CN106949229A - A kind of wind turbine gearbox carrier main-body sealing structure - Google Patents
A kind of wind turbine gearbox carrier main-body sealing structure Download PDFInfo
- Publication number
- CN106949229A CN106949229A CN201710358838.1A CN201710358838A CN106949229A CN 106949229 A CN106949229 A CN 106949229A CN 201710358838 A CN201710358838 A CN 201710358838A CN 106949229 A CN106949229 A CN 106949229A
- Authority
- CN
- China
- Prior art keywords
- planet carrier
- sealing
- hand member
- annular groove
- housing plate
- 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 82
- 230000005611 electricity Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of safety and reliability preferably, safeguard be relatively easy to wind turbine gearbox carrier main-body sealing structure, it is characterised in that：Annular groove on the endoporus of planet carrier sealing is located on the right-hand member angle for the endoporus that planet carrier is sealed and the annular groove is radially and right-hand member is the structure of opening, the left end angle of clearance seal is provided with the annular groove corresponding with the annular groove on the right-hand member angle of the periphery of planet carrier sealing, annular groove is radially and left end is the structure of opening, planet carrier sealing right-hand member be located at preceding housing plate right-hand member within and planet carrier sealing right-hand member and clearance seal left end against, an O-ring seal part is installed in the annular groove on the endoporus of planet carrier sealing, a part is installed in the annular groove of clearance seal, the left half radial seal of clearance seal it is assemblied between preceding housing plate and planet carrier sealing, right half is axially located outside the right-hand member of preceding housing plate and its right-hand member is close to the step joint face in carrier main-body.
Description
Technical field
The present invention relates to wind power gear box structure, and in particular to a kind of wind turbine gearbox carrier main-body sealing structure.
Background technology
Traditional wind turbine gearbox carrier main-body sealing structure, referring to Fig. 1, including carrier main-body 1, preceding housing plate
2nd, planet carrier sealing 3, O-ring seal 4 and clearance seal A, the carrier main-body 1 include carrier main-body body 10 and by going
The department of assembly 11 of the radially outwardly projecting of carrier subject ontology 10, and by carrier main-body body 10 and the junction shape of department of assembly 11
Into step joint face 12, the left end of the preceding housing plate 2 locates close on endoporus provided with the annular stop portion 20 extended to the left,
The planet carrier seals 3 left ends and is provided with the annular protrusion 30 stretched out corresponding with the annular stop portion 20 of preceding housing plate 2,
Right side on its endoporus is provided with annular groove 31, and the planet carrier sealing 3 is set in the department of assembly 11 of carrier main body 1, and it is right
End is close to the step joint face 12 in carrier main-body 1 and stretches out inPreceding caseOutside the right-hand member of body end lid 2, the O-ring seal 4
It is installed in the annular groove 31 on the endoporus of planet carrier sealing 3, the annular stop portion 20 of the preceding housing plate 2 is located at wind-powered electricity generation
In the casing 5 of gear-box, the right-hand member connection of the casing 5 of left side and wind turbine gearbox under its annular stop portion 20, its ring
The periphery for the annular protrusion 30 that the endoporus of shape limiting section 20 seals 3 with planet carrier is contacted, and is filled to the clearance seal A radial seals
Assigned between preceding housing plate 2 and planet carrier sealing 3.
This wind turbine gearbox carrier main-body sealing structure is in assembling process, it is necessary to be first installed on O-ring seal 4
Planet carrier is sealed in the annular groove 31 on 3 endoporus, then planet carrier sealing 3 is set in into carrier main-body 1 from right to left
In department of assembly 11, then by clearance seal A be installed on planet carrier sealing 3 on, finally again by the limiting section 20 of preceding housing plate 2 with row
Annular protrusion 30 in carrier sealing 3 is corresponding and by the left side below the annular stop portion 20 of preceding housing plate 2 and wind-powered electricity generation
The right side of the casing of gear-box is connected, and its technical problem existed is；
1st, because the carrier main-body body 10 of carrier main-body 1 and the junction of department of assembly 11 are formed with step joint face 12, OK
Annular groove 31 in carrier sealing 3 is located at the right side on the endoporus of planet carrier sealing 3, and planet carrier sealing 3 is set in planet carrier
In the department of assembly 11 of main body 1, its right-hand member is close to the step joint face 12 in carrier main-body 1 and stretches out in preceding housing plate 2
Outside right-hand member, and O-ring seal 4 is installed in the annular groove 31 on the endoporus of planet carrier sealing 3.Thus, by planet carrier
During sealing 3 is set in the department of assembly 11 of carrier main-body 1 from right to left, step joint face 12 will stop O-ring seal
4 so that install relatively difficult, be also easy to the scratch of O-ring seal 4, security is poor.
