CN112576754A - Oil retaining protection device for bearing bush of steam turbine unit - Google Patents
Oil retaining protection device for bearing bush of steam turbine unit Download PDFInfo
- Publication number
- CN112576754A CN112576754A CN202011532986.9A CN202011532986A CN112576754A CN 112576754 A CN112576754 A CN 112576754A CN 202011532986 A CN202011532986 A CN 202011532986A CN 112576754 A CN112576754 A CN 112576754A
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- ring
- groove
- fixing
- outer ring
- leakage
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
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- 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
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/24—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a bearing bush oil retaining protection device of a steam turbine unit, belonging to the technical field of bearing bush oil retaining, and comprising a first outer ring, wherein one side of the first outer ring is provided with a first fixing hole, a second outer ring is arranged in the first outer ring, one side of the second outer ring extends to the outside of the first outer ring, two ends of the outer side of the second outer ring are respectively provided with a first connecting sheet, one side of each first connecting sheet is fixedly connected with the first outer ring, the other side of each first connecting sheet is fixedly connected with the second outer ring, one side of each first connecting sheet is provided with a second fixing hole, the other side of each first connecting sheet is provided with a second connecting sheet, and one side of each second connecting sheet is provided with a third fixing hole. The leakage-proof mechanism is arranged, so that the lubricating oil in the bearing bush oil retainer ring can be recycled, the lubricating oil can be effectively prevented from flowing out of the bearing bush oil retainer ring, the safety of the bearing bush oil retainer ring is greatly improved, and the bearing bush oil retainer ring can run more stably.
Description
Technical Field
The invention relates to the technical field of bearing bush oil blocking, in particular to a bearing bush oil blocking protection device of a steam turbine unit.
Background
The steam turbine is a rotary power machine which converts the energy of steam into mechanical work, is also called as a steam turbine, is mainly used as a prime mover for power generation, can also directly drive various pumps, fans, compressors, ship propellers and the like, and can also meet the heat supply requirements in production and life by utilizing the exhaust steam or intermediate extraction steam of the steam turbine; at present, a steam turbine generator unit or a large and medium-sized rotating machine bearing bush mechanical sealing device at home and abroad usually adopts a sealing mode of matching a movable oil slinger and a static oil slinger, and accidents such as overlarge unit bearing shaft vibration, abnormal sound in a bearing box, tile burning and the like caused by the problems or faults of the oil slingers frequently occur in the running of the steam turbine generator unit of a power generation enterprise.
In the current market, the bearing pad oil deflector can prevent lubricating oil from flowing out of the bearing pad oil deflector, theoretically, the lubricating oil cannot be completely sealed and blocked, and a bearing pad oil deflector capable of conducting flow is urgently needed to increase the oil deflector effect.
Disclosure of Invention
Therefore, the bearing bush oil baffle protection device of the steam turbine unit provided by the invention has the advantages that the leakage-proof mechanism is arranged, so that the lubricating oil in the bearing bush oil baffle ring can be recycled, the lubricating oil can be effectively prevented from flowing out of the bearing bush oil baffle ring, the safety of the bearing bush oil baffle ring is greatly improved, and the bearing bush oil baffle ring can run more stably.
