The invention discloses a double safety protection device for a fire extinguishing unmanned helicopter with a high-altitude slow descending function. The double safety protection device comprises an unmanned aerial vehicle body, a slow descending base and a supporting plate; the slow descending base is connected with the bottom of the supporting plate through a plurality of damping shock absorbers which are symmetrically arranged, and the top of the slow descending base is fixedly connected with two stand columns which are symmetrically arranged; the two stand columns are rotationally connected through a rotating rod, the outer portion of the rotating rod is fixedly sleeved with a friction wheel, and the bottom of the supporting plate is fixedly connected with a plurality of friction plates corresponding to the friction wheel; four supports arranged in a rectangular shape are fixedly connected to the bottom of the unmanned aerial vehicle body, connecting plates are fixedly connected to the bottoms of the four supports, supporting legs are arranged below the connecting plates, and two sleeves symmetrically arranged are fixedly connected to the tops of the supporting legs. The double safety protection device is simple in structure and convenient to operate, a fire extinguishing mechanism is convenient to disassemble and assemble, the overall damping and buffering performance is high, and the service life is greatly prolonged.

    本发明公开了一种高空缓降的灭火无人直升机双重安全保护装置,包括无人机本体、缓降底座和支撑板,所述缓降底座与支撑板的底部通过对称设置的多个阻尼减震器连接,所述缓降底座的顶部固定连接有对称设置的两个立柱,两个所述立柱之间通过转杆转动连接,所述转杆的外部固定套接有摩擦轮,所述支撑板的底部固定连接有与摩擦轮对应的多个摩擦片;所述无人机本体的底部固定连接有呈矩形设置的四个支架,四个所述支架的底部均固定连接有连接板,所述连接板的下方设有支脚,所述支脚的顶部固定连接有对称设置的两个套筒,本发明结构简单,操作方便,便于对灭火机构的拆装,且整体减震缓冲性能较高,使用寿命大大提高。


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    Title :

    Double safety protection device for fire extinguishing unmanned helicopter with high-altitude slow descending function


    Additional title:

    一种高空缓降的灭火无人直升机双重安全保护装置


    Contributors:
    WU SHUANG (author) / WANG WEI (author) / DAI YANG (author) / CHEN XINGANG (author) / HONG PING (author)

    Publication date :

    2022-01-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / A62C FIRE-FIGHTING , Feuerbekämpfung / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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