CN220540126U - Double-row tapered roller bearing with lubricating structure - Google Patents
Double-row tapered roller bearing with lubricating structure Download PDFInfo
- Publication number
- CN220540126U CN220540126U CN202322335934.8U CN202322335934U CN220540126U CN 220540126 U CN220540126 U CN 220540126U CN 202322335934 U CN202322335934 U CN 202322335934U CN 220540126 U CN220540126 U CN 220540126U
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- Prior art keywords
- bearing
- oil
- storage tank
- oil storage
- inner race
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 10
- 238000005461 lubrication Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 76
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a double-row tapered roller bearing with a lubricating structure, which comprises a bearing inner ring, a bearing outer ring, rollers, a retainer and oil holes, wherein the bearing outer ring is coaxially sleeved on the bearing inner ring, the rollers are arranged on the retainer and between the bearing inner ring and the bearing outer ring, and a raceway for the rollers to roll is arranged on the bearing inner ring. The oil inlet, the oil storage tank and the oil outlet are formed in the inner ring of the bearing, the structure is simple, the processing is convenient, the opening direction of the oil inlet is inclined, lubricating oil can be collected when the inner ring of the bearing rotates, the oil inlet can enter the bearing through the oil outlet, other lubricating devices are not required to be added, the bearing is lubricated, and the service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to a double-row tapered roller bearing with a lubricating structure.
Background
The double-row tapered roller bearing has the advantages of bearing larger moment, axial force in two directions and the like, is convenient to install and maintain, and is widely applied to various fields of engineering machinery, light industrial machinery and the like. In some special fields, the requirements on high rotation speed and long service life of the bearing are higher and higher, for example, the bearing on the main shaft of some special rotary equipment is difficult to enter the bearing due to the structure of the double-row tapered roller bearing, so that the lubrication is difficult, and the conventional bearing is often poor in lubrication, so that the failure is caused, and the service life is advanced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a double-row tapered roller bearing with a lubricating structure, wherein an oil storage tank, a plurality of oil inlet holes and oil outlet holes are arranged on an inner ring so as to realize lubrication inside the bearing.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take lubricating structure's biserial tapered roller bearing, includes bearing inner race, bearing outer lane, roller, holder, oil filler point, the same axle sleeve of bearing outer lane is established on the bearing inner race, the roller is installed on the holder and is installed between bearing inner race and bearing outer lane, be equipped with on the bearing inner race and supply the rolling raceway of roller, its characterized in that, annular oil storage tank has been seted up on the inner diameter face of bearing inner race, the middle part of bearing inner race is equipped with a plurality of inlet ports with the oil storage tank intercommunication, be equipped with the oil outlet of a plurality of intercommunications between oil storage tank and the raceway, a plurality of the inlet port be the slope setting, and the direction of inlet port slope is opposite with bearing inner race pivoted direction.
As a further improvement of the utility model, the oil inlet holes are distributed along the radial direction of the bearing inner ring, and the opening of the oil inlet holes far away from the oil storage tank is larger than the opening of the oil inlet holes close to the oil storage tank.
As a further improvement of the utility model, the roller path is provided with an annular groove, the oil outlet is communicated with the oil storage tank, and the opening of the oil outlet far away from the oil storage tank is smaller than the opening of the oil outlet near to the oil storage tank.
As a further improvement of the utility model, the oil filling hole is arranged on the outer ring of the bearing and corresponds to the position of the oil filling hole.
The utility model has the beneficial effects that: by adopting the technical scheme, the oil inlet, the oil storage tank and the oil outlet are formed in the bearing inner ring, the structure is simple, the processing is convenient, the opening direction of the oil inlet is inclined, so that lubricating oil can be collected when the bearing inner ring rotates, the lubricating oil in the oil storage tank enters the bearing through the oil outlet under the pressure generated by centripetal force and the pumping action generated by the rotation of the roller, and thus other lubricating devices are not required to be added, the bearing is lubricated, and the service life of the bearing is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of an internal structure of an oil storage tank according to an embodiment of the present utility model;
reference numerals: 1. a bearing inner ring; 2. a bearing outer ring; 3. an oil filling hole; 4. an oil storage tank; 5. an oil inlet hole; 6. an oil outlet hole; 7. a groove.
Detailed Description
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.
Referring to figures 1-2, a double row tapered roller bearing with a lubricating structure comprises a bearing inner ring 1, a bearing outer ring 2, rollers, a retainer and an oil filling hole 3, wherein the bearing outer ring 2 is coaxially sleeved on the bearing inner ring 1, the rollers are arranged on the retainer and between the bearing inner ring 1 and the bearing outer ring 2, a raceway for the rollers to roll is arranged on the bearing inner ring 1, an annular oil storage tank 4 is arranged on the inner diameter surface of the bearing inner ring 1, the oil storage tank 4 is arranged in an opening way, the oil storage tank 4 realizes a closed oil storage space through matching with a mandrel, thus the oil storage tank 4 is convenient to process, the mandrel is convenient to disassemble, the bearing inner ring is lubricated at the matched shaft section, the middle part of the bearing inner ring 1 is provided with a plurality of oil inlet holes 5 communicated with the oil storage tank 4, the oil inlet holes 5 are used for recovering lubricating oil in the bearing, a plurality of communicated oil outlet holes 6 are arranged between the oil storage tank 4 and the roller path, the oil outlet holes are arranged for outputting lubricating oil to the rollers in the roller path, a plurality of oil inlet holes 5 are obliquely arranged, the direction of inclination of the oil inlet holes 5 is opposite to the rotating direction of the bearing inner ring 1, the oil inlet holes 5 are distributed along the radial direction of the bearing inner ring 1, the lubricating oil can be collected by the oil inlet holes 5 when the inner ring rotates, the lubricating oil enters the oil storage tank 4 under the action of centripetal force, the lubricating oil in the oil storage tank 4 enters the bearing through the oil outlet holes 6 under the action of pressure generated by the centripetal force and pumping action generated by the rotation of the rollers, the opening of the oil inlet holes 5 far away from the oil storage tank 4 is larger than the opening of the oil inlet holes 5 close to the oil storage tank 4, the oil inlet holes 5 are arranged into two openings with different sizes so as to facilitate the collection of the lubricating oil, an annular groove 7 is arranged on the roller path, the oil outlet 6 is communicated with the groove 7 and the oil storage tank 4, the opening of the oil outlet 6 far away from the oil storage tank 4 is smaller than the opening of the oil storage tank 4, the oil storage hole is arranged to be two openings with different sizes so as to facilitate the output of lubricating oil, the oil filling hole 3 is arranged on the bearing outer ring 2 and corresponds to the position of the oil inlet 5, the oil filling hole 3 is arranged right above the oil inlet 5, and the oil filling is performed by aligning the oil filling hole with the oil inlet by rotating the mandrel.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (4)
1. The utility model provides a take lubricating structure's biserial tapered roller bearing, includes bearing inner race, bearing outer lane, roller, holder, oil filler point, the same axle sleeve of bearing outer lane is established on the bearing inner race, the roller is installed on the holder and is installed between bearing inner race and bearing outer lane, be equipped with on the bearing inner race and supply the rolling raceway of roller, its characterized in that, annular oil storage tank has been seted up on the inner diameter face of bearing inner race, the middle part of bearing inner race is equipped with a plurality of inlet ports with the oil storage tank intercommunication, be equipped with the oil outlet of a plurality of intercommunications between oil storage tank and the raceway, a plurality of the inlet port be the slope setting, and the direction of inlet port slope is opposite with bearing inner race pivoted direction.
2. The double-row tapered roller bearing with a lubrication structure according to claim 1, wherein the oil inlet holes are arranged along the radial direction of the inner ring of the bearing, and the opening of the oil inlet holes away from the oil storage tank is larger than the opening of the oil inlet holes close to the oil storage tank.
3. The double-row tapered roller bearing with a lubrication structure according to claim 1, wherein the raceway is provided with an annular groove, the oil outlet is communicated with the oil storage tank, and an opening of the oil outlet away from the oil storage tank is smaller than an opening of the oil outlet close to the oil storage tank.
4. The double row tapered roller bearing with a lubrication structure according to claim 1, wherein the oil filling hole is provided on the bearing outer ring at a position corresponding to the oil filling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322335934.8U CN220540126U (en) | 2023-08-29 | 2023-08-29 | Double-row tapered roller bearing with lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322335934.8U CN220540126U (en) | 2023-08-29 | 2023-08-29 | Double-row tapered roller bearing with lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540126U true CN220540126U (en) | 2024-02-27 |
Family
ID=89963266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322335934.8U Active CN220540126U (en) | 2023-08-29 | 2023-08-29 | Double-row tapered roller bearing with lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540126U (en) |
-
2023
- 2023-08-29 CN CN202322335934.8U patent/CN220540126U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |