CN108953567A - A kind of gear-box with bubble removing labyrinth seal structure - Google Patents
A kind of gear-box with bubble removing labyrinth seal structure Download PDFInfo
- Publication number
- CN108953567A CN108953567A CN201810872821.2A CN201810872821A CN108953567A CN 108953567 A CN108953567 A CN 108953567A CN 201810872821 A CN201810872821 A CN 201810872821A CN 108953567 A CN108953567 A CN 108953567A
- Authority
- CN
- China
- Prior art keywords
- labyrinth seal
- box
- gear
- bubble removing
- ring
- 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
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
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
-
- 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
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
-
- 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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
Abstract
The present invention relates to gear box structure fields, more particularly to a kind of gear-box with bubble removing labyrinth seal structure, planet carrier is installed inside its gear-box, cabinet and bearing, gear-box makes lubricating oil be directly injected to bearing by lubricant passage way, labyrinth seal inner ring abutting is set in outside planet carrier, labyrinth seal outer ring is set in outside labyrinth seal inner ring, labyrinth seal outer ring offers third groove, third back oil road is consequently formed in third groove and cabinet perforation connection, cabinet is connected with bubble removing component in third oil return road junction end face, when use, when bubble contact will disappear to bubble removing component bubble, therefore by the outer surface that V-shaped seal ring penetrates into gear-box oil leak will not occur for bubble into third oil duct, it effectively solves the problems, such as to make gear-box permeability because its bubble is excessive, and it is at low cost also easy to assembly.
Description
Technical field
The present invention relates to gear box structure field more particularly to a kind of gear-boxes with bubble removing labyrinth seal structure.
Background technique
In the prolonged operation process of wind power generating set, the oil leakage phenomenon of gear-box is very serious, and low speed end occurs
Oil leakage phenomenon, ordinary circumstance will be considered that oil volume of gear box is excessively high and influence, to take measure appropriate of draining the oil, another party
Face is in the peak period of wind turbine power generation, and the duration of runs of the gear-box foam of longer generation is more, and labyrinth oil return opening is without bubble removing
Component, easier send as an envoy to existing illusion oil starvation fault alarm big so as to cause oil level changing value.
And wind power generating set installation site often 70 ~ 90 meters of high-altitudes at the air ports such as high mountain, wilderness, seabeach, it is easy
It is contaminated and corrodes, and be often subject to the wind-force effect and the impact of strong gusts of wind of irregular deflecting varying load, and cabin
Inner space is narrow, so repairing quite hardly possible after breaking down.
Therefore being badly in need of a kind of be avoided that in the market leads to the gear-box of permeability because bubble is excessive.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of are avoided that lead to the gear-box of permeability because bubble is excessive.
The technical scheme to solve the above technical problems is that
A kind of gear-box with bubble removing labyrinth seal structure is equipped with planet carrier inside the gear-box, and planet carrier is outwardly
One end be arranged with cabinet, bearing is equipped between the planet carrier and cabinet, the gear-box makes lubricating oil by lubricant passage way
It is directly injected to bearing, the cabinet upper end offers oil back chamber in the position of corresponding shaft bearing, between the planet carrier and cabinet
It is arranged with labyrinth seal ring in the position of bearing front end, the labyrinth seal ring includes outside labyrinth seal inner ring and labyrinth seal
Ring, the labyrinth seal inner ring abutting are set in outside planet carrier, and the labyrinth seal outer ring is set in outside labyrinth seal inner ring, institute
It states labyrinth seal external annular surface circle distribution and is through with step groove, and the oil back chamber pair of the step groove of labyrinth seal outer ring and cabinet
It should be connected to and the first back oil road is consequently formed, one side that the labyrinth seal outer ring is in contact with labyrinth seal inner ring recess setting the
The second back oil road is consequently formed in two grooves, and the labyrinth seal outer ring is opened up in the second groove towards extraneous side vertically downward
There is third groove, and third back oil road is consequently formed in third groove and cabinet perforation connection, the cabinet is at third oil return road junction
End face is connected with bubble removing component, and the bubble removing component is that surface interval penetrates through mesh having openings therein.
