WO2005061139A1 - Dichtungsvorrichtung - Google Patents
Dichtungsvorrichtung Download PDFInfo
- Publication number
- WO2005061139A1 WO2005061139A1 PCT/EP2004/012782 EP2004012782W WO2005061139A1 WO 2005061139 A1 WO2005061139 A1 WO 2005061139A1 EP 2004012782 W EP2004012782 W EP 2004012782W WO 2005061139 A1 WO2005061139 A1 WO 2005061139A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- leg
- roller
- sealing device
- ring
- sealing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/078—Sealing devices
-
- 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
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
-
- 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
-
- 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
- F16C33/74—Sealings of sliding-contact bearings
-
- 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
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
-
- 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
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
Definitions
- the invention relates to a sealing device for roller bearings with a pin seal, the ring bale an upstream ring seal is connected, which is firmly connected to an annular shoulder of the bearing housing and the sealing lip rests on the end face of the roller with sealing contact.
- Such a sealing device is such. B. become known from DE 694 10 752 T2.
- the ring seal shown here is constantly exposed to the contaminated coolant in hard rolling operations, which means that the sealing lip has a very short service life.
- the counter surface, i. H. the end face of the roller is worn out disproportionately by the impurities contained in the coolant, so that this counterflow side also has only a short service life.
- the ring seals in their respective lower area have openings which serve to ensure that the coolant which has been contaminated with contaminants and which has reached the sealing labyrinth between the sealing surface and the counter-running surface can run out of the labyrinth again.
- spray water originating from adjacent rollers can penetrate directly into this opening, so that the pin seal located spatially behind is excessively charged with contaminated coolant.
- the invention has for its object to show a sealing device in which the sealing lip of the ring seal is hardly affected by the contaminated coolant, which has a longer service life and in which no splash water can penetrate into drain openings.
- the invention is also based on the object of increasing the service life of the mating surface assigned to the ring seal.
- an L-shaped ring profile with its first leg is firmly connected to the end face of the roller, that the sealing lip rests on areas of the first leg, that the second leg of the L-shaped ring profile, the ring seal and Encloses areas of the ring approach with a small distance, and seals to the roll side and that the ring approach has a drainage groove on the outside and open to the outside.
- the second leg which overlaps the ring seal and parts of the ring shoulder, ensures that the coolant mixed with impurities cannot directly impinge on the ring seal.
- the small distance between the second leg and the ring shoulder ensures that a kind of labyrinth is formed, through which coolant mixed with impurities can hardly reach the ring seal. So that no congestion of coolant containing contaminants can occur before the entrance of the labyrinth formed between the second leg and the ring extension, a drainage groove is provided here, via which the contaminated coolant flows off before it can even get into the labyrinth.
- the second leg covers the ring approach up to the drain groove, so that the coolant mixed with contaminants gets directly into the drain groove without first having to line up in front of the labyrinth entrance. It is also advantageous if the distance between the ring shoulder and the second leg is only about 0.5 to 1.5 mm. This distance ensures that the offset to be applied by rollers can still be achieved, but that the labyrinth is kept as narrow as possible and thus only provides the narrowest possible narrow path for the possibly contaminated coolant. If the second leg rotating with the roller has at least one separator edge at its end, it is even better ensured that the coolant mixed with impurities splashes off the leg and cannot get into the labyrinth but into the drainage groove.
- the L-shaped ring profile is surface-treated, e.g. is solidified and / or coated.
- the surface is hardened in areas by roller burnishing and, on the other hand, the tips which may have arisen during manufacture are removed from the surface, so that the sealing lip is opposed by the smoothest possible surface.
- the hardening of the surface ensures that the L-shaped ring profile has a long service life.
- the L-shaped ring profile is additionally plasma nitrided, it becomes even harder.
- a targeted oxidation it is achieved that in the surface area of the L-shaped ring profile all free bonds of the molecules are occupied by O atoms, so that later oxidation of the L-shaped ring profile is no longer possible.
- a lubricant depot is assigned to the L-shaped ring profile or the end face of the roller, which can always deliver small amounts of lubricant to the location between the sealing lip of the ring seal and the first leg of the L-shaped profile via suitable channels, that both the sealing lip and the L-shaped ring profile have an even longer service life.
- the invention is explained in more detail with reference to a drawing.
- the drawing shows a roll 1 with a roll neck 2, on which a pin bush 3 is rotatably mounted.
- the roller bush 3 holds an annular pin seal 4 in position.
- the fixed bearing housing 5 carries the bearing bush 6.
- An annular shoulder 7 is fixedly arranged on the bearing housing 5, which in turn receives a ring seal 8 in a rotationally fixed manner.
