A crusher for crushing of material to be crushed, as well as a method for operating a crusher

摘要

The invention comprises a crusher 2 for the comminution of material to be crushed 26 comprising a housing, a with the housing, that is connected to first stationary crushing element 4, a second relative to the first crushing element 4 movable crushing element 6 and a hydraulic device 28 for setting a crushing nip would lead 12 between the first crushing element 4 and the second crushing element 6. the hydraulic device 28 has at least one hydraulic cylinder 16 and a in the cylinder 16 arranged pistons 30 with a piston rod 32, wherein the hydraulic device 28 with the movable crushing element 6 and the housing in a communication. The piston rod 32 also has a means 18 for limiting the movement of the piston 30 in the cylinder 16 in the direction of the movable crushing element 6 on.Additionally, the invention includes a method for operating a crusher 2 according to any one of the preceding claims, in particular for the insertion of a crushing nip would lead 12 of a crusher 2, comprising the steps of:Movement of the piston 30 of the at least one cylinder 16 in a predetermined position of the pistonMovement of the means 18 on the piston rod 32 in the direction of the cylinder 16, to the means in such a way in connection with the cylinder 16 is that there is a movement of the piston 32 in the direction of the movable crushing element 6 prevents