CN107939954A - Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine - Google Patents
Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine Download PDFInfo
- Publication number
- CN107939954A CN107939954A CN201711433791.7A CN201711433791A CN107939954A CN 107939954 A CN107939954 A CN 107939954A CN 201711433791 A CN201711433791 A CN 201711433791A CN 107939954 A CN107939954 A CN 107939954A
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- Prior art keywords
- oil
- recovery tank
- wall
- wind power
- box assembly
- 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.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 101
- 238000011084 recovery Methods 0.000 claims description 128
- 238000013016 damping Methods 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 61
- 239000010687 lubricating oil Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000314 lubricant Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The present invention relates to oil-leakage-prevention technical field, more particularly to a kind of sealing structure and wind power speed-increasing machine for wind power speed-increasing machine.The sealing structure includes：Sealing ring and box assembly；Mounting hole is provided with box assembly；Sealing ring is installed in the mounting hole；Formed with helicla flute between the outer wall of sealing ring and the inner wall of mounting hole；The rotation direction of helicla flute is opposite with the rotation direction of sealing ring.Provided by the present invention for the sealing structure of wind power speed-increasing machine, by setting helicla flute to promote lubricating oil to box house, the lubricants capacity from box house outflow is reduced, reduces oil leak amount, improves sealing effect.
Description
Technical field
The present invention relates to oil-leakage-prevention technical field, more particularly to a kind of sealing structure and wind-powered electricity generation for wind power speed-increasing machine increases
Fast machine.
Background technology
Wind power speed-increasing machine, for wind-driven generator, has that small, bearing capacity is high, service life is long, operating is flat
Surely, low noise, temperature rise control the features such as reasonable.Wind power speed-increasing machine includes babinet and the shaft being arranged on babinet, shaft and case
Sealing ring is provided between internal wall, sealing ring is rotated with shaft opposite case, be provided with the inner wall of babinet the first oil-recovery tank,
Second oil-recovery tank and the 3rd oil-recovery tank, the outer wall of the first oil-recovery tank, the second oil-recovery tank and sealing ring form the first oil back chamber, second
Oil back chamber and the 3rd oil back chamber.Positioned at box house, shaft outer wall sets bearing, lubrication is passed through to bearing by oil distributing ring groove
Oil, a unnecessary lubricating oil part flows back to babinet on bearing, and a part flows into the first oil back chamber, the unnecessary lubrication of the first oil back chamber
Oil flows into the second oil back chamber again and the 3rd oil back chamber is stored.
But lubricants capacity is relatively more, at the same first, second, third oil back chamber drainback passage it is not big enough when, easily make
Accumulate in each oil back chamber into gear oil, and then flowed out out of babinet, oil leakage phenomenon occur.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of sealing structure and wind power speed-increasing machine for wind power speed-increasing machine
Have that the wind power speed-increasing machine oil leakage phenomenon in technology is serious, the technical problem of sealing effect difference.
The present invention provides a kind of sealing structure for wind power speed-increasing machine, which includes：Sealing ring and babinet group
Part；Mounting hole is provided with the box assembly；The sealing ring is installed in the mounting hole；The outer wall of the sealing ring with
Formed with helicla flute between the inner wall of the mounting hole；The rotation direction of the helicla flute is opposite with the rotation direction of the sealing ring.
Further, the helicla flute is arranged on the outer wall of the sealing ring.
Further, equal first time connected with box assembly inside is arranged at intervals with the inner wall of the mounting hole
Oil groove and the second oil-recovery tank；Second oil-recovery tank is located at first oil-recovery tank away from the side inside the box assembly；
The part of the helicla flute is located in first oil-recovery tank, partly in second oil-recovery tank.
