Turbine flowmeter with axial magnetic suspension structure

The invention discloses a turbine flowmeter with an axial magnetic suspension structure, and the turbine flowmeter comprises a housing which comprises a fluid inlet and a fluid outlet at the left end and the right end, and the fluid inlet is internally provided with a front diversion trench; the circulation cavity is located in the shell, the circulation cavity is provided with a turbine structure close to the front flow guide groove, the turbine structure comprises an impeller, a rotating main shaft with one end penetrating through the center of the impeller and a radial positioning support extending to the inner wall of the circulation cavity from the rotating main shaft, and the end, close to the impeller, of the rotating main shaft penetrates through the first bearing to be positioned at the inlet end of the positioning support; the other end of the rotating spindle penetrates through the second bearing and is fixedly connected with first magnetic steel, second magnetic steel is arranged at the outlet end