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Deep Borehole Drilling Equipment Engineering Drilling Rig Low Costs Price
Application
GQ series drilling rigs are designed especially for foundation engineering projects, both forward circulation and reverse circulation drilling method can be applied, applicable for large diameter pile hole for building, dam, harbor, bridge etc.
Technical Specification
Model: GQ-20
Drilling diameter(mm): 600-2000
Drilling depth(m): 100-60
Power head speed Forward(r/min): 9.5,10.5,28.4,44,66
Reverse(r/min): 10.7
Max.output torque(kN): 55
Spindle inner diameter(mm): 182
Spindle lifting force(kN): 154
Spindle feeding force(kN): 113
Max. Lifting fore with single rope(kN): 58
Electric engine(kW): 55
Weight(Kg): 12500
Dimension(mm): 5000*2400*3070
Main features
1. Big torque, lightweight and compact structure in compare with same kind machine.
2. Mast, top-drive head move down or up along with, strength and rigidity.
3. Top-drive head has large inner diameter(182*182mm). Reverse-circulation drilling if equipped with necessary equipment as well as forward-circulation drilling
4. Strength, five forward speeds and on reverse speed, suitable for drilling a variety of rock, easy to handle accidents happend in hole.
5. Top-drive head is equipped with hand-powered chuck, square driving stem, larg stroke, drilling efficiently.
6. Hydraulic feed, big pull ad push force easy to make pressure and depression drilling.
7. Hydraulic retracting stroke is 1150mm, easy to lower and hoist drilling tools.
8. Walking device, easy to move and find accurat hole position.
9. Reasonable arrangement, easy to operate, smooth
10. Can be equipped with special derrick if user needs.
Packaging
1. Inudustrial professional export packing, full inspection on all packing details.
2. Standard wooden case for Gold Drilling Equipment exporting and shock absorbing for better outerior protection.
3. Considerate interior plastic sheeting protection to prevent from wet and moisture.
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