GYRATORY CRUSHER ADJUSTING MECHANISMS

摘要

Gyratory crushers, sometimes referred to as cone type crushers, often have a threaded connection between the bowl and the main crusher frame for adjusting the crushing zone by rotation of the bowl relative to the frame. This invention includes a bowl rotating device for such a crusher in which a swingable arm mounted adjacent to the bowl structure is oscillated by an actuator and a double ended pawl pivoted on the end of the swingable arm is utilized to rotate the bowl in either direction depending on which end of the pawl is employed. A spring arrangement is employed to bias the pawl against the bowl structure and a reversing plate connected to the pawl through the spring arrangement sets the pawl for the desired direction of rotation.