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Tunnel support is no longer a headache: Zhengxun Heavy Industry’s three-boom arch‑support installation carriage helps lighten the workload.
Release time:
2026-05-31
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Tunnel support is no longer a headache: Zhengxun Heavy Industry’s three-boom arch‑support installation carriage helps lighten the workload.
If you’re a tunnel‑construction manager or a frontline worker, you’re likely all too familiar with these scenes: during each shift, a dozen or so workers huddle around bulky arch supports, pushing and prying until they’re drenched in sweat, with a single segment taking three to four hours to install. The construction site is thick with the acrid smell of diesel, while dust and noise conspire to leave everyone frazzled. In the narrow, perforated cross‑sections, equipment can’t even turn around, and progress drags on and on… The inefficiency, labor‑intensiveness, and high emissions of traditional arch‑support installation have long been an unspoken “pain point” for everyone.
In fact, everyone’s simplest wish is straightforward: fewer workers, faster progress, less effort, and safety and environmental protection. Hezhun Heavy Industry has heeded these genuine voices from the front lines and responded with a three‑arm arch‑support installation trolley, backed by solid, reliable technology.
First, let’s talk about “saving manpower and effort.” In the past, erecting arch trusses using conventional methods often required more than ten workers to coordinate. By contrast, this Zhengxun mobile gantry can be assembled and installed by just four people, with each unit capable of stably installing approximately 15,000 members per shift under standard operating conditions. Moreover, a team of four to five workers can complete three arch trusses in as little as 1.5 hours. This translates to a direct halving of labor costs and an efficiency improvement of over 50%. For project owners, this not only cuts substantial labor expenses but, more importantly, frees workers from heavy, hazardous tasks such as lifting and alignment, significantly enhancing workplace safety.
And then there’s “environmental friendliness.” With limited space inside tunnels, the accumulation of exhaust gases has long been a persistent challenge. The Zhengxun trolley is equipped with a high‑performance China V‑compliant engine, significantly reducing road‑air pollution and minimizing the health risks posed by exhaust emissions to nearby pedestrians and construction workers. At the same time, the equipment is constructed from high‑strength materials, balancing load‑bearing capacity with lightweight design, thereby enhancing its maneuverability and ensuring that the working environment is no longer shrouded in smog and fumes.
Finally, let’s consider “flexibility and efficiency.” Complex tunnel conditions—such as multiple boreholes and variable cross-sections—have long posed significant challenges for many pieces of equipment. Zhengxun’s innovative three‑arm hoist design dramatically expands the operational envelope, offering enhanced mobility and seamlessly adapting to the demands of multi‑bore tunnel construction. It also supports a variety of assembly methods, including steel arches and modular scaffolding, ensuring smooth performance regardless of changes in excavation cross‑sections—fully replacing conventional monolithic systems. This results in more convenient construction, with finer adjustments and smoother operation compared to traditional cylinder‑based designs.
It’s fair to say that Zhengxun Heavy Industry’s three‑arm arch‑support installation carriage does more than just sell a piece of equipment—it offers tunnel construction teams a comprehensive “burden‑reduction solution”: fewer workers, faster progress, a better working environment, and enhanced safety. The next time you find yourself at the tunnel entrance, worrying about schedules and costs, consider giving this machine—designed with frontline needs in mind—a try. With its proven efficiency, it will help you work with peace of mind.
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Changsha Base:Hunan Zenxon Heavy Industry Technology Co., Ltd.
Address: Jinrong Tongxin International Industrial Park, Changsha High-tech Zone
Loudi Base:Hunan Haoda Heavy Industry Technology Co., Ltd.
Address: Loudi Avenue, Loudi High-tech Industrial Development Zone, Lianyuan City, Loudi City, Hunan Province
Telephone:400-186-0868
E-mail:3804246750@qq.com
E-mail:19967177733@163.com
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