CN203867787U - Speed-up gearbox for half-direct-driven wind turbine generator - Google Patents
Speed-up gearbox for half-direct-driven wind turbine generator Download PDFInfo
- Publication number
- CN203867787U CN203867787U CN201420168596.1U CN201420168596U CN203867787U CN 203867787 U CN203867787 U CN 203867787U CN 201420168596 U CN201420168596 U CN 201420168596U CN 203867787 U CN203867787 U CN 203867787U
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- China
- Prior art keywords
- planetary gear
- level
- gear train
- casing
- bearing
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- Expired - Fee Related
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- 230000000295 complement effect Effects 0.000 abstract 2
- 239000000969 carrier Substances 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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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- Wind Motors (AREA)
Abstract
The utility model relates to a speed-up gearbox for a half-direct-driven wind turbine generator. The speed-up gearbox comprises a box body and a planetary gear train. The box body comprises a front box main body, a middle box main body and a rear box main body. The speed-up gearbox is characterized in that an input-level planetary gear train body and a second-level planetary gear train body are arranged in the box body, at least four input-level planetary gear shafts are distributed around a planetary carrier of the input-level planetary gear train body in a ring array mode, and at least four second-level planetary gear shafts are distributed around a planetary carrier of the second-level planetary gear train body in a ring array mode; in the two-level planetary gear train bodies, the planetary carriers are supported by bearings which are short cylindrical roller bearings or full complement cylindrical roller bearings or tapered roller bearings, and planetary gears are supported by bearings which are short cylindrical roller bearings or full complement cylindrical roller bearings or double-row tapered roller bearings.
Description
Technical field
The utility model relates to a kind of gear-box, especially a kind of half-direct-drive wind driven generator step-up gear.
Background technique
Utilize wind-power electricity generation compared with traditional thermal power generation, there is the free of contamination advantage of generating, compared with hydroelectric power, have that capital construction cost is low, floor space is little, maintaining is advantage easily, and for large-scale hydroelectric power plant, storage reservoir also easily exists certain potential safety hazard to downstream.In wind-driven generator, gear-box is the critical component of wind-driven generator, is generally overall structure, and dismounting difficulty, once break down, can only change assembly, causes waste.
China's megawatt-grade high-power accelerating gearbox for wind power generator development is rapid, the current domestic wind energy turbine set generating of having produced in batches and be applied to.In prior art, comparatively conventional step-up gear generally adopts the mode of the speedup level combination of one-level planetary gear train and two-stage parallel axis, gear for two stage planetary gear train and one-level parallel axes to carry out transmission, along with the increase of wind turbine power generation power, the volume and weight of accelerating gearbox for wind power generator and generator also increases, and the consequence of bringing is that cost increases, installs difficulty.How, in promoting wind turbine power generation power, the volume, weight and the cost that reduce wind-driven generator are the problems that Professional visitors is generally concerned about.
Summary of the invention
The purpose of this utility model is: for the step-up gear of relatively high power, the problem that volume is large, weight is large, cost is high, a kind of new double-planet mechanism is provided with the integrated speed-increasing gearbox of wind driven generator of generator.
The purpose of this utility model is achieved in that a kind of half-direct-drive wind driven generator step-up gear, comprise casing and planetary gear train, casing comprises front casing, middle casing and rear box, it is characterized in that: in casing, contain input stage road wheel system and second level planetary gear train, the planet carrier periphery of input stage road wheel system and second level planetary gear train is all at least distributed with four input stage planet wheel shafts and second level planet wheel shaft in annular array mode, in gear for two stage planetary gear train, the bearing that supports each planet carrier is cylindrical roller bearing, or full roller bearing, or tapered roller bearing, the bearing that supports each planet wheel is cylindrical roller bearing, or full roller bearing, or double-row conical bearing.
In the utility model: be provided with on rear box the screw that generator supports is installed.
The utility model has the advantage of: because the planet carrier periphery in gear for two stage planetary gear train is all at least distributed with planet wheel shaft in annular array mode, and the bearing that supports each planet carrier is cylindrical roller bearing, or full roller bearing, or tapered roller bearing, the bearing that supports each planet wheel is cylindrical roller bearing, or full roller bearing, or double-row conical bearing, these technical measures can promote the bearing capacity of gear-box, guarantee that gear-box can transmit larger torque; Casing is divided into front casing, middle casing, rear box, makes gear-box dismounting convenient; By integrated as a whole to generator and gear-box, save space, simplify the structure, alleviate overall weight; On rear box, be provided with install generator support screw, the combination can facilitate high-lift operation time between gear-box and motor with separate.
Brief description of the drawings
Fig. 1 is the utility model embodiment's structural representation.
In figure: 1, flange plate, 2, input planet carrier, 3, front casing, 4, input stage planet wheel shaft, 5, input stage planet wheel, 6, input stage ring gear, 7, input stage planet wheel bearing, 8, middle casing, 9, second level planet carrier, 10, second level planet wheel shaft, 11, second level planet wheel, 12, second level sun wheel shaft, 13, second level ring gear, 14, rear box, 15, input stage sun wheel shaft, 16, tubular axis, 17, O-ring seals, 18, flange, 19, positioning baffle.
Embodiment
Accompanying drawing is nonrestrictive discloses the structural representation of a kind of specific embodiment that the utility model relates to, and below in conjunction with accompanying drawing, the utility model will be further described.
