A rock drilling rig includes a movable carrier with a boom attached to it and movable in various ways. The free end of the boom is provided with drilling equipment. The drilling equipment is enclosed in a casing that prevents noise generated during drilling from spreading to the surroundings.The casing is arranged to move together with a feed beam and relative to the cradle mounted on the end of the boom.A flexible noise attenuating skirt projects forwardly from a front end of the casing for forming a sealed chamber around a drilling head.
|Publication status||Published - 13 Mar 2001|
|MoE publication type||H1 Granted patent|
Vento, A., Tanttari, J., Saarinen, K. P., Julkunen, P., Lintu, V., Peltola, S., & Sormunen, T. (2001). Casing for noise attenuation in a rock drilling rig. (Patent No. US6199656B1). https://patents.google.com/patent/US6199656B1/