Further, it is provided with dashpot on the inner wall of the mounting hole；The dashpot is located at second oil-recovery tank
Side away from first oil-recovery tank；The first positioning protrusion is provided with the outer wall of the sealing ring；First convex
Rise in the dashpot；0.8- is spaced between the outer wall of first positioning protrusion and the bottom wall of the dashpot
1.0mm。
Further, the 3rd oil-recovery tank with being connected inside the box assembly is provided with the inner wall of the mounting hole；
By the inside of the box assembly to exterior direction, first oil-recovery tank, second oil-recovery tank and the 3rd oil return
Groove is arranged at intervals successively；On the outer wall of the sealing ring, in the 3rd oil-recovery tank, be provided with a ring get rid of oil groove.
Further, it is provided with seal groove on the inner wall of the mounting hole；The seal groove is located at the 3rd oil-recovery tank
One end away from second oil-recovery tank.
Further, on the outer wall of the sealing ring, in the 3rd oil-recovery tank, it is provided with the second positioning protrusion；
The cross sectional shape of second positioning protrusion is triangle.
Further, on the inner wall of the mounting hole, between first oil-recovery tank and second oil-recovery tank, if
It is equipped with oil distributing ring groove and damping hole；One end of the damping hole is connected with the oil distributing ring groove, the other end and the box assembly
On fuel feed hole connection.
Further, it is provided with first exhaust passage on the box assembly；One end of the first exhaust passage and institute
The connection of the first oil-recovery tank is stated, the other end is connected with the inside of the box assembly；
And/or second exhaust passage is provided with the box assembly；One end of the second exhaust passage and described the
Two oil-recovery tanks connect, and the other end is connected with the inside of the box assembly；
And/or the 3rd exhaust passage is provided with the box assembly；One end of 3rd exhaust passage and described the
Three oil-recovery tanks connect, and the other end is connected with the inside of the box assembly.
Further, the present invention also provides a kind of wind turbine booster engine, the wind turbine booster engine to include：Shaft and institute of the present invention
The sealing structure for wind power speed-increasing machine stated；The shaft is threaded through in the sealing ring.
Provided by the present invention for the sealing structure of wind power speed-increasing machine, which includes sealing ring and box assembly,
When in use, shaft is threaded through in sealing ring, and sealing ring is rotated with shaft, the bearing in box assembly after oil lubrication,
A unnecessary lubricating oil part is flowed back to inside box assembly, and a part passes through helicla flute to box assembly flows outside.Due to spiral shell
The rotation direction of spin slot and the rotation direction of sealing ring are on the contrary, that is, the rotation direction of helicla flute and the rotation direction of shaft are on the contrary, sealing ring
Active force towards box assembly internal direction is applied to the lubricating oil flowed into helicla flute, so that by lubricating oil to box assembly
Inside promotes, so that reducing lubricating oil flows into oil-recovery tank, and flows to outside babinet.
Provided by the present invention for the sealing structure of wind power speed-increasing machine, by setting helicla flute by lubricating oil to box house
Promote, reduce the lubricants capacity from box house outflow, reduce oil leak amount, improve sealing effect.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the partial structural diagram of the sealing structure for wind power speed-increasing machine according to embodiments of the present invention；
Fig. 2 is another structure diagram of the sealing structure for wind power speed-increasing machine shown in Fig. 1；
Fig. 3 is the partial structural diagram of the sealing structure according to another embodiment of the present invention for wind power speed-increasing machine；
Fig. 4 is another structure diagram of the sealing structure for wind power speed-increasing machine shown in Fig. 3.
