CN211059055U - Bearing structure - Google Patents
Bearing structure Download PDFInfo
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- CN211059055U CN211059055U CN201922063856.4U CN201922063856U CN211059055U CN 211059055 U CN211059055 U CN 211059055U CN 201922063856 U CN201922063856 U CN 201922063856U CN 211059055 U CN211059055 U CN 211059055U
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- driving end
- bearing
- bearing body
- driving
- pump shaft
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Abstract
A bearing structure belongs to the technical field of bearings, and particularly relates to a bearing structure. The utility model provides a bearing structure with good use effect. The utility model discloses a drive end bearing unit and non-drive end bearing unit, its characterized in that drive end bearing unit include drive end bearing body 4, and the pump shaft passes 4 middle part holes of drive end bearing body, and 4 inner middle part holes of drive end bearing body link to each other with the pump shaft through drive end inner bearing isolator 9, and 4 outer end middle part holes of drive end bearing body link to each other with the pump shaft through the outer bearing isolator 22 of drive end.
Description
Technical Field
The utility model belongs to the technical field of the bearing, especially, relate to a bearing structure.
Background
The bearing is a part for supporting the rotation of the shaft, and the bearing structure of the pump shaft is very important to the working effect of the pump. The bearing structure of the existing pump shaft needs to be further improved.
Disclosure of Invention
The utility model discloses just to above-mentioned problem, a bearing arrangement with good use effect is provided.
In order to realize the purpose, the utility model adopts the following technical scheme that the utility model comprises a driving end bearing part and a non-driving end bearing part, and is characterized in that the driving end bearing part comprises a driving end bearing body 4, a pump shaft passes through the middle hole of the driving end bearing body 4, the middle hole of the inner end of the driving end bearing body 4 is connected with the pump shaft through a driving end inner bearing isolator 9, and the middle hole of the outer end of the driving end bearing body 4 is connected with the pump shaft through a driving end outer bearing isolator 22;
the inner side of a pump shaft in the driving end bearing body 4 is connected with the inner wall of the driving end bearing body 4 through a driving end radial ball bearing 5, a driving end oil slinger ring sleeve 17 is sleeved on a pump shaft at the outer side of the driving end radial ball bearing 5, a driving end washer 20 is sleeved on a pump shaft at the outer end of the driving end oil slinger ring sleeve 17, a second round nut 21 is screwed on the pump shaft at the outer end of the driving end washer 20, and a driving end oil slinger 18 is arranged on the driving end oil slinger ring;
a bearing retainer ring 6 is arranged on the pump shaft at the inner end of the drive end radial ball bearing 5, and the inner end of the bearing retainer ring 6 abuts against the step end face on the pump shaft;
a driving end air relief opening is formed in the driving end bearing body 4, a driving end air relief plug 3 is arranged at the driving end air relief opening, a driving end oil relief opening is formed in the driving end bearing body 4, and a driving end screw plug 19 is arranged at the driving end oil relief opening;
the non-driving end bearing part comprises a non-driving end bearing body 34, the pump shaft penetrates through the middle hole in the inner end of the non-driving end bearing body 34 and then is arranged in the non-driving end bearing body 34, and the middle hole in the inner end of the non-driving end bearing body 34 is connected with the pump shaft through a non-driving end inner bearing isolator 310;
the inner side of a pump shaft in the non-driving end bearing body 34 is connected with the inner wall of the non-driving end bearing body 34 sequentially through a non-driving end bearing sleeve 318 and a non-driving end angular contact ball bearing 36, a non-driving end oil slinger ring 319 is sleeved on a pump shaft at the outer side of the non-driving end angular contact ball bearing 36, a non-driving end washer 322 is sleeved on a pump shaft at the outer end of the non-driving end oil slinger ring 319, a first round nut 323 is screwed on the pump shaft at the outer end of the non-driving end washer 322, and a non-driving end oil;
a non-driving end air relief opening is formed in the non-driving end bearing body 34, a non-driving end air relief plug 33 is arranged at the non-driving end air relief opening, a non-driving end oil relief opening is formed in the non-driving end bearing body 34, and a non-driving end screw plug 321 is arranged at the oil relief opening.
As an optimal solution, drive end bearing body 4 inner is connected with drive end inner bearing cover 7 through second fastener 8, and 4 outer ends of drive end bearing body are connected with drive end outer bearing cover 1 through the fastener.
As another preferred scheme, the inner of non-drive end bearing body 34 is connected with non-drive end inner bearing cover 38 through first fastener 39, and the outer end of non-drive end bearing body 34 is connected with non-drive end outer bearing cover 31 through the fastener.
