The PY spring cone crusher body cast steel structure, heavy parts of the high stress point settings to strengthen tendons. The driven shaft is equipped with tapered roller bearings at both ends, and the power driven by the pinion. The bearing seat adopts entire sealing type to prevent oil leakage. Dust-proof ring floats by spring which is placed in the spherical seat, and can adjust in the working process. This type cone crusher uses a set of external system including pumps, oil tank, and pipeline lubrication. The crusher will turn off itself when the oil temperature is too high or flow rate is too slow. It provides a ""spring"" over the release of iron to protect.