Rock drilling machine has drilling equipment inside cover designed to deaden noise

摘要

The drilling machine (1) consists of a tracked vehicle (1) with a mobile jib (3) and has its drilling equipment (4) enclosed in a cover (5) designed to deaden the noise of drilling. The cover is fixed to the drilling equipment advancing beam and moves together with it, while its inner surface is set at a certain distance from the beam. The drilling machine (1) consists of a tracked vehicle (1) with a mobile jib (3) and has its drilling equipment (4) enclosed in a cover (5) designed to deaden the noise of drilling. The cover is fixed to the drilling equipment advancing beam and moves together with it, while its inner surface is set at a certain distance from the beam. The end of the cover has a supple section (6) made from bristles or strips, and it is equipped with at least one trap door or transparent section allowing the operation of the drilling equipment to be observed.