Synchronising system between conveyor and auxiliary devices - has spring loaded linkage for attachment driven by belt

摘要

A constant phase position is maintained between an endless conveyor and a rotary attachment and/or a further conveying device such as a dosing conveyor, the endless conveyor being driven by a stationary mounted driving drum and guided by a movably mounted tail drum tensioned by an elastic support. The endless conveyor has equally spaced brackets or tongues which adjoin the rotary attachment or dosing conveyor synchronously driven by a common drive together with the main conveyor. The driving shafts (9, 15) of the rotary attachment (8) and the dosing conveyor (12) are fitted with a coupling consisting of a sleeve (7) rigidly mounted in the axial direction and an axially movable sleeve (6) both in a support contact with their opposite ends, each with a screw surface of a predetermined pitch. Between the movable bearing block (4) of the tail wheel (3) and the axially movable sleeve (6) of the shaft coupling is an adjustment linkage (5) of a predetermined transmition ratio.