HFH728 Separated DTH Drilling Rig
- Borehole Diameter: 95~140mm
- Maximum Lift Capacity: 20m
- Main Power: 58kw
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High-performance hydraulic rotary motors, power head device provides a strong motivation, rotary torque of 2200 nm, level of planetary reducer strengthen shock absorber installation, can reduce the impact of the borehole reaction to rotary motor to reduce the loss of parts.
High performance rotary reducer standalone gradeability 25 degrees.
Using yuchai 58 kw four cylinder diesel engine with gear box, double oil mercury with a pre-filter, oil type air filter and air filter level 3, vice water tank and is equipped with (antifreeze), greatly improving the diesel engine's adaptability to the environment.
Using the overall structure of hollow shaft, ground clearance is big, good cross-country performance,using imported motor, climbing ability, low failure rate; Engineering with four-wheel area, reliable and durable.
Remove difficult situation for drill pipe with the hydraulic unloading rod (has obtained national patent), can effectively improve the working efficiency, reduce labor Intensity.
Structure optimization design of drill arm parts,large activity category, the lowest level hole height300 mm.
|Whole machine model||HFH728|
|Whole machine||To adapt to the rock hardness||6~20|
|Diameter of bore(mm)||95~140|
|Economic drill deep(m)||30|
|Maximum lift capacity(kN)||20|
|Drill arm horizontal pendulum Angle(degree)||left92 /right12|
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