The invention discloses an oversleeve capable of performing perspective examination on a flexible beam. The oversleeve comprises a root connecting section, a typical section and an end connecting section, wherein the root connecting section and the typical section are in transition through a root transition section, the typical section and the end connecting section are in transition through an end transition section, the root connecting section is used for connecting a variable-pitch rocker arm and a shimmy damper, and the end connecting section is used for connecting the blades and the flexible beam; the oversleeve is provided with a perspective inspection window, and the perspective inspection window comprises an inspection hole formed in the oversleeve; the inspection hole is a steppedhole formed from inside to outside, a hoop is assembled in the stepped hole, and a photoscope is mounted in the hoop; and the number of the perspective inspection windows is one or more than one. According to the oversleeve, the use damage condition of the flexible beam can be conveniently and visually checked, so that the maintenance work of the flexible beam is greatly facilitated; and meanwhile, the oversleeve structure provided by the invention also has the characteristics of small appearance and small aerodynamic resistance.

    本发明公开了一种可透视检查柔性梁的袖套,包括根部连接段、典型段以及端部连接段,其中,根部连接段与典型段之间通过根部过渡段进行过渡,典型段与端部连接段之间通过端部过渡段进行过渡,其中,所述根部连接段用于连接变距摇臂和摆振阻尼器,端部连接段用于连接桨叶和柔性梁;所述袖套上设置有透视检查窗,透视检查窗包括开设于袖套上的检查孔;所述检查孔为由内向外开设的阶梯孔,阶梯孔中装配有卡箍,卡箍中安装有透视镜;所述透视检查窗设置一个或一个以上。本发明的袖套可以方便目视检查柔性梁的使用损伤情况,极大的方便了柔性梁维护工作;同时本发明提供的袖套结构,还具有外形小、气动阻力小的特点。


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    Title :

    Oversleeve capable of performing perspective examination on flexible beam


    Additional title:

    一种可透视检查柔性梁的袖套


    Contributors:
    ZHAO WENMEI (author) / WANG ZHENGFENG (author) / WANG YAMIN (author) / WU XINHAO (author) / JIANG JIAJI (author)

    Publication date :

    2021-01-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen



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