Patent ID: 6425278
Filing Date: 2002-07-30
Classification: B21B

Abstract:
A roll changing apparatus of a rolling mill, comprising:a pull-out rail, provided on a front surface of a work side of the rolling mill, for pulling out a work roll assembly; a shift rail movable in upward and downward directions, and extending in a direction intersecting with the pull-out rail; hoisting/lowering driving means for lowering the shift rail at a time of pulling-out of the work roll assembly, and for hoisting the shift rail after the work roll assembly is pulled out along the pull-out rail as far as an intersection of the pull-out rail and the shift rail; and shifting/driving means for moving the work roll assembly in a shifting direction along the shift rail when the work roll assembly has been pulled out to the intersection of the pull-out rail and the shift rail, and the shift rail has been hoisted.