The embodiment of the invention provides a folding arm frame. The folding arm frame comprises a mounting base, a first arm frame capable of stretching and retracting, a second arm frame capable of stretching and retracting, a folding oil cylinder, a swing rod and a connecting rod, wherein the mounting base comprises a first hinge point and a second hinge point which is arranged at an interval withthe first hinge point; the head part of the first arm frame is fixedly connected with the mounting base; the tail part of the second arm frame is pivoted with the first hinge point; one end of the folding oil cylinder is pivoted with the second arm frame; when the folding oil cylinder is at an initial state, the second arm frame is arranged at one side of the width direction of the first arm frame in parallel; one end of the swing rod is pivoted with the other end of the folding oil cylinder; the other end of the swing rod is pivoted with the second hinge point; one end of the connecting rodis pivoted with the second arm frame; and the other end of the connecting rod is pivoted between the two ends of the swing rod. The embodiment of the invention further provides an unfolding method ofthe folding arm frame and a fire fighting truck with the folding arm frame.

    本申请实施例提供了一种折叠臂架,包括安装座、能够伸缩的第一臂架、能够伸缩的第二臂架、折叠油缸、摆杆以及连杆,所述安装座包括第一铰点和与所述第一铰点间隔设置的第二铰点,所述第一臂架的头部与所述安装座固定连接,所述第二臂架的尾部与所述第一铰点枢接,所述折叠油缸的一端与所述第二臂架枢接,所述折叠油缸为初始状态时,所述第二臂架并列布置在所述第一臂架的宽度方向的一侧,所述摆杆的一端与所述折叠油缸的另一端枢接,所述摆杆的另一端与所述第二铰点枢接,所述连杆的一端与所述第二臂架枢接,所述连杆的另一端枢接于所述摆杆的两端之间。本申请实施例还提供了上述折叠臂架的展开方法和具有上述折叠臂架的消防车。


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    Titel :

    Folding arm frame, unfolding method of folding arm frame and fire fighting truck


    Weitere Titelangaben:

    折叠臂架、折叠臂架的展开方法及消防车


    Beteiligte:
    QING LICHUN (Autor:in) / GUO FANGYUN (Autor:in) / XU LIANG (Autor:in) / XIAO JIUKUN (Autor:in) / FANG YIHONG (Autor:in)

    Erscheinungsdatum :

    2020-08-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    A62C FIRE-FIGHTING , Feuerbekämpfung / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F16G Riemen, Kabel oder Seile, vorwiegend für Antriebszwecke , BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES / F16L PIPES , Rohre



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