CN201982654U - Shaft end sealing device and double-shaft linear vibrating screen - Google Patents
Shaft end sealing device and double-shaft linear vibrating screen Download PDFInfo
- Publication number
- CN201982654U CN201982654U CN 201020237628 CN201020237628U CN201982654U CN 201982654 U CN201982654 U CN 201982654U CN 201020237628 CN201020237628 CN 201020237628 CN 201020237628 U CN201020237628 U CN 201020237628U CN 201982654 U CN201982654 U CN 201982654U
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- bearing
- rotating shaft
- shaft
- cover
- shaft end
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- 238000007789 sealing Methods 0.000 title claims abstract description 64
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005461 lubrication Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 abstract 3
- 239000003921 oil Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 49
- 230000001050 lubricating effect Effects 0.000 description 10
- 239000004519 grease Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 206010026865 Mass Diseases 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a shaft end sealing device, which comprises a rotating shaft (1), a bearing (7) arranged at the end of the rotating shaft, a bearing support (6) for installing the bearing and a bearing end cover (9) arranged at the outer end of the bearing support. A protecting pipe (2) is sleeved on the rotating shaft and connected to the bearing support (6) in a sealed mode, a sealed cap (10) is fastened at the outer end of the rotating shaft, and the seal dynamic matching of a labyrinth is realized between the sealed cap and the bearing end cover (9) through a labyrinth seal groove (92). The protecting pipe is sleeved on the rotating shaft, lubricating oil can be injected between the rotating shaft and the protective pipe to realize bath lubrication of the bearing, therefore the lubrication effect is good, the service life of the bearing is prolonged. Simultaneously, the seal dynamic matching of the labyrinth is realized between the sealed cap and the bearing end cover through the maze seal groove, the lubricating oil is sealed in the protecting pipe, leakages of lubricating oil can be avoided effectively, sealing effect is good, oil consumption is low, and the amount of maintenance work of the bearing is reduced remarkably. The utility model further discloses a double-shaft linear vibrating screen including the shaft end sealing device.
Description
Technical field
The utility model relates to a kind of shaft end seal device, and this shaft end seal device is particularly useful for the twin shaft linear vibrating screen.In addition, the utility model also relates to a kind of twin shaft linear vibrating screen that comprises this shaft end seal device.
Background technique
The end of rotating shaft by the bearings rotation, need be provided with shaft end seal device at this axle head usually usually, leaks outside to prevent lubricant oil, and prevents foreign matter and dust intrusion.
With the twin shaft linear vibrating screen is example, and this vibrating sieve is extensively applied to fields such as mining machinery, coal preparation machine and asphalt mixing plant, is used for various materials are sieved, thereby obtains the material of different size.The vibration exciter of this vibrating sieve is made up of the rotating shaft that two two ends have uneven weight, and the synchronous backward revolution is done in two rotating shafts, and the centrifugal force that is produced makes sieve nest do straight-line oscillation, to realize the screening to material.
Present linear vibrating screen, especially large-scale vibrating sieve, the bearing of its vibration exciter adopts bath lubrication more.This kind lubricating system is higher to the seal request of axle head, and the quality of its sealing effect will directly influence the working life of axle head block bearing, serious even normal operation that influence vibrating sieve.In the prior art, the shaft end seal of vibrating sieve vibration exciter generally in the following way: a kind of is to slot on bearing (ball) cover, fills out in the groove with the felt circle, stops up leakage-gap and realizes sealing; Another kind is to replace the felt circle to seal with the combined type outside framework oil seal.These two kinds of shaft end seals all belong to the sealing means of contact-type, and felt circle and oil sealing are easy under the running up of axle because of abrasion cause leakage of oil, need carry out repairing continually, have increased cost and maintenance workload.Otherwise may cause the bearing in the vibration exciter to cause phenomenons such as heating, scaling loss because of insufficient lubrication because of oil starvation, reduce the working life of bearing, serious even normal operation that influence vibrating sieve.And felt circle and oil sealing need carry out dismounting and change continually because of wear out failure, and labor intensity is big, and incur loss through delay and produce.
