CN102878207B - A kind of bearing pedestal seal device of rolling mill roll - Google Patents
A kind of bearing pedestal seal device of rolling mill roll Download PDFInfo
- Publication number
- CN102878207B CN102878207B CN201210360135.XA CN201210360135A CN102878207B CN 102878207 B CN102878207 B CN 102878207B CN 201210360135 A CN201210360135 A CN 201210360135A CN 102878207 B CN102878207 B CN 102878207B
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- Prior art keywords
- sealing
- cover
- inner ring
- bearing
- external cover
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- Rolling Contact Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention provides a kind of bearing pedestal seal device of rolling mill roll, it comprises the labyrinth sealing inner ring be set on roll pins having, the outer peripheral surface of sealing inner ring is provided with multi-turn rectangular seal chamber I; The outside of sealing inner ring is set with sealing external cover, and sealing enclosing cover is split type, and the inner side surface of sealing external cover is provided with the rectangular seal chamber II matched with rectangular seal chamber I, and sealing external cover is provided with through hole; In described bearing support and the transparent cover be also provided with between sealing external cover with seal inner ring and coordinate, transparent cover inner ring is provided with oil sealing; Described sealing external cover is fixedly connected with the bearing support being installed on roll end by link with transparent cover.This device good sealing effect, structure is simple, and easy accessibility, effectively can stop the phenomenon that bearing burns out.
Description
Technical field
The present invention relates to a kind of milling train, especially a kind of bearing pedestal seal device of rolling mill roll.
Background technique
In metallurgy industry; in the process of mill milling; a large amount of emulsified liquids can splash everywhere; between rolling-mill housing roller bearing pedestal seal device in; often can enter a large amount of emulsified liquids, cause the loss of lubricating grease in bearing, thus cause bearing life sharply to shorten, even damage; roller can not be run well, need bearing and the seal arrangement of often changing roller.In order to overcome this problem, at present, oil sealing sealing is mostly adopted to stop emulsified liquid to enter in bearing in factory, but, this sealing configuration is poorly sealed, can not well stop entering of emulsified liquid, and roller long time running can cause bearing to burn out, roll wear, brings greatly difficulty to production operation and attendant.The deficiency that Here it is existing for prior art.
Summary of the invention
The technical problem to be solved in the present invention, is exactly for the deficiency existing for prior art, and provides a kind of bearing pedestal seal device of rolling mill roll of good sealing effect.
This programme is achieved by the following technical measures: the bearing pedestal seal device of this rolling mill roll comprises the labyrinth sealing inner ring be set on roll pins having, the outer peripheral surface of sealing inner ring is provided with multi-turn rectangular seal chamber I; The outside of sealing inner ring is set with sealing external cover, and sealing enclosing cover is split type, and the inner side surface of sealing external cover is provided with the rectangular seal chamber II matched with rectangular seal chamber I, and sealing external cover is provided with through hole; In described bearing support and the transparent cover be also provided with between sealing external cover with seal inner ring and coordinate, transparent cover inner ring is provided with oil sealing; Described sealing external cover is fixedly connected with the bearing support being installed on roll end by link with transparent cover.
The end of above-mentioned sealing inner ring is fixedly connected with the bearing inner race be installed in bearing support, like this can effective rigid bearing, carries out axially locating to bearing; Meanwhile, also processing and fabricating is facilitated.
Above-mentioned sealing external cover comprises sealing upper cover and sealing lower cover, and this structural type is beneficial to quick mounting dismounting, need not dismantle bearing support, and can complete the handling of sealing upper cover and sealing lower cover, simple to operate, operating efficiency is high.Cover under sealing upper cover and/or sealing and be provided with through hole, the media such as the emulsified liquid entered between sealing inner ring and sealing external cover can throw away by through hole in time in time.
