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Zhengxun Heavy Industry’s ZXP2512 Wet Spraying Trolley: A Versatile Solution to the Challenges of Tunnel Construction
Release time:
2026-10-17
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Summary:
I. Construction Challenges in Confined Spaces and Solutions for Overcoming Them
In the tunneling industry, low‑clearance, narrow working environments have long been a persistent challenge for construction teams. Conventional large‑scale equipment is often too bulky to access such spaces, while smaller tools frequently fall short in coverage, resulting in reduced efficiency. The ZXP2512 wet‑spraying concrete carriage from Zhengxun Heavy Industry was developed precisely to address this dilemma. With a core design philosophy of “a compact body delivering exceptional performance,” it combines a streamlined structure with an ultra‑wide‑range boom system to enable efficient, high‑precision operations even in confined spaces.
II. Core Advantages: Flexible Adaptability and Comprehensive Coverage with No Blind Spots
1. A compact body that breaks through spatial limitations
The ZXP2512 weighs just 8,800 kg and measures 6,136 × 2,012 × 2,794 mm, featuring a small turning radius and excellent maneuverability. In the Qinghai tunnel project, its superior mobility enabled frequent repositioning across challenging terrain, significantly shortening the construction schedule. This “go‑anywhere” design ensures efficient coverage of areas that conventional equipment cannot reach.
2. Dual 360° rotating booms ensure full‑area coverage.
The boom system equipped on the machine supports 360° rotation in both the full‑length and shortened‑boom configurations, and, combined with its wide‑angle spraying capability, it can effortlessly cover the entire working surface, including arch tops and overhead spraying. The integration of remote pumping technology further reduces the frequency of equipment repositioning, enabling continuous operation even in high‑drop, large‑span applications.
3. Patent‑pending boom design ensures stability and durability.
HaoDa Heavy Industry’s patented “stomach‑frame” structure optimizes stress distribution, eliminates uneven loading, and extends equipment life by more than 30%. Under harsh operating conditions such as mine tunnels, it demonstrates exceptional stability, while maintenance costs are reduced by approximately 20% compared with similar products.
III. A Dual Revolution in Power and Energy Efficiency
The ZXP2512 features hydrostatic all-wheel drive combined with a hydraulically assisted steering system, delivering robust power output and responsive handling. To meet diverse operational requirements, it offers three customizable motor‑power options—45 kW, 55 kW, and 65 kW—and boasts a theoretical spray rate of up to 25 m³/h, while reducing energy consumption by 15% compared with conventional equipment. Its dual‑fuel (diesel–electric) switching capability—described on page 6—further enhances both environmental performance and cost efficiency.
IV. Real-World Validation: Empowering Engineering Efficiency Across Multiple Scenarios
This equipment has been successfully deployed in major infrastructure projects, including those undertaken by China Railway 11th Bureau and Shudao Group. In a tunnel construction project in Loudi, Hunan Province, the ZXP2512 reduced the number of equipment relocations, shortening the project schedule by 20% while increasing concrete compaction to over 98%. Its intuitive visual control panel and rust‑proofing treatment (see Webpage 6) have also significantly lowered the operational learning curve and reduced the incidence of malfunctions.
V. Industry Recognition: Technological Expertise and Service Assurance
As a locally based, specialized, refined, distinctive, and innovative enterprise in Changsha, Zhengxun Heavy Industry has leveraged dozens of patented technologies and a comprehensive end-to-end service system to become a long-term partner of state-owned enterprises such as China Communications Construction Company and China State Construction Engineering Corporation. Its equipment not only meets domestic demand in tunneling and mining but is also exported to Southeast Asian markets under the Belt and Road Initiative, underscoring its international competitiveness.
Conclusion: The Value Upgrade from “Tool” to “Partner”
The ZXP2512 wet-spraying carriage is not a “giant” obsessed with pushing parameters to the limit; rather, it adopts a pragmatic, field‑ready approach that precisely addresses key pain points, thereby redefining the standards for tunnel‑construction equipment. Through technological innovation and scenario‑specific design, it transforms commitments to improved quality, accelerated timelines, and enhanced safety into tangible benefits, making it an indispensable all‑round performer in modern engineering projects.
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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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