本代码详细的讲述了平面四连杆机构的运动学仿真，包括对连杆的加速度、位移及速度图像分析！-The code detailed story of the plane kinematics simulation of the four-bar linkage, including acceleration, displacement and speed of the link image analysis!

将抽油机简化为4连杆机构，仿真出悬点的位移、速度、加速度、扭矩因数、游梁转角等参数，并绘出图形-The pumping unit is simplified to 4 link mechanism, and the simulation of the displacement, speed, acceleration, torque factor, You Liang angle and other parameters of the suspension point, and draw gra