2nd, when O-ring seal 4 for a long time using failure need repairing or change when, by preceding housing plate 2 limiting section 20 and
Planet carrier seals the limitation of 3 annular protrusion 30, it is necessary to first dismantle preceding housing plate 2, could dismantle planet carrier sealing 3, and then
Maintenance or replacement o sealing ring 4 so that the dismounting of preceding housing plate 2 and planet carrier sealing 3 is very difficult, causes O-ring seal
4 maintenance is changed also very difficult.
3rd, clearance seal A, and only one section, thus lubrication are alternately provided with only between planet carrier sealing 3 and preceding housing plate 2
Oil is easily thrown out of, and the reliability of sealing is poor.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of safety and reliability preferably, safeguard be relatively easy to wind-powered electricity generation
Gearbox planetary frame body sealing structure.
In order to solve the above technical problems, the wind turbine gearbox carrier main-body sealing structure of the present invention, including planet carrier master
Body, preceding housing plate, planet carrier sealing, O-ring seal and clearance seal, the carrier main-body include carrier main-body body
With the department of assembly by carrier main-body body radially outwardly projecting, and formed by carrier main-body body and department of assembly junction
Step joint face, the left end of the preceding housing plate locates close on endoporus provided with the annular stop portion extended to the left, the row
The left end of carrier sealing is provided with the annular protrusion stretched out corresponding with the annular stop portion of preceding housing plate, its endoporus and set
Have in annular groove, department of assembly of the planet carrier sealing shroud loaded on carrier main-body, its right-hand member is close in carrier main-body
Step joint face, the O-ring seal is installed in the annular groove on the endoporus of planet carrier sealing, the preceding housing plate
Annular stop portion is located in the casing of wind turbine gearbox, the casing of left side and wind turbine gearbox under its annular stop portion
Right side is connected, and the periphery for the annular protrusion that the endoporus in its annular stop portion is sealed with planet carrier is contacted, it is characterised in that：It is described
Annular groove on the endoporus of planet carrier sealing is located on the right-hand member angle for the endoporus that planet carrier is sealed and the annular groove is radially
The structure of opening is with right-hand member, the left end angle of the clearance seal is provided with the right-hand member angle of the periphery sealed with planet carrier
The corresponding annular groove of annular groove, the annular groove is radially and left end is the structure of opening, the planet carrier sealing
Right-hand member is located within the right-hand member of preceding housing plate and the right-hand member of planet carrier sealing and the left end of clearance seal are against described O-shaped close
In the annular groove that a seal part is installed on the endoporus of planet carrier sealing, a part be installed on the annular groove of clearance seal
In, be assemblied in the left half radial seal of the clearance seal preceding housing plate and planet carrier sealing between, right half axial direction
Outside the right-hand member of preceding housing plate and its right-hand member is close to the step joint face in carrier main-body.Take after said structure,
Planet carrier sealing first can be set in the department of assembly of carrier main-body by the present invention from right to left, then by the limit of preceding housing plate
The annular protrusion that position portion and planet carrier are sealed is corresponding and by the left side below the annular stop portion of preceding housing plate and wind
The right side connection of the casing of electrical gearbox；Then, then by an O-ring seal part it is installed on the endoporus of planet carrier sealing
In annular groove, the annular groove alignment O-ring seal on the left end angle of clearance seal planet carrier sealing is not finally installed on again
Endoporus on annular groove in a part and the left half radial seal of clearance seal is assemblied in preceding housing plate and
Between planet carrier sealing, right half is axially located outside the right-hand member of preceding housing plate and makes its right-hand member close in carrier main-body
Step joint face.So, O-ring seal would not be as the wind turbine gearbox planet carrier master of prior art in installation process
Body sealing structure is such, it is necessary to be first installed in the annular groove on the endoporus of planet carrier sealing, then planet carrier is sealed
It is set in from right to left in the department of assembly of carrier main-body, then O-ring seal, will not be by planet carrier master in installation process
The stop of step joint face on body, installation is easier, and will not also be pacified by the step joint face institute scratch in carrier main-body
Full property and reliability are preferable.In addition, when O-ring seal is needed repairing or changed using failure for a long time, it is only necessary to pull down gap
Sealing, can just be changed to O-ring seal, it is not necessary to which housing plate is sealed also without dismounting planet carrier before dismounting, thus O
The maintenance of type sealing ring changes also very convenient easy.
