CN103148169A - Step-up gear box for wind power generator - Google Patents
Step-up gear box for wind power generator Download PDFInfo
- Publication number
- CN103148169A CN103148169A CN2013100852613A CN201310085261A CN103148169A CN 103148169 A CN103148169 A CN 103148169A CN 2013100852613 A CN2013100852613 A CN 2013100852613A CN 201310085261 A CN201310085261 A CN 201310085261A CN 103148169 A CN103148169 A CN 103148169A
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- China
- Prior art keywords
- gear
- roller bearing
- half section
- planet carrier
- casing
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention belongs to the field of mechanical transmission, and relates to a step-up gear box, in particular to a step-up gear box for wind power generation. A connecting flange of the step-up gear box is in interference with a front half section of a planetary carrier through a spline; cylindrical matching faces are in interference connection with each other to transmit loads; the cylindrical faces are in interference connection with each other, so that a spline pair is not influenced by a bending moment, and only a torque is transmitted; the spline pair adopts the interference connection, so that the problem that adverse factors such as opposite friction among keys and teeth influence the service life of the spline is solved during power transmission; a planetary gear train adopts a composite planetary gear train, so that the weight of the gear box is reduced, the quantity of bearings is reduced, and the processing and manufacturing costs of the gear box are lowered; the quantity of gear meshing pairs is reduced; and the transmission efficiency of the gear box is improved greatly.
Description
Technical field
The present invention relates to a kind of step-up gear, specifically relate to a kind of step-up gear for wind-power electricity generation, it belongs to mechanical transmission fields.
Background technique
Growing along with economy, the energy and environment problem is also day by day serious.Particularly energy problem has become the focus that people pay close attention to; Wherein the development and utilization of renewable energy sources is the most important thing in energy problem.Wind energy is as a kind of renewable energy sources, and it is white-hot that the competition of its development and utilization has reached.Step-up gear is as the requisite constituent element of wind-power electricity generation, and people require also in continuous raising it.At present, generally use in wind power plant gear-box its adopt two-stage NGW Gear Planet Transmission and the one-level driving of parallel axes, the problem such as the quantity of Heavy Weight, bearing that exists gear-box is many, manufacturing cost gear-box is high, transmission efficiency is low.
Summary of the invention
Problem in view of existing equipment exists the objective of the invention is to provide a kind of step-up gear for wind-driven generator, and it adopts compound planetary train (NW type), to realize the low and low cost of manufacture of gear-box weight.
To achieve these goals, the technical solution adopted in the present invention is the step-up gear for wind-driven generator, and it mainly is comprised of the speed booster driving mechanism that casing, one-level compound planetary train and the series connection of one-level ordinary transmission consist of; Described casing comprises: front casing, middle casing and rear box, and front casing, middle casing and rear box are bolted and are integrated; Front casing is provided with auxiliary hole, and it facilitates the installation and removal of guide and the first bolt; Described compound planetary train comprises planet carrier first half section, planet carrier second half section, ring gear, planet wheel shaft and planet wheel, described planet carrier first half section and planet carrier second half section connect as one by guide and the first connecting bolt and the second connecting bolt, planet carrier first half section is by spline and the interference of adpting flange spline, the adpting flange front end is fixed by round nut, carries out axial locking; The adpting flange place is provided with the input end selfaligning roller bearing, and selfaligning roller bearing is fixed by bearing (ball) cover between planet carrier first half Duan Yuqian casing; Be provided with the first roller bearing between planet carrier second half section and middle casing, planet wheel shaft is meshed with ring gear, and planet wheel shaft is connected with planet wheel, forms duplex-gear, and planet wheel shaft two ends are respectively equipped with the second roller bearing and three cylindrical roller bearing; The speed booster driving mechanism that described one-level ordinary transmission series connection consists of comprises: gearwheel and high speed shaft; Planet wheel is meshed with sun gear, realizes the speedup transmission of the first order; Sun gear is connected by spline with gearwheel, is meshed through gearwheel and high speed shaft, realizes final stage dead axle speedup; The high speed shaft end is provided with end cap; Described high speed shaft is by Dan Lieyuan post Roll bearing and a circle cone Roll bearing and the support of the second tapered roller bearing; The one circle cone Roll bearing and the second tapered roller bearing are by butterfly spring level pressure pretension, and bearing support is bolted and is fixed on rear box.
