CN205445910U - 2WM's increasing gear for aerogenerator - Google Patents
2WM's increasing gear for aerogenerator Download PDFInfo
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- CN205445910U CN205445910U CN201521103612.XU CN201521103612U CN205445910U CN 205445910 U CN205445910 U CN 205445910U CN 201521103612 U CN201521103612 U CN 201521103612U CN 205445910 U CN205445910 U CN 205445910U
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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 2WM's increasing gear for aerogenerator, its box include front box body, the peaceful level box of going of well box, and wherein parallel level box includes the box, and lower box passes through the lid, among the two -stage planetary gear train, the input stage ring gear is arranged in between front box body and the box, and secondary inner gear ring is arranged in between the peaceful line level box of box, output gear system is including gear wheel, output gear axle and internal spline axle, including the gear wheel is fixed on the integral key shaft, the sun gear of the input stage and the second level and the internal spline position of axle of output gear system are on same hollow shaft, the input stage planet carrier passes through the one end location of hollow shaft fixed plate and hollow shaft to be connected, and the other end of hollow shaft passes through parallel level box and support in passing through the lid through the bearing, secondary sun gear pass through the spline and the internal spline hub connection, lubricating system includes mechanical pump, oil circuit distributor and leads to the lubricated oil duct of each bearing that the mechanical pump output passes through the oil circuit distributor and is connected with each lubricated oil duct.
Description
Technical field
This utility model relates to gear-box, the accelerating gearbox for wind power generator of especially 2WM.
Background technology
Wind-power electricity generation, compared with traditional thermal power generation, has the free of contamination advantage of generating, compared with hydroelectric generation, there is capital construction low cost, floor space little, the convenient advantage of maintaining, the most large-scale water-power plant, storage reservoir is also easy to cause downstream certain potential safety hazard.
In wind-driven generator, gear-box is the critical component of wind-driven generator；China's megawatt-grade high-power accelerating gearbox for wind power generator quickly grows, the most domestic produced in batches and be applied to wind energy turbine set generating.Step-up gear more conventional in prior art is generally directed to low power wind-driven generator, the mode that they typically use+two grades of parallel axes of primary planet train (being transition gear axle and output gear shaft) to export carries out transmission, owing to wind-driven generator gear-box applying working condition is severe, load condition is extremely complex, and it is frequently necessary in gear-box application process at the scene is safeguarded；On powerful accelerating gearbox for wind power generator, according to the version of existing accelerating gearbox for wind power generator, the lubrication of each bearing and the bearing capacity of transition gear axle, output gear shaft and spring bearing thereof are difficult to, meanwhile, it is all that we must take into and the most perfect problem in the maintaining easily property etc. that height is aerial.Therefore, in the urgent need to developing a kind of powerful accelerating gearbox for wind power generator.
Utility model content
The purpose of this utility model is, does not adapt to the practical problem of powerful accelerating gearbox for wind power generator for existing accelerating gearbox for wind power generator lubrication and bearing capacity, it is provided that the accelerating gearbox for wind power generator of a kind of 2WM.
The purpose of this utility model is achieved in that the accelerating gearbox for wind power generator of a kind of 2WM, including casing, planet circular system, pipe axle, output gear train and lubricating system, it is characterised in that:
A) described casing includes front casing, middle casing peace row level casing, and wherein parallel stage casing includes upper box, lower box, transparent cover；
B) planet circular system described in includes line of input star wheel series, the second planet circular system, input stage ring gear is between front casing and middle casing, the second level ring gear of the second planet circular system is between middle casing peace row level casing, output gear train includes exporting gear wheel, output gear shaft and female splined shaft, and output gear wheel is fixed on female splined shaft；The female splined shaft of input stage and the sun gear of the second level and output gear train is sequentially arranged on same pipe axle；Input stage planet carrier is located by connecting by one end of pipe axis fixing plate with pipe axle, and the other end of pipe axle is passed through parallel stage casing and is connected with described female splined shaft by spline in transparent cover, second level sun gear by bearings；
C) lubricating system includes mechanical pump, oil path distributor and leads to the oil leab of each bearing, and mechanical pump outfan is connected with each oil leab by oil path distributor.
In this utility model, input stage planet carrier periphery is distributed four input stage planet wheel spindles in annular array mode, and second level planet carrier periphery is then distributed three second level planet wheel spindles in annular array mode.
