Drone sortie! Gansu Province ushered in unmanned highway construction for the first time!

April day in the world, the construction season is good. Recently, at the construction site of the asphalt surface course of the second standard project of Gansu Road and Bridge Anlin Pavement, Sany's unmanned paving machine group is carrying out asphalt paving and compaction operations in an orderly manner, which is also the first appearance of Sany's unmanned paving machine group in Gansu Province highway pavement construction project.

The Sany unmanned paver group that helped the construction of the Anlin Expressway project includes a SAP130C-10 high-grade asphalt paver, two SPR300C-8 rubber tyre rollers and three STR130C-8 tandem rollers, a total of 6 unmanned paving equipment, which successfully completed the paving, initial pressure, recompression and final pressing operations of asphalt pavement.

Through intelligent technologies such as unmanned driving technology, 3D automatic paving technology, intelligent compaction technology, collaborative scheduling technology and visualization technology, Sany unmanned paving machine group is operated by Beidou satellite positioning and navigation, according to the pre-set paving speed, running trajectory, rolling speed, rolling times, lap width, etc., and the system adjusts the construction parameters in real time according to the site conditions, which not only realizes the fine control of high-grade pavement construction, but also ensures the quality of road paving.

The relevant person in charge of the project said that the choice of Sany Heavy Industry's unmanned amortization equipment is based on the trust in Sanyi Road Machinery products, and also based on the comprehensive consideration of using digital technology to improve the quality and efficiency of pavement construction. The smooth construction of the unmanned paving machine group in the Anlin high-speed project has been well received by the construction party and the owner, and the four key technologies have helped the unmanned paving machine group to build perfectly.

1. Convert the design route parameters into an electronic map in advance, complete the digitization of the construction environment and construction tasks, and realize the digital modeling of the construction process.

2. According to the optimal path generated by the precision algorithm, the real-time status of the fleet and the construction progress, the real-time dynamic collaborative scheduling of the fleet is realized.

3. Through the automatic control algorithm of the paver, the high-precision tracking of the operation path, and the 3D paving system are used to realize the automatic high-quality paving operation of the paver.

Fourth, under the high-precision track tracking and optimal path setting, through the automatic control of the program, under the condition of ensuring safety, the standardized compaction operation is realized.

Through the above whole-process data collaboration, let:droneThe operation accuracy of the group is effectively controlled within 5cm, which greatly improves the pavement flatness and construction efficiency.

Since its debut in Shanghai in 2019, Sany unmanned paving machine group has achieved intelligent obstacle avoidance through continuous technological innovation, and through standardized operations, the construction quality is good, the efficiency is high, and the road surface flatness and compactness fully meet the requirements of construction design standards, and also avoids the problems of leakage, overpressure, undervoltage, and overspeed that may be caused by manual operation, and can achieve 24-hour uninterrupted operation while reducing labor, which is the most direct embodiment of safe construction, intelligent construction, improving construction efficiency and saving costs.

Intelligent construction technology is a cutting-edge technology that promotes subversive changes in the production mode of the transportation construction industry. With the development of artificial intelligence, autonomous driving and other technologies, automated and unmanned road construction has become the general trend. The Sany unmanned paving machine group successfully helped the intelligent construction of asphalt surface layer of Gansu Road and Bridge Anlin Pavement No. 2 Project, which is of great significance for the high-quality construction of pavement engineering in Gansu Province.

At present, Sany unmanned intelligent aircraft group is "conquering the whole country", covering 15 provinces across the country, and participating in the construction of nearly 30 national key projects such as Shenhai Expressway, Beijing-Taiwan Expressway, and Luyong Expressway, which have been highly recognized. In the future, Sany will continue to carry out technological innovation in the field of intelligent and electrification of pavement construction, overcome difficulties, update and iterate, lead the high-quality development of the industry, and contribute to China's "intelligent" manufacturing!