1. Conveying system: coal blocking alarm device, off-tracking alarm device, temperature controller, ultrasonic level detector, belt break alarm, chain break alarm.

(a) drive motor reducer, 

(b) cleaning motor reducer, 

(c) driven drum, (d) active drum,

(e) flame retardant measuring tape (skirt, ring tape), 

(f) idlers (groove idlers, upper groove aligning idlers, lower parallel idlers, lower parallel aligning idlers)

2. Cleaning system

(a) cleaning sprocket                                (b) scraper, chain

3. Chain code calibration device

(a) check chain code                                (b) standard weight

4, Roller

5. Belt scale weighing instrument main board, current and communication accessories