DE102008027890B4 - sealing system - Google Patents
sealing system Download PDFInfo
- Publication number
- DE102008027890B4 DE102008027890B4 DE102008027890.4A DE102008027890A DE102008027890B4 DE 102008027890 B4 DE102008027890 B4 DE 102008027890B4 DE 102008027890 A DE102008027890 A DE 102008027890A DE 102008027890 B4 DE102008027890 B4 DE 102008027890B4
- Authority
- DE
- Germany
- Prior art keywords
- sealing
- lip
- area
- static
- bearing
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 120
- 230000003068 static effect Effects 0.000 claims abstract description 15
- 210000002414 leg Anatomy 0.000 claims 1
- 210000000689 upper leg Anatomy 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000015095 lager Nutrition 0.000 description 1
- 239000007769 metal material Substances 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
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
„Dichtungssystem, beinhaltend mehrere relativ zueinander verdrehbare, mindestens einen Dichtraum (25) bildende Lagerringe (2, 3) eines Großwälzlagers sowie mindestens ein mehrlippiges Dichtungselement (9, 9'), wobei – das Dichtungselement (9, 9') mindestens einen statischen Dichtbereich (10) und mindestens einen dynamischen Dichtbereich (11) aufweist, – ein Schenkel (21) des statischen Dichtbereichs (10) fest mit einem der Lagerringe (2 oder 3) verbunden ist, – der aus mehreren Dichtlippen (13, 15) bestehende dynamische Dichtbereich (11) an korrespondierenden radialen (12) und axialen Dichtflächen (14) des anderen Lagerrings (3 oder 2) anliegt, wobei die eine Dichtlippe (15) an einer inneren axialen Dichtfläche (14) anliegt, und – das Dichtungselement (9, 9') zusätzlich einen lippenförmig ausgebildeten Stützbereich (18) aufweist, der sich an einer im Dichtraum (25) liegenden radialen Dichtfläche (19) des den statischen Dichtbereich (10) aufnehmenden Lagerrings (2 oder 3) abstützt.”"Sealing system, comprising a plurality of relatively rotatable, at least one sealing space (25) forming bearing rings (2, 3) of a slewing bearing and at least one mehrlippiges sealing element (9, 9 '), wherein - the sealing element (9, 9') at least one static sealing area (10) and at least one dynamic sealing region (11), - a leg (21) of the static sealing region (10) fixed to one of the bearing rings (2 or 3) is connected, - consisting of a plurality of sealing lips (13, 15) existing dynamic Sealing region (11) bears against corresponding radial (12) and axial sealing surfaces (14) of the other bearing ring (3 or 2), wherein the one sealing lip (15) rests against an inner axial sealing surface (14), and - the sealing element (9, 9 ') additionally has a lip-shaped support region (18) which bears against a radial sealing surface (19) of the bearing ring (2 or 2) receiving the static sealing region (10) in a sealing space (25) 3). "
Description
Die Erfindung betrifft ein Dichtungssystem, beinhaltend mehrere relativ zueinander verdrehbare Lagerringe eines Großwälzlagers sowie mindestens ein mehrlippiges Dichtungselement.The invention relates to a sealing system, comprising a plurality of relatively rotatable bearing rings of a slewing bearing and at least one mehrlippiges sealing element.
Die
Die
In der
Der Erfindung liegt die Aufgabe zugrunde, ein Dichtungselement bereit zu stellen, das zur Bildung eines Dichtungssystems mit zwei relativ zueinander verdrehbaren Lagerringen eines Großwälzlagers dergestalt in Wirkverbindung bringbar ist, dass keine äußeren Umwelteinflüsse in den inneren Bereich des Dichtraumes der Lagerringe gelangen können, gleichzeitig aber auch kein Schmiermittel aus dem Dichtraum in die äußere Umgebung abgegeben wird. Darüber hinaus soll das erfindungsgemäße Dichtungssystem eine hohe Standzeit haben.The invention has for its object to provide a sealing element that can be brought into operative connection to form a sealing system with two rotatable bearing rings of a large rolling bearing in such a way that no external environmental influences can enter the inner region of the sealing space of the bearing rings, but at the same time no lubricant is released from the sealing chamber into the external environment. In addition, the sealing system according to the invention should have a long service life.
Die Aufgabe wird gelöst durch ein Dichtungssystem welches die Merkmale des Patentanspruchs 1 aufweist.The object is achieved by a sealing system which has the features of
Vorteilhafte Weiterbildungen des Erfindungsgegenstandes sind den Unteransprüchen zu entnehmen.Advantageous developments of the subject invention can be found in the dependent claims.