Preferably, the planet carrier is sealed into multiple tracks labyrinth sealing, and the preceding housing plate is located at annular stop portion
Within the right-hand member of annular protrusion sealed close to the left end and endoporus of endoporus with planet carrier and the geomery of periphery with mutually fitting
Match somebody with somebody.This causes the sealing of the present invention preferably, can fully ensure that lubricating oil axially will not outwards be thrown away, and prevent
Ooze, oil leakage phenomenon.
Preferably, drainback passage, housing plate and planet carrier before the drainback passage connection are provided with preceding housing plate
The inner chamber of the casing of place in sealing contact and wind turbine gearbox.This make it that preceding housing plate oozes with a small amount of of planet carrier place in sealing contact
The lubricating oil of leakage can flow back into the inner chamber of the casing of wind turbine gearbox again, proceed to use, it is to avoid the lubricating oil of seepage
It is wasted.
Brief description of the drawings
Fig. 1 is the schematic diagram that traditional wind turbine gearbox inputs axle sealing structure；Because the wind turbine gearbox input shaft is close
Seal structure is symmetrical structure, for simplicity, and its latter half is only depicted in figure；
Fig. 2 is the structural representation of the present invention, due to being symmetrical structure due to the present invention, for simplicity, is only depicted in figure
Its latter half.
Embodiment
The preferred embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
Wind turbine gearbox carrier main-body sealing structure shown in Figure 2, of the invention, including carrier main-body 1, preceding case
Body end lid 2, planet carrier sealing 3, O-ring seal 4 and clearance seal A, the carrier main-body 1 include carrier main-body body 10
With the department of assembly 11 by the radially outwardly projecting of carrier main-body body 10, and connected by carrier main-body body 10 and department of assembly 11
The step joint face 12 that place is formed is connect, the left end of the preceding housing plate 2 is located close on endoporus provided with the annular limit extended to the left
Position portion 20, the left end of the planet carrier sealing 3 is provided with the ring stretched out corresponding with the annular stop portion 20 of preceding housing plate 2
Shape projection 30, its endoporus is provided with annular groove 31, and the planet carrier sealing 3 is set in the department of assembly 11 of carrier main-body 1,
Its right-hand member is close to the step joint face 12 in carrier main-body 1, and the O-ring seal 4 is installed on the endoporus of planet carrier sealing 3
Annular groove 31 in, the annular stop portion 20 of the preceding housing plate 2 is located in the casing 5 of wind turbine gearbox, its annular limit
The right side connection of the casing 5 of left side and wind turbine gearbox under position portion 20, the endoporus and planet in its annular stop portion 20
The periphery contact of the annular protrusion 30 of frame sealing 3.From Figure 2 it can be seen that the annular groove 31 on the endoporus of the planet carrier sealing 3
On the right-hand member angle for the endoporus that 3 are sealed in planet carrier and the annular groove 31 is radially and right-hand member is the structure of opening, it is described between
Gap sealing A left end angle is provided with the annular groove corresponding with the annular groove 31 on the right-hand member angle of the periphery of planet carrier sealing 3
A0, the annular groove A0 are radially and left end is the structure of opening, and the right-hand member of the planet carrier sealing 3 is located at preceding housing plate
Within 2 right-hand member and right-hand member and the clearance seal A of planet carrier sealing 3 left end against the part of O-ring seal 4 is installed
In planet carrier seal 3 endoporus on annular groove 31 in, a part be installed in clearance seal A annular groove A0, it is described between
It is assemblied between preceding housing plate 2 and planet carrier sealing 3 to gap sealing A left half radial seal, before right half is axially located
Outside the right-hand member of housing plate 2 and its right-hand member is close to the step joint face 12 in carrier main-body 1.
