CN104279329A - Oil catch - Google Patents
Oil catch Download PDFInfo
- Publication number
- CN104279329A CN104279329A CN201310275172.5A CN201310275172A CN104279329A CN 104279329 A CN104279329 A CN 104279329A CN 201310275172 A CN201310275172 A CN 201310275172A CN 104279329 A CN104279329 A CN 104279329A
- Authority
- CN
- China
- Prior art keywords
- oil
- ring
- oil catch
- rotating shaft
- baffle
- 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.)
- Granted
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Abstract
The invention discloses an oil catch which comprises an oil catch ring (3) arranged on a rotating shaft (7) in a sleeving mode and an inner oil baffle plate (5) sleeving the periphery of the rotating shaft (7). The inner oil baffle plate (5) is fixedly connected to the inner side of the oil catch ring (3), a gap is formed between the oil baffle plate (5) and the rotating shaft (7), and the inner oil baffle plate (5) is used for blocking oil attached to the rotating shaft (7) on an oil inlet path and enabling the oil to enter the position below the oil catch ring (3) through the gap. The oil catch has the advantages that due to the inner oil baffle plate fixedly connected to the inner side of the oil catch ring, the intercepting ability is improved, namely oil attached to the rotating shaft is firstly blocked by the inner oil baffle plate and then enters the gap, and the sealing effect is good.
Description
Technical field
The present invention relates to oil sealing device, more particularly, relate to a kind of be installed on generator rotating shaft place, for oil seal, the oil catch that prevents the oil that rotating shaft is adhered to from throwing away.
Background technique
Generator generally comprises rotating shaft, but in generator operation, along with the rotation of rotating shaft, the oil (being such as lubricant oil) that rotating shaft is adhered to easily is thrown to generator external from generator, not only bad for the operation of generator self, and the oil being thrown to generator external also easily pollutes miscellaneous equipment, cause the seriously polluted of miscellaneous equipment, the oil being thrown to generator external under certain situation also can cause the problems such as the short circuit of miscellaneous equipment.For the problems referred to above, the solution of prior art is generally be socketed an oil catch in rotating shaft, is stopped by the oil that oil catch countershaft adheres to; Oil catch of the prior art comprises oil catch ring, inner ring and outer shroud from outside to inside, and the inwall of outer shroud is provided with comb (sealing tooth), and the oil coming countershaft adheres to by sealing tooth stops.But there is the problem of poor, the easy leakage of oil of sealing in oil catch of the prior art.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect of poor, the easy leakage of oil of above-mentioned oil catch sealing of prior art, provides a kind of and can stop the outside leakage of oil of rotating shaft place of generator, the oil catch of good seal performance.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of oil catch, comprise the oil catch ring for being set in rotating shaft, also comprise the interior oil baffle being linked in described rotating shaft periphery, described interior oil baffle is fixed in inside described oil catch ring, gap is formed between described interior oil baffle and described rotating shaft, described interior oil baffle for stopping on oil-feed path the oil that described rotating shaft is adhered to, and makes described oil be entered below described oil catch ring by described gap.
In oil catch of the present invention, described oil catch also comprises outer shroud and inner ring, the inner side of described oil catch ring has annular cavity, elastic component is provided with in described annular cavity, the periphery wall of described outer shroud to be located in described annular cavity and to be abutted with described elastic component, the inner circle wall of described outer shroud is located in be socketed in rotating shaft described
In oil catch of the present invention, the spacing in described gap is L, 0.4≤L≤0.6 millimeter.
In oil catch of the present invention, described interior oil baffle is the oily aluminium sheet of interior gear.
In oil catch of the present invention, the end of described interior oil baffle is formed with a crown, and the length of described crown is M, 0.2≤M≤0.4 millimeter.
In oil catch of the present invention, described oil catch also comprises half baffle ring, and described interior oil baffle is installed in inside described oil catch ring by described half baffle ring.
In oil catch of the present invention, described inner ring comprises some splicing rings, and described some splicing eye tail connects to enclose and forms described inner ring, and the inner circle wall splicing ring described in each forms some sealing teeth; The described sealing tooth splicing ring described in one is equal with the described sealing number of teeth amount of splicing ring described in adjacent another, position is corresponding and abut one by one.