Unter dem Begriff „statischer Dichtbereich” versteht der Fachmann, dass hier keine Relativbewegung zwischen dem Dichtungselement und dem aufnehmenden Lagerring stattfindet. Bei dem „dynamischen Dichtbereich” findet eine Relativbewegung zwischen dem Elastomermaterial (Dichtlippe) des Dichtungselementes und einem rotierenden Lagerring statt.The term "static sealing region" is understood by the person skilled in the art to mean that there is no relative movement between the sealing element and the receiving bearing ring. In the case of the "dynamic sealing region", there is a relative movement between the elastomer material (sealing lip) of the sealing element and a rotating bearing ring.
Die erfindungsgemäße Mehrlippendichtung kann bei einreihigen und mehrreihigen Kugellagern sowie bei Rollenlagern eingesetzt werden. Das erfindungsgemäße Dichtsystem erfüllt insbesondere folgende Funktionen:
- – die erste an einer radialen Dichtfläche anliegende dynamische Dichtlippe verhindert, dass keine äußeren Umwelteinflüsse in den Dichtraum der Lagerringe, insbesondere des Lagers, gelangen können die zweite an einer inneren axialen Dichtfläche anliegende dynamische Dichtlippe verhindert, dass kein Fett an die Umgebung abgegeben wird
- – die zusätzliche innere, an einer radialen Dichtfläche anliegende statische Stützlippe dient den dynamischen Dichtlippen als Abstützung und minimiert das Nachlassen der Dichtlippenvorspannung durch Materialermüdung. Mit dieser Abstützung wird eine Verbesserung der Dichtigkeit der beiden dynamisch wirkenden Dichtlippen herbeigeführt.
- – durch die Stützlippe wird zusätzlich verhindert, dass auch bei einem Schmiermittelüberdruck im Dichtraum der relativ zueinander drehbaren Lagerringe, beispielsweise eines Wälzlagers, der dynamisch wirkende Dichtbereich um den statisch wirkenden Dichtbereich herumgeklappt werden kann.
- - prevents the first on a radial sealing surface adjacent dynamic sealing lip that no external environmental influences in the sealing space of the bearing rings, in particular the bearing, can pass the second applied to an inner axial sealing surface dynamic sealing lip prevents that no grease is released to the environment
- - The additional inner, applied to a radial sealing surface static support lip serves the dynamic sealing lips as a support and minimizes the release of the sealing lip bias by material fatigue. With this support, an improvement in the tightness of the two dynamically acting sealing lips is brought about.
- - By the support lip is additionally prevented that even with a lubricant overpressure in the sealing space of the relatively rotatable bearing rings, such as a rolling bearing, the dynamically acting sealing area can be folded around the statically acting sealing area.
Von besonderem Vorteil ist, dass die Stützlippe vom Angriffspunkt her tiefer im Dichtraum liegt als die an einem Axialschenkel anliegende dynamisch wirkende Dichtlippe. Infolge der konstruktiven Ausgestaltung wird die Bewegung der dynamisch wirkenden Dichtlippen unter Belastung reduziert.It is particularly advantageous that the support lip from the point of attack is deeper in the sealing space than the voltage acting on an axial leg dynamically acting sealing lip. Due to the structural design, the movement of the dynamically acting sealing lips is reduced under load.
Der Erfindungsgegenstand ist anhand eines Ausführungsbeispiels in der Zeichnung dargestellt und wird wie folgt beschrieben. Es zeigen:The subject invention is illustrated by means of an embodiment in the drawing and will be described as follows. Show it:
Claims (4)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202008017335U DE202008017335U1 (en) | 2008-06-11 | 2008-06-11 | sealing system |
| DE102008027890.4A DE102008027890B4 (en) | 2008-06-11 | 2008-06-11 | sealing system |
| PCT/EP2009/003512 WO2009149810A1 (en) | 2008-06-11 | 2009-05-18 | Seal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008027890.4A DE102008027890B4 (en) | 2008-06-11 | 2008-06-11 | sealing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102008027890A1 DE102008027890A1 (en) | 2009-12-17 |
| DE102008027890B4 true DE102008027890B4 (en) | 2016-09-29 |
Family
ID=41100933
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE202008017335U Expired - Lifetime DE202008017335U1 (en) | 2008-06-11 | 2008-06-11 | sealing system |