The model utility content
The purpose of this utility model provides a kind of shaft end seal device, its good sealing effect, and long service life can effectively solve the problem of axle head leakage of oil.
Another purpose of the present utility model provides a kind of twin shaft linear vibrating screen that comprises above-mentioned shaft end seal device, effectively solves the problem of axle head leakage of oil.
For solving the problems of the technologies described above, the utility model provides a kind of shaft end seal device, this shaft end seal device comprises rotating shaft, be arranged on the bearing of roller end, be used to install this bearing bearing support, be arranged on the bearing (ball) cover of bearing support outer end, wherein, outside in described rotating shaft is arranged with pillar, this pillar is sealably coupled to described bearing support, is fastened with sealing cover in the outer end of described rotating shaft, realizes labyrinth seal movingly by the labyrinth seal groove between sealing lid and the described bearing (ball) cover.
One end of wherein said pillar has back-up ring, and this back-up ring and described bearing support be by bolton, and is provided with seal ring between this back-up ring and the described bearing support sealing surface of fitting mutually.
Preferably, described bearing (ball) cover is provided with passage, the described labyrinth seal groove of this channel connection.
In the utility model shaft end seal device, be fixed with mounting plate on described bearing support, be fixed with oil pipe on this mounting plate, this oil pipe is connected to described passage.
Has the whelk of catching up with line on the interior outer surface of described sealing cover or on the internal surface at described bearing (ball) cover.
Preferably, be provided with oil baffle disc between described bearing and described sealing cover, this oil baffle disc is fixedly mounted in the described rotating shaft.
Preferably, described bearing support is provided with ventilative cap.
Preferably, between the sealing surface that described bearing support and described bearing (ball) cover are fitted mutually, be provided with sealing gasket.
Preferably, be provided with oil drain plug in the bottom of described bearing support.
In addition, the utility model also provides a kind of twin shaft linear vibrating screen, and this vibrating sieve comprises above-described shaft end seal device.
By technique scheme of the present utility model, be arranged with pillar in the rotating shaft outside, thereby can between rotating shaft and pillar, inject lubricant oil, bearing is immersed in the lubricant oil, realize the bath lubrication of bearing, thus high lubricating effect, the working life of prolongation bearing.Simultaneously, realize the labyrinth seal dynamic fit by the labyrinth seal groove between sealing cover and the bearing (ball) cover, seal oil in pillar, can effectively be avoided oil leak, good sealing effect, oil consumption is low, can significantly reduce the maintenance workload of bearing.Simultaneously, use the twin shaft linear vibrating screen of this shaft end seal device also to reduce maintenance workload accordingly.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic according to the shaft end seal device of a kind of mode of execution of the utility model;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1.
Description of reference numerals
1 rotating shaft, 11 oil baffle discs
2 pillars, 12 sealing gaskets
3 seal rings, 13 main eccentric masss
4 mounting plates, 14 secondary eccentric masss
5 oil pipes, 15 lubricant oil
6 bearing supports, 16 pressing plates
7 bearings, 91 passages
8 ventilative cap 92 labyrinth seal grooves
The interior axle of 9 bearing (ball) covers, 93 sealing covers
The flange of 10 sealing covers, 94 sealing covers
101 catch up with the back-up ring of whelk line 21 pillars
22 oil drain plugs, 23 chambers
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As depicted in figs. 1 and 2, according to a kind of mode of execution of the present utility model, a kind of shaft end seal device is provided, it mainly comprises rotating shaft 1, be arranged on the bearing 7 of roller end, be used to install this bearing 7 bearing support 6, be arranged on the bearing (ball) cover 9 of bearing support 6 outer ends, be arranged with pillar 2 in the outside of described rotating shaft 1, this pillar 2 is sealably coupled to described bearing support 6, be fastened with sealing cover 10 in the outer end of described rotating shaft 1, realize labyrinth seal movingly by labyrinth seal groove 92 between sealing lid 10 and the described bearing (ball) cover 9.
