The invention belongs to the technical field of airplane wing strength design, and particularly relates to a tension-shear composite connection variable stiffness sealing structure and an optimization method, the tension-shear composite connection variable stiffness sealing structure comprises a sealing structure, a groove-shaped band plate (3) and a supporting structure; the supporting structure comprises a plurality of supporting partition plates (1) distributed in the spanwise direction, a groove-shaped band plate (3) is connected with the tail ends of the supporting partition plates (1) in the spanwise direction, the groove-shaped band plate (3) and the supporting partition plates (1) form a frame type structure, the groove-shaped band plate (3) comprises a bottom plate and a vertical plate, and the bottom plate is connected with the supporting partition plates (1); the vertical plate is perpendicular to the bottom plate; the sealing structure comprises a sealing plate (4) and a vertical rib (41), the sealing plate (4) is divided into a front fixed section and a rear cantilever section, and the vertical rib (41) is located between the fixed section and the cantilever section; the fixed section is fixedly connected with a bottom plate of the groove-shaped band plate (3), the vertical rib (41) is fixedly connected with a vertical plate of the groove-shaped band plate (3), and the cantilever section of the sealing structure is in lap joint with the control plane (2).
本申请属于飞机机翼强度设计技术领域,特别涉及一种拉剪复合连接的变刚度封严结构及优化方法,包括:封严结构、槽型带板(3)及支撑结构;支撑结构包括多个沿展向分布的支撑隔板(1),槽型带板(3)沿展向连接多个支撑隔板(1)的末端,与支撑隔板(1)形成框式结构,槽型带板(3)包括底板与竖板,所述底板与支撑隔板(1)连接;所述竖板垂直于底板;封严结构,包括封严板(4)以及立筋(41),封严板(4)分为前段的固定段与后段的悬臂段,立筋(41)位于固定段与悬臂区之间;所述固定段与槽型带板(3)的底板固定连接,立筋(41)与槽型带板(3)的竖板固定连接,封严结构的悬臂段与舵面(2)搭接。
Tension-shear composite connection variable stiffness sealing structure and optimization method
一种拉剪复合连接的变刚度封严结构及优化方法
2025-02-14
Patent
Electronic Resource
Chinese
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