Motor-adjusting-free water pump blade angle in-service adjusting mechanism

The invention belongs to the technical field of fluid machinery and relates to a mechanical water pump blade angle adjusting mechanism. The mechanical water pump blade angle adjusting mechanism comprises an adjusting mechanism body, an adjusting nut, an adjusting threaded rod and the like. The mechanical water pump blade angle adjusting mechanism is characterized in that a necessary motor specially used for driving the adjusting nut of a traditional device is removed, in addition, by adopting the structure scheme that the adjusting mechanism body and a bearing cover base jointly clamp a bearing shaft shoulder of the adjusting nut, the supporting rigidity of the mechanism is greatly improved, and the transmission path of lifting shaft impact butting force is shortened and optimized. By means of the improvement, on the one hand, the total height size of the mechanism is greatly reduced, and conditions are created for compactly designing the adjusting mechanism; on the other hand, the drive motor is removed, the