CN204152974U - A kind of bearing block structure of paper machine vacuum roll - Google Patents
A kind of bearing block structure of paper machine vacuum roll Download PDFInfo
- Publication number
- CN204152974U CN204152974U CN201420510331.5U CN201420510331U CN204152974U CN 204152974 U CN204152974 U CN 204152974U CN 201420510331 U CN201420510331 U CN 201420510331U CN 204152974 U CN204152974 U CN 204152974U
- Authority
- CN
- China
- Prior art keywords
- bearing
- axle sleeve
- seam portion
- tooth form
- bearing cover
- Prior art date
- 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
Links
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a kind of bearing block structure of paper machine vacuum roll, and it can effectively avoid bearing support oil leak, guarantees lubrication effect, increases the service life.It comprises inside cap, outer bearing cover and bearing, inside cap is installed on axle journal, inside cap is provided with mounting groove, bearing is installed in mounting groove, outer bearing cover is provided with the flange of a circle top dress bearing, outer bearing cover and inside cap are bolted, it is characterized in that: also comprise axle sleeve, axle sleeve mates with bearing inner race, the back shaft of vacuum box is plugged in axle sleeve, axle sleeve outer end is provided with internal tooth form portion, external tooth form portion is provided with outside outer bearing cover, internal tooth form portion engages with external tooth form portion and forms labyrinth structure, the oiler of labyrinth structure is connected by skeleton oil seal.
Description
Technical field
The utility model relates to the supporting structure of paper machine vacuum roll, is specifically related to a kind of bearing block structure of paper machine vacuum roll.
Background technique
Vacuum roll is the important component part of paper machine squeezing structure, existing vacuum roll generally comprises outer roll body and vacuum box, outer roll body both sides are provided with axle journal, vacuum box is built in outer roll body, the back shaft at vacuum box two ends is supported in axle journal by bearing support, one end connecting drive device of back flow side axle journal, realizes rotating at the lower outside roll body of the effect of drive unit, and vacuum box keeps static relative to outer roll body.Due to back flow side axle journal connecting drive device, the bearing support of back flow side is because of the effect of driving force, and the vibration be subject to is comparatively violent, and cause bearing support oil leak, lubrication effect is poor, working life is low.
Model utility content
For the problems referred to above, the utility model provides a kind of bearing block structure of paper machine vacuum roll, and it can effectively avoid bearing support oil leak, guarantees lubrication effect, increases the service life.
Its technological scheme is such, it comprises inside cap, outer bearing cover and bearing, described inside cap is installed on axle journal, described inside cap is provided with mounting groove, described bearing is installed in described mounting groove, described outer bearing cover is provided with the flange that a circle top fills described bearing, described outer bearing cover and described inside cap are bolted, it is characterized in that: also comprise axle sleeve, described axle sleeve mates with described bearing inner race, the back shaft of vacuum box is plugged in described axle sleeve, described axle sleeve outer end is provided with internal tooth form portion, external tooth form portion is provided with outside described outer bearing cover, described internal tooth form portion engages with described external tooth form portion and forms labyrinth structure, the oiler of described labyrinth structure is connected by skeleton oil seal.
It is further characterized in that:
Be positioned at the oiler of described labyrinth structure, described outer bearing cover is provided with the first seam portion, described axle sleeve is provided with the second seam portion, described first seam portion and described second seam portion split form the installation cavity holding described outside framework oil seal, the outer edge surface in the described first seam portion of waist laminating of described outside framework oil seal, the self-tightening helical spring of described outside framework oil seal is positioned at its flexing arm end and is resisted against the outer edge surface in described second seam portion, and the bottom of described outside framework oil seal is resisted against the end face in described first seam portion and the second seam portion and encapsulates described oiler;
Described outer bearing cover interior edge face is fixed with back-up ring, and described back-up ring is arranged along described first seam end surface;
Described axle sleeve is provided with the 3rd seam portion and locking nut, and described bearing exterior edge face is resisted against described 3rd seam portion, its interior edge face is locked by described locking nut.
After adopting structure of the present utility model, its beneficial effect is: axle sleeve outer end is provided with internal tooth form portion, external tooth form portion is provided with outside outer bearing cover, internal tooth form portion engages with external tooth form portion and forms labyrinth structure, the oiler of labyrinth structure is connected by skeleton oil seal, can effectively guarantee bearing support sealability, avoid oil leak, increase the service life; Outside framework oil seal is arranged in the installation cavity that is put together by the first seam portion and the second seam portion, outer bearing cover interior edge face is fixed with back-up ring, and back-up ring is arranged along the first seam end surface, effectively can fix outside framework oil seal, avoid sliding, improve bearing support sealability further; Axle sleeve mates with bearing inner race, the back shaft of vacuum box is plugged in axle sleeve, axle sleeve is provided with the 3rd seam portion and locking nut, bearing exterior edge face is resisted against the 3rd seam portion, its interior edge face is locked by locking nut, effectively can fix the back shaft of vacuum box, reduce the vibration because driving force effect causes, avoid oil leak.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation in Fig. 1 after A place partial enlargement;
Fig. 3 is the mounting structure schematic diagram of the utility model Intermediate shaft sleeve and bearing.
