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Zhengxun Heavy Industry’s Hyperbolic-Arm Rock-Drilling Rig: Redefining the Cost Floor of Tunnel Construction
Release time:
2026-07-25
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Summary:
Tunnel contractors all keep a common ledger that lists three major cost drivers siphoning off profits: labor, construction schedule, and over-excavation. Ultimately, the value of any piece of equipment is ruthlessly measured against this very ledger.
We are Sichuan A certain high-speed railway tunnel (surrounding rock) IV Level, section approximately 120 ㎡) was conducted for a period of 6 Over a period of one month, a full-cost analysis was conducted, systematically comparing the Zhengxun double‑arm rock‑drilling rig with conventional manual pneumatic drills and single‑arm rig solutions. The conclusion was both stark and unequivocal:
First entry: manual ledger.
The traditional solution requires at least per shift 6-8 A certified drilling technician, and Zhengxun Heavy industry Hyperbolic arm Rock drilling rig Plan, only requires 1 A skilled operator remotely controls the system from the safety zone. A collaborative operation algorithm for the two intelligent drilling arms enables them to function as if sharing a single “brain,” eliminating interference and waiting times, thereby boosting operational efficiency by nearly… 40% . Based on the current median monthly salary of tunnel workers, the annual labor cost per tunnel portal decreases directly by 180 Over ten thousand.
The second payment: the construction schedule account.
Zhengxun Heavy Industry’s hyperbolic-arm rock drill The trolley is in the broken state. IV In Class V surrounding rock, the average drilling rate reaches 3.5m/min , the full cross-section is approximately 180 A blast hole, 2 High-precision drilling can be completed within hours. Single cycle. Homework time 30% , the average monthly advance has exceeded 120 meters. Compared with the manual approach, the construction period is shortened by approximately 35% By opening to traffic one day ahead of schedule, we can save tens of thousands of yuan in management fees and equipment rental costs alone.
The third, and most concealed, over-excavation account.
Under conventional methods, the over-excavation typically amounts to as much as 15-20cm , which means that dozens of cubic meters more of concrete must be sprayed per meter of tunnel. Zhengxun Heavy-duty double-curve-arm rock drilling rig The proprietary adaptive drilling algorithm, combined with hyperbolic-arm spatial positioning, minimizes the out-of‑plane angular error of peripheral holes. Has obtained a relatively large Control Effect , the measured average linear overexcavation is only 8cm . For concrete and backfill alone, each kilometer of tunnel can achieve net savings of 230 Ten thousand yuan—this does not even account for the reductions in transportation and energy‑consumption waste that result.
What about reliability? In continuous… 3000 In the hour-long extreme-condition testing, the failure rate of the core hydraulic components was lower than 0.5 Next / One thousand hours, with equipment availability consistently at 98% The above. This means, Zhengxun Heavy Industry Hyperbolic-Arm Rock Drilling Rig It’s not about saving money on the ledger. “ Theoretical model ” rather, it is a certainty‑driven asset that consistently generates profits.
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Address: Jinrong Tongxin International Industrial Park, Changsha High-tech Zone
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Address: Loudi Avenue, Loudi High-tech Industrial Development Zone, Lianyuan City, Loudi City, Hunan Province
Telephone:400-186-0868
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