Roll stand arrangement for single strand rolling

A block-type roll stand arrangement for single strand rolling in a rolling line, the roll stand arrangement comprising roll stand housings mounted on a support structure, the roll stand housings being of identical construction and each receiving a pair of roll support shafts and drive gear units therefor, the roll stand housings being arranged one behind the other with the roll support shafts being alternatingly inclined at an angle relative to the rolling line, the support structure comprising a base plate and a plurality of pairs of plate support members vertically mounted on the base plate and having support surface, side flanges being attached to opposite sides of each roll stand housing, the side flanges being releasably attached to the support surface of the plate support members, further comprising stiffening elements arranged between the plate support members, the plate support members having side surfaces facing side surfaces of adjacent plate support members wherein the stiffening elements are comprised of angle sections each having a symmetrical cross-section, the angle sections having parallel outer edges and angle-shaped front and rear side edges, wherein the outer edges of the angle sections rest on and are connected by welding to the base plate and the front and rear side edges rest against and are connected by welding to the side surfaces of the plate support members.