The invention provides a lifting hook upper limiting system which comprises a mechanical part and a hydraulic system. The mechanical part comprises a heavy hammer and a steel wire rope lifting hook assembly, a proximity switch is arranged on the heavy hammer, a steel wire rope of the steel wire rope lifting hook assembly penetrates through the heavy hammer, and an induction block matched with theproximity switch is arranged on the steel wire rope lifting hook assembly; the hydraulic system comprises an oil tank, an oil pump, a multi-way valve group and a winch system, the input end of the oilpump is connected to the oil tank, an oil return pipeline is arranged on the oil tank, the output end of the oil pump is connected with the multi-way valve group, the winch system is connected with the multi-way valve group, and the multi-way valve group is further connected with the oil return pipeline of the oil tank. According to the scheme, the proximity switch is used, therefore, the induction block only needs to be close to the proximity switch on the heavy hammer to stop running of the winch system, the induction block does not make contact with the heavy hammer, the induction block and the heavy hammer cannot be bonded through grease, and structural parts or hydraulic systems are prevented from being damaged due to out-of-control caused by grease bonding of the induction block andthe heavy hammer.

    本发明提供一种吊钩上限位系统,包括机械部分和液压系统,机械部分包括重锤和钢丝绳吊钩组件,在重锤上设有接近开关,钢丝绳吊钩组件的钢丝绳穿过重锤,在钢丝绳吊钩组件上设有与接近开关配合的感应块;液压系统包括油箱、油泵、多路阀组和绞车系统,油泵的输入端连接到油箱,油箱上设有回油管路,油泵的输出端与多路阀组相连,绞车系统与多路阀组相连,多路阀组还与油箱的回油管路相连,本方案使用接近开关,则感应块只需要靠近重锤上的接近开关即可停止绞车系统的运行,感应块不与重锤接触,这样黄油不会将两者粘连,从而防止感应块与重锤被黄油粘连导致失控而损坏结构件或液压系统。


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    Titel :

    Lifting hook upper limiting system


    Weitere Titelangaben:

    一种吊钩上限位系统


    Beteiligte:
    GU WENPING (Autor:in) / MA QIANYUN (Autor:in) / CHEN YI (Autor:in) / DU CHUNJIANG (Autor:in) / DENG XUYI (Autor:in) / CHEN SHIYE (Autor:in) / LI GUOCHANG (Autor:in) / ZHOU GUOBAI (Autor:in) / CHEN JIAQING (Autor:in) / WEI YINGJU (Autor:in)

    Erscheinungsdatum :

    2021-01-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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