Clarifying barrel capable of adjusting height of mud rake

The utility model discloses a clarifying barrel capable of adjusting the height of a mud rake, and relates to the technical field of stirring shafts. A clarifying barrel capable of adjusting the height of a mud rake comprises the mud rake, a power structure, a stirring spindle, an adjusting rod, a support and adjusting nuts, the adjusting nuts are distributed on the support and are in threaded connection with the upper portion of the adjusting rod, a notch connected with the spindle is formed in the lower end of the adjusting rod, and linear semicircular grooves are symmetrically formed in the two inner side walls of the notch respectively. An annular semicircular groove is formed in the side wall of the upper portion of the main shaft, the annular semicircular groove and the linear semicircular groove are the same in radius and jointly spliced into a circular limiting groove, a shaft pin is inserted into the circular limiting groove, and the main shaft is hung on the lower portion of the adjusting rod throug