| After-sales Service: | 6 Month |
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| Warranty: | 6 Month |
| Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
| Condition: | New |
| Total Weight: | 28t |
| Engine Power: | 138.5kw |
| Customization: |
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Suppliers with verified business licenses
Audited Supplier The LG312M intelligent integrated arch frame trolley integrates multiple processes such as measuring and placing points, under-excavation operations, arch frame installation, welding mesh and connecting ribs. The installation of arch frames during one-time excavation of the double-track tunnel can be completed without moving the machine. The entire vehicle adopts an engineering chassis, diesel-electric dual power systems, and a two-way driving platform structure. The machine features favorable driving performance and can adapt to various complex tunnel road conditions. The arm frame utilizes wireless remote control and manual control operation, which is simple to accurately control the movement of the robotic arm and has the characteristics of fast, efficient, energy-saving, and safety.
Equipment digitization(Optional): including cluster management, positioning function, video surveillance, walkie-talkie function, pre/alarm function,data management function, tunnel BIM technology and digital twin, construction report anagement, tunnel contour scanning, remote control and other functions.
Expandable hanging basket: The equipment is equipped with a expandable hanging basket, which features a larger operating space that can be used to install explosives and anchor rods.
High efficiency: Featuring a three-arm, three-gripper, and three-basket structure. The maximum lifting force of the middle arm is 3 tons. Various construction methods such as full-section, two-benching, and three-benching can be utilized. The hole equipment can be set up in around an hour.
Installation of prefabricated arch frames: Our company's patented multi-frame prefabricated segmented assembly and multi-frame prefabricated folding arch frame installation techniques are used to produce the arch frames outside the unnel. This reduces the required working time on dangerous surfaces and construction safety risks, and greatly improves overall efficiency.
Less operating personnel: The entire construction operation can be completed by only 3-4 people, where traditional operations would require 8 or more.
Auxiliary function integration: The equipment comes with a breaker hammer and welding machine, which can perform under-excavation processing and welding operations when the arch is installed.
Small overall size: The vehicle is lightweight in design and small in overall size, making it adaptable to small-section construction conditions.
| Transport dimensions (L × W × H) | 11800×3200×3200mm |
| Total weight | 28t |
| Engine power | 138.5kW |
| Installed electrical power | 87.5kW |
| Operating mode | Electric construction + diesel-powered emergency |
| Control mode | Wireless remote control + manual control |
| Operating voltage | 380V |
| Operating range (width × height) | 18×12.5m |
| Chassis form | Operating chassis |
| Driving mode | Bidirectional driving (Dual cabs) |
| Driving and steering methods | Four-wheel drive, four-wheel steering |
| Minimum ground clearance | 400mm |
| Maximum grade | 32% |
| Turning radius | 15m (two wheels) 8m (four wheels) |
| Maximum speed | 25km/h |
| Approach angle/departure angle | 17°/15° |
| Arm support mode | Two stage telescopic |
| Arm support quantity | 3 |
| Hanging basket mode | Expandable |
| Number of hanging baskets | 3 |
| Number of grippers | 3 |
| Maximum lifting capacity of middle arm | 3t |
| Maximum lifting capacity of left and right arms | 1.5t |
| Welding machines | 3 sets |
| Breaking hammers | 2 sets |
| Three remote controls/one remote control | Unidirectional driving |
| Breaker | Front wheel steering |
| Electric Welding Machine | Combustible Gas Detector |
| Middle arm bearing capacity of 1.5t | Hole cleaning device |
Suppliers with verified business licenses
Audited Supplier 
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