CN206112042U - Gear box and aerogenerator - Google Patents
Gear box and aerogenerator Download PDFInfo
- Publication number
- CN206112042U CN206112042U CN201621167257.7U CN201621167257U CN206112042U CN 206112042 U CN206112042 U CN 206112042U CN 201621167257 U CN201621167257 U CN 201621167257U CN 206112042 U CN206112042 U CN 206112042U
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- gear
- output shaft
- storage tank
- casing
- oil storage
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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 relates to a sealing technique field of gear box, in particular to gear box and aerogenerator. The gear box includes: the output shaft, on the output shaft, along its axial direction, be provided with helical structure. The utility model provides a gear box, prevent the lubricant discharge box through helical structure outside, helical structure's simple structure, the machining precision requires lowerly, the processing cost is low.
Description
Technical field
The utility model is related to the technical field of sealing technology of gear-box, more particularly to a kind of gear-box and wind-driven generator.
Background technology
With the gradually decreasing of non-renewable energy resources, energy unit price more and more higher, reproducible new forms of energy are increasingly subject to
The concern of people, WWEA subordinate technology committee member issues《Wind energy 2050 is done step-by-step 100% regenerative resource power supply》
100% regenerative resource power supply achievable to the year two thousand fifty whole world is pointed out in report, report, and wherein wind-powered electricity generation accounting is up to 40%；IEA：
Renewable energy source item accounts for the 50% of the newly-increased Power Project in the whole world, on November 30th, 2015 within 2014《The United Nations's climate change
Framework convention》Middle President Xi Jinping represents that China is all world-leading big in energy-conservation and Renewable Energy Development field
State, the key content that Ecological Civilization Construction develops during being also Chinese " 13 ".
Wind power generating set is mainly made up of six major parts, i.e.,：Wheel hub impeller, main shaft, step-up gear, generator, machine
Bilge seat and tower.Wherein gear-box is particularly important, and gear-box is arranged in the small space of tower top, once there is big event
Barrier, repairs extremely difficult, so the reliability requirement of gear-box is higher.And gear-box oil leakage fault be gear-box persistent ailment it
One, the loss of lubricating oil not only causes to lack enough lubricants capacities inside gear-box to meet gear engagement and bearing operation institute
Need, can more have a strong impact on engine room inside environment.Output shaft is because in high speed rotation status, existing Sealing Technology majority is effect
The encapsulation scheme of the heavy-duty machinery reductors such as the steel rolling of imitative tradition, lifting, carries out double optimization and is modified on wind turbine gearbox.
Wherein labyrinth type sealing is most commonly seen, and feature is exactly to form concaveconvex structure using multiple tracks oil blocking ring so that unnecessary
Lubricating oil is finally reached the effect of sealing by mazy structure barrier layer by layer, weakening.But in actual mechanical process, labyrinth
Complex structure, it is desirable to high precision, high processing costs, the precision of lathe and the level of skill of workman be affect its sealing effectiveness
Maximum bottleneck, simultaneously because spill port is limited by space, so spill port can not possibly be sufficiently large, the increase of oil leak risk.That is, existing
There is the labyrinth sealing method in technology, its complex structure, requirement on machining accuracy is higher, high processing costs.
Utility model content
The purpose of this utility model is to provide a kind of gear-box and wind-driven generator, to solve gear of the prior art
Case seal structure complex, requirement on machining accuracy is higher, the technical problem of high processing costs.
The utility model provides a kind of gear-box, and the gear-box includes：Output shaft；On the output shaft, along its axial direction
Direction, is provided with helical structure.
Further, the gear-box also includes end cap；The output shaft passes through the end cap, and the helical structure to set
Put and worn on the part for connecing with the end cap in the output shaft.
Further, the gear-box also includes disc；The disc is enclosed within the output shaft, and described gets rid of oil
Ring and the helical structure interval setting；The disc, away from the side of the output shaft, the inside to the casing is inclined
Tiltedly, so that the disc guides lubricating oil to flow to the direction away from end cap.
Further, the gear-box also includes felt seal ring；The felt seal ring is enclosed within the output shaft, and
Abut with the inwall of the end cap, along the bearing of trend of the output shaft, the felt seal ring is with the helical structure successively
Arrange.
Further, the gear-box also includes casing；The end cap is connected with the openend of the casing；The end cap
On, along the axial direction of the output shaft, it has been positioned apart from the first oil storage tank and the second oil storage tank；
The bottom of the casing is provided with the first drainback passage connected with first oil storage tank, and with described second
Second drainback passage of oil storage tank connection；First drainback passage and second drainback passage be used to guiding fluid towards away from
The end cap direction flowing, and the bearing of trend of the bearing of trend of first drainback passage and second drainback passage with
Angle between the axis of the output shaft is respectively positioned between 8 ° -12 °.
Further, first drainback passage and second drainback passage, along the circumferential direction of the casing, interval
Arrange.
Further, inner inclination from the inwall of the openend of second oil storage tank to second oil storage tank, with hinder
The lubricating oil kept off in second oil storage tank flows out from the openend of second oil storage tank.
Further, the gear-box also includes connecting tube；One end of the connecting tube connects with second oil storage tank,
The other end is connected with the casing, so that the lubricating oil in second oil storage tank flows into the casing by the connecting tube
It is interior.
Further, the upper end of the casing is provided with blow vent.
Further, the gear-box also includes V-shaped seal ring；The V-shaped seal ring is enclosed within the output shaft, and with
The inwall of the end cap is abutted；Inside of the thicker one end of the V-shaped seal ring towards the casing.
Further, the utility model also provides a kind of wind-driven generator, including：The gear-box that the utility model is provided.
The gear-box that the utility model is provided, on the output shaft of gear-box helical structure is arranged.When using gear-box,
The direction of rotation of output shaft is oppositely oriented with helical structure, after the lubricating oil on output shaft flows into helical structure, spiral
Structure can to lubricating oil apply towards box house active force so that the lubricating oil in helical structure is to box house stream
It is dynamic, and then prevent outside outflow of lubrication oil casing.
The gear-box that the utility model is provided, is prevented outside outflow of lubrication oil casing, the knot of helical structure by helical structure
Structure is simple, and requirement on machining accuracy is relatively low, and processing cost is low.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the gear-box according to the utility model embodiment；
Fig. 2 is the partial enlarged drawing of the second oil storage tank in gear-box according to the utility model embodiment.
In figure：
1- output shafts；2- helical structures；3- end caps；
4- casings；5- discs；6- bearings；
The oil storage tanks of 7- first；The oil storage tanks of 8- second；The drainback passages of 9- first；
The drainback passages of 10- second；11- felt seal rings；12-V type sealing rings；
13- connecting tubes；14- alignment pins；15- lock washers；
16- locking nuts.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
Fig. 1 is the structural representation of the gear-box according to the utility model embodiment, as shown in figure 1, the present embodiment is provided
A kind of gear-box, gear-box includes：Output shaft 1；On output shaft 1, along its axial direction, helical structure 2 is provided with.
Wherein, helical structure 2 can spiral groove be arranged on output shaft 1, or is arranged on output shaft 1
Spirality is raised.The groove depth of helical structure 2 can be the semicircle of R2.5mm, and pitch can be 10mm, and angle is 4 °.
Helical structure 2 may be located at the inside of the casing 4 of gear-box, it is also possible to outside casing 4, and abutting with end cap 3 makes
With.
The gear-box that the present embodiment is provided, arranges helical structure 2 on the output shaft 1 of gear-box.When using gear-box,
The direction of rotation of output shaft 1 is oppositely oriented with helical structure 2, after the lubricating oil on output shaft 1 flows into helical structure 2,
Helical structure 2 can apply towards the active force inside casing 4 to lubricating oil, so that the lubricating oil in helical structure 2 is to case
The internal flow of body 4, and then prevent outside outflow of lubrication oil casing 4.
The gear-box that the present embodiment is provided, is prevented outside outflow of lubrication oil casing 4, the knot of helical structure 2 by helical structure 2
Structure is simple, and requirement on machining accuracy is relatively low, and processing cost is low.
As shown in figure 1, on the basis of above-described embodiment, further, gear-box also includes end cap 3；Output shaft 1 is passed through
End cap 3, and helical structure 2 is arranged on output shaft 1 and end cap 3 is worn on the part for connecing.
Wherein, the bearing 6 and end cap 3 in casing 4 can be fixed by locking nut 16 and lock washer 15, end cap 3 and case
Body 4 is fixed by alignment pin 14.
In the present embodiment, helical structure 2 is arranged on into output shaft 1 and is worn on the part for connecing with end cap 3, that is, helical structure 2
The outside of the bearing 6 in gear-box.Lubricating oil on bearing 6 flows along the output end to output shaft 1 of output shaft 1,
Now, helical structure 2 stops the outflow of lubrication oil.
