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1. The CUMMINS high-power engine is powerful and forceful which can satisfy the construction requirement in bad conditions;

2. These drills are adopted the advanced control technique includes load sensitive control electro-hydraulic proportion control, and the usage of the import hydraulic parts can make the system work stably and ensure the quality;

3. The machine adopts single row rope for main winch to figure out the wear of steal rope, and extend the lifespan;

4. With the cylinder used for the pull-down of the rotary drive, the system works smoothly and steadily;

5. Electromechanical-hydraulic jointly control method is adapted for the rotary drive, stepless speed regulation. Reasonable torsion-speed rate can meet the construction of varying layer;

6. Home-made undercarriage steel apron wheel，the moving of the machine is controlled by the line which is convenient and safe;

7. Adapting safe operation control system can avoid misoperation and make the manipulation more convenient and security;

8. Adapting independent energy conservation and environment protection oil cooler can make the hydraulic system more adaptive in complicated surroundings.

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Project	Unit	Parameter
Drilling Capacity
BQ(Φ55.6)	(m)	2000
NQ(Φ71)	(m)	1700
HQ(Φ89)	(m)	1300
PQ(Φ114.3) c	(m)	1000
Engine
model	-	QSB6.7-C240
rated power	(kW)	179
rated RPM	(r/min)	2200
Rotator
max torque	(Nm)	5750
max rotation	(r/min)	1300
max inside diameter	(mm)	Φ121
Mast and feed system
max pull	(kN)	200
max push	(kN)	100
drilling angle	(︒)	45～90
dump length	(mm)	3500
mast length	(m)	13
Main hoist
max pull	(kN)	152
max pulling speed	(m/min)	55
rope diameter	(mm)	Φ24
rope length	(m)	35
Steel wire hoist
max pull	(kN)	12
max pulling speed (bare drum)	(m/min)	130
max pulling speed (full drum)	(m/min)	420
rope diameter	(mm)	Φ6/Φ5
rope length	(m)	1700/2000
Foot clamp
Drill rod	-	BQ、NQ、HQ、PQ
Travelling system
Travelling speed	(km/h)	3.5
permissible gradient	(︒)	30
Mud
model	-	BWF-320
rated flow rate	(L/min)	320
rated pressure	(MPa)	8
total weight	(t)	13.5

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