Crankshaft decoupling shock absorber assembly

The utility model discloses a crankshaft decoupling shock absorber assembly which comprises a core shaft (30), the core shaft (30) is fixed with a transmission shaft (1), the outer surface of the core shaft (30) is connected with a shock absorption spring (60) and two decoupling springs, and an outer boss of the core shaft (30) can limit the shock absorption spring (60) to move rightwards; the damper spring (60) is internally connected with the mandrel (30) and externally connected with an inertia ring; the inertia ring is internally connected with the damping spring and externally connected with the damping ring, and a boss (23) in the inertia ring can limit the damping spring to move rightwards; the left decoupling spring (40) and the right decoupling spring (50) are internally connected with the core shaft (30) and externally connected with the belt wheel (10); the belt wheel (10) is internally connected with a decoupling spring and a damping ring; and the damping ring (70) is externally connected with the