While Cone Crusher working, the rotation of motor winds one regular place and fastens sports of putting by belt pulley or shaft coupling, drive shaft and cone being under the compelling movement, and then make the broken taper's broken wall close and leave the firm white wall surface sometimes, make ore assault constantly broken, pinch and crooked function and then to make ore broken. When there are nobreak matters or overloads for a certain reason, spring insurance system will be used by itself, the arrange ore mouth will be increase, unusual matter will be discharged from broken, if unusual matter block,