Shown in Figure 2, in the present invention, the planet carrier sealing 3 is multiple tracks labyrinth sealing, the preceding housing plate
2 left end and endoporus close to endoporus being located within annular stop portion 20 seals the right-hand member of 3 annular protrusion 30 with planet carrier
And the geomery of periphery is with being adapted.
It is shown in Figure 2, in the present invention, drainback passage 21 is provided with preceding housing plate 2, the drainback passage 21 connects
Housing plate 2 seals the inner chamber of the casing 5 of 3 contact positions and wind turbine gearbox with planet carrier before logical.
The preferred embodiment of the present invention is elaborated above in conjunction with accompanying drawing, but the present invention be not limited to it is above-mentioned
Embodiment, in the knowledge that art those of ordinary skill possesses, can also not depart from ancestor of the present invention
Various changes can be made on the premise of purport.
Claims (3)
1. a kind of wind turbine gearbox carrier main-body sealing structure, including carrier main-body（1）, preceding housing plate（2）, planet carrier
Sealing（3）, O-ring seal（4）And clearance seal（A）, the carrier main-body（1）Including carrier main-body body（10）With by
Carrier main-body body（10）The department of assembly of radially outwardly projecting（11）, and by carrier main-body body（10）And department of assembly（）
The step joint face that 11 junctions are formed（12）, the preceding housing plate（2）Left end locate close on endoporus provided with extending to the left
Annular stop portion（20）, the planet carrier sealing（3）Left end be provided with and preceding housing plate（2）Annular stop portion（20）It is right
The annular protrusion stretched out answered（30）, its endoporus is provided with annular groove（31）, the planet carrier sealing（3）It is set in row
Carrier main body（1）Department of assembly（11）On, its right-hand member is close to carrier main-body（1）On step joint face（12）, it is described O-shaped close
Seal（4）It is installed on planet carrier sealing（3）Endoporus on annular groove（31）In, the preceding housing plate（2）Annular limit
Position portion（20）Positioned at the casing of wind turbine gearbox（5）It is interior, its annular stop portion（20）Under left side and wind turbine gearbox
Casing（5）Right side connection, its annular stop portion（20）Endoporus and planet carrier seal（3）Annular protrusion（30）Periphery
Contact, it is characterised in that：The planet carrier sealing（3）Endoporus on annular groove（31）Positioned at planet carrier sealing（3）It is interior
On the right-hand member angle in hole and the annular groove（31）It is the structure that opening is radially with right-hand member, the clearance seal（A）Left end
Angle is provided with to be sealed with planet carrier（3）Periphery right-hand member angle on annular groove（31）Corresponding annular groove（A0）, it is described
Annular groove（A0）It is the structure that opening is radially with left end, the planet carrier sealing（3）Right-hand member be located at preceding housing plate（2）
Right-hand member within and planet carrier seal（3）Right-hand member and clearance seal（A）Left end against the O-ring seal（4）A part
It is installed on planet carrier sealing（3）Endoporus on annular groove（31）In, a part be installed on clearance seal（A）Annular groove
（A0）In, the clearance seal（A）Left half radial seal be assemblied in preceding housing plate（2）With planet carrier sealing（3）It
Between, right half be axially located preceding housing plate（2）Right-hand member outside and its right-hand member close to carrier main-body（1）On step connection
Face（12）.
