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Concrete spraying system
DRAGON is a compact, versatile and high performance unit for underground shotcrete works. Practical and easy to use, Dragon is the ideal solution for small and medium section galleries and tunnels. Designed for heavy working conditions, highly resistant to operating stress.
Features
Double piston pump
Double piston pump with 15 m3/h theoretical flow.
Telescopic boom and nozzle
Great maneuverability for the robust telescopic boom and nozzle.
Remote control
Proportional remote control, dual use (radio/cable).
Dosing pump
Hydraulically operated worm type pump for pulsation free effect, stainless steel rotor to avoid corrosion and running dry protection ideal for all additives.
Cabin
Open cabin FOPS with 180° swivelling driving post and high sitting position for improve visibility.
Spraying boom and nozzle system
- Great maneuverability of the telescopic boom with 4 section box beams in high yield point steel, with protection cover and guide bushing for smooth operations
- Front hydraulic stabilizers with shaft protection
- High pressure rubber hose diameter 65 mm for concrete, high quality air and chemical hose
- Automatic brush movement of the nozzle, rotation 360°, inclination 240°
- Easy cleaning nozzle group
Electrics
- Every electric component is marked and easy to identify
- Working lights: 2x500W placed on the spraying boom and 2 extra-lights on the concrete pump and working areas
- 50 m electric supply cables with manual reel
Admixture dosing pump
- Increased capacity additive tank of 600 literseasy to refill and change (1000 l. optional)
- Hydraulically operated pulsation-free worm pump, stainless steel rotor to avoid corrosion plus dry running protection
- Ideal for all types of accelerator, alkali-free included
- Electronic output meter. Additive dosing ratio is synchronized with the concrete flow
Truck
- Front load-bearing and steering with planetary reduction gears on the wheel hubs
- Rear load-bearing oscillating (+- 5”) and steering with planetary reduction gears on the wheel hubs and flanged gearbox
- Front and rear tyres: 12.0/75 - 18” P.R. 12 TR3
- Heavy duty chassis designed to stand the toughest working conditions in mines and tunneling works
Technical data
|
| DRAGON 50 HZ | DRAGON 60 HZ |
|---|---|---|
| Diesel engine (traction) | Yanmar - liquid cooled - 33 kW | Deutz - air/oil cooled - 54 kW |
| Eletric motor (pumping) | 30 kW | 30 kW |
| Compressor eletric motor | 37 kW | 44 kW |
| Max theoretical output [*] | 15 m3/h | 15 m3/h |
| Compressor air output | 6.500 l/min | 6.500 l/min |
| Max pressure on material | 80 bar | 80 bar |
| Max strokes | 30 | 30 |
| Pumping cylinders | Ø 120 mm (with run 700 mm) | Ø 120 mm (with run 700 mm) |
| Additive max output [*] | 16 l/min | 16 l/min |
| Additive tank | 600 l (1.000 l upon request) | 600 l (1.000 l upon request) |
| Water tank | 200 l | 200 l |
| Telescopic arm - maximum spraying reach | Vertical 8,9 m / horizontal 7,1 m | Vertical 8,9 m / horizontal 7,1 m |
| Telescopic arm - minimum spraying reach | Vertical 2,5 m / horizontal 2,4 m | Vertical 2,5 m / horizontal 2,4 m |
| Transmission | hydrostatic with mechanical gearbox | hydrostatic with mechanical gearbox |
| Steering |
Steering assisted, dry steering on 4 steering wheels 2 steering wheels - 4 steering wheels, crab steering |
Steering assisted, dry steering on 4 steering wheels 2 steering wheels - 4 steering wheels, crab steering |
| Traction | 4 wheel drive - 4 wheel steering | 4 wheel drive - 4 wheel steering |
| Dimensions (L x W x H) | 5.321 x 2.263 x 2.620 cm | 5.321 x 2.263 x 2.620 cm |
| Weight | 5.300 kg | 5.300 kg |
| Weight with compressor | 6.600 kg | 6.600 kg |
[*] The data indicated are theoretical and depend on the quality and consistency of the materials to be used wear and tear of the pump and the diameter of the hoses. The performance in distance and height can not be reached simultaneously.