600 down the hole drilling rig amphibious

Roller drills use the rolling action of roller bits to crush ore rocks, suitable for drilling holes with a diameter of 150-440 millimeters in hard ore rocks. It has the advantages of high efficiency and low labor intensity, and is widely used in large and medium-sized open-pit metal mines. The down the hole (or roller) drilling rig consists of an impactor (or drill bit), a rotary mechanism, a lifting mechanism, a pressurization device, a walking mechanism, a slag discharge system, a drill frame, and drill rods. Rotary drilling machines are only suitable for drilling softer rocks and coal.