CN108953505A - A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group - Google Patents
A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group Download PDFInfo
- Publication number
- CN108953505A CN108953505A CN201810828301.1A CN201810828301A CN108953505A CN 108953505 A CN108953505 A CN 108953505A CN 201810828301 A CN201810828301 A CN 201810828301A CN 108953505 A CN108953505 A CN 108953505A
- Authority
- CN
- China
- Prior art keywords
- gear
- planet carrier
- planetary gear
- box
- planet
- 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.)
- Pending
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000000446 fuel Substances 0.000 claims description 6
- 208000032369 Primary transmission Diseases 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
-
- 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of dual gear structure gear-boxes for middling speed half-direct-drive wind driven generator group, including ring flange, base bearing, middle cabinet, gear train assembly, ring flange, main shaft bearing outer-ring is bolted with middle cabinet, gear train assembly includes ring gear, sun gear, first planetary gear, second planetary gear, first planet carrier, second planet carrier, ring gear be fixed on middle cabinet and with the first planetary gear internal messing, first planetary gear and the second planetary gear coaxial linkage, second planetary gear and sun gear external toothing, first planetary gear is set in first planet carrier, second planetary gear is set on the second planet carrier, first planet carrier and the second planet carrier are bolted, torque is inputted by the first planetary gear and the second planet carrier, generator side is output to by sun gear after gear train assembly accelerates.The present invention can increase transmission ratio under the premise of guaranteeing that gear-box radial dimension is constant, improve bearing capacity, and reduce cost.
Description
Technical field
The present invention relates to the technical fields of half-direct-drive wind driven generator group, refer in particular to a kind of for middling speed half-direct-driven wind
The dual gear structure gear-box of generating set.
Background technique
To guarantee that generator speed, middling speed half-direct-drive wind driven generator group structure generally use level-one or two-stage planet to pass
Dynamic, for primary planet transmission, transmission ratio is too small, and to meet power requirement, generator radial dimension is excessive, cost compared with
Height, for secondary planet transmission, transmission ratio can satisfy requirement, but the higher cost of gear-box.Not with unit simultaneously
Disconnected dilatation, bearing capacity demand is continuously increased, but is limited to gear-box radial dimension space, if raising radial ruler simply
It is very little, inevitably result in the raising of complete machine cost.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, improve for traditional planetary gear train gear-box,
A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group is proposed, is driven relative to primary planet,
This gear-box can increase transmission ratio to 20 or so, relative to two-stage Gear Planet Transmission, it is ensured that before complete machine radial dimension is constant
Saving cost is put, transmission ratio can be increased under the premise of guaranteeing that gear-box radial dimension is constant, improves bearing capacity, and
Reduce cost.
To achieve the above object, technical solution provided by the present invention are as follows: one kind is used for middling speed half-direct-drive wind driven generator
The dual gear structure gear-box of group, including ring flange, base bearing, middle cabinet, gear train assembly, the ring flange, main shaft
Bearing outer-ring is bolted with middle cabinet, tilting moment, axial force, radial force from wind wheel by base bearing it is loaded after, turn round
Square is transmitted to generator side after accelerating by gear train assembly；Wherein, the gear train assembly includes ring gear, the sun
Wheel, the first planetary gear, the second planetary gear, first planet carrier, the second planet carrier, the ring gear are fixed on middle cabinet, and with
It is nibbled outside one planetary gear internal messing, first planetary gear and the second planetary gear coaxial linkage, second planetary gear and sun gear
It closes, first planetary gear is set in first planet carrier, and second planetary gear is set on the second planet carrier, and the first row
Carrier and the second planet carrier are bolted, and torque is inputted by first planet carrier and the second planet carrier, through pinion unit
System is exported by sun gear after accelerating and is transmitted to generator side, and then realizes that two-wheeled accelerates by primary transmission；According to hub side torque
The quantity of the first planetary gear and the second planetary gear is adjusted, can guarantee the requirement of gear-box bearing capacity.
The transmission ratio of the gear train assembly isWherein, idaFor transmission ratio coefficient, ZaFor sun gear
The number of teeth, ZbFor the number of teeth of the first planetary gear, ZcFor the number of teeth of the second planetary gear, ZdFor the number of teeth of ring gear, by adjusting each tooth
The number of teeth of wheel, is capable of increasing transmission ratio.
The base bearing is double row tapered roller bearing.
Labyrinth seal is used between the ring flange and first planet carrier, is used between the middle cabinet and the second planet carrier
Butterfly sealing.
The sun gear, the first planetary gear, the second planetary gear lubricate the flank of tooth, the first planet carrier by spray bar respectively
Planet pin bearing by first planet carrier lubricating system fuel feeding, the planet pin bearing of second planet carrier passes through butterfly sealing
The oil of middle box system is transmitted in the second planet carrier and carries out fuel feeding.
Compared with prior art, the present invention have the following advantages that with the utility model has the advantages that
1, base bearing of the invention uses double row tapered roller bearing, is able to bear power and moment of flexure from wind wheel side.
2, the present invention is relative to primary planet transmission system, it is ensured that bigger transmission ratio has generator cost declining
Very big advantage.
