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HFH420 Separated DTH Drilling RigHFH420 Separated DTH Drilling RigHFH420 Separated DTH Drilling Rig
HFH420 Separated DTH Drilling RigHFH420 Separated DTH Drilling RigHFH420 Separated DTH Drilling Rig

HFH420 Separated DTH Drilling Rig

Borehole Diameter: 95---140mm
Maximum Drilling Depth: 30m
Working Pressure: 1-2.4Mpa
Power: 58kw

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overview

Product Features
1. Equipped with two motors and planetary gear gyrator, has the characteristics of large rotary torque, high efficiency and durable.
2. Equipped with 40 kw yuchai four cylinder diesel engine, elastic coupling transmission, stable and reliable, with a pre-filter, oil bath 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.
3. Multi-way valve adopts two layers of double entry structure, location is reasonable, easy to operate.
4. The prefilter, oil bath type air filter and air filter level 3, for the diesel engine working under high dust environment provides the guarantee.
5. Power output gear box with double gear structure of mercury
6. Drill arm, novel structure, convenient adjustment, greatly improve the area of drilling, apply to drill horizontal hole low. The lowest level hole height 300mm
7. Using engineering with walking motor, strong gradeability, low failure rate.

  • DTH drilling rig
  • DTH drilling rig
  • DTH drilling rig

 

Technical Data

Model
Parameters
  HFH420 HFH420M hybrid power
Adaptability to rock hardness   6~20 6~20
Borehole diameter mm 95~140(standard 90) 90~200
Borehole depth m 30 30
Standalone climbing ability ° ≥25 30
Propelling way   Cylinder Cylinder
Propelling stroke m 3 3
Max. lifting force kN 25 25
Rotary torque N.m 4400 6000
Rotary speed r/min 0~100 0~90
Working air pressure MPa 1.2~2.4 1.2~2.4
Air consumption m3/min 11~21 11~21
Power source kw 58kw diesel engine 58kw diesel engine and 55kw electric motor
Horizontal swing angle of drill arm ° Left 35 Right 35 Left 35 Right 35
Max.swing angle of carriage ° Left 92 Right 12 Left 92 Right 12
Walking speed km/h 2.5 2.5
Ground clearance mm 300 min.300
Dimensions mm 6000*2200*2100 6300*2200*2100
Weight kg 5000 6200

 

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