CN212225794U - Tilting pad bearing oil lubrication structure - Google Patents
Tilting pad bearing oil lubrication structure Download PDFInfo
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- CN212225794U CN212225794U CN201922451438.2U CN201922451438U CN212225794U CN 212225794 U CN212225794 U CN 212225794U CN 201922451438 U CN201922451438 U CN 201922451438U CN 212225794 U CN212225794 U CN 212225794U
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Abstract
The utility model belongs to the technical field of the bearing is lubricated, concretely relates to tilting pad bearing oil lubrication structure, establish in horizontal pivot and along with the synchronous pivoted bearing of pivot including the cover, the outside of bearing is equipped with lubricating arrangement, and the lower half submergence of bearing is below the lubricating oil liquid level of oil bath, and when the bearing rotates along with the pivot, takes the lubricating oil to lubricating arrangement in, lubricating arrangement is with on the tilting pad piece of lubricating oil drainage to the bearing both ends face. When the bearing rotates along with the rotating shaft, the bearing brings lubricating oil in the oil pool to the lubricating device, the lubricating device guides the lubricating oil to the tilting pads on the two end faces of the bearing, a good lubricating effect is achieved, meanwhile, after the lubricating oil is lubricated and finished on the tilting pads, the lubricating oil drips in the oil pool again, a self-lubricating loop circulation effect is achieved, and the self-lubricating oil-dripping device is simple in structure, convenient to disassemble and assemble and good in stability.
Description
Technical Field
The utility model belongs to the technical field of the bearing is lubricated, concretely relates to tilting pad bearing oil lubrication structure.
Background
The tilting pad sliding bearing is a hydrodynamic bearing and consists of a plurality of independent tilting pads capable of swinging around a point. When the tilting pad sliding bearing works, an oil wedge is formed between the pad surface and the journal surface by means of the hydrodynamic pressure of a lubricating oil film, so that the two surfaces are completely separated from contact. In current practical application, adopt modes such as additionally setting up pump machine usually, lubricate on pumping lubricating oil to tilting pad bearing, this kind of mode that sets up tilting pad sliding bearing oil distribution station alone, not only area is big to the structure is complicated, and is expensive, has also increased the maintenance cost simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tilting pad bearing oil lubrication structure utilizes the rotation of bearing to take the lubricating oil to lubricating arrangement in, lubricating arrangement has played good lubricated effect with lubricating oil drainage to the tilting pad piece of bearing both ends face.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a tilting pad bearing oil lubrication structure, establishes in horizontal pivot and along with the synchronous pivoted bearing of pivot including the cover, the outside of bearing is equipped with lubricating arrangement, and the lower half submergence of bearing is below the lubricating oil liquid level of oil bath, and when the bearing rotated along with the pivot, in taking lubricating oil to lubricating arrangement, lubricating arrangement was on the tilting pad piece with lubricating oil drainage to bearing both ends face.
Preferably, lubricating arrangement establishes the lubricating oil dish and both for relative rotation on the bearing including vertical cover, and the last drainage unit that is equipped with of lubricating oil dish is used for drainage lubricating oil.
Preferably, the drainage unit is provided with two groups of lubricating oil which are arranged on two sides of the upper half part of the circular lubricating oil disc, and the lubricating oil in the drainage unit falls onto the tilting pad under the action of self gravity.
Preferably, the drainage unit comprises a drainage cavity close to the inner ring of the lubricating oil disc, and the bottom of the drainage cavity is provided with a liquid inlet communicated with the inner ring of the lubricating oil disc; the drainage cavity is also provided with a drainage slotted hole, and the direction of the hole opening is horizontal.
Preferably, the drainage cavity is arranged in the ring body of the lubricating oil disc and is arranged along the inner ring of the lubricating oil disc, the liquid inlet is formed in the inner ring wall of the lubricating oil disc, the drainage groove hole is formed in the end face of the lubricating oil disc, and the hole length direction is arranged in an extending mode along the arc direction of the lubricating oil disc.
Preferably, the upper part of the drainage cavity is also provided with a liquid outlet communicated with the lubricating oil disc ring.
Preferably, an oil collecting groove is formed in the ring body at the bottom of the lubricating oil disc, and oil return holes are formed in two sides of the oil collecting groove and communicated with the oil pool; the top of the oil collecting groove is provided with a first through hole and a second through hole which are communicated with the lubricating oil disc ring, and the two through holes are respectively arranged on two sides of the top of the oil collecting groove.
Preferably, the inner wall of the lubricating oil disc is in a groove shape sunken towards the ring body, and is connected with the liquid inlet, the liquid outlet, the first through hole and the second through hole.
Preferably, the radial ring body of the lubricating oil disc adopts a hollow structure.
Preferably, the outer circumference of the bearing is provided with a plurality of counter bores for carrying lubricating oil, and the counter bores are uniformly distributed on the outer circumference of the bearing.
The beneficial effects of the utility model reside in that:
1) when the bearing rotates along with the rotating shaft, the bearing brings lubricating oil in the oil pool to the lubricating device, the lubricating device conducts the lubricating oil to the tilting pads on the two end faces of the bearing, a good lubricating effect is achieved, meanwhile, after the lubricating oil is lubricated and completed on the tilting pads, the lubricating oil drips in the oil pool again, a self-lubricating loop circulation effect is achieved, and the bearing is simple in structure, convenient to disassemble and assemble and good in stability.
2) When the bearing rotates along with the rotating shaft, the lubricating oil in the oil pool is brought to the inner ring wall of the lubricating oil disc by the shaft body, when the bearing rotates at a high speed, the lubricating oil on the inner ring wall of the lubricating oil disc upwards stretches along the wall surface under the action of inertia, flows into the drainage cavity from the liquid inlet of the drainage cavity, flows out of the drainage groove holes in the end surfaces of the two sides of the lubricating oil in the drainage cavity, and plays a good self-lubricating purpose when falling onto the tilting pad under the action of gravity.
3) Lubricating oil flows out from the liquid outlet, flows into on the axle body of bearing, and on the bearing got rid of lubricating oil to the inner wall of lubricating oil dish again, lubricating oil stretchs to another drainage chamber along the inner wall of lubricating oil dish, and lubricating oil flows out from this moment in the drainage slotted hole in drainage chamber, lubricates tilting pad, guarantees lubricated effect.
4) The oil collecting groove is used for collecting the lubricating oil flowing down from the wall of the inner ring of the lubricating oil disc, the lubricating oil upwards stretches along the inner wall of the lubricating oil disc, and when the inertia of the lubricating oil is insufficient, the lubricating oil downwards flows along the inner wall of the lubricating oil disc and flows back to the oil collecting groove from the first through hole and the second through hole of the oil collecting groove, and then the lubricating oil in the oil collecting groove flows back to the oil pool through the oil return hole, so that waste is avoided.
5) The arrangement of the counter bores ensures the capability of carrying lubricating oil when the bearing rotates, increases the extraction amount of the lubricating oil and ensures that the lubricating oil in the structure is sufficiently supplied.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a lubricating oil pan;
FIG. 3 is a schematic cross-sectional view of the lubricating oil pan B-B in FIG. 2;
fig. 4 is a schematic cross-sectional view of the lubricating oil pan C-C in fig. 2;
FIG. 5 is a schematic cross-sectional view of the lubricant pan D-D of FIG. 2;
fig. 6 is a schematic cross-sectional view of the oil pan E-E of fig. 2.
Detailed Description
For the purpose of facilitating understanding, the present invention will be described in detail below with reference to the accompanying drawings.
The utility model provides a tilting pad bearing oil lubrication structure, is established on horizontal pivot 10 and along with pivot 10 synchronous rotation's bearing 20 including the cover, the outside of bearing 20 is equipped with lubricating arrangement, and the lower half submergence of bearing 20 is below the lubricating oil liquid level of oil bath 40, and when bearing 20 rotated along with pivot 10, the lubricating oil was taken to lubricating arrangement, and lubricating arrangement is on the tilting pad piece 21 on with lubricating oil drainage to bearing 20 both ends face. When the bearing 20 rotates along with the rotating shaft 10, the bearing 20 brings the lubricating oil in the oil pool 40 into the lubricating device, the lubricating device guides the lubricating oil to the tilting pads 21 on the two end faces of the bearing 20, a good lubricating effect is achieved, meanwhile, after the lubricating oil is lubricated on the tilting pads 21, the lubricating oil drips in the oil pool 40 again, a self-lubricating loop circulation effect is achieved, and the self-lubricating oil circulation device is simple in structure, convenient to disassemble and assemble and good in stability.
The lubricating device comprises a lubricating oil disc 30 vertically sleeved on the bearing 20 and the lubricating oil disc 30 and the lubricating oil disc rotate relatively, and a drainage unit used for draining lubricating oil is arranged on the lubricating oil disc 30.
The drainage unit is provided with two groups of lubricating oil which are arranged on two sides of the upper half part of the circular lubricating oil disc 30, so that the lubrication is more uniform, and the lubricating oil in the drainage unit falls onto the tilting pad 21 under the action of self gravity. The lubricating oil disc 30 is sleeved on the bearing 20, a gap exists between the inner wall of the lubricating oil disc 30 and the outer ring of the bearing 20, meanwhile, the lubricating oil disc 30 is static relative to the bearing 20, when the bearing 20 rotates, lubricating oil is brought into the lubricating oil disc 30, lubricating oil in the drainage units on the two sides of the upper half portion of the lubricating oil disc 30 falls onto the tilting pad 21 under the action of self gravity, power does not need to be provided from the outside, and therefore self-lubrication is achieved.
As shown in fig. 1, 2 and 5, the drainage unit comprises a drainage cavity 50 adjacent to the inner ring of the lubricating oil disc 30, and the bottom of the drainage cavity 50 is provided with a liquid inlet 51 communicated with the inner ring of the lubricating oil disc 30; drainage cavity 50 is also provided with drainage slots 52 with the openings pointing horizontally.
The drainage cavity 50 is arranged in the ring body of the lubricating oil disc 30 and is arranged along the inner ring of the lubricating oil disc 30, the liquid inlet 51 is formed in the inner ring wall of the lubricating oil disc 30, the drainage groove hole 52 is formed in the end face of the lubricating oil disc 30, and the hole length direction extends along the arc direction of the lubricating oil disc 30. When the bearing 20 rotates along with the rotating shaft 10, the shaft body of the bearing brings the lubricating oil in the oil pool 40 to the inner annular wall of the lubricating oil disc 30, when the bearing 20 rotates at a high speed, the lubricating oil on the inner annular wall of the lubricating oil disc 30 spreads upwards along the wall surface under the action of inertia, flows into the drainage cavity 50 from the liquid inlet 51 of the drainage cavity 50, flows out from the drainage groove holes 52 on the end surfaces of two sides of the lubricating oil in the drainage cavity 50, and falls onto the tilting pad 21 under the action of gravity, so that the purpose of good self-lubrication is achieved.
The upper part of the drainage cavity 50 is also provided with a liquid outlet 53 communicated with the lubricating oil disc 30. In order to avoid that the drainage cavity 50 extrudes excessive lubricating oil to cause the lubricating oil to be sprayed out of the drainage groove hole 52 in a lasing manner, the upper part of the drainage cavity 50 is also provided with a liquid outlet 53 communicated with the lubricating oil disc 30, when the lubricating oil in the drainage cavity 50 is excessive, the lubricating oil flows out of the liquid outlet 53 and flows onto the shaft body of the bearing 20, the bearing 20 throws the lubricating oil onto the inner wall of the lubricating oil disc 30 again, the lubricating oil spreads to another drainage cavity 50 along the inner wall of the lubricating oil disc 30, and at the moment, the lubricating oil flows out of the drainage groove hole 52 of the drainage cavity 50 to lubricate the tilting pad 21, so that the lubricating effect is ensured; in addition, a top oil baffle rib plate 33 is arranged on the lubricating oil disc 30 between the two drainage cavities 50, and the lubricating oil at the splashing position is separated by the top oil baffle rib plate 33 and returns to the oil pool 40, so that splashing is avoided.
An oil collecting groove 32 is formed in the ring body at the bottom of the lubricating oil disc 30, and oil return holes 321 are formed in two sides of the oil collecting groove 32 and communicated with the oil pool 40; the top of the oil collecting groove 32 is provided with a first through hole 322 and a second through hole 323 which are communicated with the lubricating oil disc 30 in a ring, and the two through holes are respectively arranged at two sides of the top of the oil collecting groove 32. The oil collecting groove 32 is used for collecting the lubricating oil flowing down from the inner ring wall of the lubricating oil tray 30, the lubricating oil spreads upwards along the inner wall of the lubricating oil tray 30, and when the inertia of the lubricating oil is insufficient, the lubricating oil flows downwards along the inner wall of the lubricating oil tray 30 and flows back to the oil collecting groove 32 from the first through hole 322 and the second through hole 323 of the oil collecting groove 32, and then the lubricating oil in the oil collecting groove 32 flows back to the oil pool 40 through the oil return hole 321, so that waste is avoided.
In order to further guarantee that lubricating oil flows along lubricating-oil disc 30's inner wall, lubricating-oil disc 30's inner wall is to the sunken recess form of body of ring, and all is connected with income liquid mouth 51, liquid outlet 53, first through-hole 322, second through-hole 323, and lubricating-oil disc 30 recess form's inner wall carries out the water conservancy diversion to lubricating oil spacing, and then guarantees the lubricated effect of this structure.
The radial ring body of the lubricating oil disc 30 adopts a hollow structure, so that the dead weight of the structure is reduced, namely the weight of the whole tilting pad bearing is reduced.
The bearing 20 is provided with a plurality of counter bores 22 for carrying lubricating oil on the outer circumference, the counter bores 22 are arranged on the outer circumference of the bearing 20 and are uniformly distributed on the outer circumference of the bearing 20, and meanwhile, the counter bores 22 rotate to pass through the oil collecting groove 32, so that the lubricating oil in the oil collecting groove 32 can be taken out. The arrangement of the counter bore 22 ensures the capability of carrying lubricating oil when the bearing 20 rotates, increases the extraction amount of the lubricating oil, and ensures that the lubricating oil in the structure is sufficiently supplied.
Claims (10)
1. The utility model provides a tilting pad bearing oil lubrication structure, establishes on horizontal pivot (10) and along with pivot (10) synchronous rotating's bearing (20) including the cover, its characterized in that: and a lubricating device is arranged outside the bearing (20), the lower half part of the bearing (20) is immersed below the lubricating oil level of the oil pool (40), the lubricating oil is brought into the lubricating device when the bearing (20) rotates along with the rotating shaft (10), and the lubricating device guides the lubricating oil to the tilting pads (21) on the two end surfaces of the bearing (20).
2. A tilting pad bearing oil lubrication structure according to claim 1, wherein: lubricating arrangement establishes lubricating-oil disc (30) and both for relative rotation on bearing (20) including vertical cover, is equipped with the drainage unit on lubricating-oil disc (30) and is used for drainage lubricating oil.
3. A tilting pad bearing oil lubrication structure according to claim 2, wherein: the drainage unit is provided with two groups of lubricating oil which are arranged on two sides of the upper half part of the circular lubricating oil disc (30), and the lubricating oil in the drainage unit falls onto the tilting pad (21) under the action of self gravity.
4. A tilting pad bearing oil lubrication structure according to claim 3 wherein: the drainage unit comprises a drainage cavity (50) close to the inner ring of the lubricating oil disc (30), and the bottom of the drainage cavity (50) is provided with a liquid inlet (51) communicated with the lubricating oil disc (30) in the ring; the drainage cavity (50) is also provided with a drainage slotted hole (52) and the orifice points to the horizontal direction.
5. The tilting pad bearing oil lubrication structure according to claim 4, wherein: drainage chamber (50) are arranged in the ring body of lubricating oil dish (30), and are arranged along the inner ring of lubricating oil dish (30), and income liquid mouth (51) are seted up on lubricating oil dish (30) inner ring wall, and drainage slotted hole (52) are seted up on the terminal surface of lubricating oil dish (30) and the hole length direction is arranged along lubricating oil dish (30) arc to extending.
6. A tilting pad bearing oil lubrication structure according to claim 4 or 5 wherein: the upper part of the drainage cavity (50) is also provided with a liquid outlet (53) communicated with the lubricating oil disc (30) in a ring.
7. The tilting pad bearing oil lubrication structure according to claim 6, wherein: an oil collecting groove (32) is formed in the ring body at the bottom of the lubricating oil disc (30), and oil return holes (321) are formed in two sides of the oil collecting groove (32) and communicated with the oil pool (40); the top of the oil collecting groove (32) is provided with a first through hole (322) and a second through hole (323) which are communicated with the lubricating oil disc (30) in a ring, and the two through holes are respectively arranged at two sides of the top of the oil collecting groove (32).
8. The tilting pad bearing oil lubrication structure according to claim 7, wherein: the inner wall of the lubricating oil disc (30) is in a groove shape which is concave towards the ring body, and is connected with the liquid inlet (51), the liquid outlet (53), the first through hole (322) and the second through hole (323).
9. A tilting pad bearing oil lubrication structure according to claim 3 wherein: the radial ring body of the lubricating oil disc (30) adopts a hollow structure.
10. A tilting pad bearing oil lubrication structure according to claim 1, wherein: the outer circumference of the bearing (20) is provided with a counter bore (22) for carrying lubricating oil, and the counter bores (22) are arranged in a plurality and are uniformly distributed on the outer circumference of the bearing (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451438.2U CN212225794U (en) | 2019-12-30 | 2019-12-30 | Tilting pad bearing oil lubrication structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451438.2U CN212225794U (en) | 2019-12-30 | 2019-12-30 | Tilting pad bearing oil lubrication structure |
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| Publication Number | Publication Date |
|---|---|
| CN212225794U true CN212225794U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922451438.2U Active CN212225794U (en) | 2019-12-30 | 2019-12-30 | Tilting pad bearing oil lubrication structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120515A (en) * | 2019-12-30 | 2020-05-08 | 合肥华升泵阀股份有限公司 | Tilting pad bearing oil lubrication structure |
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2019
- 2019-12-30 CN CN201922451438.2U patent/CN212225794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120515A (en) * | 2019-12-30 | 2020-05-08 | 合肥华升泵阀股份有限公司 | Tilting pad bearing oil lubrication structure |
| CN111120515B (en) * | 2019-12-30 | 2024-06-11 | 合肥华升泵阀股份有限公司 | Tilting pad bearing oil lubrication structure |
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