- the ring approach 7 has one Drain groove 9 in which contaminated coolant can collect and flow into the lower region of the annular drain groove.
- an annular profile 11 with an L-shaped cross section is arranged with its first leg 12 and the second leg 13.
- the first leg 12 is firmly connected to the end face 10 by screws 14.
- the second leg 13 stands at a short distance above the ring seal 8 and part of the ring shoulder 7, so that the coolant coming from the roller 1 and containing impurities cannot reach the ring seal 8 but is guided into the drain groove 9.
- the second leg 13 has a separating edge 16, which ensures an even safer separation of the contaminated coolant when the second leg 13 rotates ,
- a lubricant depot 17 is provided, from which lubricant can reach the contact surface of the sealing lip 18 on the first leg 12, in order to produce a corresponding lubricating effect and thus an increased service life.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Seal Device For Vehicle (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Glass Compositions (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004305219A AU2004305219B2 (en) | 2003-12-16 | 2004-11-11 | Sealing device |
DE502004008104T DE502004008104D1 (de) | 2003-12-16 | 2004-11-11 | Dichtungsvorrichtung |
JP2006544236A JP4644207B2 (ja) | 2003-12-16 | 2004-11-11 | 封隙装置 |
US10/583,526 US7549647B2 (en) | 2003-12-16 | 2004-11-11 | Sealing device |
KR1020067011587A KR101215318B1 (ko) | 2003-12-16 | 2004-11-11 | 밀봉 장치 |
BRPI0417598-0A BRPI0417598A (pt) | 2003-12-16 | 2004-11-11 | dispositivo de vedação |
EP04820586A EP1694448B1 (de) | 2003-12-16 | 2004-11-11 | Dichtungsvorrichtung |
CN2004800375492A CN1894055B (zh) | 2003-12-16 | 2004-11-11 | 密封装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10360382.4 | 2003-12-16 | ||
DE10360382A DE10360382A1 (de) | 2003-12-16 | 2003-12-16 | Dichtungsvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005061139A1 true WO2005061139A1 (de) | 2005-07-07 |
Family
ID=34683746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/012782 WO2005061139A1 (de) | 2003-12-16 | 2004-11-11 | Dichtungsvorrichtung |
Country Status (13)
Country | Link |
---|---|
US (1) | US7549647B2 (de) |
EP (1) | EP1694448B1 (de) |
JP (1) | JP4644207B2 (de) |
KR (1) | KR101215318B1 (de) |
CN (1) | CN1894055B (de) |
AT (1) | ATE408463T1 (de) |
AU (1) | AU2004305219B2 (de) |
BR (1) | BRPI0417598A (de) |
DE (2) | DE10360382A1 (de) |
ES (1) | ES2313130T3 (de) |
RU (1) | RU2353449C2 (de) |
WO (1) | WO2005061139A1 (de) |
ZA (1) | ZA200603785B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2456106C1 (ru) * | 2011-02-25 | 2012-07-20 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Уплотнительное устройство подшипника прокатного валка |
RU2462321C1 (ru) * | 2011-02-25 | 2012-09-27 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Уплотнительное устройство опоры прокатного валка |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101438253B1 (ko) * | 2010-06-29 | 2014-09-04 | 현대중공업 주식회사 | 스러스터용 다단인써트형 슬리브 장착 레디알 샤프트 씰장치 |
IT201700076771A1 (it) * | 2017-07-07 | 2019-01-07 | Skf Ab | Dispositivo di tenuta per un cuscinetto di rotolamento |
DE102017219935A1 (de) * | 2017-11-09 | 2019-05-09 | Sms Group Gmbh | Dichtung gegen einen Austritt von Schmiermittel und Walzgerüst mit der Dichtung |
CN113418006B (zh) * | 2021-06-21 | 2023-02-28 | 太原重工股份有限公司 | 油膜轴承的逆向防水装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679801A (en) * | 1985-02-28 | 1987-07-14 | Danieli & C. Officine Meccanische Spa | Labyrinth seal with pressurized sealing packing |
US4910987A (en) * | 1989-02-27 | 1990-03-27 | Morgan Construction Company | Roll neck face seal for cantilevered rolling mill |