In this utility model, input stage planet carrier uses full-complement cylinder roller bearing to be arranged between front casing and middle casing, and input stage planetary gear and second level planetary gear are all arranged on corresponding row spider gear shaft by the taper roll bearing of two arranged in co-axial alignment；Bearings is passed through in parallel stage casing in one end of output gear shaft and female splined shaft, the outlet side of output gear shaft and the other end of female splined shaft are supported in the outlet side of parallel stage casing by pairing cylinder roller bearing, and the outfan of output gear shaft passes through parallel stage casing.
In this utility model, mechanical pump is driven by oil pump gear axle, and female splined shaft end is additionally provided with oil pump gear, and oil pump gear axle passes through parallel stage casing with oil pump gear after engaging coaxially connected with mechanical pump power shaft.
In this utility model, input stage planet carrier passes through front casing, and the joint portion of input stage planet carrier and front casing and output gear shaft and oil pump gear axle are passed through the joint portion of parallel stage casing and be equipped with the sealing device including oil scraper ring and disc.
In this utility model, described lubricating system also includes that electrodynamic pump, electrodynamic pump and mechanical pump are serially connected in lubricating system by normally closed solenoid valve after being in parallel, and electrodynamic pump and machinery delivery side of pump are connected with each oil leab by same oil path distributor.
In this utility model, the upper box of parallel stage casing, lower box are linked into an integrated entity by pin, threaded fastener, and output gear shaft is respectively positioned on the joint portion of upper box and lower box with the pipe axle being positioned at outlet side.
The utility model has the advantage of: owing to casing being divided into front casing, middle casing and parallel stage casing, and parallel stage casing is made up of upper box and lower box, front casing is connected with middle casing by the first ring gear in line of input star wheel series；Middle casing is connected with parallel stage casing by the second ring gear in the second planet circular system；Cut-off rule between upper box and lower box coincides with the line of splined shaft and output gear shaft axle center, upper box uses pin, bolt to be connected with lower box simultaneously, the casing of this structure, for large gearbox, is not only beneficial to processing, and assembles and distinguish the most very much.Especially by input stage ring gear and second level ring gear simultaneously as the ingredient of casing, the overall weight of gear-box can be alleviated.
Of the present utility model it is also advantageous in that, owing to gear-box uses secondary planet train and the structure of one-level parallel axes (i.e. output gear shaft), input stage planet circular system uses four planetary gears, second level planet circular system uses three planetary gears, described each planetary gear all uses two cylindrical roller bearings to be supported on each self-corresponding planet wheel spindle, simultaneously, input stage planet carrier uses full-complement cylinder roller bearing to install, second level planet carrier uses biserial conical bearing, these measures enhance bearing capacity the most greatly, and reduce installing space.
Of the present utility model being also advantageous in that, be not provided only with independent mechanical pump due to gear-box, be additionally provided with electrodynamic pump, their outfan is connected with each oil leab by the same oil path distributor shared, for each lubricant housings offer forced feed lubrication of gear-box.It is serially connected in the lubricating system of gear-box by electromagnetic valve after mechanical pump and electrodynamic pump parallel connection, the duty of electrodynamic pump can be controlled by electromagnetic valve, even if under the out-of-work state of electrodynamic pump, mechanical pump still can be individually for gear-box and provide lubrication, guarantee under any state of gear-box, lubricating system can normally work, thus extends the service life of gear-box.
Of the present utility model be also advantageous in that, owing to input stage planet carrier is provided with input flange, meanwhile, line of input carrier on pipe axle by using baffle plate to position, easy accessibility so that change pipe axle in high-altitude more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the appearance schematic diagram of this utility model embodiment.
In figure, casing before 1, 2 input stage planet carriers, 3 input stage ring gears, casing in 4, 5 second level planet carriers, 6 second level ring gears, 7 lower boxes, 8 gear wheels, 9 female splined shafts, 10 oil pump gear wheels, 11 oil pump pinions, 12 oil pump gear axles, 13 transparent covers, 14 shaft couplings, 15 output gear shafts, 16 upper boxes, 17 pipe axles, 18 second level sun gears, 19 second level planetary gears, 20 second level planet wheel spindles, 21 input stage planetary gears, 22 input stage planet wheel spindles, 23 input stage sun gears, 24 pipe axis fixing plates, 25 input flanges, 75, oil path distributor, 76, electromagnetic valve, 77, electrodynamic pump, 78 lubricating system motors, 79 mechanical pumps.
Detailed description of the invention
The nonrestrictive concrete structure disclosing this utility model embodiment of accompanying drawing, the utility model will be further described below in conjunction with the accompanying drawings.
From Fig. 1 and Fig. 2, this utility model includes casing, planet circular system, pipe axle, output gear train and lubricating system, and concrete structure is:
Casing includes front casing 1, middle casing 4 and parallel stage casing, and wherein parallel stage casing includes upper box 16, lower box 7, transparent cover 13；
Described planet circular system includes line of input star wheel series, the second planet circular system, and wherein, input stage ring gear 3 is between front casing 1 and middle casing 4, and second level ring gear 6 is between middle casing 4 and parallel stage casing.Output gear train includes gear wheel 8, output gear shaft 15 and female splined shaft 9, and gear wheel 8 is fixed on female splined shaft 9；The female splined shaft 9 of input stage sun gear 23 and second level sun gear 18 and output gear train is sequentially arranged on same pipe axle 17；Input stage planet carrier 2 is located by connecting by one end of pipe axis fixing plate 24 with pipe axle 17, and the other end of pipe axle 17 is passed through parallel stage casing and is connected with described female splined shaft 9 by spline in transparent cover 13, second level sun gear 18 by bearings.
Described lubricating system includes mechanical pump 75, oil path distributor 75 and leads to the oil leab of each bearing, and mechanical pump 79 outfan is connected with each oil leab by oil path distributor 78.
In the present embodiment, bearings is passed through in parallel stage casing in one end of output gear shaft 15 and female splined shaft 9, the outlet side of output gear shaft 15 and the other end of female splined shaft 9 are supported in the outlet side of parallel stage casing by pairing cylinder roller bearing, and the outfan of output gear shaft 15 passes through parallel stage casing.
In the present embodiment, mechanical pump 79 is driven by oil pump gear axle 12, female splined shaft end is additionally provided with oil pump gear 10, oil pump gear axle is provided with oil pump pinion 11, oil pump gear axle 12 is engaged with oil pump gear 10 by oil pump pinion 11, and oil pump gear axle 12 is passed through the transparent cover 13 of parallel stage casing and is connected with mechanical pump 79 power shaft by shaft coupling 14.Also including in described lubricating system that electrodynamic pump 77, electrodynamic pump 77 and mechanical pump 79 are serially connected in lubricating system by normally closed solenoid valve 76 after being in parallel, the outfan of electrodynamic pump 77 and mechanical pump 79 is connected with each oil leab by same oil path distributor 75.
When being embodied as, input stage planet carrier 2 uses full-complement cylinder roller bearing to be arranged between front casing 1 and middle casing 4, input stage planet carrier 2 periphery is distributed four input stage planet wheel spindles 22 in annular array mode, second level planet carrier 5 periphery is then distributed three second level planet wheel spindles 20 in annular array mode, and input stage planetary gear 21 and second level planetary gear 19 are all arranged on corresponding row spider gear shaft by the taper roll bearing of two arranged in co-axial alignment.
When being embodied as, the upper box 7 of parallel stage casing, lower box 16 are linked into an integrated entity composition by pin, threaded fastener, output gear shaft 15 and be positioned at the pipe axle 17 of outlet side and be respectively positioned on upper box 7 and the joint portion of lower box 16.Input stage planet carrier 2 passes through front casing, and the joint portion of input stage planet carrier 2 and front casing 1 and output gear shaft 15, pipe axle 17 and oil pump gear axle 12 pass through the joint portion of parallel stage casing and be equipped with the sealing device including oil scraper ring and disc.
Time actually used, the kinetic energy that wind-force is formed is inputted by input stage planet carrier 2, input stage planetary gear 21 is made to rotate around input stage sun gear 23, owing to input stage planetary gear 21 engages with input stage ring gear 3, input stage sun gear 23 simultaneously, make input stage sun gear 23 produce rotation, and drive second level planet carrier 5 synchronous axial system；Second level planet carrier 5 makes second level planetary gear 19 rotate around second level sun gear 18, owing to second level planetary gear 19 engages with second level ring gear 6, second level sun gear 18 simultaneously, make second level sun gear 18 produce rotation, and drive female splined shaft 9 and gear wheel 8 synchronous axial system；Then drive output gear shaft 15 high-speed rotation, finally driven electrical power generators by output gear shaft 15.
In work, the lubricating oil in grease-box, under the common effect of mechanical pump 79 and electrodynamic pump 77, transports to each oil leab by oil path distributor 75, provides lubricating oil for all of bearing and gear.
When wind-driven generator dallies, electric-motor pump 77 stops, and has mechanical pump 79 normally to work by continuing holding lubricating system, provides lubricating oil for each oil site in gear-box.
Claims (7)
1. an accelerating gearbox for wind power generator of 2WM, including casing, planet circular system, pipe axle, output gear train and lubricating system, it is characterised in that:
A) described casing includes front casing, middle casing peace row level casing, and wherein parallel stage casing includes upper box, lower box, transparent cover；
B) planet circular system described in includes line of input star wheel series, the second planet circular system, and wherein, input stage ring gear is between front casing and middle casing, and second level ring gear is between middle casing peace row level casing；Output gear train includes gear wheel, output gear shaft and female splined shaft, and gear wheel is fixed on female splined shaft；The female splined shaft of input stage and the sun gear of the second level and output gear train is sequentially arranged on same pipe axle；Input stage planet carrier is located by connecting by one end of pipe axis fixing plate with pipe axle, and the other end of pipe axle is passed through parallel stage casing and is connected with described female splined shaft by spline in transparent cover, second level sun gear by bearings；
C) lubricating system includes mechanical pump, oil path distributor and leads to the oil leab of each bearing, and mechanical pump outfan is connected with each oil leab by oil path distributor.
The accelerating gearbox for wind power generator of 2WM the most according to claim 1, it is characterized in that, input stage planet carrier periphery is distributed four input stage planet wheel spindles in annular array mode, and second level planet carrier periphery is then distributed three second level planet wheel spindles in annular array mode.
The accelerating gearbox for wind power generator of 2WM the most according to claim 2, it is characterized in that, input stage planet carrier uses full-complement cylinder roller bearing to be arranged between front casing and middle casing, and input stage planetary gear and second level planetary gear are all arranged on corresponding row spider gear shaft by the taper roll bearing of two arranged in co-axial alignment；Bearings is passed through in parallel stage casing in one end of output gear shaft and female splined shaft, the outlet side of output gear shaft and the other end of female splined shaft are supported in the outlet side of parallel stage casing by pairing cylinder roller bearing, and the outfan of output gear shaft passes through parallel stage casing.
The accelerating gearbox for wind power generator of 2WM the most according to claim 1, it is characterized in that, mechanical pump is driven by oil pump gear axle, and female splined shaft end is additionally provided with oil pump gear, and oil pump gear axle is passed through parallel stage casing after engaging with oil pump gear and is connected with mechanical pump power shaft by shaft coupling.
The accelerating gearbox for wind power generator of 2WM the most according to claim 4, it is characterized in that, input stage planet carrier passes through front casing, and the joint portion of input stage planet carrier and front casing and output gear shaft, pipe axle and oil pump gear axle pass through the joint portion of parallel stage casing and be equipped with the sealing device including oil scraper ring and disc.
6. according to the accelerating gearbox for wind power generator of the 2WM one of claim 1-5 Suo Shu, it is characterized in that, described lubricating system also includes electrodynamic pump, electrodynamic pump and mechanical pump are serially connected in lubricating system by normally closed solenoid valve after being in parallel, and electrodynamic pump and machinery delivery side of pump are connected with each oil leab by same oil path distributor.
The accelerating gearbox for wind power generator of 2WM the most according to claim 6, it is characterized in that, the upper box of parallel stage casing, lower box are connected in one by pin, threaded fastener, and output gear shaft is respectively positioned on the joint portion of upper box and lower box with the pipe axle being positioned at outlet side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103612.XU CN205445910U (en) | 2015-12-28 | 2015-12-28 | 2WM's increasing gear for aerogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103612.XU CN205445910U (en) | 2015-12-28 | 2015-12-28 | 2WM's increasing gear for aerogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205445910U true CN205445910U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103612.XU Active CN205445910U (en) | 2015-12-28 | 2015-12-28 | 2WM's increasing gear for aerogenerator |
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| Country | Link |
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| CN (1) | CN205445910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654178A (en) * | 2018-11-29 | 2019-04-19 | 安徽国防科技职业学院 | A kind of novel megawatt wind power gear case transmission system |
-
2015
- 2015-12-28 CN CN201521103612.XU patent/CN205445910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654178A (en) * | 2018-11-29 | 2019-04-19 | 安徽国防科技职业学院 | A kind of novel megawatt wind power gear case transmission system |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191008 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, Jiangning District, Jiangsu, Nanjing Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200514 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. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230207 Granted publication date: 20160810 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230327 Granted publication date: 20160810 |