Hydraulic Drilling Jumbos, HT82 (for Tunneling)
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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
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