CN202082369U - Final-stage parallel speed increasing device of high-power gearbox of wind power generator - Google Patents
Final-stage parallel speed increasing device of high-power gearbox of wind power generator Download PDFInfo
- Publication number
- CN202082369U CN202082369U CN2011200680628U CN201120068062U CN202082369U CN 202082369 U CN202082369 U CN 202082369U CN 2011200680628 U CN2011200680628 U CN 2011200680628U CN 201120068062 U CN201120068062 U CN 201120068062U CN 202082369 U CN202082369 U CN 202082369U
- Authority
- CN
- China
- Prior art keywords
- box
- shaft
- gear
- output gear
- lid
- 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
- 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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- 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
Abstract
The utility model relates to a final-stage parallel speed increasing device of a high-power gearbox of a wind power generator, which comprises a rear box. An output gear shaft and an inner spline shaft which are parallel to each other are arranged in the rear box, a large gear is arranged on the inner spline shaft, and the inner spline shaft is sleeved onto a pipe shaft in a floating manner. The final-stage parallel-speeding device is characterized in that one end of the rear box is connected with a box at the last stage, the other end of the rear box is provided with a rear end cap consisting of an upper box cover and a lower box cover, a bearing block for mounting of the output gear shaft, the inner spline shaft and the pipe shaft is arranged on a joint surface of the upper box cover and the lower box cover, the upper box cover and the lower box cover are closely connected with the rear box through a positioning pin and a thread fastener, the output gear shaft and the front end of the inner spline shaft are mounted on the rear box through a bearing, the output gear shaft, the inner spline shaft and the rear end of the pipe shaft are mounted on the bearing block between the upper box cover and the lower box cover through a bearing, and an output end of the output gear shaft and an end of the pipe shaft penetrate out of the rear end cap.
Description
Technical field
The utility model patent relates to a kind of wind-driven generator wheel-box, especially the parallel speedup level structure of the final stage of high-power wind-driven generator gear-box.
Background technique
Wind-power electricity generation is compared with traditional thermal power generation, has the free of contamination advantage of generating, compares with hydroelectric power, have that the capital construction cost is low, floor space is little, maintaining is advantage easily, and especially large-scale hydroelectric power plant, storage reservoir also cause certain potential safety hazard to the downstream easily.In wind-driven generator, gear-box is the critical component of wind-driven generator, the wind-driven generator step-up gear of China's use at present is mainly small-power types such as 1.5MW～2MW, development along with the wind-power electricity generation industry, the demand that can not adapt to market gradually, high-power type such as 2.5MW～3MW begins to climb up stage.
The wind-driven generator wheel-box of existing high-power type generally adopts the structure of the parallel speedup level with final stage of gear for two stage planetary gear train, belong to the large gear case, its overall weight is generally about 30 tons, and the parallel speedup level of traditional final stage is to be assembled in the rear box of upper box and lower box composition, and the weight of upper box or lower box just reaches several tons, assembling is difficulty relatively, because the applying working condition of the parallel speedup level of final stage is abominable, load condition is very complicated, the fault overwhelming majority of this class large gear case appears at the parallel speedup level of final stage, in a single day gear-box breaks down, and each parts in the parallel speedup level of final stage are difficult in the high-altitude and disassemble, therefore, as long as break down, generally can't keep in repair in the high-altitude, can only integral replacing, cause the user cost of wind-driven generator of high-power type high.Therefore, keeping in repair in the high-altitude, becoming the long-term technical barrier of scratching related domain that is stranded for how solving the high-power wind-driven generator gear-box.
The model utility content
The purpose of this utility model is: abominable at the parallel speedup level of the final stage of high-power wind power generation gear-box applying working condition, load condition is very complicated, can't be after breaking down in the problem of high-altitude maintenance, a kind of new parallel speedup level of being convenient at the high-power wind-driven generator gear-box of high-altitude dismounting of final stage is provided.
The purpose of this utility model is achieved in that the parallel speedup level of a kind of final stage of high-power wind-driven generator gear-box, comprise rear box, be provided with parallel output gear shaft and female splined shaft in the rear box, female splined shaft is provided with gearwheel, the female splined shaft floating bushing is connected on the tubular axis, it is characterized in that: an end of described rear box is connected with the prime casing, the other end is provided with rear end cover, rear end cover is made up of upper box lid and following case lid, their junction plane is provided with the installation output gear shaft, the bearing support of female splined shaft and tubular axis, described upper box lid and following case lid closely fuse by locating stud and threaded fastener and rear box, output gear shaft and female splined shaft front end by Bearing Installation in rear box, output gear shaft, female splined shaft and tubular axis rear end are by the bearing support of Bearing Installation between upper box lid and following case lid, and the output terminal of output gear shaft and the end of tubular axis pass rear end cover.
