Crushing apparatus for use in crushing e.g. rock, stone, has variable displacement hydraulic motor that operates at arbitrary displacement setting based on position of selector to adjust position of bowl

摘要

A variable displacement hydraulic motor (9) is coupled to a selector (4), such that the motor operates at a predetermined displacement setting according to the position of the selector to adjust the position of a bowl (46) with respect to the head (44) of a frame (12). Independent claims are also included for the following: (a) a cone crusher; (b) a cone crusher adjustment mechanism; (c) and a bowl position adjusting method in conical crushing system.