In oil catch of the present invention, the end of described splicing ring is also formed with oil-return groove, and the space formed between described oil-return groove with described some sealing teeth is communicated with.
In oil catch of the present invention, the quantity of splicing the described sealing tooth on the inner circle wall of ring described in each is 5.
In oil catch of the present invention, the quantity of described annular cavity is 2, and the described oil catch ring between 2 described annular cavities is formed with oil outlet.
Implement oil catch of the present invention, there is following beneficial effect: due to interior oil baffle affixed inside oil catch ring, this avoid the direct splash of oil on oil catch ring, add one interdiction capability, also be that the oil that rotating shaft is adhered to is first through the obstruction of interior oil baffle, oil enters the gap near being formed between the end and rotating shaft of the interior oil baffle of rotating shaft more afterwards, and such sealing effect is better, and the working life of oil catch is also longer; Interior oil baffle and oil catch interannular form dilatation chamber, and after making the oil leaking through interior oil baffle enter this dilatation chamber, oil pressure reduces, and then effectively reduces the backflow of oil.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of oil catch embodiment of the present invention;
Fig. 2 is the sectional structure schematic diagram along A-A line in Fig. 1;
Fig. 3 is the sectional structure schematic diagram along B-B line in Fig. 1;
In figure:
1-outer shroud, 2-inner ring, 3-oil catch ring, 4-elastic component, oil baffle in 5-, 6-half baffle ring, 7-rotating shaft; 21-seals tooth, 22-oil-return groove, 31-annular cavity, 51-end, 52-crown.
Embodiment
In order to there be understanding clearly to technical characteristics of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1 and composition graphs 2.The oil catch of the present embodiment, comprise the oil catch ring 3 for being set in rotating shaft 7, also comprise the interior oil baffle 5 being linked in rotating shaft 7 periphery, interior oil baffle 5 is fixed in inside oil catch ring 3, gap is formed between interior oil baffle 5 and rotating shaft 7, interior oil baffle 5 stops on oil-feed path for the oil of attachment on countershaft 7, and oil is entered below oil catch ring 3 by gap.The spacing in gap is L, 0.4≤L≤0.6 millimeter.
Oil catch also comprises outer shroud 1 and inner ring 2, the inner side of oil catch ring 3 has annular cavity 31, is provided with elastic component 4 in annular cavity 31, and the periphery wall of outer shroud 1 to be located in annular cavity 31 and to be abutted with elastic component 4, the inner circle wall of outer shroud 1 is located at for the inner ring 2 be socketed in rotating shaft 7
All in the form of a ring, outer shroud 1 and inner ring 2 can adopt stainless steel to obtain for outer shroud 1 and inner ring 2.
Inner ring 2 comprises some splicing rings, and some splicing eye tail connections enclose and form inner ring 2, and the inner circle wall of each splicing ring forms some sealing teeth 21.Such as inner ring 2 comprises 16 splicing rings, and the connection of 16 splicing eye tails encloses and forms inner ring 2, the inner circle wall of each splicing ring is formed 5 sealing teeth 21; Certainly, in other embodiments, the quantity of splicing ring is not limited to be 16, also can be other quantity such as 12,24.Correspondingly, outer shroud 1 also can be divided into and some sections of quantity such as splicing ring etc., and it is affixed that each section of outer shroud 1 and splices ring.The width of 5 sealing teeth 21 is 32.5 millimeters, and 5 sealing teeth 21 are evenly arranged, and make the spacing sealing tooth 21 comparatively reasonable like this, in coordinating, the effect of oil baffle 5, makes sealing effect better simultaneously; Certainly, in other embodiments, quantity of sealing tooth 21 of each splicing ring is also not limited to be 5, and also can be other quantity such as 2,3, other be identical with the present embodiment.
