Underground Mining Equipment
Hydraulic Drilling Jumbo with Two Booms, HT81/2
HT81/2 hydraulic drilling jumbo with two booms is Huatai’s latest product manufactured for small and medium-sized mines and various tunnels. It can operate in tunnels with a cross section upwards of 45m2.
The drilling jumbo adopts a fully hydraulic rock drilling system and anti-jamming devices to secure an efficient and rapid function. The drilling machinery’s compact structure also boosts mobility and creates much better working conditions and higher productivity and quality. The working drilling equipment can cover an area up to 48m2. More importantly, the drilling jumbo has gull wing doors but no supporting poles, making it more convenient for maintenance. The latest drilling machine with a strong productivity can be used to smooth the underground drilling and boost transportation development.
| Overall dimensions (L×W×H) | 12200×1980×2300(2970)mm |
| Drifter | YYD18U |
| Power (drifter) | 18 kW |
| Total length (feed) | 6035mm |
| Drill rod length | 4305mm |
| Hole depth | 3970mm |
| Min. hole diameter | ⌀ 45 mm |
| Ground clearance | 275mm |
| Boom extension | 1250 mm |
| Boom (lift/tilt angle) | 53° 30° |
| Boom swing angle | ±35° |
| Main motor power | 2*55 kW |
| Rated voltage | 380V (customized) |
| Gradeability | 14° |
| Overall weight | 22000 kg |
| Cable length | 70m |
| Two hydraulic pumps | Work with two booms |
| Diesel engine | Cummins |
| Rated power of diesel engine at 2300 rpm | 74 kW |
| Diesel engine torque at 1500 rpm | 295 Nm |
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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