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Help CenterNQ 3000m!!!HFR-8 Full Hydraulic Core Drilling Rig
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Specifications
HFR-8 Full Hydraulic Core Drilling Rig1.Self-propelled
2.0~90 mast angle
3.Famous brands components
4.Excellent performance
HFR-8 Geotechnical drilling machine
I.General Introduction
HFR-8 Hydraulic Core Drilling Rig, an up-to-date multifunctional product made by Zhengzhou Prospecting 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 N·m(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 labour intensity, improve drilling efficiency and guarantee operator's safety..
HFR-8 is excellent in performance, high in working efficiency, easy for operation and keep the operators from dangers.
II.Main Parameter of HFR-8:
Power Unit |
Power |
276 kW (370HP) at 2100 r/min |
Drilling Capacity |
NQ |
3000m(9840 feet) |
HQ |
2400 m(7872 feet) |
|
PQ |
1700 m(5576 feet) |
|
Drill Head |
RPM of Spindle |
Three Shifts/ Stepless ChangeThree 0-1250 RPM |
Max. Torque of Spindle |
7200 N·m(5307 lbf·ft) at 170 rpm |
|
1300 N·m(958 lbf·ft) at 1250 rpm | ||
Spindle Diameter |
121 mm(4.76 inch) |
|
Max. Lifting capacity of Spindle |
295 kN(66316 lbf) |
|
Max. Feeding Power |
152 kN(34170 lbf) |
|
|
Capacity of Main Hoist |
Hoisting force (single wire) |
120kN(26976 lbf) |
Steel Wire Diameter |
21.5 mm(0.85 inch) |
|
Steel Wire Length |
50m(164feet) |
|
|
Capacity of Wireline Hoist |
Hoisting Force (single wire) |
15 kN(3372 lbf) (bare drum) |
Steel Wire Diameter |
6.3 mm(0.25 inch) |
|
Steel Wire Length |
2800 m(9184 feet) |
|
Mast |
Effective Hoisting Height |
9.6 m(31.5 feet) |
Mast Adjusting Angle |
0°----90° |
|
Drilling Angle |
45º off horizontal to 90ºvertical down |
|
Feeding Stroke |
4700 mm(185 inch) |
|
Slippage Stroke |
1100 mm(43 inch) |
Foot Clamp |
Clamping Scope |
55.5-117.5 mm(2.19-4.63 inch) through hole 154mm(6.06 inch) |
Mud Pump |
Type |
Reciprocating Pump Triplex Plunger |
Model |
BW320 |
|
Stroke |
110mm(4.3 inch) |
|
Output volume |
320,230,165,118 L/min (84.5, 61, 44, 31 US Gallons/min) |
|
Discharge pressure |
4.0, 5.0, 6.0, 8.0 Mpa (580, 725, 870, 1160 psi) |
|
Others |
Weight |
25000 Kg (55125 lb) |
Transport Dimensions (L × W ×H ) |
8300×2400×3500mm (326.8×94.5×137.8 inch) |
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