CN110159738A - A kind of wind turbine gearbox input sealing structure - Google Patents
A kind of wind turbine gearbox input sealing structure Download PDFInfo
- Publication number
- CN110159738A CN110159738A CN201910556127.4A CN201910556127A CN110159738A CN 110159738 A CN110159738 A CN 110159738A CN 201910556127 A CN201910556127 A CN 201910556127A CN 110159738 A CN110159738 A CN 110159738A
- Authority
- CN
- China
- Prior art keywords
- sealing
- cyclic annular
- planet carrier
- housing plate
- seal portion
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 179
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 83
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims description 25
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 31
- 239000010687 lubricating oil Substances 0.000 description 23
- 239000003595 mist Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02078—Gearboxes for particular applications for wind turbines
Abstract
The invention discloses a kind of preferable wind turbine gearboxes of leakproofness to input sealing structure, the right end of planet carrier labyrinth sealing is equipped with the cyclic annular radial seal portion that extends radially outwardly, planet carrier labyrinth sealing is integrally located between preceding housing plate and planet carrier, there are minim gaps between on planet carrier and periphery and the inner wall of preceding housing plate for fixing assembling, its cyclic annular radial seal portion is located in the mounting groove on the right side of preceding housing plate, it is neighbouring with the fuel feed hole on preceding cabinet, and there are gaps between the left side and preceding housing plate in cyclic annular radial seal portion, it is characterized by: the cyclic annular radial seal portion of planet carrier labyrinth sealing is equipped at least one cyclic annular axial sealing part extended to the left by its left end, mounting groove on preceding housing plate in planet carrier labyrinth sealing cyclic annular radial seal portion and cyclic annular axial sealing part shape is corresponding matches It closes, there are minim gaps in mounting groove and between preceding housing plate for cyclic annular radial seal portion and cyclic annular axial sealing position.
Description
Technical field
The present invention relates to wind turbine gearbox sealing structure, especially a kind of wind turbine gearbox inputs sealing structure.
Background technique
Shown in Figure 1, a kind of common wind turbine gearbox inputs sealing structure in the market, including right side is equipped with mounting groove
It is the preceding housing plate 1 of 1-1, planet carrier labyrinth sealing 2, planet carrier angle sealing clamp 3, planet carrier 4, V-type circle sealing 5, O-shaped close
Seal 6, the fuel feed hole 7 being located on preceding 11 right side of cabinet；The right end of the planet carrier labyrinth sealing 2 is equipped with and extends radially outwardly
The left side of cyclic annular radial seal portion 2-1, the ring-type radial seal portion 2-1 are planar structure, planet carrier labyrinth sealing 2
It is integrally located between preceding housing plate 1 and planet carrier 4, fixing assembling is in the inner wall of on planet carrier 4 and periphery and preceding housing plate 1
Between there are minim gap, ring-type radial seal portion 2-1 is located in the mounting groove 1-1 on preceding 1 right side of housing plate, with preceding cabinet
Fuel feed hole 7 on 11 is neighbouring, and there are gap, the gaps between the left side and preceding housing plate 1 of cyclic annular radial seal portion 2-1
Greater than 2mm, the right end of planet carrier angle sealing clamp 3 and the left end of planet carrier labyrinth sealing 2 are installed on row with leaning
In carrier 4；The V-type circle sealing 5 is set on planet carrier angle sealing clamp 3；The O-ring seal 6 is set on planet carrier 4
And it is located between the inner end of 3 left end of inner end and planet carrier angle sealing clamp of the right end of planet carrier angle sealing clamp 3.
In the wind turbine gearbox input sealing structure of this prior art, preceding housing plate 1 and planet carrier labyrinth type are close
There are minim gaps between envelope 2, i.e., before between housing plate 1 and planet carrier labyrinth sealing 2 using gap rotatory sealing,
It does not contact with each other between the two, long service life.However the wind turbine gearbox of this prior art input sealing structure is scarce
Point is also obvious, is by the peace in 1 left side of housing plate before being directly entered outside by the lubricating oil that fuel feed hole 7 is come in as seen from Figure 1
In tankage 1-1, and a part is flowed by the gap between the left side and preceding housing plate 1 of cyclic annular radial seal portion 2-1, by
In the left side of cyclic annular radial seal portion 2-1 be planar structure and by the left side of cyclic annular radial seal portion 2-1 and preceding cabinet end
Gap between lid 1 is larger, the lubrication Chuck Steak flowed by event by the gap.Then, when wind turbine gearbox low speed is run, profit
Lubricating oil cannot be thrown out of, and lubricating oil will be sticked on the surface of planet carrier labyrinth sealing 2, and slowly close along planet carrier labyrinth type
The surface of envelope 2 is exuded to outside gear-box, causes micro leakage of oil.In addition gear-box at runtime lubricating oil due to gear
Stirring can generate a large amount of bubble, and distributing for bubble leads to that internal pressure can be generated inside gear-box, and the effect of internal pressure can make lubricating oil
The mist of oil that bubble generates oozes out at the minim gap between preceding housing plate 1 and planet carrier labyrinth sealing 2, in case of cold air
It will form oil droplet exudation, there are the risks of leakage of oil.In short, the wind turbine gearbox input sealing structure of this prior art is close
Envelope property is poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preferable wind turbine gearboxes of leakproofness to input sealing structure.
In order to solve the above technical problems, wind turbine gearbox of the invention inputs sealing structure, including right side is equipped with mounting groove
Preceding housing plate, planet carrier labyrinth sealing, planet carrier angle sealing clamp, planet carrier, the sealing of V-type circle, O-ring seal, set
Fuel feed hole on the right side of the preceding cabinet；It is radial close that the right end of the planet carrier labyrinth sealing is equipped with the ring-type to extend radially outwardly
Envelope portion, before being integrally located at of planet carrier labyrinth sealing between housing plate and planet carrier, fixing assembling is on planet carrier and outer
There are minim gap between the inner wall of Zhou Yuqian housing plate, cyclic annular radial seal portion is located at the installation on the right side of preceding housing plate
In slot, it is neighbouring with the fuel feed hole on preceding cabinet, and there are gap between the left side and preceding housing plate in cyclic annular radial seal portion,
The right end of planet carrier angle sealing clamp and the left end of planet carrier labyrinth sealing are installed on planet carrier with leaning；It is described
V-type circle sealing shroud is loaded on the sealing clamp of planet carrier angle；The O-ring seal be set on planet carrier and be located at planet carrier angle it is close
It seals between the inner end of right end and the inner end of planet carrier angle sealing clamp left end of pressing plate, it is characterised in that: the planet carrier labyrinth
The cyclic annular radial seal portion of formula sealing is equipped at least one cyclic annular axial sealing part extended to the left by its left end, the preceding case
The mounting groove that body end covers in planet carrier labyrinth sealing cyclic annular radial seal portion and cyclic annular axial sealing part shape it is opposite
It should cooperate, there are micro- in mounting groove and between preceding housing plate for the ring-type radial seal portion and cyclic annular axial sealing position
Small―gap suture.
Preferably, there are two being set in the cyclic annular radial seal portion of the planet carrier labyrinth sealing to the left by its left end spacing
The cyclic annular axial sealing part of extension.
Preferably, the section shape of the cyclic annular axial sealing part in the cyclic annular radial seal portion of the planet carrier labyrinth sealing
Shape is rectangle or trapezoidal or zigzag or semicircle or ellipse or parabola or waveform.
Preferably, the first inside and outside oil-recovery tank of connection, first oil return are equipped on the mounting groove on preceding housing plate
Slot position is in the inner end Jiao Chu on mounting groove with the left end of the cyclic annular axial sealing part of outer end in two cyclic annular axial sealing parts.
Preferably, the radial cross-sectional shape of first oil-recovery tank be semicircle or half elliptic or it is parabola shaped or
Person is trapezoidal or rectangle.
