An asphalt pavement automatic crack pouring machine and a method for using the same

CN122446604APending Publication Date: 2026-07-24南京理工大学紫金学院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
南京理工大学紫金学院
Filing Date
2026-05-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing methods for treating cracks in asphalt pavements suffer from low construction efficiency, poor precision, high safety risks, serious pollution, lack of intelligent control, and unstable crack filling quality. In particular, there is a lack of efficient and intelligent systems for crack detection, path planning, CNC cutting, synchronous cleaning, and precise crack filling in asphalt pavement scenarios.

Method used

The automated asphalt pavement crack sealing machine integrates sensor modules, computer systems, optimal path planning modules, integrated adsorption and cleaning devices, grooving mechanisms, crack sealing mechanisms, and insulation systems to achieve automatic crack identification, precise path planning, simultaneous cleaning and crack sealing operations. Combined with AI algorithms and robotic arm control, it ensures efficient and accurate crack sealing operations.

Benefits of technology

It significantly improves construction efficiency, increases precision, reduces material consumption, enhances safety, adapts to complex working conditions, supports digital management, reduces transportation costs, and achieves full-process automation and high-precision crack sealing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses an automatic asphalt pavement crack pouring machine and a use method thereof, and belongs to the technical field of road maintenance equipment, and comprises a sensor module and a computer system, wherein the computer system comprises a high-definition camera, a laser radar sensor and a computer with an AI algorithm model built-in, is used for collecting road surface images and three-dimensional topographic data in real time, realizes automatic crack identification, positioning and form analysis, and generates a digital crack map, and an optimal path planning module adopts a permutation and combination algorithm based on a tree structure to list all possible crack access sequences, and constructs a weighted path graph in combination with start point and crack end point coordinates. The application can realize automatic and continuous operation, so that the single-day crack pouring capacity is improved to several thousand meters, which is several times of that of traditional manual operation, construction efficiency is greatly improved, the AI recognition accuracy reaches 0.1mm level, the crack width error is extremely small, crack filling fullness is greatly improved, and operation accuracy is significantly improved.
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