Coal Mine Underground DTH Drill Rig

Drill holes for discharging gas, water exporation, grouting and blasting in tunnels, Safty certificate of approval for coal mine - details see: https://www.machineto.com/coal-mine-underground-dth-drill-rig-10313728

Condition:New	Type:DTH,Drilling Rig	Place of Origin:Hebei China (Mainland)	Brand Name:Huatai
Model Number:MKQJ90/25 and MKQJ120/40	Usage:Coal	Application:Coal mine

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MKQJ90/25, MKQJ120/40 Coal Mine Underground DTH Drill Rig

The MKQJ90/25 and MKQJ120/40 Coal Mine Underground DTH Drill Rig features light in weight, easily transported, strong torque for anti-jamming, and could drill holes with protecting pipes etc. The Drill Rigs is suitable to drill holes for discharging gas, water exploration, grouting and blasting in tunnels, and widely used in mining, hydro-power station, railroad, highway and construction engineering etc. With its SAFETY CERTIFICATE OF APPROVAL FOR COAL MINEING PRODUCTS, the drill rigs are applicable for drilling holes in underground coal mines.

Technology Specification

Item\Model	MKQJ90/25,	MKQJ120/40
Hole size	Ø 65-Ø90mm	Ø90- Ø120mm
Hole depth	down30m	down80m
Working medium	All kinds of rocks	All kinds of rocks
Feed stroke at once	1000mm	1000mm
Feed force	0-7800N	0-15600N
Rotary speed	0-90rpm	0-70rpm
Air pressure	0.7MPa	0.7-1.2MPa
Air consumption	12m³/min	12-17m³/min
Total weightwithout DHD hammer and bit	375kg	590kg