Hydraulic Bolting Jumbo, CMM2-33 (for Coal Mine)
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CMM2-33 hydraulic bolting jumbo is built for rock reinforcement in underground coal mines. It's especially suitable for bolting on rocks with strength smaller than f-8. Working together with a production drilling jumbo, this rock bolting rig is used for drilling holes for placing rod bolts and cable bolts. In addition, setting up temporary roof supports provides adequate protection to operators. The mining equipment features high working efficiency, easy operation & maintenance, and stable operation.
General
| Width | 1200 mm |
| Height | 2400 mm |
| Total length | 5580 mm |
| Ground clearance | 250 mm |
| Travel speed | 2.4 km/h |
| Weight | 8750 kg |
Rock drill
| Motor type | 2K-130 |
| Rated torque | 315 N·m |
| Rated speed | 430 r/min |
| Hole diameter | ⌀ 27, 32 mm |
| Rod type | B19 |
| Water consumption | 10-17 L/min |
Electrical system
| Installed power | 45 kW |
| Voltage | 660/1140 V |
| Frequency | 50 Hz |
| Cable reel diameter | 870 mm |
| Phase sequence protection | |
| Undervoltage protection | |
| Overload protection | |
| Short circuit protection | |
| Three-phase unbalance protection | |
| Oil temperature protection | |
| Liquid level protection | |
| Gas leakage protection | |
| Gas concentration protection | |
Feed
| Total length | 1808 mm |
| Rod length | 1500/1200 mm |
| Hole depth | 18000 mm |
| Weight | 376 kg |
| Feed force | 13 kN |
| Feed speed | ≥1000 mm/min |
| Return speed at no load | ≥4000 mm/min |
| Working pressure | ≤10 Mpa |
Boom
- Tilt/lift angle: 0-19°
- Swing angle of feed: 7-7°
- Rotation angle: 25-86°
- Retractable length: 1480 mm
- Feed extension: 1170 mm
- Rollover angle of feed: ±90°
- Weight: 340 kg
- Max. pump displacement: 1 m³/h
- Working pressure for slag discharge: 6-12 bar
Hydraulic system
- Main pump displacement: 130 cc
- Assisted pump displacement: 16 cc
- Max. oil tank capacity: 130L
- Filter efficiency: 10 μm
- Torque: 10500 N.m
- Travel speed: 2.4 km/h
- Gradeability: 14°
- Track width: 300 mm
- Front work light: 2x9W
- Rear work light: 1x9W
| Voltage | Type | Cross section | Diameter | Length |
| 1140 V | MYP-0.66/1.14 | 3x25 1x16 mm2 | 40 mm | 50 m |
Outside Dimensions of Bolting Jumbo - Side ViewWorking CoverageRelated products
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