E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 20/00 (2006.01)
Patent
CA 2523278
Device for rock bolting with an adapter device (10) for connection of a drilling machine (3) to a self drilling rock bolt (7), said adapter device including an adapter element (14) which is sealingly surrounded by a swivel sleeve (13) for connection to (one) external (source) sources for flushing medium (8) and bolt grouting medium (9), wherein the adapter element includes a thread for connecting to a corresponding thread on the rock bolt (7), and an integral connection portion for connection to the drilling machine (3). The invention also concerns a device for automatized rock bolting and a method for rock bolting.
L'invention concerne un dispositif de soutènement par boulons d'ancrage comprenant un dispositif d'adaptation (10) permettant de connecter une machine de forage (3) à un boulon d'ancrage à auto-forage (7), le dispositif d'adaptation comprenant un élément d'adaptation (14) entouré de manière étanche d'un manchon de tête d'injection (13), aux fins de connexion à une ou plusieurs sources externes d'un milieu de balayage (8) et d'un milieu de scellement de boulon (9), et un filetage destiné à se connecter au filetage correspondant sur le boulon d'ancrage (7), ainsi qu'une partie de connexion monobloc destinée à être connectée à la machine de forage (3). L'invention concerne également un dispositif destiné au soutènement par boulons d'ancrage automatisé et un procédé de soutènement par boulons d'ancrage.
Jonsson Per
Oeberg Fredrik
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
LandOfFree
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