CRUSHING ROLL DEVICE

摘要

PURPOSE: To provide a crushing roll device in which a timing belt of a differential transmission mechanism can be easily detached and a completed module roll pack can be detached from a main body frame and can be attached thereto in a short time. CONSTITUTION: A tension arm 17 of one side among a pair of tension arms is provided with a shaft bearing notched part 25 which releases a shaft bearing of one side of an idle pulley 16 by rotating only the tension arm 17 around a point of support 46 at a tension arm upper end side.