Patent ID: 6763565
Filing Date: 2004-07-20
Classification: B21B,Y10T

Abstract:
A roll changing apparatus for a rolling mill, comprising:rails, provided in a stand of the rolling mill and on a work side of the rolling mill, for incoming and outgoing of a work roll assembly and a backup roll assembly; and a pusher, provided on a drive side or the work side of the rolling mill, for roll admission and withdrawal for both of work rolls and backup rolls, wherein the rails for incoming and outgoing of the backup roll assembly in the rolling mill stand can be raised and lowered by hoisting and lowering means, a lower backup roll chock is equipped with a connecting fitting which can be connected to a drive end of the pusher at a raised position of the lower backup roll chock, and fixed rails for incoming and outgoing of the backup roll assembly on the work side are provided at a height consistent with a raised height of the rails for incoming and outgoing of the backup roll assembly in the rolling mill stand.