In figure：
1- sealing rings；2- box assemblies；3- shafts；
The first oil-recovery tanks of 4-；5- helicla flutes；The second oil-recovery tanks of 6-；
The first positioning protrusion of 7-；8- seal clearances；The 3rd oil-recovery tanks of 9-；
The second positioning protrusion of 10-；11- gets rid of oil groove；12- first exhaust passages；
The 3rd exhaust passages of 13-；14- second exhaust passages；15- oil distributing ring grooves；
16- damping holes；21- babinets；22- locating rings；
23- end caps.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the partial structural diagram of the sealing structure for wind power speed-increasing machine according to embodiments of the present invention；Fig. 2 is
Another structure diagram of the sealing structure for wind power speed-increasing machine shown in Fig. 1；Fig. 3 is according to another embodiment of the present invention
Partial structural diagram for the sealing structure of wind power speed-increasing machine；Fig. 4 is the sealing knot for wind power speed-increasing machine shown in Fig. 3
Another structure diagram of structure.As shown in Figures 1 to 4, the embodiment of the present invention provides a kind of sealing knot for wind power speed-increasing machine
Structure includes：Sealing ring 1 and box assembly 2；Mounting hole is provided with box assembly 2；Sealing ring 1 is installed in mounting hole；Sealing
Formed with helicla flute 5 between the outer wall of ring 1 and the inner wall of mounting hole；The rotation direction of helicla flute 5 and the rotation direction phase of sealing ring 1
Instead.
Sealing structure provided in an embodiment of the present invention for wind power speed-increasing machine, the sealing structure include sealing ring 1 and case
Body component 2, when in use, shaft 3 are threaded through in sealing ring 1, and are connected with 1 interference of sealing ring, and sealing ring 1 is rotated with shaft 3,
After oil lubrication, a unnecessary lubricating oil part flows back to inside box assembly 2 bearing in box assembly 2, part warp
Helicla flute 5 is crossed to 2 flows outside of box assembly.Since the rotation direction of helicla flute 5 and the rotation direction of sealing ring 1 are on the contrary, that is, spiral shell
The rotation direction of spin slot 5 is with the rotation direction of shaft 3 on the contrary, sealing ring 1 applies towards babinet group the lubricating oil flowed into helicla flute 5
The active force of 2 internal direction of part, so that by lubricating oil to promoting inside box assembly 2, so that reducing lubricating oil flows into oil-recovery tank
Amount, and then avoid lubricating oil from leaking outside.Sealing structure provided in an embodiment of the present invention for wind power speed-increasing machine, by setting spiral shell
Lubricating oil to promoting inside babinet 21, is reduced the lubricants capacity from the outflow of the inside of babinet 21, reduces oil leak amount, improved by spin slot 5
Sealing effect.
Wherein, the first oil-recovery tank 4, the second oil-recovery tank 6 and the 3rd oil-recovery tank are sequentially arranged at intervals with the inner wall of mounting hole
9, the outer wall of the first oil-recovery tank 4, the second oil-recovery tank 6 and the 3rd oil-recovery tank 9 and sealing ring 1 forms the first oil back chamber, second respectively
Oil back chamber and the 3rd oil back chamber.Helicla flute 5 can be arranged between the first oil-recovery tank 4 and the second oil-recovery tank 6, can also be arranged on
Between second oil-recovery tank 6 and the 3rd oil-recovery tank 9, be either arranged on side of first oil-recovery tank 4 away from the second oil-recovery tank 6 or
It is arranged on side of the 3rd oil-recovery tank 9 away from the second oil-recovery tank 6.The rotation direction of helicla flute 5 is determined by the rotation direction of sealing ring 1.
Further, helicla flute 5 can be arranged on the outer wall of sealing ring 1, can also be arranged on the inner wall of mounting hole.
Further, on the inner wall of box assembly 2, between the second oil-recovery tank 6 and the 3rd oil-recovery tank 9, it is provided with and is in
The seal clearance 8 of annular.Seal clearance 8 can reduce the leakage rate that lubricating oil enters the 3rd oil-recovery tank 9 from the second oil-recovery tank 6.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, helicla flute 5 is arranged on the outer wall of sealing ring 1.
In the present embodiment, helicla flute 5 is arranged on the outer wall of sealing ring, when in use, helicla flute 5 is in company with sealing ring 1
Rotated in mounting hole, sealing ring 1 pushes lubricating oil inside babinet 21 along helicla flute 5 to.Stable structure, convenient processing.
