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The LGM312U is suitable for highway two-lane and three-lane, high-speed rail single-track and double-track arch installation, anchor rod drilling, undercut processing, anchor rod grouting, charging operations, tunnel inspection, and static high-altitude operations within the site.
**Main Features**
**Integrated Arch and Anchor**: Integrates functions such as measurement and point setting, under-excavation, arch installation, anchor mesh installation, advanced support, system anchor rod construction, and anchor rod grouting (optional).
**Expandable Basket**: Large space and high safety, suitable for installing anchor rods and assisting with charging operations.
**Safe and Time-Saving**: Three arms, three grippers, and two baskets; the middle arm has a maximum lifting capacity of 2 tons. Remote operation, combined with multiple prefabricated and foldable arch installations, can complete the arch installation in about 1 hour, effectively improving operational efficiency and safety.
**Single Anchor Rod Arm**: Maximum drilling depth of 4.6 meters, capable of simultaneous arch installation and foot anchor rod operations.
**Labor-Saving**: 4 people can complete the processes of arch installation, system anchor rod, and grouting operations.
**Auxiliary Functions**: Bidirectional driving, four-wheel steering, equipped with a breaker and welding machine, can handle under-excavation and welding operations, making it easier for operators to master.
**Intelligent (Optional)**: Visual construction, achieving real-time positioning via APP, real-time monitoring, hidden danger investigation, command synchronization, remote monitoring, and other cloud management functions.
| Parameter | Value |
|---|---|
| Device parameters | |
| Transport dimensions (L * W * H) | 11360×3250×3355mm |
| Total weight | 36t |
| Engine power | 138.5kW (National IV) |
| Installed electrical power | 92kW |
| Operating mode | Electric construction + diesel-powered walking and emergency |
| Control mode | Wireless remote control + manual control |
| Operating voltage | 380V |
| Operating range (width x height) | 17×12m |
| Chassis Parameters | |
| Chassis form | Operating chassis |
| Driving mode | Bidirectional driving (front and rear dual cabs) |
| Driving and steering methods | Four-wheel drive, four-wheel steering |
| Minimum ground clearance | 380mm |
| Maximum grade | 36% |
| Turning radius | 15m (two wheels)/8m (four wheels) |
| Maximum speed | 15km/h |
| Approach angle/departure angle | 15.4°/15.7° |
| Arm support parameters | |
| Arm support mode | Two stage telescopic |
| Arm support quantity | 3 |
| Hanging basket mode | Expandable |
| Number of hanging baskets | 2 |
| Number of grippers | 3 |
| Maximum lifting capacity of middle arm | 2t |
| Maximum lifting capacity of left and right arms | 1.5t |
| Rock drilling parameters | |
| Number of rock drills | 1 |
| Power of rock drills | 18kW |
| Advance beam | 5590mm (Optional6200/4990mm) |
| Drill Pipe | 4305mm (Optional4915/3700mm) |
| Maximum drilling depth | 4m (Optional4.6m/3.4m) |
| Drilling diameter | Ф41~$102mm |
| Air compressor parameters | |
| Discharge volume | 0.4m³/min |
| Discharge pressure | 0.8MPa |
| Pump parameters | |
| Flow rate | 4m³/h |
| Pressure | 15.3bar |
| Annex | |
| Welding machines | 3 sets |
| Breaking hammers | 2 sets |
| Grouting system | Options |
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