一种考虑基础冲击的航空发动机双转子整机模拟试验器

The aero-engine dual-rotor whole-machine simulation tester with segmented design and squirrel cage elastic support solves the problem that existing testers cannot simulate impact loads, and realizes the dynamic study and load transfer path analysis of the dual-rotor-support-casing system.

CN119643155BActive Publication Date: 2026-07-17NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Filing Date
2025-01-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing dual-rotor test equipment for aero-engines cannot realistically simulate typical axial and radial impact loads, nor can it study the transmission law of impact loads within the dual-rotor-support-casing system.

Method used

The aero-engine dual-rotor whole-machine simulation test instrument with segmented design features thin walls, circumferential bolt connections and squirrel cage elastic support, with the connection surface acting as a reinforcing rib to transfer vibration loads and monitor dynamic characteristics through sensors.

Benefits of technology

Vibration testing of a dual-rotor-support-casing system was achieved, enabling the study of dynamic characteristics and load transfer mechanisms under impact, meeting the experimental requirements of different turntable assemblies, and adjusting the critical speed to a safe range.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119643155B_ABST
    Figure CN119643155B_ABST
Patent Text Reader

Abstract

本发明公开了一种考虑基础冲击的航空发动机双转子整机模拟试验器,属于航空发动机技术领域,包括落震台,落震台上设有基础平台,基础平台包括第一平台和第二平台,基础平台上安装有支撑组件,支撑组件上安装有承力结构,承力结构包括后承力机匣,后承力机匣一侧连接有涡轮机匣,涡轮机匣一侧连接有燃烧室机匣,燃烧室机匣一侧连接有中介机匣,中介机匣一侧连接有进气承力机匣。本发明采用上述的一种考虑基础冲击的航空发动机双转子整机模拟试验器,采用分段设计,具有薄壁特征,采用周向螺栓连接,连接面结构充当加强筋,能有效传递振动载荷,利于研究分析传递路径,采用鼠笼弹性支撑降低质量集中转盘处的支承刚度来调整临界转速到达安全范围。
Need to check novelty before this filing date? Find Prior Art