In the present embodiment, helical structure 2 is arranged on into output shaft 1 and is worn on the part for connecing with end cap 3, can be to the profit of bearing 6
Lubricating oil also functions to barrier effect, improves sealing effectiveness.
As shown in figure 1, on the basis of above-described embodiment, further, gear-box also includes disc 5；5 sets of disc
On output shaft 1, and disc 5 and the interval setting of helical structure 2；Disc 5, away from the side of output shaft 1, to casing 4
Inner inclination, so that disc 5 guides lubricating oil to flow to the direction away from end cap 3.
Wherein, disc 5 away from the one side of the output end of output shaft 1 bearing of trend, with the axis of output shaft 1 to output
At an acute angle can arrange between the bearing of trend at end.Preferably, the acute angle is 30 °.
Disc 5 is in 25 ° -35 ° with the radial direction of output shaft 1 away from the side of output shaft 1, it is preferable that angle between the two
Spend for 30 °.
In the present embodiment, by disc 5 away from a lateral casing 4 of output shaft 1 inner inclination, when disc 5 with
When output shaft 1 rotates, lubricating oil flows along the side bearing of trend of disc 5, so that grease-box is away from end cap 3
Direction, namely internal flow of the lubricating oil to casing 4 is caused, further block lubricating oil and flow out casing 4 along output shaft 1
Outward.
As shown in figure 1, on the basis of above-described embodiment, further, gear-box also includes felt seal ring 11；Felt
Sealing ring 11 is enclosed within output shaft 1, and is abutted with the inwall of end cap 3, along the bearing of trend of output shaft 1, felt seal ring 11 with
Helical structure 2 sets gradually.
Wherein, felt seal ring 11 can set gradually along output shaft 1 with helical structure 2 towards the direction of its output end,
The direction that its output end can be directed away from along output shaft 1 sets gradually.Preferably, it is the latter, now, lubricating oil is by helical structure
2 stop that another portion is stopped again by felt seal ring 11 after a part, so as to improve the effect for preventing oil leak of gear-box.
In the present embodiment, felt seal ring 11 is covered on output shaft 1, felt seal ring 11 can be further functioned as and prevent oil leak
With dust-proof effect.
As shown in figure 1, on the basis of above-described embodiment, further, gear-box also includes casing 4；End cap 3 and casing
4 openend connection；On end cap 3, along the axial direction of output shaft 1, the first oil storage tank 7 and the second oil storage tank have been positioned apart from
8；
The bottom of casing 4 is provided with the first drainback passage 9 connected with the first oil storage tank 7, and connects with the second oil storage tank 8
The second logical drainback passage 10；First drainback passage 9 and the second drainback passage 10 are used to guide fluid towards the direction away from end cap 3
Flowing, and between the axis of the bearing of trend and output shaft 1 of the bearing of trend of the first drainback passage 9 and the second drainback passage 10
Angle is respectively positioned between 8 ° -12 °.
Wherein, the axis of the bearing of trend of the bearing of trend of the first drainback passage 9 and the second drainback passage 10 and output shaft 1
Between angle can be with identical, also can be different.Preferably, both are identical, and such convenient use person fabricates the first oil return and leads to
The drainback passage 10 of road 9 and second.Preferably, the bearing of trend of the bearing of trend of the first drainback passage 9 and the second drainback passage 10
And the angle between the axis of output shaft 1 is 10 °, now, the oil return speed of the first drainback passage 9 and the second drainback passage 10
It is most fast.
Preferably, the first oil storage tank 7, the oil storage tank 8 of helical structure 2 and second, along output shaft 1 towards its output end extension side
To setting gradually.Now, on output shaft 1 parts of lubricating oil is first-selected to enter the first oil storage tank 7, is flowed by the first drainback passage 9
Casing 4 is returned, remainder lubricating oil continues to be flowed to the output end of output shaft 1, and a part is stopped by helical structure 2, is flow to
First oil storage tank 7, by the first drainback passage 9 casing 4 is flowed back to.Unnecessary lubricating oil enters the second oil storage tank 8, and by second
Drainback passage 10 flows back into casing 4.In the present embodiment, the lubricating oil on output shaft 1 is successively by the first oil storage tank 7, helical structure 2
Stop its outflow with the second oil storage tank 8, the effect for preventing oil leak of the gear-box of the utility model offer is provided.Due to second
The structure setting of oil storage tank 8, the internal wall separates by end cap 3 be near output shaft 1 output end the first inwall and away from output
Second inwall of the output end of axle 1.Now, helical structure 2 is corresponding with the second inwall.Preferably, the two ends difference of helical structure 2
Distance to the two ends of the second inwall is 5-10mm, and so due to the cooperation with the second inwall, its sealing effectiveness is more preferable.
