CN101576065A - Megawatt planet differential wind power speed increasing box - Google Patents
Megawatt planet differential wind power speed increasing box Download PDFInfo
- Publication number
- CN101576065A CN101576065A CNA2009101523602A CN200910152360A CN101576065A CN 101576065 A CN101576065 A CN 101576065A CN A2009101523602 A CNA2009101523602 A CN A2009101523602A CN 200910152360 A CN200910152360 A CN 200910152360A CN 101576065 A CN101576065 A CN 101576065A
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- planet
- differential
- gear
- wind power
- speed increasing
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- 241000239290 Araneae Species 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 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
- 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
Abstract
A megawatt planet differential wind power speed increasing box of the invention is composed of a frame, an input shaft and a bearing, a differential, a quasi-planet and parallel shaft output engaging teeth A and B; wherein the planet differential comprise a sun gear (15), a planet gear (11), a planet carrier (16) and a ring gear (10); the quasi-planet comprises the sun gear (15) cohered with the planet carrier, quasi-planet gears (8), a planet axel (7) and a rack (4); wherein the differential sun gear (15) is arranged at a gear (6), the planet carrier (16) is connected with a sun gear (5) of the quasi-planet and is sheathed at the gear (6) in the air. The speed increasing box is characterized in that: (a) the two engaging teeth both have identical number of teeth z and modulus m; (b) the splines of the surfaces of the excircles of the two engaging teeth match with splines in a cylinder of an input shaft (14). The speed increasing box has the following benefits: assembly and disassembly are convenient, thus being capable of being overhauled aloft; the weight is reduced by 45-55%, the machining process is good and the cost is low; the efficiency eta is the same as planet plus dead axle and is higher than the efficiency of 'duplicident four-stage speed increasing'.
Description
Technical field
Relate to the wind power speed-increasing gearbox technical field, a kind of megawatt planet differential wind power speed increasing box.
Background technique
Estimate that the year two thousand twenty wind-power electricity generation amount increases to 3,000 ten thousand kW by 2010 1000 ten thousand kW, needs nearly 20000 of 1.5MW speedup box, about 200 hundred million of the output value.Huge quantity like this, service condition are again very harsh, obviously, state-of-the-art gear-box should be light as far as possible, disassemble or assemble are convenient can be in the high-altitude overhaul.Background technique has two classes: (one) NGW planet+dead axle, 1 of patent of invention, novel 12; NGW quasi-planet+dead axle, novel 2, as heavy tooth company " Gear Planet Transmission wind power generation gear case " (03237681).Main existing problems: (a) gear-box is heavy, the price height; (b) the essential import of full complement bearing, valency is expensive, period of subscription is long; (c) disassemble or assemble difficulty during overhaul must winch to ground; (2) weigh tooth company: " differential type epicyclic gearbox " (0720125000) is a kind of structure the most novel in the modern wind power speed-increasing gearbox: NGW planet+quasi-planet+planetary differential+parallel axes.This model utility purpose is: the power weight that reduces gear-box unit.Advantage is: the one-level planet transmits the load of 60-70%, and secondary planet is transmitted the load of 30-40%.Existing problems are: (a) the big ring gear of the input stage harm that is also used as casing is the thermal distortion of big casing, the intensity that stress deformation all can reduce thin-wall annular gear; (b) complex structure, process for machining difficulty are big, as big casing (15); (c) level Four speedup, efficiency eta are lower than existing NGW planet+ordinary transmission, and axial dimension is long.
Summary of the invention
The object of the invention be to provide a kind of disassemble or assemble convenient, can be at high-altitude overhaul, in light weight, megawatt planet differential wind power speed increasing box that the manufacturing process difficulty is lower than external type.
Technological scheme (one) adopts planetary differential and quasi-planet sealing combination train, the number of teeth z of two internal gears, modulus m all equate in the train: adorn, when tearing open, two lateral tooth flanks of internal gear have just become " oily guide rail is arranged ", make to be contained on the big end cap that tooth of planet can advance, pull out along the guide rail leicht fallen D/A in the driving component; (2) internal gear and input shaft sleeve splined, thereby can easily pull down, clean or keep in repair or change; (3) be sliding bearing in the planet wheel, spider gear shaft is a hollow shaft, and oil storage is through little oilhole lubrication friction face in the axle.Replace rolling bearing system with sliding bearing and roll up the 3.21-4 page or leaf according to following mechanical monumental work: (1) Wang Wenbin " mechanical design handbook ": plain bearing is simple in structure, easily manufactured, bearing capacity is big, but high stability is poor, easily bad student's oil whip; (2) " 492 pages of practical bearing technology handbook: under normal state, the sliding bearing abrasion rate is very low to Bu Yan; (3) " 349 pages of practical bearing technology handbook: the aeroengine main bearing adopts general sliding bearing to Bu Yan, its parameter: [p]=12-22MPa, [v]=8-10m/s, [pv]≤80, σ
Jmax6 pages in=550MPa (4) Cheng Daxian " mechanical design handbook " bearing separate edition: during cast zinc alloy is mainly used in, low speed (≤7-10m/s), the heavy duty sliding bearing of working under (25-30MPa) condition.
