CN219888511U - Double-layer ring lower lubrication structure - Google Patents
Double-layer ring lower lubrication structure Download PDFInfo
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- CN219888511U CN219888511U CN202320181260.8U CN202320181260U CN219888511U CN 219888511 U CN219888511 U CN 219888511U CN 202320181260 U CN202320181260 U CN 202320181260U CN 219888511 U CN219888511 U CN 219888511U
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- Prior art keywords
- ring
- main shaft
- annular
- outer sleeve
- sealing
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- 238000005461 lubrication Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 37
- 230000001050 lubricating effect Effects 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a double-layer ring lower lubrication structure, in particular to the technical field of double-layer ring lower lubrication, which comprises a main shaft and a jacket sleeved on the outer side of the main shaft, wherein an under-ring spraying inlet is formed in the inner wall surface of one side of the jacket, an oil ring I and an oil ring II are embedded in the jacket, and a sealing assembly is arranged between one side of the jacket, which is far away from the under-ring spraying inlet, and the outer wall of the main shaft and used for improving the tightness between the jacket and the main shaft. According to the utility model, the first oil ring and the second oil ring play a double-layer lubrication role, so that the lubrication effect on the main shaft is improved, the sealing ring is used for sealing between the outer sleeve and the main shaft, oil leakage between the outer sleeve and the main shaft is avoided, after the device is used for a long time, a worker can adjust the position of the second annular plate, and the second annular plate drives the first annular plate to move to squeeze the sealing ring, so that the sealing ring is tightly attached to the sealing groove, the sealing performance is improved, and the sealing performance is prevented from being reduced after the sealing ring is worn after being used for a long time.
Description
Technical Field
The utility model relates to the technical field of double-layer ring lubrication, in particular to a double-layer ring lubrication structure.
Background
When the rotor system in the large-scale high-speed aviation tester rotates, the rolling bearing is mainly used as a supporting piece, and the abnormal failure of the rolling bearing directly affects the stable operation of the tester. The lubricating mode of the ring lubrication as a high-speed working mode of the rolling bearing has the advantages of high oil inlet efficiency, capability of changing flow along with the centrifugal force of the rotor and the like.
The utility model discloses a double-layer ring lower lubricating structure of a high-speed aviation bearing tester with the publication number of CN205895926U, which comprises a main shaft, an outer sleeve, a first layer of oil ring, a second layer of oil ring and a bearing inner sleeve, wherein the first layer of oil ring is sleeved on the main shaft, the outer sleeve is sleeved on the first layer of oil ring, the second layer of oil ring is arranged in an inner cavity of the outer sleeve, the bearing inner sleeve is sleeved on the outer side wall of the outer sleeve, an annular lower spraying inlet is arranged between the inner wall of the front end of the outer sleeve and the outer wall of the main shaft, the annular lower spraying inlet is positioned at the front end of the first layer of oil ring, a first layer of oil ring nozzle is arranged on the lower wall of the inner cavity of the outer sleeve, and a second layer of oil ring nozzle is arranged on the upper wall of the inner cavity of the outer sleeve between the bearing inner sleeve and the second layer of oil ring.
When the prior art is used for a long time, the surface of the outer sleeve close to one side wall of the main shaft is easy to wear, and gaps exist between the outer sleeve and the main shaft over time, so that lubricating oil sprayed between the outer sleeve and the main shaft leaks from the position between the outer sleeve and the side wall of the main shaft, and the lubricating effect on the main shaft is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a double-layer ring lower lubricating structure, which has the double-layer lubricating effect through the first oil ring and the second oil ring, improves the lubricating effect on a main shaft, and simultaneously seals between an outer sleeve and the main shaft by using a sealing ring, so that oil leakage between the outer sleeve and the main shaft is avoided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lubricating structure under double-deck ring, includes main shaft and cover establishes the overcoat in the main shaft outside, the ring is seted up to overcoat one side inner wall surface and is sprayed the import under, the inside oil ring first and the oil ring second of inlaying of overcoat, the overcoat is kept away from and is sprayed between import one side and the main shaft outer wall under the ring and is equipped with seal assembly for increase the leakproofness between overcoat and the main shaft, seal assembly includes the sealing washer, the ring channel has been seted up to overcoat one side surface, the sealing groove has been seted up on main shaft one side surface, the sealing washer is established in ring channel and sealing groove, sealing washer one side is equipped with first annular plate, overcoat outer wall cover is equipped with the elasticity subassembly for drive first annular plate and remove extrusion sealing washer.
