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在车载、舰载大中型电子设备的隔振系统设计中,常采用背架式隔振系统(在底部和侧面各装有4只和2只隔振器,图1),或滑柱式背架结构(K_5、K_0的垂直刚度为零,图2)来改善设备的动态稳定性。由于这些系统耦联的自由度较多,其动态稳定性一般较差。本文通过对背架式和滑柱背架式两种隔振系统的动力分析,在研究各耦联自由度之间相互关系的基础上,提出用减少耦联自由度的方法来进行隔振器的设计。
In the vehicle, large and medium-sized shipboard electronic equipment vibration isolation system design, often using the back-rack vibration isolation system (at the bottom and side of each with four and two isolators, Figure 1), or strut back Frame structure (K_5, K_0 vertical stiffness is zero, Figure 2) to improve the dynamic stability of the device. Due to the greater degree of freedom of coupling these systems, their dynamic stability is generally poor. Based on the dynamic analysis of two kinds of vibration isolation systems with back frame and slide back frame, this paper proposes to reduce the coupling degree of freedom on the basis of the study of the relationship between the degrees of freedom of coupling, the design of.