Embodiment
As shown in Figure 1 to Figure 3, comprise inside cap 3, outer bearing cover 5 and bearing 4, inside cap 3 is installed on axle journal 1, inside cap 3 is provided with mounting groove, bearing 4 is installed in mounting groove, outer bearing cover 5 is provided with the flange 7 of a circle top dress bearing, outer bearing cover 5 and inside cap 3 are bolted, also comprise axle sleeve 6, axle sleeve 6 mates with bearing inner race, the back shaft 2 of vacuum box is plugged in axle sleeve 6, axle sleeve 6 outer end is provided with internal tooth form portion 9, external tooth form portion 8 is provided with outside outer bearing cover 5, internal tooth form portion engages with external tooth form portion and forms labyrinth structure, the oiler 13 of labyrinth structure is tightly connected by outside framework oil seal 10, be positioned at the oiler of labyrinth structure, outer bearing cover 5 is provided with the first seam portion 11, axle sleeve 6 is provided with the second seam portion 12, first seam portion 11 and the second seam portion 12 split form the installation cavity holding outside framework oil seal 10, the waist of outside framework oil seal 10 is fitted the outer edge surface in the first seam portion 11, the self-tightening helical spring 15 of outside framework oil seal 10 is positioned at its flexing arm 14 end and is resisted against the outer edge surface in the second seam portion 12, and the bottom of outside framework oil seal is resisted against the end face in the first seam portion and the second seam portion and is encapsulated into hydraulic fluid port 13, outer bearing cover 5 interior edge face is fixed with back-up ring, and back-up ring is arranged along the first seam end surface, axle sleeve 6 is provided with the 3rd seam portion and locking nut, and bearing exterior edge face is resisted against the 3rd seam portion, its interior edge face is locked by locking nut.
Claims (4)
1. the bearing block structure of a paper machine vacuum roll, it comprises inside cap, outer bearing cover and bearing, described inside cap is installed on axle journal, described inside cap is provided with mounting groove, described bearing is installed in described mounting groove, described outer bearing cover is provided with the flange that a circle top fills described bearing, described outer bearing cover and described inside cap are bolted, it is characterized in that: also comprise axle sleeve, described axle sleeve mates with described bearing inner race, the back shaft of vacuum box is plugged in described axle sleeve, described axle sleeve outer end is provided with internal tooth form portion, external tooth form portion is provided with outside described outer bearing cover, described internal tooth form portion engages with described external tooth form portion and forms labyrinth structure, the oiler of described labyrinth structure is connected by skeleton oil seal.
2. the bearing block structure of a kind of paper machine vacuum roll according to claim 1, it is characterized in that: the oiler being positioned at described labyrinth structure, described outer bearing cover is provided with the first seam portion, described axle sleeve is provided with the second seam portion, described first seam portion and described second seam portion split form the installation cavity holding described outside framework oil seal, the outer edge surface in the described first seam portion of waist laminating of described outside framework oil seal, the self-tightening helical spring of described outside framework oil seal is positioned at its flexing arm end, and be resisted against the outer edge surface in described second seam portion, the bottom of described outside framework oil seal is resisted against the end face in described first seam portion and the second seam portion, and encapsulate described oiler.
3. the bearing block structure of a kind of paper machine vacuum roll according to claim 2, is characterized in that: described outer bearing cover interior edge face is fixed with back-up ring, and described back-up ring is arranged along described first seam end surface.
4. the bearing block structure of a kind of paper machine vacuum roll according to claim 3, it is characterized in that: described axle sleeve is provided with the 3rd seam portion and locking nut, described bearing exterior edge face is resisted against described 3rd seam portion, its interior edge face locked by described locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510331.5U CN204152974U (en) | 2014-09-05 | 2014-09-05 | A kind of bearing block structure of paper machine vacuum roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510331.5U CN204152974U (en) | 2014-09-05 | 2014-09-05 | A kind of bearing block structure of paper machine vacuum roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152974U true CN204152974U (en) | 2015-02-11 |
Family
ID=52511093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420510331.5U Expired - Fee Related CN204152974U (en) | 2014-09-05 | 2014-09-05 | A kind of bearing block structure of paper machine vacuum roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134795A (en) * | 2015-08-10 | 2015-12-09 | 苏州普京真空技术有限公司 | Vacuum roller and bearing lubricating mechanism |
-
2014
- 2014-09-05 CN CN201420510331.5U patent/CN204152974U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134795A (en) * | 2015-08-10 | 2015-12-09 | 苏州普京真空技术有限公司 | Vacuum roller and bearing lubricating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |