China popular big pile hole drilling rig for foundation construction GQ-15

    GQ-15 Big Pile Hole Foundation Engineering Drilling Rig

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

Skype: lucyfang9 ; Website: www.lucydrillingrig.com, email: lucyfang16@yahoo.com;

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

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.

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