The beneficial effect of this programme can be learnt according to describing of such scheme, in the bearing pedestal seal device of this rolling mill roll, (1) by the embedded cooperation of multi-turn rectangular seal chamber I and Seal cage II, form multiple-sealed barrier, the media such as emulsified liquid are by multiple rectangular seal chamber I and Seal cage II, the media such as emulsified liquid form pressure reduction at the tooth top of each rectangular seal chamber I and Seal cage II and bottom land, thus add its flow resistance, the structure of this successive barriers formula, can the pressure of the medium such as buffered emulsion liquid step by step, make to act on the pressure level-off between sealing inner ring and sealing external cover, prevent the media such as emulsified liquid from entering in bearing support, thus reach the effect of effective sealing.(2) oil sealing transparent cover installed, leaking of lubricant grease in bearing can be stoped on the one hand, the media such as emulsified liquid can also be stoped to enter in bearing simultaneously, this structure and the labyrinth seal structure between sealing inner ring and sealing external cover form double barrier, can stop entering of the media such as the loss of lubricant grease and emulsified liquid completely.(3) media such as the emulsified liquid entered between sealing inner ring and sealing external cover can throw away by through hole on sealing external cover in time, continue to flow to bearing direction to prevent the media such as emulsified liquid.(4) sealing external cover is split-type structural, when it can be implemented in and does not dismantle bearing support, just can complete the dismounting of sealing external cover, and disassembling, assembling and replacing is convenient, and operating efficiency is high.As can be seen here, the present invention compared with prior art, has good sealing effect, and structure is simple, and easy accessibility, effectively can stop the phenomenon that bearing burns out, and the present invention has outstanding substantive distinguishing features and significant progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the structural representation sealing inner ring in Fig. 1.
Fig. 3 is the structural representation sealing upper cover in Fig. 1.
Fig. 4 is the structural representation of transparent cover in Fig. 1.
In figure, 1 is bearing, and 2 is bolt, and 3 is sealing upper cover, and 4 is Seal cage II, and 5 is sealing inner ring, and 6 is roll, and 7 is Seal cage I, and 8 is sealing lower cover, and 9 is transparent cover, and 10 is bearing support, and 11 is through hole, and 12 is oil sealing.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
A kind of bearing pedestal seal device of rolling mill roll, as shown in the figure, in roll 6 end, bearing 1 is installed, bearing 1 is installed in bearing support 10, the axle journal of described roll 6 is also set with labyrinth sealing inner ring 5, the end of sealing inner ring 5 is fixedly connected with the inner ring of bearing 1, the outer peripheral surface of sealing inner ring 5 is provided with multi-turn rectangular seal chamber I 7.The outside of sealing inner ring 5 is set with sealing external cover, sealing enclosing cover is split type, it comprises sealing upper cover 3 and sealing lower cover 8, when dismounting or replacing sealing external cover, without the need to dismantling bearing support 10, dismounting sealing upper cover 3 and sealing lower cover 8 can be distinguished, under the prerequisite ensureing sealability, effectively can shorten disassembly and assembly time, operation is very easy.
The inner side surface of sealing upper cover 3 and sealing lower cover 8 is provided with the rectangular seal chamber II 4 with rectangular seal chamber I 7 quantity and mating shapes, Seal cage I 7 and the embedded cooperation of Seal cage II 4, multiple-sealed barrier is formed between sealing inner ring 5 and sealing external cover, to increase the flow resistance of the media such as emulsified liquid, the media such as such emulsified liquid are after entering Seal cage I 7 and Seal cage II 4, after the multi-buffer of Seal cage I 7 and Seal cage II 4, its pressure is steady gradually, flowing velocity reduces gradually, thus reaches the effect of effective sealing.Bearing support 10 be also provided with the transparent cover 9 coordinated with the outer side surface sealing inner ring 5 between sealing external cover, transparent cover 9 inner ring is provided with oil sealing 12, and oil sealing 12 both can prevent leaking of lubricant grease in bearing 1, and the media such as emulsified liquid can be stoped again to enter in bearing 1.Oil sealing 12 and the labyrinth seal structure between sealing inner ring 5 and sealing external cover form double seal barrier, can stop entering of the media such as the loss of lubricant grease and emulsified liquid completely, not be burned to ensure bearing 1 long time running.
Sealing upper cover 3 and/or sealing lower cover 8 are provided with through hole 11, and entering the media such as the emulsified liquid between Seal cage I 7 and Seal cage II 4 can be thrown out of in time by through hole 11, continues to the flowing of bearing 1 direction, to ensure sealing effect to prevent the media such as emulsified liquid.
Sealing external cover is fixedly connected with bearing support 10 by link (as bolt 2) with transparent cover 9, both ensure that the structure stability of whole seal arrangement, can prevent again the media such as emulsified liquid from being entered in bearing 1 by transparent cover 9.