In order to achieve the above purpose, the invention provides the following technical scheme: a bearing bush oil retaining protection device of a steam turbine set comprises a first outer ring, wherein a first fixing hole is formed in one side of the first outer ring, a second outer ring is arranged in the first outer ring, one side of the second outer ring extends to the outside of the first outer ring, first connecting sheets are arranged at two ends of the outer side of the second outer ring, one side of each first connecting sheet is fixedly connected with the first outer ring, the other side of each first connecting sheet is fixedly connected with the second outer ring, a second fixing hole is formed in one side of each first connecting sheet, a second connecting sheet is arranged at the other side of each second connecting sheet, a third outer ring is arranged at the other side of each second connecting sheet, a fourth fixing hole is formed in one side of the third outer ring, a fourth outer ring is arranged in the third outer ring, one side of the fourth outer ring extends to the outside of the third outer ring, and a first inner ring is arranged in the second outer ring, a second inner ring is arranged inside the fourth outer ring, and leakproof mechanisms are arranged between the inner wall of the second outer ring and the inner wall of the fourth outer ring and the outer sides of the first inner ring and the second inner ring;
the leakage-proof mechanism comprises a first fixing ring, one side of the first fixing ring is fixedly connected with a first inner ring, the other side of the first fixing ring is provided with a second fixing ring, one side of the first fixing ring and one side of the second fixing ring are both provided with a first oil through hole, the other side of the second fixing ring is fixedly connected with the first inner ring, the outer side of the second inner ring is provided with a third fixing ring, the third fixing ring is fixedly connected with the second inner ring, one side of the third fixing ring is provided with a fourth fixing ring, the other side of the third fixing ring and one side of the fourth fixing ring are both provided with a second oil through hole, the fourth fixing ring is fixedly connected with the second inner ring, the inner wall of the second outer ring is provided with a first fixing groove, one side of the first fixing groove is provided with a second fixing groove, one side of the second fixing groove is provided with a first oil, a first circulation groove is formed at one side of the first circulation hole, a third oil through hole is formed at one side of the first circulation groove, a third fixing groove is formed in the inner wall of the fourth outer ring, a fourth fixing groove is formed at one side of the third fixing groove, a second oil storage groove is formed at one side of the fourth fixing groove, a second circulation hole is formed at one side of the second oil storage groove, a second circulation groove is formed at one side of the second circulation hole, a fourth oil through hole is formed at one side of the second circulation groove, a first leakage-proof groove is formed at one end of the first fixing groove and one end of the second fixing groove, a second leakage-proof groove is formed at one end of the first oil storage groove, a first leakage-proof pile is arranged at the other end of the first fixing groove and the other end of the second fixing groove, a second leakage-proof pile is arranged at the other end of the first oil storage groove, a third leakage-, the fourth leak protection groove has been seted up to second oil storage tank one end, the third fixed slot other end, the fourth fixed slot other end all are provided with the third leak protection stake, the second oil storage tank other end is provided with the fourth and prevents leaking the stake.
Furthermore, a first sealing groove is formed between the second outer ring and the fourth outer ring, a second sealing groove is formed in the outer side of the first outer ring and the outer side of the third outer ring, a first sealing ring is arranged in the first sealing groove, and a second sealing ring is arranged on the inner wall of the second sealing groove.
Furthermore, the first fixing ring and the second outer ring to which the first fixing groove belongs are meshed, the second fixing ring and the second outer ring to which the second fixing groove belongs are meshed, the third fixing ring and the fourth outer ring to which the third fixing groove belongs are meshed, and the fourth fixing ring and the fourth outer ring to which the fourth fixing groove belongs are meshed.
Furthermore, the first leakage-proof groove and the second outer ring to which the first leakage-proof pile belongs are meshed, the second leakage-proof groove and the second outer ring to which the second leakage-proof pile belongs are meshed, the third leakage-proof groove and the fourth outer ring to which the third leakage-proof pile belongs are meshed, and the fourth leakage-proof groove and the fourth outer ring to which the fourth leakage-proof pile belongs are meshed.
Further, the first sealing ring and the second sealing ring are both made of rubber materials.
Further, the second outer ring inner wall, the fourth outer ring inner wall, the first inner ring circumferential surface and the second inner ring circumferential surface are all provided with wear-resistant layers.
Further, the first connecting piece is bolted to the second connecting piece.
