Magnetic control rare earth permanent magnet synchronous motor rotor support and rotating shaft

The invention discloses a magnetic control rare earth permanent magnet synchronous motor rotor support and a rotating shaft. The magnetic control rare earth permanent magnet synchronous motor rotor support comprises a shell, the shell comprises a containing cavity, the shell comprises a first mounting part and a second mounting part, the first mounting part and the second mounting part correspondto the two opposite ends of the shell respectively, a first connecting hole and a second connecting hole which are connected with the containing cavity are formed in the first mounting part and the second mounting part respectively, and the rotating shaft penetrates through the first connecting hole and the second connecting hole respectively and is connected with the shell; the first mounting part comprises inwards-concave installation grooves which are evenly distributed in the axial direction of the shell, a first inner flange is arranged at the position, close to the installation grooves,of the shell, a second inn