On the basis of above-described embodiment, further, be arranged at intervals with the inner wall of mounting hole with box assembly 2
The first oil-recovery tank 4 and the second oil-recovery tank 6 of portion's connection；Second oil-recovery tank 6 be located at the first oil-recovery tank 4 away from box assembly 2 inside
Side；The part of helicla flute 5 is located in the first oil-recovery tank 4, partly in the second oil-recovery tank 6.
First oil-recovery tank 4 and the second oil-recovery tank 6, the first oil-recovery tank 4, the second oil return are set in the present embodiment, on mounting hole
Groove 6 forms the first oil back chamber, the second oil back chamber with the outer wall of sealing ring 1 respectively.5 part of helicla flute is located in the first oil-recovery tank 4,
Part is in the second oil-recovery tank 6.When in use, lubricating oil unnecessary on bearing enters in the first oil-recovery tank 4, when the first oil return
Lubricating oil is because oil return is not in time and when being full of in groove 4, and the lubricating oil in the first oil-recovery tank 4 is flowed into the second oil-recovery tank 6, helicla flute
5 setting can block the first oil-recovery tank 4 to 6 permeability of the second oil-recovery tank, and can will be in the second oil-recovery tank 6 oil to first
Oil-recovery tank 4 pumps, so as to further prevent lubricating oil outflow out of babinet 21, avoids the occurrence of and gets rid of oily phenomenon.
Wherein, the part of helicla flute 5 is located in the first oil-recovery tank 4, can be spiral partly in the second oil-recovery tank 6
One end of groove 5 is located in the first oil-recovery tank 4, and the other end is positioned at 6 interior or helicla flute 5 one end extension of the second oil-recovery tank
Go out outside the first oil-recovery tank 4, the other end extends outside the second oil-recovery tank 6, or one end of helicla flute 5 is located in groove, and one end is located at
Outside groove.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, buffering is provided with the inner wall of mounting hole
Groove；Dashpot is located at side of second oil-recovery tank 6 away from the first oil-recovery tank 4；The first convex is provided with the outer wall of sealing ring 1
Play 7；First positioning protrusion 7 is located in dashpot；0.8- is spaced between the outer wall of first positioning protrusion 7 and the bottom wall of dashpot
1.0mm。
In the present embodiment, along the direction of babinet 21 from inside to outside, the first oil-recovery tank 4, the second oil-recovery tank 6 and dashpot are successively
Set, unnecessary lubricating oil enters in the second oil-recovery tank 6 in the first oil-recovery tank 4, and unnecessary lubricating oil enters in the second oil-recovery tank 6
Caching in dashpot, at intervals of 0.8-1.0mm between the first positioning protrusion 7 and the bottom wall of dashpot, such sealing ring 1 is in height
During speed rotation, the oil being attached in interval on sealing ring 1 can outwards be thrown away by centrifugal force, so as to avoid on sealing ring 1
Adhere to more lubricating oil, and flowed out along sealing ring 1, further improve sealing effect.
Wherein, the interval between the first positioning protrusion 7 and the bottom wall of dashpot can be 0.8mm, 0.85mm, 0.9mm,
0.95mm, 1.0mm etc..
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, it is provided with the inner wall of mounting hole and case
3rd oil-recovery tank 9 of the inside of body component 2 connection；By the inside of box assembly 2 to exterior direction, the first oil-recovery tank 4, second times
6 and the 3rd oil-recovery tank 9 of oil groove is arranged at intervals successively；On the outer wall of sealing ring 1, in the 3rd oil-recovery tank 9, it is provided with a ring
Get rid of oil groove 11.
In the present embodiment, unnecessary lubricating oil enters in the 3rd oil-recovery tank 9 in the second oil-recovery tank 6, due to being set on sealing ring 1
It is equipped with and gets rid of oil groove 11, can prevents the fluid caused by processing knife mark of sealing ring 1 from circumferentially outwards climbing, will that is, getting rid of oil groove 11
Knife mark separates, and when fluid, which is climbed to, gets rid of oil groove 11, can be gathered in groove, be thrown away by centrifugal force.
