KJ311 High Clearance Two-Arm Tunneling Jumbo

KJ311 elevated chassis two-arm tunneling jumbo is customized upgraded model based on standard KJ311 for waterlogged high-floor underground roadways. The core upgrade is lifted chassis with 45% higher ground clearance, matched with widened anti-slip waterproof crawler and multi-layer chassis waterproof seal to solve scraping, slipping and water ingress problems on muddy gravel floors. It inherits mature 360° dual booms, 17kW hard rock drill, 4WD articulated chassis and dual local & remote intelligent control with unchanged drilling efficiency and greatly improved wading capacity. Compliant with international mining Ex and IP65 standards, all chassis power and hydraulic parts are reinforced for long-term 24-hour heavy-duty operation in flooded mines. Custom chassis height and full-set export service are available for overseas waterlogged metal mines, drainage roadways, long trunk tunnels and water tunnels.

Special lifted chassis with much higher ground clearance, avoid undercarriage scraping on water & gravel floors
Widened thick anti-slip track with texture, prevent slipping on mud and gravel
Full multi-layer chassis waterproof seal, no water ingress during short wading
360° full-range dual booms, full coverage for high & low roadways without blind area
17kW high-frequency hard rock drill, efficient drilling with intelligent anti-jamming
4WD articulated chassis, flexible steering, 24° gradient for excellent obstacle crossing
Dual local & wireless remote control, higher safety for high-risk flooded mines
Intelligent positioning & self-diagnosis, real-time monitoring to reduce downtime
Mining Ex explosion-proof & IP65 full seal, compliant for humid flooded underground
Modular layout for easy overseas maintenance, customizable chassis height