The types and operating principle of the hydraulic clamp are briefly described, and the structural and parametric designs of the single jaw, normally closed compound hydraulic clamp are detailed.

• 简述了液压夹持器的类型及其工作原理，并对单卡瓦动作常闭型复合式液压夹持器的结构设计和参数设计作了详细的介绍。