Clamping device for a refractory-made plate of a sliding gate

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 41/34 (2006.01)

Patent

CA 2403849

The object of the present invention is a clamp for clamping device for a refractory plate in a seating of a slide valve in a casting installation, the said clamp having on one hand a thrust zone whereon it can receive a clamping force tending to push the clamp against a refractory plate located in the seating and, on the other hand, two ends of which each is capable of being applied against one edge of the refractory plate. The clamp is characterised in that it is capable of being elastically deformed in that each of its two ends is conformed such that it bears against the corresponding edge of the refractory plate when a clamping force is applied to the clamp also bears against the wall of the seating under the effect of expansion of the plate or a greater clamping force. One of the advantages of the clamp, and in that the clamp is also deformed such that the clamp according to the invention is that it adapts automatically to the geometry of the plate which it is required to immobilise, so that variations in shape between plates due to their fabrication process do not cause any clamping problems.

L'invention concerne une bride de serrage d'un dispositif de serrage de plaque réfractaire dans un appui d'une vanne coulissante d'une installation de coulée. Ladite bride est dotée, d'une part, d'une zone de poussée sur laquelle une force de serrage peut s'appliquer de façon à pousser la bride contre une plaque réfractaire placée sur l'appui et, d'autre part, de deux extrémités, chacune pouvant s'appliquer contre une arête de la plaque réfractaire. La bride de serrage se caractérise en ce qu'elle peut se déformer élastiquement, que chacune de ses extrémités est conformée de façon à reposer sur l'arête correspondante de la plaque réfractaire lorsqu'une force de serrage est appliquée à la bride, et que cette dernière est également déformée de façon à également reposer sur la paroi du siège sous l'effet de la dilatation de la plaque ou d'une force de serrage plus grande. La bride de serrage est intéressante notamment parce qu'elle s'adapte automatiquement à la géométrie de la plaque qu'elle doit immobiliser, ainsi, les variations de formes entre les plaques, du fait de leur procédé de fabrication, n'engendrent aucun problème de serrage.

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