Full Hydraulic Diamond Core Drilling Rig (HCR-8)

HCR-8 Hydraulic Core Drilling Rig, an up-to-date multifunctional product made by Lianyungang Huanghai Machinery Co., Ltd, is a thoroughly new-type hydraulic core drilling rig developed on the basis of the market demand and the advanced techniques in the world. It is suitable to use in plains, hills, high temperature as well as low temperature places. The main machine is integrated in structure, which consists of self-propelled chassis, power, mud pump and hoist, etc. It is wire-line coring, and at the same time has the unique top drive function. The maximum torque is 7200 Nm (5307 lbf ft), which will be much more suitable for large dia. Drilling in coal bed methane, hydrology and water well. According to many years of experience in HDD field, our engineers install clamp and shackle device on the rig to relieve labor intensity, improve drilling efficiency and guarantee operator's safety...HCR-8 is excellent in performance, high in working efficiency, easy for operation and keep the operators from dangers.Power UnitPower276 kW (370HP) at 2100 r/minDrilling CapacityNQ3000m (9840 feet)HQ2400 m (7872 feet)PQ1700 m (5576 feet)Drill HeadRPM of SpindleThree Shifts/ Stepless ChangeThree 0-1250 RPMMax. Torque of Spindle7200 Nm(5307 lbf@ft) at 170 rpm1300 Nm(958 lbf@ft) at 1250 rpmSpindle Diameter121 mm (4.76 inch)Max. Lifting capacity of Spindle295 kN(66316 lbf)Max. Feeding Power152 kN(34170 lbf)Capacity of Main HoistHoisting force (single wire)120kN(26976 lbf)Steel Wire Diameter21.5 mm (0.85 inch)Steel Wire Length50 m (164 feet)Capacity of Wireline HoistHoisting Force (single wire)15 kN(3372 lbf) (bare drum)Steel Wire Diameter6.3 mm (0.25 inch)Steel Wire Length2800 m (9184 feet)MastEffective Hoisting Height9.6 m (31.5 feet)Mast Adjusting Angle0°_90°Drilling Angle45º off horizontal to 90ºvertical down Feeding Stroke4700 mm (185 inch)Slippage Stroke1100 mm (43 inch)Foot ClampClamping Scope55.5-117.5 mm(2.19-4.63 inch)through hole dia 154mm(6.06 inch)Mud PumpTypeReciprocating Pump Triplex PlungerModelBW320Stroke110mm (4.3 inch)Output volume320,230,165,118 L /min(84.5, 61, 44, 31 US Gallons/min)Discharge pressure4.0, 5.0, 6.0, 8.0 Mpa(580, 725, 870, 1160 psi)OthersWeight25000 Kg (55125 lb)Transport Dimensions (L × W ×H )8300×2400×3500mm(326.8×94.5×137.8 inch)