with the great transition gear on the transition gear axle, wherein little transition gear on the transition gear axle and the gearwheel on splined shaft engagement, great transition gear on the transition gear axle and the pinion on the output gear shaft;
C) input planet carrier periphery at least evenly is provided with three planet wheel shafts, and on planet wheel shaft, planet wheel often meshes with ring gear, sun gear simultaneously planet wheel by Bearing Installation;
D) upper and lower casing is all passed at the output gear shaft two ends, and the one end is an output shaft, and the other end is provided with lubricated mechanical pump;
E) the output oil duct of lubricated mechanical pump extends to each planet wheel bearing.
In the utility model: described input planet carrier periphery is provided with four planet wheel shafts, planet wheel by Bearing Installation on planet wheel shaft.
In the utility model: transition gear axle, output gear shaft all adopt the configuration of three bearings, and wherein being positioned at output terminal one side is duplex bearing arranged side by side.
In the utility model: described bearing is cylindrical roller bearing, full roller bearing, tapered roller bearing or spheric roller bearing.
In the utility model: the input end of input planet carrier is provided with the pressure removal hole; Input planet carrier and toggle junction and output gear shaft and casing junction are equipped with seal arrangement.
In the utility model: described seal arrangement comprises flinger ring, disc and dust ring.
Advantage of the present utility model is: casing is divided into toggle, ring gear, upper box and lower box several sections, makes the gear-box dismounting convenient; Especially with the constituent element of ring gear while, not only alleviated the overall weight of gear-box as casing, and processing easily; Planet wheel adopts two full-complement cylinder roller bearings, has both increased bearing capacity, has reduced installing space again; Gear-box is provided with lubricated mechanical pump, can not only be to providing lubricant oil under any rotation of gear-box; And can adopt pressure lubrication to planet wheel bearing, so just improved the reliability of gear-box work greatly.
Description of drawings
Fig. 1 is a kind of example structure schematic representation that the utility model relates to.
Fig. 2 is a kind of embodiment's outlet side end face schematic representation that the utility model relates to.
Among the figure: 1, input planet carrier, 2, toggle, 3, planet axis, 4, planet wheel, 5, ring gear, 6, sun gear, 7, upper box, 8, lower box, 9, splined shaft, 10, gearwheel, 11, great transition gear, 12, the transition gear axle, 13, output gear shaft, 14, lubricated mechanical pump, 15, sun wheel shaft.
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, casing of the present utility model comprises toggle 2, upper box 7 and lower box 8, is provided with ring gear 5 between toggle 2 and upper box 7, the lower box 8, and toggle 2, ring gear 5, upper box 7 and lower box 8 all are connected by bolt; Input planet carrier 1, sun gear 6, gearwheel 10 three's concentrics, the input planet carrier 1 by Bearing Installation at toggle 2 and upper box 7, between the lower box 8, sun wheel shaft 15 is connected with splined shaft 9 by spline, gearwheel 10 is fixedly mounted on the splined shaft 9, be provided with the transition gear axle 12 of little transition gear, the output gear shaft 13 that is provided with small gear is all parallel with splined shaft 9, and three is distribution triangular in shape, they all by Bearing Installation between upper box 7 and lower box 8, also be provided with great transition gear 11 on the transition gear axle 12, wherein little transition gear on the transition gear axle 12 and 10 engagements of the gearwheel on the splined shaft 9, great transition gear 11 on the transition gear axle 12 and the pinion on the output gear shaft 13; It is output shaft that the two ends of output gear shaft 13 all pass lower box 8, one ends, and the other end is furnished with lubricated mechanical pump 14.In the present embodiment, input planet carrier 1 periphery evenly is provided with four planet wheels 4, and planet wheel 4 is installed on the planet wheel shaft 3 by full roller bearing, and planet wheel 4 often meshes with ring gear 5, sun gear 6 simultaneously; Lubricated mechanical pump 14 is installed on the casing, and the output oil duct of lubricated mechanical pump 14 extends to each planet wheel bearing, for gear-box provides lubricant oil; The input end of input planet carrier 1 also is provided with the pressure removal hole, and input planet carrier 1 is equipped with seal arrangement with toggle 2 junctions and output gear shaft 13 with lower box 8 junctions, and described seal arrangement comprises flinger ring, disc and dust ring.The planetary stage speed ratio is 5～6, and it is 4～5 that gearwheel and small offence are crossed gear ratio, and the speed ratio of small gear is 3～4 on great transition gear and the output gear shaft.
