CN101363545A - Spherical sealing element and sealing method thereof - Google Patents
Spherical sealing element and sealing method thereof Download PDFInfo
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- CN101363545A CN101363545A CNA2008101193129A CN200810119312A CN101363545A CN 101363545 A CN101363545 A CN 101363545A CN A2008101193129 A CNA2008101193129 A CN A2008101193129A CN 200810119312 A CN200810119312 A CN 200810119312A CN 101363545 A CN101363545 A CN 101363545A
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- spherical zone
- spherical
- zone shell
- sealing
- shell
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- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000314 lubricant Substances 0.000 abstract description 7
- 238000009987 spinning Methods 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention relates to a spherical sealing piece and the sealing method thereof, and belongs to the field of sealing piece. The spherical sealing piece comprises a sphere sealing upper set and a sphere sealing lower set; the sphere sealing upper set comprises an upper spherical zone shell and the sphere sealing lower set comprises a lower spherical zone shell; the diameter of a terminal with a small opening of the upper spherical zone shell is smaller than that of the terminal with a large opening of the lower spherical zone shell; the two spherical zone shells keep spherical zone overlapping, and the sphere centers of the two spherical zone shells are at the same side of the overlapping part, which allows a bearing to be apart from the outside; when a spinning axis and a spinning wheel or a fixed piece beat in working process, the overlapping part of the upper spherical zone shell and the lower spherical zone shell increases or decreases, but is larger than zero, thereby ensuring the effective sealing of a maze; simultaneously, as the upper spherical zone shell and the lower spherical zone shell are a sphere surface with a certain height, thereby ensuing that the cavity contains a certain quantity of lubricant constantly, that the bearing is smooth enough, which prolongs the service life of the bearing. The sealing piece is suitable for being used in a high-temperature environment with much power.
Description
Technical field
The present invention relates to a kind of novel sealing configuration spherical sealing element and encapsulating method thereof.
Background technique
In industry, belong to two separate objects between turning axle and gyrostat or the fixed block, connect by bearing between the two, relatively rotate between the two, and the felt seal ring is normally adopted in sealing between the two.The felt seal ring is not wear-resisting, nonelastic, sealing effect is poor, be not suitable for high temperature, high dust atmosphere needs often to change, and in actual application, also often run into gyrostat and turning axle out-of-alignment swinging state, sometimes be frequent and instantaneous disalignment, produce swing angle α, cause a side clearance of seal ring to strengthen and lost efficacy as disalignment, cause dust and sandy soil to enter bearing, bearing oil also can flow out thereupon simultaneously, and these situations all can make bearing impaired, correspondingly cause the opposite side of seal ring to contact stuck with turning axle, the surface of contact that makes turning axle and seal ring is serious wear all, can't normally use.Therefore can't guarantee in the prior art that two existing revolutions have between the parts of beat sealing effective all the time again, bearing life is very short.
Summary of the invention
At the defective in the above-mentioned field, the invention provides a kind of spherical sealing element, allow sealing to center on rotation or swing that the centre of sphere is done any direction within the specific limits.When two part disalignments produced swing angle α, spherical sealing allowed this beat within the specific limits, and sealing is still effective, and extraneous dust can't enter by sealed mouth, has well protected bearing, has prolonged the working life of bearing.
Spherical sealing element, it is characterized in that: comprise the secondary and following pair of ball face sealing on the ball face sealing, pair comprises the spherical zone shell on the described ball face sealing, pair comprises spherical zone shell down under the described ball face sealing, the described spherical zone shell osculum end diameter of going up is less than following spherical zone shell big opening end diameter, it is superimposed to make upper and lower spherical zone shell remain spherical zone, and the described centre of sphere of going up spherical zone shell and following spherical zone shell is positioned at superimposed section homonymy.
Described upward spherical zone shell osculum end and/or following spherical zone shell big opening end end face are irregularly shaped.
It is described that upward the spherical zone shell is concentric with following spherical zone shell.
Pair also comprises Circular Plate on the described ball face sealing, and described Circular Plate is fixedly connected on the big opening end of spherical zone shell.
Described Circular Plate is positioned at the outside of spherical zone shell.
Pair also comprises cylinder under the described ball face sealing, and described cylinder is fixedly connected on down the osculum end of spherical zone shell.
Described cylinder is positioned at the outside of spherical zone shell down.
The encapsulating method of spherical sealing element, comprise the steps: that (1) be fixed in pair on the ball face sealing on gyrostat or the fixed block, (2) pair under the ball face sealing is fixed on the turning axle, it is superimposed that (3) make spherical zone shell osculum end and following spherical zone shell big opening end maintain spherical zone.
Pair comprises the Circular Plate that links to each other with last spherical zone shell big opening end on the described ball face sealing, and described Circular Plate is fixed on gyrostat or the fixed block, and pair comprises the cylinder that links to each other with following spherical zone shell osculum end under the described ball face sealing, and described cylinder is fixed on the turning axle.
Described above-mentioned steps (1), (2) and (3) of repeatedly repeating are describedly gone up between the spherical zone shell, are used seal oil between the spherical zone shell down.
Sealing of the present invention comprises the secondary and following pair of ball face sealing on the ball face sealing, it is overlapping that wherein upper and lower spherical zone shell can maintain spherical zone, pair is fixed on gyrostat or the fixed block (such as bearing support) on the ball face sealing, pair is fixed on the turning axle under the ball face sealing, upper and lower like this spherical zone shell surrounds an inner chamber that includes bearing (also can be other part), make it to separate, play seal action with the external world.When turning axle and gyrostat or fixed block proper functioning, centre of sphere O is concentric with bearing symmetry gyration center, on the turning axle center line, pair is rotated with gyrostat or is maintained static with fixed block on the ball face sealing, ball face sealing is secondary down to rotate with turning axle, and bearing seal is tight, and foreign object is difficult for entering; When turning axle and gyrostat or fixed block generation beat, upper and lower spherical zone shell wherein rotates around the centre of sphere, and lap increases or reduces, but lap guarantees that all the time greater than 0 sealing effectively.Because upper and lower spherical zone shell is that sphere has certain height, can guarantee to contain all the time in the chamber a certain amount of lubricant oil, guarantee that bearing is enough lubricated, effectively raise the life-span of bearing.
The end face of upper and lower spherical zone shell overlaid end can not be a toroidal surface, and such as being that zigzag fashion etc. is irregularly shaped, it is overlapping to maintain spherical zone in a word, guarantees that sealing is tight.
A kind of preferred situation is that upper and lower two spherical zone shells are concentric, makes that the gap of lap is identical, and two spheres are parallel, and deflection angle to greatest extent can take place.
For convenience last, two spherical zone shells is fixing down, can connect a Circular Plate at the big opening end of last spherical zone shell, it is fixedlyed connected with gyrostat or fixed block, this is fixedly connected can to pass through bolt or alternate manner, Circular Plate can be positioned at the spherical zone shell or go up outside the spherical zone shell, preferred going up outside the spherical zone shell, osculum end at following spherical zone shell connects a cylinder, be fixed on the turning axle, the socket that can closely cooperate can also be fixed with bolt or alternate manner simultaneously, makes it in conjunction with more firm, under can being positioned at, outside spherical zone shell or the following spherical zone shell, preferably plays outside the spherical zone shell turning axle.
The present invention can select on one or more ball face sealings pair under secondary and the ball face sealing for use in actual seal operation, the spherical zone shell crosses one another overlapping, form spherical labyrinth seal, the bearing and the external world are separated, when turning axle and gyrostat or fixed block in work and when beat takes place, last spherical zone shell and following spherical zone shell lap increase or reduce, but lap is greater than 0, the assurance labyrinth seal is effective, do not allow dust enter bearing, simultaneously because last, following spherical zone shell is that sphere has certain height, can guarantee to contain all the time in the chamber a certain amount of lubricant oil, guarantee that bearing is enough lubricated, prolonged the working life of bearing.Sealing of the present invention also is suitable for using in high temperature, the high powder environment.
Description of drawings
The sealing state of Fig. 1 the present invention when beat not taking place,
Partial schematic diagram A among Fig. 2 Fig. 1,
The sealing state of Fig. 3 the present invention when beat takes place,
Partial schematic diagram B among Fig. 4 Fig. 3
Each label lists as follows among the figure:
1-gyrostat, 2-turning axle, 3-bearing, 4-bolt, secondary on 5-ball face sealing, 6-ball face sealing is secondary down, 7-upward spherical zone shells, 8-following spherical zone shell, 9-Circular Plate, 10-cylinder, 11-lubricant oil.
Embodiment
Fig. 1 is the sealing state of the present invention when beat not taking place, Fig. 3 is partial schematic diagram A among Fig. 1, Sealing of the present invention comprises pair 5 and the ball face sealing following secondary 6 that is fixed on the turning axle 2 on the ball face sealing that is fixed on the gyrostat 1, secondary 5 comprise spherical zone shell 7 on the described ball face sealing, described ball face sealing pair 6 down comprises spherical zone shell 8 down, it is superimposed that the osculum end of described upward spherical zone shell 7 and the big opening end of following spherical zone shell 8 remain spherical zone, and the described centre of sphere of going up spherical zone shell 7 and following spherical zone shell 8 is positioned at superimposed section homonymy.Pair 5 is rotated with turning axle 2 with pair 6 under gyrostat 1 rotation, the ball face sealing on the ball face sealing like this, upper and lower spherical zone shell 7,8 surrounds an inner chamber that includes bearing 3, make it to separate and play seal action with the external world, because upper and lower spherical zone shell the 7, the 8th, sphere has certain height, can guarantee has certain lubricant oil all the time in the chamber, make bearing 3 be in good lubricating status.Gyrostat 1 among the figure can be fixed block (as a bearing support), and secondary 5 also is together to maintain static with fixed block (as bearing support) on the ball face sealing that fixed block is connected.
Sealing of the present invention only need on the more than one ball face sealing secondary 5 and more than one ball face sealing secondary 6 just can realize down.In an embodiment of the present invention, secondary 5 and three ball face sealings following secondary 6 on three ball face sealings have been adopted, upper and lower spherical zone shell 7,8 juxtapositions wherein form spherical labyrinth seal, between the last spherical zone shell 7, down lubricant oil 11 sealings are arranged between the spherical zone shell 8, make outside dust be difficult for entering inner chamber more.
It is preferred that to go up spherical zone shell 7 concentric with following spherical zone shell 8.Go up spherical zone shell 7 like this and be in parastate, calculate angle of yaw by lap and can reach maximum rating with following spherical zone shell 8.
The big opening end of going up spherical shell band 7 of the present invention is connected with Circular Plate 9, can be fixed on the gyrostat 1 by bolt 4 or alternate manner by Circular Plate 9, the osculum end of following spherical shell band 8 is connected with cylinder 10, and cylinder 10 is socketed on the turning axle 2, can also use screw bolt reinforcing simultaneously.It also can be outside that Circular Plate 9, cylinder 10 can be connected spherical zone shell inside, is preferably the outside.
Fig. 2 is the sealing state of the present invention when beat takes place, Fig. 4 is partial schematic diagram B among Fig. 2, wherein upper and lower spherical zone shell 7,8 rotates along the centre of sphere, lap increases or reduces, but lap guarantees sealing effectively all the time greater than 0, and outside dust is difficult for entering inner chamber, make the working environment of bearing 3 keep clean, prolonged the working life of bearing.
