The invention relates to the technical field of railway turnout switch machines, and discloses a multi-stage anti-falling structure movable contact group for a railway switch machine, which comprises a movable contact seat, movable point steel columns integrally formed with the movable contact seat are uniformly arranged on the movable contact seat, and each movable point steel column is sequentially provided with a threaded section and a cylindrical section from top to bottom, the diameter of the threaded section is smaller than that of the cylindrical section, the cylindrical section is rotatably provided with a movable contact ring, and the outer side and the top of the cylindrical section are respectively provided with a first-stage anti-falling structure and a second-stage anti-falling structure. According to the invention, a multi-stage redundant anti-drop structure is arranged, so that the defects that metal is fatigue and fractured to fly out and a moving contact ring falls off due to long-time use due to inherent defects of a moving contact of an existing contact baffle ring and cotter pin structure in the market are overcome, the service life of the whole moving contact group is prolonged, and the use safety is improved.

    本发明涉及铁路道岔转辙机技术领域,公开了一种铁路转辙机用多级防脱结构动接点组,包括动接点座,所述动接点座上均匀设有与其一体成型的动点钢柱,每个所述动点钢柱由上向下依次设有螺纹段、圆柱段,且所述螺纹段直径小于圆柱段直径,所述圆柱段上转动安装有动接点环,所述圆柱段外侧及顶部分别设有一级防脱落结构以及二级防脱结构。本发明设置有多级冗余防脱结构,克服了市场现有接点挡环、开口销结构动接点因固有缺陷,长时间使用金属疲劳断裂飞出,动接点环脱落的缺陷,延长了整个动接点组的使用寿命以及使用安全性。


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    Titel :

    Multi-stage anti-falling structure movable contact group for railway switch machine


    Weitere Titelangaben:

    一种铁路转辙机用多级防脱结构动接点组


    Beteiligte:
    JIANG TAO (Autor:in) / ZHANG JIANGUO (Autor:in)

    Erscheinungsdatum :

    2023-08-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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