CN214466069U - Oil retaining protection device for bearing bush of steam turbine unit - Google Patents

Abstract

The utility model discloses a turboset axle bush keeps off oily protection device belongs to axle bush fender oil technical field, including first outer loop, first fixed orifices has been seted up to first outer loop one side, the inside second outer loop that is provided with of first outer loop, second outer loop one side extends to first outer loop outside, and second outer loop outside both ends all are provided with first connection piece, first connection piece one side and first outer loop fixed connection, first connection piece opposite side and second outer loop fixed connection, the second fixed orifices has been seted up to first connection piece one side, first connection piece opposite side is provided with the second connection piece, the third fixed orifices has been seted up to second connection piece one side. The utility model discloses a set up leak protection mechanism, can make the intra-annular lubricating oil of axle bush oil baffle can recycle, can effectually prevent moreover that lubricating oil from flowing in the axle bush oil baffle ring, improved the security of axle bush oil baffle ring greatly, make the more stable of axle bush oil baffle ring operation.

Description

Oil retaining protection device for bearing bush of steam turbine unit

Technical Field

The utility model relates to an axle bush keeps off oily technical field, concretely relates to turbine unit axle bush keeps off oily protection device.

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.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a turboset axle bush oil baffle protection device through setting up leak protection mechanism, can make the intra-annular lubricating oil of axle bush oil baffle can recycle, can effectually prevent moreover that lubricating oil from flowing out in the axle bush oil baffle ring, has improved the security of axle bush oil baffle ring greatly, makes the more stable of axle bush oil baffle ring operation.

In order to achieve the above object, the present invention provides the following technical solutions: 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 storage groove, and one side of the first oil storage groove is provided with a first circulation hole, 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-proof groove is formed at one end of the third fixing groove and one end of the fourth fixing groove, 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.

Further, the first fixing ring is meshed with a second outer ring to which the first fixing groove belongs, the second fixing ring is meshed with a second outer ring to which the second fixing groove belongs, the third fixing ring is meshed with a fourth outer ring to which the third fixing groove belongs, and the fourth fixing ring is meshed with a fourth outer ring to which the fourth fixing groove belongs.

Further, the first leakage-proof groove is meshed with a second outer ring to which the first leakage-proof pile belongs, the second leakage-proof groove is meshed with a second outer ring to which the second leakage-proof pile belongs, the third leakage-proof groove is meshed with a fourth outer ring to which the third leakage-proof pile belongs, and the fourth leakage-proof groove is meshed with a fourth outer ring to which the fourth leakage-proof pile belongs.

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 utility model has the advantages of as follows:

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 structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic perspective view of a second outer ring of the present invention;

fig. 3 is a schematic perspective view of a fourth outer ring of the present invention;

fig. 4 is a schematic view of a first inner ring of the present invention;

fig. 5 is a schematic view of a second inner ring of 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; 5. 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

Other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses certain embodiments of the invention, and it is intended that all such features, aspects and advantages of the invention be considered as including, but not limited to, the specific embodiments disclosed herein. Based on the utility model provides a, all other that ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of the utility model protection.

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 sheets 4 are arranged at two ends of the outside 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 5 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 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 second fixing groove 21 is provided with a first oil storage groove 22, one side of the first oil storage groove 22 is provided with a first circulation hole 23, 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 first oil storage groove 22, a third leakage-proof groove 36 is formed at one end of the third fixing groove 26 and one end of the fourth fixing groove 27, 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 utility model discloses a use 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 fixing ring 14 is engaged with the second outer ring 3 to which the first fixing groove 20 belongs, the second fixing ring 15 is engaged with the second outer ring 3 to which the second fixing groove 21 belongs, the third fixing ring 17 is engaged with the fourth outer ring 11 to which the third fixing groove 26 belongs, and the fourth fixing ring 18 is engaged with the fourth outer ring 11 to which the fourth fixing groove 27 belongs, in order to more stably operate the bearing bush and the slinger.

As shown in fig. 2 to 5, the first leakage preventing groove 32 is engaged with the second outer ring 3 to which the first leakage preventing piles 34 belong, the second leakage preventing groove 33 is engaged with the second outer ring 3 to which the second leakage preventing piles 35 belong, the third leakage preventing groove 36 is engaged with the fourth outer ring 11 to which the third leakage preventing piles 38 belong, and the fourth leakage preventing groove 37 is engaged with the fourth outer ring 11 to which the fourth leakage preventing piles 39 belong, 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 utility model discloses a use 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 the general description and the specific embodiments, it will be apparent to those skilled in the art that certain modifications and improvements may be made to the invention. Therefore, 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 the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention 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 (5) 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 first fixing ring (14) is meshed with a second outer ring (3) to which the first fixing groove (20) belongs, the second fixing ring (15) is meshed with a second outer ring (3) to which the second fixing groove (21) belongs, the third fixing ring (17) is meshed with a fourth outer ring (11) to which the third fixing groove (26) belongs, and the fourth fixing ring (18) is meshed with a fourth outer ring (11) to which the fourth fixing groove (27) belongs.

4. The bearing pad oil protection device of a steam turbine unit according to claim 1, wherein: the first leakage-proof groove (32) is meshed with a second outer ring (3) to which the first leakage-proof pile (34) belongs, the second leakage-proof groove (33) is meshed with a second outer ring (3) to which the second leakage-proof pile (35) belongs, the third leakage-proof groove (36) is meshed with a fourth outer ring (11) to which the third leakage-proof pile (38) belongs, and the fourth leakage-proof groove (37) is meshed with the fourth outer ring (11) to which the fourth leakage-proof pile (39) belongs.

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.

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