Can existing techniques in realizing be passed through without the technical characteristics described in the present invention, not repeat them here.The present invention is not limited in above-mentioned embodiment, the change that those of ordinary skill in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (1)
1. a bearing pedestal seal device for rolling mill roll, is characterized in that: it comprises the labyrinth sealing inner ring be set on roll pins having, the outer peripheral surface of sealing inner ring is provided with multi-turn rectangular seal chamber I; The outside of sealing inner ring is set with sealing external cover, and sealing enclosing cover is split type, and the inner side surface of sealing external cover is provided with the rectangular seal chamber II matched with rectangular seal chamber I, and sealing external cover is provided with through hole; In described bearing support and the transparent cover be also provided with between sealing external cover with seal inner ring and coordinate, transparent cover inner ring is provided with oil sealing; Described sealing external cover is fixedly connected with the bearing support being installed on roll end by link with transparent cover; Described sealing external cover comprises sealing upper cover and sealing lower cover, cover the through hole be provided with for being thrown away in time by the medium entered between Seal cage I and Seal cage II under sealing upper cover and/or sealing, the end of described sealing inner ring is fixedly connected with the bearing inner race be installed in bearing support.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210360135.XA CN102878207B (en) | 2012-09-25 | 2012-09-25 | A kind of bearing pedestal seal device of rolling mill roll |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210360135.XA CN102878207B (en) | 2012-09-25 | 2012-09-25 | A kind of bearing pedestal seal device of rolling mill roll |
Publications (2)
Publication Number | Publication Date |
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CN102878207A CN102878207A (en) | 2013-01-16 |
CN102878207B true CN102878207B (en) | 2016-01-20 |
Family
ID=47479659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210360135.XA Expired - Fee Related CN102878207B (en) | 2012-09-25 | 2012-09-25 | A kind of bearing pedestal seal device of rolling mill roll |
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CN (1) | CN102878207B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103312088A (en) * | 2013-06-19 | 2013-09-18 | 南京艾凌永磁调速技术研究有限公司 | Waterproof labyrinth structure on permanent-magnet speed controller |
CN103322204B (en) * | 2013-06-29 | 2015-10-21 | 济钢集团有限公司 | A kind of associated sealing arrangement for bearings of pickling line scale breading withdrawal straightening machine Guide roller |
CN105697556A (en) * | 2014-11-28 | 2016-06-22 | 绵阳环阳科技有限公司 | Roller press bearing pedestal bearing sealing device |
DE102016214675A1 (en) * | 2015-08-14 | 2017-02-16 | Aktiebolaget Skf | Rail vehicle traction motor bearing arrangement |
CN106949155A (en) * | 2017-04-14 | 2017-07-14 | 孔令宇 | A kind of oil-leakage-prevention vertical bearing case |
CN106838018A (en) * | 2017-04-19 | 2017-06-13 | 如皋市非标轴承有限公司 | A kind of associated sealing arrangement for bearings |
CN107906210A (en) * | 2017-12-08 | 2018-04-13 | 四川煤田地质局四机械厂 | A kind of sealing device and encapsulating method |
CN108326080A (en) * | 2018-04-20 | 2018-07-27 | 襄阳振本传动设备有限公司 | A kind of aligning roller assembly |
CN108543812B (en) * | 2018-05-30 | 2020-01-14 | 武汉钢铁有限公司 | Anti-leakage bearing seat device for roller |
CN115285540A (en) * | 2022-07-25 | 2022-11-04 | 上海电力大学 | Labyrinth leakage-proof device and rotary blockage removing machine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4403776A1 (en) * | 1994-02-01 | 1995-08-03 | Aeg Westinghouse Transport | Seal with labyrinthine sealing gap |
CN202867576U (en) * | 2012-09-25 | 2013-04-10 | 济钢集团有限公司 | Device for sealing bearing seat of roller for rolling mill |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10011063A1 (en) * | 2000-03-07 | 2001-09-27 | Daimler Chrysler Ag | Labyrinth seal for shaft of electric motor is made up of two sections, outer section having annular components which form conical seal gaps with surface of other component |
EP1522751A1 (en) * | 2003-10-09 | 2005-04-13 | Corus UK Limited | Method and apparatus for lubricating a bearing assembly by supplying grease and gas |
JP2005172039A (en) * | 2003-12-08 | 2005-06-30 | Ntn Corp | Rolling bearing |
BRPI0720447B1 (en) * | 2006-12-22 | 2019-09-03 | Continental Conveyor & Equipament Company | crazy roller bearing set and making method |
-
2012
- 2012-09-25 CN CN201210360135.XA patent/CN102878207B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4403776A1 (en) * | 1994-02-01 | 1995-08-03 | Aeg Westinghouse Transport | Seal with labyrinthine sealing gap |
CN202867576U (en) * | 2012-09-25 | 2013-04-10 | 济钢集团有限公司 | Device for sealing bearing seat of roller for rolling mill |
Also Published As
Publication number | Publication date |
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CN102878207A (en) | 2013-01-16 |
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