Description
Standard Configurations
- Drifter
- Boom with double triangle floating support system
- Anti-jamming function
- Chassis with 4-cylinder diesel engine
- Feed
- Control system
Technical Specifications
| HT81 | ||||
| Applicable cross section | 4000x4000--6100x6100mm | |||
| Overall dimensions (L×W×H) | 12000x1850x2280（2880）mm | |||
| Ground clearance | 300mm | |||
| Overall weight | 13500kg | |||
| Min. turning radius | Inner: 3500 mm / Outer: 5480 mm | |||
| Gradeability | 14° | |||
| Speed | ≤15km/h | |||
| Hydraulic oil tank | 120L | |||
| Drifter | ||||
| Model | RC220 | YYG18 | YYG22 | HC95LM |
| Power | 21kW | 18kW | 22kW | 21kW |
| Frequency | 55Hz | 57Hz | 53Hz | 58Hz |
| Pressure | 120-220bar | 130-200bar | 180-200bar | 180-200bar |
| Slewing system | Independent | Independent | Independent | Independent |
| Slewing speed | 0-285r/min | 0-220r/min | 0-220r/min | 0-303r/min |
| Max. Torque | 720N.m | 1050N.m | 1050N.m | 764N.m |
| Feeder | ||||
| Total length | 5262/5972mm | 5262/5972mm | 5972mm | 5972mm |
| Drill rod length | 3700/4305mm | 3700/4305mm | 4305mm | 4305mm |
| Hole depth | 3370/3970mm | 3370/3970mm | 3970mm | 3970mm |
| Weight | 630/660kg | 610/640kg | 640kg | 640kg |
| Feed force | 13kN | 13kN | 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 | 2015kg | |||
| Water and compressed air system | ||||
| Max. flow rate of pump (12bar) | 4m³/h | |||
| Air displacement of compressor | 1m³/min | |||
| Electric drive system | ||||
| Model | RC2000/YYG22U/HC95LMa | YYG18U | ||
| Total power | 85.5kW | 65.5kW | ||
| Main motor power | 75kW | 55kW | ||
| Rated voltage | 380V (customized) | |||
| Chassis | ||||
| Engine | Dongfanghong diesel engine | |||
| Rated power（2200r/min） | 73.6kW | |||
| Torque (1650r/min) | 319.5N.m | |||
| Hydraulic system | Hydraulic proportional control valves Anti-jamming function Fail-safe brake system |
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