Kelly bar rotary drilling rig-DR-220

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Kelly bar rotary drilling rig-DR-220

Shandong Yahe Construction Machinery Co. Ltd
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Kelly bar rotary drilling rig-DR-220

This rotary pile driver is equipped with a high-power Cummins brand engine and a Kawasaki hydraulic transmission system to ensure that the construction power output is strong and stable. The machine is equipped with a high-capacity retractable crawler chassis, which can overcome the complicated road conditions of construction operations. The chassis telescopic function can increase the center of gravity of the pile construction and increase its stability. The pile mast has an automatic vertical adjustment function, which can be tilted 5 degrees forward and 5 degrees left and right sideways. Adjust the drilling angle for different working conditions. The rig is equipped with a new control system, which can realize steering, telescopic chassis, body rotation, mast up and down and other functions through wireless remote control. The company is a research and development manufacturing company, all models are independently designed and manufactured, and have a number of related scientific and technological intellectual property rights. Products have CE, ISO, SGS and other quality management system certifications. For more information welcome your inquiry.

Machine weight：55t
Maximum drilling depth：46-60m
drilling diameter：600-2200mm

Product selling point

Product Type	DR-220
Chassis length.(mm)	5800
Track width.(mm)	700
Machine weight.(t)	55
Maximum drilling depth.(m)	46-60
drilling diameter.(mm)	600-2200
Engine brand	WEICHAI/Cummins（Optional）
Engine rated power.(KW/rpm)	194KW-220KW
Maximum torque of power head.(KN.m)	220
Power head speed.(rpm)	7-27
Maximum working pressure of hydraulic system main pump.(MPa)	30
Maximum working pressure of hydraulic system auxiliary pump.(MPa)	28
Maximum bow rate of the main pump hydraulic system.(L/min)	*1262**
Maximum bow rate of the auxiliary pump hydraulic system.(L/min)	16
Maximum pressure of the pressurization system.(KN)	180
Maximum lifting force of the pressurization system.(KN)	160
Maximum travel pressure system.(mm)	5000
Maximum lifting force of the main winch.(KN)	260
Maximum pull-up speed of the main winch. (m/min)	55
Maximum lifting force of the auxiliary winch.(KN)	80
Maximum pull-up speed of the auxiliary winch.(m/min)	70
Left and right inclination angle of drilling mast(°)
Forward and backward inclination angle of the drilling mast. (°)	5/90
Maximum driving speed(KM/h)	1.5
Maximum climbing angle.(°)	30
Maximum Driving torque.(KN.m)	80000
Overall width of working state.(mm)	4400
Overall length of transport status.(mm)	13500
Overall width of transport status.(mm)	3200
Overall height of transport status.(mm)	3600
Drill rod type	Lock/Friction resistance
Drill rod whether to provide custom	YES
drill tools	600-3000mm drilling bit、Drilling Barrel、Coring drill、Reaming drilling bit