As seen from Figure 2, casing of the present utility model is divided into upper box 7 and lower box 8, the output shaft traversing through end subordinate casing 8 of output gear shaft 13.
During concrete enforcement, transition gear axle, output gear shaft all can adopt the configuration of three bearings, and wherein being positioned at output terminal one side is duplex bearing arranged side by side, and described bearing is cylindrical roller bearing, full roller bearing, tapered roller bearing or spheric roller bearing.
During actual the use, the kinetic energy that wind-force forms is by 1 input of input planet carrier, planet wheel 4 is rotated around sun gear 6, because planet wheel 4 often meshes with ring gear 5, sun gear 6 simultaneously, make sun gear 6 produce rotation, and pass through splined shaft 9 drive gearwheels 10 and rotate synchronously, drive output gear shafts 13 high speed rotating by transition gear axle 12, great transition gear 11 then, drive generator for electricity generation by output gear shaft 13 at last.In the time of need dismantling with wind driven generator principal shaft, can inject hydraulic oil by the pressure removal hole, the kinetic energy that wind-force is formed separates with the input end of input planet carrier 1.
Claims (6)
1, a kind of wind-driven generator step-up gear comprises casing, input planet carrier, sun gear, planet wheel, transition gear axle, output gear shaft, it is characterized in that:
A) input end of casing is a toggle, and output terminal contains upper box and lower box, is provided with ring gear between toggle and the upper and lower casing, and toggle and upper box, lower box are connected by bolt with ring gear;
B) input planet carrier, sun gear, the gearwheel concentric, the input planet carrier by Bearing Installation toggle and on, between the lower box, its input end passes toggle, sun wheel shaft is connected with splined shaft by spline, gearwheel is fixedly mounted on the splined shaft, be provided with the transition gear axle of little transition gear, the output gear shaft that is provided with small gear is all parallel with splined shaft, and three is distribution triangular in shape, they all by Bearing Installation between upper box and lower box, also be provided with the great transition gear on the transition gear axle, wherein little transition gear on the transition gear axle and the gearwheel on splined shaft engagement, great transition gear on the transition gear axle and the pinion on the output gear shaft;
C) input planet carrier periphery at least evenly is provided with three planet wheel shafts, and on planet wheel shaft, planet wheel often meshes with ring gear, sun gear simultaneously planet wheel by Bearing Installation;
D) upper and lower casing is all passed at the output gear shaft two ends, and the one end is an output shaft, and the other end is provided with lubricated mechanical pump;
E) the output oil duct of lubricated mechanical pump extends to each planet wheel bearing.
2, wind-driven generator step-up gear according to claim 1 is characterized in that: input planet carrier periphery is provided with four planet wheel shafts, planet wheel by Bearing Installation on planet wheel shaft.
3, wind-driven generator step-up gear according to claim 1 is characterized in that: transition gear axle, output gear shaft all adopt the configuration of three bearings, and wherein being positioned at output terminal one side is duplex bearing arranged side by side.
4, wind-driven generator step-up gear according to claim 1 is characterized in that: described bearing is cylindrical roller bearing, full roller bearing, tapered roller bearing or spheric roller bearing.
5, according to claim 1 or 2 or 3 or 4 described wind-driven generator step-up gears, it is characterized in that: the input end of input planet carrier is provided with the pressure removal hole; Input planet carrier and toggle junction and output gear shaft and casing junction are equipped with seal arrangement.
