一种内凹式起落架舱门结构及开启方法
By designing a concave landing gear door structure and adopting a pyrotechnic drive and translation-rotation slide rail mechanism, the problems of small installation space and easy interference of concave doors in hypersonic aircraft have been solved, and the door has been able to be stably deployed and reused with high reliability.
CN117682061BActive Publication Date: 2026-07-17AERONAUTICS RES INST OF CHINA
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AERONAUTICS RES INST OF CHINA
- Filing Date
- 2023-11-23
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies cannot effectively solve the problems of limited installation space and easy interference in the concave door structure of hypersonic aircraft, and traditional hydraulic actuation systems are not suitable for repeated use.
Method used
Design a concave landing gear door structure, using pyrotechnic drive and translation-rotation slide rail mechanism, eliminating the hydraulic actuation system, and using torsion springs as the driving force to realize the opening and closing of the door.
Benefits of technology
It achieves stable hatch opening in confined spaces, avoids interference, has a simple structure, saves installation space, and is suitable for repeated use.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN117682061B_ABST
Abstract
本发明属于飞机舱门结构技术领域，涉及一种内凹式起落架舱门结构及开启方法。内凹式起落架舱门结构安装在舱体(7)上，包括左舱门(6)、右舱门(9)、2个上展开机构、2个下展开机构、4个上位锁火工品(5)、2个弹簧销下位锁(1)；本发明通过扭簧作为舱门展开的驱动力，替代了传统舱门液压驱动的形式，结构简单，节省安装空间。利用平移‑旋转式滑轨实现内凹式舱门的展开，在展开过程中，先向下平移再旋转运动，解决了安装空间小、存在干涉等问题。本发明的作用是，在狭小空间的舱室内实现内凹式舱门的展开，确保运动过程稳定可靠、不发生干涉。
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