E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 35/06 (2006.01)
Patent
CA 2541718
A boring rig (14) for underground excavating boring and including a substructure (21,22), propulsion means, stabilizing means (31,32,35,36,37,38,39,42), and a boring unit (20) having cutter head (29) rotation and forcing means (26), wherein the rig has a first direction of general travel and two sideways directions, and wherein the boring unit (20) is pivotally attached to the substructure for pivotal movement of the boring unit into an operating direction. The stabilizing means include horizontal (31,32) and vertical (35,36,37,38,39) stabilizing means that are attached to the substructure (21,22) in order, in active positions, to be pressed against an adjacent rock face so as to transmit forces from the boring unit (20), that are occurring during boring, to said rock face.
L'invention porte sur une installation de forage (14) pour excavations souterraines comportant: une substructure (21,22), des moyens de propulsion, des moyens de stabilisation (31,32,35,36,37,38,39,42), et une unité de forage (20) comprenant un moyen de mise en rotation et de pénétration (29) d'un trépan (26). L'installation permet de progresser dans une première direction de déplacement général et dans deux directions latérales, et l'unité de forage (20) est montée pivotante sur la substructure pour pouvoir se diriger dans la direction de forage. Les moyens de stabilisation comprennent un moyen de stabilisation horizontal (31,32) et un moyen de stabilisation vertical (35,36,37,38,39) solidaires de la substructure (21,22) et pouvant, en position d'activité, prendre appui sur les surfaces rocheuses voisines pour transmettre auxdites surfaces, pendant un forage, les forces résultant de la pression de l'unité de forage (20).
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
LandOfFree
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