The invention belongs to the field of bridge measurement, and discloses a bridge deflection detection device and method for an unmanned aerial vehicle. The device comprises a laser ranging module, a double-shaft holder, a data storage module, a data processing module, a transmission module, a control module and a base, and is carried on an unmanned aerial vehicle platform. The measuring method is suitable for an arched bridge and a box-girder-shaped bridge and comprises the steps that distance parameters and angle parameters of measuring points on the central axis of the bottom of the bridge are obtained, a bridge deflection curve is calculated with an unmanned aerial vehicle as a coordinate origin according to the two parameters, repeated measurement is carried out, adjustment processing is carried out on multiple sets of data, and a final result is obtained through calculation. The device is high in modularization degree, simple in structure, convenient to install, low in cost, large in measurement range, flexible in use mode, high in measurement precision, easy to operate and high in automation degree, and measurement personnel and equipment can be liberated from dangerous positions such as a bridge bottom platform.

    本发明属于桥梁测量领域,公开了一种用于无人机的桥梁挠度检测装置及测量方法。所述装置包括激光测距模块、双轴云台、数据储存模块、数据处理模块、传输模块、控制模块、基座,并搭载于无人机平台上;所述测量方法适用于拱形桥梁和箱梁形桥梁,该测量方法获取桥梁底部中轴线上测量点的距离参数和角度参数,根据这两个参数,以无人机为坐标原点计算桥梁挠度曲线,并进行重复测量,将多组数据做平差处理,计算获取最终结果。本发明模块化程度高,结构简单,安装方便,成本低,测量范围大,使用方式灵活,测量精度高,操作简单,自动化程度高,能够把测量人员和设备从桥梁底部平台等危险位置解放出来。


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    Title :

    Bridge deflection detection device and measurement method for unmanned aerial vehicle


    Additional title:

    一种用于无人机的桥梁挠度检测装置及测量方法


    Contributors:
    SU GUOSHAO (author) / WANG JUNMU (author) / XU HUAJIE (author) / LIU XIN (author) / LIANG JINFU (author) / HOU PAN (author) / QIN YUANZHUO (author)

    Publication date :

    2022-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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