3, the present invention eliminates a ring gear, a sun gear, all planetary gears relative to secondary planet transmission system
Bearing, spline, secondary planet frame etc., under the premise of guaranteeing that transmission ratio requires, cost declines to a great extent.
4, the present invention is bigger for gear radial dimension control nargin, it is ensured that the bearing capacity of gear-box, to unit
Dilatation has very strong applicability.
Detailed description of the invention
Fig. 1 is gear box structure schematic diagram of the invention.
Fig. 2 is the transmission schematic diagram of gear train assembly of the invention.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Referring to figure 1 and figure 2, the duplicate gear of middling speed half-direct-drive wind driven generator group is used for provided by the present embodiment
Structure gear case, including ring flange 7, base bearing 8, middle cabinet 9, gear train assembly, the ring flange 7, base bearing 8 are (specific
For double row tapered roller bearing) outer ring is bolted with middle cabinet 9, tilting moment, axial force, radial force from wind wheel
By base bearing 8 it is loaded after, torque by gear train assembly accelerate after be transmitted to generator side；Wherein, the pinion unit
System includes ring gear 1, sun gear 2, the first planetary gear 3, the second planetary gear 4, first planet carrier 5, the second planet carrier 6, described interior
Gear ring 1 is fixed on middle cabinet 9, and with 3 internal messing of the first planetary gear, first planetary gear 3 and the second planetary gear 4 are coaxial
Dynamic, second planetary gear 4 and 2 external toothing of sun gear, first planetary gear 3 are set in first planet carrier 5, second row
Star-wheel 4 is set on the second planet carrier 6, and the first planet carrier 5 and the second planet carrier 6 are bolted, and comprehensively considering can
By property and cost advantage, the first planet carrier 5 uses forging, and second planet carrier 6 uses casting；The pinion unit
The transmission ratio of system isIn formula, idaFor transmission ratio coefficient, ZaFor the number of teeth of sun gear 2, ZbFor the first planetary gear 3
The number of teeth, ZcFor the number of teeth of the second planetary gear 4, ZdFor the number of teeth of ring gear 1, by adjusting the number of teeth of each gear, it is ensured that larger
Transmission ratio；Torque is inputted by first planet carrier 5 and the second planet carrier 6, defeated by sun gear 2 after gear train assembly accelerates
It is transmitted to generator side out, and then realizes that two-wheeled accelerates by primary transmission, in addition, adjusting the first planetary gear according to hub side torque
3 and second planetary gear 4 quantity, it is ensured that gear-box bearing capacity requirement.
Use labyrinth seal between seal aspect, the first planet carrier 5 and ring flange 7, second planet carrier 6 with
It is sealed between middle cabinet 9 using butterfly,
In terms of lubrication, the sun gear 2, the first planetary gear 3, the second planetary gear 4 lubricate tooth by spray bar 10 respectively
The planet pin bearing 11 in face, the first planet carrier 5 passes through 5 lubricating system fuel feeding of first planet carrier, second planet carrier 6
The oil of middle 9 system of cabinet is transmitted in the second planet carrier 6 by butterfly sealing and carries out fuel feeding by planet pin bearing 12.
The examples of implementation of the above are only the preferred embodiments of the invention, and implementation model of the invention is not limited with this
It encloses, therefore all shapes according to the present invention, changes made by principle, should all be included within the scope of protection of the present invention.
Claims (5)
1. a kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group, including ring flange (7), base bearing
(8), middle cabinet (9), gear train assembly, the ring flange (7), base bearing (8) outer ring and middle cabinet (9) are connected by bolt
Connect, tilting moment, axial force, radial force from wind wheel by base bearing (8) it is loaded after, torque pass through gear train assembly accelerate
After be transmitted to generator side；It is characterized by: the gear train assembly includes ring gear (1), sun gear (2), the first planet
(3), the second planetary gear (4), first planet carrier (5), the second planet carrier (6) are taken turns, the ring gear (1) is fixed on middle cabinet (9),
And with the first planetary gear (3) internal messing, first planetary gear (3) and the second planetary gear (4) coaxial linkage, second planet
(4) and sun gear (2) external toothing are taken turns, first planetary gear (3) is set on first planet carrier (5), second planetary gear (4)
On the second planet carrier (6), and the first planet carrier (5) and the second planet carrier (6) are bolted, and torque passes through the
One planet carrier (5) and the second planet carrier (6) input, are transmitted to power generation by sun gear (2) output after gear train assembly accelerates
Pusher side, and then realize that two-wheeled accelerates by primary transmission；The first planetary gear (3) and the second planetary gear are adjusted according to hub side torque
(4) quantity can guarantee the requirement of gear-box bearing capacity.
2. a kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group according to claim 1,
It is characterized by: the transmission ratio of the gear train assembly isWherein, idaFor transmission ratio coefficient, ZaFor the sun
Take turns the number of teeth of (2), ZbFor the number of teeth of the first planetary gear (3), ZcFor the number of teeth of the second planetary gear (4), ZdFor the tooth of ring gear (1)
Number, by adjusting the number of teeth of each gear, is capable of increasing transmission ratio.
3. a kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group according to claim 1,
It is characterized by: the base bearing (8) is double row tapered roller bearing.
4. a kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group according to claim 1,
It is characterized by: using labyrinth seal, the middle cabinet (9) and the second row between the ring flange (7) and first planet carrier (5)
It is sealed between carrier (6) using butterfly.
5. a kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group according to claim 1,
It is characterized by: the sun gear (2), the first planetary gear (3), the second planetary gear (4) lubricate tooth by spray bar (10) respectively
The planet pin bearing (11) in face, the first planet carrier (5) passes through first planet carrier (5) lubricating system fuel feeding, second row
The planet pin bearing (12) of carrier (6) by butterfly seal by the oil of middle cabinet (9) system be transmitted in the second planet carrier (6) into
Row fuel feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828301.1A CN108953505A (en) | 2018-07-25 | 2018-07-25 | A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828301.1A CN108953505A (en) | 2018-07-25 | 2018-07-25 | A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953505A true CN108953505A (en) | 2018-12-07 |
Family
ID=64463840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810828301.1A Pending CN108953505A (en) | 2018-07-25 | 2018-07-25 | A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953505A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805661A (en) * | 2019-11-11 | 2020-02-18 | 天津工业大学 | Compound planetary reducer |
| CN113236504A (en) * | 2021-05-28 | 2021-08-10 | 远景能源有限公司 | Gear box of wind driven generator |
| CN114517826A (en) * | 2022-01-25 | 2022-05-20 | 中国船舶重工集团公司第七0三研究所 | Superspeed multistage planetary gear box structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070265133A1 (en) * | 2006-05-11 | 2007-11-15 | Hansen Transmissions International, Naamloze Vennootschap | Gearbox for a wind turbine |
| CN201293074Y (en) * | 2008-11-12 | 2009-08-19 | 重庆齿轮箱有限责任公司 | Double-combining planet double-arm wind power acceleration box |
| CN101539196A (en) * | 2009-04-13 | 2009-09-23 | 江苏泰隆减速机股份有限公司 | Automatic power type lubricant passage way system for transmission of satellite gears |
| CN101769362A (en) * | 2010-02-05 | 2010-07-07 | 王光顺 | Flexible gearbox of wind generator |
| CN201763546U (en) * | 2010-08-31 | 2011-03-16 | 常州减速机总厂有限公司 | Semi-direct-drive wind generating set growth gearbox |
| CN202531365U (en) * | 2012-03-19 | 2012-11-14 | 天津市祥威传动设备有限公司 | Overdrive gear box of high-power wind driven generator |
| CN203230796U (en) * | 2013-03-18 | 2013-10-09 | 大连新氏传动科技有限公司 | Novel planetary mechanism of wind power gear box |
| CN103742607A (en) * | 2013-12-31 | 2014-04-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Integrated semi-direct drive wind generator transmission chain and gearbox for same |
| CN208966952U (en) * | 2018-07-25 | 2019-06-11 | 明阳智慧能源集团股份公司 | A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group |
-
2018
- 2018-07-25 CN CN201810828301.1A patent/CN108953505A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070265133A1 (en) * | 2006-05-11 | 2007-11-15 | Hansen Transmissions International, Naamloze Vennootschap | Gearbox for a wind turbine |
| CN201293074Y (en) * | 2008-11-12 | 2009-08-19 | 重庆齿轮箱有限责任公司 | Double-combining planet double-arm wind power acceleration box |
| CN101539196A (en) * | 2009-04-13 | 2009-09-23 | 江苏泰隆减速机股份有限公司 | Automatic power type lubricant passage way system for transmission of satellite gears |
| CN101769362A (en) * | 2010-02-05 | 2010-07-07 | 王光顺 | Flexible gearbox of wind generator |
| CN201763546U (en) * | 2010-08-31 | 2011-03-16 | 常州减速机总厂有限公司 | Semi-direct-drive wind generating set growth gearbox |
| CN202531365U (en) * | 2012-03-19 | 2012-11-14 | 天津市祥威传动设备有限公司 | Overdrive gear box of high-power wind driven generator |
| CN203230796U (en) * | 2013-03-18 | 2013-10-09 | 大连新氏传动科技有限公司 | Novel planetary mechanism of wind power gear box |
| CN103742607A (en) * | 2013-12-31 | 2014-04-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Integrated semi-direct drive wind generator transmission chain and gearbox for same |
| CN208966952U (en) * | 2018-07-25 | 2019-06-11 | 明阳智慧能源集团股份公司 | A kind of dual gear structure gear-box for middling speed half-direct-drive wind driven generator group |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805661A (en) * | 2019-11-11 | 2020-02-18 | 天津工业大学 | Compound planetary reducer |
| CN113236504A (en) * | 2021-05-28 | 2021-08-10 | 远景能源有限公司 | Gear box of wind driven generator |
| CN113236504B (en) * | 2021-05-28 | 2022-02-15 | 远景能源有限公司 | Gear box of wind driven generator |
| CN114517826A (en) * | 2022-01-25 | 2022-05-20 | 中国船舶重工集团公司第七0三研究所 | Superspeed multistage planetary gear box structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |