The structure ofjaw crusherinnigeria: main frame, eccentric shaft, a large belt pulley,fly wheel,swing jaw, side guard plate, toggle plate, Rear bracket, adjust gap screw, reset spring, and fixedjawandswing jawboard etc., and the toggle plate also plays a role of protection.The motor transmits power through belt and belt pulley, drives theswing jawsurround the eccentric shaft do periodic motion.