HCR-8 is excellent in performance, high in working efficiency, easy for operation and keep the operators from dangers.
Specifications
1. Basic parameter
Hole depth
NQ (Φ71mm equivalent to Φ2.8 inch ) drill rod -----------------3000m(9840 feet)
HQ (Φ89 mm equivalent to Φ3.5 inch) drill rod -----------------2400 m(7872 feet)
PQ (Φ114 mm equivalent to Φ4.5 inch) drill rod ----------------1700 m(5576 feet)
Drill angle --------------------------------------------45°--90°
Mast adjusting angle--------------------------------0°--90°
Feeding stroke ---------------------------------------5000 mm (197 inch)
Hoisting length of mast-----------------------------9.6 m(31.5 feet)
Dimensions (L×W×H) ------------------------------8300×2350×2500 mm (326.8×92.5×98.4 inch)
Weight (without power unit) ----------------------25,000 kg (55125 lb)
Foot clamp clamping scope-----------------------55.5-117.5 mm(2.19-4.63 inch)
through hole 154mm(6.06 inch)
2.1 Core Drilling (3 grades mechanical shift gears)
Max. spindle speed (r/min) ----------------------------0--1250
Max. spindle torque --------------------------------------7200 N·m (5306 lbf·ft)
Spindle torque at 1250 rpm------------------------------1300 N·m (958 lbf·ft)
Diameter of through hole---------------------------------121mm (4.76 inch)
Max. lifting capacity of spindle--------------------------300kN (67440 lbf)
Max. feeding power----------------------------------------150kN (33720 lbf)
2.2 Hydro-geological, water well drilling (3 grades mechanical shift gears)
Max. spindle speed (r/min) --------------------------------------0--410
Max. spindle torque ---------------23500 N·m (17320 lbf·ft)
Spindle torque at 410 rpm------------------------------------------3750 N·m (2764 lbf·ft)
Max. lifting capacity of spindle------------------------------------300kN (67440 lbf)
Max. feeding power -------------------------------------------------150kN (33720 lbf)
3. Main Hoist
Single-wire Lifting Capacity of Main Hoist-------------------------135 kN (30348 lbf)
Wire rope dia. -21.5 mm (0.85 inch)
Rope capacity -----------------------------------------------------------50 m (164 feet)
4. Wire-line Hoist
Single-wire Lifting Capacity of Wire Hoist----------------------------15 kN (3372 lbf)
Wire rope dia. ----------------------------------------------------------------6.3 mm (0.25 inch)
Rope capacity -------------------2800 m (9184 feet)
5. Power
Diesel Engine------------------------------------------------------- Cummins 6LTAA8.9-C360 264KW/2200rpm
The appurtenance of the drill with double power unit
No. | Name | Type | Unit | Quantity | Remarks |
1 | Mud pump | BW400 | set | 1 | Crankshaft link by bearing |
2 | Hydraulic holder |
| set | 1 |
|
4 | Protector |
| set | 1 |
|
5 | Upper support |
| set | 1 |
|
6 | Lower support |
| set | 1 |
|
7 | Vice-support |
| set | 1 |
|
8 | Primary hoist |
| set | 1 | With 50 m wireΦ21.5 mm (With 164 feet wire Φ0.85 inch) |
9 | Wire hoist |
| set | 1 | With 2800 m wireΦ6.3 mm (With 9184 feet wire Φ0.25 inch) |
10 | Worktable |
| set | 1 |
|
HCR-8 Full Hydraulic Core Drill Rig 3000m drill capacity
