Structure and working method of sewage pipeline flaw detection robot

The invention provides a structure and a working method of a sewage pipeline flaw detection robot. Comprising a pretreatment part, a detection part and a conveying pipe. Wherein the pretreatment part mainly comprises a pretreatment trolley, a supporting auxiliary mechanism, an Archimedes bucket and other modules; the detection part mainly comprises a detection trolley, a sealing mechanism, a visible light camera, a water jet cleaning device and other modules. The pretreatment part and the detection part are respectively provided with a power device, and the conveying pipe penetrates through the flaw detection robot. 本发明提供了一种污水管道探伤机器人的结构和工作方法。包括预处理部分、检测部分、输送管。其中所述预处理部分主要包括预处理小车、支撑辅助机构、阿基米德铲斗等模块；所述检测部分主要包括检测小车、密封机构、可见光相机、水射流清洗装置等模块。所述预处理部分和检测部分各自带动力装置，所述输送管贯穿探伤机器人。