CN221547548U - Combined sliding bearing - Google Patents
Combined sliding bearing Download PDFInfo
- Publication number
- CN221547548U CN221547548U CN202420242424.8U CN202420242424U CN221547548U CN 221547548 U CN221547548 U CN 221547548U CN 202420242424 U CN202420242424 U CN 202420242424U CN 221547548 U CN221547548 U CN 221547548U
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- Prior art keywords
- bearing
- sleeve
- elastic
- inner sleeve
- threads
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- 238000009736 wetting Methods 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 24
- 239000010687 lubricating oil Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000001050 lubricating effect Effects 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a combined sliding bearing, which relates to the technical field of sliding bearings, and particularly comprises a bearing shell, wherein the upper surface of the bearing shell is of a hollow penetrating structure, a bearing inner sleeve is connected in a penetrating way in an intrados hollow structure of the bearing shell, threads are arranged on the extrados of the bearing inner sleeve, an oil wetting hole is formed in the upper surface of the bearing inner sleeve, an oil wetting flow passage is arranged at the position, close to the through groove, of the bearing inner sleeve, one end of the oil wetting flow passage is provided with a flow passage inlet, the diameter of an annular protruding part can be movably sleeved in a cavity of the bearing shell through an external conical surface, and a plurality of gaps are formed in the extrados of the elastic bearing, so that the gaps on the inner conical surfaces of the top and the bottom of two sides can be extended outwards when the middle part of the whole elastic bearing is installed by a large-diameter device, or the situation that the bearing inner hole is required to be manufactured again is found to be large due to abrasion after equipment is operated for a certain period is avoided.
Description
Technical Field
The utility model relates to the technical field of sliding bearings, in particular to a combined sliding bearing.
Background
In order to ensure safe and reliable operation of the bearing, friction and abrasion are required to be reduced as much as possible when the bearing works, so that failure caused by pitting corrosion on the surface of the bearing is avoided, and lubrication is required to be carried out on the bearing. Normal lubrication significantly improves the fatigue life of the bearing and friction, wear, temperature, vibration, etc. Analysis of the cause of bearing failure indicates that about 40% of bearing failure is associated with poor lubrication, and therefore the quality of the lubrication system is an extremely important factor for the bearing.
If the gap is too large or the equipment runs for a certain period, the maintenance finds that the inner hole of the bearing is larger due to abrasion, the bearing is required to be manufactured again, and the grease is required to be smeared on the matching surface again after the equipment is used and dried due to continuous volatilization of the grease, so that the grease is smeared again, and only the assembled sliding bearing is detached, thus causing a lot of inconvenience and reducing the production efficiency.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a combined sliding bearing which has the effects of expansion adaptation and lubrication.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the combined sliding bearing comprises a bearing shell, wherein the upper surface of the bearing shell is of a hollow penetrating structure, a bearing inner sleeve is connected in the hollow structure of the inner cambered surface of the bearing shell in a penetrating manner, threads are arranged on the inner cambered surface of the bearing inner sleeve, an oil wetting hole is formed in the upper surface of the bearing inner sleeve, an oil wetting flow passage is formed in the position, close to a through groove, of the bearing inner sleeve, a flow passage inlet is formed in one end of the oil wetting flow passage, a bearing part is arranged on the upper surface of the bearing shell, gaskets are movably sleeved on the bearing part on the surface of the bearing shell, the bearing shell is composed of two semicircular shaft shells, bearing cavities are formed in the inner cambered surface of the two semicircular shaft shells, a bearing outer sleeve is movably connected with the outer cambered surface of the bearing inner sleeve through threads, the inner cambered surface of the bearing outer sleeve is provided with inner threads, the inner threads of the bearing outer sleeve are movably connected with the outer threads of the bearing inner sleeve, threaded holes are formed in two sides of the upper surface of the bearing outer sleeve, lubricating oil can be guided through the oil wetting flow passage on the surface of the bearing inner sleeve, the lubricating oil which is added into the elastic bearing through the oil wetting flow passage, the oil hole on the top of the lubricating flow passage flows into the elastic bearing, and the bearing is well-shaped, so that the production efficiency of the sliding bearing is reduced, and the problem is solved, and the production efficiency is only is reduced.
Optionally, the bearing coat is movably sleeved in the bearing cavity of the bearing bush shell, the number of the bearing coats is two, the bearing coats are distributed on two sides of the bearing cavity in a mirror symmetry mode, and the bottom of the intrados of the bearing coat is movably clamped with an elastic bearing.
Optionally, the flexible bearing movable joint is in the bearing cavity department in the axle bush casing, flexible bearing's top and bottom all are equipped with interior conical surface, flexible bearing's the middle part that is close to both sides interior conical surface is equipped with the outer conical surface.
Optionally, the activity of both sides the interior conical surface cup joints on the intrados of bearing housing, the middle section activity joint of outer conical surface is in the interior cavity that bears of axle bush casing, the extrados week side of elastic bearing all is equipped with the gap.
Optionally, the number of the gaps is a plurality of, and the gaps are distributed on the elastic bearing in a ring array mode, and the notch at the top of the gasket is correspondingly matched with the inlet of the lubricating oil runner.
Optionally, the oil wetting flow channel is in penetrating fit with the oil wetting holes, and the number of the oil wetting holes is two and is uniformly distributed in a ring array mode.
Optionally, the number of the bearing inner sleeves is two, and the bearing inner sleeves are distributed on the intrados of the two bearing outer sleeves in a mirror symmetry manner, the diameter of the annular protruding part can be movably sleeved in the cavity of the bearing bush shell through the protruding outer conical surface in the middle of the elastic bearing, and meanwhile, the gaps on the inner conical surfaces of the top and the bottom of the two sides can be extended to the outside when the middle of the whole elastic bearing is installed by a large-diameter device due to the fact that the plurality of gaps are arranged on the extrados of the elastic bearing, so that too large gaps are avoided, or after a certain period of equipment operation, the situation that the inner hole of the bearing becomes large due to abrasion and the bearing needs to be manufactured again is found through overhauling.
The utility model provides a combined sliding bearing, which has the following beneficial effects:
1. The lubricating oil added can be guided through the lubricating oil flow channel on the surface of the bearing inner sleeve, so that the lubricating oil flows into the elastic bearing through the lubricating oil hole at the top of the lubricating oil flow channel to lubricate, thereby avoiding the re-smearing of lubricating grease, and only the assembled sliding bearing is disassembled, so that a lot of inconvenience is caused, and the production efficiency is reduced.
2. The middle part of the elastic bearing is a convex outer conical surface, so that the diameter of the annular convex part can be movably sleeved in the cavity of the bearing bush shell, and meanwhile, the gaps on the inner conical surfaces of the top and the bottom of the two sides of the middle part of the whole elastic bearing can be extended to the outside when the elastic bearing is installed by a large-diameter device because a plurality of gaps are formed in the outer cambered surface of the elastic bearing, so that too large gaps are avoided, or after a certain period of equipment operation, the situation that the inner hole of the bearing is increased due to abrasion and the bearing needs to be manufactured again is found through overhauling.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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 will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
FIG. 1 is a schematic view of the overall structure of a sliding bearing according to the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the disassembled structure of the present utility model;
fig. 4 is a schematic view of a partial structure of the present utility model.
In the figure: 1. a bearing shell; 2. a bearing inner sleeve; 3. an oil wetting hole; 4. an oil wetting flow channel; 5. a gasket; 6. a bearing outer sleeve; 7. an elastic bearing; 8. an inner conical surface; 9. an outer conical surface; 10. a slit.
Detailed Description
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: a combined sliding bearing comprises a bearing shell 1, wherein the upper surface of the bearing shell 1 is of a hollow penetrating structure, a bearing inner sleeve 2 is connected in a penetrating manner in the hollow structure of an inner cambered surface of the bearing shell 1, an outer cambered surface of the bearing inner sleeve 2 is provided with threads, an oil wetting hole 3 is formed in the upper surface of the bearing inner sleeve 2, an oil wetting flow channel 4 is arranged at a position close to a through groove of the bearing inner sleeve 2, a flow channel inlet is formed in one end of the oil wetting flow channel 4, a bearing part is arranged on the upper surface of the bearing shell 1, a gasket 5 is movably sleeved on the bearing part on the surface of the bearing shell 1, the bearing shell 1 is composed of two semicircular shaft shells, a bearing cavity is formed in the inner cambered surface of the two semicircular shaft shells, a bearing outer sleeve 6 is movably connected to the outer cambered surface of the bearing inner sleeve 2 through threads, the inner cambered surface of the bearing outer sleeve 6 is provided with inner threads, the inner threads of the bearing outer sleeve 6 are movably connected with the outer threads of the bearing inner sleeve 2, and threaded holes are formed in two sides of the upper surface of the bearing outer sleeve 6
The lubricating oil added can be guided through the lubricating oil flow channel 4 on the surface of the bearing inner sleeve 2, so that the lubricating oil flows into the elastic bearing 7 through the lubricating oil hole 3 at the top of the lubricating oil flow channel 4 for lubrication, thereby avoiding the re-smearing of lubricating grease, and only the assembled sliding bearing is disassembled, so that a lot of inconvenience is caused, and the production efficiency is reduced.
The bearing housing 6 is movably sleeved in the bearing cavity of the bearing housing 1, the two bearing housings 6 are symmetrically distributed on two sides of the bearing cavity, the elastic bearing 7 is movably clamped at the bottom of the inner cambered surface of the bearing housing 6, the elastic bearing 7 is movably clamped at the bearing cavity in the bearing housing 1, the top and the bottom of the elastic bearing 7 are respectively provided with an inner conical surface 8, the middle part of the elastic bearing 7, which is close to the inner conical surfaces 8 on two sides, is provided with an outer conical surface 9, the inner conical surfaces 8 on two sides are movably sleeved on the inner cambered surfaces of the bearing housing 6, the middle section of the outer conical surface 9 is movably clamped in the bearing cavity in the bearing housing 1, the peripheral sides of the outer cambered surfaces of the elastic bearing 7 are respectively provided with a plurality of gaps 10, and are distributed on the elastic bearing 7 in a ring array, the notch at the top of the gasket 5 is correspondingly matched with the inlet of the lubricating oil runner 4, the lubricating oil runner 4 is in penetrating fit with the lubricating oil holes 3, the number of the lubricating oil holes 3 is two, the lubricating oil holes are uniformly distributed in a ring array, and the number of the bearing 2 is two, and the two inner sleeves are symmetrically distributed on the inner cambered surfaces of the two bearings 6.
The middle part of the elastic bearing 7 is provided with the convex outer conical surface 9, so that the annular convex part diameter can be movably sleeved in the cavity of the bearing bush shell 1, and meanwhile, as the elastic bearing 7 is provided with a plurality of gaps 10 on the outer conical surface, the gaps 10 on the inner conical surfaces 8 on the top and the bottom of the two sides can be extended to the outside when the middle part of the whole elastic bearing 7 is installed by a large-diameter device, so that too large gaps are avoided, or after a certain period of equipment operation, the condition that the bearing inner hole is increased due to abrasion and the bearing is required to be manufactured again is found through overhauling.
In the utility model, the working steps of the device are as follows:
The bearing bush shell 1 is formed by fixedly connecting two semicircular shaft shells through bolts, a bearing cavity is formed at the inner cambered surface after the two semicircular shaft shells are assembled, the embedded bearing is conveniently prefabricated and installed, the elastic bearing 7 is movably sleeved on the inner cambered surface of the bearing cavity, the annular protruding part diameter can be movably sleeved in the cavity of the bearing bush shell 1 due to the fact that the middle part of the elastic bearing 7 is a protruding outer conical surface 9, a plurality of gaps 10 are formed in the outer cambered surface of the elastic bearing 7, the gaps 10 on the inner conical surface 8 of the top part and the bottom part of the whole elastic bearing 7 can be extended to the outside when the middle part of the elastic bearing 7 is installed by a large-diameter device, the gap is avoided, or after a certain period of equipment operation, the bearing inner hole is found to be increased due to abrasion, the fact that the bearing needs to be manufactured again occurs, and the expansion of the top part and the bottom part is simultaneously connected with the inner cambered surface of the bearing outer sleeve 6 on the upper side and the lower side after the installation of the large-diameter device, thereby forming a thread connection bearing inner sleeve 2, and simultaneously the oil runner 4 on the surface of the inner sleeve 2 can lead to the oil runner 4 on the two sides to extend to the outside when the large-diameter device is installed, the oil runner 4 can be led to the inside through the oil runner 4, and the lubricating efficiency of the lubricating channel is reduced, and the problem of the lubricating inside of the bearing is avoided only is solved, and the problem is solved, and the lubricating efficiency is only is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A combined sliding bearing, comprising a bearing shell (1), characterized in that: the bearing bush comprises a bearing bush shell body (1), wherein the upper surface of the bearing bush shell body (1) is of a hollow penetrating structure, a bearing inner sleeve (2) is connected in a penetrating manner in the hollow structure of an inner cambered surface of the bearing bush shell body (1), threads are arranged on the outer cambered surface of the bearing inner sleeve (2), an oil wetting hole (3) is formed in the upper surface of the bearing inner sleeve (2), an oil wetting flow passage (4) is formed in the position, close to a through groove, of the bearing inner sleeve (2), a flow passage inlet is formed in one end of the oil wetting flow passage (4), a bearing part is arranged on the upper surface of the bearing bush shell body (1), gaskets (5) are movably sleeved on the bearing part of the surface of the bearing bush shell body (1), bearing cavities are formed in the inner cambered surface positions of the two semicircular shaft shells, a bearing outer sleeve (6) is movably connected with the outer cambered surface of the bearing inner sleeve (2) through threads, the inner cambered surface of the bearing outer sleeve (6) is provided with inner threads, and the inner threads of the outer sleeve (6) are movably connected with the outer threads of the bearing inner sleeve (2) through threads.
2. A combination sliding bearing according to claim 1, wherein: the bearing sleeve (6) is movably sleeved in the bearing cavity of the bearing bush shell (1), the number of the bearing sleeves (6) is two, the bearing sleeves are distributed on two sides of the bearing cavity in a mirror symmetry mode, and the elastic bearings (7) are movably clamped at the bottoms of the intrados of the bearing sleeves (6).
3. A combination sliding bearing according to claim 2, characterized in that: the bearing shell is characterized in that the elastic bearing (7) is movably clamped at the bearing cavity in the bearing shell body (1), the top and the bottom of the elastic bearing (7) are respectively provided with an inner conical surface (8), and the middle part of the elastic bearing (7) close to the inner conical surfaces (8) on two sides is provided with an outer conical surface (9).
4. A combination sliding bearing according to claim 3, wherein: the two sides of the inner conical surface (8) are movably sleeved on the inner cambered surface of the bearing sleeve (6), the middle section of the outer conical surface (9) is movably clamped in a bearing cavity in the bearing bush shell (1), and gaps (10) are formed in the peripheral side of the outer cambered surface of the elastic bearing (7).
5. A combination sliding bearing according to claim 4, wherein: the number of the gaps (10) is a plurality, the gaps are distributed on the elastic bearing (7) in a ring-shaped array mode, and the notch at the top of the gasket (5) is correspondingly matched with the inlet of the lubricating oil flow channel (4).
6. A combination sliding bearing according to claim 2, characterized in that: the oil wetting flow channel (4) is in penetrating fit with the oil wetting holes (3), and the number of the oil wetting holes (3) is two and is uniformly distributed in a ring-shaped array mode.
7. A combination sliding bearing according to claim 6, wherein: the number of the bearing inner sleeves (2) is two, and the bearing inner sleeves are distributed on the intrados of the two bearing outer sleeves (6) in a mirror symmetry mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420242424.8U CN221547548U (en) | 2024-02-01 | 2024-02-01 | Combined sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420242424.8U CN221547548U (en) | 2024-02-01 | 2024-02-01 | Combined sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221547548U true CN221547548U (en) | 2024-08-16 |
Family
ID=92221736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420242424.8U Active CN221547548U (en) | 2024-02-01 | 2024-02-01 | Combined sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221547548U (en) |
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2024
- 2024-02-01 CN CN202420242424.8U patent/CN221547548U/en active Active
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