DE29620018U1 (de) * | 1996-11-18 | 1998-01-08 | Kark, Uwe, 21149 Hamburg | Walzenlager für Walzgerüste |
US6217219B1 (en) * | 1997-02-21 | 2001-04-17 | Setco Sales Co. | Bearing seal with uniform fluid purge |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5847306U (ja) * | 1981-09-19 | 1983-03-30 | 川崎製鉄株式会社 | ロ−ルネツクの防水装置 |
WO1991013277A1 (de) * | 1990-02-26 | 1991-09-05 | Zahnradfabrik Friedrichshafen Ag | Dichtungsanordnung |
US5316392A (en) | 1993-10-21 | 1994-05-31 | Morgan Construction Company | Coolant guard for rolling mill oil film bearing assembly |
US5727095A (en) | 1997-02-21 | 1998-03-10 | Setco Sales Co. | Bearing seal with uniform fluid purge |
JPH11267721A (ja) * | 1998-03-19 | 1999-10-05 | Hitachi Ltd | ロール構造,ロールの軸受構造、該構造を用いた圧延機及び圧延機の改造方法 |
US6146020A (en) * | 1999-02-26 | 2000-11-14 | Morgan Construction Company | Seal assembly for rolling mill oil film bearing |
DE10113593A1 (de) * | 2001-03-20 | 2002-09-26 | Sms Demag Ag | Dichtungsvorrichtung für Walzenlager |
US7063193B2 (en) * | 2002-09-25 | 2006-06-20 | Tochigi Fuji Sangyo Kabushiki Kaisha | Seal structure for relatively rotational members |
-
2003
- 2003-12-16 DE DE10360382A patent/DE10360382A1/de not_active Withdrawn
-
2004
- 2004-11-11 ES ES04820586T patent/ES2313130T3/es active Active
- 2004-11-11 RU RU2006125412/02A patent/RU2353449C2/ru active
- 2004-11-11 DE DE502004008104T patent/DE502004008104D1/de active Active
- 2004-11-11 WO PCT/EP2004/012782 patent/WO2005061139A1/de active IP Right Grant
- 2004-11-11 CN CN2004800375492A patent/CN1894055B/zh active Active
- 2004-11-11 KR KR1020067011587A patent/KR101215318B1/ko not_active IP Right Cessation
- 2004-11-11 AU AU2004305219A patent/AU2004305219B2/en not_active Ceased
- 2004-11-11 JP JP2006544236A patent/JP4644207B2/ja active Active
- 2004-11-11 AT AT04820586T patent/ATE408463T1/de active
- 2004-11-11 BR BRPI0417598-0A patent/BRPI0417598A/pt not_active IP Right Cessation
- 2004-11-11 US US10/583,526 patent/US7549647B2/en active Active
- 2004-11-11 EP EP04820586A patent/EP1694448B1/de active Active
-
2006
- 2006-05-11 ZA ZA200603785A patent/ZA200603785B/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679801A (en) * | 1985-02-28 | 1987-07-14 | Danieli & C. Officine Meccanische Spa | Labyrinth seal with pressurized sealing packing |
US4910987A (en) * | 1989-02-27 | 1990-03-27 | Morgan Construction Company | Roll neck face seal for cantilevered rolling mill |
DE29620018U1 (de) * | 1996-11-18 | 1998-01-08 | Kark, Uwe, 21149 Hamburg | Walzenlager für Walzgerüste |
US6217219B1 (en) * | 1997-02-21 | 2001-04-17 | Setco Sales Co. | Bearing seal with uniform fluid purge |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2456106C1 (ru) * | 2011-02-25 | 2012-07-20 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Уплотнительное устройство подшипника прокатного валка |
RU2462321C1 (ru) * | 2011-02-25 | 2012-09-27 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Уплотнительное устройство опоры прокатного валка |
Also Published As
Publication number | Publication date |
---|---|
EP1694448A1 (de) | 2006-08-30 |
RU2006125412A (ru) | 2008-01-27 |
KR101215318B1 (ko) | 2012-12-26 |
DE10360382A1 (de) | 2005-07-21 |
KR20060123314A (ko) | 2006-12-01 |
AU2004305219A1 (en) | 2005-07-07 |
BRPI0417598A (pt) | 2007-03-20 |
US20070140601A1 (en) | 2007-06-21 |
AU2004305219B2 (en) | 2010-08-19 |
ATE408463T1 (de) | 2008-10-15 |
JP2007534491A (ja) | 2007-11-29 |
DE502004008104D1 (de) | 2008-10-30 |
ES2313130T3 (es) | 2009-03-01 |
EP1694448B1 (de) | 2008-09-17 |
CN1894055B (zh) | 2012-10-24 |
ZA200603785B (en) | 2007-08-29 |
JP4644207B2 (ja) | 2011-03-02 |
RU2353449C2 (ru) | 2009-04-27 |
CN1894055A (zh) | 2007-01-10 |
US7549647B2 (en) | 2009-06-23 |
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