E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 37/02 (2006.01)
Patent
CA 2146771
The invention relates to mining engineering and more specifically to hydraulic mechanisms for detaching mono- lithic blocks from the massive rock in obtaining natural stones. The hydraulic wedge apparatus comprises a wedge-shaped tool constructed as a main wedge (1) arranged between movable jaws (2 and 3), an auxiliary wedge (8) with a hydraulic cylinder (14) arranged between thrust members (5 and 6) mounted on a rod (4) connected to the main wedge (1) and adapted to interact with the main wedge (1) and the movable jaws (2 and 3). The hydraulic wedge apparatus is so designed as to provide for the use of the hydraulic wedge power pack of the hydraulic wedge in operating several wedge-shaped tools inserted into several holes or crevices. 4 claims, 3 figures of the drawings.
L'invention concerne l'exploitation minière, notamment des mécanismes hydrauliques destinés au clivage de blocs monolithiques de masses rocheuses pendant l'opération d'extraction de roches. Le dispositif à coins hydrauliques de l'invention comprend une unité d'exploitation en forme de coin se présentant sous la forme d'un coin principal (1) agencé entre des mâchoires séparables (2, 3), un coin auxiliaire (8) présentant un cylindre hydraulique (14) entre des éléments de support (5, 6), lesquels sont montés sur un axe (4) relié au coin princial (1) et agencés de manière qu'ils peuvent coopérer avec ledit coin principal et les mâchoires séparables (2, 3). La conception du dispositif à coins hydrauliques permet d'utiliser l'unité de commande des coins hydrauliques pour constituer un certain nombre d'unités d'exploitation en forme de coins insérés dans plusieurs trous de mine.
Marchenko Yury Nickolaevich
Sharapov Aleksandr Vasilevich
Gowling Lafleur Henderson Llp
Sovmestnoye Predpriyatiye "rida"
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