Preferably, the cross sectional shape for getting rid of oil groove 11 is semicircle, lubricating oil is being got rid of smooth outflow in oil groove 11,
So that lubricating oil is quickly thrown away from getting rid of in oil groove 11.It can be one to get rid of oil groove 11, or more than two multiple.
Further, box assembly 2 includes babinet 21 and end cap 23, and the 3rd oil-recovery tank 9 is arranged on end cap 23.
On the basis of above-described embodiment, further, seal groove is provided with the inner wall of mounting hole；Seal groove is positioned at the
The one end of three oil-recovery tanks 9 away from the second oil-recovery tank 6.
In the present embodiment, unnecessary lubricating oil enters in the 3rd oil-recovery tank 9 in the second oil-recovery tank 6, in the 3rd oil-recovery tank 9
Seal groove can prevent the fluid in the 3rd oil-recovery tank 9 from splashing because of high speed to cause leakage so that the sealing effect of wind power speed-increasing machine
More preferably.
Preferably, seal groove is annular, along the circumferentially disposed of mounting hole.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, on the outer wall of sealing ring 1, positioned at the 3rd
In oil-recovery tank 9, the second positioning protrusion 10 is provided with；The cross sectional shape of second positioning protrusion 10 is triangle.
In the present embodiment, the second positioning protrusion 10 is set, and the section of the second positioning protrusion 10 is arranged on sealing ring 1
Triangle, compared to protrusion square in correlation technique, the occupancy of triangle is small, reduces the second positioning protrusion 10 the 3rd
The volume taken in oil-recovery tank 9, increases the trapped fuel amount of the 3rd oil-recovery tank 9, meanwhile, the outside diameter of the second positioning protrusion 10 reduces,
Avoid outside diameter and stir oil.
Preferably, the section of the second positioning protrusion 10 is right angled triangle, can so pass through right-angle side and the 3rd oil return
Groove sidewall forms clearance seal groove.
As shown in Figure 3 and Figure 4, on the basis of above-described embodiment, further, on the inner wall of mounting hole, positioned at first
Between 4 and second oil-recovery tank 6 of oil-recovery tank, oil distributing ring groove 15 and damping hole 16 are provided with；One end of damping hole 16 and oil distributing ring groove
15 connections, the other end are connected with the fuel feed hole on box assembly 2.
In the present embodiment, the present embodiment is suitable for the low speed end of wind power speed-increasing machine, at the low speed end of wind power speed-increasing machine, oil inlet
The bearing that oil in hole enters in box assembly by damping hole 16, oil distributing ring groove 15 successively is lubricated, unnecessary lubricating oil
Into the first oil-recovery tank.The side of oil distributing ring groove 15 is the first oil-recovery tank 4, and opposite side is the second oil-recovery tank 6.Damping hole 16 is set
On the inner wall of mounting hole, namely it is arranged on box assembly 2, such 15 basic no pressure of oil distributing ring groove, can greatly reduce
Oil mass of the oil distributing ring outer ring slot leakage to the second oil-recovery tank 6.
As shown in Fig. 2, on the basis of above-described embodiment, further, first exhaust passage is provided with box assembly 2
12；One end of first exhaust passage 12 is connected with the first oil-recovery tank 4, and the other end is connected with the inside of box assembly 2；
And/or second exhaust passage 14 is provided with box assembly 2；One end of second exhaust passage 14 and the second oil return
Groove 6 connects, and the other end is connected with the inside of box assembly 2；
And/or the 3rd exhaust passage 13 is provided with box assembly 2；One end of 3rd exhaust passage 13 and the 3rd oil return
Groove 9 connects, and the other end is connected with the inside of box assembly 2.
