陶瓷基火焰筒与金属头部的热补偿连接结构
The combination of support arm and elastic connecting ring solves the problem of thermal deformation incompatibility between ceramic-based flame tube and metal head, achieving reliable connection and compensation for thermal deformation differences, thus ensuring the safe operation of ceramic-based flame tube.
CN117968100BActive Publication Date: 2026-07-17AECC SICHUAN GAS TURBINE RES INST
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AECC SICHUAN GAS TURBINE RES INST
- Filing Date
- 2024-02-20
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The ceramic-based flame tube and the metal head are not coordinated in thermal deformation under hot conditions, resulting in unstable connection and easy damage.
Method used
The system employs a combination structure of a support arm and an elastic connecting ring. The support arm is fixed to the head of the metal flame tube, while the elastic connecting ring is fixed to the body of the ceramic-based flame tube. The elastic deformation of multiple rotating arcs compensates for differences in thermal deformation, ensuring coaxiality.
Benefits of technology
It achieves a reliable connection between the ceramic-based flame tube and the metal head, absorbs differences in thermal deformation, avoids damage, and ensures work safety.
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Smart Images
Figure CN117968100B_ABST
Abstract
本发明的陶瓷基火焰筒与金属头部的热补偿连接结构，支撑臂和弹性连接环，支撑臂置于弹性连接环外或上方，所述支撑臂一端与金属火焰筒头部固定连接，另一端与陶瓷基火焰筒筒体以可移动的方式连接，用以对不同材质火焰筒工作时的热补偿；所述弹性连接环以多段回转弧的结构设置，且两端分别与金属火焰筒头部、陶瓷基火焰筒筒体固定连接，通过多段回转弧产生的弹性形变补偿金属火焰筒头部与陶瓷基火焰筒筒体因膨胀系数差异带来的热变形差。实现了在发动机工作时，在支撑臂和弹性连接环共同作用下确保所述陶瓷基火焰筒筒体和金属火焰筒头部轴线同轴度满足预设值。
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