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. â?¤Î¦350 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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Shandong Huaxiamaster Machinery Group Co., Ltd.
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It adapts to various soil strata and is efficient and energy-saving for water well drilling and geological exploration of core samples. It adopts a mechanical winch with fast lifting speed and ease of handling bottom hole accidents. torque of 5000N.m, feeding system with lifting capacity of 4T and thrusting capacity of 2.1T, winch capacity including hydraulic tool winch (optional) at 1.5T and mechanical winch at 4.5T, drill pipe diameter of Φ76/Φ89/Φ102, drill pipe length of 3000mm, crawler chassis with walking speed of 0~2km/h and climbing angle of 20°, and dimensions for transport (5380*1575*2500mm) and working (3480*1575*6280mm) with a weight of 4380kg. It also includes an air compressor with air pressure of 10.5~24.6bar and air consumption of 16~35m³/min.
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