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The crawler type DTH drilling rig, also known as the DTH drilling rig, is mainly used for rock drilling work in open pit mining, road construction, water conservancy, power station and other projects. Adopting new hydraulic technology, the air consumption is low, the turning torque is large, the shifting hole is convenient, and the propulsion carriage has the telescopic function. When the drilling is carried out, the carriage is supported on the ground with good stability.
Technical parameters | Unit | 910B | 920B | 940B |
Applicable rock hardness | F | 6-20 | 6-20 | 6-20 |
Drilling diameter | mm | 80-105 | 80-105 | 165 |
Drilling depth | mm | 25 | 25 | 25 |
Walking speed | Km/H | 2 | 2 | 2 |
Climbing capacity | ° | ≤30 | ≤30 | ≤30 |
Dimension | mm | 4100×2030×2020 | 4400×2200×2050 | 5400×2330×2400 |
Total weight | Kg | 3400 | 4000 | 6800 |
Min ground clearance | mm | 254 | 290 | 320 |
Luffing Angle of the slide | ° | Overlook 118.5 look up 23.5 total 142 | Overlook 135 look up 50 total 185 | 180 |
Maximum swing angle of the carriage | ° | Left 36.5 Right 11.5 total 48 | Left 100 Right 45 total 145 | Left 36 right 89 |
Drill arm pitch angle | ° | Overlook 20 look up 15 total 35 | Overlook 50 look up 25 total 75 | -25-45 |
Drill arm swing angle | ° | · | Left 44 right 45 total 89 | ±45 |
Compensation length | mm | 900 | 900 | 1200 |
One push length | M | 2 | 3 | 3 |
Working pressure | MPa | 0.63-1.2 | 0.7-1.7 | 1-2.4 |
Air consumption | M³/min | 9-13 | 9-13 | ＞15 |
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