Shanghai Longji Construction Machinery Co., Ltd

Rotary Drilling Rig

	Rotary Drilling Rig(Max Drilling Diameter 2500mm, Depth 86m)

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Main Parameters
Max. Drilling Diameter
With Casing(mm)	1800
Without Casing(mm)	2500
Max.drilling depth(m)	86(6Festival) / 68(5Festival)
Measurement
Working condition(m)	10.3×4.5×24.27
Transportation condition(m)	13.5×3.0×3.39
Min. Working Radius(mm)	4240
Total weight (working condition)(t)	78
EngineModel	QSM11-335
Rated power(kw/rpm)	250/2100
Max. Torque(N.m/rpm)	1704/1400
Hydraulic System
Main Pump Max. Working pressureMpa	28
Auxiliary Pump Max. Working pressureMpa	28
Main Pump Max. Oil Flow RateL/min	520
Auxiliary Pump Max. Oil Flow RateL/min	140
Rotary Table
Max. Torque(kN.m)	280
Rev	628
Max. Spin-off Rate(rpm)	130
Crowd Cylinder
Max. Crowd force push(KN)	185
Max. Crowd force pull(KN)	210
Max. Stroke(mm)	6000
Main Winch
Max. Line Pull(KN)	210
Max. Line Speed(m/min)	51
Wire Rope Diameter(mm)	28
Auxiliary Winch
Max. Line Pull(KN)	110
Max. Line Speed(m/min)	55
Wire Rope Diameter(mm)	24
Mast inclination
Left and Right Tilt(°)	±4
Forward Tilt(°)	5
Backward Tilt(°)	90
Swing platform
Swing angle(°)	360
Swing speed(r/min)	3
Undercarriage
Max. Travel Speed(km/h)	1.75
Max. Gradeability(°)	15
Min. ground clearance inch(mm)	419
Width of track shoes(mm)	900
Extendable Crawler width(mm)	30004500
Overall length of crawler(mm)	4700