| DE102008027890.4A Expired - Fee Related DE102008027890B4 (en) | 2008-06-11 | 2008-06-11 | sealing system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE202008017335U Expired - Lifetime DE202008017335U1 (en) | 2008-06-11 | 2008-06-11 | sealing system |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE202008017335U1 (en) |
| WO (1) | WO2009149810A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010034033A1 (en) | 2010-08-05 | 2012-02-09 | Imo Holding Gmbh | Sealing arrangement or element for sealing |
| DE102010045671A1 (en) | 2010-09-17 | 2012-03-22 | Carl Freudenberg Kg | sealing profile |
| DE202010014830U1 (en) | 2010-09-17 | 2011-03-10 | Imo Holding Gmbh | Circumferential seal arrangement |
| DE102010046432A1 (en) | 2010-09-17 | 2012-03-22 | Imo Holding Gmbh | Sealing arrangement for sealing space in rotary joint e.g. barrel-shaped roller body of rotor bearing in wind power plant, has upper edge closed along axial direction in plane of outer rotatable bearing components |
| DE202010013919U1 (en) | 2010-09-29 | 2012-01-10 | Imo Holding Gmbh | Sealing arrangement or element for sealing |
| DE202010013917U1 (en) | 2010-09-29 | 2012-01-10 | Imo Holding Gmbh | Sealing profile or element for sealing |
| EP2527694B1 (en) * | 2011-12-19 | 2013-10-09 | IMO Holding GmbH | Jaw or claw shaped gap seal |
| DE102011121281A1 (en) * | 2011-12-19 | 2013-06-20 | Imo Holding Gmbh | Mouth or claw-shaped gap seal |
| FR2991415B1 (en) * | 2012-06-04 | 2015-07-17 | Defontaine | SEALING DEVICE |
| JP6227250B2 (en) * | 2013-01-10 | 2017-11-08 | Ntn株式会社 | Bearing seals and rolling bearings with seals |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1956147U (en) * | 1963-07-27 | 1967-02-23 | Eisenwerk Rothe Erde G M B H | DEVICE FOR FASTENING RUBBER RING SEAL OD. DGL. FOR LARGE BEARINGS. |
| DE3435437A1 (en) * | 1984-09-27 | 1986-04-03 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | ELASTIC GASKET FOR A ROLLER BEARING JOINT |
| DE9311938U1 (en) * | 1992-08-10 | 1993-10-28 | R.K.S., Avallon, Yvonne | Rolling bearings with a verifiable wear condition |
| DE20203372U1 (en) * | 2002-03-04 | 2002-06-20 | Imo Ind Momentenlager Stoll & | Rotary bearing for systems exposed to moisture |
| DE102005041720A1 (en) * | 2004-12-13 | 2006-06-29 | Imo Momentenlager Gmbh | Sealing element for two parts rotating relative to each other has at least one second sealing ring fixed to second rotating part |
| DE69935944T2 (en) * | 1998-05-20 | 2008-01-10 | Rks S.A., Avallon | Sealing arrangement for a rolling bearing |
| DE102006053832A1 (en) * | 2006-11-14 | 2008-05-15 | Imo Momentenlager Gmbh | Parts i.e. roller bearings of wind turbine, sealing unit, has round-turning recess for inserting spring, provided in interior of sealing ring and accessible over round-turning cut from outside |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2222897A5 (en) * | 1973-03-20 | 1974-10-18 | Rks | |
| JP2003214447A (en) * | 2002-01-17 | 2003-07-30 | Hitachi Constr Mach Co Ltd | Turning bearing |
-
2008
- 2008-06-11 DE DE202008017335U patent/DE202008017335U1/en not_active Expired - Lifetime
- 2008-06-11 DE DE102008027890.4A patent/DE102008027890B4/en not_active Expired - Fee Related
-
2009
- 2009-05-18 WO PCT/EP2009/003512 patent/WO2009149810A1/en not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1956147U (en) * | 1963-07-27 | 1967-02-23 | Eisenwerk Rothe Erde G M B H | DEVICE FOR FASTENING RUBBER RING SEAL OD. DGL. FOR LARGE BEARINGS. |
| DE3435437A1 (en) * | 1984-09-27 | 1986-04-03 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | ELASTIC GASKET FOR A ROLLER BEARING JOINT |
| DE9311938U1 (en) * | 1992-08-10 | 1993-10-28 | R.K.S., Avallon, Yvonne | Rolling bearings with a verifiable wear condition |
| DE69935944T2 (en) * | 1998-05-20 | 2008-01-10 | Rks S.A., Avallon | Sealing arrangement for a rolling bearing |
| DE20203372U1 (en) * | 2002-03-04 | 2002-06-20 | Imo Ind Momentenlager Stoll & | Rotary bearing for systems exposed to moisture |
| DE102005041720A1 (en) * | 2004-12-13 | 2006-06-29 | Imo Momentenlager Gmbh | Sealing element for two parts rotating relative to each other has at least one second sealing ring fixed to second rotating part |
| DE102006053832A1 (en) * | 2006-11-14 | 2008-05-15 | Imo Momentenlager Gmbh | Parts i.e. roller bearings of wind turbine, sealing unit, has round-turning recess for inserting spring, provided in interior of sealing ring and accessible over round-turning cut from outside |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009149810A1 (en) | 2009-12-17 |
| DE102008027890A1 (en) | 2009-12-17 |
| DE202008017335U1 (en) | 2009-10-29 |
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