The invention discloses a working method of a fluid-solid coupling four-stage collision energy absorption device. The collision energy absorption device is composed of a three-dimensional energy absorption area, a folding energy absorption area and a fluid energy absorption area which are arranged in a crossed mode from top to bottom, wherein the folding energy absorption area forms circumferentially arranged rotary folding concave corners through crease lines in combination with a rotary folding mode; and the fluid energy absorption area is composed of a cover plate, a supporting plate, a cylinder, an inlet valve, a pressure release valve and a pressing plate. In the collision process, the fluid energy absorption area is compressed firstly to achieve first-stage buffering; then the folding energy absorption area is compressed and deformed to achieve second-stage buffering; and then the three-dimensional energy absorption area is compressed and deformed to achieve third-stage buffering; a new thin-wall energy absorption area formed after the fluid energy absorption area is compressed is finally compressed and deformed to achieve four-stage buffering is achieved. By means of the multi-stage buffering method of the energy absorption device, the initial peak force generated in the collision process can be effectively reduced, and it can be guaranteed that the energy absorption device has the high energy absorption rate.

    本发明公开了一种流固耦合四级碰撞吸能装置的工作方法,所述碰撞吸能装置由立体吸能区、折叠吸能区和流体吸能区采用至上而下交叉排列的方式组成;折叠吸能区通过折痕纹路并结合旋转折叠方式形成圆周排列的回转式折叠凹角;流体吸能区由盖板、支撑板、筒体、进口阀、泄压阀和压板组成;在碰撞过程中,流体吸能区先行被压缩,实现一级缓冲;折叠吸能区后被压缩变形,实现二级缓冲;立体吸能区随后被压缩变形,实现三级缓冲;流体吸能区压缩后形成的新的薄壁吸能区最后被压缩变形,实现四级缓冲。通过吸能装置的多级缓冲方法不但能有效降低碰撞过程中产生的初始峰值力,而且还能保证吸能装置具有较高的能量吸收率。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Working method of fluid-solid coupling four-stage collision energy absorption device


    Weitere Titelangaben:

    一种流固耦合四级碰撞吸能装置的工作方法


    Beteiligte:
    LIU XIN (Autor:in) / GONG MIN (Autor:in) / LIU XIANG (Autor:in)

    Erscheinungsdatum :

    2020-09-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    Fluid-solid coupling four-stage collision energy absorption device

    LIU XIN / LIU XIANG / GONG MIN | Europäisches Patentamt | 2020

    Freier Zugriff

    Vehicle-mounted telescopic liquid-solid coupling four-stage collision energy absorption device

    TANG YOUMING / LIU NA / HONG WEIPENG et al. | Europäisches Patentamt | 2015

    Freier Zugriff

    Vehicle collision energy absorption method, vehicle collision energy absorption device and vehicle

    HUANG XIA / LEI MINGXING / WANG LI et al. | Europäisches Patentamt | 2021

    Freier Zugriff

    Five-level gradual-type gas-liquid-solid coupling collision energy absorption device and application

    TANG YOUMING / CHEN JIANBIAO / LIN JUNHONG et al. | Europäisches Patentamt | 2015

    Freier Zugriff