The driving type scraper suction machine is widely used for sludge scraping and suction in horizontal sedimentation tanks. This scraper suction machine has a compact structure, reliable operation, and is equipped with automatic control and overload protection system. The scraper suction machine with a track spacing of less than 4 meters adopts centralized drive in the middle. When the distance is more than 6 meters, synchronous drive is used at both ends.