CN1852779A - 轧辊轴承中油的再循环装置 - Google Patents
轧辊轴承中油的再循环装置 Download PDFInfo
- Publication number
- CN1852779A CN1852779A CNA2004800096047A CN200480009604A CN1852779A CN 1852779 A CN1852779 A CN 1852779A CN A2004800096047 A CNA2004800096047 A CN A2004800096047A CN 200480009604 A CN200480009604 A CN 200480009604A CN 1852779 A CN1852779 A CN 1852779A
- Authority
- CN
- China
- Prior art keywords
- roll
- bearing
- conical ring
- ring body
- conical
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 15
- 230000003134 recirculating effect Effects 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 101100398285 Xenopus laevis kit gene Proteins 0.000 claims abstract description 14
- 241001672694 Citrus reticulata Species 0.000 claims description 7
- 239000003082 abrasive agent Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000005068 cooling lubricant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
-
- 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
- B21B31/076—Cooling; Lubricating 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49702—Lubricating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49703—Sealing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Abstract
一种油再循环装置,油来自轧机轧辊的辊身(WB)的侧面(ST)和辊颈(WZ)的圆周表面的区域,辊颈支承在一个轴承安装件(LES)的轴承上,在辊颈(WZ)上有设在辊身(WB)侧面(ST)和轴承元件之间的一个密封动圈(DLR)。一个第一锥环体(KRK1)以圆柱形内表面置于密封动圈(DLR)的外表面上并相对于该外表面密封,还具有一个外锥面,该外锥面由辊身侧(ST)开始向辊轴线(x-x)方向倾斜延伸,在轴承壳上固定有一个第二锥环体(KRK2),其有一个内圆锥面,该内圆锥面与第一锥环体(KRK1)的锥表面对置隔开并与之形成一个将油从辊身侧(ST)驱离的液压泵隙(PS)。
Description
本发明涉及一种油再循环装置。油由辊身的侧面和轧机轧辊的支承在轴承安装件的轴承上的辊颈环绕面的区域再循环,其中在辊颈上套有设在的辊身侧面和轴承元件之间的一个密封动圈。
对于支承在轴承安装件中并由该轴承安装件承载的轧机轧辊,该轴承支承着辊颈和辊身,设有一个套在辊颈上的密封动圈,以部分形成迷宫密封的弹性密封圈密封,迷宫密封与辊颈或轴承壳相连。在轧制过程中,这个密封装置在通常情况下可以满足密封要求。
轧制对于质量的要求较高的带钢的时候,比如用干式平整机轧制时,必须保持辊身完全清洁且无油污,因为即使是少量的油滴从轴承中通过辊身端面到达轧制区域中的轧辊圆周面,也会影响辊身的表面质量,并导致常常更换轧辊。
人们已经试图,将压缩空气充入迷宫式密封装置中,使油可以在密封动圈下流向轴承并防止油滴外渗。不过即使这样,也不能可靠避免少量油滴的漏出,由此经常造成的后果就是,油滴渗漏而形成的产品质量缺陷要在带钢轧制的下一个检测环节中才能被发现,而这个时候一系列有同样质量缺陷的带钢卷已经轧制完成。
本发明的目且在于,对现有的油再循环装置进行改造,即也能有效的避免油滴,既使少量油渗漏出的危险,并有很高的可靠性,并且维修支出费用少。
上述目的通过本文开始提到类型的油再循环装置解决,该装置由两个锥环体组成,第一个锥环体以圆柱形内表面置于密封动圈的外表面上并相对于密封动圈密封,其外表面为圆锥面,这个圆锥面由辊身侧朝辊轴线方向倾斜延伸。在轴承壳上固定有第二锥环体,其内表面为圆锥面并与第一锥环体的圆锥表面相对并保持间距,这样就形成将油从辊身侧面驱出的液压泵隙。
