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SKG920A medium pressure crawler down the hole drill

  • Feature&Introduction
  • Engine/Compressor
  • Technical parameter
SKG920A model crawler down the hole drill is improved from KS120. Improve the air system, hydraulic system, drilling boom part, walking part. good climb performance, reasonable drilling angle, faster rotating speed and feeding speed, longer life of hydraulic motor, more reliable

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LGCY-13/13 diesel portable screw air compressor


☆Air pressure:1.3MPa

 

☆Air delivery:13m³/min

 

☆Power:132kW

 


 
LGCY-13/17 diesel portable screw air compressor


 

☆Air pressure:17Mpa

 

☆Air delivery:13m3/min

 

☆Power:158kW

 

SKG920A main technical parameter

Rock Hard ness

 f=6-20

Total weight

4000kg

Bit diameter

φ80-115mm

Max pitching angle of carriage (°)

down 135° up 5° total145°

Hole depth

25m  

 Max oscillation angle of carriage(°)

left 100° right 45° total145°

Rotating speed(rpm)

107r/min   

 Max pitching angle of drilling boom (°)

down 50° up 25° total75

Rotating torque(N.m)

1400N.m 

oscillation angle of drilling boom

left 44° right 45°total89°

Lifting force(KN) 

15000N

Compensation for travel

900mm

Feeding type

Hydraulic cylinder+track link

Engine

YC2108(33Kw 2200r/min)

Feeding stroke mm

3000mm

Rod

φ64x3000mm

Climb ability (°)

30°

Working pressure

1.0-1.7Mpa

Min distance off ground (mm)

290mm

Air cunsumption

9-16m³/min

 

 

 

Improved contrast

 

SKG920A   

KS125

Remark

Walking part

ball piston motor + reducer structure

Ball motor direct connection

Lower the motor pressure, improve the life of motor

Walking pressure

11MPa

14-16Mpa

Drilling boom

New type

 

Low horizontal angle

Hydraulic system

30pump, big through hole valve group. New splite-flow valve, new connector

19.2pump

Increase flow, reduce resistance, good outlook

Air system 

Valve type impact valve

Ball valve

Good operation

Rotating speed

83r/min(diesel engine 1700r/min)
107r/min(diesel engine2200r/min)

55r/min(1700r/min)

Improve 50%

Feeding speed

450mm/s  

336mm/s      

Improve33%

 

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