CN217481774U - Bearing sealing structure for powder selecting machine in cement manufacturing - Google Patents
Bearing sealing structure for powder selecting machine in cement manufacturing Download PDFInfo
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- CN217481774U CN217481774U CN202221437224.5U CN202221437224U CN217481774U CN 217481774 U CN217481774 U CN 217481774U CN 202221437224 U CN202221437224 U CN 202221437224U CN 217481774 U CN217481774 U CN 217481774U
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- bearing
- lubricating grease
- storage cavity
- grease storage
- rotating shaft
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Abstract
The utility model discloses a bearing seal structure that is arranged in cement to make selection powder machine, include: a bearing seat and a lubricating grease storage cavity; a bearing is arranged in the bearing block, and a rotating shaft is sleeved in the bearing; the lubricating grease storage cavity is of a cylindrical structure, the lubricating grease storage cavity is sleeved on the rotating shaft, one end of the lubricating grease storage cavity is connected with the end part of the bearing seat through a bolt, the other end of the lubricating grease storage cavity extends inwards to form an annular inner edge, and a packing is arranged between the annular inner edge and the rotating shaft; a lubricating grease layer is arranged between the lubricating grease storage cavity and the rotating shaft. This seal structure stores chamber and inside lubricating grease layer through skeleton oil blanket combination lubricating grease and seals the bearing towards the inside one side of selection powder machine, forms the multilayer protection, and the effectual bearing and dust direct contact of having avoided prolongs bearing life.
Description
Technical Field
The utility model relates to a bearing seal technical field, concretely relates to bearing seal structure that is arranged in cement to make selection powder machine.
Background
Powder separators are commonly used in the production of building materials; the powder concentrator is suitable for grading equipment in a closed circuit system for grinding cement and raw meal, and can also be used as grading equipment for materials such as limestone, quicklime, coal, coke and the like.
The powder concentrator commonly used in cement plants is an O-SEPA dynamic powder concentrator, and the transmission mode is upper transmission and upper and lower two-disc bearings. The lower bearing is positioned inside the powder concentrator, and when the powder concentrator is in normal operation, the dust inside the powder concentrator is large, and the working condition inside the powder concentrator is poor. The bearing is easy to feed dust, and the abrasion loss of the shaft and the oil seal is large. And the dust enters the inside of the bearing, so that the accelerated wear of the bearing and the pollution of lubricating oil are easily caused, the efficiency of the powder concentrator is reduced, frequent faults occur, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides a bearing seal structure for selecting powder machine among cement manufacturing, include: a bearing seat and a lubricating grease storage cavity; a bearing is arranged in the bearing seat, and a rotating shaft is sleeved in the bearing; the lubricating grease storage cavity is of a cylindrical structure, the lubricating grease storage cavity is sleeved on the rotating shaft, one end of the lubricating grease storage cavity is connected with the end part of the bearing seat through a bolt, the other end of the lubricating grease storage cavity extends inwards to form an annular inner edge, and a packing is arranged between the annular inner edge and the rotating shaft; and a lubricating grease layer is arranged between the lubricating grease storage cavity and the rotating shaft.
Preferably, the bearing seat is provided with a framework oil seal, and one side of the bearing, which faces the interior of the powder concentrator, is sealed.
Preferably, the end of the grease storage cavity connected with the bearing seat is provided with an annular outer edge outwards, and the grease storage cavity is connected with the bearing seat through a bolt on the annular outer edge.
Preferably, the outer side of one end of the lubricating grease storage cavity with the annular inner edge is connected with a baffle ring through a bolt, and the baffle ring is sleeved on the rotating shaft and has a gap with the rotating shaft.
Preferably, the packing adopts a graphite packing.
Preferably, the lubricating grease storage cavity is of a cylindrical structure formed by splicing a half-cylindrical structure I and a half-cylindrical structure II, a bulge is arranged on the splicing surface of the half-cylindrical structure I, a groove is formed in the splicing surface of the half-cylindrical structure II, the bulge is matched with the groove, and a rubber pad is arranged in the groove.
Compared with the prior art, the utility model, following beneficial effect has:
the sealing structure seals one side of the bearing, which faces the interior of the powder concentrator, through the combination of the framework oil seal, the lubricating grease storage cavity and the internal lubricating grease layer, so that multilayer protection is formed, the direct contact between the bearing and dust is effectively avoided, and the service life of the bearing is prolonged; the operation of the powder concentrator is smooth, and the failure probability and the maintenance cost of the powder concentrator are reduced; the lubricating grease storage cavity adopts a splicing mode, so that the lubricating grease storage cavity is convenient to disassemble and replace.
Drawings
FIG. 1 is a structural view of a bearing sealing structure of a powder concentrator used in cement manufacturing according to the present invention;
FIG. 2 is a disassembled structural view of a bearing sealing structure of the powder selecting machine for cement manufacturing according to the present invention;
FIG. 3 is a sectional view of a bearing sealing structure of the powder concentrator for manufacturing cement according to the present invention;
fig. 4 is a structural view of a grease storage chamber in another embodiment of the bearing seal structure of the powder concentrator for cement manufacture according to the present invention.
In the figure: the bearing seat comprises a bearing seat 1, a bearing 2, a framework oil seal 3, a lubricating grease storage cavity 4, a baffle ring 5, a rotating shaft 6, a packing 7, a lubricating grease layer 8, a first semi-cylindrical structure 41, a second semi-cylindrical structure 42, a protrusion 411 and a groove 421.
Detailed Description
The drawings in the embodiments of the present invention will be combined; to the technical scheme in the embodiment of the utility model, clearly, describe completely:
as shown in fig. 1 to 3, in a first embodiment of the present invention, a bearing sealing structure for a powder concentrator in cement manufacturing includes: a bearing seat 1 and a lubricating grease storage cavity 4; a bearing 2 is arranged in the bearing seat 1, and a rotating shaft 6 is sleeved in the bearing 2 (the bearing positioned at the lower part in the powder concentrator); the lubricating grease storage cavity 4 is of a cylindrical structure, the lubricating grease storage cavity 4 is sleeved on the rotating shaft 6, and one end of the lubricating grease storage cavity is connected with the end part of the bearing seat 1 through a bolt to realize disassembly; the other end extends inwards to form an annular inner edge, and a packing 7 is arranged between the annular inner edge and the rotating shaft 6; a lubricating grease layer 8 is arranged between the lubricating grease storage cavity 4 and the rotating shaft 6; the bearing 2 is sealed towards one side of the powder concentrator through the lubricating grease storage cavity 4 and the internal lubricating grease layer 8, so that dust pollution is prevented.
Specifically, in the above embodiment, the bearing seat 1 is provided with the skeleton oil seal 3, which seals one side of the bearing 2 facing the inside of the powder concentrator, and forms a multi-layer protection by cooperating with the lubricating grease storage chamber 4 and the internal lubricating grease layer 8, thereby further improving the protection of the bearing 2.
Specifically, in the above embodiment, the end of the grease storage chamber 4 connected to the bearing seat 1 is provided with an annular outer edge, and the grease storage chamber 4 is connected to the bearing seat 1 by a bolt on the annular outer edge. The bolt is convenient to disassemble and the lubricating grease in the bolt is convenient to replace.
Specifically, in the above embodiment, the outer side of one end of the grease storage chamber 4 with the annular inner edge is connected with the baffle ring 5 through a bolt, and the baffle ring 5 is sleeved on the rotating shaft 6 and has a gap with the rotating shaft 6. The packing 7 is blocked.
Specifically, in the above embodiment, the packing 7 is a graphite packing; the lubricating grease has the advantages of good self-lubricating property, small friction coefficient and corrosion resistance.