Preferably, the bubble removing component outer diameter is φ 42mm, and the bubble removing parts surface interval is through with sieve
Hole, the sieve pore are 0.0750mm standard mesh number.
Preferably, the cabinet is fixedly connected by welding in third oil return road junction end face bubble removing component.
Preferably, mutually one end far from labyrinth seal inner ring is connected with plug screw to the second groove of the labyrinth seal outer ring.
Preferably, V-shaped seal ring is additionally provided between the labyrinth seal outer ring and labyrinth seal inner ring, the V-type is close
Seal is connected to the one side that labyrinth seal outer ring is contacted with labyrinth seal inner ring.
Preferably, the labyrinth seal outer ring offers the mounting groove for accommodating V-shaped seal ring, the V-shaped seal ring installation
In mounting groove.
The beneficial effects of the present invention are: will form between gear when gear-box is in prolonged operation process and stir oil, from
And gear-box is made to generate a large amount of bubble, when bubble contact is to bubble removing component, bubble will disappear, therefore bubble will not be into
Enter third back oil road and oil leak is occurred by the outer surface that V-shaped seal ring penetrates into gear-box, to effectively solve because of its bubble mistake
The problem of more making gear-box permeability, and it is at low cost also easy to assembly.
Further, the foam for reducing gear-box generation avoids the occurrence of illusion oil starvation failure to reduce oil level changing value
Alarm.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the cross section structure schematic diagram of gear-box of the present invention.
Fig. 2 is the partial enlargement diagram in Fig. 1 at A.
Fig. 3 is the amagnified partial perspective schematic diagram in Fig. 1 at A.
Fig. 4 is the step slot structure schematic diagram of labyrinth seal outer ring.
Fig. 5 is the schematic diagram of the second back oil road.
Fig. 6 is the connection schematic diagram of cabinet and bubble removing component.
Fig. 7 is the schematic diagram of bubble removing component.
Appended drawing reference:
1- planet carrier；2-V type sealing ring；3- labyrinth seal inner ring；4- bearing；5- plug screw；6- labyrinth seal outer ring；7- cabinet；
8- bubble removing component；The first back oil road of 9-；The second back oil road of 10-；11- third back oil road；12- gear-box；13- oil back chamber；14-
Step groove；The second groove of 15-；16- third groove.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1 and Figure 7, a kind of gear-box with bubble removing labyrinth seal structure is installed inside the gear-box 12
There is planet carrier 1, and the one end of planet carrier 1 outwardly is arranged with cabinet 7, bearing 4 is equipped between the planet carrier 1 and cabinet 7, it is described
Gear-box 12 makes lubricating oil be directly injected to bearing 4 by lubricant passage way, and 7 upper end of cabinet is opened in the position of corresponding shaft bearing 4
Equipped with oil back chamber 13, labyrinth seal ring, the labyrinth are arranged in the position of 4 front end of bearing between the planet carrier 1 and cabinet 7
Sealing ring includes labyrinth seal inner ring 3 and labyrinth seal outer ring 6, and the abutting of labyrinth seal inner ring 3 is set in outside planet carrier 1,
The labyrinth seal outer ring 6 is set in outside labyrinth seal inner ring 3, and 6 surface perimeter of the labyrinth seal outer ring distribution is through with platform
Rank slot 14, and the first back oil road 9 is consequently formed in the connection corresponding with the oil back chamber 13 of cabinet 7 of the step groove 14 of labyrinth seal outer ring 6,
One side recess the second groove 15 of setting that the labyrinth seal outer ring 6 is in contact with labyrinth seal inner ring 3 is consequently formed second time
Oil duct 10, the labyrinth seal outer ring 6 offer third groove 16 towards extraneous side in the second groove 15 vertically downward, and
Third back oil road 11 is consequently formed in third groove 16 and the perforation connection of cabinet 7, and the cabinet 7 connects in 11 mouthfuls of end faces of third back oil road
It is connected to bubble removing component 8, the bubble removing component 8 is that surface interval penetrates through mesh having openings therein.
In the present embodiment, 8 outer diameter of bubble removing component is φ 42mm, and the 8 surface interval of bubble removing component penetrates through
There is sieve pore, the sieve pore is 0.0750mm standard mesh number, as 200 mesh.
In the present embodiment, cabinet 7 is fixedly connected by welding bubble removing component 8 in 11 mouthfuls of end faces of third back oil road.
In the present embodiment, 15 phase of the second groove of labyrinth seal outer ring 6 is connected with far from one end of labyrinth seal inner ring 3
Plug screw 5.
In the present embodiment, V-shaped seal ring 2, the V are additionally provided between labyrinth seal outer ring 6 and labyrinth seal inner ring 3
Type sealing ring 2 is connected to the one side that labyrinth seal outer ring 6 is contacted with labyrinth seal inner ring 3.
In the present embodiment, labyrinth seal outer ring 6 offers the mounting groove for accommodating V-shaped seal ring 2, the V-shaped seal ring 2
It is mounted in mounting groove.
A kind of above-mentioned gear-box with bubble removing labyrinth seal structure, when in use, the labyrinth seal of this gear-box 12
The tri- oil return path Huan You, the gear-box 12 make lubricating oil be directly injected to bearing 4 by lubricant passage way, then a part profit
Lubricating oil enters raceway, step groove 14 and cabinet 7 of another part lubricating oil from the labyrinth seal outer ring 6 of the first back oil road 9
Oil back chamber 13 be connected to oil return, there are also sub-fraction lubricating oil by the second back oil road 10 the second groove 15 carry out oil return, remain
Remaining minimal amount of lubricating oil can flow to 11 mouthfuls of end faces of third back oil road of cabinet 7 from the third groove 16 of third back oil road 11,
Since 11 mouthfuls of end faces of third back oil road of cabinet 7 are welded with bubble removing component 8, and bubble removing component 8 is that surface interval is through with
The sieve of sieve pore；
When gear-box 12 is in prolonged operation process, it will form between gear and stir oil, so that gear-box 12 be made to generate largely
Bubble, so bubble will disappear when bubble contact is to bubble removing component 8, therefore bubble will not enter third back oil road 16
Oil leak occurs by the outer surface that V-shaped seal ring 2 penetrates into gear-box, to effectively solve to make gear-box because its bubble is excessive
The problem of 12 permeability, and it is at low cost also easy to assembly.
Further, reduce the foam of the generation of gear-box 12, to reduce oil level changing value, avoid the occurrence of the event of illusion oil starvation
Barrier alarm.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (6)
1. a kind of gear-box with bubble removing labyrinth seal structure, the gear-box (12) is internal to be equipped with planet carrier (1), and
The one end of planet carrier (1) outwardly is arranged with cabinet (7), is equipped with bearing (4) between the planet carrier (1) and cabinet (7), the tooth
Roller box (12) is directly injected to lubricating oil bearing (4) by lubricant passage way, and cabinet (7) upper end is in corresponding shaft bearing (4)
Position offers oil back chamber (13), which is characterized in that in the position of bearing (4) front end between the planet carrier (1) and cabinet (7)
It is arranged with labyrinth seal ring, the labyrinth seal ring includes labyrinth seal inner ring (3) and labyrinth seal outer ring (6), the labyrinth
Sealing inner ring (3) is close to be set in planet carrier (1) outside, and the labyrinth seal outer ring (6) is set in labyrinth seal inner ring (3) outside,
Labyrinth seal outer ring (6) the surface perimeter distribution is through with step groove (14), and the step groove (14) of labyrinth seal outer ring (6)
Connection corresponding with oil back chamber (13) of cabinet (7) is consequently formed the first back oil road (9), the labyrinth seal outer ring (6) and labyrinth
The second back oil road (10) are consequently formed in the one side recess setting the second groove (15) that sealing inner ring (3) is in contact, and the labyrinth is close
Envelope outer ring (6) offers third groove (16) in the second groove (15) towards extraneous side vertically downward, and third groove
(16) it is consequently formed third back oil road (11) with cabinet (7) perforation connection, the cabinet (7) is in third back oil road (11) mouth end face
It is connected with bubble removing component (8), the bubble removing component (8) is that surface interval penetrates through mesh having openings therein.
2. a kind of gear-box with bubble removing labyrinth seal structure according to claim 1, which is characterized in that described
Bubble removing component (8) outer diameter is φ 42mm, and bubble removing component (8) the surface interval is through with sieve pore, and the sieve pore is
0.0750mm standard mesh number.
3. a kind of gear-box with bubble removing labyrinth seal structure according to claim 1, which is characterized in that described
Cabinet (7) is fixedly connected by welding bubble removing component (8) in third back oil road (11) mouth end face.
4. a kind of gear-box with bubble removing labyrinth seal structure according to claim 1, which is characterized in that described
The one end of the second groove (15) of labyrinth seal outer ring (6) mutually far from labyrinth seal inner ring (3) is connected with plug screw (5).
5. a kind of gear-box with bubble removing labyrinth seal structure according to claim 1, which is characterized in that described
It is additionally provided between labyrinth seal outer ring (6) and labyrinth seal inner ring (3) V-shaped seal ring (2), V-shaped seal ring (2) connection
In the one side that labyrinth seal outer ring (6) is contacted with labyrinth seal inner ring (3).
6. a kind of gear-box with bubble removing labyrinth seal structure according to claim 5, which is characterized in that described
Labyrinth seal outer ring (6) offers the mounting groove for accommodating V-shaped seal ring (2), and the V-shaped seal ring (2) is mounted in mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872821.2A CN108953567A (en) | 2018-08-02 | 2018-08-02 | A kind of gear-box with bubble removing labyrinth seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872821.2A CN108953567A (en) | 2018-08-02 | 2018-08-02 | A kind of gear-box with bubble removing labyrinth seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953567A true CN108953567A (en) | 2018-12-07 |
Family
ID=64467028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810872821.2A Pending CN108953567A (en) | 2018-08-02 | 2018-08-02 | A kind of gear-box with bubble removing labyrinth seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953567A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185778A (en) * | 2019-06-25 | 2019-08-30 | 重庆望江工业有限公司 | A kind of wind turbine gearbox output shaft oil-returning structure |
| WO2022002430A3 (en) * | 2020-07-01 | 2022-03-31 | Sew-Eurodrive Gmbh & Co. Kg | Transmission with a shaft and a housing part |
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| JP2013200029A (en) * | 2011-09-20 | 2013-10-03 | Nok Corp | Oil strainer |
| CN203703095U (en) * | 2014-02-10 | 2014-07-09 | 高英辉 | Lubricating oil bubble removal device for gearbox of railroad hauling car |
| CN204004330U (en) * | 2014-07-01 | 2014-12-10 | 江苏新瑞戴维布朗齿轮系统有限公司 | Wind turbine gearbox clearance sealing structure |
| CN106884972A (en) * | 2017-03-02 | 2017-06-23 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox input shaft labyrinth seal structure |
-
2018
- 2018-08-02 CN CN201810872821.2A patent/CN108953567A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102105725A (en) * | 2008-07-23 | 2011-06-22 | 索尤若驱动有限及两合公司 | Transmission |
| JP2013200029A (en) * | 2011-09-20 | 2013-10-03 | Nok Corp | Oil strainer |
| CN203703095U (en) * | 2014-02-10 | 2014-07-09 | 高英辉 | Lubricating oil bubble removal device for gearbox of railroad hauling car |
| CN204004330U (en) * | 2014-07-01 | 2014-12-10 | 江苏新瑞戴维布朗齿轮系统有限公司 | Wind turbine gearbox clearance sealing structure |
| CN106884972A (en) * | 2017-03-02 | 2017-06-23 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox input shaft labyrinth seal structure |
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| Title |
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| 李力等: "高速齿轮箱的润滑和密封", 《郑州纺织工学院学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185778A (en) * | 2019-06-25 | 2019-08-30 | 重庆望江工业有限公司 | A kind of wind turbine gearbox output shaft oil-returning structure |
| CN110185778B (en) * | 2019-06-25 | 2024-03-22 | 重庆望江工业有限公司 | Oil return structure of output shaft of wind power gear box |
| WO2022002430A3 (en) * | 2020-07-01 | 2022-03-31 | Sew-Eurodrive Gmbh & Co. Kg | Transmission with a shaft and a housing part |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |