BOOM DEVICE FOR DRILLING RIG AND DRILLING RIG Russian patent published in 2013 - IPC E21B7/02 E21B19/08 

FIELD: mining.

SUBSTANCE: drilling rig comprises a transport unit, which includes a motor for development of a motive force for movement of the drilling rig and for development of a driving power for a connected boom device, which comprises a unit of guide beams for arrangement of capable of displacement of at least one drilling block, a bearing block for connection with a rotary block and its supports, a boom block arranged between the rotary block and the unit of guide beams for movement of the unit of guide beams in planes arranged substantially at the right angle to the main plane for the bearing block. The rotary block is adapted for rotation of the unit of guide beams around the axis, which is substantially perpendicular to the main plane, and the bearing block may connect to the transport unit, being a part of the drilling rig, and designed for movement of the drilling rig. The bearing block has joint connection elements, designed for connection aside with the bearing device directed to the side and attached to the transport unit, and the bearing block has a lower support side for arrangement with support against the outer underlying surface.

EFFECT: possibility to do drilling in a large range of angles and with higher extent of freedom.

14 cl, 8 dwg