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HFH728 Separated DTH Drilling RigHFH728 Separated DTH Drilling RigHFH728 Separated DTH Drilling Rig
HFH728 Separated DTH Drilling RigHFH728 Separated DTH Drilling RigHFH728 Separated DTH Drilling Rig

HFH728 Separated DTH Drilling Rig

Borehole Diameter: 95~140mm
Maximum Lift Capacity: 20m
Main Power: 58kw

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overview

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.

 

  • HFH728 Separated DTH Drilling Rig
  • HFH728 Separated DTH Drilling Rig
  • HFH728 Separated DTH Drilling Rig
 
 

Technical Data

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
Stand-alone gradeability(degree) 25
Propulsion mode Motor
Feeding stroke(m) 3
Maximum lift capacity(kN) 20
Rotary torque(N.m) 2200
Rotary speed(r/min) 0~90
Work pressure(KPa) 1.2~2.4
Air consumption(m3/min) 11~21
Main Power(kw) 58
Drill arm horizontal pendulum Angle(degree) left92 /right12
Walking speed(km/h) 2~3
Ground clearance(mm) 380
Dimensions(mm) 7000*2200*2100
Weight(kg) 5300

 

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