CN210599842U - Sliding bearing - Google Patents
Sliding bearing Download PDFInfo
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- CN210599842U CN210599842U CN201921103588.8U CN201921103588U CN210599842U CN 210599842 U CN210599842 U CN 210599842U CN 201921103588 U CN201921103588 U CN 201921103588U CN 210599842 U CN210599842 U CN 210599842U
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- test hole
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- displacement test
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Abstract
The utility model provides a sliding bearing, which comprises a bearing body, wherein the bearing body comprises a metal outer lining, a first lining and a second lining, the metal outer lining is in a tubular structure, the second lining is attached to the inner wall of the metal outer lining, and the first lining is attached to one surface of the second lining which is not attached to the metal outer lining; the first lining layer and the second lining layer are relatively fixed, and the second lining layer and the inner wall of the metal outer lining are relatively fixed. This design may be used for lubricant flooded bearings and externally supplied lubricant conditions. By adopting the structure of the first lining layer, the bearing interface bearing capacity can be adjusted; by adopting the structure of the second lining layer, the effects of buffering and vibration reduction in the bearing process can be adjusted.
Description
Technical Field
The utility model relates to the field of machine-building, specifically, relate to a slide bearing.
Background
The defects of the prior art are as follows: if the traditional babbit metal is adopted as the material of the existing bearing lining layer, silt particles are easily involved in the bearing operation process, so that the bearing surface is abraded and corroded, and meanwhile, the vibration and impact are large, so that the service life of the bearing-rotating shaft and the operation stability are influenced; rubber is adopted as a bearing lining layer, the lining layer deforms to generate bulges under the working condition of low speed and heavy load, the necking effect is generated on the surface of the lining layer, and the bearing capacity is reduced due to the phenomenon of viscous water slip; simple structure, is not favorable to using under extreme operating mode and so on.
Upon search of the prior art, the invention patent application No. 201310111204.8 discloses a plain bearing comprising a support layer and a sliding layer, wherein the sliding layer is divided in a plane into at least one first region and at least one second region, and wherein the at least one first region consists of AlSn40Cu and the at least one second region consists of babbitt metal. The babbit alloy is used as a lining material, so that silt particles are easily involved in the running process of the bearing, the surface of the bearing is abraded and corroded, and meanwhile, the vibration and the impact are large, so that the service life of a bearing rotating shaft and the running stability are influenced.
SUMMERY OF THE UTILITY MODEL
To overcome the above-mentioned drawbacks, the present invention provides a sliding bearing which solves one or more of the above-mentioned problems.
According to an aspect of the present invention, there is provided a sliding bearing, including a bearing body, the bearing body including a metal outer lining, a first lining, a second lining, wherein the metal outer lining is in a tubular structure, the second lining is attached to an inner wall of the metal outer lining, and the first lining is attached to a surface of the second lining which is not attached to the metal outer lining; the first lining layer and the second lining layer are relatively fixed, and the second lining layer and the inner wall of the metal outer lining are relatively fixed.
This design may be used for lubricant flooded bearings and externally supplied lubricant conditions. By adopting the structure of the first lining layer, the bearing interface bearing capacity can be adjusted; by adopting the structure of the second lining layer, the effects of buffering and vibration reduction in the bearing process can be adjusted.
In some embodiments, the side wall of the bearing body is provided with a pressure test hole, and the pressure test hole penetrates through the metal outer lining, the first lining layer and the second lining layer; the central axis of the pressure test hole is perpendicular to the central axis of the metal outer lining.
The bearing pressure test hole can be used for testing and monitoring the bearing pressure condition, and overload damage is avoided.
In some embodiments, a first displacement test hole and a second displacement test hole are formed in the side wall of the bearing body, and both the first displacement test hole and the second displacement test hole penetrate through the metal outer lining, the first lining layer and the second lining layer; the central axis of the first displacement test hole is perpendicular to the central axis of the second displacement test hole.
In practical use, the eddy current sensors are respectively arranged in the first displacement testing hole and the second displacement testing hole, so that vibration displacement measurement, frequency spectrum measurement and axis track measurement in two vertical directions can be realized. If the thickness of the bearing film is not measured or the rotating shaft whirls, the first displacement test hole and the second displacement test hole can play a role in assisting in fixing the bearing.
In some embodiments, the inner walls of the first displacement test hole and the second displacement test hole are provided with internal threads matching with the eddy current sensors.
This design facilitates the installation of the eddy current sensor.
In some embodiments, the side wall of the bearing body is further provided with a third displacement test hole, and the third displacement test hole penetrates through the metal outer lining, the first lining layer and the second lining layer; and the central shaft of the third displacement test hole is parallel to the central shaft of the pressure test hole and is vertical to the central axis of the bearing body.
In actual use, the purpose of measuring the film thickness of the bearing in the vertical direction can be achieved by installing the high-precision eddy current sensor, and then the three-dimensional distribution of the film thickness can be obtained. If the thickness of the bearing film or the whirling of the rotating shaft is not measured, the third displacement test hole can play a role in assisting in fixing the bearing.
In some embodiments, the inner walls of the third displacement test hole and the pressure test hole are provided with internal threads matched with the eddy current sensor.
This design facilitates the installation of the eddy current sensor.
In some embodiments, a fourth displacement test hole and a fifth displacement test hole are further formed in the bearing body, and the fourth displacement test hole and the fifth displacement test hole are symmetrically distributed on two sides of the third displacement test hole and penetrate through the metal outer lining, the first lining and the second lining.
In practical use, high-precision eddy current sensors are respectively arranged in the fourth displacement test hole and the fifth displacement test hole, so that the aim of auxiliary measurement of the thickness of the bearing film can be achieved. If the thickness of the bearing film or the whirling of the rotating shaft is not measured, the fourth displacement test hole and the fifth displacement test hole can play a role in assisting in fixing the bearing.
In some embodiments, the inner walls of the fourth displacement test hole and the fifth displacement test hole are provided with internal threads matched with the eddy current sensors.
This design facilitates the installation of the eddy current sensor.
In some embodiments, the bearing body is further provided with a sixth displacement test hole and a seventh displacement test hole, and the sixth displacement test hole and the seventh displacement test hole both penetrate through the metal outer lining, the first lining layer and the second lining layer and are uniformly distributed on two sides of the third displacement test hole; the sixth displacement test hole is located between the fourth displacement test hole and the third displacement test hole, and the seventh displacement test hole is located between the fifth displacement test hole and the third displacement test hole.
The design can assist in measuring the thickness of the bearing film more accurately.
In some embodiments, the metal outer liner outer wall is provided with a first clamping ring and a second clamping ring, and an included angle between a plane where the first clamping ring is located and a plane where the second clamping ring is located is larger than 0 degrees and smaller than 180 degrees.
The design can achieve the purpose of applying resultant force in any direction on the bearing and completing experimental loading under complex extreme working conditions. If external load is not applied to the bearing, the first clamping ring and the second clamping ring can play a role in assisting in fixing the bearing.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 4 is a schematic side view of an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the utility model discloses a sliding bearing, including bearing body 100, this bearing body 100 includes metal outer lining 101, first lining 102, second lining 103, wherein, metal outer lining 101 is the tubular structure, and second lining 103 is laminated in the inner wall of metal outer lining 101, and first lining 102 is laminated in the second lining 103 not with the one side of laminating of metal outer lining 101; the first lining 102 and the second lining 103 are relatively fixed, and the second lining 103 and the inner wall of the metal outer lining 101 are relatively fixed.
The first lining layer 102 and the second lining layer 103, and the second lining layer 103 and the metal outer lining 101 can be relatively fixed by adopting a bonding connection mode.
This design may be used for lubricant flooded bearings and externally supplied lubricant conditions. By adopting the structure of the first lining layer 102, the bearing interface bearing capacity can be adjusted; by adopting the structure of the second lining layer 103, the buffering and vibration damping effects in the bearing process can be adjusted.
In order to avoid damage caused by overload of the sliding bearing, the side wall of the bearing body 100 can be provided with a pressure test hole 20, and the pressure test hole 20 penetrates through the metal outer lining 101, the first lining layer 102 and the second lining layer 103; the central axis of the pressure test hole 20 is perpendicular to the central axis of the metal outer liner 101. The pressure test hole 20 can be used for testing and monitoring the bearing pressure condition, so that overload damage is avoided.
In addition, the side wall of the bearing body 100 is provided with a first displacement test hole 11 and a second displacement test hole 12, and the first displacement test hole 11 and the second displacement test hole 12 both penetrate through the metal outer lining 101, the first lining 102 and the second lining 103; the central axis of the first displacement test hole 11 and the central axis of the second displacement test hole 12 are perpendicular to each other.
In practical use, the eddy current sensors are respectively arranged in the first displacement test hole 11 and the second displacement test hole 12, so that vibration displacement measurement in two vertical directions, frequency spectrum measurement and axis locus measurement can be realized. If the thickness of the bearing film or the whirling of the rotating shaft is not measured, the first displacement test hole 11 and the second displacement test hole 12 can play a role in assisting in fixing the bearing.
The inner walls of the first displacement test hole 11 and the second displacement test hole 12 may be provided with internal threads matching with the eddy current sensor. This design facilitates the installation of the eddy current sensor.
Further, a third displacement test hole 13 may be further formed in the side wall of the bearing body 100, and the third displacement test hole 13 penetrates through the metal outer lining 101, the first lining 102 and the second lining 103; the central axis of the third displacement test hole 13 is parallel to the central axis of the pressure test hole 20, and both are perpendicular to the central axis of the bearing body 100.
In actual use, the high-precision eddy current sensor is mounted, so that the aim of measuring the film thickness of the bearing in the vertical direction can be fulfilled, and the three-dimensional distribution of the film thickness can be obtained. If the thickness of the bearing film or the whirling of the rotating shaft is not measured, the third displacement test hole 13 can play a role in assisting in fixing the bearing.
The inner walls of the third displacement test hole 13 and the pressure test hole 20 are provided with inner threads matched with the eddy current sensor. This design facilitates the installation of the eddy current sensor.
Furthermore, the bearing body 100 may further have a fourth displacement test hole 14 and a fifth displacement test hole 15, where the fourth displacement test hole 14 and the fifth displacement test hole 15 are symmetrically distributed on two sides of the third displacement test hole 13, and both penetrate through the metal outer lining 101, the first lining 102 and the second lining 103.
In practical use, high-precision eddy current sensors are respectively arranged in the fourth displacement test hole 14 and the fifth displacement test hole 15, so that the purpose of auxiliary measurement of the thickness of the bearing film can be achieved. If the thickness of the bearing film or the whirling of the rotating shaft is not measured, the fourth displacement test hole 14 and the fifth displacement test hole 15 can play a role in assisting in fixing the bearing.
The inner walls of the fourth displacement test hole 14 and the fifth displacement test hole 15 can be provided with internal threads matched with the eddy current sensors, so that the eddy current sensors are convenient to install.
In order to accurately assist in measuring the thickness of the bearing film, the bearing body 100 may further be provided with a sixth displacement test hole 16 and a seventh displacement test hole 17, wherein the sixth displacement test hole 16 and the seventh displacement test hole 17 both penetrate through the metal outer lining 101, the first lining 102 and the second lining 103, and are uniformly distributed on both sides of the third displacement test hole 13; the sixth displacement test hole 16 is located between the fourth displacement test hole 14 and the third displacement test hole, and the seventh displacement test hole 17 is located between the fifth displacement test hole 15 and the third displacement test hole 13.
The outer wall of the metal outer lining 101 can be further provided with a first clamping ring 31 and a second clamping ring 32, and the included angle between the plane of the first clamping ring 31 and the plane of the second clamping ring 32 is larger than 0 degrees and smaller than 180 degrees. The design can achieve the purpose of applying resultant force in any direction on the bearing and completing experimental loading under complex extreme working conditions. If no external load is applied to the bearing, the first and second clamping rings 31 and 32 may serve as auxiliary fixing means for the bearing.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A plain bearing, characterized in that it comprises a bearing body (100), which bearing body (100) comprises a metal outer lining (101), a first lining layer (102), a second lining layer (103), wherein,
the metal outer lining (101) is of a cylindrical structure, the second lining layer (103) is attached to the inner wall of the metal outer lining (101), and the first lining layer (102) is attached to one surface, which is not attached to the metal outer lining (101), of the second lining layer (103);
the first lining (102) and the second lining (103) are relatively fixed, and the second lining (103) and the inner wall of the metal outer lining (101) are relatively fixed;
a pressure test hole (20) is formed in the side wall of the bearing body (100), and the pressure test hole (20) penetrates through the metal outer lining (101), the first lining layer (102) and the second lining layer (103);
the central axis of the pressure test hole (20) is perpendicular to the central axis of the metal outer lining (101).
2. The sliding bearing according to claim 1, wherein the side wall of the bearing body (100) is provided with a first displacement test hole (11) and a second displacement test hole (12), and the first displacement test hole (11) and the second displacement test hole (12) both penetrate through the metal outer lining (101), the first lining layer (102) and the second lining layer (103);
the central axis of the first displacement test hole (11) is perpendicular to the central axis of the second displacement test hole (12).
3. A plain bearing according to claim 2, characterised in that the inner walls of the first displacement test hole (11) and the second displacement test hole (12) are provided with an internal thread matching the eddy current sensor.
4. A plain bearing according to claim 1, characterized in that the side wall of the bearing body (100) is further provided with a third displacement test hole (13), the third displacement test hole (13) penetrating the metal outer lining (101), the first lining layer (102) and the second lining layer (103);
the central axis of the third displacement test hole (13) is parallel to the central axis of the pressure test hole (20), and the central axes are perpendicular to the central axis of the bearing body (100).
5. A plain bearing according to claim 4, characterized in that the inner walls of the third displacement test hole (13) and the pressure test hole (20) are provided with an internal thread matching an eddy current sensor.
6. The sliding bearing according to claim 4, wherein a fourth displacement test hole (14) and a fifth displacement test hole (15) are further formed in the bearing body (100), and the fourth displacement test hole (14) and the fifth displacement test hole (15) are symmetrically distributed on two sides of the third displacement test hole (13) and penetrate through the metal outer lining (101), the first lining (102) and the second lining (103).
7. A plain bearing according to claim 6, characterized in that the inner walls of the fourth displacement test hole (14) and the fifth displacement test hole (15) are provided with an internal thread matching the eddy current sensor.
8. The plain bearing according to claim 6, characterized in that the bearing body (100) is further provided with a sixth displacement test hole (16) and a seventh displacement test hole (17), the sixth displacement test hole (16) and the seventh displacement test hole (17) both penetrating through the metal outer lining (101), the first lining layer (102) and the second lining layer (103), and being evenly distributed on both sides of the third displacement test hole (13);
the sixth displacement test hole (16) is positioned between the fourth displacement test hole (14) and the third displacement test hole, and the seventh displacement test hole (17) is positioned between the fifth displacement test hole (15) and the third displacement test hole (13).
9. A plain bearing according to claim 1, characterized in that the outer wall of the metal outer lining (101) is provided with a first clamping ring (31) and a second clamping ring (32), the angle between the plane of the first clamping ring (31) and the plane of the second clamping ring (32) being larger than 0 ° and smaller than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103588.8U CN210599842U (en) | 2019-07-15 | 2019-07-15 | Sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103588.8U CN210599842U (en) | 2019-07-15 | 2019-07-15 | Sliding bearing |
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| Publication Number | Publication Date |
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| CN210599842U true CN210599842U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921103588.8U Active CN210599842U (en) | 2019-07-15 | 2019-07-15 | Sliding bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219886A (en) * | 2019-07-15 | 2019-09-10 | 西安电子科技大学 | Sliding bearing |
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- 2019-07-15 CN CN201921103588.8U patent/CN210599842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219886A (en) * | 2019-07-15 | 2019-09-10 | 西安电子科技大学 | Sliding bearing |
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