The utility model discloses automatic cleaning equipment for porcelain insulator detection. Box body, the cover body is hinged with the top of the box body; the interior of the box body is divided into a cleaning tank, a filtering tank and a water storage tank from top to bottom. A circular placing plate is arranged in the cleaning tank; at least two hydraulic cylinders are mounted at the bottom of the cleaning tank; a telescopic rod of the hydraulic cylinder is fixedly connected with the placing plate; the bottom of the placing plate is mounted on the sealed case; a motor is fixedly mounted in the sealed case; a cleaning roller is coaxially and rotationally mounted at the top of the placing plate; a rotating shaft of the cleaning roller is connected with a motor; a sponge sleeve is detachably mounted on the outer wall of the cleaning roller; the automatic cleaning equipment for porcelain insulator detection is simple in structure and convenient to use, has a cleaning fluid filtering and impurity removing function, improves the utilization rate of cleaning fluid while avoiding secondary pollution of porcelain insulators, saves water resources, and is good in cleaning effect and worthy of popularization.