本发明还采取了如下设计,在泵隙面向辊身的那一端,通入一个环形入流室,该入流室由一个轴径向及倾斜地延伸的第一锥环体侧面,第二锥环体的一个凸缘形法兰环的侧面,该侧面与上述第一锥环体侧面对置隔开,以及密封动圈的外表面区段组成。另外在泵隙的背离辊身的出流端,还可以接入一个环形的集油室,它是由一个第二环锥体的径向延伸侧面,与同该侧面对置隔开的、固定于轴承壳上的凸缘形环件的侧面,以及第一环锥体的侧壁区段组成,集油室与轴承壳中的径向导向通道对应,并与后面的输出管对应。
第一锥环体由耐磨材料制成,并具有一个轴径向的止挡面,该止挡面与泵隙的出流端隔开并用来抵靠在轴承的固定的部分上的同样轴径向的环形的支承面。
该装置的可靠性高,由于零件少制造费用低,在现有的轧辊轴承密封系统的基础上,无须特别的改动即可以进行安装,因为该装置不比装有不必需的双密封系统的结构空间大。此装置也适用于其他工作目的下的轧辊轴承。
以下,结合附图所示的实施例详细描述本发明,其中:
图1轧辊轴承的轴向剖面图,
图2图2的局部放大图,
图3图2的再放大图。
由图1可见,轧辊轴承由一对位于辊W的辊颈WZ上的向心滚子轴承和一个位于辊颈末段WZE上的背离辊身WB的向心推力轴承RDL组成。向心滚子轴承RRL套在轴承安装件LES中,向心推力轴承RDL安放在环箍体ARK内,环箍体则位于背向辊身WB的轴承安装件LES的侧面。在面向辊身WB的轴承安装件LES的另外一个侧面上,安放有垫圈体ZRK,垫圈体装有下面详述的密封元件和装置。
油经过输入管ZFK和接着的导向通道FK以未示出的方式进入轴承并由输出管AK导出。
在图2,3可以看到,在辊身WB和向心滚子轴承RRL之间在辊颈WZ上套上了一个密封动圈DLR,该动圈的外周面紧密地套有一个弹性迷宫环LR,而这个迷宫环则是固定连接在垫圈体ZRK上的。密封动圈DLR的圆柱形外周面上,以圆柱形内表面套有第一锥环体KRK1,其外环形面ARF在离开辊身WB向辊轴线x-x的方向倾斜(如图1)。在垫圈体中安装有第二锥环体KRK2,其内环面IFR也是倾斜的,并与第一锥环体KRK1的外环面ARF对置隔开地以圆锥环隙形成泵隙PS。背向辊身WB的泵隙的出流端接入一个集油室OSK中,集油室通过导向通道FK与输出管AK相连。泵隙在面向辊身WB的流入端接入一个环形的入流室EK,它是由一个轴径向并倾斜延伸的第一锥环体KRK1的侧面,第二锥环体KRK2的一个凸缘形环件RA的与上述侧面对置隔开的径向侧面,以及密封动圈DLR的外表面区段构成。
第一锥环体KRK1具有一个环形的轴径向延伸的止挡面ANF,该止挡面与泵隙PS出流端的轴向隔开并用以抵靠在同样也是轴径向的环形延伸的支承面AUF上,该支承面在轴承的一个固定于轴承上的环套RS上,该锥环体由耐磨材料制成。
因为轧制的时候,第一锥环体KRK1相对于在此固定的第二锥环体KRK2旋转,在二者之间形成的隙PS用作液压离心力泵,该泵由轴承在辊身的端面ST区域以及密封动圈的外表面向入流室EK抽吸到达的油部分。使油通过集油室OSK,导向通道FK与输出管AK继续导向。轴承的油循环中,从而避免了油泄漏到辊身WB的端面ST并防止油由此流到辊身的圆周面上去。
该装置还适用于,小流量的液体,如冷却水或者润滑剂等,它们由于不完善的密封而由辊身流到轴承,本装置可将液体抽取并经轴承的油循环系统导出。
附图标记列表
RRL 向心滚子轴承
RDL 向心推力轴承
LES 轴承安装件
W 辊
WB 辊身
WZ 辊颈
ST 端面(辊身WB的端面)
WZE (阶梯式)辊颈ZW的末段
ARK 环箍体
ZRK 垫圈体
ZFK 输入管
FK 导向通道
AK 输出管
DLR 密封动圈
LR 迷宫环
KRK1 锥环体(第一)
KRK2 锥环体(第二)
x-x 辊轴线
IRF 环面(内侧)
ARF 环面(外侧)
PS 泵隙
OSK 集油室
EK 入流室
ST 端面(辊身WB的端面)
RA (凸缘形)环件
ANF 止挡面
AUF 支承面
RS 环套
Claims (6)
1、一种油再循环装置,油来自轧机轧辊(W)的辊身(WB)的侧面(ST)和辊颈(WZ)的圆周表面的区域,辊颈支承在一个轴承安装件(LES)的轴承上,在辊颈(WZ)上有设在辊身(WB)侧面(ST)和轴承元件之间的一个密封动圈(DLR),
其特征在于,
一个第一锥环体(KRK1)以圆柱形内表面置于密封动圈(DLR)的外表面上并相对于该外表面密封,该第一锥环体的外锥面由辊身侧(ST)开始向辊轴线(x-x)方向倾斜延伸,在轴承壳上固定有一个第二锥环体(KRK2),该第二锥环体的内圆锥面与第一锥环体(KRK1)的锥面对置隔开并与之形成一个将油从辊身侧(ST)驱离的液压泵隙(PS)。
2、根据权利要求1所述的装置,其特征在于,
面向辊身(WB)的泵隙(PS)的流入端,接入一个环形入流室(EK),该入流室由第一锥环体(KRK1)的轴径向及倾斜延伸的侧面,第二锥环体的(KRK2)的一个凸缘形环件(RA)的径向侧面,该侧面与上述侧面对置隔开,以及密封动圈的一个外表面区段组成。
3、根据权利要求1和/或者2所述的装置,其特征在于,
背向辊身(WB)的泵隙(PS)的出流端,接入一个环形的集油室(OSK),集油室是由第二锥环面(KRK2)的一个径向延伸的侧面,固定在轴承壳上凸缘形环件(RS)的一个径向侧面,该侧面与上述侧面对置隔开,以及第一锥环面(KRK1)的一个侧壁区段组成。
4、根据权利要求3所述的装置,其特征在于,
集油室(OSK)对应轴承壳内的径向导向通道(FK)与后面的输出管(AK)。
5、根据权利要求1至4中的一个或多个的装置,其特征在于,
第一锥环体(KRK1)具有与泵隙(PS)出流端轴向隔开的一个环形的轴径向的环形止挡面(ANF),以抵靠在同样也是环形的轴径向的一个支承面(AUF)上,该支承面在轴承的位置固定的部分上。
6、根据权利要求5所述的装置,其特征在于,
第一锥环体(KRK1)由一种耐磨材料制成。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10316316A DE10316316A1 (de) | 2003-04-10 | 2003-04-10 | Vorrichtung zur Rückführung von Öl in Walzenlagern |
DE10316316.6 | 2003-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1852779A true CN1852779A (zh) | 2006-10-25 |
CN100384555C CN100384555C (zh) | 2008-04-30 |
Family
ID=33016233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800096047A Expired - Fee Related CN100384555C (zh) | 2003-04-10 | 2004-03-18 | 轧辊轴承中油的再循环装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7566293B2 (zh) |
EP (1) | EP1620212A1 (zh) |
JP (1) | JP4473263B2 (zh) |
CN (1) | CN100384555C (zh) |
DE (1) | DE10316316A1 (zh) |
RU (1) | RU2337771C2 (zh) |
UA (1) | UA85185C2 (zh) |
WO (1) | WO2004089559A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105121046A (zh) * | 2012-12-28 | 2015-12-02 | Sms集团有限公司 | 用于将轧辊支承在轧辊支架中的安装件 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004003763B4 (de) * | 2004-01-23 | 2005-10-20 | Sms Demag Ag | Vorrichtung zur ballenseitigen Abdichtung des Lagers eines Walzenzapfens |
DE102004006906A1 (de) * | 2004-02-12 | 2005-09-08 | Ina-Schaeffler Kg | Umlenkrolle für einen Zugmitteltrieb |
DE102007045445A1 (de) * | 2007-09-24 | 2009-04-09 | Hiwin Mikrosystem Corp. | Lagerschmieraufbau einer Motoreinrichtung mit unmittelbarem Antriebsmoment |
EP2232090B1 (de) * | 2008-01-11 | 2012-11-28 | SMS Siemag AG | Lageranordnung |
US8500332B2 (en) * | 2010-05-05 | 2013-08-06 | Siemens Industry, Inc. | Self pumping oil film bearing |
US8342753B2 (en) * | 2010-06-08 | 2013-01-01 | Siemens Industry, Inc. | Venturi drain for self-pumping bearing rolling mills |
DE102010063828A1 (de) | 2010-12-22 | 2012-06-28 | Sms Siemag Ag | Stützwalze und Walzenanordnung |
DE202017107379U1 (de) | 2017-12-04 | 2017-12-18 | SKF Lubrication System Germany GmbH | Schmierfettpumpe |
