The invention relates to a sealing device, a lifting device and a quenching device. The sealing device comprises: a first sealing piece provided with a first through hole; a second sealing piece arranged opposite to the first sealing element; and a telescopic assembly, wherein one end of the telescopic assembly is fixedly connected with the first sealing piece, the other end of the telescopic assembly is fixedly connected with the second sealing piece, a second through hole is formed in the telescopic assembly, the second through hole is communicated with the first through hole, and the telescopic assembly is used for adjusting the distance between the first sealing piece and the second sealing piece. According to the sealing device, when a movable operation workpiece is arranged in the second through hole, in the process that the sealing device enters an opening of a container, the first sealing piece can seal the edge of the opening of the container, a cavity formed by the first through hole and the telescopic second through hole extends into the container, and the sealing device can seal the opening of the container under the condition that the operation of the movable operation workpiece is not influenced.

    本发明涉及一种密封装置、升降装置及淬火装置,其中,密封装置包括:第一密封件,所述第一密封件上设有第一通孔;第二密封件,所述第二密封件与所述第一密封件相向设置;以及伸缩组件,所述伸缩组件的一端与所述第一密封件固定连接,另一端与所述第二密封件固定连接,所述伸缩组件内设第二通孔,所述第二通孔与所述第一通孔联通,所述伸缩组件用于调节所述第一密封件与所述第二密封件之间的距离。上述密封装置,当第二通孔内设置有移动作业工件时,密封装置在进入容器开口的过程中,第一密封件可封闭容器开口的边缘,第一通孔及可伸缩的第二通孔形成的腔体向容器内延伸,密封装置可在不影响移动作业工件作业的情况下封闭容器的开口。


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    Titel :

    Sealing device, lifting device and quenching device


    Weitere Titelangaben:

    一种密封装置、升降装置及淬火装置


    Beteiligte:
    WANG CHENGLIN (Autor:in) / LI JINJU (Autor:in) / WANG LIANG (Autor:in)

    Erscheinungsdatum :

    2021-06-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / F16J Kolben , PISTONS



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