Three records! The Beijing-Harbin Expressway Sany unmanned paving machine group has been under continuous construction for more than 480 hours

On the morning of June 18, the construction site of the eighth contract section of the reconstruction and expansion project of the Suizhong to Panjin section of the Beijing-Harbin Expressway was crowded, and more than 300 experts, scholars and industry representatives from the field of transportation construction across the country gathered here to observe the live operation of the Sany unmanned paving machine group. This observation meeting not only showed the breakthrough achievements in the field of intelligent construction machinery in China, but also provided a fresh sample for the future development direction of infrastructure construction.

Three industry records!

Sany unmanned amortization machine group has set a record in this project:

The largest scale:2 stalls and 10 pressures are fully unmanned to realize the continuous construction of the full thickness of asphalt pavement (3 layers);

The longest time:It has set a record of more than 480 hours (more than 20 days) of intelligent single 24-hour continuous asphalt construction;

The widest of the widest:The unmanned twin machine is paved with a road width of 25.25 meters (refreshing the unmanned construction record of 19.25 meters wide in the Beijing-Hong Kong-Macao Expressway in 2024).droneThe maximum width of the paving in the group field. As the first of the "seven shots" of the national expressway network, the reconstruction and expansion project of the Suizhong to Panjin section of the Beijing-Harbin Expressway can be called the "textbook of complex working conditions of China's expressway", which is mainly reflected in the characteristics of complex construction environment and precise process connection. In the face of the challenges of tight construction period and heavy tasks, Sany unmanned paving machine group cleverly solves the pain points of traditional construction with the intelligent operation mode of "24-hour continuous construction".

Steel Behemoth's "centimeter-level" precise collaboration

At the construction site of the K496-K497 section of the road, an unmanned fleet of 2 pavers and 10 rollers is like an elegant mechanical dancer, carrying out road construction work efficiently and accurately. Through the deep integration of Beidou's high-precision positioning and intelligent scheduling algorithm, the accuracy of the fleet operation reaches the "centimeter level". In the face of the construction challenge of the 25.25-meter ultra-wide pavement, all the equipment starts and stops slowly, and travels at a constant speed, which can avoid the quality risk caused by human error. According to the person in charge of the project, the fleet has been operating for more than 50 days, and the road construction mileage has been completed by nearly 90 kilometers, which is 20% more efficient than the traditional construction efficiency and 60% less labor input.

Authoritative co-learning: the new paradigm of intelligent manufacturing establishes the industry benchmark

In the afternoon of the same day, the UAV swarm symposium was a complete success. Mr. Sun Wei, General Manager of Sanyi Road Machinery Marketing Company, said: "The practice of Beijing-Harbin Expressway has verified the reliability and universality of unmanned construction under complex working conditions. Subsequently, representatives of China Railway First Bureau, Liaoning Communications Investment Construction Management Company and Liaoning Provincial Highway Society delivered speeches respectively, highly recognizing the construction performance of the fleet. Dr. Huang Zichao, vice president of Sany Zhilu Science and Technology Research Institute, deeply interpreted the principle of unmanned amortization technology, which was widely praised; Combined with the construction practice, China Railway First Bureau praised the reliability of the machine group and looked forward to the development prospect of intelligent road machinery. The atmosphere of the on-site exchange and Q&A session was warm, and the overall feedback was positive, and the experts at the meeting agreed that the technology set a new benchmark for intelligent construction for the industry.

The deep meaning behind the efficiency revolution

For the Beijing-Harbin Expressway Reconstruction and Expansion Project, the value of Sany's unmanned technology is far more than the "speed-up" of construction. The pavement project, which was originally scheduled to be completed on July 31, is expected to be completed on June 25, providing a buffer period of nearly 40 days for the subsequent installation of traffic safety facilities. At the same time, unmanned construction has greatly reduced the number of construction personnel in high-risk environments, and successfully achieved the safety goal of "zero accidents". From the perspective of the industry, this is a leap from manual experience-driven to single-machine automation, and then to multi-machine collaborative intelligence. As the experts of the on-site observation meeting commented: "Sany unmanned aircraft fleet not only redefines the efficiency of highway construction, but also verifies the technical adaptability of China's equipment manufacturing in complex scenarios, and provides a replicable intelligent solution for the infrastructure output of the 'Belt and Road'." ”

Paying tribute to the dream of building a strong country with innovation

When Sany unmanned paving machine group draws a new chapter of smart construction on the Beijing-Harbin Expressway, this technological revolution from "Made in China" to "Made in China" is injecting strong momentum into the construction of transportation infrastructure in China and even the world. As Mr. Sun Zuo, general manager of Sanyi Road Machinery Marketing Company, said: "What we develop is not only equipment, but also in-depth thinking about the harmonious coexistence of 'man, machine and road'. In the wave of global infrastructure intelligence, China's plan is ready to go. ”