CLAMPING AND FIXING APPARATUS OF A REFRACTORY-MADE PLATE FOR A SLIDE GATE VALVE FOR CONTROLLING A MOLTEN STEEL FLOW

摘要

A clamping and fixing apparatus of a refractory-made plate 7 for a slide gate valve for controlling a molten steel flow comprising: providing plate-clamping fixtures 12, 12 rotatably in its plane direction and in contact with the inner side of a casing 13 and a guide piece 11, at both the ends at the plate side, of the guide piece 11 being supported by at least one guide 16 provided within the longer edge sides of the casing 13 which houses the refractory-made plate 7; inserting idly a nut 10 into a dovetail groove recess 11a provided in the other area of said guide piece 11; mounting to said nut 10 a bolt 9 which is rotatable passing through said casing 13; and providing said fixtures 12, 12 with respective surfaces of contacting the plate 7.