CN214837320U - Thin oil lubrication bearing part of horizontal centrifugal pump with high lubrication efficiency - Google Patents
Thin oil lubrication bearing part of horizontal centrifugal pump with high lubrication efficiency Download PDFInfo
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- CN214837320U CN214837320U CN202121053619.0U CN202121053619U CN214837320U CN 214837320 U CN214837320 U CN 214837320U CN 202121053619 U CN202121053619 U CN 202121053619U CN 214837320 U CN214837320 U CN 214837320U
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Abstract
A thin oil lubrication bearing part of a horizontal centrifugal pump with high lubrication efficiency comprises a shaft of the horizontal centrifugal pump, wherein the shaft is movably arranged in a bearing box body; a left oil collecting tank is fixed on the right end of the cylindrical roller bearing; a right oil collecting groove is fixed on the upper surface of the left end of the angular contact ball bearing; a right oil return hole is formed between the lower surface of the angular contact ball bearing and the bearing box body; a left oil return hole is formed between the lower surface of the cylindrical roller bearing and the bearing box body, and an oil-carrying device is fixed on a shaft in the middle of a box body cavity through a threaded mounting hole by using a screw. The utility model discloses an improve the utilization ratio of lubricating oil, the lubricated cooling effect of reinforcing has prolonged bearing unit life.
Description
Technical Field
The utility model belongs to a bearing unit, in particular to lubricated efficient horizontal centrifugal pump thin oil lubrication bearing unit.
Background
Horizontal centrifugal pump bearings in the industry are generally lubricated by splashing lubricating oil from oil slingers, namely one or two oil slingers penetrating through a shaft are placed in a bearing box body, and the oil slingers move freely in the bearing box body during rotation. The oil slinger has a rectangular structure, the oil amount is little at each time, oil mist or oil drops generated by splashing can not be oriented and can reach the bearing in a certain time, the utilization rate of lubricating oil is low, the bearing can not be effectively lubricated and cooled, and particularly when a pump delivers high-temperature media and the load is high, the splashing lubrication of the existing oil slinger can not meet the requirement of lubrication and cooling, the service life of a bearing part is shortened, and the safe operation of the pump is influenced.
Disclosure of Invention
The invention aims to solve the technical problems and provides a thin oil lubricating bearing part of a horizontal centrifugal pump, which is provided with oil guide holes and oil collecting grooves on the left and right sides of a bearing box body, an oil carrying device is arranged in a bearing box body cavity in the middle of a shaft, the oil carrying device rotates along with the shaft to continuously splash thin oil in the bearing box body cavity onto the box body cavity, the thin oil freely falls back into the oil grooves, and the bearing is lubricated through the oil guide holes.
The utility model provides a technical scheme of technical problem's adoption is: a lubricating bearing component of a horizontal centrifugal pump with high lubricating efficiency comprises a shaft of the horizontal centrifugal pump, wherein the shaft is movably arranged in a bearing box body, the left end of the bearing box body is coaxially provided with a left bearing gland, the left surface of the left bearing gland is provided with a left dustproof disc, and the right side of the left bearing gland is provided with a cylindrical roller bearing; the right side of the shaft is also movably arranged in the bearing box body, a right bearing cover is fixed at the right end of the bearing box body by bolts, and a right dustproof cover is arranged at the right side of the right bearing cover; an angular contact ball bearing is arranged between the shaft and the bearing box body, and a locking nut is arranged on the right side of the angular contact ball bearing; the upper surface of the left circumference of the bearing box body is in threaded connection with a screw lifting ring and an air drain plug, and the lower surface of the bearing box body is provided with a magnetic oil drain plug; thin oil is filled in the cavity of the box body; it is characterized in that the left end of the bearing box body is provided with a left oil guide hole, and the right end is provided with a right oil guide hole; the oil guide holes are communicated with the cavity of the box body, and the left oil guide groove is communicated with the cylindrical roller bearing; the right oil guide hole is communicated with the angular contact ball bearing; a left oil collecting tank is fixed on the right end of the cylindrical roller bearing; a right oil collecting groove is fixed on the upper surface of the left end of the angular contact ball bearing; a right oil return hole is formed between the lower surface of the angular contact ball bearing and the bearing box body; a left oil return hole is formed between the lower surface of the cylindrical roller bearing and the bearing box body, and the left oil return hole and the right oil return hole are communicated with the box body cavity; and a shaft in the middle of the box body cavity is fixed with an oil-carrying device through a threaded mounting hole by a screw.
