E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/00 (2006.01) E21B 27/00 (2006.01)
Patent
CA 2365005
A drill for drilling wide diameter and high depth holes in the soil including a base machine (1) having a rotary (2) that is equipped with a clamp (9) and, by means of translation cylinders (8), rotates and axially moves a series of drill stem (7) having a tool (6) at the free end thereof, includes: a hydraulic joint (3) linked to the rotary (2); at leat a winch (4) linked to the hydraulic joint (3) and provided with at least a wire rope (18); a carrier canister (5) slidely connected with the stem (7) between the rotary (2) and the tool (6) by means of at least the wire rope (18); at least a winch (4), a wire rope (18), a carrier canister (5) are rotated together with the stem (7) of the rotary (2) in correspondence of an operating condition of the drill.
L'invention concerne un trépan permettant de pratiquer des trous plus larges et plus profonds dans le sol, le trépan comprenant une machine (1) de base dotée d'un élément rotatif (2) équipé d'une bride de serrage (9) et qui, grâce à des cylindres (8) de translation, effectue une rotation et déplace dans l'axe une série de trains de tiges (7) de forage comportant un outil (6) à leur extrémité libre, la machine de base comprenant : - un joint (3) hydraulique relié à l'élément rotatif (2) ; - au moins un treuil (4) relié au joint (3) hydraulique et comprenant au moins un câble métallique (18) ; - un contenant (5) de transport relié coulissant au train de tiges (7),entre l'élément rotatif (2) et l'outil (6), au moyen du câble métallique (18) ; le treuil (4), le câble métallique (18) et le contenant de transport (5) effectuant un mouvement de rotation en même temps que le train de tiges (7) de l'élément rotatif (2) pendant le fonctionnement du trépan.
Borden Ladner Gervais Llp
I.m.t. S.p.a.
LandOfFree
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