KQZ-90 series rack hole drill 
 Scaffolding hole drill, hole drill, KQZ-90 scaffolding hole drill 
 KQZ-90 series rack, crawler, wheel open hole drill pneumatic hammer drill hole punch for small and medium mine, quarry and rock engineering perforation operation. This series of pumps or diesel rig to pump motor for the power source, hydraulic rotary motor, hydraulic motor drive or tire track walking, cylinder position, the hydraulic legs stable car, oil (gas) cylinder rope forward, mechanical parking brake, is the economy of China's new high-performance submersible drilling rig. 

 Purpose and scope of use: KQZ-90 light series submersible drilling rig including: sled-type (desktop), frame type, tire type, pillar-style underground piercing device, the product from the air motor (motor) driven rotary, cylinder directly promote its reliable performance, small size, light weight, easy operation, high efficiency, is water, electricity, roads, railways, mining, earth excavation equipment, the ideal is also a large and medium-sized mining and construction equipment indispensable aid perforation. 
 Technical parameters 
 Hole diameter 70-100 mm 
 Drill hole depth 25m 
 1 m length of time to promote 
 Rock types of adaptation (Platts coefficient f) 6-1 
 Air consumption 10-12 m3/mi 8 
 Drill speed 70-100 r / min 
 Cylinder diameter 125 mm 
 Promote the effective stroke 1080 mm 
 610-860 Kg maximum lifting force 
 Wind motor type QT6 
 6 vane air motor power hp (3 kW) 
 Air pressure 0.6-0.7Mpa 
 Rated Speed ??3200r/min 
 Dimensions: Length 1700mm Height 480mm Weight 180Kg