The oil carrying device comprises a V-shaped oil groove arranged in the middle of an oil carrying device body, oil carrying grooves arranged on two sides of the V-shaped oil groove, and release inclined planes arranged on the oil carrying grooves; three threaded mounting holes are formed in the circumference of the body with the oil feeder, and a shaft hole is formed in the center of the body.
The utility model has the advantages that: the utility model discloses an improve the utilization ratio of lubricating oil, the lubricated cooling effect of reinforcing has prolonged bearing unit life.
Drawings
The following description is made in detail by way of example with reference to the accompanying drawings.
FIG. 1 is a front view of a thin oil lubricated bearing component of a high lubrication efficiency horizontal centrifugal pump;
FIG. 2 is a front view of the bearing housing 2 of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
fig. 4 is a front view of the oil carrier 5 in fig. 1;
fig. 5 is a right side view of fig. 4.
In the figure: 1-axis; 2-bearing housing; 2-1-a left oil guide hole; 2-2 left oil sump; 2-3-right oil collecting tank; 2-4-right oil guide hole; 2-5-right oil return hole; 2-6-left oil return hole; 3-a screw eye; 4-a gas release plug; 5-oil-carrying device; 5-1-V type oil groove; 5-2-with an oil groove; 5-3-release ramp; 5-4-a threaded mounting hole; 5-5-axle hole; 6-locking the nut; 7-right dustproof plate; 8-right bearing gland; 8-1-bolt; 9-angular contact ball bearings; 10-magnetic oil drain plug; 11-cylindrical roller bearings; 12-a left bearing gland; 13-left dustproof disc; 14-a tank cavity; 15-thin oil.
Detailed Description
In the embodiment, referring to the attached drawings, the thin oil lubricating bearing component of the horizontal centrifugal pump with high lubricating efficiency comprises a shaft 1 of the horizontal centrifugal pump, wherein the shaft 1 is movably arranged in a bearing box body 2, a left bearing gland 12 is coaxially arranged at the left end 1 of the bearing box body 2, a left dustproof disc 13 is arranged on the left surface of the left bearing gland 12, and a cylindrical roller bearing 11 is arranged on the right side of the left bearing gland 12; the right side of the shaft 1 is also movably arranged in the bearing box body 2, a right bearing cover 8 is fixed at the right end of the bearing box body 2 by a bolt 8-1, and a right dustproof cover 7 is arranged at the right side of the right bearing cover 8; an angular contact ball bearing 9 is arranged between the shaft 1 and the bearing box body 2, and a locking nut 6 is arranged on the right side of the angular contact ball bearing 9; a screw lifting ring 3 and an air bleed plug 4 are screwed on the left circumference of the bearing box body 2, and a magnetic oil bleed plug 10 is arranged below the screw lifting ring and the air bleed plug; thin oil 15 is filled in the box body cavity 14; it is characterized in that the left end of the bearing box body 2 is provided with a left oil guide hole 2-1, and the right end is provided with a right oil guide hole 2-4; the oil guide holes are communicated with the box body cavity 14, and the left oil guide hole 2-1 is communicated with the cylindrical roller bearing 11; the right oil guide hole 2-4 is communicated with an angular contact ball bearing 9; a left oil collecting tank 2-2 is fixed on the upper surface of the right end of the cylindrical roller bearing 11; a right oil collecting groove 2-3 is fixed on the upper surface of the left end of the angular contact ball bearing 9; a right oil return hole 2-5 is formed between the lower surface of the angular contact ball bearing 9 and the bearing box body 2; a left oil return hole 2-6 is formed between the lower surface of the cylindrical roller bearing 11 and the bearing box body 2, and the left oil return hole and the right oil return hole are communicated with a box body cavity 14; a grease-carrying device 5 is screwed to the shaft 1 in the middle of the chamber 14 through the threaded mounting holes 5-4.
The oil carrying device 5 comprises a V-shaped oil groove 5-1 arranged in the middle of the oil carrying device 5 body, oil carrying grooves 5-2 arranged on two sides of the V-shaped oil groove 5-1, and release inclined planes 5-3 arranged on the oil carrying grooves 5-2; three threaded mounting holes 5-4 are arranged on the circumference of the body of the oil feeder 5, and a shaft hole 5-5 is arranged in the center of the body.
The oil-carrying device 5 rotates with the shaft 1 to continuously carry out the thin oil 15 in the tank chamber 14, and the lubricating thin oil 15 is splashed above the tank chamber 14 by centrifugal force (as shown by radial arrows). The lubricating thin oil 5 falls into the left oil guide groove 2-1 and the right oil guide groove 2-4 on the upper surface to lubricate the cylindrical roller bearing 11 and the angular contact ball bearing 9, and returns to the surface of the box body cavity 14 through the left and right oil guide grooves on the lower surface after being lubricated.
Claims (2)
1. A thin oil lubricating bearing component of a horizontal centrifugal pump with high lubricating efficiency comprises a shaft (1) of the horizontal centrifugal pump, wherein the shaft (1) is movably arranged in a bearing box body (2), the left end of the bearing box body (2) is coaxially (1) provided with a left bearing gland (12), the left surface of the left bearing gland (12) is provided with a left dustproof disc (13), and the right side of the left bearing gland (12) is provided with a cylindrical roller bearing (11); the right side of the shaft (1) is also movably arranged in the bearing box body (2), a right bearing cover (8) is fixed at the right end of the bearing box body (2) by a bolt (8-1), and a right dustproof cover (7) is arranged at the right side of the right bearing cover (8); an angular contact ball bearing (9) is arranged between the shaft (1) and the bearing box body (2), and a locking nut (6) is arranged on the right side of the angular contact ball bearing (9); a screw lifting ring (3) and an air release plug (4) are in threaded connection with the upper surface of the left side circumference of the bearing box body (2), and a magnetic oil release plug (10) is arranged below the bearing box body; thin oil (15) is filled in the box body cavity (14); it is characterized in that the left end of the bearing box body (2) is provided with a left oil guide hole (2-1), and the right end is provided with a right oil guide hole (2-4); the oil guide holes are all communicated with the box body cavity (14), and the left oil guide hole (2-1) is communicated with the cylindrical roller bearing (11); the right oil guide hole (2-4) is communicated with an angular contact ball bearing (9); a left oil collecting tank (2-2) is fixed on the upper surface of the right end of the cylindrical roller bearing (11); a right oil collecting groove (2-3) is fixed on the upper surface of the left end of the angular contact ball bearing (9); a right oil return hole (2-5) is formed between the lower surface of the angular contact ball bearing (9) and the bearing box body (2); a left oil return hole (2-6) is formed between the lower surface of the cylindrical roller bearing (11) and the bearing box body (2), and the left oil return hole and the right oil return hole are communicated with a box body cavity (14); an oil-carrying device (5) is fixed on the shaft (1) in the middle of the box body cavity (14) through a screw thread mounting hole (5-4) by a screw.
2. The thin oil lubricating bearing component of the horizontal centrifugal pump with high lubricating efficiency as claimed in claim 1, wherein the oil carrier (5) comprises a V-shaped oil groove (5-1) arranged in the middle of the oil carrier (5) body, oil carrying grooves (5-2) arranged on two sides of the V-shaped oil groove (5-1), and a release inclined surface (5-3) arranged on the oil carrying groove (5-2); three threaded mounting holes (5-4) are arranged on the circumference of the body with the oil feeder (5), and a shaft hole (5-5) is arranged in the center of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121053619.0U CN214837320U (en) | 2021-05-17 | 2021-05-17 | Thin oil lubrication bearing part of horizontal centrifugal pump with high lubrication efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121053619.0U CN214837320U (en) | 2021-05-17 | 2021-05-17 | Thin oil lubrication bearing part of horizontal centrifugal pump with high lubrication efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837320U true CN214837320U (en) | 2021-11-23 |
Family
ID=78774708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121053619.0U Active CN214837320U (en) | 2021-05-17 | 2021-05-17 | Thin oil lubrication bearing part of horizontal centrifugal pump with high lubrication efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837320U (en) |
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2021
- 2021-05-17 CN CN202121053619.0U patent/CN214837320U/en active Active
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