The roller wheel tower features a cam-type transmission with two plates fixed to the input shaft, equipped with a mechanism design of parallel conjugate cams. It achieves the function of dividing the output shaft by rotating the roller wheel tower through the rotation of the two cam plates attached to the input shaft, suitable for conveying belts with larger pitches or for intermittent divisions with longer dwell times. Additionally, the three-piece heavy-duty version is more suitable for fast and long-pitch conveyances, and also has a longer dwell time than the two-piece design.