In this article,the mathematical model of its mechanism is devloped,and then ,according to the technological requirements,its locus spectra and kinematical characteristics are analyzed.

• 本文分析其机构组成、动作原理，建立了数学模型；然后根据工艺要求从轨迹图谱、运动学特性等方面分析了机构的特性，为设备的操作、维护提供了依据。