Preferably, the second oil-recovery tank being additionally provided on the mounting groove on preceding housing plate inside and outside connection, described second time
Oil groove is located at the inner end Jiao Chu installed with the left end of cyclic annular axial sealing part intermediate in two cyclic annular axial sealing parts.
Preferably, the radial cross-sectional shape of second oil-recovery tank be semicircle or half elliptic or it is parabola shaped or
Person is trapezoidal or rectangle.
It preferably, further include a sealing ring, the mounting groove on the geomery of the sealing ring and preceding housing plate
Geomery is corresponding and is assemblied in mounting groove, towards in planet carrier labyrinth sealing cyclic annular radial seal portion and ring-type
There are the minim gaps of 0.1mm between the side of axial sealing part and cyclic annular radial seal portion and cyclic annular axial sealing part.
Preferably, the sealing ring is made of metal material.
Preferably, the sealing ring is made of manganese steel.
The present invention includes following beneficial effect；
Since in the present invention, the cyclic annular radial seal portion of the planet carrier labyrinth sealing is equipped at least one by its left end
The cyclic annular axial sealing part extended to the left, the cyclic annular diameter on mounting groove and planet carrier labyrinth sealing on the preceding housing plate
To sealing cooperation corresponding with cyclic annular axial sealing part shape, the ring-type radial seal portion and cyclic annular axial sealing position in
There are minim gaps in mounting groove and between preceding housing plate.Then, the lubricating oil come in by fuel feed hole is not by outer direct
Into between preceding housing plate and planet carrier labyrinth sealing, but radially, axially hindered by cyclic annular axial sealing part and mounting groove
Just enter along the minim gap between cyclic annular radial seal portion, cyclic annular axial sealing part and mounting groove after gear.Thus, in wind
When electrical gearbox low speed is run, only micro lubricating oil viscosity is on planet carrier labyrinth sealing surface, even if revolving speed is lower, also not
It needs to throw out micro lubricating oil, micro lubricating oil will not be slowly exuded to along planet carrier labyrinth sealing surface
Outside gear-box, avoids and cause micro leakage of oil.In addition lubricating oil can be produced gear-box due to the stirring of gear at runtime
Raw a large amount of bubble, distributing for bubble lead to that internal pressure can be generated inside gear-box, and the effect of internal pressure can be such that lubricating oil bubble generates
Mist of oil also ooze out at the minim gap not between preceding housing plate and planet carrier labyrinth sealing, can't shape in case of cold air
It is oozed out at oil droplet, there is no the risks of leakage of oil.Therefore, leakproofness of the invention is preferable.
Detailed description of the invention
Fig. 1 is the schematic diagram of the wind turbine gearbox input sealing structure of the prior art, since it is symmetrical structure, for simplification
For the sake of, schematic diagram only depicts its top half；
Fig. 2 is the schematic diagram of wind turbine gearbox input sealing structure of the invention, since it is symmetrical structure, for simplicity,
Schematic diagram only depicts its top half.
Specific embodiment
It elaborates with reference to the accompanying drawing to the preferred embodiment of the present invention.