The invention has the following advantages:
1. the leakage-proof mechanism can recycle the lubricating oil in the bearing bush oil retainer ring, and can effectively prevent the lubricating oil from flowing out of the bearing bush oil retainer ring, thereby greatly improving the safety of the bearing bush oil retainer ring and ensuring the bearing bush oil retainer ring to run more stably;
2. through setting up first sealing washer and second sealing washer, can be further prevent that lubricating oil from carrying out the outflow from axle bush oil slinger inside, improved the effect that axle bush oil slinger's prevention lubricating oil flows greatly, further improvement lubricating oil's safe in utilization, with the cleaning work who reduces lubricating oil, greatly reduced staff's work task.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a perspective view of a second outer ring of the present invention;
FIG. 3 is a perspective view of a fourth outer ring according to the present invention;
FIG. 4 is a perspective view of a first inner ring according to the present invention;
FIG. 5 is a perspective view of a second inner ring according to the present invention;
FIG. 6 is a schematic cross-sectional view of a first circulation hole of the present invention;
FIG. 7 is a schematic cross-sectional view of a second circulation hole of the present invention;
in the figure: 1. a first outer ring; 2. a first fixing hole; 3. a second outer ring; 4. a first connecting piece; 6. a second fixing hole; 7. a second connecting sheet; 8. a third fixing hole; 9. a third outer ring; 10. a fourth fixing hole; 11. a fourth outer ring; 12. a first inner ring; 13. a second inner ring; 14. a first retaining ring; 15. a second retaining ring; 16. a first oil passage; 17. a third fixing ring; 18. a fourth retaining ring; 19. a second oil through hole; 20. a first fixing groove; 21. a second fixing groove; 22. a first oil reservoir; 23. a first circulation hole; 24. a first circulation tank; 25. a third oil through hole; 26. a third fixing groove; 27. a fourth fixing groove; 28. a second oil reservoir; 29. a second circulation hole; 30. a second circulation tank; 31. a fourth oil through hole; 32. a first leak-proof groove; 33. a second leak-proof groove; 34. a first leakage prevention pile; 35. a second leakage-proof pile; 36. a third leakage prevention groove; 37. a fourth leak-proof groove; 38. a third leakage prevention pile; 39. a fourth anti-leakage pile; 40. a first seal ring; 41. and a second seal ring.
Detailed Description
Additional advantages and features of the present invention will become readily apparent to those skilled in this art from the following detailed description, wherein it is shown and described that the invention is in part, but not in whole, illustrated and described herein. All others that would be obvious to one of ordinary skill in the art based on the teachings herein, are within the scope of the present invention.
Referring to the attached drawings 1-7 in the specification, a bearing bush oil retaining protection device for a steam turbine set comprises a first outer ring 1, a first fixing hole 2 is formed in one side of the first outer ring 1, a second outer ring 3 is arranged in the first outer ring 1, one side of the second outer ring 3 extends to the outside of the first outer ring 1, first connecting pieces 4 are arranged at two ends of the outside of the second outer ring 3, one side of each first connecting piece 4 is fixedly connected with the first outer ring 1, the other side of each first connecting piece 4 is fixedly connected with the second outer ring 3, a second fixing hole 6 is formed in one side of each first connecting piece 4, a second connecting piece 7 is arranged on the other side of each first connecting piece 4, a third fixing hole 8 is formed in one side of each second connecting piece 7, a third outer ring 9 is arranged on the other side of each third outer ring 9, a fourth outer ring 11 is arranged in the third outer ring 9, and one side of the fourth outer ring 11 extends to the outside of the third outer ring 9, a first inner ring 12 is arranged inside the second outer ring 3, a second inner ring 13 is arranged inside the fourth outer ring 11, and anti-leakage mechanisms are arranged between the inner wall of the second outer ring 3, the inner wall of the fourth outer ring 11, the outer side of the first inner ring 12 and the outer side of the second inner ring 13.