Described adpting flange is provided with the high pressure oil hole.
Described planet carrier first half section is connected by the spline interference with adpting flange, and the first cylindrical fit face be connected the interference of cylindrical fit face and connect.
Described planet axis first half section and input shaft are solidified as a whole.
Described input end selfaligning roller bearing, the first tapered roller bearing and the second tapered roller bearing adopt mazy noncontact seal, and it is provided with spill port.
A described circle cone Roll bearing and the second tapered roller bearing adopt small one and large one configuration.
Described planet carrier adopts the alloy cast steel material, and described casing adopts the anti-low-temperature ball spheroidal graphite cast iron of high strength.
Working principle of the present invention is:
Power is inputted by adpting flange, reach planet carrier first half section and planet carrier second half section through spline joint, drive the engagement of planet wheel shaft and ring gear, planet wheel shaft is connected with the planet wheel interference, forms duplex-gear, by planet wheel and sun gear engagement, realize the speedup transmission of the first order, sun gear and gearwheel splined, power is exported through high speed shaft after final stage dead axle speedup.
The invention has the advantages that:
1, adpting flange and planet carrier first half section be by the spline interference, and the interference of cylindrical fit face connects to come transmitted load, and wherein the interference of cylndrical surface connects, and guarantees that spline pair is not subjected to the impact of moment of flexure, a transmitting torque; Spline pair adopts interference to connect, and avoids in the power transmission process, and the key tooth of appearance is the disadvantageous factor such as friction relatively, affects the problem in the working life of spline;
2, planetary gear train adopts the compound planetary train to alleviate the weight of gear-box, has reduced the quantity of bearing, thereby has reduced the manufacturing cost of gear-box, and reduced the quantity of gear engagement pair, has greatly improved the transmission efficiency of gear-box;
3, planet carrier is divided into first half section and second half section, by guide and Bolt Connection, on front casing, auxiliary hole is set, and facilitates the installation and removal of guide and bolt; Ring gear and front casing are by splined, and the end positions by back-up ring and stop block, and spline has adopted drum type tooth and the accurate correction of the flank shape with compensating action, and circumferencial direction has been processed circular groove, is convenient to lubrication and cooling key tooth;
In sum, the present invention has lightweight, and economic performance is good, has reduced simultaneously the advantage to the bearing load of mainframe.
Description of drawings
Fig. 1 is structural representation of the present invention;
in figure: 1, round nut, 2, adpting flange, 3, bearing (ball) cover, 4, Tiao Xin Roll bearing 5, front casing 6, planet carrier first half section, 7, ring gear, 8, guide, 9, the first connecting bolt, 10, the planet carrier second half section, 11, the second connecting bolt, 12, the one circle post Roll bearing, 13, middle casing, 14, rear box, 15, Dan Lieyuan post Roll bearing, 16, high speed shaft, 17, bearing support, 18, the one circle cone Roll bearing, 19, the 2nd circle cone Roll bearing, 20, the high speed shaft end cap, 21 locking nuts, 22, butterfly spring, 23, gearwheel, 24, sun gear, 25, the 2nd circle post Roll bearing, 26, planet wheel, 27, planet wheel shaft, 28, the 2nd circle post Roll bearing, 29, the first cylindrical fit face, 30, the second cylindrical fit face.
Embodiment
In order further to understand the step-up gear that this is used for wind-driven generator, 1 be described as follows by reference to the accompanying drawings.
