The dynamic response of the cam mechanism fan-out was found with the rule of sinusoid acceleration, and these establish the foundation of the design of the cam contour line, and provide a fire-new idea for the research of the mortar pump. 通过正弦加速度运动规律得到了凸轮机构输出端的动态响应,为凸轮廓线的没计-奠定了基础,为砂浆泵的研究提供了崭新的思路。