DSHQ-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.
Big torque, lightweight and compact structure in compare with same
Mast, top-drive head move down or up along with, strength and
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
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
Hydraulic retracting stroke is 1150mm, easy to lower and hoist
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.