초록 ▼

An oil film bearing for rotatably supporting the journal surface of a rolling mill roll neck on a hydrodynamically maintained oil film. The bearing includes a bushing having outlets adapted to axially interrupt the load carrying continuity of the oil film by draining oil from the load zone at locati

An oil film bearing for rotatably supporting the journal surface of a rolling mill roll neck on a hydrodynamically maintained oil film. The bearing includes a bushing having outlets adapted to axially interrupt the load carrying continuity of the oil film by draining oil from the load zone at locations intermediate to the ends of the bushing, thereby subdividing the load zone into at least two axially separated pressure zones. Position sensors are located between the pressure zones to monitor the spatial relationship or oil film thickness between the bushing and the journal surface. The journal surface is defined by at least two sleeve segments received on and fixed relative to the roll neck. Adjacent ends of the sleeve segments are aligned radially or in a coplanar relationship with the axial separation between the pressure zones. Temperature sensors monitor the temperature of the oil being drained through the aforesaid outlets.

대표청구항 ▼

An oil film bearing for a rotating roll neck in a rolling mill, said bearing comprising: means defining a journal surface of the roll neck; a bushing having a cylindrical internal bearing surface surrounding said journal surface, said bushing being contained by and fixed within a bearing chock; inle

An oil film bearing for a rotating roll neck in a rolling mill, said bearing comprising: means defining a journal surface of the roll neck; a bushing having a cylindrical internal bearing surface surrounding said journal surface, said bushing being contained by and fixed within a bearing chock; inlet means for introducing a continuous flow of oil between said journal surface and said bearing surface at locations which allow the thus introduced oil to be formed hydrodynamically by the rotary motion of said journal surface relative to said bearing surface into an oil film on which the journal surface is carried at a load zone on one side of the bearing; outlet means for continuously removing oil from said load zone at a location intermediate to the ends of said bushing, thereby providing an interruption in the load carrying continuity of the hydrodynamically formed oil film and separating said load zone into compound pressure zones; and position sensing means located between said compound pressure zones for monitoring the spatial relationship of said journal surface to said bearing surface at said load zone.