Crawler Type 300m Depth Water Well Agricultural Use Drilling Rig Rock Drilling Water Well
300m borehole drilling machine
,300m water well drilling rig
,crawler type borehole drilling machine
The new crawler pneumatic drilling machine is designed for geological survey and exploration, foundation inspection for roads and high-rise buildings, concrete structure inspection holes, river dam applications, subgrade grouting hole drilling and direct grouting, civil water wells, and ground temperature central air conditioning systems.
| Parameter | No. | ST 450 |
|---|---|---|
| Max drilling depth | M | 450 |
| Drilling diameter | mm | 105-325 |
| Air pressure | Mpa | 1.2-3.5 |
| Air consumption | m³/min | 16-55 |
| Drill pipe length | m | 6 |
| Drill pipe diameter | mm | 89/102 |
| Axial pressure | T | 4 |
| Lifting force | T | 22 |
| Fast lifting speed | m/min | 29 |
| Fast feeding speed | m/min | 56 |
| Max rotary torque | Nm | 8000/4000 |
| Max rotary speed | r/min | 75/150 |
| Small auxiliary winch lifting force | T | 1.5 |
| Jacks stroke | m | 1.6 |
| Drilling efficiency | m/h | 10-35 |
| Driving speed | Km/h | 2.5 |
| Uphill angle | slope | 21° |
| Weight of drilling rig | T | 9.8 |
| Dimension | m | 6.2*1.85*2.55 |
| Working condition | Unconsolidated formation and bedrock | |
| Drilling methods | DTH hammer or mud drilling | |
| Matched DTH hammer | Medium and high air pressure series | |
- Four independently operated large bore hydraulic jack cylinders with automatic hydraulic drive for main engine rising and falling
- Optional high outriggers with lifting height up to 1.5m for simplified loading and unloading operations
- Separately controlled leg cylinders for precise adjustment of borehole vertical angle and enhanced drilling stability
- Two-stage air filter intake design for extended diesel engine and air compressor service life in harsh conditions
- Six-gear rotation power head with stepless adjustable propulsion speed for versatile drilling in various strata
- Centralized control hydraulic console with dual four-pump design for easy operation and maintenance
- Excavator crawler chassis for superior off-road performance and convenient transfer
- Newly designed drill pipe hoist for faster and lighter drill pipe handling
- Optional arc welding generator for on-site maintenance and night construction lighting
- Hydraulic steel crawler for enhanced off-road capability
- Four high hydraulic square pipe legs for efficient site leveling and reduced loading costs
- Humanized design with drill pipe frame and foot pedal on both sides
- Front-end auxiliary rod unloading oil cylinder for easier drill pipe loosening
- Hydraulic universal drilling machine with crawler oil pump for superior slope mobility
- Manual automatic transmission with electric control shifter for easier gear changes
- Dual oil pump hydraulic system with shunt and confluence technology for rapid power head movement
- Folding auxiliary tower capable of lifting two 3m air drill pipes simultaneously
Jinzhou Shitan Machinery Equipment Co., Ltd. specializes in comprehensive drilling solutions including:
Crawler Water Well Drilling Rigs & Trailer Mounted Drilling Rigs
Hydraulic Borewell Machines & Hard Rock Drilling Equipment
Diamond Core Drill Rigs & Geological Drilling Rigs
Soil Testing Drilling Rigs & Portable Water Well Drilling Rigs
Crawler Track Undercarriages & Drilling Mud Pumps (BW150, BW160, BW200, BW250, BW850 series)
Drilling Air Compressors & Water Well Drill Bits (PDC, Tricone, DTH Button)
Water Well Drill Pipes & Comprehensive Drilling Rig Spare Parts
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