Underground Mining Equipment
Hydraulic Drilling Jumbo with Automatic Rod Changer, HT71 (for Mining)
HT71 hydraulic drilling jumbo features compact design, which is used for small and medium sized mines. With flexible design, this mining equipment can be used for drilling horizontal and fan-shaped holes on vertical and inclined plane in underground mine or tunnels.
With high automation, this underground jumbo drilll features automatic rod change. It's suitable for the drifts and tunnels with a section larger than 3.8m×3.8m.
The underground rock drilling machine features a working platform for easy boom movement in horizontal direction, high precision drill angle indication system, remotely controlled operation platform, and high performance drifter, which ensures drilling jobs are performed in an efficient, safe and quick manner. In addition, the mining jumbo comes with remote access, enabling operations to be performed in a remote manner. This significantly improves the mining production efficiency.
- Drifter
- Control system for anti-jamming, and electro hydraulic proportional control
- Chassis with Cummins diesel engine
- Boom with large tilt/lift angle
| Overall dimensions (L×W×H) | 8810×2390×2200（2910）mm |
| Drifter | RC2200, 22U |
| Power (drifter) | 21 kW / 22 kW |
| Total length (feed) | 3160 / 3456 mm |
| Drill rod length | 1220 /1520 mm |
| Hole depth | 33/41m |
| Feed force | 14 kN |
| Feed extension | 900mm |
| Boom (lift/tilt angle) | 25° 65° |
| Horizontal hole | 1500 mm |
| Guide shell rotatry angle | ±180° |
| Main motor power | 75 kW |
| Rated voltage | 380V (customized) |
| Gradeability | 14° |
| Overall weight | 16.5 T |
| Cable length | 70 m |
- Reduced cost for drilling tools: The hydraulic jumbo drill is equipped with high performance drifter. A dual damper mechanism ensures increased impact energy transfer efficiency. This results in high drilling performance. Combined with anti-jamming function, the service life of the drilling tools such as bits and rods is greatly prolonged.
- Improved working environment: The water is used for hole flushing during rock drilling, minizing dust generation. This provides a comfortable and safe working environment.
- High safety: FOPS certified operator’s cab insulates the operator from noise, dust and vibration, which provides great protection to the operator. This ensures accurate and speedy drilling jobs are performed in a safe manner.
- Cost effective choice: Our underground jumbo drills features high quality core drilling accessories, which guarantees stable operation and high productivity.
Outside Dimensions of Jombo Drill - Side View
Turning Radius
Cross Section
Cross Section
Get in Touch
Huatai is a Chinese company specialized in the design and batch production of rock drilling equipment. Since its inception in 2000, the company has been committed to manufacturing cutting edge products and providing the highest levels of customer service for a number of enterprises engaged in the mining, metallurgical and foundation engineer sectors.
Huatai has achieved continuous self-transcendence and filled several gaps in the domestic market through 20 years of ongoing innovation and development in the underground mining and rock drilling industry. Today, our product line includes more than 30 types of mine rock drilling machines which are fallen into three categories, i.e. underground mining equipment, coal mining equipment and shaft drilling jumbos. Years of our constant growth and improvement have resulted in a respectable achievement in the domestic rock drilling machine industry, increasing the safety, efficiency, and cost-effectiveness for underground mine engineering and tunneling construction operations.
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