缓冲技术是超高压液压缸中的重要技术,缓冲性能直接影响到用户对主机的评价。通过介绍超高压液压缸的工作原理,并根据相应的流体力学知识对液压缸缓冲区的性能进行了推导,给出了液压缸最大缓冲压力与缓冲时间的数学模型,之后分析得到了节流孔尺寸对液压缸最大缓冲压力和缓冲时间的影响,验证了超高压液压缸缓冲性能建模的可行性,也对液压缸缓冲装置的设计提供了指导作用。 Buffer technology is an important technology in EHV hydraulic cylinder, the buffer performance directly affects the user’s evaluation of the host. By introducing the working principle of the UHV hydraulic cylinder and deducing the performance of the hydraulic cylinder buffer according to the corresponding knowledge of fluid mechanics, a mathematical model of the maximum buffer pressure and the buffer time of the hydraulic cylinder is given. After that, the throttle orifice The influence of the size on the maximum buffer pressure and the buffer time of the hydraulic cylinder verifies the feasibility of modeling the buffer performance of the hydraulic cylinder and also provides a guide for the design of the hydraulic cylinder buffer.