Suspension type central transmission mud scraper

The utility model discloses a suspension type central transmission mud scraper which comprises a service bridge (9), wherein a deceleration driving mechanism (4) is downwards arranged in the middle of the service bridge (9) in the vertical direction; a transmission vertical shaft (5) with a overload protection device is fixedly connected to the lower part of the deceleration driving mechanism (4); the transmission vertical shaft (5) is used for driving scraping arms (6) which are symmetrically arranged at the bottom of a pool, and a mud collecting tank scraping plate (2) arranged in a mud collecting tank (10) at the bottom of the pool to circumferentially rotate; a steel wire rope of which the length is adjustable is arranged between the transmission vertical shaft (5) and the scraping arms (6). The suspension type central transmission mud scraper disclosed by the utility model is simple in structure, convenient to maintain and manage, stable in operation, and safe and reliable in work, and has the overload protection function. In addition, the length of the steel wire rope is adjustable, so that the excellent overload resistance is achieved, the mud collecting and scraping effect is excellent on the whole, and the moisture content of the discharged mud is low.