Because be arranged with pillar 2, thereby can between rotating shaft 1 and pillar 2, inject lubricant oil 15, bearing 7 is immersed in the lubricant oil 15, realize the bath lubrication of bearing 7 in rotating shaft 1 outside, thus high lubricating effect, the working life of prolongation bearing 7.Simultaneously, realize the labyrinth seal dynamic fit by labyrinth seal groove 92 between sealing cover 10 and the bearing (ball) cover 9, be sealed in lubricant oil 15 in the pillar 2 and in the chamber 23 (will be described below), can effectively avoid oil leak, good sealing effect, oil consumption is low, can significantly reduce the maintenance workload of bearing.
As a kind of preferred embodiment, as shown in the figure, the end of described pillar 2 can have back-up ring 21, can also be fixed with mounting plate 4 on bearing support 6.Can be together between the flange portion three of back-up ring 21, mounting plate 4 and bearing support 6 by bolton.In addition, in order to strengthen join strength, between back-up ring 21 and mounting plate 4 pressing plate 16 can also be set in addition, promptly back-up ring 21, pressing plate 16, mounting plate 4 and the flange portion of bearing support 6 are in the same place by bolton.
Between back-up ring 21 and the bearing support 6 for stationary fit, for stop lubricant oil 15 in the pillar 2 from the sealing surface between back-up ring 21 and the bearing support 6 to external leakage, can between the two sealing surface of fitting mutually, seal ring 3 be set.
As shown in the figure, according to an embodiment of the present utility model, bearing (ball) cover 9 covers on the outer end of bearing support 6, chamber 23 of its inner formation, lubricant oil 15 in the pillar 2 enters in this chamber 23 through bearing 7, makes bearing 7 be immersed in the lubricant oil 15, realizes the bath lubrication of bearing 7.
Can pass through bolton between bearing (ball) cover 9 and the bearing support 6, be stationary fit between the two.For stop lubricant oil in the chamber 23 from the sealing surface between bearing (ball) cover 9 and the bearing support 6 to external leakage, can between the two sealing surface of fitting mutually, sealing gasket 12 be set.
As shown in the figure, sealing cover 10 is anchored on the outer end of rotating shaft 1, between itself and the bearing (ball) cover 9 for movingly.When rotating shaft 1 is rotated, sealing cover 10 will rotate together along with rotating shaft 1, thereby and produce relative rotation between the bearing (ball) cover 9, can realize labyrinth seals by labyrinth seal groove 92 between the two, thus can prevent lubricant oil in the chamber 23 from the matching gap between sealing cover 10 and the bearing (ball) cover 9 to external leakage.
As shown in the figure, described sealing cover 10 can have axle 93 and two flanges 94 that are positioned at these 93 outsides in one, accordingly, can have three flanges 94 ' on the described bearing (ball) cover 9, sealing cover 10 and bearing (ball) cover 9 are chimeric mutually, thereby by described flange 94 and 94 ', form four road seal clearances 95 altogether, this four roads seal clearance 95 constitutes a complete labyrinth seal groove 92.Therefore, the lubricant oil 15 in the chamber 23 will be because of throttling produces very big energy loss by full of twists and turns labyrinth seal groove 92 time, and fluid head descends very big, and lubricant oil is difficult to seepage, thereby can reach the purpose of effective sealing.In order further to increase sealing effect, the labyrinth seal groove can adopt the seal clearance of greater number, and the utility model does not limit this.
