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KAISHAN surface DTH drill rigs, equipped with powerful down-the-hole hammers, are designed for high-capacity rock drilling in surface mines. They are completely self-contained, with onboard compressors and efficient dust suppression. They are highly productive and very reliable, with low life-cycle costs.
Air Hydraulic KT7 is our smallest crawler mounted, down the hole pneumatic drill rig, and is ideal for work in confined areas. It is a fully mechanized, self propelled, heavy duty drill. It is a simple one-man operated rig, easy to operate and easy to maintain. The tramming controls are located beside the left track, and both tramming and drilling are powered by hydraulic motors.
Features & benefits
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Hydraulic tramming, positioning and feeding system
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Equipped with hydraulic system, making it efficient
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Compact rugged crawler
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Rock Range |
f=6-20 |
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Drilling Diameter mm |
90-105 |
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Automatic extension rod depth m |
30 |
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Traveling speed km/h |
2.5 |
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Grade ability |
30 |
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Ground clearance mm |
430 |
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Total power KW |
191 |
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Diesel engine |
YC6A260-20 |
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Air Capacity m3ft/min |
13 |
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Working pressure bar |
17 |
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Dimensions (L × W × H)）mm |
8000×2260×2800 |
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Weight Kg |
9500 |
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Gyrator Speed r/min |
0-120 |
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Rotary torque N*m |
1900 |
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Maximum push pull N |
25000 |
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Carriage Elevation angle |
129° |
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Carriage pendulum Angle |
Right 38°Left 35° |
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Drill arm pendulum Angle |
Right 39°Left 60° |
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Drill arm demotion Angle |
Up28°Down42° |
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Frame leveling Angle |
Up10°Down 9° |
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Propulsion length |
3000 |
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Compensation Length mm |
900 |
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Hammer |
KQG35A |
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Rod |
φ64×3000 mm |
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Method of collecting dust |
Dry(Tornado laminar flow hydraulic drive) |
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