JDL-300 Mechanical Top Drive Water and Air Dual Purpose Drilling Rig

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

（1）The rig can be equipped with a five-speed manual integrated gearbox, hydraulically separated bearings, full synchronizer shifting, high reliability and long service life.

（2）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

Model	JDL-300
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	Φ50 Mud drilling depth	530m
	NQ wireline coring	600m
	Φ76 Air Drilling depth	300m
	Borehole dia.	≤Φ350
Power	Diesel engine model	YN27
	Rated power	42kw
	Rated speed	2400rpm
Drive head	Rotary speed	50~1020r/min
Drive head	Max. torque	5000N.m
Feeding system	Lifting capacity	4T
Feeding system	Thrusting capacity	2.1T
Winch capacity	Hydraulic tool winch(optional)	1.5T
Winch capacity	Mechanical winch	4.5T
Drill pipe	Drill pipe dia.	Φ50/Φ76/Φ89/Φ102
Drill pipe	Drill pipe length	3000mm
Crawler chassis	Walking speed	0~2km/h
Crawler chassis	Climbing angle	20°
Dimension	Transport	538015752500mm
Dimension	Working	348015756280mm
Weight		4380kg
Air compressor	Air pressure	10.5~24.6bar
Air compressor	Air consumption	16~35m³/min

Note: The product is continuously improved, and subject to change without notice, please refer to the actual product.

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