Big Hole Drilling Machine and Drilling Rigs

mainly uesd in drilling large diameter pile for building, skyscraper, dam, harbor, bridge and large well.

Applications:



GQ-15engineering drilling machine is newly designed special for large diameter pile hole drilling, can use forward-circulation and reverse circulation drilling methods mainly used in drilling large daimeter pile for building, skyscrper, dam harbor bridge etc. and drilling large diameter well.



Feature:



1. Big torque, lightweight and compact structure in compare with same kind machine.



2. Mast, top-drive head move down or up along with, strength and rigidity.



3. Top-drive head has large inner diameter(182*182mm). Reverse-circulation drilling if equipped with necessary equipment as well as forward-circulation drilling










Big Hole Drilling Machine and Drilling Rigs