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Chongqing made Big pile hole drilling rig GQ-15

Chongqing made Big pile hole drilling rig GQ-15

Brand Name : chongtan
Model Number : GQ-15
Certification : ISO9001-2008
Place of Origin : Chongqing of China
MOQ : 1
Price : 1-29000 usd
Supply Ability : 50 per quatar
Packaging Details : nake
Name : big pile hole drilling rig
model : GQ-15
colour : red
torque : 22100 Nm
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GQ-15 Big Pile Hole Foundation Engineering Drilling Rig

ADD: NO.1 Kuaileli, Xiaolongkan Street, Shapingba District, Chongqing China;

Skype: lucyfang9 ; Website:, email:;

M: +86-13628481197 TEL.:+86-15923510719,15111813754


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.


◆ 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.

3. Technical Specifications

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): 182*182

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

overall dimensions(L*W*H)mm: 3620×1880×2704

drill body weight(excluding power)kg: 5900

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Chongqing made Big pile hole drilling rig GQ-15 Images

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