In the present embodiment, by the bearing of trend of the bearing of trend of the first drainback passage 9 and the second drainback passage 10 and output
Angle between the axis of axle 1 is respectively positioned between 8 ° -12 °, that is, increasing the first drainback passage 9 and the second drainback passage 10
Angle of inclination, so as to improve the oil return speed of the first drainback passage 9 and the second drainback passage 10.
As shown in figure 1, on the basis of above-described embodiment, further, the first drainback passage 9 and the second drainback passage
10, along the circumferential direction of casing 4, interval setting.
In the present embodiment, by the first drainback passage 9 and the second drainback passage 10 casing 4 circumferential direction interval setting,
So as to both existence positions can be made poor, it is to avoid user is processing the first drainback passage 9 and during the second drainback passage 10, due to behaviour
Make it is improper both are connected, fabricate the first drainback passage 9 and the second drainback passage 10 so as to facilitate user.
Fig. 2 is the partial enlarged drawing of the second oil storage tank in gear-box according to the utility model embodiment, such as Fig. 1 and Fig. 2
Shown, on the basis of above-described embodiment, further, the inwall of the openend of the second oil storage tank 8 inclines to the inside of oil storage tank
Tiltedly, flowed out from the openend of the second oil storage tank 8 with stopping the lubricating oil in the second oil storage tank 8.
Wherein, the inwall of the openend of the second oil storage tank 8 and the angle of the radial direction of output shaft 1 are 70 ° -80 °.It is excellent
Selection of land, the angle is 75 °, be tests prove that, its action effect is optimal when angle is 75 °.
In the present embodiment, by inner inclination from the inwall of the openend of the second oil storage tank 8 to oil storage tank, when the second oil storage tank
When lubricating oil in 8 is rocked in the second oil storage tank 8, the inwall can play stop lubricating oil from the openend of the second oil storage tank 8
The effect of outflow, so as to the lubricating oil in the second oil storage tank 8 can be made to flow back to casing 4 from the second drainback passage 10.
As shown in figure 1, on the basis of above-described embodiment, further, gear-box also includes connecting tube 13；Connecting tube 13
One end connect with the second oil storage tank 8, the other end is connected with casing 4, so that the lubricating oil in oil storage tank is flowed by connecting tube 13
Enter to casing 4.
In this enforcement, when the lubrication Chuck Steak in the second oil storage tank 8, lubricating oil in the second oil storage tank 8 part from
Second drainback passage 10 flows back to casing 4, and another part flows back into casing 4 by connecting tube 13.The setting of connecting tube 13 is accelerated
Lubricating oil in second oil storage tank 8 flows back to speed, so as to avoid the full lubrication groove of the second oil storage tank 8 inner product, causes output shaft 1
On lubricating oil flow out to its output end.
In the present embodiment, it is three road oil circuits that the setting of connecting tube 13 can make gear-box, that is, the first drainback passage
9th, the second drainback passage 10 and connecting tube 13, so as to accelerate lubricating oil speed is flowed back to.
On the basis of above-described embodiment, further, the upper end of casing 4 is provided with blow vent.
In the present embodiment, in the upper end setting blow vent of casing 4, can make inside casing 4, the first oil storage tank 7 and second is stored up
Oil groove 8 is connected with extraneous air, so as to avoid forming malleation in the second oil storage tank 8, improves stablizing during gear-box use
Property.
On the basis of above-described embodiment, further, gear-box also includes V-shaped seal ring 12；V-shaped seal ring 12 is enclosed within
On output shaft 1, and abut with the inwall of end cap 3；Inside of the thicker one end of V-shaped seal ring 12 towards casing 4.
In the present embodiment, by thicker one end of v-ring 12 towards casing 4 inside, that is, with prior art phase
Than, v-ring 12 is instead filled, can improve v-ring 12 prevents oil leak effect, while end cap 3 and v-ring can be avoided
12 abrasions.
On the basis of above-described embodiment, further, the utility model also provides a kind of wind-driven generator, including：This
The gear-box that utility model is provided.Ibid, here is omitted for principle.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (11)
1. a kind of gear-box, it is characterised in that include：Output shaft (1)；
On the output shaft (1), along its axial direction, helical structure (2) is provided with.
