1.Introduction of JDL-300 mud/air drilling rig
JDL-300 mud/air drilling rig is a water well drilling rig that mix mud drilling rig and air drilling rig in one equipment with mechanical top head. It is a good solution to the difficulty of drilling in the soil layer for DTH rig and the low efficiency of drilling for mud rotary rig in the hard rock, gravel and pebble layer. The mud/air drilling rig adapts to various soil strata. The mud/air drilling rig is efficiency and energy saving to drill water well and geological exploration of core sample.
2.Features of JDL-300 mud/air drilling rig
·The rig can be equipped with a five-speed manual integrated gearbox, hydraulically separated bearings, full synchronizer shifting, high reliability and long service life.
·The drilling rig adopts a mechanical winch, which has a fast lifting speed and is easy to handle the bottom hole accident.
3.Parameters of JDL-300 mud/air drilling rig
JDL-300 mud/air drilling rig
Working stratum Loose soil layer and bed rock(hardness:F6~20)
Drilling
method Mechanical top head rotation, hydraulic feeding,
work with mud pump or DTH.
Drilling
capacity Φ42 Mud drilling depth 530m
NQ wireline coring 600m
Φ75 Air Drilling depth 300m
Borehole dia. �Φ350
Power Diesel engine model YN27
Rated power 42kw
Rated speed 2400rpm
Drive
head Rotary speed 50~10200r/min
Max. torque 5000N.m
Feeding
system Lifting capacity 4T
Thrusting capacity 2.1T
Winch
capacity Hydraulic tool winch(optional) 1.5T
Mechanical winch 4.5T
Drill
pipe Drill pipe dia. Φ76/Φ89/Φ102
Drill pipe length 3000mm
Crawler
chassis Walking speed 0~2km/h
Climbing angle 20°
Dimension Transport 5380*1575*2500mm
Working 3480*1575*6280mm
4380kg
Air
compressor Air pressure 10.5~24.6bar
Air consumption 16~35m³/min
The above parameters are subject to change without prior notice.
Shandong Master Machinery Group specializes in mud/air drilling rig. The main models are JDL-300 and JDL-400.
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Place of Origin.....................Germany Model Number........................TU1245 Weight ....................................3.5 Grade......................................HMS Material..................................Carbon Steel,1308 PDC cutters Shape.....................................ASH
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