HOLE DRILLING MACHINE Russian patent published in 1997 - IPC

FIELD: mining industry. SUBSTANCE: this is rotary-bit machine for drilling blastholes in quarries. For more stability, improved working conditions and higher reliability of compressor in high-temperature environment, machine has mast, rod incorporated in mast, drive compartment with front, rear and side walls, and lateral partitions which form sections which incorporate respectively post for drilling machine operator with control desks, compressor with radiator coil, air pipeline for connecting compressor with drill rod, and water tank with pump. Water tank is located in front part of machine in partition of drive compartment. EFFECT: high efficiency. 3 cl, 2 dwg