Three-Arm Arch Support Installation Trolley ZXGJ2800

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Arch Support Installation Trolley Series

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The ZXGJ2800 three‑arm vertical arch‑support carriage is a new‑generation tunnel‑construction machine developed by our company. It integrates multiple functions, including arch‑support installation, mesh‑and‑anchor‑rod placement, and auxiliary drilling, enabling “one machine, multiple uses” and reducing equipment investment. Featuring a novel vertical‑erection process, the machine can install 2–3 precast welded arch supports in a single operation, effectively addressing the time‑consuming, labor‑intensive, and high‑risk challenges of traditional manual erection and meeting the demands of mechanized, rapid construction.

Product Features:

Wheeled engineering chassis: 123 kW diesel engine, four-wheel drive, dual steering axles, three travel modes, bidirectional cab with automatic rear-wheel alignment, ensuring safe and flexible operation.

Stable transmission configuration: hydraulic torque converter + gearbox + heavy-duty axles, ensuring reliable braking and low failure rates.
Diesel–electric hybrid power: Enables zero-emission, low-noise, and cost-effective operations, meeting environmental standards.
Three‑arm, high‑efficiency operation: with three arms, three grippers, and three suspended work platforms, it can install 2–3 precast arch supports in a single cycle, significantly reducing the time required for erecting arches.

Smart Safety + Wireless Remote Control: Prevents misoperation, ensures simple operation, and makes construction safer and easier.
Wide‑area compatibility: Fully compatible with high-speed rail single‑ and double‑track tunnels, supporting full‑section construction and the bench method, and also compatible with certain highway tunnels.