1. Brief Introduction XDQ90D hydraulic pneumatic DTH drilling rig is widely applied to road, national defence, water conservancy, big stone project and slope protection projects, etc for small blast hole drilling. It is specially useful for rugged and accidented areas where other DTH drilling rig can not work normally.With compact structure, easy operating, fast drilling, high efficiency, easy to disassemble and very convenience for carrying.
2. Features
(1) Applicable type of down-the-hole impact with high rock drilling efficiency. (2) With compressed air as the power source, the power is single, safe and reliable. (3)Simple structure, easy to use, short auxiliary time and light weight
3. Working principle
The rig is a machine that uses compressed air as the power to convert compressed air.power into mechanical force to break the rock. The rig is equipped with an hammer and a bit. During the working process, the piston of the hammer continuously impacts the tail. The alloy teeth on the bit continually impact the rock, and the rotating torque generated by the reducer causes the drilling tool to rotate and propel the axial force generated by the cylinder. Drill holes into the drill.
4. Structural characteristics
This down-the-hole drilling rig is composed of a powerhead assembly(which include a speed reducer and a pneumatic motor) ,a propulsion cylinder assembly, a control console with an oil lubricator and pressure gauge, a hammer ,a bit.
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