apparatus for propelling an oil film bearing into and out of a cylinder sleeve on a rolling mill

摘要

apparatus for propelling an oil film bearing into and out of a cylinder sleeve on a rolling mill. The present invention relates to an apparatus for propelling an oil film bearing in and out of a cylinder journal on a rolling mill comprising a hydraulically actuated annular piston / cylinder unit mounted on a cylindrical section of the journal cylinder The cylindrical sleeve section is bounded at one end by a circular shoulder on the cylinder sleeve and at the opposite end by a circular groove in the cylinder sleeve. a retaining ring having pivotably lockable locking arms in positions seated in the groove. the piston / cylinder unit is operated in a first mode in an engagement relationship with the locking arms to propel the bearing into the cylinder trunnion and is operative in a second mode in an engagement relationship with the cam to propel the bearing out of the cylinder sleeve. the piston / cylinder unit and locking arms having complementary tapered surfaces arranged to co-act in pushing the locking arms into two seating positions in response to meeting the piston / cylinder unit with the locking arms.