Rock Drilling Rig for Sale
Rock drilling equipment is a high efficiency borehole drilling equipment. It is an important tool in rock excavation, such as mining, railway, transportation, and water conservancy construction. According to its power, rock drilling machines mainly include pneumatic rock drill, diesel rock drill, electric rock drill and hydraulic jack drill. Types of Rock Drill Machines: The pneumatic rock drill drives the piston forward in the cylinder by air compressor, so that drill bit can hit the rock. The impact rod rotates back and forth and forms a circular blast hole. Gas powered rock drill mainly consist of air cylinder-piston assembly, gas distribution device, steel brazed rotary mechanism, control valve and flushing-blowing mechanism. Diesel rock drill has the advantages of convenient operation, saving time and labor, fast cutting speed and high efficiency. Drilling holes in the rock can be less than 45 ͦ horizontally, and the deepest vertical hole can be up to 6m. Diesel d...