The drone is "medical examination" in Jiangxi Expressway, and the tunnel inspection robot is inspected in the tunnel.

Recently, in jiaojialing tunnel of Jiangxi Jingying section of Jinan Guangzhou expressway, a new modern intelligent equipment for tunnel operation and maintenance management - "tunnel inspection robot" is conducting inspection on the fixed track of the tunnel at a controllable speed of 1km / H ~ 30km / h. The equipment is jointly developed by Shangrao management center of Jiangxi Expressway Group and Fangxing technology company, which can realize intelligent tunnel inspection. In case of emergency in the tunnel, the on-site audio and video information, environmental parameters and other data will be collected at the first time, and the alarm will be sent automatically. It can also be used for video auxiliary confirmation of the operating conditions of important facilities and equipment in the tunnel, so as to reduce the frequency of manual daily inspection. UAV is the "physical examination" of Jiangxi expressway. It is understood that Jiangxi Province has 5265 kilometers of expressway mileage, 4684 bridges and 172 tunnels. Jiangxi Expressway Group has innovated and developed more than 20 practical equipment and maintenance methods for bridge and tunnel maintenance, so as to improve the "appearance" of the expressway while improving the quality of road management and maintenance. Among them, the bridge drain hole filter modified and developed by Yichun Management Center - "filter fast" is being popularized. The equipment is made of stainless steel with a length of 50cm and a width of 18cm, and is equipped with two waste storage drawer boxes. The "filter fast" is embedded into the bridge deck through manual slotting to increase the area of the bridge drain hole. At the same time, the drawer boxes are used to store the waste on the bridge deck, Lifting the filter can directly remove the garbage and achieve the effect of quick dredging and cleaning in one minute. At the same time, Ganzhou management center uses UAV to cover the "blind area" that cannot be detected by existing equipment, finds hidden defects and hidden dangers of bridges through UAV, greatly reduces the rental cost of large equipment, alleviates the intensity of manual inspection and improves the maintenance and inspection work. Shangrao management center adopts nano resin polymerized multi-functional new materials to paint the bridge anti-collision wall, which better solves the problems of short service cycle and easy peeling, corrosion and rust of traditional materials, and effectively prolongs the service life of the anti-collision wall. Responsible editor: GT, read the full text

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