通过对抽油杆运动规律的分析并结合简易的几何图形，计算出光杆悬点运动的位移函数，从而得出光杆运动的速度函数和加速度函数，并且通过MATLAB软件给出了位移函数图象，及其与有荷载的附件1的悬点位移数据的比较图。-Through the analysis of the sucker rod motion law and combining the simple geometric shapes, calculate the polished rod suspension point displacement function, calculated the functions and the acceleration of the polished rod motion speed, and displacement function is given by MATLAB software image, and its suspension with a load of attachment 1 point displacement data comparison chart.