en.Wedoany.com Reported - The Guoneng Baorixile Open-Pit Coal Mine, under China Energy Investment Corporation, has deployed high-powered 5G remote-controlled bulldozers. The deployment targets the harsh operating conditions inherent in mining, such as extreme cold, dust, and vibration, as well as the safety risks posed by traditional machinery operation. The equipment is primarily tasked with stripping rock and coal seams, constructing waste disposal sites, and road maintenance at the open-pit mine. Its remote operation capability allows operators to stay away from hazardous environments, aligning with the requirements for a safe, green, efficient, intelligent, and collaborative smart safety system tailored for open-pit coal mines.
The 5G remote-controlled bulldozer at the Baorixile Open-Pit Coal Mine is built upon the SD90-5E mining bulldozer platform. It leverages 5G network connectivity and employs a holographic optical-acoustic-force intelligent system for remote operation. The equipment features a holographic, glasses-free 3D remote intelligent cockpit. It utilizes four 4D light-field sensors installed facing forward and mounted on the left and right sides of the vehicle's roof to achieve real-time perception and signal capture of the surrounding environment. The original resolution of the 4D light-field intelligent system installed on the bulldozer is no less than 12 megapixels, with vertical angular resolution no lower than 0.1° and horizontal angular resolution no lower than 0.07°. Concurrently, the equipment is designed with an onsite-level sound field perception system: employing multiple microphones on the vehicle end for 360-degree sound field pickup and featuring a feedback system in the intelligent cockpit that incorporates force feedback information. In terms of safety control, the bulldozer's overall machine controller actively monitors vehicle posture, obstacle distance, communication status, machine faults, and panoramic imaging. If collected data exceeds configured ranges, an alarm is triggered or safety strategies such as speed reduction and shutdown are executed.
From an economic perspective, calculated based on an average annual salary of 150,000 yuan per person, deploying the „one cockpit controls multiple machines“ technological retrofit for every three bulldozers allows for a reduction of two crews, totaling eight operators. This is estimated to yield over 1.2 million yuan in annual labor cost savings. Furthermore, the technology can shorten shift changeover and equipment mobilization times and support uninterrupted operations during extreme weather. It is estimated that these three bulldozers can collectively augment their annual spoil dumping capacity by more than 1.4 million tons. Additionally, there is potential for annual fuel cost savings exceeding 1.2 million yuan and reductions in equipment wear-and-tear expenses over 2 million yuan. As for personnel management, remote operators are centralized in a control center for unified work. The operational modes here, combining „one controller for multiple machines“ and „free manual/remote control switching,“ are considered conducive to reducing the driver count and enhancing the fleet's scheduling efficiency.
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