As shown in fig. 4, in a second embodiment of the present invention, the grease storage chamber 4 is a cylindrical structure formed by splicing a first half-cylindrical structure 41 and a second half-cylindrical structure 42, a protrusion 411 is disposed on a splicing surface of the first half-cylindrical structure 41, a groove 421 is disposed on a splicing surface of the second half-cylindrical structure 42, the protrusion 411 is matched with the groove 421, and a rubber pad is disposed in the groove 421; when the lubricating grease is replaced, the old lubricating grease in the lubricating grease can be conveniently cleaned.
When the structure is used, the structures such as the grease storage cavity 4 and the like are arranged in the powder concentrator, and one side of the bearing 2 facing the interior of the powder concentrator is sealed by combining the framework oil seal 3 with the grease storage cavity 4 and the internal grease layer 8; during the maintenance, pull down the bolt at 4 both ends in chamber is stored to the grease, two half tubular structure separation in chamber 4 are stored to the grease, drive pivot 6 and the remaining lubricating grease of chamber 4 inside is stored to the grease, install on bearing frame 1 after storing chamber 4 concatenation with the grease again, then, in the lubricating grease store chamber 4 annular along with the pivot 6 in the space between stretch into lubricating grease through the long tube and store filling lubricating grease in the chamber 4, fill up the back, installation packing 7, will keep off ring 5 at last and fix on chamber 4 is stored to the grease.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts should be covered by the protection scope of the present invention.
Claims (6)
1. A bearing seal structure for a powder concentrator in cement manufacturing comprises: a bearing seat and a lubricating grease storage cavity; the method is characterized in that: a bearing is arranged in the bearing seat, and a rotating shaft is sleeved in the bearing; the lubricating grease storage cavity is of a cylindrical structure, the lubricating grease storage cavity is sleeved on the rotating shaft, one end of the lubricating grease storage cavity is connected with the end part of the bearing seat through a bolt, the other end of the lubricating grease storage cavity extends inwards to form an annular inner edge, and a packing is arranged between the annular inner edge and the rotating shaft; and a lubricating grease layer is arranged between the lubricating grease storage cavity and the rotating shaft.
2. The bearing seal structure for the cement manufacturing powder concentrator as claimed in claim 1, wherein: and the bearing seat is provided with a framework oil seal, and one side of the bearing, which faces the interior of the powder concentrator, is sealed.
3. The bearing sealing structure for the cement manufacturing cement selecting machine according to claim 2, characterized in that: the lubricating grease storage cavity is connected with the bearing seat through a bolt on the annular outer edge.
4. The bearing sealing structure for the cement manufacturing cement selecting machine according to claim 3, characterized in that: the outer side of one end of the lubricating grease storage cavity with the annular inner edge is connected with a baffle ring through a bolt, and the baffle ring is sleeved on the rotating shaft and has a gap with the rotating shaft.
5. The bearing seal structure for the cement manufacturing powder concentrator as claimed in claim 1, wherein: the packing adopts graphite packing.
6. The bearing sealing structure for the cement manufacturing powder concentrator as claimed in claim 4, wherein: the lubricating grease storage cavity is of a cylindrical structure formed by splicing a half-cylindrical structure I and a half-cylindrical structure II, a bulge is arranged on the splicing surface of the half-cylindrical structure I, a groove is arranged on the splicing surface of the half-cylindrical structure II, the bulge is matched with the groove, and a rubber pad is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221437224.5U CN217481774U (en) | 2022-06-09 | 2022-06-09 | Bearing sealing structure for powder selecting machine in cement manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221437224.5U CN217481774U (en) | 2022-06-09 | 2022-06-09 | Bearing sealing structure for powder selecting machine in cement manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481774U true CN217481774U (en) | 2022-09-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221437224.5U Active CN217481774U (en) | 2022-06-09 | 2022-06-09 | Bearing sealing structure for powder selecting machine in cement manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481774U (en) |
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2022
- 2022-06-09 CN CN202221437224.5U patent/CN217481774U/en active Active
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