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HFHB7 Crawler DTH Drilling RigHFHB7 Crawler DTH Drilling RigHFHB7 Crawler DTH Drilling Rig
HFHB7 Crawler DTH Drilling RigHFHB7 Crawler DTH Drilling RigHFHB7 Crawler DTH Drilling Rig

HFHB7 Crawler DTH Drilling Rig

Borehole Diameter: 90-130mm
Maximum Drilling Depth: 21m
Rated Power: 1800 r/min 234 kW
Maximum Rotate Speed: 144 r/min

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overview

► Advantage:
1. High reliability
* Brief design to reduce the use of electronic devices for maintenance and troubleshooting 
* Adopt direct control system, easy to operate 
2. Safety and efficiency
* Equipped with a single-operator safety cab, suitable for working in various weather conditions
* Automatic lever changing device can effectively avoid possible risks when manual lever connection is made
3. Focus on the work environment
* The air-conditioned cab provides a good working environment for operators
* Two-stage dust collecting device meets the requirements of site environmental protection

►Working Site:

  • HFHB7-DTH-drilling-rig-at-worksite
  • HFHB7-DTH-drilling-rig-at-worksite
  • HFHB7-DTH-drilling-rig-at-worksite

     

 

Technical Data

Diesel engine Cummins
Rated power 1800 r/min 234 kW
Air Compressor Atlas Copco C146 Single-stage screw air compressor
maximum working pressure 17 bar
FAD 225 L/s
Hole range  
DTH hammer and hole range 3” or 4”down hole hammer 90-130mm
Drill depth of automatic pole changing 21 m
Rotary head DRU 4
Maximum rotate speed 144 r/min
Maximum borehole torque 1140 Nm
Maximum unloading torque 1640 Nm
the beam  
Maximum propulsive speed 1.1 m/s
Maximum pushing force 12 kN
Maximum pulling force 18 kN
Dimensions(LxWxH) 3200x9100x2500 mm
Weight 14000 kg

 

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