Beneficial effect (one) disassemble or assemble are convenient, can be in the high-altitude overhaul; (2) 40-55% in light weight, mechanical processing technique is good, cost is low; (3) efficiency eta is identical with planet+dead axle, than " heavy tooth " level Four speedup height.
Description of drawings
Fig. 1, embodiment of the invention structural representation
Fig. 2, the structural representation of planet wheel parts in the planetary differential among the embodiment
Fig. 3, the structural representation of planet wheel parts in the quasi-planet among the embodiment
Embodiment
Below in conjunction with accompanying drawing the present invention is encyclopaedized:
With reference to Fig. 1,2 and 3, a kind of megawatt planet differential wind power speed increasing box, be made up of support (1), input shaft (14) and bearing (13), differential, quasi-planet and parallel axes output engaging tooth A and B, wherein: planetary differential comprises sun gear (15), planet wheel (11), planet wheel shaft (12), planet carrier (16) and internal gear (10); Quasi-planet comprise the sun gear (5) that connects with planet carrier, there won't be any problem star-wheel (8), spider gear shaft (7), be fixed on the frame (4) on the big end cap (3), wherein: differential sun gear (15) is contained on the axle (6), planet carrier (16) is enclosed within on the axle (6) with sun gear (5) connection and the sky of quasi-planet, it is characterized in that: (a) internal gear (2) is all identical with (10) number of teeth z, modulus m, thereby disassemble or assemble are very convenient: during with the big end cap of top lifting screw disassembling, two lateral tooth flanks of two internal tooths have become to have oily guide rail, and two groups of tooth of planet are easily pulled out along the tooth guide rail; Otherwise, be contained in that two big parts are pushed into along the tooth guide rail on the big end cap; (b) two internal gears (2), surperficial spline cooperate with input shaft (14) cylinder internal spline, thereby easily disassemble or assemble of internal gear.Therefore, cleanings such as all big small gears, bearing, replacing all can be carried out in the high-altitude, and overhaul needn't winch to ground.
Described differential planetary gear train (11) quantity is 3, and there won't be any problem star-wheel (8) quantity is 6.
Described differential planetary gear train (11) quantity is 4, and there won't be any problem star-wheel (8) quantity is 8.
Described differential planetary gear train (11) is 5, and there won't be any problem star-wheel (8) is 10.
Differential planetary gear train (11) and both quantity one to two of star-wheel (8) there won't be any problem, purpose makes the peripheral force of two groups of gear teeth close.Planet wheel is many more, and then bearing capacity is big more.
Be sliding bearing (17) in the described there won't be any problem star-wheel (8), spider gear shaft (7) be outer big in little blind hole axle, 5-10 little oilhole arranged on the axle, in the axle filtering lubricant oil material is housed, facing opening has an oil-collecting shell (18), opening makes progress.The oil-collecting shell gathers the oil droplet that splashes, and makes the slip surface sufficient lubrication through little oilhole, has improved the working life of bearing greatly; In the differential planetary gear train (11) is sliding bearing (9), the hollow shaft of planet wheel shaft (12) for being small at both ends and big in the middle, Mechanics Calculation shows that hollow shaft has very big cavity, makes it to store sufficient lubrication oil, 5-10 little oilhole arranged on the axle, the filtering lubricant oil material is arranged in the hole.The cleaning oil product is a sliding bearing long lifetime key factor.
In two block bearings of input shaft (14): bearing (3) places support input end endoporus; The inside and outside circle of bearing C is bearing in respectively on frame (4) and the interior support plate D, and interior support plate places between two internal gears and cylindrical cooperates with input shaft cylinder endoporus, and freely supported structure has improved the flexural strength of input shaft.The cylinder of input shaft and dress internal gear is one when whole, and is in light weight, bearing capacity is big, but the process for machining difficulty is bigger; As be assembling type, technology difficulty is much smaller, but assembling bothers, heavier, yielding, mechanical strength reduction.
The present invention pulls down the planetary differential parts when pulling down gear A and B, and sun gear (5) connects with output shaft (6), the quasi-planet speedup box, speed increasing ratio i=5-10 is used for one-level quasi-planet speedup+magneto type.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (6)
1, a kind of megawatt planet differential wind power speed increasing box, be made up of support (1), input shaft (14) and bearing (13), differential, quasi-planet and parallel axes output engaging gear A and B, wherein: planetary differential comprises sun gear (15), planet wheel (11), planet wheel shaft (12), planet carrier (16) and internal gear (10); Quasi-planet comprise sun gear (5), there won't be any problem star-wheel (8), spider gear shaft (7), be fixed on the planet carrier (4) on the big end cap (3), wherein: sun gear (15) is contained on the axle (6), planet carrier (16) and sun gear (5) connect and sky is enclosed within on the axle (6), it is characterized in that: (one) two internal gear (2), (10) number of teeth z, modulus m are identical; (2) internal gear (2) (10) outer round surface spline cooperates with input shaft (14) cylinder internal spline.
2, megawatt planet differential wind power speed increasing box according to claim 1 is characterized in that: differential planetary gear train (11) quantity is 3, and there won't be any problem star-wheel (8) quantity is 6.
3, megawatt planet differential wind power speed increasing box according to claim 1 is characterized in that: differential planetary gear train (11) quantity is 4, and there won't be any problem star-wheel (8) quantity is 8.
4, megawatt planet differential wind power speed increasing box according to claim 1 is characterized in that: differential planetary gear train (11) is 5, and there won't be any problem star-wheel (8) is 10.
5, according to claim 2 or 3 or 4 described MW class differential planetary wind power speed-increasing gearboxes, it is characterized in that: (a) there won't be any problem star-wheel (8) is interior is sliding bearing (17), planet wheel shaft (7) be outer big in little blind hole axle, 5-10 little oilhole arranged on the axle, filtering material is housed in the hole, in the face of the planet wheel shaft opening has an oil-collecting shell (18), the oil-collecting shell opener upwards; (b) be sliding bearing (9) in the differential planetary gear train (11), the hollow shaft of planet wheel shaft (12) for being small at both ends and big in the middle has 5-10 little oilhole on the axle, filtering material is arranged in the hole.
6, MW class differential planetary wind power speed-increasing gearbox according to claim 5, it is characterized in that: the block bearing (13) of input shaft (14) places support input end endoporus, the inside and outside circle of another bearing C is bearing in respectively on frame (4) and the interior support plate D, interior support plate is contained between internal gear (2), (10), and cylindrical cooperates with input shaft cylinder endoporus
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101523602A CN101576065B (en) | 2009-06-23 | 2009-06-23 | Megawatt planet differential wind power speed increasing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101523602A CN101576065B (en) | 2009-06-23 | 2009-06-23 | Megawatt planet differential wind power speed increasing box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101576065A true CN101576065A (en) | 2009-11-11 |
| CN101576065B CN101576065B (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101523602A Expired - Fee Related CN101576065B (en) | 2009-06-23 | 2009-06-23 | Megawatt planet differential wind power speed increasing box |
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| CN (1) | CN101576065B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929525A (en) * | 2010-02-10 | 2010-12-29 | 吴声震 | Shaft-mounted type quasi-planetary speed reducer |
| CN102032127A (en) * | 2010-12-20 | 2011-04-27 | 哈尔滨国海星轮传动有限公司 | Vertical-shaft wind power generation gearbox |
| CN102312961A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Planetary differential speed reducer for earth pressure balance shield machine |
| CN102312955A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Braking-type closed planet reducer for mine hoist |
| CN102312953A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Closed planet reducer of earth pressure balance shield machine |
| CN102312962A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Bevel gear-planetary differential large-transmission-ratio speed reducer for mining mill |
| CN102401106A (en) * | 2010-12-10 | 2012-04-04 | 吴声震 | Megawatt-level closed planet differential motion wind power speed increasing box |
| CN102537219A (en) * | 2011-12-14 | 2012-07-04 | 中航黎明锦西化工机械(集团)有限责任公司 | Center gear floating planetary gear reducer |
| CN103185132A (en) * | 2011-12-28 | 2013-07-03 | 三菱重工业株式会社 | Planetary gear and wind power generation device |
| 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 |
| CN103899500A (en) * | 2009-12-18 | 2014-07-02 | 诺迈士科技有限公司 | Gear box and module thereof, shaft, wind turbine, and assembling method thereof |
| CN104265843A (en) * | 2014-08-06 | 2015-01-07 | 吴小杰 | Planetary reducer with output shaft supported by zinc-based alloy bearings |
| CN104295721A (en) * | 2014-08-06 | 2015-01-21 | 吴小杰 | Planet differential speed reducer of zinc base alloy bearing supporting output shaft |
| CN104728349A (en) * | 2014-06-28 | 2015-06-24 | 吴小杰 | Box body interlayer air cooling high thermal power differential planetary reduction box |
| CN104728352A (en) * | 2014-06-28 | 2015-06-24 | 吴小杰 | Box body interlayer water cooling high thermal power differential planetary reduction box |