2. wind turbine gearbox carrier main-body sealing structure as claimed in claim 1, it is characterised in that：The planet carrier sealing
（3）For multiple tracks labyrinth sealing, the preceding housing plate（2）Be located at annular stop portion（20）Within the left end close to endoporus
And endoporus is sealed with planet carrier（3）Annular protrusion（30）Right-hand member and periphery geomery with being adapted.
3. wind turbine gearbox carrier main-body sealing structure as claimed in claim 1 or 2, it is characterised in that：In preceding cabinet end
Lid（2）It is provided with drainback passage（21）, the drainback passage（21）Housing plate before connection（2）Sealed with planet carrier（3）Contact
Place and the casing of wind turbine gearbox（5）Inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358838.1A CN106949229A (en) | 2017-05-19 | 2017-05-19 | A kind of wind turbine gearbox carrier main-body sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358838.1A CN106949229A (en) | 2017-05-19 | 2017-05-19 | A kind of wind turbine gearbox carrier main-body sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106949229A true CN106949229A (en) | 2017-07-14 |
Family
ID=59480340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710358838.1A Pending CN106949229A (en) | 2017-05-19 | 2017-05-19 | A kind of wind turbine gearbox carrier main-body sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949229A (en) |
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|---|---|---|---|---|
| JP2009243522A (en) * | 2008-03-28 | 2009-10-22 | Nissan Tanaka Corp | Safety valve and sealing structure |
| CN102335962A (en) * | 2011-09-30 | 2012-02-01 | 永济新时速电机电器有限责任公司 | Novel mortar truck with sealing structure |
| CN203463628U (en) * | 2013-08-20 | 2014-03-05 | 天津市华业荣成精密机械有限公司 | Axial locking structure for gear speed reducer for construction hoist |
| CN103867691A (en) * | 2014-04-15 | 2014-06-18 | 郑州机械研究所 | Shaft-end seal and oil return structure of gear box |
| CN203725207U (en) * | 2013-12-25 | 2014-07-23 | 济南重工股份有限公司 | Sealing structure of wet type ball grinding machine |
| CN205136550U (en) * | 2015-12-02 | 2016-04-06 | 江苏欧邦电机制造有限公司 | Seal structure of planetary gear reducer machine |
| CN205503925U (en) * | 2016-03-17 | 2016-08-24 | 重庆望江工业有限公司 | Wind -powered electricity generation gearbox output shaft seal structure |
| 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 |
| CN106641203A (en) * | 2016-12-28 | 2017-05-10 | 南京高速齿轮制造有限公司 | Sealing structure on input shaft and output shaft aiming at gear box used for aerogenerator |
| CN206785987U (en) * | 2017-05-19 | 2017-12-22 | 重庆望江工业有限公司 | A kind of wind turbine gearbox carrier main-body sealing mechanism |
-
2017
- 2017-05-19 CN CN201710358838.1A patent/CN106949229A/en active Pending
Patent Citations (10)
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|---|---|---|---|---|
| JP2009243522A (en) * | 2008-03-28 | 2009-10-22 | Nissan Tanaka Corp | Safety valve and sealing structure |
| CN102335962A (en) * | 2011-09-30 | 2012-02-01 | 永济新时速电机电器有限责任公司 | Novel mortar truck with sealing structure |
| CN203463628U (en) * | 2013-08-20 | 2014-03-05 | 天津市华业荣成精密机械有限公司 | Axial locking structure for gear speed reducer for construction hoist |
| CN203725207U (en) * | 2013-12-25 | 2014-07-23 | 济南重工股份有限公司 | Sealing structure of wet type ball grinding machine |
| CN103867691A (en) * | 2014-04-15 | 2014-06-18 | 郑州机械研究所 | Shaft-end seal and oil return structure of gear box |
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| CN205503925U (en) * | 2016-03-17 | 2016-08-24 | 重庆望江工业有限公司 | Wind -powered electricity generation gearbox output shaft seal structure |
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Application publication date: 20170714 |