- industrial air compressor
- desiccant compressed air dryer
- diesel air compressor
- large vacuum pump
- oil free piston air compressor
- oil free screw air compressor
- oil free scroll air compressor
- pm vsd dual stage screw air compressor
- pm vsd single stage screw air compressor
- refrigerated air dryer
- screw blower
- single stage double screw air compressor
- two stage double screw air compressor
- ultra high pressure air compressor
down-the-hole drilling rig for confined mining sites
The down-the-hole drilling rig is an efficient drilling device that can be equipped with either diesel or electric power, making it suitable for perforation operations in confined spaces and complex environments. Its compact structure and flexible mobility are especially ideal for mining, tunnels, and various engineering fields, meeting the demands of special conditions such as cold and high-altitude areas.
Description
The Down-the-Hole Drilling Rig
The down-the-hole drilling rig is a highly efficient drilling device compatible with multiple power systems to meet the operational needs of various mines and engineering projects. It can be equipped with a diesel power unit for convenient site transfer, or powered by electricity for greater energy efficiency and environmental performance. Featuring a low-profile feed mechanism, the rig is well-suited for drilling operations in confined spaces, offering strong adaptability.
Features of the Down-the-Hole Drilling Rig
- Versatile Power Options: Flexible choice of diesel or electric power to accommodate different operational and environmental requirements.
- Low-Profile Design: Reduced feed height allows construction in low and narrow spaces, expanding application scenarios.
- Adaptability to Cold and High-Altitude Conditions: Dedicated system solutions ensure stable operation in extreme climates and high-altitude environments.
- Optional Bidirectional Shock-Absorbing Power Head: Flexible coupling effectively isolates vibration, enhancing overall operational reliability.
- Optional New Dust Cover: Innovative structural design with double sealing and elastic ground contact effectively prevents rock debris from splashing, improving safety.
Application Fields
This drilling rig is widely used in mining, foundation engineering, and tunnel excavation, especially in sites with limited space or harsh environments. With customized solutions for cold and high-altitude regions, the down-the-hole drilling rig can meet the demands of drilling operations under special conditions.
Technical Parameters
| Item | Unit | BY-MD221 |
|---|---|---|
| Air Pressure | Mpa | 0.6 to 2.4 |
| Drill Diameter | mm | 76 to 165 |
| Drilling Depth | m | 0 to 100 |
| Angle | -10 to 90 | |
| Rated Torque | kN.m | 4.5 |
| Peak Torque | kN.m | 7.2 |
| Rotation Speed | rpm | 0 to 28 |
| Feed Force | kN | 0 to 81 |
| Retract Force | kN | 0 to 81 |
| Feed Stroke | mm | Standard: 1865, Optional: 1365 |
| Travel Speed | km/h | 0 to 2.5 |
| Maximum Gradeability | 14 | |
| Ground Clearance | mm | 209 |
| Voltage | V | Standard: 380 (Optional: 660/1000/1140) |
| Motor Power | kW | 22 |
| Diesel Power | kW | 36 |







English
Français
Tiếng Việt
Italiano
Nederlands
Türkçe
Svenska
Polski
Română
Latviešu
한국어
Русский
Español
Deutsch
Українська
Português
العربية
Indonesian
Čeština
Suomi
Eesti
Български
Dansk
Lietuvių
Bokmål
Slovenčina
Slovenščina
Ελληνικά
Magyar
עברית 