Patent ID: 8522591
Filing Date: 2013-09-03
Classification: B21B,Y10T

Abstract:
1. A device for changing a set of work rolls ( 7 , 8 , 22 ) in the area of a rolling stand ( 4 ) in a mill hall ( 1 ) having a roll-changing pit ( 10 ) and a side shift platform ( 23 ), where the side shift platform ( 23 ) has several track rollers ( 24 ) with which the side shift platform ( 23 ) can be moved in the direction of rolling or in the opposite direction by means of a hydraulic cylinder ( 28 ) over parallel rails ( 26 ) arranged on both sides of the roll-changing pit ( 10 ), wherein the side shift platform ( 23 ) is a simple bridge having a length substantially greater than the width of the roll-changing pit and designed to hold both a dismounted set of work rolls ( 7 , 8 ) and a new set of work rolls ( 22 ) arranged side by side and parallel to one another; where the side shift platform ( 23 ) is designed in such a way in its length and with its track rollers ( 24 ) that, on the one hand, during the extraction of the used set of work rolls from the rolling stand ( 4 ), it bridges the roll-changing pit and is supported on the rails ( 26 ) on both sides of the roll-changing pit ( 10 ), and, on the other hand, during its lateral displacement over the roll-changing pit ( 10 ) to free the pit, it can be supported on the rails ( 26 ) only on one side of the roll-changing pit ( 10 ).