Open-Type Gripper Tunnel Boring Machine
Open-type gripper TBMs are optimal for tunneling in tough hard rock. They are used in the construction of water conservancy tunnels, hydro-power tunnels, rail tunnels, and urban rail transit systems.
Technical Specifications
Overview
High-Performance Hard Rock Excavation
This open-type gripper tunnel boring machine is engineered specifically for efficient excavation in challenging hard rock environments. Designed for water conservancy, hydro-power, and urban rail projects, it features a robust gripper system that anchors against tunnel walls to provide superior stability and thrust. The machine integrates advanced drilling and grouting systems to manage unstable ground conditions, ensuring continuous and safe operation.
Technical Specifications
Excavation Diameter Range
3 m
Minimum Diameter
12 m
Maximum Diameter
Key Components
- Rotating cutterhead with disc cutters
- Gripper system for wall anchoring
- Thrust cylinders for advancement
- Belt conveyor system for muck removal
- Ring beam erector assembly
- Roof drill assembly
- PLC control cabinet
Features
Operational Features
Advanced Drilling & GroutingWear-Resistant CutterheadReal-time PLC MonitoringAdjustable Foam SystemHigh-Efficiency Transport
Project References
Historical Project Data
| Project Name | Excavation Diameter (mm) | Quantity |
|---|---|---|
| North Hubei water diversion | 4,030 | 1 |
| Taizhou water diversion | 4,030 | 1 |
| Beijiang water diversion | 4,530 | 1 |
| Inner Mongolia water diversion | 4,750 | 3 |
| EH water diversion | 5,530 | 2 |
| San Gabán hydropower | 5,830 | 1 |
| ABH Project | 6,530 | 2 |