In the utility model: described rear box is provided with a circle groove with combining of upper box lid, following case lid on the end face, be provided with seal ring in the groove.
In the utility model: output gear shaft and female splined shaft front end are installed in rear box by roller bearing, the rear end is fixed in the bearing support of upper box lid and following case lid by the pairing tapered roller bearing, and the outside end face of pairing tapered roller bearing is provided with baffle plate.
In the utility model: after described output gear shaft and tubular axis pass through bearing support between upper box lid and the following case lid, be provided with seal arrangement with the connecting part of upper box lid and following case lid, seal arrangement comprises flinger ring, disc and dust ring.
In the utility model: described nowel covers the mechanical pump that also is provided with in the lubrication system, the driving mechanism of mechanical pump comprises oil pump actuation gear and oil pump gear axle, wherein, the oil pump actuation gear is fixedly mounted on the female splined shaft end, oil pump actuation gear and the engagement of oil pump gear axle, the oil pump gear axle passes rear end cover and is connected with the mechanical pump input shaft is coaxial.
The advantage of the utility model patent is: because the integrated type rear box rear end of several tons of weights is decomposed into upper box lid and following case lid, upper box lid is all very light with following case lid weight, usually in half ton, reduced the difficulty of high-altitude maintenance, especially on the junction plane of upper box lid and following case lid, be provided with the bearing support that output gear shaft, female splined shaft and tubular axis are installed, these component are broken down, and safeguard in the high-altitude back and replacing is all very convenient, has solved to be stranded a high-altitude maintenance technique difficult problem of scratching people for a long time.
Description of drawings
Fig. 1 is an an embodiment's of the present utility model structural representation;
Fig. 2 is the end view of Fig. 1.
Wherein, 1, rear box, 2, upper box lid, 3, output gear shaft, 4, following case lid, 5, bolt, 6, seal ring, 7, gearwheel, 8, female splined shaft, 9, one-level ring gear, 10, tubular axis, 11, baffle plate, 12, seal arrangement, 13, mechanical pump, 14, the oil pump actuation gear, 15, oil pump gear axle, 16, the prime sun wheel shaft.
Embodiment
Accompanying drawing discloses embodiment's of the present utility model concrete structure without limitation, below in conjunction with accompanying drawing the utility model is done to describe further.
Shown in Figure 2 as Fig. 1, the present invention includes rear box 1, be provided with parallel output gear shaft 3 and female splined shaft 8 in the rear box 1, female splined shaft 8 is provided with gearwheel 7, female splined shaft 8 floating bushings are connected on the tubular axis 10, one end of rear box 1 is connected with the prime casing, the other end is provided with rear end cover, rear end cover is made up of upper box lid 2 and following case lid 3, their junction plane is provided with installs output gear shaft 3, the bearing support of female splined shaft 8 and tubular axis 10, described upper box lid 2 and following case lid 4 closely fuse with rear box 1 by locating stud and threaded fastener bolt 5, output gear shaft 3 and female splined shaft 8 front ends by Bearing Installation in rear box 1, output gear shaft 3, female splined shaft 8 and tubular axis 10 rear ends are by the bearing support of Bearing Installation between upper box lid 2 and following case lid 4, and the end of the output terminal of output gear shaft 3 and tubular axis 10 passes rear end cover.
In the present embodiment, output gear shaft 3 and female splined shaft 8 front ends are installed in rear box 1 by roller bearing, the rear end is fixed in the bearing support of upper box lid 2 and following case lid 4 by the pairing tapered roller bearing, and the outside end face of pairing tapered roller bearing is provided with baffle plate 11.After output gear shaft 3 and tubular axis 10 pass through bearing support between upper box lid 2 and the following case lid 4, be provided with seal arrangement 12 with the connecting part of upper box lid 2 and following case lid 4, seal arrangement 12 comprises flinger ring, disc and dust ring.Rear box 1 is provided with a circle groove with the end face that combines of upper box lid 2, following case lid 4, is provided with seal ring 6 in the groove.
In the present embodiment, also be provided with the mechanical pump 13 in the lubrication system on the described case lid 4 down, the driving mechanism of mechanical pump 13 comprises oil pump actuation gear 14 and oil pump gear axle 15, wherein, oil pump gear is fixedly mounted on the female splined shaft end, oil pump gear and the engagement of oil pump gear axle, the oil pump gear axle passes rear end cover and is connected with the mechanical pump input shaft is coaxial.