DE102017221847A1 (de) | 2017-12-04 | 2019-06-06 | Skf Lubrication Systems Germany Gmbh | Schmierfettpumpe und Verfahren zur Verwertung von Leckagefett einer Schmierfettpumpe |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2852284A (en) * | 1955-07-08 | 1958-09-16 | Roy E Bryson | Liquid seal for rotating shafts |
FR1470057A (fr) | 1965-11-02 | 1967-02-17 | Wtz Feikeramischen Ind | Joint d'arbre utilisable, au choix, comme joint sans contact ou joint de contact |
GB1308098A (en) | 1971-06-30 | 1973-02-21 | Waelzlagerkombinat Veb | Sealing device for roll neck bearings |
US4283063A (en) * | 1979-05-21 | 1981-08-11 | The Mechanex Corporation | Self aligning installation resistant lubricant seal |
JPS58207526A (ja) * | 1982-05-15 | 1983-12-03 | エス・カ−・エフ・ク−ゲルラ−ゲルフアブリケン・ゲ−エムベ−ハ− | 軸受ブツシユのためのシ−ル装置 |
US4516783B1 (en) * | 1983-02-12 | 1994-08-02 | Nippon Seiko Kk | Seal assembly with radially overlapping seal |
KR890004033B1 (ko) * | 1985-04-16 | 1989-10-16 | 에누오우케이 가부시끼가이샤 | 레이디얼 오일 시일 |
US4832511A (en) * | 1988-08-16 | 1989-05-23 | Reliance Electric Company | High efficiency seal devices for shaft bearings |
DE19701461A1 (de) * | 1997-01-17 | 1998-07-23 | Schaeffler Waelzlager Ohg | Abdichtung für eine Gelenkkreuzbüchse |
FR2767374B1 (fr) * | 1997-08-13 | 1999-09-17 | Hispano Suiza Sa | Agencement d'etancheite pour un bout d'arbre |
JPH1162994A (ja) * | 1997-08-21 | 1999-03-05 | Nippon Seiko Kk | ころがり軸受装置 |
US6004249A (en) * | 1998-07-13 | 1999-12-21 | Valmet Corporation | Slide disc seal arrangement for a roll of a paper making or finishing machine or the like |
US6173961B1 (en) * | 1999-04-06 | 2001-01-16 | Trw Inc. | Seal assembly |
JP4180829B2 (ja) * | 2002-01-21 | 2008-11-12 | イーグル工業株式会社 | シール装置 |
US6746018B2 (en) * | 2002-02-21 | 2004-06-08 | Emerson Power Transmission Manufacturing, L.P. | Shaft seal |
-
2003
- 2003-04-10 DE DE10316316A patent/DE10316316A1/de not_active Withdrawn
-
2004
- 2004-03-18 EP EP04721488A patent/EP1620212A1/de not_active Withdrawn
- 2004-03-18 US US10/552,638 patent/US7566293B2/en not_active Expired - Fee Related
- 2004-03-18 RU RU2005134844/02A patent/RU2337771C2/ru not_active IP Right Cessation
- 2004-03-18 UA UAA200510606A patent/UA85185C2/ru unknown
- 2004-03-18 CN CNB2004800096047A patent/CN100384555C/zh not_active Expired - Fee Related
- 2004-03-18 WO PCT/EP2004/002784 patent/WO2004089559A1/de active Application Filing
- 2004-03-18 JP JP2006504714A patent/JP4473263B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105121046A (zh) * | 2012-12-28 | 2015-12-02 | Sms集团有限公司 | 用于将轧辊支承在轧辊支架中的安装件 |
CN105121046B (zh) * | 2012-12-28 | 2017-08-22 | Sms集团有限公司 | 用于将轧辊支承在轧辊支架中的安装件 |
Also Published As
Publication number | Publication date |
---|---|
DE10316316A1 (de) | 2004-10-21 |
JP2006522688A (ja) | 2006-10-05 |
US7566293B2 (en) | 2009-07-28 |
EP1620212A1 (de) | 2006-02-01 |
WO2004089559A1 (de) | 2004-10-21 |
RU2337771C2 (ru) | 2008-11-10 |
UA85185C2 (ru) | 2009-01-12 |
JP4473263B2 (ja) | 2010-06-02 |
RU2005134844A (ru) | 2006-04-10 |
CN100384555C (zh) | 2008-04-30 |
US20060193544A1 (en) | 2006-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102190003B (zh) | 铁路车辆轴承密封件 | |
US20060251352A1 (en) | Journal bearing backing ring | |
CN102022441B (zh) | 滚子轴承垫环 | |
CN1281870C (zh) | 水泵的密封装置、水泵的旋转支承装置及水泵 | |
US20140029882A1 (en) | Oil-lubricated anti-friction bearing | |
CN101418831A (zh) | 用于铁路机动车轴颈轴承的密封件 | |
US8591116B2 (en) | Bearing isolating seal | |
CN1852779A (zh) | 轧辊轴承中油的再循环装置 | |
KR20080097448A (ko) | 타이어 압력 조절장치용 실 장치 | |
ZA201005376B (en) | Roller bearing seal | |
CN102822542A (zh) | 具有移动密封环的轴向止推轴承装置 | |
CA2090327C (en) | Sealed tapered roller bearing assembly for aircraft wheel bearing system | |
ZA201000775B (en) | Bearing assembly having a dust seal arrangement with contacting and non-contacting dust seals | |
US20140010489A1 (en) | Hub-bearing assembly with sealing device | |
US7614795B2 (en) | Rolling bearing assembly | |
US8956051B2 (en) | Sealed rolling bearing | |
JP4968520B2 (ja) | 軸受装置 | |
US20220381293A1 (en) | Sealing device for a bearing unit | |
CN104455851A (zh) | 一种能过滤杂质的旋转接头 | |
US20210222733A1 (en) | Suspension thrust bearing device | |
CN110848270A (zh) | 密封滚子轴承及其辊轧机背衬辊支撑机构 | |
US20240200607A1 (en) | Rolling-element bearing with seals and purging channel | |
US20240200606A1 (en) | Rolling-element bearing with seals and purging channel | |
US20240200604A1 (en) | Rolling-element bearing with seals and leakage test channel | |
CN209531030U (zh) | 一种改进的打散机打散盘安装结构 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20130318 |