2. gear-box according to claim 1, it is characterised in that also including end cap (3)；
The output shaft (1) is through the end cap (3), and the helical structure (2) is arranged on the output shaft (1) and the end
Lid (3) is worn on the part for connecing.
3. gear-box according to claim 1, it is characterised in that also including disc (5)；
The disc (5) is enclosed within the output shaft (1), and the disc (5) sets with the helical structure (2) interval
Put；The disc (5), away from the side of the output shaft (1), to the inner inclination of casing (4), so that the disc
(5) lubricating oil is guided to flow to the direction away from end cap (3).
4. gear-box according to claim 2, it is characterised in that also including felt seal ring (11)；
The felt seal ring (11) is enclosed within the output shaft (1), and is abutted with the inwall of the end cap (3), along described defeated
The bearing of trend of shaft (1), the felt seal ring (11) sets gradually with the helical structure (2).
5. gear-box according to claim 2, it is characterised in that also including casing (4)；
The end cap (3) is connected with the openend of the casing (4)；On the end cap (3), along the axial direction of the output shaft (1)
Direction, has been positioned apart from the first oil storage tank (7) and the second oil storage tank (8)；
The bottom of the casing (4) is provided with the first drainback passage (9) connected with first oil storage tank (7), and with institute
State second drainback passage (10) of the second oil storage tank (8) connection；First drainback passage (9) and second drainback passage
(10) for guide fluid towards away from the end cap (3) direction flow, and the bearing of trend of first drainback passage (9) and
Angle between the bearing of trend of the second drainback passage (10) and the axis of the output shaft (1) be respectively positioned on 8 ° -12 ° it
Between.
6. gear-box according to claim 5, it is characterised in that first drainback passage (9) and second oil return
Passage (10), along the circumferential direction of the casing (4), interval setting.
7. gear-box according to claim 5, it is characterised in that the inwall of the openend of second oil storage tank (8) to
The inner inclination of second oil storage tank (8), to stop the lubricating oil in second oil storage tank (8) from second oil storage tank
(8) flow out openend.
8. gear-box according to claim 5, it is characterised in that also including connecting tube (13)；
One end of the connecting tube (13) connects with second oil storage tank (8), and the other end is connected with the casing (4), so that
Lubricating oil in second oil storage tank (8) is flowed in the casing (4) by the connecting tube (13).
9. gear-box according to claim 5, it is characterised in that the upper end of the casing (4) is provided with blow vent.
10. gear-box according to claim 5, it is characterised in that also including V-shaped seal ring (12)；
The V-shaped seal ring (12) is enclosed within the output shaft (1), and is abutted with the inwall of the end cap (3)；The V-type is close
Inside of the thicker one end of seal (12) towards the casing (4).
11. a kind of wind-driven generators, it is characterised in that include：Gear-box as described in any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167257.7U CN206112042U (en) | 2016-10-31 | 2016-10-31 | Gear box and aerogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167257.7U CN206112042U (en) | 2016-10-31 | 2016-10-31 | Gear box and aerogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112042U true CN206112042U (en) | 2017-04-19 |
Family
ID=58524971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621167257.7U Active CN206112042U (en) | 2016-10-31 | 2016-10-31 | Gear box and aerogenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112042U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366749A (en) * | 2017-08-28 | 2017-11-21 | 利辛县宝隆橡塑密封件有限责任公司 | A kind of dust seal |
| CN107939954A (en) * | 2017-12-26 | 2018-04-20 | 三重能有限公司 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
| CN110375059A (en) * | 2019-07-17 | 2019-10-25 | 成都中车电机有限公司 | A kind of traction motor bearing seal structure and installation method |
-
2016
- 2016-10-31 CN CN201621167257.7U patent/CN206112042U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366749A (en) * | 2017-08-28 | 2017-11-21 | 利辛县宝隆橡塑密封件有限责任公司 | A kind of dust seal |
| CN107939954A (en) * | 2017-12-26 | 2018-04-20 | 三重能有限公司 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
| CN110375059A (en) * | 2019-07-17 | 2019-10-25 | 成都中车电机有限公司 | A kind of traction motor bearing seal structure and installation method |
| CN110375059B (en) * | 2019-07-17 | 2024-04-09 | 成都中车电机有限公司 | Traction motor bearing sealing structure and installation method |
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Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |