CN201763526U - Wind power generation yaw gearbox - Google Patents
Wind power generation yaw gearbox Download PDFInfo
- Publication number
- CN201763526U CN201763526U CN2010205107229U CN201020510722U CN201763526U CN 201763526 U CN201763526 U CN 201763526U CN 2010205107229 U CN2010205107229 U CN 2010205107229U CN 201020510722 U CN201020510722 U CN 201020510722U CN 201763526 U CN201763526 U CN 201763526U
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- CN
- China
- Prior art keywords
- gear
- level
- planet
- stage
- box
- 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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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
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a wind power generation yaw gearbox. A motor flange where a motor shaft can be directly mounted is arranged on the gearbox; the gearbox is provided with four stages of planetary transmission mechanisms; each stage of planetary transmission mechanism is provided with a sun gear, a planet gear, a planet shaft and a planet frame; an input shaft of the gearbox is meshed with a one-stage sun gear; a one-stage planet gear and a two-stage planet gear are meshed with the same inner gear and have the same gear parameters; a three-stage planet carrier is mounted at the left end of a three-stage planet shaft; a transition frame is mounted at the right end of the three-stage planet shaft; and the three-stage planet carrier is fixed with the transition frame meshed with a four-stage sun gear. By innovatively adopting the manner that the one-stage planet gear and the two-stage planet gear are meshed with the same inner gear and have the same gear parameters, the gearbox disclosed by the utility model has a more compact structure, is improved in reliability, has the weight decreased on the whole, is easier to process, and is more convenient to dismount and mount.
Description
Technical field
The utility model relates to the wind-power generating yaw gear-box.
Background technique
The advantage of wind-power electricity generation does not need fuel, does not account for the arable land, does not pollute, and operating cost is low, because wind-power electricity generation does not have fuel problem, also can not produce radiation or atmospheric pollution.THE WIND ENERGY RESOURCES IN CHINA is very abundant, and it is a kind of clean renewable energy sources, and wind-power electricity generation industry development prospect is boundless.Yaw gearbox is the special gear box that wind-driven generator selects to aim at or depart from wind direction, since Yaw gearbox claimed structure compactness, the reliability requirement height.But existing wind-power generating yaw gear-box size is bigger, and reliability is relatively poor.
The model utility content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of wind-power generating yaw gear-box is provided, solve Yaw gearbox claimed structure compactness, the requirement that reliability requirement is high.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of wind-power generating yaw gear-box, the motor flange that motor shaft can directly be installed is arranged on the described gear-box, described gear-box has the level Four epicyclic transmission mechanism, every grade of epicyclic transmission mechanism has sun gear, planet wheel, planet axis, planet carrier, the input shaft of gear-box and the engagement of one-level sun gear, the one-level planet wheel is identical with same internal gear engagement and gear parameter with the secondary planet wheel, the third-level planetary frame is installed in third-level planetary axle left end, third-level planetary axle right-hand member is installed transition frame, third-level planetary frame and transition frame are fixed, transition frame and the engagement of level Four sun gear.
Further, the planet carrier of every grade of epicyclic transmission mechanism adopts short tooth to connect with the engagement of subordinate's sun gear, axially adopts the contact-type location.
Further, every grade of interior needle bearing that adopts no inner ring of planet wheel.
The beneficial effects of the utility model are, the employing one-level planet wheel of a kind of wind-power generating yaw gear-box innovation formula of the present utility model and secondary planet wheel and same internal gear engagement and the identical mode of gear parameter, make more compact structure, reliability improves, alleviated the overall weight of gear-box, it is easier to process, and dismounting is more convenient.Design of part is simple, is fit to produce in batches, has reduced manufacture cost.Gear-box adopts the long lifetime design simultaneously, without overhaul, only needs simple-to-maintain in 20 years, for the user has reduced maintenance cost.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1. motor flange, 2. input shaft, 3. one-level sun gear, 4. one-level planet wheel, 5. secondary planet wheel, 6. internal gear, 7. third-level planetary frame, 8. third-level planetary axle, 9. transition frame, 10. level Four sun gear.
Embodiment
In conjunction with the accompanying drawings the utility model is further described now.The schematic representation that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of wind-power generating yaw gear-box, the motor flange 1 that motor shaft can directly be installed is arranged on its gear-box, gear-box has the level Four epicyclic transmission mechanism, every grade of epicyclic transmission mechanism has sun gear, planet wheel, planet axis, planet carrier, the input shaft 2 of gear-box and 3 engagements of one-level sun gear, one-level planet wheel 4 is identical with same internal gear 6 engagements and gear parameter with secondary planet wheel 5, third-level planetary frame 7 is installed in third-level planetary axle 8 left ends, third-level planetary axle 8 right-hand members are installed transition frame 9, third-level planetary frame 7 is fixing with transition frame 9, transition frame 9 and 10 engagements of level Four sun gear.The planet carrier of every grade of epicyclic transmission mechanism adopts short tooth to connect with the engagement of subordinate's sun gear, axially adopts the contact-type location.Every grade of interior needle bearing that adopts no inner ring of planet wheel.
The following specifically describes transmission process: motor shaft is installed in the gearbox input shaft 2, input shaft 2 is delivered to one-level sun gear 3, one-level sun gear 3 and the engagement of one-level planet wheel, internal gear 6 is fixing, so the one-level planet wheel drives primary planet carrier and rotates, primary planet carrier is by short tooth and the engagement of secondary sun gear, the secondary sun gear drives the secondary planet wheel, secondary planet wheel and internal gear 6 engagement rear driving secondary planet framves, the secondary planet frame drives three grades of sun gears, three grades of sun gears and the engagement of third-level planetary wheel, the third-level planetary wheel is installed by third-level planetary axle 8, and third-level planetary axle 8 left ends are the third-level planetary frame, and third-level planetary axle 8 right-hand members are transition frame 9, transition frame 9 drives level Four sun gear 10, level Four sun gear 10 rotates with level Four planet wheel engagement rear driving level Four planet carrier, finally is delivered on the output shaft, and small gear is installed on the output shaft, with the gearwheel engagement of driftage bearing, and then finish yaw maneuver.
The utility model more compact structure, reliability improves, and has alleviated the overall weight of gear-box, and it is easier to process, and dismounting is more convenient.Design of part is simple, is fit to produce in batches, has reduced manufacture cost.
Claims (3)
1. wind-power generating yaw gear-box, it is characterized in that: the motor flange (1) that motor shaft can directly be installed is arranged on the described gear-box, described gear-box has the level Four epicyclic transmission mechanism, every grade of epicyclic transmission mechanism has sun gear, planet wheel, planet axis, planet carrier, input shaft of gear-box (2) and one-level sun gear (3) engagement, one-level planet wheel (4) is identical with same internal gear (6) engagement and gear parameter with secondary planet wheel (5), third-level planetary frame (7) is installed in third-level planetary axle (8) left end, third-level planetary axle (8) right-hand member is installed transition frame (9), third-level planetary frame (7) is fixing with transition frame (9), transition frame (9) and level Four sun gear (10) engagement.
2. wind-power generating yaw gear-box according to claim 1 is characterized in that: the planet carrier of every grade of epicyclic transmission mechanism adopts short tooth to connect with the engagement of subordinate's sun gear, axially adopts the contact-type location.
3. wind-power generating yaw gear-box according to claim 1 is characterized in that: every grade of interior needle bearing that adopts no inner ring of planet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205107229U CN201763526U (en) | 2010-08-31 | 2010-08-31 | Wind power generation yaw gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205107229U CN201763526U (en) | 2010-08-31 | 2010-08-31 | Wind power generation yaw gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763526U true CN201763526U (en) | 2011-03-16 |
Family
ID=43716133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205107229U Expired - Lifetime CN201763526U (en) | 2010-08-31 | 2010-08-31 | Wind power generation yaw gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763526U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878248A (en) * | 2012-10-24 | 2013-01-16 | 银川威力减速器有限公司 | High-power wind power generation variable-pitch speed reducer |
| EP2532887A3 (en) * | 2011-06-06 | 2017-01-18 | Sumitomo Heavy Industries, Ltd. | Power transmission device of wind power generation equipment |
-
2010
- 2010-08-31 CN CN2010205107229U patent/CN201763526U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2532887A3 (en) * | 2011-06-06 | 2017-01-18 | Sumitomo Heavy Industries, Ltd. | Power transmission device of wind power generation equipment |
| CN102878248A (en) * | 2012-10-24 | 2013-01-16 | 银川威力减速器有限公司 | High-power wind power generation variable-pitch speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU SHINRI DAVID BROWN GEAR SYSTEMS CO., LTD. Free format text: FORMER OWNER: CHANGZHOU SPEED REDUCER GENERAL FACTORY CO., LTD. Effective date: 20110614 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213149 WEST SIDE OF ZHENXING NORTH ROAD, ECONOMIC DEVELOPMENT ZONE, WUJIN DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE TO: 213000 NO. 68, FENGLIN ROAD, WUJIN HIGH-TECH. INDUSTRIAL DEVELOPMENT ZONE, WUJIN DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110614 Address after: 213000 Jiangsu city of Changzhou province Wujin Fenglin District of Wujin hi tech Industrial Development Zone, Road No. 68 Patentee after: Jiangsu Shinrui David Brown Gear Systems Co., Ltd. Address before: 213149 West Road, Zhenxing Road, Wujin Economic Development Zone, Changzhou, Jiangsu Patentee before: Changzhou Speed Reducer General Factory Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU XINRUI GEAR SYSTEM CO., LTD. Free format text: FORMER NAME: JIANGSU SHINRI DAVID BROWN GEAR SYSTEMS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 213166 Jiangsu city of Changzhou province were Wujin high tech Industrial Development Zone, Road No. 68 Patentee after: Jiangsu Xin Rui gear train Co., Ltd Address before: 213000 Jiangsu city of Changzhou province Wujin Fenglin District of Wujin hi tech Industrial Development Zone, Road No. 68 Patentee before: Jiangsu Shinrui David Brown Gear Systems Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 213166 Jiangsu city of Changzhou province to Wujin national hi tech Industrial Development Zone, Road No. 20 Patentee after: Jiangsu Xin Rui gear train Co., Ltd Address before: 213166 Jiangsu city of Changzhou province were Wujin high tech Industrial Development Zone, Road No. 68 Patentee before: Jiangsu Xin Rui gear train Co., Ltd |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |
|
| CX01 | Expiry of patent term |