本文第一部分以表格形式展示了苏美中大口径榴弹机械着发引信发展概况。第二部分对苏美引信的安全性、安全性与发火率的关系、引信装定选择性、解除保险方式、口螺、通用化设计、对瞬发灵敏度的认识、提高瞬发度的途径、远距离解除保险和远解方式、弹道抗章动安全性、密封性、工艺性等十二个方面进行了设计思想分析,并对主要性能做了对比,第三部分则提出了我国引信设计中可借鉴的六点意见。 The first part of this paper presents a summary of the development of large-caliber grenade mechanical fuze in the Soviet Union and the United States in tabular form. The second part analyzes the relationship between the safety and safety of fuze and the rate of fuze in the Soviet Union and the United States, the selection of fuze, the method of removing the insurance, the snail, the universal design, the understanding of the instantaneous sensitivity, Long-distance disengagement insurance and the solution to the problem, anti-captive ballistic anti-chapter security, sealing, process, etc. 12 aspects of the design thinking and made a comparison of the main performance, the third part of the proposed fuze design Six points to learn from.