In the present embodiment, the first oil-recovery tank 4 is connected by first exhaust passage 12 with the inside of box assembly 2, is made first time
The pressure of oil groove 4 is identical with babinet internal pressure, makes the oil return of the first oil-recovery tank 4 more smooth.Similarly, the second oil-recovery tank 6 passes through second
Exhaust passage 14 is connected with the inside of box assembly 2, is made the pressure of the second oil-recovery tank 6 identical with babinet internal pressure, is made the second oil-recovery tank 6
Oil return it is more smooth.3rd oil-recovery tank 9 is connected by the 3rd exhaust passage 13 with the inside of box assembly 2, makes the 3rd oil-recovery tank 9
Pressure is identical with babinet internal pressure, makes the oil return of the 3rd oil-recovery tank 9 more smooth.
On the basis of above-described embodiment, further, the embodiment of the present invention also provides a kind of wind turbine booster engine, the wind turbine
Booster engine includes：Shaft 3 and the sealing structure provided by the present invention for wind power speed-increasing machine；Shaft 3 is threaded through sealing ring 1
It is interior.Wherein, the principle of sealing structure is same as above, and details are not described herein.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. sealing structure for wind power speed-increasing machine, it is characterised in that including：Sealing ring and box assembly；Mounting hole is provided with the box assembly；The sealing ring is installed in the mounting hole；The outer wall of the sealing ring Formed with helicla flute between the inner wall of the mounting hole；The rotation direction of the helicla flute and the rotation direction phase of the sealing ring Instead.
- 2. the sealing structure according to claim 1 for wind power speed-increasing machine, it is characterised in that the helicla flute is arranged on On the outer wall of the sealing ring.
- 3. the sealing structure according to claim 1 for wind power speed-increasing machine, it is characterised in that the inner wall of the mounting hole On be arranged at intervals with it is equal with the box assembly inside the first oil-recovery tank and the second oil-recovery tank that connect；The second oil-recovery tank position In first oil-recovery tank away from the side inside the box assembly；The part of the helicla flute is located at first oil-recovery tank It is interior, partly in second oil-recovery tank.
- 4. the sealing structure according to claim 3 for wind power speed-increasing machine, it is characterised in that the inner wall of the mounting hole On be provided with dashpot；The dashpot is located at side of second oil-recovery tank away from first oil-recovery tank；The sealing The first positioning protrusion is provided with the outer wall of ring；First positioning protrusion is located in the dashpot；First convex 0.8-1.0mm is spaced between the outer wall and the bottom wall of the dashpot that rise.
- 5. the sealing structure according to claim 3 for wind power speed-increasing machine, it is characterised in that the inner wall of the mounting hole On be provided with and the 3rd oil-recovery tank that connects inside the box assembly；By inside to the exterior direction of the box assembly, First oil-recovery tank, second oil-recovery tank and the 3rd oil-recovery tank are arranged at intervals successively；On the outer wall of the sealing ring, In the 3rd oil-recovery tank, be provided with a ring get rid of oil groove.
- 6. the sealing structure according to claim 5 for wind power speed-increasing machine, it is characterised in that the inner wall of the mounting hole On be provided with seal groove；The seal groove is located at the described one end of 3rd oil-recovery tank away from second oil-recovery tank.
- 7. the sealing structure according to claim 5 for wind power speed-increasing machine, it is characterised in that the outer wall of the sealing ring On, in the 3rd oil-recovery tank, it is provided with the second positioning protrusion；The cross sectional shape of second positioning protrusion is triangle Shape.
- 8. the sealing structure according to claim 3 for wind power speed-increasing machine, it is characterised in that the inner wall of the mounting hole On, between first oil-recovery tank and second oil-recovery tank, it is provided with oil distributing ring groove and damping hole；The damping hole One end is connected with the oil distributing ring groove, and the other end is connected with the fuel feed hole on the box assembly.
- 9. the sealing structure according to claim 3 for wind power speed-increasing machine, it is characterised in that set on the box assembly It is equipped with first exhaust passage；One end of the first exhaust passage is connected with first oil-recovery tank, the other end and the babinet The inside connection of component；And/or second exhaust passage is provided with the box assembly；One end of the second exhaust passage with described second time Oil groove connects, and the other end is connected with the inside of the box assembly；And/or the 3rd exhaust passage is provided with the box assembly；One end of 3rd exhaust passage with described 3rd time Oil groove connects, and the other end is connected with the inside of the box assembly.
