




Model: KM211-CYTM41/2(A)
Climbing capacity: ≤14°
Width of tunnel: ≥2.5m
Height of tunnel: ≥3m
KM211-CYTM41/2(A) hydraulic rock bolting rig is specially designed for the construction of rock bolt in the pipe seam of low tunnels and it is capable of passing the section 2 meters wide and 2.5 meters high. It is suitably qualified for anchoring operations in tunnels whose section extends to a width of over 2.5 meters and a height of over 3 meters.








| Technical Parameters | ||||||
| Dimensions and weight | Air& water system | |||||
| Length | 10200mm | Air compressor | 1×JN5.5 | Oil consumption of lubrication | 180-250 g/h | |
| Width | 1600mm | Capacity of air compressor | 0.75m³/min | |||
| Height | 1800/2650mm | Pressure | 6-8 bar | Power of water pump | 1.5kW | |
| Weight | Appr.12000kg | Device of shank lubrication | Electronic pulse lubrication pump | |||
| Tramming speed on flat ground | 10km/h | Capacity of water pump | 3m³/h | |||
| Maximum climbing capacity | 25%(14°) | Air consumption of lubrication | 0.3m³/min | |||
| Safety protection | Chassis | |||||
| Noise level | <100dB(A) | Diesel engine | Cummins QSB3.9-80-31/60kW/2200rpm | Travelling braking | Hydrostatic brake | |
| Lifting safety roof | FOPS and ROPS certificate | Exhaust purification | Exhaust catalyst | Parking braking | Wet multidisc brake | |
| Drill boom system | ||||||
| Model | K22 | Drive system | Closed travelling system of four-wheel drive | Fuel tank | 60L | |
| Boom extension | 800mm | |||||
| Drilling system | Electric hydraulic power unit | |||||
| Drilling | Bolt Rod Install | Motor | 45kW | |||
| Rock drill | HC25/HC28 | HC25/HC28 | Impact/Feed/Positioning | Axial variable displacement piston pump | ||
| Rod size | R32 | Rotation | Gear pump | |||
| Impact power | 8KW(HC25)/ 10KW(HC28) | Filter fineness | 10 μ | |||
| Impact Frequency | 55-65Hz(HC25)/ 47-53Hz(HC28) | Hydraulic oil tank | 240L | |||
| Hole diameter | 32-51mm | ———— | Hydraulic cooler | Water cooler | ||
| Beam rotation | 360° | Working voltage | 380V | |||
| Feed extension | 480mm | Frequency | 50Hz | |||
| Applicable height of tunnel | Length of bolt rod + about 1500mm(HC25) | Starting method | Star-triangle | |||
| Length of bolt rod + about 1700mm(HC28) | Cable specifications | 3×25+3G6 | ||||