30 Portable sampling drilling rig is a linght multi-purpose mini engineering drilling rig. The machine is used for geological survey of industrial and civil construction, bridges, railways, highways, hydropower and other industries, also can drill guiding holes, advance boreholes, grounding holes, embedded parts guilding holes, blasting holes, inspecting holes, small home wells and so on.
2. Characteristic of rig
Compact structure, small size, light weight, two-speed shifting, easy to move, gasoline engine power is convenient for working in the field.
ST 30 Core Drilling Rig Machine Technical Parameter
| Technical Parameters | Unit | ST-30 |
| Drilling depth | M | 30 |
| Drilling method | | Air shock, mud drilling, auger |
| Drilling diameter | Air shock drilling | mm | 70-90 |
| Mud drilling | mm | 75-90 |
| Drill pipe (diameter × length) | Air shock drilling | mm | Ø60×1500 |
| Mud drilling | mm |
| Rated torque | N·M | 800-900 |
| Drilling speed range | r/min | 0-135 |
| Add pressure | KN | 5.5-6 |
| Drilling speed rangeDrilling speed range | KN | 12-16 |
| Drilling tool maximum lifting speed | M/s | 0.71-0.81 |
| Engine power | Kw | 35 |
| Rotating speed | r/min | 3600 |
| flow | L/min | 0-60 |
| Work pressure | MPa | 20 |
| Air compressor unit | model | | Fuel injection screw |
| Air volume | M³/min | 3.8 |
| Work pressure | MPa | 0.8 |
| System oil temperature | | ℃ | 15-80 |
ST 30 Core Drilling Rig Machine Applications
1.1 Engineering geological investigation
1.2 Geological core drilling, physical prospecting.
1.3 Small grout Confucius, drill hole drilling.
1.4 Small well drilling.
The advantage of the water well drilling machine are as below:
1. Light weight, energy saving.
2. Patented product, unique design and simple drilling structure;
3. Easy to transport and can learn how to handle the machine in short time;
4. Can drill through hard stratum, unless thick rock layer ;
5. One person operation, reduce the labor intensity ;
6. High efficiency and work fast.
7. Assure easily operation and long life service life, free maintainance.
