HT71 (CYTC76A) is a medium-sized mid-deep hole mining drill rig with a drilling diameter of 76-89 mm. The rod magazine can hold 27+1 drill rods, and the maximum drilling depth can reach 42 meters (with 1525 mm drill rods). It can drill fan-shaped holes in vertical and inclined sections as well as 1.5-meter bench holes. Equipped with a high-performance top hammer rock drill and the Huatai EHPCS rig control system, it provides users with a mining operation solution featuring high-precision positioning, high drilling quality, and high production efficiency.
Precise Positioning
With a drilling diameter of 76-89 mm, the rod magazine can hold 27+1 drill rods, and the maximum drilling depth can reach 42 meters. It can drill fan-shaped holes in vertical and inclined sections as well as 1.5-meter bench holes. Equipped with a high-performance top hammer rock drill and the Huatai EHPCS rig control system, it provides users with high-precision positioning.
| Overall Performance | HT71 (CYTC76A) | |
| Application Range | 3800×3800——6000×6000mm | |
| Overall Dimensions | 8810×2400×2200(2910)mm | |
| Ground Clearance | 270mm | |
| Overall Weight | 16500kg | |
| Rock Drill | ||
| Rock Drill | RC2200 | YYG22U |
| Impact Power | 21kW | 22kW |
| Impact Frequency | 55Hz | 55Hz |
| Impact Pressure | 200bar(max) | 220bar(max) |
| Rotation System | Independent Rotation | Independent Rotation |
| Rotation Speed | 0-285r/min | 0-220r/min |
| Rotation Torque(max) | 720N.m | 1050N.m |
| Drilling Diameter | Φ76-89mm | Φ76-89mm |
| Feeder | 1220 Drill Rod | 1525 Drill Rod |
| Total Length | 3160mm | 3465mm |
| Mechanized Drilling Depth | 35m | 42.6m |
| Rod Magazine Capacity | 27+1 | 27+1 |
| Boom | ||
| Cradle Rotation | ±180° | ±180° |
| Pitch Angle | +25°/-65° | +25°/-65° |
| Compensation Stroke | 900mm | 1050mm |
| Parallel Hole Range | 1500mm | 1500mm |
| Chassis | ||
| Travel Speed | 15km/h | |
| Turning Radius | Inner 3820mm Outer 6550mm | |
| Engine | Cummins Stage IV Diesel Engine | |
| Power | 81kW(2500r/min) | |
| Torque | 480N.m(1600r/min) | |
| Total Installed Power | 87.5kW | |
| Main Motor Power | 75kW | |
| Voltage(Customizable) | 380V(Customizable) | |
| Water System | Air System | Hydraulic System | |||
| Max Water Discharge(12bar) | 4m³/h | Air Displacement(8bar) | 1m³/min | Filtration Precision | 10μm |
| Min Water Inlet Pressure | 2bar | Air Tank Capacity | 60L | Oil Tank Capacity | 245L |
Product Highlights
Mid-deep hole mining drill rig with a high-level drilling system and industry-leading drilling performance, ensuring a long service life of drilling tools;
Equipped with various alarm and protection devices for low oil level, high oil temperature, filter clogging, rock drill lubrication monitoring, etc.;
Four-wheel drive chassis with articulated steering, strong power, and excellent climbing ability, capable of climbing 14° ramps;
Capable of traveling quickly and safely in narrow tunnels, with good visibility and body stability for the entire drill rig.
