In the past, identifying issues in sewer pipes was a tedious and risky process. Workers would either descend into manholes or "tap on the belly" of the road above the pipeline to detect blockages, which was both time-consuming and inefficient. Recently, the Municipal Engineering Maintenance Management Office introduced a groundbreaking solution: the Schroeder CCTV pipeline inspection robot. This technology allows for a "gastroscopy" of the sewer system, enabling precise diagnosis and targeted repairs based on real-time data.
On the morning of the operation, reporters observed a van parked near a manhole. Workers were setting up warning signs, laying out hoses, and carefully opening the cover. A small, agile robot was then lowered into the pipe. Within minutes, the team controlled the robot via a computer, and the screen displayed clear images of the inside of the pipeline. At a point one meter from the right side of the manhole, the robot detected a severe blockage caused by accumulated mud, which was preventing normal drainage.
Based on this information, the on-site supervisor directed a suction truck to remove the debris, followed by a high-pressure cleaning vehicle to flush out the obstruction. This method not only saved time but also ensured that the problem was addressed efficiently without unnecessary disruption.
"The underground pipeline is narrow and filled with harmful gases, posing serious risks to workers who enter manually," explained a staff member from the Municipal Maintenance Management Office. "With this robot, we can accurately locate the issue and perform targeted repairs, eliminating the need for large-scale excavation. This significantly reduces the risk to our personnel and minimizes the impact on traffic and public life."
The use of such robots has greatly improved operational efficiency. In cases of severe damage or collapse, the robot provides detailed visual data, allowing engineers to develop more accurate and effective repair plans. It not only reduces the workload for maintenance teams but also helps save resources by avoiding unnecessary digging and long-term disruptions. As cities continue to grow, adopting such advanced technologies becomes essential for maintaining efficient and safe urban infrastructure.
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