The invention relates to a high-pressure safety valve used for a hydraulic jack. The high-pressure safety valve comprises a safety valve body, a pressure measuring assembly and a blocking assembly; the safety valve body is connected with a hydraulic oil way of the hydraulic jack through a flange, a shell is arranged on the side portion of the safety valve body, a buzzer used for giving an alarm when hydraulic pressure of the hydraulic oil way of the hydraulic jack is abnormal is fixedly installed in the shell, and a pressure relief pipe used for guiding out hydraulic oil in the safety valve body is further installed in the shell; the pressure measuring assembly is installed in the shell and communicates with the safety valve body, and when the hydraulic pressure of the hydraulic oil way of the hydraulic jack is abnormal, the pressure measuring assembly moves towards the buzzer and makes contact with the buzzer to enable the buzzer to give an alarm; and the blocking assembly is arranged in the shell, and the blocking assembly acts in the process that the pressure measuring assembly moves towards the buzzer and makes contact with the buzzer to enable the buzzer to give an alarm. The design is novel, and practicability is high.

    本发明涉及一种用于液压千斤顶的高压安全阀,包括安全阀本体,所述安全阀本体通过法兰与液压千斤顶的液压油路连接,所述安全阀本体的侧部设置有外壳,所述外壳内固定安装有用于在液压千斤顶的液压油路液压异常时报警的蜂鸣器,所述外壳内还安装有将所述安全阀本体内的液压油导出的泄压管;测压组件,所述测压组件安装在所述外壳的内部并同所述安全阀本体导通,所述测压组件在液压千斤顶的液压油路液压异常时朝向所述蜂蜜器运动并与之接触使所述蜂鸣器报警;封堵组件,所述封堵组件设置在所述外壳内,所述封堵组件在所述测压组件朝向所述蜂蜜器运动并与之接触使所述蜂鸣器报警的过程中动作使所述泄压管导通,设计新颖,实用性强。


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    Titel :

    High-pressure safety valve used for hydraulic jack


    Weitere Titelangaben:

    一种用于液压千斤顶的高压安全阀


    Beteiligte:
    WANG LIE (Autor:in) / WANG CANHUA (Autor:in)

    Erscheinungsdatum :

    2021-10-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    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 / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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