The invention relates to the technical field of helicopters, and discloses a tail rotor pitch control device and a helicopter, and the tail rotor pitch control device comprises a tail rotor shaft and a variable pitch piece of a tail rotor in transmission fit; the control bearing comprises a bearing outer ring and a bearing inner ring, and the bearing inner ring is assembled and connected with the control shaft and rotates along with the control shaft; the booster operating lever assembly is assembled and connected with the bearing outer ring; the temperature detection assembly is arranged on the booster operating lever assembly, and the detection end of the temperature detection assembly is in contact with the bearing outer ring. The booster operating lever assembly is provided with the installation space for assembling the temperature detection assembly by changing the assembly mode of the operating bearing, and the temperature detection assembly is arranged at the corresponding position to be in direct contact with the bearing outer ring; the temperature of the bearing outer ring can be accurately detected in real time, meanwhile, the temperature detection assembly can transmit the detected information to a monitoring system of the helicopter, when the preset temperature is reached, early warning can be given out in time, an operator can be informed, and the safety of the flight process is improved.

    本发明涉及直升机技术领域,公开了尾桨桨距操纵装置及直升机,尾桨桨距操纵装置,包括:与尾桨轴以及尾桨的变距件传动配合;操纵轴承,包括轴承外圈和轴承内圈,轴承内圈与操纵轴装配连接并随着操纵轴一同转动;助力器操纵杆组件,与轴承外圈装配连接;温度检测组件,设置于助力器操纵杆组件,温度检测组件的检测端与轴承外圈接触,本发明通过改变操纵轴承的装配方式,使助力器操纵杆组件具有装配温度检测组件的安装空间,通过将温度检测组件设置于对应位置直接接触轴承外圈,实时准确的检测轴承外圈的温度,同时,温度检测组件可将测得的信息传输至直升机的监控系统,当到达预设温度时,可及时发出预警并通知操作人员,提升飞行过程的安全性。


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    Title :

    Tail rotor pitch control device and helicopter


    Additional title:

    尾桨桨距操纵装置及直升机


    Contributors:
    SONG YIMING (author) / LI YUZHE (author) / LI SHIBO (author) / SU XINSHENG (author)

    Publication date :

    2024-10-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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