The leakage-proof mechanism comprises a first fixing ring 14, one side of the first fixing ring 14 is fixedly connected with a first inner ring 12, the other side of the first fixing ring 14 is provided with a second fixing ring 15, one side of the first fixing ring 14 and one side of the second fixing ring 15 are both provided with a first oil through hole 16, the other side of the second fixing ring 15 is fixedly connected with the first inner ring 12, the outer side of the second inner ring 13 is provided with a third fixing ring 17, the third fixing ring 17 is fixedly connected with the second inner ring 13, one side of the third fixing ring 17 is provided with a fourth fixing ring 18, the other side of the third fixing ring 17 and one side of the fourth fixing ring 18 are both provided with a second oil through hole 19, the fourth fixing ring 18 is fixedly connected with the second inner ring 13, the inner wall of the second outer ring 3 is provided with a first fixing groove 20, one side of the first fixing groove 20 is provided with a second fixing groove 21, one side of the, a first circulation groove 24 is formed at one side of the first circulation hole 23, a third oil passing hole 25 is formed at one side of the first circulation groove 24, a third fixing groove 26 is formed at the inner wall of the fourth outer ring 11, a fourth fixing groove 27 is formed at one side of the third fixing groove 26, a second oil storage groove 28 is formed at one side of the fourth fixing groove 27, a second circulation hole 29 is formed at one side of the second oil storage groove 28, a second circulation groove 30 is formed at one side of the second circulation hole 29, a fourth oil passing hole 31 is formed at one side of the second circulation groove 30, a first leakage-proof groove 32 is formed at one end of the first fixing groove 20 and one end of the second fixing groove 21, a second leakage-proof groove 33 is formed at one end of the first oil storage groove 22, a first leakage-proof pile 34 is formed at the other end of the first fixing groove 20 and the other end of the second fixing groove 21, a second leakage-proof pile 35 is formed at the other end of the, a fourth leakage-proof groove 37 is formed in one end of the second oil storage groove 28, third leakage-proof piles 38 are arranged at the other end of the third fixing groove 26 and the other end of the fourth fixing groove 27, and a fourth leakage-proof pile 39 is arranged at the other end of the second oil storage groove 28.
The using process of the invention is as follows: when the turboset works, lubricating oil is added into the bearing oil baffle, the lubricating oil enters the first oil storage groove 22 and the second oil storage groove 28 under the high-speed rotation of the turboset, the lubricating oil reaches the first circulation groove 30 and the second circulation groove 30 through the first circulation hole 23 and the second circulation hole 29 under the action of centrifugal force, enters the third oil passing hole 25 and the fourth oil passing hole 31 to reach the first fixing ring 14, the third fixing ring 17, the first fixing groove 20 and the third fixing groove 26, the lubricating oil reaches the second fixing ring 15, the fourth fixing ring 18, the second fixing groove 21 and the fourth fixing groove 27 through the first oil passing hole 16 and the second oil passing hole 19, and then returns to the first oil storage groove 22 and the second oil storage groove 28, and the first leakage-proof pile 34, the second leakage-proof pile 35, the third leakage-proof pile 38 and the fourth leakage-proof pile 39 are arranged when the lubricating oil reaches the first connecting piece 4 and the second connecting piece 7, the lubricant is prevented from being left between the second outer ring 3 and the fourth outer ring 11.
As shown in fig. 1-3, a first seal groove is disposed between the second outer ring 3 and the fourth outer ring 11, a second seal groove is disposed between the outer side of the first outer ring 1 and the outer side of the third outer ring 9, a first seal ring 40 is disposed in the first seal groove, and a second seal ring 41 is disposed on the inner wall of the second seal groove to prevent oil from leaking between the second outer ring 3 and the fourth outer ring 11.
As shown in fig. 2 to 5, the first fixed ring 14 and the second outer ring 3 to which the first fixed groove 20 belongs are engaged with each other, the second fixed ring 15 and the second outer ring 3 to which the second fixed groove 21 belongs are engaged with each other, the third fixed ring 17 and the fourth outer ring 11 to which the third fixed groove 26 belongs are engaged with each other, and the fourth fixed ring 18 and the fourth outer ring 11 to which the fourth fixed groove 27 belongs are engaged with each other, so that the bearing bush and the slinger can operate more stably.
As shown in fig. 2 to 5, the second outer ring 3 to which the first leakage preventing groove 32 and the first leakage preventing pile 34 belong is engaged, the second outer ring 3 to which the second leakage preventing groove 33 and the second leakage preventing pile 35 belong is engaged, the fourth outer ring 11 to which the third leakage preventing groove 36 and the third leakage preventing pile 38 belong is engaged, and the fourth outer ring 11 to which the fourth leakage preventing groove 37 and the fourth leakage preventing pile 39 belong is engaged, in order to prevent oil leakage.
As shown in fig. 1-3, the first sealing ring 40 and the second sealing ring 41 are made of rubber material to increase the air tightness of the device.
As shown in fig. 2 to 5, the inner wall of the second outer ring 3, the inner wall of the fourth outer ring 11, the peripheral surface of the first inner ring 12, and the peripheral surface of the second inner ring 13 are all provided with wear-resistant layers so as to prolong the service life of the second outer ring 3, the fourth outer ring 11, the first inner ring 12, and the second inner ring 13.