As a kind of embodiment, as shown in the figure, on described bearing (ball) cover 9, can also be provided with passage 91, this passage 91 is communicated to described labyrinth seal groove 92.By this passage 91, lubricating grease (as butter) can be injected in this passage 91 and fill each seal clearance of labyrinth seal groove 92, thereby can prevent that lubricant oil from leaking by labyrinth seal groove 92, further play the effect of enhanced leaktightness, simultaneously can also prevent that the dirt in the external environment from invading bearing portion by labyrinth seal groove 92, cause bearing 7 to produce unusual damage.
The interpolation of lubricating grease can be fixed with oil pipe 5 on mounting plate 4 for convenience, and this oil pipe 5 is connected to described passage 91.In use, oil pipe 5 can be provided with up, make all to be full of lubricating grease in oil pipe 5, passage 91 and the labyrinth seal groove 92, thereby can further improve sealability, make that the lubricant oil 15 in pillar 2 and the chamber 23 can not leak from labyrinth seal groove 92 basically.Simultaneously, Wai Jie dirt also can not invade the bearing place basically from here.
In addition, as a kind of preferred mode of execution, can also be formed with on the outer surface of the interior axle 93 of described sealing cover 10 and catch up with whelk line 101, for example V thread screw, square threaded form or the like.Certainly, this catches up with whelk line 101 also can be arranged on the internal surface of bearing (ball) cover 9, promptly as long as this catches up with whelk line 101 to be arranged between interior all 93 the outer surface of the internal surface of bearing (ball) cover 9 and sealing cover 10.Obviously, this catches up with the Hand of spiral of whelk line 101 should guarantee lubricant oil is driven to returning.Particularly, when sealing cover 10 rotates with respect to bearing (ball) cover 9 with rotating shaft 1, this catches up with whelk line 101 utilization to be similar to the principle of screw pump, lubricant oil 15 is driven to returning, promptly drive towards the direction of bearing 7, make it to flow back in the chamber 23, thereby can further improve the sealability of lubricant oil.In other words, when sealing cover 10 during with respect to bearing (ball) cover 9 rotation, the described whelk line 101 of catching up with will catch up with the lubricant oil in the whelk line 101 to produce the pumping pressure head to being filled in this, thus can stop this lubricant oil outwards the direction of labyrinth seal groove 92 (promptly towards) ooze out.
In addition, in order further to improve the sealability of lubricant oil, prevent that lubricant oil from oozing out to sealing cover 10 places, can also between described bearing 7 and described sealing cover 10, (being in the described chamber 23) oil baffle disc 11 be set, this oil baffle disc 11 is fixedly mounted in the described rotating shaft 1, can rotate together along with rotating shaft 1.When this oil baffle disc 11 and rotating shaft 1 are rotated together, this oil baffle disc 11 utilizes action of centrifugal force that lubricant oil radially (perhaps is partial to the direction of bearing 7) simultaneously and throws away, the flow of lubricant that is thrown out of is to bearing 7, thereby can effectively stop lubricant oil 15 to flow to slit between sealing cover 10 and the bearing (ball) cover 9.Oil baffle disc 11 can be designed as various suitable shapes, as long as its direction that lubricant oil radially or simultaneously can be partial to bearing 7 throws away.
In rotating shaft 1 high speed rotating process, lubricant oil 15 can pressure increases because temperature raises, thereby can increase the trend of the outside seepage of lubricant oil.For fear of this problem,, can be provided with ventilative cap 8 by described bearing support 6, to discharge the pressure of lubricant oil as preferred embodiment a kind of.Simultaneously,, also help the heat that bearing 7 places are produced and distribute, prolong the working life of bearing 7 by the setting of this ventilative cap 8.
As shown in Figure 1, reference character 22 expression oil drain plugs wherein, this oil drain plug can be arranged on the bearing support 6.When shaft end seal device need be safeguarded, for example change bearing, perhaps oil change more, the lubricant oil that can discharge in pillars 2 by this oil drain plug 22.Certainly, in order to realize the function of draining the oil, in actual use, this oil drain plug 22 is preferably disposed on the bottom of bearing support 6, is communicated with described chamber 23.
