Application
GQ-20engineering core bench drilling machine is developed based on GQ-15rig,in order to meet the needing of construction of large dia.pie.The structureof the rig is stable and reliable ,mainly used for drilling large dia.pile holefor housing,high building,dam,harbor and bridge and water well.
Feature
1. Large torque,light weight and small size compare to the samekind drilling machine.It is easy to move;
2. The mast is like a dragon door,the top-head can move downand up on it.Large strenghth,drill high accurate hole;
3. Inner hole of top-head is large(182*182mm),can drill withforward circulation or reverse circulation drilling method;
The rig used DF6S900 gear box of Dong Fengtruck,it has 6 forward gears,1 reverse speed,it is suitable for drillingvarious earth formation.It is good to handle accidents in hole,and easy tomaintain owe to using general spare parts;
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