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介绍了液压锤用液控单向阀的工作过程，分析了这种阀在系统中的动力学关系，应用仿真技术得到了这些动态力的理论值，并阐述了设计这种阀的一般规律。
The working process of hydraulic check valve for hydraulic hammer is introduced. The dynamic relationship of this valve in the system is analyzed. The theoretical value of these dynamic forces is obtained by simulation technology. The general rules of designing such valve are also described.