As shown in fig. 2-3, the first connecting piece 4 is bolted to the second connecting piece 7 in order to fixedly connect the second outer ring 3 to the fourth outer ring 11.
The using process of the invention is as follows: when lubrication is left between the second outer ring 3 and the fourth outer ring 11, the first seal ring 40 prevents the lubrication oil from flowing out further.
In summary, when the lubricating oil runs at a high speed in the steam turbine set, the lubricating oil enters the first oil storage groove 22 and the second oil storage groove 28 under the action of centrifugal force, and then returns to the bearing bush again through the first circulation hole 23 and the second circulation hole 29 for use, the first leakage-proof pile 34, the second leakage-proof pile 35, the third leakage-proof pile 38 and the fourth leakage-proof pile 39 are arranged under the action of centrifugal force, the first leakage-proof groove 32, the second leakage-proof groove 33, the third leakage-proof groove 36 and the fourth leakage-proof groove 37 are arranged, so that the lubricating oil can be ensured to be recycled inside the bearing bush, and the lubricating oil can be effectively prevented from flowing out from between the second outer ring 3 and the fourth outer ring 11 by the material characteristics of the first sealing ring 40 and the second sealing ring 41.
Although the invention has been described in detail with respect to a general description and specific examples, it will be apparent to those skilled in the art that certain changes and modifications may be made without departing from the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
Claims (7)
1. The utility model provides a steam turbine unit axle bush keeps off oil protection device, includes first outer ring (1), its characterized in that: a first fixing hole (2) is formed in one side of the first outer ring (1), a second outer ring (3) is arranged in the first outer ring (1), one side of the second outer ring (3) extends to the outside of the first outer ring (1), first connecting sheets (4) are arranged at two ends of the outer side of the second outer ring (3), one side of each first connecting sheet (4) is fixedly connected with the first outer ring (1), the other side of each first connecting sheet (4) is fixedly connected with the second outer ring (3), a second fixing hole (6) is formed in one side of each first connecting sheet (4), a second connecting sheet (7) is arranged on the other side of each first connecting sheet (4), a third fixing hole (8) is formed in one side of each second connecting sheet (7), a third outer ring (9) is arranged on the other side of each second connecting sheet (7), a fourth fixing hole (10) is formed in one side of each third outer ring (9), a fourth outer ring (11) is arranged in the third outer ring (9), one side of the fourth outer ring (11) extends to the outside of the third outer ring (9), a first inner ring (12) is arranged in the second outer ring (3), a second inner ring (13) is arranged in the fourth outer ring (11), and leakage-proof mechanisms are arranged between the inner wall of the second outer ring (3), the inner wall of the fourth outer ring (11), the outer side of the first inner ring (12) and the outer side of the second inner ring (13);
the leakage-proof mechanism comprises a first fixing ring (14), one side of the first fixing ring (14) is fixedly connected with a first inner ring (12), the other side of the first fixing ring (14) is provided with a second fixing ring (15), one side of the first fixing ring (14) and one side of the second fixing ring (15) are respectively provided with a first oil through hole (16), the other side of the second fixing ring (15) is fixedly connected with the first inner ring (12), the outer side of the second inner ring (13) is provided with a third fixing ring (17), the third fixing ring (17) is fixedly connected with the second inner ring (13), one side of the third fixing ring (17) is provided with a fourth fixing ring (18), the other side of the third fixing ring (17) and one side of the fourth fixing ring (18) are respectively provided with a second oil through hole (19), and the fourth fixing ring (18) is fixedly connected with the second inner ring (13), a first fixing groove (20) is formed in the inner wall of the second outer ring (3), a second fixing groove (21) is formed in one side of the first fixing groove (20), a first oil storage groove (22) is formed in one side of the second fixing groove (21), a first circulation hole (23) is formed in one side of the first oil storage groove (22), a first circulation groove (24) is formed in one side of the first circulation hole (23), a third oil hole (25) is formed in one side of the first circulation groove (24), a third fixing groove (26) is formed in the inner wall of the fourth outer ring (11), a fourth fixing groove (27) is formed in one side of the third fixing groove (26), a second oil storage groove (28) is formed in one side of the fourth fixing groove (27), a second circulation hole (29) is formed in one side of the second oil storage groove (28), a second circulation groove (30) is formed in one side of the second circulation hole (29), a fourth oil through hole (31) is formed at one side of the second circulation groove (30), a first leakage-proof groove (32) is formed at one end of the first fixing groove (20) and one end of the second fixing groove (21), one end of the first oil storage tank (22) is provided with a second leakage-proof tank (33), the other end of the first fixing groove (20) and the other end of the second fixing groove (21) are both provided with a first leakage-proof pile (34), the other end of the first oil storage tank (22) is provided with a second leakage-proof pile (35), one end of the third fixing groove (26) and one end of the fourth fixing groove (27) are both provided with a third leakage prevention groove (36), a fourth anti-leakage groove (37) is formed in one end of the second oil storage groove (28), third anti-leakage piles (38) are arranged at the other end of the third fixing groove (26) and the other end of the fourth fixing groove (27), and a fourth leakage-proof pile (39) is arranged at the other end of the second oil storage tank (28).