It mainly is comprised of the speed booster driving mechanism that casing, one-level compound planetary train and the series connection of one-level ordinary transmission consist of; Described casing comprises: front casing 5, middle casing 13 and rear box 14, and front casing 5, middle casing 13 and rear box 14 are bolted and are integrated; Front casing 5 is provided with auxiliary hole, and it facilitates the installation and removal of guide 8 and the first bolt 9; Described compound planetary train comprises planet carrier first half section 6, planet carrier second half section 10, ring gear 7, planet wheel shaft 27 and planet wheel 26, described planet carrier first half section 6 and planet carrier second half section 10 connect as one by guide 8 and the first lock bolt 9 and the second lock bolt 11, planet carrier first half section 6 is by spline and adpting flange 2 spline interference, adpting flange 2 front ends are fixing by round nut 1, carry out axial locking; Adpting flange 2 places are provided with input end selfaligning roller bearing 4, and selfaligning roller bearing 4 is fixing by bearing (ball) cover 3 between planet carrier first half section 6 and front casing 5; Be provided with the first roller bearing 12 between planet carrier second half section 10 and middle casing 13, planet wheel shaft 27 is meshed with ring gear 7, planet wheel shaft 27 is connected with planet wheel 26, forms duplex-gear, and planet wheel shaft two ends are respectively equipped with the second roller bearing 25 and three cylindrical roller bearing 28; The speed booster driving mechanism that described one-level ordinary transmission series connection consists of comprises: gearwheel 23 and high speed shaft 16; Planet wheel 26 is meshed with sun gear 24, realizes the speedup transmission of the first order; Sun gear 24 is connected by spline with gearwheel 23, is meshed through gearwheel 23 and high speed shaft 16, realizes final stage dead axle speedup; High speed shaft 16 ends are provided with end cap 20; Described high speed shaft is by Dan Lieyuan post Roll bearing 15 and a circle cone Roll bearing 18 and the second tapered roller bearing 19 supports; The one circle cone Roll bearing 18 and the second tapered roller bearing 19 are by butterfly spring 22 level pressure pretensions, and bearing support 17 is bolted and is fixed on rear box 14.
Described adpting flange is provided with the high pressure oil hole.
Described planet carrier first half section 6 is connected by the spline interference with adpting flange 2, and the first cylindrical fit face 29 be connected 30 interference of cylindrical fit face and connect.
Described planet axis first half section 6 is solidified as a whole with input shaft.
Described input end selfaligning roller bearing, the first tapered roller bearing 18 and the second tapered roller bearing 19 adopt contact-type sealing in mazy minute, and it is provided with spill port.
A described circle cone Roll bearing 18 and the second tapered roller bearing 19 adopt small one and large one configuration.
Claims (7)
1. be used for the step-up gear of wind-driven generator, it mainly is comprised of the speed booster driving mechanism that casing, one-level compound planetary train and the series connection of one-level ordinary transmission consist of; Described casing comprises: front casing, middle casing and rear box, and front casing, middle casing and rear box are bolted and are integrated; Front casing is provided with auxiliary hole, and it facilitates the installation and removal of guide and the first bolt; Described compound planetary train comprises planet carrier first half section, planet carrier second half section, ring gear, planet wheel shaft and planet wheel, described planet carrier first half section and planet carrier second half section connect as one by guide and the first connecting bolt and the second connecting bolt, planet carrier first half section is by spline and the interference of adpting flange spline, the adpting flange front end is fixed by round nut, carries out axial locking; The adpting flange place is provided with the input end selfaligning roller bearing, and selfaligning roller bearing is fixed by bearing (ball) cover between planet carrier first half Duan Yuqian casing; Be provided with the first roller bearing between planet carrier second half section and middle casing, planet wheel shaft is meshed with ring gear, and planet wheel shaft is connected with planet wheel, forms duplex-gear, and planet wheel shaft two ends are respectively equipped with the second roller bearing and three cylindrical roller bearing; The speed booster driving mechanism that described one-level ordinary transmission series connection consists of comprises: gearwheel and high speed shaft; Planet wheel is meshed with sun gear, realizes the speedup transmission of the first order; Sun gear is connected by spline with gearwheel, is meshed through gearwheel and high speed shaft, realizes final stage dead axle speedup; The high speed shaft end is provided with end cap; Described high speed shaft is by Dan Lieyuan post Roll bearing and a circle cone Roll bearing and the support of the second tapered roller bearing; The one circle cone Roll bearing and the second tapered roller bearing are by butterfly spring level pressure pretension, and bearing support is bolted and is fixed on rear box.
2.
According to claim 1Be used for the step-up gear of wind-driven generator, it is characterized in that: described adpting flange is provided with the high pressure oil hole.
3.
According to claim 1Be used for the step-up gear of wind-driven generator, it is characterized in that: described planet carrier first half section is connected by the spline interference with adpting flange, and the first cylindrical fit face be connected cylindrical fit face interference connection.
4.
