Description
SMC-UJ22 Multi-Boom Rock Drill – High-Efficiency Full-Hydraulic Tunneling Rig
The SMC-UJ22 Multi-Boom Rock Drill is a high-performance, fully hydraulic drilling rig engineered for medium to large-scale tunnel construction projects. Ideal for road, railway, and hydropower development, this advanced tunneling jumbo offers precise and efficient rock drilling capabilities under complex geological conditions.
Designed with multiple booms, the SMC-UJ22 allows for wide drilling coverage and simultaneous operations, significantly improving excavation speed and reducing project timelines. Its compact yet powerful design ensures optimal performance even in narrow or challenging underground environments.
Key Features:
Full-Hydraulic Control System
Ensures precise, smooth drilling operations with enhanced safety and reduced operator fatigue.
Multi-Boom Configuration
Offers broad coverage and high drilling efficiency—perfect for medium to large tunnel cross-sections.
Operator-Friendly Cabin
Equipped with ergonomic controls, safety systems, and excellent visibility for improved working conditions.
Reliable Powertrain
Powered by a robust and fuel-efficient engine, delivering consistent output for continuous underground operation.
Heavy-Duty Design
Built with reinforced structural components to withstand harsh underground conditions and ensure long service life.
Technical Details
| Description | |||
|---|---|---|---|
| Model | SMC-UJ22 | ||
| Hole range | 41-89mm | ||
| Hole depth | 5,270mm | ||
| Drill Rod Size | T38-H35-R32/5,525 | ||
| Drifter Model | ZY104M | ||
| Impact Power | 20 kW | ||
| Impact Frequency | 60Hz | ||
| Working Pressure | 8bar | ||
| Rated Capacity FAD | 1m3/min | ||
| Diesel Engine Model China II Diesel engine | Cummins QSB5.9-C170-30 | ||
| Rated Power | 125 kW (170 HP) | ||
| Rotation Speed | 2200rpm/min | ||
| Electric Motor Rated Power | 55kW | ||
| Rotation Rate | 1475 | ||
| Voltage | 380V | ||
| Feed Total Length | 7,244mm | ||
| Feeding Length | 5,270mm | ||
| Extension Length | 1,800mm | ||
| Dimension (L*W*H-roof up/down) | 16,800×2,500×2,700 /3,400mm | ||
| Turning Radius ( inner / outer ) | R4,800mm/R8,200mm | ||
| Water System Flow Rate | 100L/min | ||
| Working pressure | 14bar | ||
| Tramming Speed | 14.5/6.5/3.7km/h | ||
| Gradeability | 15° | ||
| Articulated Steering Angle | ±8° | ||
| Hydraulic Jacks | 4pcs | ||
| Ground clearance | 340mm | ||
| Boom extension | 1600mm | ||
| Boom swing angle L/R | ±45° | ||
| Feed lifting angle | +68°/-45° | ||
| Feed tilt angle | +3°/-90° | ||
| Feed roll-over | 360°(auger-type) | ||
| Boom extension | 4000mm | ||
| Boom swing angle L/R | ±45° | ||
| Feed lifting angle | +60°/-35° | ||
| Rated loaded | 600kg | ||
| Reel Cable Length | 100m | ||
| Water pipe reel capacity | 100m | ||
| Jumbo Weight | 36,000kg | ||
| Service Work Size (W x H) | 14.6×9.7m | ||
| Drilling Coverage Area | 13.8×9.7m | ||
| Face Drilling range | 110m2 | ||
| Min. water inlet pressure | 2bar |