主要介绍机械可靠的发展概况及科技馆展品展项的特点与现状,并以科技馆展品展项机械结构为研究对象进行了可靠性设计。在设计过程中,主要从机械结构零部件标准化、耐环境设计、承受破坏性操作设计和预防故障设计四个方面对展品机械结构的可靠性设计进行探讨。 Mainly introduces the development of reliable machinery and science and technology museum exhibit exhibits the characteristics and status quo, and science and technology museum exhibit mechanical structure for the study of reliability design. In the process of design, the reliability design of the mechanical structure of the exhibits is mainly discussed from the aspects of standardization of mechanical structure components, environmental resistance design, destructive operation design and fault prevention design.