As shown in Figure 3, also circlewise, form annular cavity 31 within it, also namely on the inner circle wall of oil catch ring 3, form annular cavity 31, annular cavity 31 has an annular groove to oil catch ring 3, is arranged with two catch at the opening of annular groove; The periphery wall of outer shroud 1 is located in annular cavity 31, and further, the cross section of outer shroud 1 is in " work " font, such outer shroud 1 can be connected in annular groove, and two catch are stuck in the waist (intermediate portion) of outer shroud 1, so not only easy to assembly, also make convenient disassembly.In the present embodiment, the quantity of annular cavity 31 is 2, and the oil catch ring 3 between 2 annular cavities 31 is formed with oil outlet; Also namely each annular cavity 31 correspondence arranges elastic component 4, outer shroud 1 and an inner ring 2, when sealing like this, and oily Xu Jing tri-road interception: being first interior oil baffle 5, is secondly first inner ring 2, and be finally second inner ring 2, sealing effect is better.
Elastic component 4 is located in annular cavity 31, and elastic component 4 can be spring sheet or spring, and the present embodiment Elastic part 4 to be thickness be spring sheet of 2.0 millimeters, certainly in other embodiments, the thickness of elastic component 4 also can be other numerical value.Elastic component 4 can provide certain elastic buffer for outer shroud 1 and inner ring 2.
The oily aluminium sheet of gear in interior oil baffle 5 is preferably, the end 51 of interior oil baffle 5 is formed with a crown 52, and the length of crown 52 is M, 0.2≤M≤0.4 millimeter.When rotating shaft 7 working state occurs abnormal, rotating shaft 7 may touch mill with interior oil baffle 5, and now most weakness is crown 52 place.Interior oil baffle 5L is preferably 0.5 millimeter, this is because in actual motion, rotating shaft 7 is vibrated when unit vibration in other words conj.or perhaps does not also reach 0.5 millimeter and just shut down, and therefore now crown 52 can not touch and be ground to rotating shaft 7.M is preferably 0.3 millimeter; during long-term placement, aluminium is oxidizable, and after oxidation, crown 52 can produce harder containment vessel; but crown 52 is when running into certain active force (being such as be greater than 16.8N); first there is plastic deformation in crown 52, namely crown 52 bends, and shaft clearance (gap of interior oil baffle 5 and rotating shaft 7) is expanded immediately; make to touch mill to disappear; after touching mill disappearance, the stressed of other place also disappears thereupon, which increases the coefficient of safe operation.Therefore, interior oil baffle 5 adopts aluminum material to obtain to be entirely content to retain sovereignty over a part of the country, to be also namely conducive to avoiding touching mill, even if touch mill simultaneously, crown 52 also can not cause damage by countershaft 7.
In certain embodiments, L also can be 0.4 millimeter, 0.6 millimeter or other numerical value between 0.4-0.6 millimeter, and other is identical with the present embodiment.In further embodiments, M also can be 0.2 millimeter, 0.4 millimeter or other numerical value between 0.2-0.4 millimeter, and other is identical with the present embodiment.
Interior oil baffle 5 is fixed on the inner side of oil catch ring 3; It should be noted that at this, rotating shaft 7 is generally mounted on main frame, and after the oil catch of the present embodiment is located in rotating shaft 7, oil catch ring 3 is inner side near the side of main frame, and oil catch ring 3 is outside away from the side of main frame; It should be noted that about above-mentioned oil-feed path, oil-feed path is the path of side from the inside to the outside, in rotating shaft 7, the oil of attachment enters below oil catch ring 3 by oil-feed path, before the oil that the present embodiment adheres in rotating shaft 7 enters below oil catch ring 3, oil-feed path arranges interior oil baffle 5, stops for the first time with the oil of attachment on countershaft 7.Interior oil baffle 5 is fixed on the inner side of oil catch ring 3, which increase one interdiction capability, also be that the oil of attachment in rotating shaft 7 is first through the obstruction of interior oil baffle 5, oil enters the gap near being formed between the end 51 and rotating shaft 7 of the interior oil baffle 5 of rotating shaft 7 more afterwards, inner ring 2 is entered by gap, tackled by inner ring 2, such sealing effect is better, and the working life of oil catch is also longer again.(dilatation chamber is by interior oil baffle 5 to form dilatation chamber between interior oil baffle 5 and oil catch ring 3, the sealing tooth 21 of oil catch ring 3 and close interior oil baffle 5 encloses formation, the entrance of dilatation chamber is the gap formed between interior oil baffle 5 and rotating shaft 7, the outlet of dilatation chamber is positioned at the below of above-mentioned sealing tooth 21), after making the oil leaking through interior oil baffle 5 enter this dilatation chamber, oil pressure reduces, oil is tackled by sealing tooth 21 more afterwards, and the oil after step-down can avoid the phenomenon of the backflow occurring oil, also be, avoid occurring that oil enters the inner phenomenon of main frame (being such as generator) by sealing tooth 21.
