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              KG series semi-hydraulic open-air crawler rig
              KG920B semi-hydraulic medium wind pressure open-air crawler drilling rig
              KG920B type open-air drill rig on the basis of KY125 drilling rig, optimize and upgrade the hydraulic system, drill arm parts, walking components, Increase power (YC4D80) climbing ability is stronger, more reasonable drilling angle,faster rotation speed and advancing speed,longer motor service life,better reliability. 

               
              KG920B Open-air  drilling rig technical parameters: 
              Rock hardness f=6-20 Weight 4200kg 
              Drilling diameter φ80-115mm Dimension 4400x2200x2050mm 
              Economic drill deep 20m  Carriage elevation angle bow 135°upward 5°total145° 
              Rotating speed 0-70r/min  Carriage swing angle left 100° right 45°total145° 
              Rotating torque  1400N.m  Drill arm elevation angle left50°right 25°total75° 
              Lifting power  15000N Drill arm swing angle left 44° right 45°total89° 
              Propulsion mode cylinder-chain Carriage compensation  900mm 
              Feeding stroke 3000mm Power YC4D80（58kW 2400r/min） 
              Working speed 0-1.8km/h  Drill rod  φ64x3000mm 
              Gradeability  30°  Working Pressure 1.0-1.7MPa 
              Ground clearance 290mm  Capacity 9-16m3/min 
              Improvement comparison 
                KG920B KY125 Notes 
              Walking components motor+gear reducer structure Steel motor direct Reduce the motor pressure, improve motor lifetime 
              Walking pressure 11MPa 14-16MPa 
              Drill arm components new drill arm   Horizontal, vertical hole at the same time;Horizontal hole height is low 
              Hydraulic system 330 pump; Drift diameter new valve group; New diverter valve, using new type of joint. 19.2pump Increasing traffic,reduce drag,neat appearance 
              Air course system  movable valve type shock valve spherical valve  well operation  
              Rotating speed 83r/min(diesel 1700r/min)
               107r/min(diesel 2200r/min)               		55r/min(1700r/min) improve50% 
              Fltting speed 450mm/s  336mm/s  improve33% 
               
              LGCY-13/13Diesel portable screw air compressor
              ☆Working pressure:1.3MPa
              ☆Capacity:13m3/min
              ☆Motor Power ranger:132kW
              >>Click to view data for details 

               
              LGCY-13/17Diesel portable screw air compressor
              ☆Working pressure:1.7MPa
              ☆Capacity:13m3/min
              ☆Motor Power ranger:158kW
              >>Click to view data for details 

              


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