KSJ21 Full Hydraulic Medium Long Hole Mining Drill Rig

Machine Width: 1600mm compact narrow chassis

Boom System: 360° rotatable heavy-duty aluminum feed beam, optional 27+1 full auto rod storage & changer bin

Rock Drifter: HC22U high-frequency stepped piston hydraulic drifter

Drilling Spec: Hole diameter 64–102mm, max economical depth 35m, 25m under auto rod changing mode

Travel System: Closed hydraulic articulated 4WD chassis, min turning radius ≤5.2m, max gradient 14°

Overall Dimension: L6750 × W1600 × H2580/3000 mm

Safety Protection: FOPS & ROPS falling-rock proof canopy, explosion-proof exhaust purification, wet multi-disc brake

Ultra-narrow 1.6m frame custom-built for low narrow small-medium stopes 2.9–4m, barrier-free transit in confined mine drifts
Full 360° rotatable heavy aluminum feed beam with front-rear hydraulic jacks & rod guide cylinder ensures high straightness regular long holes
Max 35m economical drilling depth, optional full auto 27+1 rod storage & changer eliminates multi-person rod handling for single-operator independent work
HC22U stepped piston high-frequency drifter improves impact transfer efficiency for fast soft & hard rock penetration with low rod & bit consumable loss
Dual-purpose single machine for stope caving blast hole & surrounding rock cable bolt reinforcement, covering two core underground long-hole mining procedures
Closed hydraulic articulated lightweight 11-ton 4WD chassis with max 14° gradient, flexible U-turn & relocation with small turning radius in narrow stopes
FOPS & ROPS certified falling-rock safety canopy, wide vision trolley console, optional wireless remote control improves underground operation safety
Mining explosion-proof diesel power with exhaust catalytic purifier, compliant for underground mining with gas and heavy dust
Built-in synchronous high-pressure air-water slag removal & dust suppression eliminates hole slag and dust during long-hole drilling to extend drifter seal service life
Full modular split layout for separate disassembly, maintenance and replacement of drilling, travel and hydraulic units for easy overseas service
Machine noise below 100dB(A) realizes low-noise underground work to improve miners’ operating environment
Lightweight total weight 11 tons cuts transportation & transit cost, matching procurement budget of small-medium mines