System for replacing section rolling mill stands, multi-function stand-bearing trolley for positioning on the rolling sites and transport towards the pre-assembly sites
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United States of America Patent
Stats
-
Oct 7, 1986
Grant Date -
N/A
app pub date -
Jun 14, 1984
filing date -
Jun 17, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The system according to the invention comprises: stand-bearing trolleys capable of independent displacements in the longitudinal and transverse directions, each constituted by two longitudinal members on which the stand is fixed and supported by axle-less wheels driven by on-board motors and by two transverse members supported by axle-less wheels driven by on-board motors; longitudinal and transverse tracks connecting the rolling sites, the siding sites and the pre-assembly sites; intersections of tracks; counter-rails disposed vertically on either side of the tracks; hydraulic jacks serving to fix the stands on the trolleys and for lifting the stands for adjusting the level of the rolling plane; bed plates upstream and downstream of the rolling sites serving to lock the stands in rolling position; on the rolling sites, coupling hooks serving for the precise positioning of the stands in rolling position and where necessary for the displacements of the stands during rolling, to bring different passes into the rolling axis of the rolling mill.
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