6, wind-driven generator step-up gear according to claim 5, it is characterized in that: described seal arrangement comprises flinger ring, disc and dust ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201313992U CN201129406Y (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 |
|---|---|---|---|
| CNU2007201313992U CN201129406Y (en) | 2007-12-17 | 2007-12-17 | Step-up gear box for wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129406Y true CN201129406Y (en) | 2008-10-08 |
Family
ID=40017249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201313992U Expired - Lifetime CN201129406Y (en) | 2007-12-17 | 2007-12-17 | Step-up gear box for wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129406Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102520A1 (en) * | 2009-03-12 | 2010-09-16 | Li Wenxiu | Dynamic generator unit |
| CN102146892A (en) * | 2011-02-17 | 2011-08-10 | 国电联合动力技术有限公司 | Variable-speed ratio wind power speed increasing box |
| WO2012156128A1 (en) * | 2011-05-19 | 2012-11-22 | Zf Friedrichshafen Ag | Wind turbine gear mechanism |
| CN101576065B (en) * | 2009-06-23 | 2013-09-04 | 吴声震 | Megawatt planet differential wind power speed increasing box |
| CN103557312A (en) * | 2011-12-13 | 2014-02-05 | 哈尔滨东安发动机（集团）有限公司 | Oil lubrication system |
| WO2015003706A1 (en) * | 2013-07-12 | 2015-01-15 | Schaeffler Technologies Gmbh & Co. Kg | Bearing arrangement for a planetary gearbox of a wind turbine |
| CN107606064A (en) * | 2017-09-18 | 2018-01-19 | 南京宁嘉机电有限公司 | Gear-box for single screw extrusion machine |
| CN108953569A (en) * | 2018-09-28 | 2018-12-07 | 三重能有限公司 | Gear case of blower method for dismounting and device |
-
2007
- 2007-12-17 CN CNU2007201313992U patent/CN201129406Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102520A1 (en) * | 2009-03-12 | 2010-09-16 | Li Wenxiu | Dynamic generator unit |
| US8708858B2 (en) | 2009-03-12 | 2014-04-29 | Wenxiu Li | Electric generator unit |
| CN101576065B (en) * | 2009-06-23 | 2013-09-04 | 吴声震 | Megawatt planet differential wind power speed increasing box |
| CN102146892A (en) * | 2011-02-17 | 2011-08-10 | 国电联合动力技术有限公司 | Variable-speed ratio wind power speed increasing box |
| CN102146892B (en) * | 2011-02-17 | 2013-03-06 | 国电联合动力技术有限公司 | Variable-speed ratio wind power speed increasing box |
| WO2012156128A1 (en) * | 2011-05-19 | 2012-11-22 | Zf Friedrichshafen Ag | Wind turbine gear mechanism |
| CN103717889A (en) * | 2011-05-19 | 2014-04-09 | Zf腓德烈斯哈芬股份公司 | Wind turbine gear mechanism |
| US8968149B2 (en) | 2011-05-19 | 2015-03-03 | Zf Friedrichshafen Ag | Wind turbine gear mechanism |
| CN103557312A (en) * | 2011-12-13 | 2014-02-05 | 哈尔滨东安发动机（集团）有限公司 | Oil lubrication system |
| WO2015003706A1 (en) * | 2013-07-12 | 2015-01-15 | Schaeffler Technologies Gmbh & Co. Kg | Bearing arrangement for a planetary gearbox of a wind turbine |
| CN107606064A (en) * | 2017-09-18 | 2018-01-19 | 南京宁嘉机电有限公司 | Gear-box for single screw extrusion machine |
| CN108953569A (en) * | 2018-09-28 | 2018-12-07 | 三重能有限公司 | Gear case of blower method for dismounting and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHSTE (Beijing) Shougao Metallurgical Engineering & Equipment Co., Ltd. Assignor: Nanjing High Speed Gear Manufacturing Co., Ltd. Contract fulfillment period: 2009.11.11 to 2015.11.10 Contract record no.: 2009110000302 Denomination of utility model: Speed-up gearbox for 6-MW wind-driven generator Granted publication date: 20081008 License type: Exclusive license Record date: 20091218 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.11.11 TO 2015.11.10; CHANGE OF CONTRACT Name of requester: CHSTE (BEIJING) SHOUGAO METALLURGICAL ENGINEERING Effective date: 20091218 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |