G3Z Three-Boom Tunneling Drill Rig

Drilling diameter：φ38mm-φ102mm
Drilling depth：5268mm
Telescopic length of working arm：1600mm
Total motor power：243.5kW

Applied range: It is used for drilling and blasting drilling operations or bolt hole operations in large and medium-sized tunnels such as railways, highways, water conservancy, mining and other large and medium-sized tunnels.

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Features

Imported drive axle, engineering chassis, strong climbing ability

Dana original imported drive axle, four-wheel drive walking system, heavy-duty engineering chassis, fast transition speed and strong climbing ability.

Strong engine power, it can also cope with severe cold and plateau environment

The high-altitude turbocharged engine has strong power and sufficient power reserve to meet the requirements of severe cold and plateau environments.

Working arm form-double triangle + self-parallel + square arm

The drill arm is directly positioned with triangular support, and has a full-directional self-parallel holding function, which ensures accurate positioning and stable action.

The drilling speed is fast and the drilling tool is very durable

With automatic anti-sticking function and automatic lubrication system, the drilling speed is fast and the consumption of drilling tools is low.

Parameter

Part Name	project name	Specification/Model
Whole machine	Overall dimensions(L×W×H)	16520mm×2925mm×3400mm
	working section(width×height)	15.8m×12.8m
	Effective operating section	178㎡
	Drilling diameter	φ38mm-φ102mm
	Drilling depth	5268mm
	Drilling speed	1.5-2.2m/min
	Total Weight	45000kg
Drill boom	Working arm form	Double triangle + self-parallel + square arm
	Telescopic length of working arm	1600mm
	Pitch angle of working arm	+70°～-30°
	Swing angle of working arm	±45°
	Propeller length	7102mm
	Propeller flip angle	360°
	Propeller compensation	1800mm
	Rock drill model	GL18T
Work service platform	Working platform range(width×height)	16m×14m
Work service platform	Rated load of working platform	400kg
Chassis	Diesel engine model	QSB6.7-C260-30(High altitude 4500m)
	Rated power/speed	194/2200 kW/rpm
	Maximum walking speed	15 km/h
	Maximum climbing ability	14°
	Turning radius(inside/outside)	6.7m/12.1m
	Steering mode + drive mode	Rear wheel steering + four-wheel drive
	Wheelbase	4200mm
	Rear axle swing angle	±8°
	Approach / departure angle	19/14
	Minimum ground clearance	440mm
	Service brake	Multi-disc wet brake
Electrical System	Total motor power	243.5kW(3×75kW+7.5kW+11kW)
	Supply voltage	380V
	Accumulator	2×12V/160Ah
	External cable length	80m
water supply system	flow	266L/min
	Working water pressure	2bar-12bar
	Water pipe reel capacity	70m
Gas supply system	Displacement	1000 L/min
Gas supply system	working pressure	2bar-8bar