According to claim 1Be used for the step-up gear of wind-driven generator, it is characterized in that: described planet axis first half section and input shaft are solidified as a whole.
5.
According to claim 1Be used for the step-up gear of wind-driven generator, it is characterized in that: described input end selfaligning roller bearing, the first tapered roller bearing and the second tapered roller bearing adopt mazy noncontact seal, and it is provided with spill port.
6.
According to claim 1Be used for the step-up gear of wind-driven generator, it is characterized in that: a described circle cone Roll bearing and the second tapered roller bearing adopt small one and large one configuration.
7.
According to claim 1Be used for the step-up gear of wind-driven generator, it is characterized in that: described planet carrier adopts the alloy cast steel material, and described casing adopts the anti-low-temperature ball spheroidal graphite cast iron of high strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100852613A CN103148169A (en) | 2013-03-18 | 2013-03-18 | Step-up gear box for wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100852613A CN103148169A (en) | 2013-03-18 | 2013-03-18 | Step-up gear box for wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148169A true CN103148169A (en) | 2013-06-12 |
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ID=48546416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100852613A Pending CN103148169A (en) | 2013-03-18 | 2013-03-18 | Step-up gear box for wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148169A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363083A (en) * | 2013-08-07 | 2013-10-23 | 重庆望江工业有限公司 | Planetary frame for large wind power gear box |
| CN106837703A (en) * | 2017-04-13 | 2017-06-13 | 泗阳高传电机制造有限公司 | Half-direct-drive wind driven generator |
| CN110608272A (en) * | 2019-09-04 | 2019-12-24 | 广东广顺新能源动力科技有限公司 | High-efficiency low-loss multistage speed increasing mechanism with compact structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533694B1 (en) * | 2000-09-26 | 2003-03-18 | Deere & Company | Hydro mechanical transmission planetary carrier support system |
| CN2649869Y (en) * | 2003-09-29 | 2004-10-20 | 重庆齿轮箱有限责任公司 | Planetary-drive wind-power generating speed increasing box |
| CN2661956Y (en) * | 2003-06-10 | 2004-12-08 | 杭州前进齿轮箱集团有限公司 | Wind electricity connecting shaft speed increasing box |
| CN201367986Y (en) * | 2009-02-13 | 2009-12-23 | 南京高速齿轮制造有限公司 | Acceleration gearbox for wind-driven generator |
| CN203230798U (en) * | 2013-03-18 | 2013-10-09 | 大连新氏传动科技有限公司 | Speed-up gearbox for wind driven generator |
-
2013
- 2013-03-18 CN CN2013100852613A patent/CN103148169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533694B1 (en) * | 2000-09-26 | 2003-03-18 | Deere & Company | Hydro mechanical transmission planetary carrier support system |
| CN2661956Y (en) * | 2003-06-10 | 2004-12-08 | 杭州前进齿轮箱集团有限公司 | Wind electricity connecting shaft speed increasing box |
| CN2649869Y (en) * | 2003-09-29 | 2004-10-20 | 重庆齿轮箱有限责任公司 | Planetary-drive wind-power generating speed increasing box |
| CN201367986Y (en) * | 2009-02-13 | 2009-12-23 | 南京高速齿轮制造有限公司 | Acceleration gearbox for wind-driven generator |
| CN203230798U (en) * | 2013-03-18 | 2013-10-09 | 大连新氏传动科技有限公司 | Speed-up gearbox for wind driven generator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363083A (en) * | 2013-08-07 | 2013-10-23 | 重庆望江工业有限公司 | Planetary frame for large wind power gear box |
| CN103363083B (en) * | 2013-08-07 | 2016-08-24 | 重庆望江工业有限公司 | A kind of large-scale wind electricity gear-box planet carrier |
| CN106837703A (en) * | 2017-04-13 | 2017-06-13 | 泗阳高传电机制造有限公司 | Half-direct-drive wind driven generator |
| CN106837703B (en) * | 2017-04-13 | 2019-12-10 | 南京高传机电自动控制设备有限公司 | semi-direct-drive wind driven generator |
| CN110608272A (en) * | 2019-09-04 | 2019-12-24 | 广东广顺新能源动力科技有限公司 | High-efficiency low-loss multistage speed increasing mechanism with compact structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20160824 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |