DRILLING DEVICE AND PLANT FOR ROCK DRILLING AND/OR FOR SUPPORT SETTING WITH ROOF BOLTING, COMPRISING SUCH DEVICE Russian patent published in 2013 - IPC E21B7/02 E21B15/00 E21C25/00 

FIELD: mining.

SUBSTANCE: boom unit comprises the first boom area, having the first end and the second end, besides, the first end is designed for fixation to a bearing device, and the second end is designed to carry a drilling machine, the first rotary facility with the first axis of rotation and the second rotary connecting facility with the second axis of rotation. The first rotary connecting facility is arranged on the first end of the first section of the boom, and the second rotary connecting facility is located on the second end of the first section of the boom, so that axes of rotation are fixed relative to each other and create angles with vertical direction of the bearing device, making from 0 to 45°. The first section of the boom is designed to carry the drilling machine by means of the third rotary connecting facility for provision of the possibility of drilling in any radial direction, when observed from the axis of the third rotary connecting facility.

EFFECT: possibility to mine an ore body under conditions of low height of a mine.

25 cl, 9 dwg