Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent
1986-05-14
1988-03-08
Andrews, Melvyn J.
Metallurgical apparatus
Means for treating ores or for extracting metals
By means applying heat to work, e.g., furnace
414207, F27B 120
Patent
active
047295490
ABSTRACT:
A handling device for the distribution spout of a shaft furnace is presented. The handling device comprises a front axle and a rear axle with each axle being mounted on movable rollers. The axles are positioned on two rails which are opposite an access aperture in the head of the furnace. The rails are suspended underneath a working platform positioned around the furnace head with a tilting frame mounted on the front axle. A supporting cradle for the spout is freely suspended at the front end of the frame and subjected to the action of a counterweight and a supporting cable. The rear end of the frame is articulated to the front ends of two arms mounted on the rear axle. Finally, a jack is pivotably mounted between the ends of levers, the levers being affixed to the rear axle and to the rear end of the frame respectively. As a result, the two articulation points between the jack and each of the two levers, together with the articulations between the frame and the two arms of the rear axle form a triangular configuration. This triangular configuration is deformable under the action of the jack whereby the frame is caused to tilt about the axis of its supporting axle.
REFERENCES:
patent: 4525120 (1985-06-01), Legille et al.
Lonardi Emile
Spedener Carlo
Andrews Melvyn J.
Paul Wurth S.A.
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