As another preferred scheme, the cover has bearing adjustment pad 37 on the pump shaft of non-drive end bearing housing 318 inner, and bearing adjustment pad 37 outer end offsets with the epaxial step terminal surface of pump.
As another preferred scheme, be equipped with the oil window of looking that can observe lubricating oil on drive end bearing body 4 and the non-drive end bearing body 34.
As another preferred scheme, the drive end bearing body 4 and the non-drive end bearing body 34 of the present invention are provided with constant position oil cups 10.
Secondly, drive end bearing body 4 lower part is provided with first finned tube 13, and first finned tube 13 one end outer wall links to each other and is connected with first joint 11 through first O type sealing washer 12 and bearing body 4 inner wall, and the first finned tube 13 other end links to each other with drive end bearing body 4 through first plug 14.
Additionally, non-drive end bearing body 34 lower part is provided with second finned tube 314, and second finned tube 314 one end outer wall links to each other and is connected with second joint 312 through second O type sealing washer 313 and non-drive end bearing body 34 inner wall, and the second finned tube 314 other end passes through second plug 315 and links to each other with drive end bearing body 34.
The utility model has the advantages of.
The utility model discloses 4 parts of drive end bearing body mainly bear radial force.
The utility model discloses the bearing passes through bearing retainer ring 6, gets rid of oil ring cover 17 and second round nut 21 and fixes epaxial, prevents that the bearing from moving at the axial cluster.
The utility model discloses seal with bearing isolator 9 between bearing gland 7 and the axle, prevent that grease chamber lubricating oil from outwards revealing.
The utility model discloses be equipped with the relief port above the bearing body 4, be equipped with the air release stopper, can be used as the oil filler point before driving, act as the relief port when the lubricating oil temperature risees during the start-up.
The utility model discloses be equipped with the oil drain hole below the bearing body 4, be equipped with the plug, when lubricating oil needs to be changed, can the oil drain with unscrewing the plug.
The utility model discloses the drive end bearing is a radial ball bearing 5, and non-drive end bearing is a pair of angular contact ball bearing. The whole rotor does not axially float in the operation process, the operation condition of the mechanical seal is greatly improved, the mechanical seal is convenient to replace due to the design of the bearing and the bearing box, and the rotor can stably operate under high power.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.
Fig. 1 and 2 are schematic structural diagrams of the driving end bearing of the present invention.
Fig. 3 and 4 are schematic structural diagrams of the non-drive end bearing of the present invention.
Detailed Description
As shown in the figure, the utility model comprises a driving end bearing part and a non-driving end bearing part, wherein the driving end bearing part comprises a driving end bearing body 4, the pump shaft passes through the middle hole of the driving end bearing body 4, the middle hole of the inner end of the driving end bearing body 4 is connected with the pump shaft through a driving end inner bearing isolator 9, and the middle hole of the outer end of the driving end bearing body 4 is connected with the pump shaft through a driving end outer bearing isolator 22;
the inner side of a pump shaft in the driving end bearing body 4 is connected with the inner wall of the driving end bearing body 4 through a driving end radial ball bearing 5, a driving end oil slinger ring sleeve 17 is sleeved on a pump shaft at the outer side of the driving end radial ball bearing 5, a driving end washer 20 is sleeved on a pump shaft at the outer end of the driving end oil slinger ring sleeve 17, a second round nut 21 is screwed on the pump shaft at the outer end of the driving end washer 20, and a driving end oil slinger 18 is arranged on the driving end oil slinger ring;
a driving end air relief opening is formed in the driving end bearing body 4, a driving end air relief plug 3 is arranged at the driving end air relief opening, a driving end oil relief opening is formed in the driving end bearing body 4, and a driving end screw plug 19 is arranged at the driving end oil relief opening;
the non-driving end bearing part comprises a non-driving end bearing body 34, the pump shaft penetrates through the middle hole in the inner end of the non-driving end bearing body 34 and then is arranged in the non-driving end bearing body 34, and the middle hole in the inner end of the non-driving end bearing body 34 is connected with the pump shaft through a non-driving end inner bearing isolator 310;
the inner side of a pump shaft in the non-driving end bearing body 34 is connected with the inner wall of the non-driving end bearing body 34 sequentially through a non-driving end bearing sleeve 318 and a non-driving end angular contact ball bearing 36, a non-driving end oil slinger ring 319 is sleeved on a pump shaft at the outer side of the non-driving end angular contact ball bearing 36, a non-driving end washer 322 is sleeved on a pump shaft at the outer end of the non-driving end oil slinger ring 319, a first round nut 323 is screwed on the pump shaft at the outer end of the non-driving end washer 322, and a non-driving end oil;
a non-driving end air relief opening is formed in the non-driving end bearing body 34, a non-driving end air relief plug 33 is arranged at the non-driving end air relief opening, a non-driving end oil relief opening is formed in the non-driving end bearing body 34, and a non-driving end screw plug 321 is arranged at the oil relief opening.
The angular contact ball bearings are installed back to back, bear axial force, have the function of axial positioning and prevent the rotor components from moving in the axial direction.
The inner end of the drive end bearing body 4 is connected with a drive end inner bearing gland 7 through a second fastener 8, and the outer end of the drive end bearing body 4 is connected with a drive end outer bearing gland 1 through a fastener.
The inner end of the non-drive end bearing body 34 is connected with a non-drive end inner bearing gland 38 through a first fastener 39, and the outer end of the non-drive end bearing body 34 is connected with a non-drive end outer bearing gland 31 through a fastener.
The pump shaft at the inner end of the non-driving end bearing sleeve 318 is sleeved with a bearing adjusting pad 37, and the outer end of the bearing adjusting pad 37 abuts against the step end face on the pump shaft.
And oil windows 15 for observing lubricating oil are arranged on the driving end bearing body 4 and the non-driving end bearing body 34.
The oil window thread 51 is installed, and the sealing gasket 52 is sealed.
The drive end bearing body 4 and the non-drive end bearing body 34 are provided with constant position oil cups 10, and the constant position oil cups are connected with the bearing body threads 53. After the bearing body 4 is filled with lubricating oil and the specified oil level is observed through the visible oil window, the constant-position oil cup is filled with the lubricating oil and then is installed on the bearing body 4 for oil supplement of the bearing body 4.
The lower part of the driving end bearing body 4 is provided with a first finned tube 13, the outer wall of one end of the first finned tube 13 is connected with the inner wall of the bearing body 4 through a first O-shaped sealing ring 12 and is connected with a first joint 11, and the other end of the first finned tube 13 is connected with the driving end bearing body 4 through a first plug 14.
The lower part of the non-driving end bearing body 34 is provided with a second finned tube 314, the outer wall of one end of the second finned tube 314 is connected with the inner wall of the non-driving end bearing body 34 through a second O-shaped sealing ring 313 and is connected with a second joint 312, and the other end of the second finned tube 314 is connected with the driving end bearing body 34 through a second plug 315.
The bearing lubrication is that lubricating oil is thrown to the bearing for lubrication after the oil slinger 18 rotates, the bearing body 4 and the bearing gland 7 are provided with an oil return groove and an oil return hole, so that the lubricating oil can return to an oil chamber to be well circulated, and the lubricating oil is well cooled through fins and water cooling (the fins enter and exit cooling water) so as to lubricate the bearing.
The bearing body 4 and the bearing gland 7 are provided with an oil return groove 54 and an oil return hole 55, so that lubricating oil can return to an oil chamber and can be well circulated.
And a sealing gasket 56 is arranged between the bearing gland 7 and the bearing body 4, and the sealing gasket 56 can be made of 0.12mm molded paper.
The labyrinth rings 23 are mounted at both ends of the bearing body 4, are made of copper material which does not produce sparks, extend into the inner hole of the bearing gland 7, and are sealed effectively when the vehicle is stopped, so that dust or moisture can be prevented from entering the bearing body, and oil leakage can be prevented.
The angular contact ball bearing can adopt an angular contact ball bearing with a contact angle of 40 degrees, is suitable for heavy axial load, can bear frequent change of the axial load and can bear overturning moment.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (8)
1. A bearing structure comprises a driving end bearing part and a non-driving end bearing part, and is characterized in that the driving end bearing part comprises a driving end bearing body (4), a pump shaft penetrates through a middle hole of the driving end bearing body (4), the middle hole of the inner end of the driving end bearing body (4) is connected with the pump shaft through a driving end inner bearing isolator (9), and the middle hole of the outer end of the driving end bearing body (4) is connected with the pump shaft through a driving end outer bearing isolator (22);
the inner side of a pump shaft in the driving end bearing body (4) is connected with the inner wall of the driving end bearing body (4) through a driving end radial ball bearing (5), a driving end oil slinger ring sleeve (17) is sleeved on a pump shaft at the outer side of the driving end radial ball bearing (5), a driving end gasket (20) is sleeved on a pump shaft at the outer end of the driving end oil slinger ring sleeve (17), a second round nut (21) is screwed on the pump shaft at the outer end of the driving end gasket (20), and a driving end oil slinger (18) is arranged on the driving end oil slinger ring sleeve (17;
a bearing retainer ring (6) is arranged on the pump shaft at the inner end of the drive end radial ball bearing (5), and the inner end of the bearing retainer ring (6) is abutted against the step end face on the pump shaft;
a driving end air relief opening is formed in the driving end bearing body (4), a driving end air relief plug (3) is arranged at the driving end air relief opening, a driving end oil relief opening is formed in the driving end bearing body (4), and a driving end screw plug (19) is arranged at the driving end oil relief opening;
the non-driving end bearing part comprises a non-driving end bearing body (34), the pump shaft penetrates through the middle hole of the inner end of the non-driving end bearing body (34) and then is arranged in the non-driving end bearing body (34), and the middle hole of the inner end of the non-driving end bearing body (34) is connected with the pump shaft through a non-driving end inner bearing isolator (310);
the inner side of a pump shaft in the non-driving end bearing body (34) is connected with the inner wall of the non-driving end bearing body (34) sequentially through a non-driving end bearing sleeve (318) and a non-driving end angular contact ball bearing (36), a non-driving end oil slinger ring sleeve (319) is sleeved on a pump shaft on the outer side of the non-driving end angular contact ball bearing (36), a non-driving end gasket (322) is sleeved on a pump shaft at the outer end of the non-driving end oil slinger ring sleeve (319), a first round nut (323) is screwed on the pump shaft at the outer end of the non-driving end gasket (322), and a non-driving end oil slinger;
a non-driving end air relief opening is formed in the non-driving end bearing body (34), a non-driving end air relief plug (33) is arranged at the non-driving end air relief opening, a non-driving end oil relief hole is formed in the non-driving end bearing body (34), and a non-driving end plug (321) is arranged at the oil relief hole.
2. A bearing construction according to claim 1, characterised in that the drive end bearing body (4) is connected at its inner end with a drive end inner bearing cap (7) by means of a second fastening element (8), and that the drive end bearing body (4) is connected at its outer end with a drive end outer bearing cap (1) by means of a fastening element.
3. A bearing construction according to claim 1, characterised in that the non-drive end bearing body (34) is connected at its inner end with a non-drive end inner bearing cap (38) by means of a first fastening member (39), and at its outer end with a non-drive end outer bearing cap (31) by means of a fastening member.
4. A bearing arrangement according to claim 1, characterised in that the pump shaft at the inner end of the non-drive end bearing housing (318) has a bearing adjustment pad (37) fitted thereon, the outer end of the bearing adjustment pad (37) abutting against a stepped end surface on the pump shaft.
5. A bearing construction according to claim 1, characterized in that the bearing body (4) at the drive end and the bearing body (34) at the non-drive end are provided with oil windows through which the lubrication oil can be observed.
6. A bearing construction according to claim 1, characterised in that the bearing body (4) at the drive end and the bearing body (34) at the non-drive end are provided with a constant position oil cup (10).
7. The bearing structure according to claim 1, characterized in that a first finned tube (13) is arranged at the lower part of the bearing body (4) at the driving end, the outer wall of one end of the first finned tube (13) is connected with the inner wall of the bearing body (4) through a first O-shaped sealing ring (12) and is connected with a first joint (11), and the other end of the first finned tube (13) is connected with the bearing body (4) at the driving end through a first plug (14).
8. The bearing structure according to claim 1, characterized in that a second finned tube (314) is arranged at the lower part of the non-driving-end bearing body (34), the outer wall of one end of the second finned tube (314) is connected with the inner wall of the non-driving-end bearing body (34) through a second O-shaped sealing ring (313) and is connected with a second joint (312), and the other end of the second finned tube (314) is connected with the driving-end bearing body (34) through a second plug (315).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063856.4U CN211059055U (en) | 2019-11-26 | 2019-11-26 | Bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063856.4U CN211059055U (en) | 2019-11-26 | 2019-11-26 | Bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059055U true CN211059055U (en) | 2020-07-21 |
Family
ID=71590169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063856.4U Active CN211059055U (en) | 2019-11-26 | 2019-11-26 | Bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059055U (en) |
-
2019
- 2019-11-26 CN CN201922063856.4U patent/CN211059055U/en active Active
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