Newly developed three ring gear reducer is comprised of synchronous belt, big and small pulleys, crankshaft, drive ring plate, output shaft, external gear and case.

• 设计的新型三环减速器主要由圆弧齿同步齿形带、小带轮、大带轮、曲柄轴、传动环板、输出轴、外齿轮和箱体等组成。