- A kind of 10. wind turbine booster engine, it is characterised in that including：Shaft and such as claim 1-9 any one of them are used for The sealing structure of wind power speed-increasing machine；The shaft is threaded through in the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711433791.7A CN107939954A (en) | 2017-12-26 | 2017-12-26 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711433791.7A CN107939954A (en) | 2017-12-26 | 2017-12-26 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
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| Publication Number | Publication Date |
|---|---|
| CN107939954A true CN107939954A (en) | 2018-04-20 |
Family
ID=61939267
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711433791.7A Pending CN107939954A (en) | 2017-12-26 | 2017-12-26 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602006004654D1 (en) * | 2005-07-29 | 2009-02-26 | Toyota Motor Co Ltd | Arrangement for avoiding a leak of oil |
| CN201781374U (en) * | 2010-09-16 | 2011-03-30 | 三一电气有限责任公司 | Gear case |
| CN102493516A (en) * | 2011-12-12 | 2012-06-13 | 中联重科股份有限公司 | Excavator oil tank and excavator with same |
| CN103161963A (en) * | 2013-03-18 | 2013-06-19 | 南车戚墅堰机车车辆工艺研究所有限公司 | Output shaft sealing device |
| CN103711879A (en) * | 2014-01-17 | 2014-04-09 | 国电联合动力技术(包头)有限公司 | Mechanical labyrinth sealing structure for wind power gear box |
| CN106499636A (en) * | 2016-11-25 | 2017-03-15 | 广东美的暖通设备有限公司 | Compressor and air-conditioner |
| CN206112042U (en) * | 2016-10-31 | 2017-04-19 | 三一重型能源装备有限公司 | Gear box and aerogenerator |
| CN206439376U (en) * | 2016-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | The speedy carding process axle sealing structure of wind power speed-increasing gearbox |
| CN206439374U (en) * | 2016-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | The mechanically-sealing apparatus of casing is passed through for high speed shaft |
| CN207634656U (en) * | 2017-12-26 | 2018-07-20 | 三一重能有限公司 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
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2017
- 2017-12-26 CN CN201711433791.7A patent/CN107939954A/en active Pending
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| DE602006004654D1 (en) * | 2005-07-29 | 2009-02-26 | Toyota Motor Co Ltd | Arrangement for avoiding a leak of oil |
| CN201781374U (en) * | 2010-09-16 | 2011-03-30 | 三一电气有限责任公司 | Gear case |
| CN102493516A (en) * | 2011-12-12 | 2012-06-13 | 中联重科股份有限公司 | Excavator oil tank and excavator with same |
| CN103161963A (en) * | 2013-03-18 | 2013-06-19 | 南车戚墅堰机车车辆工艺研究所有限公司 | Output shaft sealing device |
| CN103711879A (en) * | 2014-01-17 | 2014-04-09 | 国电联合动力技术(包头)有限公司 | Mechanical labyrinth sealing structure for wind power gear box |
| CN206112042U (en) * | 2016-10-31 | 2017-04-19 | 三一重型能源装备有限公司 | Gear box and aerogenerator |
| CN106499636A (en) * | 2016-11-25 | 2017-03-15 | 广东美的暖通设备有限公司 | Compressor and air-conditioner |
| CN206439376U (en) * | 2016-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | The speedy carding process axle sealing structure of wind power speed-increasing gearbox |
| CN206439374U (en) * | 2016-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | The mechanically-sealing apparatus of casing is passed through for high speed shaft |
| CN207634656U (en) * | 2017-12-26 | 2018-07-20 | 三一重能有限公司 | Sealing structure and wind power speed-increasing machine for wind power speed-increasing machine |
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Address after: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Applicant after: Sany Heavy Energy Co., Ltd Address before: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Applicant before: SANY HEAVY ENERGY Co.,Ltd. |