CN201416125Y - Seal device for rotation shaft of pressure screen - Google Patents
Seal device for rotation shaft of pressure screen Download PDFInfo
- Publication number
- CN201416125Y CN201416125Y CN2009200260855U CN200920026085U CN201416125Y CN 201416125 Y CN201416125 Y CN 201416125Y CN 2009200260855 U CN2009200260855 U CN 2009200260855U CN 200920026085 U CN200920026085 U CN 200920026085U CN 201416125 Y CN201416125 Y CN 201416125Y
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- CN
- China
- Prior art keywords
- ring
- stationary
- stationary seat
- axle sleeve
- rotating
- 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
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Abstract
The utility model relates to a seal device for rotation shaft of pressure screen. A locating stud is arranged on a stationary seat to match with a stud way arranged at the bottom of a stationary ring,a first seal ring and a plurality of springs are arranged between the stationary seat and the stationary ring, and a second seal ring is arranged outside the stationary seat. A rotating ring is arranged tightly on the stationary ring, a shaft sleeve is arranged on the inner side of the rotating ring and the stationary ring, the rotating ring is connected with the shaft sleeve through a shifting fork, a retainer ring for jacketing an upper end of the shaft sleeve is arranged above the rotating ring, and a plurality of bolt holes are correspondingly arranged on the retainer ring and the shaft sleeve. A third seal ring is arranged between the rotating ring and the shaft sleeve, a fourth seal ring is arranged between the retainer ring and the shaft sleeve, and a fifth seal ring and a sixth seal ring are respectively arranged on an upper portion and a lower portion of the inner wall of the shaft sleeve. Pluralities of mounting holes are arranged along the circumferential edge of the stationary seat. The seal device for rotation shaft of pressure screen has the advantages of convenient transportation and installation and reliable closure, and lengthens service life of pressure screens,reduces loss of enterprise, and lowers cost.
Description
Technical field:
The utility model relates to a kind of sealing device of screening installation, especially a kind of pressurized screen rotation shaft seal.
Background technology:
Pulp screen is one of requisite visual plant in the Waste Paper Handling process, and screening can be removed plurality of impurities, such as lumps, sicker, hot-melt object, chip etc.Current in the Waste Paper Handling process of pulping and paper-making production line, the pulp screen overwhelming majority of using is pressurized screen, the screening area of pressurized screen mainly is made up of a screen cylinder cylindraceous and rotor, when rotor rotates, epitrochanterian blade is producing waterpower pulse near sieve plate face place, to sieve from the paper pulp of pump for mortar transmission, the reliability and the efficient of pressurized screen work are decided by rotor, but general common single-ended mechanical seal and the packing_seal of adopting of the rotation shaft seal of existing rotor, these sealing device shortcomings are, the installation and maintenance trouble, it is unreliable to seal, and easily leaks, service life is short, very easily caused the damage of miscellaneous equipment once lose efficacy, influenced the normal operation of pressurized screen, caused great loss to enterprise.
The utility model content:
The utility model provides a kind of pressurized screen rotation shaft seal, and it is simple in structure, easy transportation and installation, and sealing is reliable, has prolonged the service life of pressurized screen, has reduced enterprises' loss, has saved cost, has solved problems of the prior art.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: it comprises stationary seat, the alignment pin that the cotter way of the stationary ring bottom above being provided with it on the stationary seat matches, between about stationary seat and the stationary ring, be provided with several springs, between stationary seat and stationary ring, be provided with first sealing ring, be provided with second sealing ring in the stationary seat outside; Closely contact is connected with rotating ring above stationary ring, inboard at rotating ring and stationary ring is provided with axle sleeve, rotating ring links to each other with axle sleeve by fork, above rotating ring, be provided with back-up ring, shield ring sleeve is contained in axle sleeve upper end, and corresponding several bolts hole that is provided with on back-up ring and axle sleeve are provided with the 3rd sealing ring between rotating ring and axle sleeve, between back-up ring and axle sleeve, be provided with the 4th sealing ring, be respectively equipped with the 5th sealing ring and the 6th sealing ring in the upper and lower of the inwall of axle sleeve; Circumferential edges at stationary seat is provided with several installing holes.
Evenly be provided with several locating pieces on the circumference of stationary seat, locating piece is fixed on the stationary seat by bolt, and the projection of locating piece upper end snaps in the groove of rotating ring.
The utility model is simple in structure, sealing is reliable, slip is low, at rotating ring and stationary ring inboard axle sleeve is set, has avoided the damage of the rotating shaft that causes because of sealing device is unreliable, reduced fault power time, make the usage ratio of equipment height, and then the service life of having improved pressurized screen, reduced enterprises' loss, saved cost; Locating piece is set on stationary seat, and the projection of locating piece upper end snaps in the groove of rotating ring, makes easy transportation and installation, has guaranteed the installation reliability of sealing device.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A portion enlarged drawing among Fig. 1.
Among the figure, 1, stationary seat; 2, stationary ring; 3, alignment pin; 4, spring; 5, first sealing ring; 6, second sealing ring; 7, rotating ring; 8, axle sleeve; 9, back-up ring; 10, bolt hole; 11, the 3rd sealing ring; 12, the 4th sealing ring; 13, the 5th sealing ring; 14, the 6th sealing ring; 15, installing hole; 16, locating piece; 17, bolt; 18, projection; 19, groove; 20, cotter way.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
Shown in Fig. 1～2, the utility model comprises stationary seat 1, the alignment pin 3 that the cotter way 20 of stationary ring 2 bottoms above being provided with it on the stationary seat 1 matches, between stationary seat 1 and stationary ring are about in the of 2, be provided with several springs 4, between stationary seat 1 and stationary ring 2, be provided with first sealing ring 5, be provided with second sealing ring 6 in stationary seat 1 outside; Closely contact is connected with rotating ring 7 above stationary ring 2, inboard at rotating ring 7 and stationary ring 2 is provided with axle sleeve 8, rotating ring 7 links to each other with axle sleeve 8 by fork, above rotating ring 7, be provided with back-up ring 9, back-up ring 9 is sleeved on axle sleeve 8 upper ends, corresponding several bolts hole 10 that is provided with on back-up ring 9 and axle sleeve 8, between rotating ring 7 and axle sleeve 8, be provided with the 3rd sealing ring 11, between back-up ring 9 and axle sleeve 8, be provided with the 4th sealing ring 12, be respectively equipped with the 5th sealing ring 13 and the 6th sealing ring 14 in the upper and lower of the inwall of axle sleeve 8; Circumferential edges at stationary seat 1 is provided with several installing holes 15.
Evenly be provided with several locating pieces 16 on the circumference of stationary seat 1, locating piece 16 is fixed on the stationary seat 1 by bolt 17, and the projection 18 of locating piece 16 upper ends snaps in the groove 19 of rotating ring 7.Described locating piece 16 can be two, three or four.Rotating ring 7 and stationary ring 2 integral reliable are fixed on the stationary seat 1, when sealing device transports, avoid it the combination dystopy to occur connecting, can be connected and fixed with other part more easily when mounted, and guarantee the reliability of sealing.
During use, on the rotating shaft of pressurized screen, utilize bolt other part on stationary seat 1 and the pressurized screen to be connected the sealing device integral assembling by installing hole 15.Unscrew bolt 17 then, locating piece 16 is taken off, re-use in the bolt hole 10 on fastening bolt screw-in back-up ring 9 and the axle sleeve 8, back-up ring 9 and axle sleeve 8 are solidly fixed with rotating shaft, promptly finish installation, simple to operation, sealing is reliable.Spring 4 can make stationary ring 2 and rotating ring 7 keep closely contacting when working, and the sealing when guaranteeing equipment work is reliable.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (2)
1, pressurized screen rotation shaft seal, it is characterized in that: comprise stationary seat, the alignment pin that the cotter way of the stationary ring bottom above being provided with it on the stationary seat matches, between about stationary seat and the stationary ring, be provided with several springs, between stationary seat and stationary ring, be provided with first sealing ring, be provided with second sealing ring in the stationary seat outside; Closely contact is connected with rotating ring above stationary ring, inboard at rotating ring and stationary ring is provided with axle sleeve, rotating ring links to each other with axle sleeve by fork, above rotating ring, be provided with back-up ring, shield ring sleeve is contained in axle sleeve upper end, and corresponding several bolts hole that is provided with on back-up ring and axle sleeve are provided with the 3rd sealing ring between rotating ring and axle sleeve, between back-up ring and axle sleeve, be provided with the 4th sealing ring, be respectively equipped with the 5th sealing ring and the 6th sealing ring in the upper and lower of the inwall of axle sleeve; Circumferential edges at stationary seat is provided with several installing holes.
2, pressurized screen rotation shaft seal according to claim 1, it is characterized in that: on the circumference of stationary seat, evenly be provided with several locating pieces, locating piece is fixed on the stationary seat by bolt, and the projection of locating piece upper end snaps in the groove of rotating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200260855U CN201416125Y (en) | 2009-05-26 | 2009-05-26 | Seal device for rotation shaft of pressure screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200260855U CN201416125Y (en) | 2009-05-26 | 2009-05-26 | Seal device for rotation shaft of pressure screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416125Y true CN201416125Y (en) | 2010-03-03 |
Family
ID=41792542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200260855U Expired - Fee Related CN201416125Y (en) | 2009-05-26 | 2009-05-26 | Seal device for rotation shaft of pressure screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201416125Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805314A (en) * | 2014-12-29 | 2016-07-27 | 福建利树集团有限公司 | A slag pulp line pressure screen machine seal |
-
2009
- 2009-05-26 CN CN2009200260855U patent/CN201416125Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805314A (en) * | 2014-12-29 | 2016-07-27 | 福建利树集团有限公司 | A slag pulp line pressure screen machine seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20140526 |