The present invention in actual seal operation, can select for use on one or more ball face sealings secondary 5 and ball face sealing under secondary 6, the spherical zone shell crosses one another overlapping, form spherical labyrinth seal, the bearing 3 and the external world are separated, when turning axle and gyrostat or fixed block in work and when beat takes place, last spherical zone shell 7 and following spherical zone shell 8 laps increase or reduce, but lap is greater than 0, the assurance labyrinth seal is effective, do not allow dust enter bearing 3, simultaneously because last, following spherical zone shell 7,8 is being that sphere has certain height, can guarantee to contain all the time in the chamber a certain amount of lubricant oil 11, guarantee that bearing 3 is enough lubricated, prolonged the working life of bearing.Sealing of the present invention also is suitable for using in high temperature, the high powder environment.
Claims (10)
1, spherical sealing element, it is characterized in that: comprise the secondary and following pair of ball face sealing on the ball face sealing, pair comprises the spherical zone shell on the described ball face sealing, pair comprises spherical zone shell down under the described ball face sealing, the described spherical zone shell osculum end diameter of going up is less than following spherical zone shell big opening end diameter, it is superimposed to make upper and lower spherical zone shell remain spherical zone, and the described centre of sphere of going up spherical zone shell and following spherical zone shell is positioned at superimposed section homonymy.
2, spherical sealing element according to claim 1 is characterized in that: described upward spherical zone shell osculum end and/or following spherical zone shell big opening end end face are irregularly shaped.
3, spherical sealing element according to claim 1 is characterized in that: described upward the spherical zone shell is concentric with following spherical zone shell.
4, spherical sealing element according to claim 1 is characterized in that: pair also comprises Circular Plate on the described ball face sealing, and described Circular Plate is fixedly connected on the big opening end of spherical zone shell.
5, spherical sealing element according to claim 4 is characterized in that: described Circular Plate is positioned at the outside of spherical zone shell.
6, spherical sealing element according to claim 1 is characterized in that: pair also comprises cylinder under the described ball face sealing, and described cylinder is fixedly connected on down the osculum end of spherical zone shell.
7, spherical sealing element according to claim 6 is characterized in that: described cylinder is positioned at the outside of spherical zone shell down.
8, the encapsulating method of the arbitrary spherical sealing element of claim 1, comprise the steps: that (1) be fixed in pair on the ball face sealing on gyrostat or the fixed block, (2) pair under the ball face sealing is fixed on the turning axle, it is superimposed that (3) make spherical zone shell osculum end and following spherical zone shell big opening end maintain spherical zone.
9, encapsulating method according to claim 8, it is characterized in that: the secondary Circular Plate that links to each other with last spherical zone shell big opening end that comprises on the described ball face sealing, described Circular Plate is fixed on gyrostat or the fixed block, pair comprises the cylinder that links to each other with following spherical zone shell osculum end under the described ball face sealing, and described cylinder is fixed on the turning axle.
10, encapsulating method according to claim 8 is characterized in that: described step also comprises repeated step (1), (2) and (3), describedly goes up between the spherical zone shell, uses seal oil between the spherical zone shell down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101193129A CN101363545A (en) | 2008-09-03 | 2008-09-03 | Spherical sealing element and sealing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101193129A CN101363545A (en) | 2008-09-03 | 2008-09-03 | Spherical sealing element and sealing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101363545A true CN101363545A (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101193129A Pending CN101363545A (en) | 2008-09-03 | 2008-09-03 | Spherical sealing element and sealing method thereof |
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| Country | Link |
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| CN (1) | CN101363545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748459A (en) * | 2012-06-27 | 2012-10-24 | 三一重型装备有限公司 | Cutting reducer for heading machine, as well as heading machine with cutting reducer |
-
2008
- 2008-09-03 CN CNA2008101193129A patent/CN101363545A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748459A (en) * | 2012-06-27 | 2012-10-24 | 三一重型装备有限公司 | Cutting reducer for heading machine, as well as heading machine with cutting reducer |
| CN102748459B (en) * | 2012-06-27 | 2015-04-22 | 三一重型装备有限公司 | Cutting reducer for heading machine, as well as heading machine with cutting reducer |
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Open date: 20090211 |