ARRESTING AND REGULATING MECHANISM OF CROSS SCREW ROLLING MILL Russian patent published in 2001 - IPC

FIELD: rolled tube production, namely arresting and regulating mechanisms of cross screw rolling mills. SUBSTANCE: mechanism includes frame, arresting head hinged by means of drive unit, end cover and arresting lock. In body of head stepped spindle is mounted in rolling bearings, it carries thrust roller bearing. End cover has base in the form of ring and П-shaped bridge rigidly joined with base; base and bridge form window between them. End cover has two different-diameter turnings having sealings and concentric relative to steps of spindle. Stem of spindle has threaded portion, nuts placed in said portion, in window of cover and intermediate sleeve arranged between nut and rolling bearing unit. Mechanism allows to reduce additional time period for regulating bearing unit. EFFECT: enhanced efficiency. 3 dwg