As seen from Figure 1, casing of the present utility model comprises front casing 3, middle casing 8 and rear box 14, between front casing 3 and middle casing 8, is provided with input stage ring gear 6, and front casing 3, input stage ring gear 6, middle casing 8 are bolted; Between middle casing 8 and rear box 14, be provided with second level ring gear 13, middle casing 8, second level ring gear 13, rear box 14 are bolted; Rear box 14 supports and is bolted with generator casing body; Input stage sun wheel shaft 15 and second level sun wheel shaft 12 successively floating bushing are connected on tubular axis 16, one end of tubular axis 16 is located by connecting by flange 18 and input planet carrier 2, the other end by bearings in motor case body, flange 18 and input planet carrier 2, between flange 18 and tubular axis 16, be equipped with O-ring seals 17, tubular axis 16 ends are provided with positioning baffle 19; Input planet carrier 2 is arranged between front casing 3 and middle casing 8 by bearing, the input end of input planet carrier 2 is connected with flange plate 1 through front casing 3, the splined shaft of input stage sun wheel shaft 15 is connected with second level planet carrier 9 through middle casing 8, second level planet carrier 9 is arranged between middle casing 8 and rear box 14 by bearing, and the output terminal of second level sun wheel shaft 12 is connected with generator shaft through rear box 14; Input planet carrier 2 is provided with seal arrangement with front casing 3 junctions; In casing, input planet carrier 2 and two-stage planet wheel shaft 4,10, be provided with the oil leab that leads to each bearing mounting points.
In the present embodiment, input planet carrier 2 peripheries evenly arrange four input stage planet wheels 5, and input stage planet wheel 5 engages with the sun gear in input stage ring gear 6, input stage sun wheel shaft 15 simultaneously; The spline of input stage sun wheel shaft 15 ends is connected with second level planet carrier 9; Planet carrier 9 peripheries in the second level evenly arrange four second level planet wheels 11, and second level planet wheel 11 engages with the sun gear in interior second level ring gear 13, second level sun wheel shaft 12 simultaneously; The spline of second level sun wheel shaft 12 ends is connected with generator shaft; The bearing that input planet carrier 2 adopts is full roller bearing, and the bearing that second level planet carrier 9 adopts is tapered roller bearing, and the bearing that two-stage planet wheel 5,10 adopts is bearing with double row of full rollers or cylindrical roller bearing; Input planet carrier 2 comprises disc and dust ring with the seal arrangement of front casing 3 junctions.
When actual use, the kinetic energy that wind-force forms is inputted by inputting planet carrier 2, input stage planet wheel 5 is rotated around input stage sun wheel shaft 15, due to 5 whiles and input stage ring gear 6 of input stage planet wheel, sun gear engagement in input stage sun wheel shaft 15, make input stage sun wheel shaft 15 produce rotation, input stage sun wheel shaft 15 drives second level planet carrier 9 synchronously to rotate, then make second level planet wheel 11 rotate around second level sun wheel shaft 12, due to 11 whiles and second level ring gear 13 of second level planet wheel, sun gear engagement in second level sun wheel shaft 12, make second level sun wheel shaft 12 produce rotation, second level sun wheel shaft 12 drives generator shaft to rotate generating.
Claims (2)
1. a half-direct-drive wind driven generator step-up gear, comprise casing and planetary gear train, casing comprises front casing, middle casing and rear box, it is characterized in that: in casing, contain input stage road wheel system and second level planetary gear train, the planet carrier periphery of input stage road wheel system and second level planetary gear train is all at least distributed with four input stage planet wheel shafts and second level planet wheel shaft in annular array mode, in gear for two stage planetary gear train, the bearing that supports each planet carrier is cylindrical roller bearing, or full roller bearing, or tapered roller bearing, the bearing that supports each planet wheel is cylindrical roller bearing, or full roller bearing, or double-row conical bearing.
2. half-direct-drive wind driven generator step-up gear according to claim 1, is characterized in that: rear box is provided with installs the screw that generator supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168596.1U CN203867787U (en) | 2014-04-09 | 2014-04-09 | Speed-up gearbox for half-direct-driven wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168596.1U CN203867787U (en) | 2014-04-09 | 2014-04-09 | Speed-up gearbox for half-direct-driven wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867787U true CN203867787U (en) | 2014-10-08 |
Family
ID=51648750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420168596.1U Expired - Fee Related CN203867787U (en) | 2014-04-09 | 2014-04-09 | Speed-up gearbox for half-direct-driven wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594238A (en) * | 2016-12-28 | 2017-04-26 | 南京高速齿轮制造有限公司 | Double-support output structure of wind power yaw gear box |
-
2014
- 2014-04-09 CN CN201420168596.1U patent/CN203867787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594238A (en) * | 2016-12-28 | 2017-04-26 | 南京高速齿轮制造有限公司 | Double-support output structure of wind power yaw gear box |
| CN106594238B (en) * | 2016-12-28 | 2023-07-25 | 南京高速齿轮制造有限公司 | Dual-support output structure of wind power yaw gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190926 Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park) Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211100 No. 1 East Tianyuan Road, Jiangning Science Park, Nanjing, Jiangsu Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200513 Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park) Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park) Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230207 Granted publication date: 20141008 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230327 Granted publication date: 20141008 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |