CN215487232U - Bearing bush flow passage structure for lubricating sliding bearing of positive displacement pump - Google Patents
Bearing bush flow passage structure for lubricating sliding bearing of positive displacement pump Download PDFInfo
- Publication number
- CN215487232U CN215487232U CN202120862826.4U CN202120862826U CN215487232U CN 215487232 U CN215487232 U CN 215487232U CN 202120862826 U CN202120862826 U CN 202120862826U CN 215487232 U CN215487232 U CN 215487232U
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- Prior art keywords
- bearing bush
- groove
- bearing
- base body
- lubricating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 19
- 239000010687 lubricating oil Substances 0.000 abstract description 15
- 238000005461 lubrication Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000000945 filler Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model relates to a bearing bush runner structure for lubricating a sliding bearing of a positive displacement pump, which mainly comprises a bearing bush base body I, a bearing bush base body II, a bearing bush upper end surface, a bearing bush lower end surface, a bearing bush outer side surface, a bearing bush inner side surface, an elliptical groove, a spiral groove, a horizontal groove and an oil filling hole, wherein the bearing bush base body I is a hollow body; the oil filling hole is formed in the center of the elliptical groove; the oil filling hole is communicated with the inner side surface of the bearing bush, the elliptical groove, the spiral groove and the horizontal groove; the inner side surface of the bearing bush is provided with an elliptical groove, a spiral groove and a horizontal groove; the spiral groove and the horizontal groove increase the flowing uniformity of lubricating oil, the elliptical groove reduces the oil film pressure on the inner side surface of the bearing bush, and the lubricating effect is better during lubrication; the stay time of the lubricating oil on the inner side surface of the bearing bush is prolonged, and the time gap for adding the lubricating oil is prolonged.
Description
Technical Field
The utility model relates to a bearing bush flow passage structure for lubricating a sliding bearing of a positive displacement pump, and belongs to the field of design of a lubricating flow passage of a sliding bearing.
Background
A displacement pump is a pump that transfers a liquid by utilizing a change in the internal volume of a pump cylinder. The displacement pump mainly comprises a reciprocating pump and a rotor pump; under complicated operating mode, need use high-efficient displacement pump, improve displacement pump slide bearing availability factor and can effectively increase displacement pump availability factor. Lubrication affects the use efficiency of the sliding bearing, is an important and effective means for reducing the surface wear of a friction pair, and is widely applied to various mechanical equipment. The mechanical efficiency of the displacement pump can be effectively improved through lubrication, and the working reliability of the pump is ensured. The lubrication can effectively reduce friction, improve mechanical efficiency and transmission efficiency and reduce power consumption of the pump; the abrasion is reduced, and the service life of each kinematic pair is prolonged; the working surface of the kinematic pair is cooled, the friction heat is taken away, the gap between the working surfaces of the kinematic pair is kept, and seizure or burning caused by overheating of the working surfaces is prevented. The bush runner structure of the sliding bearing can guide lubricating oil into the surface of a kinematic pair formed by the journal and the bearing; the bearing bush flow passage structure has great influence on lubrication.
However, when the sliding bearing works, the condition of uneven lubrication occurs, so that the lubrication performance of the sliding bearing is greatly reduced, and when the sliding bearing is unevenly lubricated, the local temperature of the surface of the bearing bush can be increased due to a large amount of heat generated by friction, the service life of the sliding bearing can be influenced, and the condition of bush burning can be seriously caused. In order to improve the lubricating efficiency, the bearing bush flow passage structure for lubricating the sliding bearing of the positive displacement pump is provided, the structure enlarges the lubricating range of the bearing bush, the lubrication becomes more uniform, and the lubricating effect is improved.
Disclosure of Invention
The utility model aims to solve the problems of poor lubricating effect, short service life and the like of a bearing bush of a displacement pump sliding bearing during working, and provides a bearing bush flow channel structure for lubricating the displacement pump sliding bearing.
The technical scheme adopted by the utility model for realizing the purpose is as follows:
the utility model relates to a bearing bush runner structure for lubricating a sliding bearing of a positive displacement pump, which mainly comprises a bearing bush base body I, a bearing bush base body II, a bearing bush upper end surface, a bearing bush lower end surface, a bearing bush outer side surface, a bearing bush inner side surface, an elliptical groove, a spiral groove, a horizontal groove and an oil injection hole, wherein the bearing bush base body I is a hollow body; the oil filling hole is superposed with the center of the elliptical groove of the first bearing bush base body; the oil filling hole is communicated with the inner side surface of the bearing bush, the elliptical groove, the spiral groove and the horizontal groove; the inner side surface of the bearing bush is provided with an elliptical groove, a spiral groove and a horizontal groove.
And an oil filling hole is formed in the outer side surface of the bearing bush of the first bearing bush base body.
Three spiral grooves are longitudinally arranged on the inner side surface of the bearing bush, three horizontal grooves are transversely arranged on the inner side surface of the bearing bush, and the spiral grooves and the horizontal grooves are arranged in a crossed mode.
Three spiral grooves are longitudinally arranged on the inner side surface of the bearing bush of the second bearing bush base body, three horizontal grooves are transversely arranged on the inner side surface of the bearing bush, and the spiral grooves and the horizontal grooves are arranged in a crossed mode.
An elliptical groove is formed in the inner side face of the bearing bush of the first bearing bush base body, an elliptical groove is formed in the inner side face of the bearing bush of the second bearing bush base body, and the elliptical groove is arranged in an inclined mode at a certain angle.
Compared with the prior art, the utility model has the following advantages: 1. the elliptical groove has an oil storage function, the flowing speed of lubricating oil is reduced, the oil film pressure of the inner surface of the bearing bush is kept, a large load can be borne, the stay time of the lubricating oil on the sliding bearing is prolonged, and the time gap for adding the lubricating oil is prolonged; 2. the direction of the spiral groove and the flowing speed direction of the lubricating oil have an inclination angle, so that the bearing capacity is improved; 3. the elliptical groove, the spiral groove and the horizontal groove are communicated with each other, so that the lubricating effect is uniform, the lubricating range is wider, the lubricating effect is enhanced, and the structure is high in practicability.
Drawings
FIG. 1 is a schematic view of a bushing flow path structure for lubricating a sliding bearing of a positive displacement pump according to the present invention;
FIG. 2 is a schematic view of a bearing shell base for a bearing shell flowpath configuration for a sliding bearing of a lubricated positive displacement pump according to the present invention;
FIG. 3 is a schematic view of a second bearing bush base of the flow passage structure of the bearing bush for lubricating the sliding bearing of the positive displacement pump according to the present invention;
in the figure: 1. a first bearing bush base body; 2. a second bearing bush substrate; 3. the upper end surface of the bearing bush; 4. the lower end surface of the bearing bush; 5. the outer side surface of the bearing bush; 6. the inner side surface of the bearing bush; 7. an elliptical trough; 8. a helical groove; 9. a horizontal groove; 10. and an oil filling hole.
Detailed Description
The utility model is further illustrated by the following figures and examples:
as shown in fig. 1, the bush flow channel structure for lubricating the sliding bearing of the positive displacement pump of the present invention mainly comprises a bush base body one 1, a bush base body two 2, a bush upper end surface 3, a bush lower end surface 4, a bush outer side surface 5, a bush inner side surface 6, an elliptical groove 7, a spiral groove 8, a horizontal groove 9, and an oil filler hole 10; the oil filling hole 10 is superposed with the center of the elliptical groove 7 of the bearing bush base I1; the oil filling hole 10 is communicated with the inner side surface 6 of the bearing bush, the elliptical groove 7, the spiral groove 8 and the horizontal groove 9; the inner side surface 6 of the bearing bush is provided with an elliptical groove 7, a spiral groove 8 and a horizontal groove 9.
As shown in fig. 1, oil injection holes 10 are provided in the bearing shell outer side surface 5 of the bearing shell base body 1.
As shown in fig. 1, three spiral grooves 8 are longitudinally arranged on the inner side surface 6 of the bearing shell, three horizontal grooves 9 are transversely arranged on the inner side surface 6 of the bearing shell, and the spiral grooves 8 and the horizontal grooves 9 are arranged in a crossed manner.
As shown in fig. 2, three spiral grooves 8 are longitudinally arranged on the inner side surface 6 of the bearing shell of the second bearing shell base body 2, three horizontal grooves 9 are transversely arranged on the inner side surface 6 of the bearing shell, and the spiral grooves 8 and the horizontal grooves 9 are arranged in a crossed manner.
As shown in fig. 1 and 2, an elliptical groove 7 is arranged on a bearing inner side surface 6 of the bearing base body one 1, an elliptical groove 7 is arranged on a bearing inner side surface 6 of the bearing base body two 2, and the elliptical groove 7 is arranged at an angle. The working principle is as follows:
lubricating oil flows in through oil filler point 10 on axle bush base member 1, flow direction oval groove 7 that lubricating oil can be even, spiral groove 8, horizontal groove 9, lubricating oil flows out from oil filler point 10, through oval groove 7, spiral groove 8, horizontal groove 9 flows on axle bush medial surface 6, oval groove 7, spiral groove 8, horizontal groove 9 communicates each other, it is even to let the lubrication effect, lubricated scope is wider, the lubrication effect has been strengthened, the practicality of structure is strong, spiral groove 8's direction has inclination with the lubricating oil velocity of flow direction, bearing capacity has been improved, then get into oval groove 7, oval groove 7 has the oil storage function, reduce the velocity of flow of lubricating oil, the oil film pressure of axle bush medial surface 6 has been kept, can bear the heavy load, the time that lubricating oil stayed on the axle bush medial surface increases, the time gap that adds lubricating oil lengthens.
Claims (5)
1. A bearing bush runner structure for lubricating a sliding bearing of a positive displacement pump mainly comprises a bearing bush base body I (1), a bearing bush base body II (2), a bearing bush upper end surface (3), a bearing bush lower end surface (4), a bearing bush outer side surface (5), a bearing bush inner side surface (6), an elliptical groove (7), a spiral groove (8), a horizontal groove (9) and an oil filling hole (10); the method is characterized in that: the oil filling hole (10) is superposed with the center of the elliptical groove (7) of the bearing bush base body I (1); the oil filling hole (10) is communicated with the inner side surface (6) of the bearing bush, the elliptical groove (7), the spiral groove (8) and the horizontal groove (9); the inner side surface (6) of the bearing bush is provided with an elliptical groove (7), a spiral groove (8) and a horizontal groove (9).
2. A bushing flow path structure for lubricating a sliding bearing of a positive displacement pump according to claim 1, wherein: an oil filling hole (10) is formed in the outer side surface (5) of the bearing bush base body I (1).
3. A bushing flow path structure for lubricating a sliding bearing of a positive displacement pump according to claim 1, wherein: three spiral grooves (8) of the first bearing bush base body (1) are longitudinally arranged on the inner side surface (6) of the bearing bush, three horizontal grooves (9) are transversely arranged on the inner side surface (6) of the bearing bush, and the spiral grooves (8) and the horizontal grooves (9) are arranged in a crossed mode.
4. A bushing flow path structure for lubricating a sliding bearing of a positive displacement pump according to claim 1, wherein: three spiral grooves (8) of the second bearing bush base body (2) are longitudinally arranged on the inner side surface (6) of the bearing bush, three horizontal grooves (9) are transversely arranged on the inner side surface (6) of the bearing bush, and the spiral grooves (8) and the horizontal grooves (9) are arranged in a crossed mode.
5. A bushing flow path structure for lubricating a sliding bearing of a positive displacement pump according to claim 1, wherein: an elliptical groove (7) is formed in the inner side surface (6) of the bearing bush of the first bearing bush base body (1), an elliptical groove (7) is formed in the inner side surface (6) of the bearing bush of the second bearing bush base body (2), and the elliptical groove (7) is arranged in an inclined mode at a certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120862826.4U CN215487232U (en) | 2021-04-25 | 2021-04-25 | Bearing bush flow passage structure for lubricating sliding bearing of positive displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120862826.4U CN215487232U (en) | 2021-04-25 | 2021-04-25 | Bearing bush flow passage structure for lubricating sliding bearing of positive displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487232U true CN215487232U (en) | 2022-01-11 |
Family
ID=79775865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120862826.4U Expired - Fee Related CN215487232U (en) | 2021-04-25 | 2021-04-25 | Bearing bush flow passage structure for lubricating sliding bearing of positive displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487232U (en) |
-
2021
- 2021-04-25 CN CN202120862826.4U patent/CN215487232U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |