World's first unmanned drainage pipeline sealing robot integrates 3D modeling, desilting, sealing, and real-time airbag pressure monitoring. Fully automated 20‑minute operation eliminates human entry, improving safety by over 90%. Fits DN600–1200mm pipes, works at 10m depth (IP68), with 24*7 monitoring and 4G alerts. Size 980×420×340mm, weight 85kg. Used for maintenance, acceptance testing, and emergency flood control. Deployed in dozens of cities across China.