Composite material rear plate spring assembly and balanced suspension

The utility model discloses a composite material rear plate spring assembly and a balanced suspension, and relates to the technical field of automobile suspension systems, the composite material rear plate spring assembly comprises a plate spring body formed by processing a fiber reinforced material and thermosetting resin; the first reinforcing assembly comprises an upper metal U-shaped plate and a lower metal U-shaped plate, and the upper metal U-shaped plate and the lower metal U-shaped plate surround the middle section of the plate spring body; rubber flat gaskets are arranged between the upper metal U-shaped plate and the upper surface of the plate spring body and between the lower metal U-shaped plate and the lower surface of the plate spring body; the side plates of the upper metal U-shaped plate and the lower metal U-shaped plate are provided with matched concave-convex limiting structures; the two second reinforcing assemblies are arranged at the two ends of the plate spring body, each second reinfor