Engineering Drilling Machine

We are offering engineering drilling machine for big pile hole drilling rig.
1. Applications:
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
2. Features:
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
large dia.water well drilling rig
hole dia (mm)
600-1500
drilling capacity (m)
100-50
top drive head speeds(r/min)
forward
13.5;22.8;40.19;63.9;98.5
reverse
12.85
max torque (n.m)
22100
top drive head inner hole (mm)
182182
top drive head max pull force(kn)
27
top drive head max push force(kn)
98.3
top drive head stroke(mm)
1000
hoist lift capacity with singlerope(kn)
48
retracting distance(mm)
790
oil pump
scb32/12 twin-gear oil pump
power unit
electric motor
y225s-4 37kw
diesel engine
2135ag 50hp
overal dimensions(l*w*h)mm
3620×1880×2704
drill body weight(excluding power)kg
5900
chongqing gold mechanical & electrical equipment co.,ltd
established in 2009,gold is a high -tech enterprise specializing in design,manufacture and sale of geological instrument.
gold's products are manufactured stricity in accordance with industrial standard and have passed through quality and technical standard evaluation as well as quality inspection. In 2010,gold passed through iso9001 international quality system certification.in july 2010,gold obtained provincial certification of high-tech enterprise,becoming an excellent supplier with outstanding product quality in china.
gold's products spread all over the word
provide professional technical training
excellent team and best after sales service
we are ready to provide perfect service for you !