KJ311 Plateau Type Tunnel Jumbo Drilling Rig
Features:
KJ311 Hydraulic Tunneling Drilling Rig（Plateau Type) is designed for high altitude construction, It is suitably qualified for the drilling of hard rock mine whose section falls in the range of 12－35 square meters.
The firm flexible boom is capable of optical coverage of the section; 360° rotation and self-leveling beam make drill positioning easy; It can also be used for the drilling of lateral cross-cut and rock bolt;
The drill rig provides a good view for the operator; balanced layout and the articulated chassis of four-wheel drive ensure the flexible,fast and safe driving in the narrow tunnel;
The stepped piston is used for the high-frequency impacting rock drill and this can improve the transmission efficiency of impact wave and drilling speed and reduce the consumption of drilling tools and make it in good condition;
Considerable space and automatic functions enable the driver to concentrate on drilling in a safe, fast and accurate manner;
All the relevant parts are kept in good protection, meanwhile maintenance easily.
| Dimensions and weight | Air & water system | |||||||||||||||
| Length | 11300mm | Air compressor | 1*JN5 | Oil Consumption of lubrication | 180-250g/h | |||||||||||
| Width | 1750mm | Capacity of air compressor | 0.5m³/min | |||||||||||||
| Height | 2000/3000 mm | Pressure | 6-8bar | Water pump | 1xCR3 | 1xCR5 | ||||||||||
| Weight | Appr. 12000㎏ | Device of shank lubrication | Electronic pulse lubrication pump | Power | 1.5kW | 5.5kW | ||||||||||
| Tramming speed on flat ground | 10km/h | Air consumption of lubrication | 0.3m³/min | Capacity of water pump | 3m3/h | 6m3/h | ||||||||||
| Maximum climbing capacity | 25％(14°) | |||||||||||||||
| Chassis | ||||||||||||||||
| Diesel engine | Cummins QSB3.9-C125/93kW/2200rpm | Tires | 11.00-20 | |||||||||||||
| Exhaust purification | Exhaust catalyst | Steering mechanism | Articulated steering: ±40° | |||||||||||||
| Safety protection | Drive system | Closed hydraulic system for four-wheel driving | Travelling braking | Two-circuit hydraulic brake | ||||||||||||
| Noise level | ＜100dB(A) | Swing angle | Swing of rear axle: ±10° | Parking braking | Wet multidisc brake of reducer | |||||||||||
| Lifting safety roof | Meet the requirements of FOPS and ROPS | Fuel tank | 60L | |||||||||||||
| Drilling system | Electric hydraulic power unit | |||||||||||||||
| Rock drill | 1×HC50/R38 | 1×HC109/R38 | 1×HC95LM/R38 | Motor(Plateau type) | 55kW | 75kW | ||||||||||
| Impact power | 13kW | 18.8kW | 21kW | Impact /Feed/ Positioning | Axial variable displacement piston pump | |||||||||||
| /Impact flow | 105L/min | 135L/min | 100-120L/min | Rotation | Gear pump | |||||||||||
| Impact pressure | 130bar | 135bar | 180-200bar | Filter fineness | 10µ | |||||||||||
| Maximum rotary pressure | 150bar | 150bar | 210bar | Hydraulic oil tank | 240L | |||||||||||
| Impact Frequency | 62Hz | 47Hz | 62 Hz | Hydraulic cooler | Water cooler | |||||||||||
| Torque | 325Nm | 780Nm | 764Nm | Working voltage | 380V | |||||||||||
| Hole diameter | Φ32-76mm | Φ42-102mm | Φ42-102mm | Frequency | 50Hz | |||||||||||
| Beam rotation | 360° | Starting method | Star-triangle | |||||||||||||
| Feed extension | 1600mm | Cable reel | 1*F440 | |||||||||||||
| Model of drill boom | K 26F | Length of reel cabling | 100m | 80m | ||||||||||||
| Form of drill boom | Self-leveling | Outer diameter of cable | Φ28mm | Φ32mm | ||||||||||||
| Boom extension | 1200mm | Cable specifications | 3×35+3G6 | 3×50+3G6 | ||||||||||||
