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The “Rock-Breaking Artist” in the Tunnel: Zhengxun Heavy Industry’s Single-Arm Rock-Drilling Rig Delivers Efficient Construction
Release time:
2026-08-01
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Summary:
In the demanding world of tunnel construction, rock‑drilling rigs are no longer mere “hole‑making machines”; they have become the “core engine” that shapes project timelines and costs. Zhengxun Heavy Industry’s ZXZY37, ZXZY77, and ZXZY97 single‑arm rock‑drilling rigs eschew flashy specifications, instead embedding “intelligence, stability, and efficiency” into every design detail—making them trusted “rock‑breaking partners” for construction teams operating in challenging conditions such as mines, highways, and railways.

Its “efficiency” never relies on brute force; it stems from precise technological optimization. Equipped with an 18/22 kW hydraulic rock drill, it ingeniously mitigates wear and tear caused by high power through a dual‑buffering system—akin to fitting a “shock absorber” onto a “strongman,” ensuring both explosive drilling performance and extended equipment life. When tackling extremely hard rock, its high‑frequency, high‑pressure impact design delivers instant, powerful blows. Key components are crafted from imported alloy materials and paired with a composite lubrication system, enabling consistent drilling accuracy even under prolonged, heavy‑duty operation—and eliminating the awkwardness of having to shut down for maintenance after just a few holes.

Even more remarkable, it seamlessly integrates human‑centric design with hardcore performance. The standard electric‑control joystick supports wireless remote operation, allowing operators to stay clear of the equipment—avoiding dust and noise while achieving more precise control over drilling angles. A three‑in‑one rotary knob makes switching between drilling, manual mode, and rock‑drilling as simple as shifting gears, and the automatic drill‑retraction feature eliminates the hassle of manual adjustments. Its four‑wheel drive paired with an articulated frame ensures agile maneuverability in tight tunnels, while the front‑fixed, rear‑swing axle configuration enhances climbing capability, enabling steady progress on steep mountain roads or rugged mine passages. Meanwhile, the combination of a four‑stage hydraulic outrigger system and a front‑and‑rear H‑shaped structure acts like a stabilizing anchor, keeping the machine rock‑solid during operation and finally putting an end to the problem of “vibration causing drilling misalignment.”

This single-arm rock‑drilling rig from Zhengxun Heavy Industry eschews the overblown “all‑purpose” label, instead addressing the real pain points of tunnel construction with solid, dependable performance. It may not be the flashiest piece of equipment, but it is a down-to‑earth workhorse that truly understands the needs of construction teams—leveraging stable, reliable core components, ergonomically designed controls, and a mobility system tailored to complex site conditions to turn “high‑efficiency rock breaking” from a slogan into an everyday reality on the job. Along the long road of tunnel engineering, such “rock‑breaking artisans” are the steadfast force driving projects forward, step by step.
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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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