APPLICATION
GQ-15 engineering 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 diameter pile for building, skyscraper, dam, harbor, bridge etc. and drilling large diameter well.
FEATURE
· Big torque, lightweight and compact structure in compare with same kind machine.
· Mast, top-drive head move down or up along with, strength and rigidity.
· Top-drive head has large inner diameter (182×182mm).
· Reverse-circulation drilling if equipped with necessary equipment as well as forward-circulation drilling.
· Strength, five forward speeds and one reverse speed, suitable for drilling a variety of rock, easy to handle accidents happened in hole.
· Top-drive head is equipped with hand-powered chuck, square driving stem, large stroke, drilling efficiently.
· Hydraulic feed, big pull and push force easy to make pressure and depression drilling. Hydraulic retracting stroke is 1150mm, easy to lower and hoist drilling tools.
· Walking device, easy to move and find accurate hole position.
· Reasonable arrangement, easy to operate, smooth.
· Can be equipped with special derrick if user needs.
Technical Specifications