| CN112901424A (en) * | 2021-04-02 | 2021-06-04 | 山东双冠机械有限公司 | Large-scale wind-powered electricity generation gear drive system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7008348B2 (en) * | 2003-02-18 | 2006-03-07 | General Electric Company | Gearbox for wind turbine |
| DE10360693A1 (en) * | 2003-12-19 | 2005-07-14 | Winergy Ag | Planetary gear, especially for wind turbines |
| CN2739383Y (en) * | 2004-10-12 | 2005-11-09 | 南京高速齿轮制造有限公司 | Wind-pill generator speed increasing gearbox |
| CN201071904Y (en) * | 2007-08-20 | 2008-06-11 | 重庆齿轮箱有限责任公司 | Differential epicyclic gear box |
| CN201129406Y (en) * | 2007-12-17 | 2008-10-08 | 南京高速齿轮制造有限公司 | Step-up gear box for wind power generator |
-
2009
- 2009-06-23 CN CN2009101523602A patent/CN101576065B/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899500A (en) * | 2009-12-18 | 2014-07-02 | 诺迈士科技有限公司 | Gear box and module thereof, shaft, wind turbine, and assembling method thereof |
| CN103899500B (en) * | 2009-12-18 | 2018-01-19 | 诺迈士科技有限公司 | Gear box structure and its module, axle, wind-driven generator and assemble method |
| CN101929525B (en) * | 2010-02-10 | 2012-11-07 | 吴声震 | Shaft-mounted type quasi-planetary speed reducer |
| CN101929525A (en) * | 2010-02-10 | 2010-12-29 | 吴声震 | Shaft-mounted type quasi-planetary speed reducer |
| CN102401106A (en) * | 2010-12-10 | 2012-04-04 | 吴声震 | Megawatt-level closed planet differential motion wind power speed increasing box |
| CN102401106B (en) * | 2010-12-10 | 2014-07-30 | 吴声震 | Megawatt-level closed planet differential motion wind power speed increasing box |
| CN102032127B (en) * | 2010-12-20 | 2012-08-08 | 哈尔滨国海星轮传动有限公司 | Vertical-shaft wind power generation gearbox |
| CN102032127A (en) * | 2010-12-20 | 2011-04-27 | 哈尔滨国海星轮传动有限公司 | Vertical-shaft wind power generation gearbox |
| CN102312962A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Bevel gear-planetary differential large-transmission-ratio speed reducer for mining mill |
| CN102312953A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Closed planet reducer of earth pressure balance shield machine |
| CN102312955A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Braking-type closed planet reducer for mine hoist |
| CN102312961A (en) * | 2011-03-01 | 2012-01-11 | 吴小杰 | Planetary differential speed reducer for earth pressure balance shield machine |
| CN102537219A (en) * | 2011-12-14 | 2012-07-04 | 中航黎明锦西化工机械(集团)有限责任公司 | Center gear floating planetary gear reducer |
| CN103185132A (en) * | 2011-12-28 | 2013-07-03 | 三菱重工业株式会社 | Planetary gear and wind power generation device |
| 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 |
| CN104728349A (en) * | 2014-06-28 | 2015-06-24 | 吴小杰 | Box body interlayer air cooling high thermal power differential planetary reduction box |
| CN104728352A (en) * | 2014-06-28 | 2015-06-24 | 吴小杰 | Box body interlayer water cooling high thermal power differential planetary reduction box |
| CN104265843A (en) * | 2014-08-06 | 2015-01-07 | 吴小杰 | Planetary reducer with output shaft supported by zinc-based alloy bearings |
| CN104295721A (en) * | 2014-08-06 | 2015-01-21 | 吴小杰 | Planet differential speed reducer of zinc base alloy bearing supporting output shaft |
| CN112901424A (en) * | 2021-04-02 | 2021-06-04 | 山东双冠机械有限公司 | Large-scale wind-powered electricity generation gear drive system |
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| Publication number | Publication date |
|---|---|
| CN101576065B (en) | 2013-09-04 |
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Address after: 225401 Taixing, Sichuan Province, North Sichuan Road, No. 88, No. Patentee after: Wu Shengzhen Address before: 325400 Zhejiang province Pingyang Kunyang town Whitehead Street No. four building 761 room Patentee before: Wu Shengzhen |
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Inventor after: Yang Lin Inventor before: Wu Shengzhen |
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Effective date of registration: 20170424 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee after: Guangdong Gaohang Intellectual Property Operation Co., Ltd. Address before: 225401 Taixing, Sichuan Province, North Sichuan Road, No. 88, No. Patentee before: Wu Shengzhen |
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Effective date of registration: 20170626 Address after: 226000, Jiangsu, Nantong province Tongzhou District Ping Town Industrial Concentration Area Patentee after: "NANTONG CITY TONGZHOU DISTRICT BIAOYANG TEXTILE CO., LTD." Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee before: Guangdong Gaohang Intellectual Property Operation Co., Ltd. |
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Granted publication date: 20130904 Termination date: 20180623 |