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KT/ZT series integral type high wind pressure open-air crawler rig
KT7 integral type high wind pressure open-air crawler drilling rig

"kerry" brand KT7 integral type high wind pressure open-air crawler drilling rig is integrated the DTH drill system and screw air compressor system of the advanced drilling equipment, a six-cylinder diesel engine provide power for the two systems, compact structure, well type, easy to move. Drill car equipped with core intellectual products of single stage high compressed air pressure screw head, applied the international leading Shang Shi Y line, large flow（13m3/min）,high pressure(1.7Mpa), provide strong power for high wind pressure pneumatic shock, drilling speed than the high air pressure drill car faster in 20% to 50%.

"kerry" brand KT7 integral type high wind pressure open-air crawler drilling rig mainly used for stonework and open-air mine drilling work.

National initiative single stage flexible drill arm system Security and stability of the walking mechanism

compressor high pressure screw host


Centralized operation platform           Advanced dust collection device

KT7 one-piece open-air  drilling rig technical parameters:

Rock hardnessf=6-20Rotatingtorque（N.m）1900
Drilling diameter（mm）90-105Maximumlifting power(N)25000
Economic drill depth（m）30Carriage lifting angleup 28°   down 42°
Travel speed（Km/h）0-2.5Carriage elevation angle129°
Gradeability 30°Carriage swing angleright 38°   left 35°
Ground clearance（mm）380Carriage leveling angleright  4°      ~89°
Machine Power(kW)180Drill arm swing  angleright 39°   left 60°
Diesel Yuchai YC6AFrame leveling angleup 10°   down 9°
Screw capacity(m3/min)13Push  length(mm)3000
Screwworking Pressure(Mpa)1.7Compensation length(mm)900
Dimension (mm)8000×2300×2800HammerHD35A (adapt HD45S)
Weight(Kg)9500Drill rod Φ64×3000mm
Rotating Speed(r/min)0-120Catching dustHydraulic cyclone layer flow