Referring to fig. 2, wind turbine gearbox of the invention inputs sealing structure, and the preceding cabinet of mounting groove 1-1 is equipped with including right side
End cap 1, planet carrier angle sealing clamp 3, planet carrier 4, V-type circle sealing 5, O-ring seal 6, is located at planet carrier labyrinth sealing 2
Fuel feed hole 7 on preceding 11 right side of cabinet；It is radial that the right end of the planet carrier labyrinth sealing 2 is equipped with the ring-type to extend radially outwardly
Sealing 2-1, before being integrally located at of planet carrier labyrinth sealing 2 between housing plate 1 and planet carrier 4, fixing assembling is in planet
There are minim gap on frame 4 and between periphery and the inner wall of preceding housing plate 1, ring-type radial seal portion 2-1 is located at preceding cabinet
In the mounting groove 1-1 on the right side of end cap 1, and the left side of ring-type radial seal portion 2-1 neighbouring with the fuel feed hole 7 on preceding cabinet 11
There are gap, the right end of planet carrier angle sealing clamp 3 and a left sides for planet carrier labyrinth sealing 2 between preceding housing plate 1
End is installed on planet carrier 4 with leaning；The V-type circle sealing 5 is set on planet carrier angle sealing clamp 3；The O-shaped sealing
Circle 6 is set in the inner end and 3 left end of planet carrier angle sealing clamp on planet carrier 4 and being located at the right end of planet carrier angle sealing clamp 3
Inner end between.From Figure 2 it can be seen that the cyclic annular radial seal portion 2-1 of the planet carrier labyrinth sealing 2 be equipped at least one by
The cyclic annular axial sealing part 2-2 that its left end extends to the left, mounting groove 1-1 and planet carrier labyrinth type on the preceding housing plate 1
Cyclic annular radial seal portion 2-1 cooperation corresponding with cyclic annular axial sealing part 2-2 shape in sealing 2, the ring-type radial seal
Portion 2-1 and ring-type axial sealing part 2-2 is located in mounting groove 1-1 and there are minim gaps between preceding housing plate 1.Then,
The lubricating oil come in by fuel feed hole 7 not instead of by housing plate 1 before being directly entered outside and between planet carrier labyrinth sealing 2,
It is just axial along cyclic annular radial seal portion 2-1, ring-type after radially, axially being stopped by cyclic annular axial sealing part 2-2 and mounting groove 1-1
What the minim gap between sealing 2-2 and mounting groove 1-1 entered.Thus, it is only micro in the operation of wind turbine gearbox low speed
Lubricating oil viscosity on 2 surface of planet carrier labyrinth sealing, even if revolving speed is lower, do not need to throw out micro lubricating oil yet,
Micro lubricating oil will not be slowly exuded to outside gear-box along 2 surface of planet carrier labyrinth sealing, avoid cause it is micro-
The leakage of oil of amount.In addition lubricating oil can generate a large amount of bubble due to the stirring of gear to gear-box at runtime, and bubble distributes
Lead to that internal pressure can be generated inside gear-box, the mist of oil that the effect of internal pressure can be such that lubricating oil bubble generates is not also along preceding housing plate 1
It is oozed out at minim gap between planet carrier labyrinth sealing 2, oil droplet exudation can't be formed in case of cold air, there is no leakages
The risk of oil.Therefore, leakproofness of the invention is preferable.
Referring to fig. 2, two are preferably provided on the cyclic annular radial seal portion 2-1 of the planet carrier labyrinth sealing 2 by its left side
The cyclic annular axial sealing part 2-2 that end spacing extends to the left.So, the lubricating oil come in by fuel feed hole 7 is not by outer direct
Into between preceding housing plate 1 and planet carrier labyrinth sealing 2, but by the cyclic annular axial sealing part 2-2 and peace of two spacing
Ability is along cyclic annular radial seal portion 2-1, two ring-type axial sealing part 2-2 and mounting groove 1- after tankage 1-1 radially, axially stops
What the minim gap between 1 entered.Thus, in the operation of wind turbine gearbox low speed, only very micro lubricating oil viscosity is in planet
2 surface of frame labyrinth sealing does not need to throw out these very micro lubricating oil, these are very micro even if revolving speed is lower yet
Lubricating oil will not be slowly exuded to outside gear-box along 2 surface of planet carrier labyrinth sealing, preferably avoid lubrication
The leakage of oil.In addition lubricating oil a large amount of bubble as produced by the stirring of gear, distributing for bubble cause gear-box at runtime
The mist of oil for generating lubricating oil bubble of internal pressure produced by inside gear-box, internal pressure will not be along preceding housing plate 1 and planet carrier
It is oozed out at minim gap between labyrinth sealing 2, oil droplet exudation can't be formed in case of cold air, more there is no leakage of oil
Risk.This makes better tightness of the invention.