In a preferred embodiment, the elastic component comprises a second annular plate, the second annular plate is sleeved on the outer wall of the outer sleeve, four connecting rods are fixedly arranged on the surface of the inner side wall of the second annular plate, and the position of the first annular plate is conveniently adjusted by the aid of the second annular plate and the four connecting rods.
In a preferred embodiment, four communication holes are formed between the outer wall surface of the outer sleeve and the annular groove, and four connecting rods respectively penetrate through the four communication holes and are fixedly connected with the outer side wall of the first annular plate for movement of the connecting rods.
In a preferred embodiment, the second annular plate is provided with six threaded rods fixedly arranged on one side close to the main shaft, six through holes are formed in the outer sleeve, the six threaded rods respectively penetrate through the six through holes and are fixed with the outer sleeve through nuts, the six threaded rods are distributed on the second annular plate in an annular array, and the threaded rods are matched with the nuts so as to fix the position of the second annular plate conveniently.
In a preferred embodiment, the inner part of the outer sleeve is provided with a first annular cavity and a second annular cavity, the second annular cavity is arranged on the outer side of the first annular cavity, the first oil ring is arranged in the first annular cavity, the second oil ring is arranged in the second annular cavity, and the first oil ring and the second oil ring are used for achieving double-layer lubrication.
In a preferred embodiment, a first nozzle is arranged between the first oil ring and the second annular cavity, and a second nozzle is arranged between the second oil ring and the third annular cavity, so as to be used for flowing lubricating oil.
In a preferred embodiment, the outer wall surface of the outer sleeve is provided with an annular cavity III, a bearing inner sleeve is arranged in the annular cavity III, the outer sleeve and the main shaft are fixed through a plurality of bolts, and the connection firmness between the outer sleeve and the main shaft is improved.
The utility model has the technical effects and advantages that:
1. according to the utility model, the first oil ring and the second oil ring play a double-layer lubrication role, so that the lubrication effect on the main shaft is improved, the sealing ring is used for sealing between the outer sleeve and the main shaft, oil leakage between the outer sleeve and the main shaft is avoided, after the device is used for a long time, a worker can adjust the position of the second annular plate, and the second annular plate drives the first annular plate to move to squeeze the sealing ring, so that the sealing ring is tightly attached to the sealing groove, the sealing performance is improved, and the sealing performance is prevented from being reduced after the sealing ring is worn after being used for a long time.
2. Through loosening the nut on six screws, then promote the second annular plate and just can drive first annular plate and removed, after adjusting the position of second annular plate, screw up again on six threaded rods the nut fix the second annular plate can, simple structure, it is very convenient to use, the overcoat is together fixed with the main shaft through a plurality of bolts, uses more firmly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a cross-sectional plan view of the overall structure of the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present utility model;
fig. 5 is an enlarged view of the portion B of fig. 3 according to the present utility model.