Preferably, interior oil baffle 5 is perpendicular to the axis of rotating shaft 7, and such advantage is, when in rotating shaft 7, the oil of attachment gets rid of on interior oil baffle 5, the active force that the internal oil baffle 5 of oil applies is comparatively even, avoids uneven active force easily to cause the problem of interior oil baffle 5 and oil catch ring 3 Joint failure.Certainly, in certain embodiments, interior oil baffle 5 can be also that acute angle or obtuse angle are arranged with rotating shaft 7.
The oil catch of the present embodiment also comprises half baffle ring 6, and interior oil baffle 5 is installed in inside oil catch ring 3 by half baffle ring 6.Means of fixation is realized by bolt.
About splicing ring, it should be noted that:
The end of splicing ring is also formed with oil-return groove 22, and oil-return groove 22 seal the space formed between tooth 21 be communicated with 5, and the oil also namely between sealing tooth 21 can be reclaimed by oil-return groove 22.Sealing tooth 21 quantity that sealing tooth 21 and adjacent another of one splicing ring splice ring is equal, position is corresponding and abut one by one, corresponding sealing tooth 21 is made to be combined into a complete ring like this, be conducive to the uniform force of oil catch, if because there is breach in above-mentioned ring, not only bad for the circulation sealing oil between tooth 21, also make sealing tooth 21 suffer extra collapsing force, be unfavorable for the working life of oil catch.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (10)
1. an oil catch, comprise the oil catch ring (3) for being set in rotating shaft (7), it is characterized in that, also comprise the interior oil baffle (5) being linked in described rotating shaft (7) periphery, described interior oil baffle (5) is fixed in described oil catch ring (3) inner side, gap is formed between described interior oil baffle (5) and described rotating shaft (7), described interior oil baffle (5) for stopping on oil-feed path the oil of the upper attachment of described rotating shaft (7), and makes described oil enter described oil catch ring (3) below by described gap.
2. oil catch according to claim 1, it is characterized in that, described oil catch also comprises outer shroud (1) and inner ring (2), the inner side of described oil catch ring (3) has annular cavity (31), elastic component (4) is provided with in described annular cavity (31), the periphery wall of described outer shroud (1) to be located in described annular cavity (31) and to be abutted with described elastic component (4), is located at the inner circle wall of described outer shroud (1) for the described inner ring (2) be socketed in rotating shaft (7).
3. oil catch according to claim 2, is characterized in that, the spacing in described gap is L, 0.4≤L≤0.6 millimeter.
4. oil catch according to claim 1, is characterized in that, described interior oil baffle (5) is the oily aluminium sheet of interior gear.
5. oil catch according to claim 1, is characterized in that, the end (51) of described interior oil baffle (5) is formed with a crown (52), and the length of described crown (52) is M, 0.2≤M≤0.4 millimeter.
6. oil catch according to claim 1, is characterized in that, described oil catch also comprises half baffle ring (6), and described interior oil baffle (5) is installed in described oil catch ring (3) inner side by described half baffle ring (6).
7. oil catch according to claim 1, is characterized in that, described inner ring (2) comprises some splicing rings, and described some splicing eye tail connects to enclose and forms described inner ring (2), and the inner circle wall splicing ring described in each forms some sealing teeth (21); The described sealing tooth (21) of splicing ring described in one is equal with described sealing tooth (21) quantity of splicing ring described in adjacent another, position is corresponding and abut one by one.
8. oil catch according to claim 7, is characterized in that, the end of described splicing ring is also formed with oil-return groove (22), and the space formed between described oil-return groove (22) with described some sealing teeth (21) is communicated with.
9. oil catch according to claim 7, is characterized in that, the quantity of splicing the described sealing tooth (21) on the inner circle wall of ring described in each is 5.
