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Crawler deep Borehole Drilling Machine with Diesel engine KG726III

Diesel powered mine drilling rig, The KG726III, KG726HIII down the hole drill rig for open use is an improved device in compliance with national regulations on environmental protection.
Equipped with the Yuchai engine(China Ⅲ), the drill rig meets national standards for emissions and environment. The tramming motor of plunger piston and four wheels drive improve the working pressure and climbing capacity. The expanded pitch and lifting arm hydraulic cylinder enable it to meet the requirements of limiting position use. Meanwhile, the hydraulic system is improved, thereby proving increased system flow and rotary speed.


The hydraulic cylinder has been optimized, thus making it more reliable. The guide rail is installed in an inclined way, making operations and observations easier. The thickened profile is used for the housing; and the additional ring makes handling and lifting convenient.
The KG726HIII down the hole drill rig for open use is equipped with a dust collector, thus making operation more environment-friendly and reliable.
1, New type feeding system. Using oil cylinder chain pulley makes it having compact structure, powerful braking and operation stability;
2, Using famous single cylinder diesel engines as power, it has simple construction and easy to handle.
3, Reliable hydraulic pump set. Having private hydraulic component increases its reliability of system. Its oil cooling system elimates the effection of hydraulic oil heating on system;
4, Professional maintenance team offers good after-sale service;
5, Used abroad and strong gradability.


Technical parameters
Model KG726III KG726HIII
Transport dimension (mm) 5300x2250x2400 5300x2450x2400
Weight (kg) 5050 5350
Rock hardness f=6-20
Drilling diameter (mm) 90 to 115
Depth of economical drilling (m) 25
Roatory speed (rpm) 0 to 120
Rotary torque (Max) N.m 2000
Lifting force (KN) 18
Propulsion way Oil cylinder + flat chain
Feed stroke 3780 mm
Travelling speed (km/h) 0 to 2.5
Climbing capacity ≤30 degree
Ground clearance (mm) 350
Tilt angle of beam Down 135 degree, up 50 degree, total 185 degree
Swing angle of boom Left 100 degree, Right 45 degree, total 145 degree
Pitch angle of drill boom down 50 degree, up 25 degree, total 75 degree
Swing angle of drill boom Left 44 degree, Right 45 degree, total 89 degree
Compensation length of beam 900 mm
Supporting power Yuchai YCD4R23T8-80
Rated power 59 KW
Rated revolving speed 2400 rpm
DTH hammer 3 inch
Drilling rod ф64*3 m
Air consumption 10 to 17 cubic meter/min
Maximum height of horizontal hole 2750 mm
Minimum height of horizontal hole 350 mm

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