Referring to fig. 2, the cyclic annular axial sealing part 2-2 on the cyclic annular radial seal portion 2-1 of the planet carrier labyrinth sealing 2
Cross sectional shape be rectangle.This is easier relatively simple for structure, the manufacture of cyclic annular axial sealing part 2-2.The planet
The cross sectional shape of cyclic annular axial sealing part 2-2 on the cyclic annular radial seal portion 2-1 of frame labyrinth sealing 2 can also be preferably terraced
Shape or zigzag or semicircle or ellipse or parabola or waveform.This is again such that cyclic annular axial sealing part
Relatively simple for structure, the manufacture of 2-2 is easier.
Referring to fig. 2, the first inside and outside oil-recovery tank 8 of connection, institute are preferably provided on the mounting groove 1-1 on preceding housing plate 1
It states the first oil-recovery tank 8 and is located at cyclic annular axial sealing part 2-2 on mounting groove 1-1 with outer end in two cyclic annular axial sealing part 2-2
Left end inner end Jiao Chu.So, at work, the planet carrier labyrinth type between preceding housing plate 1 and planet carrier 4
The whole place of sealing 2 encounters cold air, directly formation oil droplet, be adsorbed on planet carrier labyrinth sealing 2 on the whole when, oil droplet is just
Fuel tank can be returned to by the first oil-recovery tank 8, so as to preferably prevent mist of oil, mist of oil be avoided to ooze out too many, formation oil droplet
And leakage of oil.
Referring to fig. 2, the radial cross-sectional shape of first oil-recovery tank 8 is preferably semicircle.This makes the first oil-recovery tank 8
Relatively simple for structure, manufacture is easier.The radial cross-sectional shape of first oil-recovery tank 8 also be preferably half elliptic or
Parabola shaped or trapezoidal or rectangle.This is again such that relatively simple for structure, the manufacture of the first oil-recovery tank 8 are easier.
Referring to fig. 2, the second inside and outside oil-recovery tank 9 of connection is additionally provided on the mounting groove 1-1 on preceding housing plate 1, it is described
Second oil-recovery tank 9 is located at cyclic annular axial sealing part 2-2's intermediate on mounting groove 1-1 and in two cyclic annular axial sealing part 2-2
The inner end Jiao Chu of left end.So, at work, the planet carrier labyrinth type between preceding housing plate 1 and planet carrier 4 is close
The whole place of envelope 2 encounters cold air, directly formation oil droplet, be adsorbed on planet carrier labyrinth sealing 2 on the whole when, oil droplet is just not
Only fuel tank can be returned to by the first oil-recovery tank 8, also fuel tank can be returned to by the second oil-recovery tank 9 simultaneously, so as to more preferable
Mist of oil is prevented well and avoids mist of oil exudation too many, forms oil droplet and leakage of oil.
Referring to fig. 2, the radial cross-sectional shape of second oil-recovery tank 9 is preferably semicircle.This makes the second oil-recovery tank 9
Relatively simple for structure, manufacture is easier.The radial cross-sectional shape of second oil-recovery tank 9 can also be preferably half elliptic or
Person is parabola shaped or trapezoidal or rectangle.This is again such that relatively simple for structure, the manufacture of the second oil-recovery tank 9 are easier.
Referring to fig. 2, the invention also includes a sealing ring 10, the geomery of the sealing ring 10 and preceding housing plates 1
On mounting groove 1-1 geomery it is corresponding and be assemblied in mounting groove 1-1, towards in planet carrier labyrinth sealing 2
The side and ring-type radial seal portion 2-1 of cyclic annular radial seal portion 2-1 and cyclic annular axial sealing part 2-2 and cyclic annular axial sealing part
There are the minim gaps of 0.1mm between 2-2.It can be better protected from leakage of oil by sealing ring 10, so that sealing of the invention
Property is more preferable.
The sealing ring 10 is by being made of metal material.This make sealing ring 10 be easier manufacture and it is more corrosion-resistant,
Sealing effect is good preferable.This is more easily manufactured sealing ring 10 and more resistant to corrosion, and sealing effect is more preferable.
The sealing ring 10 is preferably made of manganese steel, for example, it is preferable to be made of No. 42 manganese steel.This is again such that sealing ring 10
It is more easily manufactured and more resistant to corrosion, sealing effect is more preferable.
The preferred embodiment of the present invention is elaborated above in conjunction with attached drawing, but the present invention is not limited to above-mentioned
Embodiment, skilled artisan within the scope of knowledge, present inventive concept can also not departed from
Under the premise of various changes can be made.
Claims (10)
1. a kind of wind turbine gearbox inputs sealing structure, preceding housing plate, the planet carrier labyrinth type of mounting groove are equipped with including right side
Sealing, planet carrier angle sealing clamp, planet carrier, the sealing of V-type circle, O-ring seal, the fuel feed hole being located on the right side of preceding cabinet；Institute
The right end for stating planet carrier labyrinth sealing is equipped with the cyclic annular radial seal portion that extends radially outwardly, planet carrier labyrinth sealing it is whole
Body is between preceding housing plate and planet carrier, fixing assembling is deposited between on planet carrier and periphery and the inner wall of preceding housing plate
In minim gap, cyclic annular radial seal portion is located in the mounting groove on the right side of preceding housing plate, is adjacent with the fuel feed hole on preceding cabinet
Closely, and between the left side and preceding housing plate in cyclic annular radial seal portion there are gap, the right sides of planet carrier angle sealing clamp
End and the left end of planet carrier labyrinth sealing are installed on planet carrier with leaning；The V-type circle sealing shroud is loaded on planet carrier angle
On sealing clamp；The O-ring seal is set in the inner end on planet carrier and being located at the right end of planet carrier angle sealing clamp and row
Between the inner end of carrier angle sealing clamp left end, it is characterised in that: the cyclic annular radial seal portion of the planet carrier labyrinth sealing
It is equipped at least one cyclic annular axial sealing part extended to the left by its left end, mounting groove and planet on the preceding housing plate
Cyclic annular radial seal portion cooperation corresponding with the cyclic annular shape of axial sealing part in frame labyrinth sealing, it is described cyclic annular radial close
There are minim gaps in mounting groove and between preceding housing plate for envelope portion and cyclic annular axial sealing position.
2. wind turbine gearbox as described in claim 1 inputs sealing structure, it is characterised in that: the planet carrier labyrinth sealing
Cyclic annular radial seal portion on set that there are two the cyclic annular axial sealing parts that are extended to the left by its left end spacing.
3. wind turbine gearbox as claimed in claim 2 inputs sealing structure, it is characterised in that: the planet carrier labyrinth sealing
Cyclic annular radial seal portion on the cross sectional shape of cyclic annular axial sealing part be rectangle or trapezoidal or zigzag or semicircle
Shape or ellipse or parabola or waveform.
4. wind turbine gearbox as claimed in claim 3 inputs sealing structure, it is characterised in that: the installation on preceding housing plate
Slot is equipped with the first inside and outside oil-recovery tank of connection, first oil-recovery tank be located on mounting groove in two ring-type axial sealing parts
The inner end Jiao Chu of the left end of the cyclic annular axial sealing part of outer end.
5. wind turbine gearbox as claimed in claim 4 inputs sealing structure, it is characterised in that: the radial direction of first oil-recovery tank
Cross sectional shape is semicircle or half elliptic or parabola shaped or trapezoidal or rectangle.
6. wind turbine gearbox as claimed in claim 5 inputs sealing structure, it is characterised in that: the installation on preceding housing plate
The second inside and outside oil-recovery tank of connection is additionally provided on slot, second oil-recovery tank is located on mounting groove and two cyclic annular axial sealing parts
The inner end Jiao Chu of the left end of the cyclic annular axial sealing part of centre.
7. wind turbine gearbox as claimed in claim 6 inputs sealing structure, it is characterised in that: the radial direction of second oil-recovery tank
Cross sectional shape is semicircle or half elliptic or parabola shaped or trapezoidal or rectangle.
