Twin boomer face drilling jumbo for underground mining and tunnelling projects
GP45-2 Dual-boom hydraulic drilling jumbo is mainly used for tunnel construction of metal mine. It is
designed with an advanced hydraulic drilling system, anti-jamming device and has features of fast drilling and
high efficiency. Compact structure and good mobility performance make it improve working
environment, construction efficiency and also quality greatly. Superior design concept makes side hole
drilling more easier control.
Hydraulic system
Hydraulic oil tank, volume max/min ..........230 L
Filtration .......................................................10μm
Oil temperature sensor
Oil level sensor
Water cooled oil
Hydraulic oil filter core pressure differential sensor
Air system
Compressor capacity, max at 7 bar......1 m³/min
Air pressure monitor
Air tank capacity...............…..56L
Hydraulic cooling system
Water system
water booster pump CDL8-16
Water pressure monitor
Pump max. capacity at 12 bar .............8 m³/h
Min water inlet pressure ....................2 bar
Electrical system
Carrier
Cumins diesel engine
Power rating at 2 200 rpm ........................74 kW
Torque at 1 500 rpm ............................. 330 Nm
Articulated steering ± 40 degrees steering angle
Fuel tank volume .....................….60 L
Rotary seat for tramming
Four-wheel drive
Hydrostatic power steering system
Front axle ............................... ........... Bench
Rear axle ............ Bench, ±7 degrees oscillation
Tyre................................12.00-20
Gradeability...........................14°
Front jack.....................2 extendable
Rear jack................................2
Battery......................24V, 2X120Ah
Tramming light..................…8x40w
Service break, parking break