It is suitable for drilling large dia. hole and small dia. hole core drilling with diamond bit and carbide bit, also suitable for engineering geology drilling, hydrogeology drilling, water well drilling and large dia. pile hole drilling. It has features of reasonable arrangement, good quality, light weight, big capability, wide performance and good exchangability etc.
Drilling depth (m) | 1000 | |
Spindle speeds (r/min) | forward | 87; 160; 230; 270; 334; 500; 710; 1030 |
reverse | 72; 220 | |
Max.toque of spindle (Nm) | 4050 | |
Spindle stroke (mm) | 600 | |
Spindle inner dia. (mm) | 96 | |
Spindle pull/push force(kg) | 10000/7500 | |
Hoist max. lifting force with single rope(kg) | 4500 | |
Hoist lift speed with single rope (the third layer)(m/s) | 0.69; 1.27; 1.81; 2.64 | |
Hoist wire rope dia. and capacity (m) | Ф17.5(170kg/cm2)wire rope capacity 110 m | |
Ф18.5(170kg/cm2)wire rope capacity 90 m | ||
Workable speed of water brake (r/min) | 700- 1800 | |
Balance speed of water brake(single rope)/balanceload(single rope) | 3-8m/s/45kN | |
Hydraulic system | (32+12)L/min: 80kg/cm2 (32+12)L/min twin-gear pump,pressure:80kg/cm2 | |
Driving stem | Hexagonal kelly Ф89×79×6000 mm | |
Power unit | Electric motor | Y225-4 37Kw 1480r/min |
Diesel engine | R4105G54 42Kw 1500r/min | |
Weight (excluding power unit)(kg) | 2180 | |
Max. detachable subassembly (kg) | 320 | |
Overall dimension (L×W×H)(mm) | 2920×1100×1840 | |
