Ⅰ Main Technique Parameters:
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Rig weight: 29T |
Dimension(L×w×h mm): 11000×2450×2930 |
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Max. push&pull force 1132/1698KN |
Max.torque: 68456N·m |
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Max. push&pull speed: 37m/min |
Max. rotation speed: 92 r/min |
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Entry drill angle: 8～18° |
Max. climbing gradient: 20° |
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Max.back-reamer aperture: 1600mm(Soil depended) |
Max. construction distance: 1200m(soil depended) |
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Engine power: 2×239KW |
Walking speed: 3-5.6Km/h(dual speed) |
Ⅱ.Main equipments:
1, 2 sets of diesel engines Dongfeng Cummins 239KW;
2, Hydraulic system adopts closed-circuit: SAUER closed type variable plunger pump; Italian H2V108 flush valve;
3, Gear pump used for clamp and the accessorial mechanism;
4, Original (German KPM or Demayr), imported planetary reducer;
5, Alloy steel rack and pinion;
6, Electro-hydraulic proportional controlled system;
7, Wire-controlled guide system available;
8, Wire remote-control walking devise;
9, 3T crane;
10, Dual speed motor 14TM from Korea Desung;
11, Mud pump system: equipped with high quality home-made vehicle-loaded mud pump(600L/min)
Ⅲ. Main Performance Characteristics
1, Hydraulic system: Push&pull , rotation, walking system adopts closed system and electro-hydraulic proportional control
2, Two sets of hydraulic systems driven by two diesel engines can be combined working together as well as independent working respectively.
3, Clamp holder is detachable floating .
4, Rack and pinion transmission for push & pull.
5, Main spindle is floating .
6, Main girder adopts four-bar linkage mechanism , easily adjusting entry drill angle and increasing climbing gradient angle.
7, Electro-controlled handle, reliable and simple circuit, and high sensitivity.
8, Two kinds of walking system: Vehicle-loaded and wire-controlled, which ensure the walking safety.
9, Equipped with 114×6000mm or 127×6000mm drill pipes.