The invention relates to an integrated cabin section local thermal protection structure which comprises a heat-proof baffle, a heat-proof layer and a connecting structure, the heat-proof layer is arranged on the periphery of the heat-proof baffle in a surrounding mode, the heat-proof layer and the heat-proof baffle are in lap joint in a staggered mode, the heat-proof layer and the heat-proof baffle are jointly cured and formed, and the density of the heat-proof baffle is larger than that of the heat-proof layer; the connecting structure is installed on the heat-proof baffle and used for being installed on a cabin section force-bearing shell. The high-density heat-proof baffles are arranged in the protection structure, so that the heat-proof baffles have high ablation resistance and scouring resistance, meanwhile, the heat-proof baffles and the heat-proof layers on the periphery are overlapped in a staggered mode and jointly cured and formed, the joints of the heat-proof baffles and the heat-proof layers have high scouring resistance, the integrity is high after curing, and the service life of the heat-proof baffles and the heat-proof layers is prolonged. And the density of the heat-proof layer is smaller than that of the heat-proof baffle, so that the weight of the whole integrated cabin section local heat protection structure is reduced, and the technical problems that in the related technology, the overall weight of the whole cabin section heat protection structure is large, and the lightweight requirement cannot be met are solved.
本申请涉及一种一体化舱段局部热防护结构,其包括:防热挡板、防热层和连接结构,防热层围设于防热挡板的四周,防热层与防热挡板交错搭接,且防热层与防热挡板共同固化成型,防热挡板的密度大于防热层的密度;连接结构安装于防热挡板,且连接结构用于安装至舱段承力壳体。通过在防护结构中设置高密度的防热挡板,使防热挡板具有高抗烧蚀和抗冲刷能力,同时防热挡板与四周的防热层交错搭接共同固化成型,使防热挡板与防热层的连接处具有较强的抗冲刷能力,固化后整体性强,并且防热层的密度小于防热挡板的密度,降低整个一体化舱段局部热防护结构的重量,解决了相关技术中整个舱段热防护结构的总体重量较重,不满足轻量化要求的技术问题。
Integrated cabin section local thermal protection structure, aircraft and machining method
一种一体化舱段局部热防护结构、飞行器及加工方法
24.05.2024
Patent
Elektronische Ressource
Chinesisch
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