20-25m 110-115mm pneumatic DTH drill for rock drilling 

HQZ series engineering drilling machine is a kind of submersible electric electric rotary drilling rig, it is the ideal of bored piles into holes . It can make several groups into drill combination drilling used in underground continuous wall and shaft anti-seepage curtain engineering construction, etc. For silt , clay and gravel layer and weathered shale formation drilling. Widely used in civil ,traffic,water conservancy, electricity, ports and other projects of foundation construction.

Application

HQZ type DTH drilling rig is mainly used for open-pit mine blasting hole chisel, it can also be used for construction, water conservancy, power engineering, highway, rail and military engineering and other outdoor drilling operations. It is one of the mainly perforation equipment in small and medium-sized open-pit mine.

HQZ type DTH drill in under 3000m altitude, temperature of 35degree celsius to 40 degree celsius - climate conditions all can use. Usually in 12 to 15m on the steps of driling and 60 75 90 degree celsius within the scope of the 150mm diameter inclined or vertical hole.

Technical Parameters: