FACE DRILL RIG WD21D

WD21D

16780*2880
*3400mm

Dimension (L×W×H)

7400mm
/4700mm

Turning Radius (Outer/Inner)

120㎡

Maximum Coverage Areas

ADVANTAGE INTRODUCTION

Suitable for excavation drilling and anchor rod drilling operations in 30m ² -120m ² highway and railway tunnels, pumped storage power stations, hydro-power stations, reservoir irrigation tunnels, and underground caverns.
Suitable for excavation drilling and anchor rod drilling operations in 30m ² -120m ² highway and railway tunnels, pumped storage power stations, hydro-power stations, reservoir irrigation tunnels, and underground caverns.
Adopting electric proportional control system, removing the complicated hydraulic oil pipe, which is convenient for daily maintenance and repair; Equipped with computerized guiding system to facilitate the opening and positioning of the drilling arm; Adaptive pressure value while drilling, automatic anti-jamming reduces drilling tool consumption and lowers accessory costs; Elevated enclosed cab with a wide field of view and high safety factor for operation; Equipped with a water mist slag flushing system and a hole blowing device, effectively removing stone slag in the hole and improving drilling efficiency.
Total weight 37500kg
Overall dimensions (L×W×H 16780*2880*3400mm
Scope of work(Width×Height) 14950×10000mm
Turning radius Outer 7400/Inner 4700mm
Maximum coverage area 120㎡
Minimum height of tunnel 5m
Equipment configuration  
Rock drill System pressure  210bar
  Impact power 18kW
  Impact pressure 230bar(Max)
  Impact frequency 3600 (times/min)
  Power per impact 300 J
  Rotating hydraulic oil pressure 210 bar (Max)
  Rotating torque 1000 N·m (Max)
  Rotation speed 210(r/min)
  Flushing water pressure 10~25bar
Drilling arm Quantity 2
  Control mode  Computer control
  Coverage area 120
  Telescopic stroke 2500mm
  Swing and pitch angles swing ±45°

pitch -30°~+60°

Feed Quantity 2
  Type of feed Cylinder-Wire Rope
  Total length of feed 7180mm(Standard)
  Maximum propulsive force(kN) 20
  Length of drilling rod 5525mm(Standard)
  Drilling diameter 41~89mm
  One advance drilling depth 5200mm
  Rotation angle ±180°
  Pitch angle ±180°
  Swinging angle -15°~+70°
Operating platform Quantity 1
  Scope of work(H xW ) 12×16m
  Lifting force 500kg
  Telescopic stroke 5000mm
Carrier    
  Walking speed 15km/h
  Climbing ability 25%
  Ground clearance 300mm
  Minimum inner radius of rotation 4700mm
  Minimum outer radius of rotation 7400mm
  Front and rear wheel wheelbase 4150mm
  Front/rear wheelbase 2255/2255mm
  Front/rear tire model x quantity 14.00R24×4
  Engine power (kW) 120
  Transmission system Four-wheel drive
  Braking system Hydraulic service brake + parking brake
  Steering system Articulated steering
  Fuel tank volume 120L
Drilling hydraulic system Hydraulic control mode Electric proportional load sensitivity
  Motor power x quantity 55kW×2
  Rated pressure of main hydraulic oil pump 210 bar
  Main hydraulic oil pump displacement 200L/min
  Hydraulic oil tank capacity 350L
  Pressure oil and return oil accuracy 10μm
Water system Booster water pump power 7.5kW
  Rated displacement 160L/min
  Rated pressure 10bar
  Water pressure during drilling 10~15bar
electrical system Total input power 130kW
  Voltage/Frequency 380V/55Hz
  Cable length and reel capacity 100m
  Security protection system functions Phase sequence and overload protection
Drilling rig control system Control type of drilling rig system Computer control
  Control panel type Touch based
  Electronic system power supply type 24V DC
  Drill arm control type Manual/semi-automatic

 

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