Central driving thickener rake speed measuring device

The utility model discloses a rake speed measuring device of a central driving thickener, which solves the problem that the existing device is difficult to meet the requirements of real-time monitoring and remote operation, and is characterized by comprising a transmission box cover, screws, an observation hole cover, bolts, a slewing bearing and a rotating frame, and the observation hole cover isconnected with the transmission box cover through the screws. A slewing bearing outer ring is connected with a rotating frame through a bolt, a transverse plate with a hole in the middle is arrangedbetween screws, a support is arranged on the lower surface of the transverse plate, and a proximity switch with rotating threads is fixed to the support. The proximity switch is arranged over the bolt, the protective sleeve is arranged on the upper surface of the transverse plate, the PLC connecting line penetrates through the middle of the protective sleeve, and one end of the PLC connecting lineis connected with the prox