In the present embodiment, the prime casing of rear box 1 is meant prime ring gear 9, and an end of described rear box 1 is connected with prime ring gear 9, and described female splined shaft 8 is connected with prime sun wheel shaft 16 by internal spline.
Claims (5)
1. the parallel speedup level of the final stage of a high-power wind-driven generator gear-box, comprise rear box, be provided with parallel output gear shaft and female splined shaft in the rear box, female splined shaft is provided with gearwheel, the female splined shaft floating bushing is connected on the tubular axis, it is characterized in that: an end of described rear box is connected with the prime casing, the other end is provided with rear end cover, rear end cover is made up of upper box lid and following case lid, their junction plane is provided with the installation output gear shaft, the bearing support of female splined shaft and tubular axis, described upper box lid and following case lid closely fuse by locating stud and threaded fastener and rear box, output gear shaft and female splined shaft front end by Bearing Installation in rear box, output gear shaft, female splined shaft and tubular axis rear end are by the bearing support of Bearing Installation between upper box lid and following case lid, and the output terminal of output gear shaft and the end of tubular axis pass rear end cover.
2. the parallel speedup level of the final stage of high-power wind-driven generator gear-box according to claim 1 is characterized in that: described rear box is provided with a circle groove with the end face that combines of upper box lid, following case lid, is provided with seal ring in the groove.
3. the parallel speedup level of the final stage of high-power wind-driven generator gear-box according to claim 1, it is characterized in that: output gear shaft and female splined shaft front end are installed in rear box by roller bearing, the rear end is fixed in the bearing support of upper box lid and following case lid by the pairing tapered roller bearing, and the outside end face of pairing tapered roller bearing is provided with baffle plate.
4. according to the parallel speedup level of the final stage of the described high-power wind-driven generator gear-box of one of claim 1～3, it is characterized in that: after described output gear shaft and tubular axis pass through bearing support between upper box lid and the following case lid, be provided with seal arrangement with the connecting part of upper box lid and following case lid, seal arrangement comprises flinger ring, disc and dust ring.
5. the parallel speedup level of the final stage of high-power wind-driven generator gear-box according to claim 4, it is characterized in that: described nowel covers the mechanical pump that also is provided with in the lubrication system, the driving mechanism of mechanical pump comprises oil pump actuation gear and oil pump gear axle, wherein, the oil pump actuation gear is fixedly mounted on the female splined shaft end, oil pump actuation gear and the engagement of oil pump gear axle, the oil pump gear axle passes rear end cover and is connected with the mechanical pump input shaft is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200680628U CN202082369U (en) | 2011-03-15 | 2011-03-15 | Final-stage parallel speed increasing device of high-power gearbox of wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200680628U CN202082369U (en) | 2011-03-15 | 2011-03-15 | Final-stage parallel speed increasing device of high-power gearbox of wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082369U true CN202082369U (en) | 2011-12-21 |
Family
ID=45342998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200680628U Expired - Lifetime CN202082369U (en) | 2011-03-15 | 2011-03-15 | Final-stage parallel speed increasing device of high-power gearbox of wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128250A (en) * | 2011-03-15 | 2011-07-20 | 南京高速齿轮制造有限公司 | Final-stage parallel speed increase stage for gear case of high-power wind driven generator |
| WO2021088588A1 (en) * | 2019-11-06 | 2021-05-14 | 南京高速齿轮制造有限公司 | Assembly structure of sun gear shaft and spline shaft of wind power gear box |
-
2011
- 2011-03-15 CN CN2011200680628U patent/CN202082369U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128250A (en) * | 2011-03-15 | 2011-07-20 | 南京高速齿轮制造有限公司 | Final-stage parallel speed increase stage for gear case of high-power wind driven generator |
| WO2021088588A1 (en) * | 2019-11-06 | 2021-05-14 | 南京高速齿轮制造有限公司 | Assembly structure of sun gear shaft and spline shaft of wind power gear box |
| US11359610B2 (en) | 2019-11-06 | 2022-06-14 | Nanjing High-Speed Gear Manufacturing Co., Ltd. | Assembly structure of sun gear shaft and spline shaft of a gearbox for wind turbine |
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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: 211100 No. 30 Houjiao Road, Jiangning District, Nanjing City, Jiangsu Province (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: Jiangning District of Nanjing City, Jiangsu province Rhine Road No. 255 210000 Patentee before: Nanjing High Speed Gear Manufacturing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 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: 211100 No. 30 Houjiao Road, Jiangning District, Nanjing City, Jiangsu Province (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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
|
| CX01 | Expiry of patent term |