The reference numerals are: 1. a main shaft; 2. a jacket; 3. a sub-annular jet inlet; 4. an oil ring I; 5. oil ring II; 6. a seal assembly; 7. an elastic assembly; 8. a threaded rod; 9. perforating; 10. an annular cavity I; 11. an annular cavity II; 12. a first nozzle; 13. a second nozzle; 14. an annular cavity III; 15. a bearing inner sleeve; 16. a bolt;
601. a seal ring; 602. an annular groove; 603. sealing grooves; 604. a first annular plate;
701. a second annular plate; 702. a connecting rod; 703. the communication hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to the attached drawings 1-5 of the specification, the utility model provides a double-layer ring lower lubrication structure, which comprises a main shaft 1 and a jacket 2 sleeved outside the main shaft 1, wherein an annular lower injection inlet 3 is formed in the inner wall surface of one side of the jacket 2, an oil ring I4 and an oil ring II 5 are embedded in the jacket 2, and a sealing component 6 is arranged between one side of the jacket 2 far away from the annular lower injection inlet 3 and the outer wall of the main shaft 1 and used for improving the tightness between the jacket 2 and the main shaft 1;
specifically, the sealing assembly 6 includes a sealing ring 601, an annular groove 602 is formed in a surface of one side of the outer sleeve 2, a sealing groove 603 is formed in a surface of one side of the main shaft 1, the sealing ring 601 is arranged in the annular groove 602 and the sealing groove 603, a first annular plate 604 is arranged on one side of the sealing ring 601, and an elastic assembly 7 is sleeved on an outer wall of the outer sleeve 2 and is used for driving the first annular plate 604 to move and squeeze the sealing ring 601;
and the elastic assembly 7 comprises a second annular plate 701, the second annular plate 701 is sleeved on the outer wall of the outer sleeve 2, four connecting rods 702 are fixedly arranged on the surface of the inner side wall of the second annular plate 701, and the position of the first annular plate 604 is conveniently adjusted by using the second annular plate 701 and the four connecting rods 702.
Through being equipped with overcoat 2 in the outside cover of main shaft 1, spray the import 3 through the ring down and spray lubricating oil between overcoat 2 and main shaft 1, the oil ring one 4 in the cooperation overcoat 2 and the oil ring two 5 lubricate main shaft 1, and oil ring one 4 and oil ring two 5 can play double-deck lubricated effect, further improve the lubricated effect to main shaft 1, use sealing washer 601 to seal between overcoat 2 and main shaft 1 simultaneously, avoid the oil leak between overcoat 2 and main shaft 1, and after this device uses for a long time, the staff can adjust the position of second annular plate 701, utilize second annular plate 701 and connecting rod 702 to drive first annular plate 604 and remove extrusion sealing washer 601, make the inseparabler of laminating between sealing washer 601 and the seal groove 603, further improve the leakproofness, avoid sealing washer 601 to use the wearing and tearing after a long time and tearing, reduce the leakproofness.
Referring to fig. 1-5 of the specification, the utility model provides a double-layer ring lower lubrication structure, four communication holes 703 are formed between the outer wall surface of an outer sleeve 2 and an annular groove 602, four connecting rods 702 respectively penetrate through the four communication holes 703 and are fixedly connected with the outer side wall of a first annular plate 604 for moving the connecting rods 702, six threaded rods 8 are fixedly arranged on one side, close to a main shaft 1, of the second annular plate 701, six through holes 9 are formed in the outer sleeve 2, the six threaded rods 8 respectively penetrate through the six through holes 9 and are fixed with the outer sleeve 2 through nuts, the six threaded rods 8 are distributed on the second annular plate 701 in an annular array, and the threaded rods 8 and the nuts are matched so as to be convenient for fixing the position of the second annular plate 701;
the inner part of the outer sleeve 2 is provided with a first annular cavity 10 and a second annular cavity 11, the second annular cavity 11 is arranged on the outer side of the first annular cavity 10, the first oil ring 4 is arranged in the first annular cavity 10, the second oil ring 5 is arranged in the second annular cavity 11, and the first oil ring 4 and the second oil ring 5 are used for double-layer lubrication;
and be equipped with nozzle one 12 between ring one 4 and the annular chamber two 11, be equipped with nozzle two 13 between ring two 5 and the annular chamber three 14 for the flow of lubricating oil, annular chamber three 14 has been seted up to overcoat 2 outer wall surface, annular chamber three 14 is inside to be equipped with bearing inner race 15, fix through a plurality of bolts 16 between overcoat 2 and the main shaft 1, improve the connection fastness between overcoat 2 and the main shaft 1.
Through loosening the nut on six screws, then promote second annular plate 701 just can drive first annular plate 604 and removed, after adjusting the position of second annular plate 701, screw up again on six threaded rods 8 nut fixed second annular plate 701 can, simple structure, it is very convenient to use, overcoat 2 is in the same place fixed with main shaft 1 through a plurality of bolts 16, uses more firmly.
Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a lubrication structure under double-deck ring, includes main shaft (1) and cover overcoat (2) of establishing in main shaft (1) outside, its characterized in that: the inner wall surface of one side of the outer sleeve (2) is provided with an annular lower injection inlet (3), and an oil ring I (4) and an oil ring II (5) are embedded in the outer sleeve (2);
a sealing component (6) is arranged between one side of the outer sleeve (2) far away from the injection inlet (3) below the ring and the outer wall of the main shaft (1) and is used for improving the tightness between the outer sleeve (2) and the main shaft (1);
the sealing assembly (6) comprises a sealing ring (601), an annular groove (602) is formed in one side surface of the outer sleeve (2), a sealing groove (603) is formed in one side surface of the main shaft (1), the sealing ring (601) is arranged in the annular groove (602) and the sealing groove (603), and a first annular plate (604) is arranged on one side of the sealing ring (601);
an elastic component (7) is sleeved on the outer wall of the outer sleeve (2) and used for driving the first annular plate (604) to move and squeeze the sealing ring (601).
2. The double-layer under-ring lubrication structure according to claim 1, wherein: the tightness assembly (7) comprises a second annular plate (701), the second annular plate (701) is sleeved on the outer wall of the outer sleeve (2), and four connecting rods (702) are fixedly arranged on the surface of the inner side wall of the second annular plate (701).
3. A double-layer under-ring lubrication structure according to claim 2, wherein: four communication holes (703) are formed between the outer wall surface of the outer sleeve (2) and the annular groove (602), and four connecting rods (702) respectively penetrate through the four communication holes (703) and are fixedly connected with the outer side wall of the first annular plate (604).
4. A double-layer under-ring lubrication structure according to claim 2, wherein: six threaded rods (8) are fixedly arranged on one side, close to the main shaft (1), of the second annular plate (701), six through holes (9) are formed in the outer sleeve (2), the six threaded rods (8) penetrate through the six through holes (9) respectively and are fixed with the outer sleeve (2) through nuts, and the six threaded rods (8) are distributed on the second annular plate (701) in an annular array.
5. The double-layer under-ring lubrication structure according to claim 1, wherein: the novel oil ring is characterized in that an annular cavity I (10) and an annular cavity II (11) are formed in the outer sleeve (2), the annular cavity II (11) is arranged on the outer side of the annular cavity I (10), the oil ring I (4) is arranged in the annular cavity I (10), and the oil ring II (5) is arranged in the annular cavity II (11).
6. The double-layer sub-annular lubrication structure according to claim 5, wherein: a first nozzle (12) is arranged between the first oil ring (4) and the second annular cavity (11), and a second nozzle (13) is arranged between the second oil ring (5) and the third annular cavity (14).
7. The double-layer under-ring lubrication structure according to claim 1, wherein: the outer wall surface of the outer sleeve (2) is provided with an annular cavity III (14), a bearing inner sleeve (15) is arranged in the annular cavity III (14), and the outer sleeve (2) and the main shaft (1) are fixed through a plurality of bolts (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181260.8U CN219888511U (en) | 2023-02-10 | 2023-02-10 | Double-layer ring lower lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181260.8U CN219888511U (en) | 2023-02-10 | 2023-02-10 | Double-layer ring lower lubrication structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888511U true CN219888511U (en) | 2023-10-24 |
Family
ID=88398313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320181260.8U Active CN219888511U (en) | 2023-02-10 | 2023-02-10 | Double-layer ring lower lubrication structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888511U (en) |
-
2023
- 2023-02-10 CN CN202320181260.8U patent/CN219888511U/en active Active
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