Rotor support and rotor

The invention provides a rotor support and a rotor, and the rotor support comprises an arc-shaped frame body, a permanent magnet assembly disposed on the arc-shaped frame body, and a heat dissipation mechanism disposed between the arc-shaped frame body and the permanent magnet assembly, and the heat dissipation mechanism comprises a heat storage assembly disposed on the arc-shaped frame body, and a heat conduction assembly disposed between the permanent magnet assembly and the heat storage assembly. Wherein the heat conduction assembly comprises a first heat conduction silicone grease layer, a semiconductor heat conduction layer and a second heat conduction silicone grease layer which are stacked in sequence, and the rotor bracket is split into a plurality of arc-shaped bracket bodies, so that on one hand, the integral casting cost of the rotor bracket bodies is reduced, the mold production cost is reduced, and the resource waste rate is increased; and on the other hand, the heat dissipation mechanism is arra