2. The bearing pad oil protection device of a steam turbine unit according to claim 1, wherein: a first sealing groove is formed between the second outer ring (3) and the fourth outer ring (11), a second sealing groove is formed in the outer side of the first outer ring (1) and the outer side of the third outer ring (9), a first sealing ring (40) is arranged in the first sealing groove, and a second sealing ring (41) is arranged on the inner wall of the second sealing groove.
3. The bearing pad oil protection device of a steam turbine unit according to claim 1, wherein: the second outer rings (3) of the first fixing ring (14) and the first fixing groove (20) are meshed, the second outer rings (3) of the second fixing ring (15) and the second fixing groove (21) are meshed, the fourth outer rings (11) of the third fixing ring (17) and the third fixing groove (26) are meshed, and the fourth outer rings (11) of the fourth fixing ring (18) and the fourth fixing groove (27) are meshed.
4. The bearing pad oil protection device of a steam turbine unit according to claim 1, wherein: the second outer ring (3) to which the first leakage-proof groove (32) and the first leakage-proof pile (34) belong is meshed, the second outer ring (3) to which the second leakage-proof groove (33) and the second leakage-proof pile (35) belong is meshed, the fourth outer ring (11) to which the third leakage-proof groove (36) and the third leakage-proof pile (38) belong is meshed, and the fourth outer ring (11) to which the fourth leakage-proof groove (37) and the fourth leakage-proof pile (39) belong is meshed.
5. The bearing pad oil protection device of a steam turbine unit according to claim 2, wherein: the first sealing ring (40) and the second sealing ring (41) are both made of rubber materials.
6. The bearing pad oil protection device of a steam turbine unit according to claim 1, wherein: and the inner wall of the second outer ring (3), the inner wall of the fourth outer ring (11), the peripheral surface of the first inner ring (12) and the peripheral surface of the second inner ring (13) are all provided with wear-resistant layers.
7. The bearing pad oil protection device of a steam turbine unit according to claim 1, wherein: the first connecting piece (4) is connected with the second connecting piece (7) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532986.9A CN112576754A (en) | 2020-12-22 | 2020-12-22 | Oil retaining protection device for bearing bush of steam turbine unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532986.9A CN112576754A (en) | 2020-12-22 | 2020-12-22 | Oil retaining protection device for bearing bush of steam turbine unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112576754A true CN112576754A (en) | 2021-03-30 |
Family
ID=75139397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011532986.9A Pending CN112576754A (en) | 2020-12-22 | 2020-12-22 | Oil retaining protection device for bearing bush of steam turbine unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112576754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816718A (en) * | 2023-05-19 | 2023-09-29 | 华能国际电力股份有限公司上海石洞口第二电厂 | Transmission shaft oil baffle device |
-
2020
- 2020-12-22 CN CN202011532986.9A patent/CN112576754A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816718A (en) * | 2023-05-19 | 2023-09-29 | 华能国际电力股份有限公司上海石洞口第二电厂 | Transmission shaft oil baffle device |
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