Sound dampening housing for rock drill

Details Sound dampening housing for rock drill Sound dampening housing for rock drill

E - Fixed Constructions

21

B

E21B 7/02 (2006.01) B25D 17/11 (2006.01) E21B 15/04 (2006.01)

Patent

CA 2682341

The invention relates to a sound dampening housing (7) for a rock drill which moves along a feed beam in a longitudinal direction thereof, the sound dampening housing (7) being attachable to the feed beam (6) of the rock drill on its both sides so that together with the feed beam (6) the sound dampening housing constitutes a substantially closed space. The sound dampening housing (7) is double-shelled, and an airspace is provided between its inner shell and its outer shell.

L'invention concerne un logement insonorisé (7) destiné à une perforatrice de roches qui se déplace le long d'une tige d'alimentation dans sa direction longitudinale, le logement insonorisé (7) étant fixé à la tige d'alimentation (6) de la perforatrice de roches sur ses deux côtés de sorte qu'avec la tige d'alimentation (6), le logement insonorisé constitue un espace sensiblement fermé. Le logement insonorisé (7) comprend deux parois, et un espace aérien placé entre les parois interne et externe.

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