Underground Mining Equipment
Hydraulic Drilling Jumbos, HT82 (for Tunneling)
Our hydraulic drilling jumbo is widely utilized in small to medium-sized underground metal mines, hydropower projects, highway/railway tunnels, and chemical industry applications. With exceptional rock adaptability (handling Protodyakonov hardness levels of f=6-16 or higher), this versatile machine operates efficiently in tunnels as narrow as 3.3 meters wide.
Key Features Include:
- 360° bi-directional (horizontal/vertical) rotation capability of the feed
- Dual functionality for both tunnel development and hole drilling
- Drifter
- Boom with double triangle floating support system
- Anti-jamming function
- Chassis with Yanmar 4-cylinder diesel engine
- Feed
- Control system
| Model | HT82 | |
| Applicable cross section | 3000x3000--5050x4500mm | |
| Overall dimensions (L×W×H) | 10600x1650x2085 （2795）mm | |
| Ground clearance | 320mm | |
| Overall weight | 11500kg | |
| Min. turning radius | Inner: 3450mm outer: 5450mm | |
| Gradeability | 14° | |
| Speed | ≤7.2km/h | |
| Cable length | 70m | |
| Drifter options | ||
| Model | RC2200  | YYG18U  |
| Power | 21kW | 18kW |
| Frequency | 55Hz | 57Hz |
| Pressure | 120-220bar | 130-200bar |
| Slewing system | Independent | Independent |
| Slewing speed | 0-285r/min | 0-220r/min |
| Torque | 720N.m | 1050N.m |
| Feeder | ||
| Total length | 4820/5262mm | 4820/5262mm |
| Drill rod length | 3090/3700mm | 3090/3700mm |
| Hole depth | 2770/3370mm | 2770/3370mm |
| Weight | 550/610kg | 530/590kg |
| Feed force | 13kN | 13kN |
| Drill boom | ||
| Boom extension | 1250mm | |
| Horizontal hole coverage | Full coverage | |
| Boom rotation | ±180° | |
| Boom (lift/tilt angle) | +60°/-30° | |
| Boom swing angle | ±35° | |
| Boom weight | 1645kg | |
| Water and compressed air system | ||
| Max. flow rateof water pump | 4m³/h | |
| Air displacement of compressor | 1m³/min | |
| Electrical system | ||
| Total power | 85.5kW | 65.5kW |
| Main motor power | 75kW | 55kW |
| Voltage | 380V (customized) | |
| Chassis | ||
| Engine | Yanmar diesel engine | |
| Rated power (2200r/min) | 53.7kW | |
| Torque (1650r/min) | 308N.m | |
| Hydraulic system | ||
| Closed circuit hydrostatic drive System Hydraulic direct control system Anti-jumping function | ||
Outside Dimensions of Jombo Drill with 3700 Feed - Side View
Turning Radius
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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