DTH drilling rig machine is a new efficient, semi-mechanized rock drilling equipment.A simple sturcture,small size, easy handle,light weight characteristics.Widely used in open pit and underground mining and engineering blasting drilling holes and anchor holes, convenient and flexbile. It's especially suitable forrugged and accident areas where other DTH drilling carriage can not work normally. DTH drilling rig using electricenergy as power, low noise, strong power. The drilling speed is 3-8 timesof that of a rock drill. The drilled ore can live a very high rock drilled with a hardness in the range of F=8-18. The drilling depth per hour is about 8-16 meters.