FCMJ2-18 Drilling jumbo is mainly used to drill blast holes for tunneling constructions in mining, metallurgy, water and electricity, railway, highway engineering, etc. This series use all hydraulic drive, two booms work together, with high efficiency and speed which can be 0.8-2 m/min. The advanced hydraulically controlled drilling system, which is safe and simple to operate, incorporates the auto stop and anti-jamming function, auto-stop at end-point, auto wash. This jumbo has a small body, runs with the crawler, can climbing flexibly on large slop. Working with electric motor can improve the working environment a lot, reduces noise, dust and energy consumption. The flexible hydraulic rock drill can work on the section, roof, side and floor. The jumbo cannot only drill blast hole, according to the basis of section, it also can drill bolt hole conveniently with our patent impeller.
| Item | Parameter | |
| Body | Overall size (L×W×H） | 8350×1290×2450 mm |
| Hole diameter | Φ33～Φ102 mm | |
| Drill pipe length | 3050 mm | |
| Hole depth | 2.7 m | |
| Drilling speed | 0.8～2 m/min | |
| Section (W×H) | 2.5×2.5～5.5×4.5 m | |
| Climbing capability | 25% | |
| Total weight | ≈8500 kg | |
| Bottom | Min. turning radius | Spot turn |
| Running speed | ≤2.5 km/h | |
| Boom | Up and down | up55°, down16° |
| Swing boom | inner14°, outer47° | |
| Compensation | 1500 mm | |
| Rotation | positive180°, negative180° | |
| Thruster | Pitching | down105°, up15° |
| Swing angle | inner45°, outer45° | |
| Total length | 4150 mm | |
| Distance | 2700 mm | |
| Max. Propulsion | 9000 N | |
| Impacting oil pressure | 30～45 L/min | |
| Impacting flow | 14～16 Mpa | |
| Torque | 60～260 N·m | |
| Impacting energy | 100～200 J | |
| Impacting frequency | 34～67 Hz | |
| Hydraulic system | Impacting loop pressure | 16 MPa |
| Drill pipe rotation loop pressure | 15 MPa | |
| Compensation loop pressure | 10 MPa | |
| Boom loop pressure | 20 MPa | |
| Propulsion loop pressure | 11 MPa | |
| Leg extension loop pressure | 21 MPa | |
| Running loop pressure | 20 MPa | |
| Air system | Drop tank air pressure | 0.03 Mpa |
| Blowing hole air pressure | 0.7 Mpa | |
| Rock drill air pressure | 0.4 Mpa | |
| Water system | Rock drill water pressure | (≥) 1.2 MPa |
| Colder water pressure | (≤) 0.6 MPa | |
| Electric system | Installed power | 30 KW |
| Supply voltage | 380 V | |
| Electric motor rotation speed | 1470 r/min | |
| Switch box | Explosion Insulated & intrinsically safe | |
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