Detection robot for municipal underground pipeline repair construction

The utility model provides a detection robot for municipal underground pipeline repair construction, which comprises a robot main body, the overall appearance of the robot main body is of a polygonal structure, and a plurality of groups of wheel set mounting structures are uniformly distributed outside the polygonal structure; a walking device is mounted on the wheel set mounting structure through a connecting rod mechanism; the walking device is connected with a tensioning mechanism for driving the walking device to unfold; the tensioning mechanism is connected with a telescopic sliding device for driving the tensioning mechanism to be tensioned; one end of the head of the robot body is provided with a camera device used for shooting the internal damage condition of the pipeline. The robot can be used for detecting defects in the municipal pipeline, and then a traditional manual detection process is replaced to adapt to pipelines which cannot be entered through manual detection. 本实用新型提供了市政井下管道修复施工的检测机器人，它包括机