The invention provides a multi-stage energy absorption anti-crash fuel tank supporting structure which comprises a fuel tank containing cavity used for containing a helicopter fuel tank. The bottom energy absorption part is arranged at the bottom of the oil tank accommodating cavity; wherein the bottom energy absorption part is a multi-stage energy absorption part, and the bottom energy absorption part is used for absorbing energy of the helicopter in the crash process; according to the multi-stage energy absorption anti-crash oil tank supporting structure provided by the invention, in combination with an anti-crash design, a bottom supporting structure with more assembly relations in the oil tank supporting structure adopts a composite material integrated design, and a bottom supporting frame beam is designed into a composite material co-curing structure; and the multi-stage energy-absorbing anti-crash structure is formed by connecting with the skin thick honeycomb structure, so that the high-efficiency anti-crash function of the oil tank supporting structure is realized, and the high survival rate requirement of a modern helicopter is met.
本申请提供的一种多级吸能抗坠毁油箱支撑结构,所述支撑结构包括:油箱容纳腔,用于容纳直升机油箱;底部吸能部件,设置在所述油箱容纳腔的底部;其中,所述底部吸能部件为多级吸能部件,所述底部吸能部件用于吸收直升机在坠毁过程中的能量;本申请提供的一种多级吸能抗坠毁油箱支撑结构,结合抗坠毁设计,通过将油箱支撑结构中装配关系较多的底部支撑结构采用复合材料整体化设计,将底部支撑框梁设计为一个复合材料共固化结构,并与蒙皮厚蜂窝结构连接形成多级吸能抗坠毁结构,从而实现油箱支撑结构的高效率抗坠毁功能,满足现代直升机的高生存率要求。
Multi-stage energy absorption anti-crash oil tank supporting structure
一种多级吸能抗坠毁油箱支撑结构
2023-03-07
Patent
Electronic Resource
Chinese
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |
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