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The New Dafang DCY30 Tunnel Material Transport Vehicle Supports the Construction of Duobaoshan Mining
In mid-October, amid the nationwide enthusiasm for the upcoming 20th National Congress, three DCY30 tunnel material transport vehicles independently developed by Xindafang were successfully shipped off to the Xiaoxing’anling region, where they will support the construction of the Duobaoshan Mining Project.
Duobaoshan Mining is located in Nenjiang City, Heilongjiang Province, and boasts abundant associated precious metal resources, including gold, silver, and rhenium, with an estimated economic value exceeding RMB 200 billion. For many years, the Duobaoshan underground deposit has shared common challenges with most nonferrous metal deposits, such as deep orebody burial, significant variations in strike length, and steep dip angles. These geological characteristics not only pose substantial difficulties for mining operations but also place higher demands on the vehicles used within the mine tunnels for transporting materials and personnel.
As a strategic partner and China’s leading manufacturer of tunnel transport vehicles, Xindafang has developed the DCY30 tunnel material transporter specifically for the unique operating conditions at the Duobaoshan Mining Tunnel. This vehicle successfully overcomes three major challenges within the tunnel—a 4.4-kilometer-long haul, a steep grade of ±18%, and an extremely tight turning radius of R50 meters—and will be tasked with transporting mixing tanks, cargo platforms, and personnel cabins.
The DCY30 tunnel material transport vehicle features a narrow, elongated body that enables safe passing on 3.5-meter-wide roadways within tunnels, fully meeting the requirements of confined-tunnel construction. It is capable of operating smoothly on both curved and level surfaces, ensuring reliable performance and safety under long-distance, steep-grade, heavy-load downhill conditions. When coupled with a TBM, it can utilize steering wheels and ultrasonic distance sensors to provide assisted steering. Equipped with hydraulic suspension, the platform height can be adjusted, allowing for simultaneous lifting and lowering of the entire vehicle or independent adjustment of individual suspension units for single-point elevation. In addition, the cab has been reinforced to protect against falling rocks and impacts, providing comprehensive driver safety protection; it is also designed to operate reliably in extreme cold climates, maintaining normal operation even at temperatures as low as −40°C.
We are confident that the structural design, technical features, and operating principles of the DCY30 tunnel material transport vehicle enable it to operate safely, stably, and continuously over the long term in the confined space of a tunnel, while also offering convenient maintenance and inspection, thereby significantly enhancing equipment utilization and construction efficiency.
Leveraging three decades of deep expertise in specialized transportation equipment, Xindafang now boasts mature and industry-leading technologies across its range of transport vehicles, with tunnel-specific models commanding the vast majority of the domestic market share.
Going forward, Xindafang will continue to leverage its technological strengths in mechanical engineering, hydraulics, electrical systems, and intelligent automation. In response to evolving market demands, the company will conduct in-depth research into cutting-edge technologies for tunnel transportation equipment, continuously enhancing its overall capabilities in this field and making greater contributions to tunnel construction both in China and around the world.
Keywords:
Mining, tunneling, haulage vehicles, Baoshan, DCY30, materials, large-scale, achieve, safety
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