10. oil catch according to claim 1, is characterized in that, the quantity of described annular cavity (31) is 2, and the described oil catch ring (3) between 2 described annular cavities (31) is formed with oil outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310275172.5A CN104279329B (en) | 2013-07-02 | 2013-07-02 | A kind of oil catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310275172.5A CN104279329B (en) | 2013-07-02 | 2013-07-02 | A kind of oil catch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279329A true CN104279329A (en) | 2015-01-14 |
| CN104279329B CN104279329B (en) | 2016-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310275172.5A Active CN104279329B (en) | 2013-07-02 | 2013-07-02 | A kind of oil catch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279329B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421432A (en) * | 2013-08-21 | 2015-03-18 | 中国广核集团有限公司 | Sealing component of electric generator at nuclear power station and sealing system |
| CN109707849A (en) * | 2019-01-11 | 2019-05-03 | 东方电气集团东方汽轮机有限公司 | A kind of oil retainer structure |
| CN113629929A (en) * | 2021-07-31 | 2021-11-09 | 周张宁 | Double-cavity oil retainer structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470603Y (en) * | 2001-03-07 | 2002-01-09 | 骆义根 | Multi-spline oil-scraper ring |
| CN2477833Y (en) * | 2001-05-30 | 2002-02-20 | 石占山 | Extraction check device for turbo-set |
| CN101216108A (en) * | 2007-12-29 | 2008-07-09 | 东方电气集团东方汽轮机有限公司 | Adjustable deflector and its regulation method |
| CN101392834A (en) * | 2007-09-19 | 2009-03-25 | 中国铝业股份有限公司 | Hermetic sealing steam baffle structure |
| CN201679963U (en) * | 2010-01-29 | 2010-12-22 | 王喜清 | Split type all sealing oil baffle |
| JP2012102656A (en) * | 2010-11-09 | 2012-05-31 | Toshiba Corp | Shaft seal device, clearance adjusting method of shaft seal device, and steam turbine |
| CN202884025U (en) * | 2012-11-08 | 2013-04-17 | 苏洪洲 | Rebound-type contact oil baffle |
| CN203500458U (en) * | 2013-07-02 | 2014-03-26 | 苏州热工研究院有限公司 | Oil catch |
-
2013
- 2013-07-02 CN CN201310275172.5A patent/CN104279329B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470603Y (en) * | 2001-03-07 | 2002-01-09 | 骆义根 | Multi-spline oil-scraper ring |
| CN2477833Y (en) * | 2001-05-30 | 2002-02-20 | 石占山 | Extraction check device for turbo-set |
| CN101392834A (en) * | 2007-09-19 | 2009-03-25 | 中国铝业股份有限公司 | Hermetic sealing steam baffle structure |
| CN101216108A (en) * | 2007-12-29 | 2008-07-09 | 东方电气集团东方汽轮机有限公司 | Adjustable deflector and its regulation method |
| CN201679963U (en) * | 2010-01-29 | 2010-12-22 | 王喜清 | Split type all sealing oil baffle |
| JP2012102656A (en) * | 2010-11-09 | 2012-05-31 | Toshiba Corp | Shaft seal device, clearance adjusting method of shaft seal device, and steam turbine |
| CN202884025U (en) * | 2012-11-08 | 2013-04-17 | 苏洪洲 | Rebound-type contact oil baffle |
| CN203500458U (en) * | 2013-07-02 | 2014-03-26 | 苏州热工研究院有限公司 | Oil catch |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421432A (en) * | 2013-08-21 | 2015-03-18 | 中国广核集团有限公司 | Sealing component of electric generator at nuclear power station and sealing system |
| CN104421432B (en) * | 2013-08-21 | 2017-11-21 | 中国广核集团有限公司 | The seal member and sealing system of generator of nuclear power station |
| CN109707849A (en) * | 2019-01-11 | 2019-05-03 | 东方电气集团东方汽轮机有限公司 | A kind of oil retainer structure |
| CN113629929A (en) * | 2021-07-31 | 2021-11-09 | 周张宁 | Double-cavity oil retainer structure |
| CN113629929B (en) * | 2021-07-31 | 2022-11-11 | 智伟电力(无锡)有限公司 | Double-cavity oil retainer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104279329B (en) | 2016-12-28 |
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