300m Mining Quarry Small Crawler Portable Hydraulic DTH Borehole Drilling Rig

300M Mining Quarry Small Crawler Portable Hydraulic DTH Borehole Drilling Rig Drilling depth: 30-300M hole diameter : Max.500mm Working speed:30M/hour Character of the Hydraulic DTH Borehole Drilling Rig 1. Adopt Low speed high torque hydraulic motor drive rotary device output torque 2. The advantage of cylinder is promoting more stable, less failure significantly than the motor propulsion. 3. Equip two filter effectively to ensure the safety of diesel engine intake and prolong engine life. 4. It can readily monitor rig hydraulic system pressure and boost pressure to ensure the rig stable and efficient operation. 5.Using well-known brands of multi-way control valve, superior performance, handle centralized, easy to operate. 6. Reliable crawler rig tension device to ensure reliability. 7. Establishment of lighting for night operations, maintenance of necessary conditions. 8. Rod libraries established to facilitate the operation and protection of the drill rod. Application for bore hole drilling rig PST30 Bore hole drilling rig is a high efficient machine , it can drill 30M each hour . It can be widely used for many areas .Such as railway, water conservancy , geological survey bridges, dam foundation and other buildings, drilling geological core drilling, small grouting hole, blast hole, small hole wells