8. wind turbine gearbox as claimed in claim 7 inputs sealing structure, it is characterised in that: further include a sealing ring, institute
The geomery for stating sealing ring is corresponding with the geomery of mounting groove on preceding housing plate and be assemblied in mounting groove, court
The side and cyclic annular radial seal portion of cyclic annular radial seal portion in planet carrier labyrinth sealing and cyclic annular axial sealing part and
There are the minim gaps of 0.1mm between cyclic annular axial sealing part.
9. wind turbine gearbox as claimed in claim 8 inputs sealing structure, it is characterised in that: the sealing ring is by metal material
It is made.
10. wind turbine gearbox as claimed in claim 9 inputs sealing structure, it is characterised in that: the sealing ring is by manganese steel system
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556127.4A CN110159738A (en) | 2019-06-25 | 2019-06-25 | A kind of wind turbine gearbox input sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556127.4A CN110159738A (en) | 2019-06-25 | 2019-06-25 | A kind of wind turbine gearbox input sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159738A true CN110159738A (en) | 2019-08-23 |
Family
ID=67626850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910556127.4A Pending CN110159738A (en) | 2019-06-25 | 2019-06-25 | A kind of wind turbine gearbox input sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021002930A1 (en) | 2020-07-01 | 2022-01-05 | Sew-Eurodrive Gmbh & Co Kg | Gearbox with a shaft and a housing part |
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| CN203784246U (en) * | 2014-04-24 | 2014-08-20 | 重庆望江工业有限公司 | Sealing structure for wind turbine gearbox |
| CN106195228A (en) * | 2016-08-30 | 2016-12-07 | 重庆望江工业有限公司 | A kind of wind turbine gearbox carrier main-body seals structure |
| DE202017102761U1 (en) * | 2017-05-09 | 2017-06-06 | Bombardier Transportation Gmbh | Transmission, in particular for use in a drive train of rail vehicles, and rail vehicle with this transmission |
| CN207621311U (en) * | 2017-11-10 | 2018-07-17 | 南京高精齿轮集团有限公司 | Gear-box shaft end dynamic sealing device |
| CN108757910A (en) * | 2018-07-05 | 2018-11-06 | 苏州亚太金属有限公司 | A kind of excavator walking gear case |
| CN210371945U (en) * | 2019-06-25 | 2020-04-21 | 重庆望江工业有限公司 | Wind-powered electricity generation gear box input seal structure |
-
2019
- 2019-06-25 CN CN201910556127.4A patent/CN110159738A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203784246U (en) * | 2014-04-24 | 2014-08-20 | 重庆望江工业有限公司 | Sealing structure for wind turbine gearbox |
| CN106195228A (en) * | 2016-08-30 | 2016-12-07 | 重庆望江工业有限公司 | A kind of wind turbine gearbox carrier main-body seals structure |
| DE202017102761U1 (en) * | 2017-05-09 | 2017-06-06 | Bombardier Transportation Gmbh | Transmission, in particular for use in a drive train of rail vehicles, and rail vehicle with this transmission |
| CN207621311U (en) * | 2017-11-10 | 2018-07-17 | 南京高精齿轮集团有限公司 | Gear-box shaft end dynamic sealing device |
| CN108757910A (en) * | 2018-07-05 | 2018-11-06 | 苏州亚太金属有限公司 | A kind of excavator walking gear case |
| CN210371945U (en) * | 2019-06-25 | 2020-04-21 | 重庆望江工业有限公司 | Wind-powered electricity generation gear box input seal structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021002930A1 (en) | 2020-07-01 | 2022-01-05 | Sew-Eurodrive Gmbh & Co Kg | Gearbox with a shaft and a housing part |
| WO2022002433A1 (en) | 2020-07-01 | 2022-01-06 | Sew-Eurodrive Gmbh & Co. Kg | Transmission with a shaft and a housing part |
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