CN101576065B - Megawatt planet differential wind power speed increasing box - Google Patents

Megawatt planet differential wind power speed increasing box Download PDF

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Publication number
CN101576065B
CN101576065B CN2009101523602A CN200910152360A CN101576065B CN 101576065 B CN101576065 B CN 101576065B CN 2009101523602 A CN2009101523602 A CN 2009101523602A CN 200910152360 A CN200910152360 A CN 200910152360A CN 101576065 B CN101576065 B CN 101576065B
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CN
China
Prior art keywords
planet
differential
gear
speed increasing
bearing
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CN2009101523602A
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Chinese (zh)
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CN101576065A (en
Inventor
吴声震
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吴声震
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Priority to CN2009101523602A priority Critical patent/CN101576065B/en
Publication of CN101576065A publication Critical patent/CN101576065A/en
Application granted granted Critical
Publication of CN101576065B publication Critical patent/CN101576065B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04Combinations of toothed gearings only
    • F16H37/041Combinations 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 an axle (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 40-55%, 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

Megawatt planet differential wind power speed increasing box
Technical field relates to the wind power speed-increasing gearbox technical field, a kind of megawatt planet differential wind power speed increasing box.
Background technique estimates that the year two thousand twenty wind-power electricity generation amount increases to 3,000 ten thousand kW by 1,000 ten thousand kW in 2010, 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 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]≤80,6 pages in σ jmax=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 encyclopaedizes the present invention below in conjunction with accompanying drawing:
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 connections and the sky of quasi-planet, it is characterized in that:
Described 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; Described two internal gears 2,10 surperficial splines cooperate with input shaft 14 cylinder internal splines, 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 are 3, and there won't be any problem star-wheel 8 quantity are 6.
Described differential planetary gear train 11 quantity are 4, and there won't be any problem star-wheel 8 quantity are 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 star-wheel 8 both quantity one to two there won't be any problem, purpose makes the peripheral force of two groups of gear teeth close.Planet wheel is more many, and then bearing capacity is more big.
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; 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, Mechanics Calculation shows that hollow shaft has very big cavity, makes it to store sufficient lubrication oil, and 5-10 little oilhole arranged on the axle, and the oil strain material is arranged in the hole.The cleaning oil product is 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 mechanical processing technique 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.
Above-described embodiment is to explanation of the present invention, is not to limit, and scheme all belongs to protection domain of the present invention after any simple transformation.

Claims (4)

1. megawatt planet differential wind power speed increasing box, by support (1), input shaft (14) and two block bearing (C, 13), planetary differential and quasi-planet sealing combination train and parallel axes output engaging gear A and B form, described planetary differential comprises first sun gear (15), differential planetary gear train (11), first planet wheel shaft (12), first planet carrier (16) and first internal gear (10), described quasi-planet comprises second sun gear (5), star-wheel (8) there won't be any problem, second planet wheel shaft (7), secondary annulus (2) and be fixed on second planet carrier (4) on the big end cap (3), described first sun gear (15) is contained on the axle (6), first planet carrier (16) connects with second sun gear (5) and sky is enclosed within on the axle (6), thereby constituted described sealing combination train, it is characterized in that:
Number of teeth z, the modulus m of first and second internal gear (2,10) are identical, first and second internal gear (2,10) outer round surface spline cooperates with input shaft (14) cylinder internal spline, a block bearing (13) of described input shaft (14) places support (1) input end endoporus, the inner ring of another block bearing (C) and outer ring are bearing in respectively on second planet carrier (4) and the interior support plate (D), interior support plate (D) is contained between first and second internal gear (2,10), and the cylindrical of interior support plate (D) cooperates with input shaft (14) cylinder endoporus;
Differential planetary gear train (11) endoporus is bearing on first planet wheel shaft (12) with first sliding bearing (9), first planet wheel shaft (12) is hollow shaft, it is little that its hollow axis hole is two, broad in the middle, 5-10 little oilhole arranged on the axle, filtering material is arranged in the hole, there won't be any problem star-wheel (8) endoporus is bearing on second planet wheel shaft (7) with second sliding bearing (17), described second 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 second planet wheel shaft (7) opening has an oil-collecting shell (18), oil-collecting shell (18) opening upwards.
2. megawatt planet differential wind power speed increasing box according to claim 1, it is characterized in that: differential planetary gear train (11) quantity is 3, 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, it is characterized in that: differential planetary gear train (11) quantity is 4, 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, it is characterized in that: differential planetary gear train (11) is 5, there won't be any problem star-wheel (8) is 10.
CN2009101523602A 2009-06-23 2009-06-23 Megawatt planet differential wind power speed increasing box CN101576065B (en)

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

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Application Number Priority Date Filing Date Title
CN2009101523602A CN101576065B (en) 2009-06-23 2009-06-23 Megawatt planet differential wind power speed increasing box

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CN101576065A CN101576065A (en) 2009-11-11
CN101576065B true CN101576065B (en) 2013-09-04

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Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2476462B (en) * 2009-12-18 2013-07-31 Romax Technology Ltd Gear box arrangements
CN101929525B (en) * 2010-02-10 2012-11-07 吴声震 Shaft-mounted type quasi-planetary speed reducer
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
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
JP5622716B2 (en) * 2011-12-28 2014-11-12 三菱重工業株式会社 Planetary gear device and wind power generator
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
CN104295721A (en) * 2014-08-06 2015-01-21 吴小杰 Planet differential speed reducer of zinc base alloy bearing supporting output shaft
CN104265843A (en) * 2014-08-06 2015-01-07 吴小杰 Planetary reducer with output shaft supported by zinc-based alloy bearings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1450040A1 (en) * 2003-02-18 2004-08-25 General Electric Company Gearbox for wind turbine
EP1544504A2 (en) * 2003-12-19 2005-06-22 Winergy AG Planetary transmission, in particular for wind power plant
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1450040A1 (en) * 2003-02-18 2004-08-25 General Electric Company Gearbox for wind turbine
EP1544504A2 (en) * 2003-12-19 2005-06-22 Winergy AG Planetary transmission, in particular for wind power plant
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

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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

CB03 Change of inventor or designer information

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

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CF01 Termination of patent right due to non-payment of annual fee