Device and method for installing a rock bolt and a rock bolt installation rig
A device (5) for installing a pressure fluid expandable rock bolt (4) of the kind having a tubular expansion portion and a fitting portion, said device at a distal portion having chuck means for gripping the fitting portion and for establishing a sealed connection between a fluid source and the inle...
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| Format: | Patent |
| Sprache: | eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | A device (5) for installing a pressure fluid expandable rock bolt (4) of the kind having a tubular expansion portion and a fitting portion, said device at a distal portion having chuck means for gripping the fitting portion and for establishing a sealed connection between a fluid source and the inlet, said device extending essentially in an axial direction. The device includes at a proximal portion a holder portion (11) that is adapted to be fitted to a drill string engagement element (27) of a rock drilling machine. The invention also concerns a method and a rig. |
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