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Zhengxun Heavy Industry ZXP4517 Wet Spray Carriage: The “Efficiency Innovator” in Tunnel Construction

Release time:

2026-01-29

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Summary:

In modern tunnel construction projects, concrete wet-spraying rigs have become crucial equipment for enhancing the efficiency and quality of initial support. The ZXP4517 wet-spraying rig from Zhengxun Heavy Industry boasts outstanding advantages in various tunneling applications thanks to its highly efficient, flexible, and stable overall performance. This equipment not only demonstrates strong environmental adaptability but also enables continuous and precise operations even under complex geological conditions, providing robust support for the safe advancement and schedule control of tunnel projects.

The patented boom design offers wider coverage and enhanced operational stability. The ZXP4517 wet spray carriage is equipped with a patented boom system independently developed by Zhengxun Heavy Industry, which supports 360° horizontal rotation and large-angle pitch adjustment, enabling flexible coverage of critical areas such as tunnel arches, sidewalls, and curves. This design helps address the issue of uneven force distribution commonly found in traditional equipment, significantly improving the smoothness of boom operation and extending the service life of the equipment. At the same time, it reduces phenomena such as under-spray and over-spray, thereby enhancing the overall quality of the spraying construction. 02

The large-diameter conveying pipeline ensures smoother pumping and lower failure rates. This equipment uses high-strength conveying pipelines with an inner diameter of no less than 125 mm. Compared to conventional pipelines, the larger diameter helps reduce concrete flow resistance, thereby enhancing pumping efficiency and ensuring continuous, uniform concrete spraying. As a result, the compactness and strength of the initial support layer are significantly improved.

01

With efficient power and intelligent control, the ZXP4517 wet spray carrier is designed to handle complex construction environments. Equipped with hydrostatic all-wheel drive and a hydraulically assisted steering system, coupled with engineered off-road tires, it delivers excellent mobility and stability on tunnel slopes, curves, and uneven road surfaces. The intelligent control system supports remote operation and parameter adjustment, simplifying the construction process, reducing operational complexity, and significantly enhancing the precision and response speed of tunnel operations. 19

From tunnel vaults to curved sidewalls, from complex geological conditions to confined working spaces, the ZXP4517 wet spray carriage from Zhengxun Heavy Industry empowers construction efficiency with patented technology and ensures project quality through its stable performance. It’s not just a piece of equipment that boosts the efficiency of concrete spraying operations—it’s also a reliable partner for reducing costs, improving efficiency, and ensuring safe progress in tunnel construction.