Official Export Subsidiary of Kaishan Group (Est. 1956) | Quzhou Manufacturing Base
Our Quzhou engineering desk calculates the exact borehole diameter, rock hardness, and necessary CFM/Bar ratio for your project.
Category Showcase
Kaishan DTH Drilling Rigs
Heavy-duty surface crawlers and integrated rigs for open-pit mining, quarry blasting, and slope stabilization. High penetration rate and anti-jamming hydraulic system.
EQUIPMENT CATEGORIES
Combines the heavy DTH drilling system and an onboard two-stage rotary screw compressor delivering 20 m³/min at 22 bar (319 psi). Powered by a heavy-duty 295 kW (400 HP) Yuchai YCK09400 diesel engine, eliminating trailing air hoses and cutting total jobsite fuel consumption by up to 30%.
High-reduction rotary gearbox delivers 4,000 N·m torque at 0–100 rpm with 25 kN feed force. The extended 4,010 mm one-time advance stroke accommodates heavy Φ76/Φ89 mm drill pipes and 5" DTH hammers, enabling rapid single-pass drilling for ⌀115–165 mm holes down to 25 meters.
Equipped with an onboard hydraulically driven cyclonic laminar flow dust collector that captures silica dust directly at the hole collar. The heavy 12,100 kg crawler chassis features 430 mm ground clearance, dual-speed tramming (2.5 / 3.5 km/h), and ±10° frame leveling for stable 25° slope drilling.
| Parameter | KT9C Specification |
|---|---|
| Drilling hardness | f=6-20 |
| Drilling diameter | Φ115-165 mm |
| Depth of economical drilling | 25 m |
| Travelling speed | 2.5/3.5 km/h |
| Climbing capacity | ≤25° |
| Ground clearance | 430 mm |
| Power of the complete machine | 295kW/1900r/min |
| Diesel engine (choose) | Yuchai YCK09400-T300 |
| Screw compressor | Two-stage compression 20 m³/min / 22 bar |
| Outer dimensions (L×W×H) | 8250×2300×3200 mm |
| Weight | 12100 kg |
| Rotation speed of gyrator | 0-100 r/min |
| Rotary torque (Max) | 4000 N·m (Max) |
| Maximum push-pull force | 25KN |
| Lifting angle of drill boom | Up 47°, down 20° |
| Tilt angle of beam | 120° |
| Swing angle of carriage | Right 35°, left 95° |
| Swing angle of drill boom | Right 39°, left 34° |
| Leveling angle of frame | ±10° |
| One-time advance length | 4010 mm |
| Compensation length | 900 mm |
| DTH hammer | 5" |
| Drilling rod | Φ76/Φ89×3000 mm |
| Method of dust collection | Dry type (hydraulic cyclonic laminar flow) |
A: The KT9C is a significantly heavier, more powerful class of rig. It upgrades engine output to 295 kW (versus 162–191 kW on KT7), increases onboard two-stage compressor capacity to 20 m³/min @ 22 bar (versus 15–17 m³/min @ 18 bar), boosts rotary torque to 4,000 N·m, and extends one-time advance stroke to 4,010 mm for larger ⌀115–165 mm blast holes.
A: No. The KT9C is completely autonomous. The 295 kW Yuchai diesel engine powers the hydraulic drilling and tramming systems while directly driving the onboard 22-bar two-stage screw air compressor, operating with zero trailing hoses.
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Founded in 2022 in Quzhou City, Zhejiang Province. Operating as the global integrated export arm of Kaishan Group, delivering heavy-duty DTH drill rigs, water well exploration machinery, and screw air compressors worldwide.
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