FIELD: mining.
SUBSTANCE: invention relates the mining industry, tunnel driving and drilling boreholes. The unit is composed of the base, to which the drilling mounting lever is hinged. The latter contains the internal and the external levers; the internal lever has the first and the second ends and the external lever has a hinged end and a free end; the first end of the internal lever is connected by means of the first hinge with the base and the second end of the internal lever is connect d by means of the second hinge with the hinged end the external lever, the mounting device for installation of the drill provided at the free end of the external lever and the actuator for driving the mounting unit provided at the free end of the external lever are actually arranged rectilinearly, which makes it possible to operate the unit in confined spaces.
EFFECT: possibility to operate the drilling unit in confined spaces.
21 cl, 21 dwg
