Hydraulic Tunneling Drilling Rig, KJ311
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Secondary breaking drill rig
- Dimensions (L×W×H): 11300×1750×2000/3000mm
- Weight: Approx.12000kg
- Maximum gradeability: 25%(14°)
- Range of cross section: 12-35m²
KJ311 hydraulic tunneling drilling rig is a secondary breaking drill rig engineered for hard-rock mining and tunneling operations, with cross sections of 12-35m².
Dimensions and weight | |||||||
Length | 11300mm | ||||||
Width | 1750mm | ||||||
Height | 2000/3000mm | ||||||
Weight | Approx.12000kg | ||||||
Tramming speed on flat ground | 10km/h | ||||||
Maximum gradeability | 25%(14°) | ||||||
Safety protection | |||||||
Noise level | < 100dB(A) | ||||||
Lifting safety roof | Meet the requirements of FOPS and ROPS | ||||||
Air and water system | |||||||
Air compressor | 1×JN4 | Oil consumption of lubrication | 180-250g/h | ||||
Capacity of air compressor | 0.5m³/min | ||||||
Pressure | 6-8bar | Water pump | 1×CR3 | 1×CR5 | |||
Shank lubrication device | Electronic pulse lubrication pump | Power | 1.5kW | 5.5kW | |||
Air consumption of lubrication | 0.3m³/min | Capacity of water pump | 3m³/h | 6m³/h | |||
Chassis | |||||||
Diesel engine | Cummins QSB3.9-C80-31 60kW/2200rpm | Tires | 11.00-20 | ||||
Exhaust purification | Exhaust catalyzer | Steering mechanism | Articulated steering angle: ±40° | ||||
Drive system | Closed hydraulic system for four-wheel driving | Travelling braking | Two-circuit hydraulic brake | ||||
Swing angle | Swing of rear axle: ±10° | Parking braking | Wet multi-disc brake of reducer | ||||
Fuel tank | 60L | ||||||
Drilling system | |||||||
Rock drill (drifter) | 1×HC50/R38 | 1×HC109/R38 | 1×HC95LM/R38 | ||||
Impact power | 13kW | 18.8kW | 21kW | ||||
Impact flow | 105L/min | 135L/min | 100-120L/min | ||||
Impact pressure | 130bar | 135bar | 180-200bar | ||||
Maximum rotary pressure | 150bar | 150bar | 210bar | ||||
Impact frequency | 62Hz | 47Hz | 62Hz | ||||
Torque | 325Nm | 780Nm | 764Nm | ||||
Hole diameter | Ø32-76mm | Ø42-102mm | Ø42-102mm | ||||
Beam rotation | 360° | ||||||
Feed extension | 1600mm | ||||||
Model of drill boom | K26F | ||||||
Form of drill boom | Automatic parallelism | ||||||
Boom extension | 1200mm | ||||||
Electric hydraulic power unit | |||||||
Motor | 45kW | 55kW | 75kW | ||||
Impact/Feed/Positioning | Variable displacement axial piston pump | ||||||
Rotation | Gear pump | ||||||
Filter fineness | 10µ | ||||||
Hydraulic oil tank | 240L | ||||||
Hydraulic cooler | Water cooler | ||||||
Working voltage | 380V | ||||||
Frequency | 50Hz | ||||||
Starting method | Star/delta | ||||||
Cable reel | 1×F440 | ||||||
Length of reel cabling | 100m | 80m | |||||
Cable specifications | 3×35 3G6 | 3×50 3G6 |
Item | Name | Brand | Country |
1 | Rock rill | Montabert | France |
2 | Rock drill control system | Montabert | France |
3 | Screw oil cylinder | HELAC | USA |
4 | Plunger pump | Danfoss | USA |
5 | Motor | Danfoss | USA |
6 | Gear pump | Danfoss | USA |
7 | Steering gear | Danfoss | USA |
8 | Hydraulic valve | MICO | USA |
9 | Dual brake valve | MICO | USA |
10 | Valve group | hydro contro | Italy |
11 | Diesel engine | DEUTZ | Germany |
12 | Cable reel | Cavotec | Italy |
13 | Cable | Nexans | France |
14 | Water pump | Grundfos | Germany |
15 | Drill rod | Kaishan | China |
16 | Drill bit | Kaishan | China |
17 | Jointer | Eaton | USA |
18 | Hose | Eaton | USA |
19 | Electrical elements | Schneider | Germany |
20 | Screw air compressor | Kaitain | China |
21 | Oil cylinder | Waco | Germany |
22 | Energy accumulator | Liming | China |
23 | Cooler | Changzhou | China |
Hydraulic system cooler | HYDAC | Germany | |
24 | Main motor | Wolong | China |
25 | Tyre | Chaoyang | China |
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