Shaft end seal device disclosed in the utility model can be applied to various occasions according to actual needs.As a kind of preferred application, this shaft end seal device is particularly useful for twin shaft and realizes vibrating sieve.
In addition, the utility model also provides a kind of twin shaft linear vibrating screen, and this vibrating sieve can comprise shaft end seal device of the present utility model.The twin shaft linear vibrating screen generally comprises two rotating shafts, and every rotating shaft can comprise shaft end seal device of the present utility model.Usually, the end of every rotating shaft is provided with main eccentric mass 13 and secondary eccentric mass 14, thereby produces eccentric force in the rotation process of rotating shaft, and two rotating shaft synchronous backwards rotate, and the centrifugal force of generation will make sieve nest do straight-line oscillation, to realize the screening of material.Because the twin shaft linear vibrating screen can adopt prior art, so the utility model no longer is described in detail the concrete structure of twin shaft linear vibrating screen.
In sum, the utility model mainly comprises following characteristics:
1, be arranged with pillar 2 in rotating shaft 1 outside, thereby can between rotating shaft 1 and pillar 2, inject lubricant oil, bearing 7 is immersed in the lubricant oil, realize the bath lubrication of bearing, thus high lubricating effect, the working life of prolongation bearing.Simultaneously, realize the labyrinth seal dynamic fit by labyrinth seal groove 92 between sealing cover 10 and the bearing (ball) cover 9, seal oil in pillar, can effectively be avoided oil leak, good sealing effect, oil consumption is low, can significantly reduce the maintenance workload of bearing.
2, be provided with seal ring 3 at back-up ring 21 and bearing support 6 the two sealing surface place that fit mutually of pillar 2, thus can stop lubricant oil 15 in the pillar 2 from the sealing face to external leakage, improve the sealability of lubricant oil.
3, be provided with sealing gasket 12 at bearing (ball) cover 9 and bearing support 6 the two sealing surface place that fit mutually, thus can stop lubricant oil in the chamber from the sealing face to external leakage, improve the sealability of lubricant oil.
4, bearing (ball) cover 9 is provided with passage 91, this passage 91 is communicated to labyrinth seal groove 92, by this passage 91, lubricating grease (as butter) can be injected in this passage 91 and fill each seal clearance of labyrinth seal groove 92, thereby can prevent that lubricant oil from leaking by labyrinth seal groove 92, further play the effect of enhanced leaktightness, can also prevent that the dirt in the external environment from invading bearing portion by labyrinth seal groove 92 simultaneously, cause bearing 7 to produce unusual damage.
5, the interpolation of lubricating grease for convenience can be fixed with oil pipe 5 on mounting plate 4, and this oil pipe 5 is connected to described passage 91.In use, oil pipe 5 can be provided with up, make all to be full of lubricating grease in oil pipe 5, passage 91 and the labyrinth seal groove 92, thereby can further improve sealability, make that the lubricant oil 15 in the pillar 2 can not leak from labyrinth seal groove 92 basically.Simultaneously, Wai Jie dirt also can not invade the bearing place basically from here.
6, on the outer surface of the interior axle 93 of sealing cover 10 or the internal surface of bearing (ball) cover 9 be provided with and catch up with whelk line 101, this catches up with whelk line 101 utilization to be similar to the principle of screw pump, lubricant oil 15 is driven to returning, promptly drive towards the direction of bearing 7, make it to flow back in the chamber 23, thereby can further improve the sealability of lubricant oil.
7, in order further to improve the sealability of lubricant oil, prevent that lubricant oil from oozing out from sealing cover 10, oil baffle disc 11 can also be set in chamber 23, this oil baffle disc 11 is fixedly mounted in the described rotating shaft 1, can rotate together along with rotating shaft 1.When this oil baffle disc 11 and rotating shaft 1 were rotated together, this oil baffle disc 11 utilized action of centrifugal force that lubricant oil is radially thrown away, thereby can effectively stop lubricant oil 15 to flow to slit between sealing cover 10 and the bearing (ball) cover 9.
8, in rotating shaft 1 high speed rotating process, lubricant oil 15 can pressure increases because temperature raises, thereby can increase the trend of the outside seepage of lubricant oil.For fear of this problem, can be provided with ventilative cap 8 on the top of described bearing support 6, to discharge the pressure of lubricant oil.Simultaneously,, also help the heat that bearing 7 places are produced and distribute, prolong the working life of bearing 7 by the setting of this ventilative cap 8.
9, be provided with oil drain plug 22 in the bottom of bearing support 6, this oil drain plug can be communicated with chamber 23.When shaft end seal device need be safeguarded, for example change bearing, perhaps oil change more can discharge lubricant oil in pillars 2 and the chamber 23 by this oil drain plug 22.
Need to prove that each the concrete technical characteristics described in above-mentioned embodiment can carry out combination in any by any suitable manner, it falls within the scope disclosed in the utility model equally.In addition, also can carry out combination in any between the various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.For example, catch up with technological means such as whelk line, labyrinth seal groove, oil baffle disc, ventilative cap all can to make up in any suitable manner, these arbitrarily compound mode should be regarded as the disclosed content of the utility model, for fear of unnecessary repetition, no longer various compound modes are given unnecessary details at this.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.For example, the seal clearance of labyrinth seal groove can be four roads, and twice, six roads or multiple tracks more also can be set certainly as required; Catch up with the whelk line can adopt V thread screw, can certainly adopt square threaded form, trapezoidal thread; In addition, as required, the surface of contact place that can also fit each other between the flange portion of back-up ring, pressing plate, mounting plate and bearing support is provided with sealing gasket.All these simple modes of texturing all should fall within the protection domain of the present utility model.
Claims (10)
1. shaft end seal device, this shaft end seal device comprises rotating shaft (1), be arranged on the bearing (7) of roller end, be used to install this bearing (7) bearing support (6), be arranged on the bearing (ball) cover (9) of bearing support (6) outer end, it is characterized in that, be arranged with pillar (2) in the outside of described rotating shaft (1), this pillar (2) is sealably coupled to described bearing support (6), be fastened with sealing cover (10) in the outer end of described rotating shaft (1), realize labyrinth seal movingly by labyrinth seal groove (92) between sealing lid (10) and the described bearing (ball) cover (9).
2. shaft end seal device according to claim 1, it is characterized in that, one end of described pillar (2) has back-up ring (21), this back-up ring (21) passes through bolton with described bearing support (6), and is provided with seal ring (3) between this back-up ring (21) and the mutual sealing surface of fitting of described bearing support (6).
3. shaft end seal device according to claim 1 is characterized in that, described bearing (ball) cover (9) is provided with passage (91), and this passage (91) is communicated with described labyrinth seal groove (92).
4. shaft end seal device according to claim 3 is characterized in that, is fixed with mounting plate (4) on described bearing support (6), is fixed with oil pipe (5) on this mounting plate (4), and this oil pipe (5) is connected to described passage (91).
5. shaft end seal device according to claim 1 is characterized in that, on the outer surface of the interior axle (93) of described sealing cover (10) or have the whelk of a catching up with line (101) on the internal surface of described bearing (ball) cover (9).
6. shaft end seal device according to claim 1 is characterized in that, is provided with oil baffle disc (11) between described bearing (7) and described sealing cover (10), and this oil baffle disc (11) is fixedly mounted in the described rotating shaft (1).
7. shaft end seal device according to claim 1 is characterized in that, described bearing support (6) is provided with ventilative cap (8).
8. shaft end seal device according to claim 1 is characterized in that, is provided with sealing gasket (12) between described bearing support (6) and the mutual sealing surface of fitting of described bearing (ball) cover (9).
9. shaft end seal device according to claim 1 is characterized in that, is provided with oil drain plug (22) in the bottom of described bearing support (6).
10. twin shaft linear vibrating screen, this vibrating sieve comprises any described shaft end seal device among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020237628 CN201982654U (en) | 2010-06-23 | 2010-06-23 | Shaft end sealing device and double-shaft linear vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020237628 CN201982654U (en) | 2010-06-23 | 2010-06-23 | Shaft end sealing device and double-shaft linear vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982654U true CN201982654U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020237628 Expired - Fee Related CN201982654U (en) | 2010-06-23 | 2010-06-23 | Shaft end sealing device and double-shaft linear vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982654U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438220A (en) * | 2013-09-11 | 2013-12-11 | 西安船舶工程研究院有限公司 | Vibrator sealing structure |
| CN104179674A (en) * | 2013-05-20 | 2014-12-03 | 米顿罗工业设备（上海）有限公司 | Sealing structure for low-rotation-speed rotating shaft of plunger pump |
| CN106438444A (en) * | 2016-12-14 | 2017-02-22 | 宜兴市灵谷塑料设备有限公司 | Oil flinger of pump bearing box |
| CN106807616A (en) * | 2015-11-30 | 2017-06-09 | 衡阳双雁运输机械有限公司 | A kind of vibrator |
| CN107119358A (en) * | 2017-06-18 | 2017-09-01 | 河南二纺机股份有限公司 | The sealed new oil-saving spindle of the dynamic spinning airflow clearance of band |
| CN108679235A (en) * | 2018-06-15 | 2018-10-19 | 河南省振源科技有限公司 | New rare oil channel lubricating flange type vibration exciter |
| RU2788948C1 (en) * | 2021-12-07 | 2023-01-26 | Акционерное общество "Голд Майн Технолоджи" | Inertial sieve with one shaft |
| EP3981986B1 (en) | 2018-12-28 | 2023-02-01 | Ebara Corporation | Bearing apparatus for vacuum pump and vacuum pump apparatus |
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2010
- 2010-06-23 CN CN 201020237628 patent/CN201982654U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179674A (en) * | 2013-05-20 | 2014-12-03 | 米顿罗工业设备（上海）有限公司 | Sealing structure for low-rotation-speed rotating shaft of plunger pump |
| CN104179674B (en) * | 2013-05-20 | 2016-08-03 | 米顿罗工业设备（上海）有限公司 | A kind of sealing structure of plunger displacement pump slow-speed of revolution rotary shaft |
| CN103438220A (en) * | 2013-09-11 | 2013-12-11 | 西安船舶工程研究院有限公司 | Vibrator sealing structure |
| CN103438220B (en) * | 2013-09-11 | 2016-03-23 | 西安船舶工程研究院有限公司 | A kind of vibrator sealing configuration |
| CN106807616A (en) * | 2015-11-30 | 2017-06-09 | 衡阳双雁运输机械有限公司 | A kind of vibrator |
| CN106438444A (en) * | 2016-12-14 | 2017-02-22 | 宜兴市灵谷塑料设备有限公司 | Oil flinger of pump bearing box |
| CN107119358A (en) * | 2017-06-18 | 2017-09-01 | 河南二纺机股份有限公司 | The sealed new oil-saving spindle of the dynamic spinning airflow clearance of band |
| CN108679235A (en) * | 2018-06-15 | 2018-10-19 | 河南省振源科技有限公司 | New rare oil channel lubricating flange type vibration exciter |
| EP3981986B1 (en) | 2018-12-28 | 2023-02-01 | Ebara Corporation | Bearing apparatus for vacuum pump and vacuum pump apparatus |
| RU2788948C1 (en) * | 2021-12-07 | 2023-01-26 | Акционерное общество "Голд Майн Технолоджи" | Inertial sieve with one shaft |
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