The invention provides a coaxial double-rotor helicopter and a pitch measuring device thereof, the device comprises a trigger acquisition system and a radar ranging module, the trigger acquisition system comprises a tool support 2, a photoelectric sensor 1 and a reflective grating 3, the photoelectric sensor 1 is installed around a rotor hub through the tool support 2, and the radar ranging module is connected with the photoelectric sensor 1; fixing is conducted through two fixing bolts of an upper rotor wing system fairing and a lower rotor wing system fairing; the reflective grating 3 is mounted on the outer side of a guide cylinder of a lower rotor wing automatic inclinator of the main speed reducer; the photoelectric sensor 1 is connected with the transmitting/receiving module 4 through an analog signal line.

    本申请提供一种共轴双旋翼直升机及其桨间距测量装置,所述装置包括触发采集系统和雷达测距模块,触发采集系统包括工装支架2、光电传感器1、反光格栅3,其中:通过工装支架2将光电传感器1安装在旋翼桨毂周围,借用机上下旋翼系统整流罩两个固定螺栓进行固定;反光格栅3安装在主减速器下旋翼自动倾斜器导筒外侧;光电传感器1通过模拟信号线与发射/接收4模块连接。


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    Title :

    Coaxial double-rotor helicopter and propeller spacing measuring device thereof


    Additional title:

    一种共轴双旋翼直升机及其桨间距测量装置


    Contributors:
    LI QIWEI (author) / ZHOU QIANG (author) / ZHANG WENWEI (author) / HUANG AN (author) / TANG YONG (author) / XU YOUSONG (author) / LI MINGQIANG (author)

    Publication date :

    2024-03-19


    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 / B64C AEROPLANES , Flugzeuge / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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