CN102821883A - 用于自泵式轴承轧机的文丘里管排流装置 - Google Patents
用于自泵式轴承轧机的文丘里管排流装置 Download PDFInfo
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- 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
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- 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
- B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
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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
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
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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
- F16C2320/00—Apparatus used in separating or mixing
- F16C2320/23—Milling apparatus
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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
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
Abstract
公开了一种用于在轧机油膜轴承中使用以移走从转动的套筒与围绕套筒的固定衬套之间流出的油的系统。所述系统包括设置成用以收纳油的流出流的环形腔室。腔室通过限制表面与排流集油槽隔离,限制表面包括通过柔性密封件与轴承的相邻刚性部件接触而限定的密封界面。推板突入到腔室中并且能够随着套筒以套筒的速度转动而转动地围绕腔室推进油。排放管道沿切向与腔室连通并设置成用以收纳被转动地围绕腔室推进的油的加压流。文丘里管设置在排放管道中。抽吸管道将文丘里管连接到排流集油槽。从环形腔室经过密封界面漏出到排流集油槽中的油被文丘里管抽吸以经由所述管道移走。
Description
技术领域
本发明涉及在轧机油膜轴承中使用以移走沿切向从转动套筒与围绕套筒的固定衬套之间流出的油层流的系统。
背景技术
在典型的轧机油膜轴承中,套筒围绕辊颈并且能够随其转动。所述套筒轴颈连接以便在容置于轴承座中的固定衬套内转动。套筒和衬套的尺寸构造成在它们之间限定出间隙。在运行中,油被连续地引入到所述间隙中,在间隙中,油被可转动地推动到在轴承负载区上在套筒和衬套之间的流体动力学维持的膜中。油层流沿切向从轴承的每个端部流出到集油槽中。油通过重力从所述集油槽中移走,以进行过滤和冷却之后再循环回到轴承。
这种配置的缺点是需要大直径的排流管线,以容纳从轴承流出的油的重力流。这些排流管线占据过大的外部空间,并且因此不利于轴承的总尺寸。必须注意以确保排流管线正确地安装成具有设计用以防止油倒退到轴承集油槽中并且充溢轴承集油槽的距离。
发明内容
根据本发明,包括在柔性密封件与相邻轴承部件之间建立的密封界面的限制表面限定出环形腔室,所述环形腔室与轴承的集油槽隔离并且设置成用以收纳从套筒与衬套之间流出的油的层流。借助于以套筒的速度转动的推板转动地围绕所述腔室推进由此收纳的油。排放管道沿切向与所述腔室连通以移走被转动地推进的油。排放管道中的文丘里管连接到集油槽。文丘里管用于抽吸任何经过密封界面而泄漏到集油槽中的油。
现在将参考附图更详细地描述本发明的这些以及其它特征以及优点,附图中:
附图说明
图1是穿过实施根据本发明的系统的轧机油膜轴承的横截面图;
图2是图1中标记为“A”的圆形区域的放大图;
图3是穿过密封端板延伸件截取的横截面图;
图4是图1中标记为“B”的圆形区域的放大图;
图5A和5B是可将文丘里管连接到系统中的可选方法的示意图。
具体实施方式
首先参照图1,总体上以10表示轧机油膜轴承。所述轴承包括套筒12,套筒12固定至辊16的锥形颈部14。套筒轴颈连接以便在容置于轴承座20内的固定衬套18中转动。套筒和衬套的尺寸构造成在它们之间限定出间隙“G”。在运行中,油被连续地引入到该空隙中,在间隙中,油被套筒以转动的方式推动到在轴承的负载区上在套筒与衬套之间的流体动力学维持的膜中。油层流沿切向从轴承的两端流出。
在轴承的内侧端部和外侧端部处分别设置有密封组件22a、22b。附加地参照图2,可以看到内侧密封组件22a包括柔性的并且有弹力的颈部密封件24,该颈部密封件24安装在锥形的辊颈部分14上以和套筒12一起随其转动。颈部密封件由固定至轴承座20的密封端板26围绕。
在常规的轴承中,沿切向从套筒和衬套之间漏出的油的层流被收纳在集油槽28a中,这些油借助于重力从集油槽28a排出。
然而,在本发明中,圆形延伸件30跨越密封端板26和轴承座20之间的间隙。颈部密封件上的凸缘32密封地接触密封端板上的台肩34,并且通过颈部密封件上的抛油环36与延伸件30上的圆形台肩38密封接触而提供密封界面35。由抛油环36、延伸件30、密封界面35和轴承座20提供的限制表面与套筒12和衬套18协作而限定出环形的内侧腔室40a,该内侧腔室40a与集油槽隔离并且设置成收纳沿切向从套筒和衬套之间的间隙G流出的油的层流。推板42突入到腔室40a中。如通过附加地参照图3能够最佳看出的,推板42由颈部密封件24的圆周所支承并且绕该圆周间隔开。
延伸件30在密封界面35的内侧侧面上包括排流孔30a。任何经过密封界面35泄漏的油经由孔30a排出到集油槽28a中。如图4中所示,延伸件30还包括出口44,所述出口44沿切向与环形腔室40a连通。软管46连接至出口44并且通向轴承的外部以连接至常规的轧机润滑系统(没有示出)。
出口44的尺寸相对于收容在环形腔室40a中的油的量来构造,使得在稳态运行中,所述腔室保持装满油。如前面指出的,密封件24和套筒12都安装在辊颈14上并且随其转动。因此,由密封件24支承的推板42随着套筒并且以套筒的速度转动。
参照图4,可以看到,由密封组件22b在轴承的外侧端部处提供了相似的配置。此处,由在衬套18和轴承座20之间延伸的延伸件48、紧固至套筒12的环状件50、由延伸件48支承的唇形密封件52、以及唇形密封件52和环状件50之间的密封界面53上的限制表面限定出环形的外侧腔室40b。推板42紧固至套筒12,并且沿径向从套筒12突入到腔室40b中。任何经过密封界面53泄漏的油经由延伸件48和轴承座20之间的空间55而排出到集油槽28b中。
虽然没有示出,要理解的是,延伸件48包括与图4中以44示出的内侧出口相似的自带出口。该外侧出口沿切向与外侧腔室40b连通并且连接至第二软管58。
如图2和5a中所示,文丘里管60设置在排放管道46中。抽吸管道62将文丘里管连接到集油槽28a。如图4中所示,排放管道58中的第二文丘里管60’通过抽吸管道62’连接到集油槽28b。
替选地,如图5b中所示,两个集油槽28a、28b比如在64处相连,并且,两根排放管道46、58可合并到单根管道66。可在管道66中设置单个文丘里管68,并且该单个文丘里管68通过单根抽吸管道70连接到其中一个集油槽。
因此,可以理解,推板42用于利用选定的轴承部件(例如,在内侧端部处的颈部密封件24和在外侧端部处的套筒18)的转动动能作动力以施加强制性地将油从环形腔室40a、40b驱出的泵送作用。如上文指出的,通过强制性地驱出油而不是依赖重力流,可采用较小直径的排放管道46、48,并且可以策略性地定位该较小直径的排放管道46、48而无需考虑保持重力间距(gravity pitch)。
任何通过密封界面35和53进入到集油槽28a、28b中的油泄漏会被策略性地定位于排放管道中的文丘里管抽吸,因此确保所有油在轴承的稳态运行中被有效地再循环。
Claims (3)
1.一种用于在轧机油膜轴承中使用的系统,用以移走从转动的套筒与围绕所述套筒的固定衬套之间流出的油,所述系统包括:
设置成用以收纳所述油的流出流的环形腔室,所述腔室通过限制表面与排流集油槽隔离,所述限制表面包括通过柔性密封件与相邻的所述轴承的刚性部件接触而限定的密封界面;
突入到所述腔室中的推板,所述推板能够随着所述套筒以所述套筒的速度转动而转动地围绕所述腔室推进油;
沿切向与所述腔室连通的排放管道,所述排放管道设置成用以收纳被转动地围绕所述腔室推进的油的加压流;
所述排放管道中的文丘里管;以及
抽吸管道,所述抽吸管道将所述文丘里管连接到所述排流集油槽,从所述环形腔室经过所述密封界面漏出到所述排流集油槽中的油被抽吸通过所述抽吸管道以经由所述排放管道移走。
2.一种用于在轧机油膜轴承中使用的系统,其中,油被引入到转动的套筒与围绕所述套筒的固定衬套之间,并且,由此引入的油以层流的形式沿切向从所述轴承的内侧端部和外侧端部流出,所述系统包括:
限制表面,所述限制表面包括密封界面,限定出环形的内侧腔室和外侧腔室,所述内侧腔室和外侧腔室分别与互连的内侧排流集油槽和外侧排流集油槽隔离并且设置成用以收纳沿切向从所述轴承的内侧端部和外侧端部流出的油的层流;
突入到所述腔室中的推板,所述推板能够随着所述套筒以所述套筒的速度转动,以由此围绕所述腔室推进收纳在所述腔室中的油;以及
排放管道,所述排放管道沿切向与所述腔室连通并且通向共同的排放管道,借助于所述推板的转动而围绕所述腔室被推进的油通过所述共同的排放管道被移走;
所述排放管道中的文丘里管;以及
抽吸管道,所述抽吸管道将所述文丘里管连接到其中一个所述集油槽,经过所述密封界面漏出到所述排流集油槽中的油被抽吸通过所述抽吸管道以经由所述共同的排放管道移走。
3.一种在轧机油膜轴承中移走沿切向从转动的套筒与围绕所述套筒的固定衬套之间流出的油的层流的方法,所述方法包括:
将所述油的层流收纳在通过限制表面与排流集油槽隔离的环形腔室中,所述限制表面包括密封界面;
以所述转动套筒的速度转动地围绕所述腔室推进所述油;
以使得所述腔室保持充满油的速率沿切向从所述腔室移走油;以及
同时将任何经过所述密封界面漏出到所述集油槽中的油抽吸并移走。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/796,071 US8342753B2 (en) | 2010-06-08 | 2010-06-08 | Venturi drain for self-pumping bearing rolling mills |
US12/796,071 | 2010-06-08 | ||
PCT/US2011/036160 WO2011156079A1 (en) | 2010-06-08 | 2011-05-12 | Venturi drain for self-pumping bearing rolling mills |
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CN102821883A true CN102821883A (zh) | 2012-12-12 |
CN102821883B CN102821883B (zh) | 2014-12-31 |
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US (1) | US8342753B2 (zh) |
EP (1) | EP2580004B1 (zh) |
JP (1) | JP5683693B2 (zh) |
KR (1) | KR101408557B1 (zh) |
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BR (1) | BR112012031332A2 (zh) |
CA (1) | CA2801892C (zh) |
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US8500332B2 (en) * | 2010-05-05 | 2013-08-06 | Siemens Industry, Inc. | Self pumping oil film bearing |
DE102012221970A1 (de) * | 2012-02-15 | 2013-08-22 | Sms Siemag Ag | Dichtungsvorrichtung und Walzenanordnung |
CN106151287A (zh) * | 2016-07-29 | 2016-11-23 | 如皋市非标轴承有限公司 | 一种基于传动轧辊的油膜轴承密封系统 |
CN112983992A (zh) * | 2021-02-07 | 2021-06-18 | 太原重工股份有限公司 | 油膜轴承密封装置及轧机油膜轴承 |
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- 2011-05-12 EP EP11721192.0A patent/EP2580004B1/en active Active
- 2011-05-12 CN CN201180016920.7A patent/CN102821883B/zh not_active Expired - Fee Related
- 2011-05-12 WO PCT/US2011/036160 patent/WO2011156079A1/en active Application Filing
- 2011-05-12 BR BR112012031332A patent/BR112012031332A2/pt not_active IP Right Cessation
- 2011-05-12 KR KR1020127032082A patent/KR101408557B1/ko not_active IP Right Cessation
- 2011-05-12 CA CA2801892A patent/CA2801892C/en not_active Expired - Fee Related
- 2011-05-12 JP JP2013514182A patent/JP5683693B2/ja not_active Expired - Fee Related
- 2011-06-01 TW TW100119139A patent/TWI471181B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
WO2011156079A1 (en) | 2011-12-15 |
EP2580004A1 (en) | 2013-04-17 |
KR101408557B1 (ko) | 2014-06-17 |
JP5683693B2 (ja) | 2015-03-11 |
RU2537630C2 (ru) | 2015-01-10 |
EP2580004B1 (en) | 2014-12-17 |
RU2012156165A (ru) | 2014-07-20 |
TW201210712A (en) | 2012-03-16 |
KR20130103339A (ko) | 2013-09-23 |
JP2013529547A (ja) | 2013-07-22 |
BR112012031332A2 (pt) | 2016-10-25 |
CA2801892A1 (en) | 2011-12-15 |
CN102821883B (zh) | 2014-12-31 |
US20110299801A1 (en) | 2011-12-08 |
US8342753B2 (en) | 2013-01-01 |
TWI471181B (zh) | 2015-02-01 |
CA2801892C (en) | 2014-09-09 |
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