The invention discloses a device for preventing a landing door from derailing. The device comprises a sill, wherein a guide rail is arranged on the sill; the landing door capable of sliding along the guide rail to be opened and closed is arranged on the guide rail; an anti-falling barb is arranged between the lower portion of the landing door and the sill and comprises a bending plate; the upper end of the bending plate is fixedly arranged on the lower portion of the landing door; a sliding chute is formed in the lower portion of the sill; the lower portion of the bending plate is in a barb shape hooked in the sliding chute; a sliding block which is inserted into the sliding chute and can slide in the sliding chute is arranged at the lower end of the bending plate; and an opening through which the bending plate passes is formed in the sliding chute. The device has the advantages of simple structure, high safety and capability of effectively resisting over-high impact force under the condition that the landing door does not fall off.

    本发明公开了一种防止层门脱轨的装置,包括地坎,所述地坎上设有导轨,所述导轨上设有能沿导轨滑动以开合的层门,所述层门的下部和地坎之间设有防脱倒钩,所述防脱倒钩包括折弯板,所述折弯板的上端固定安装在层门的下部,所述地坎的下部设有滑槽,所述折弯板的下部为勾在滑槽中的倒钩状,且所述折弯板的下端设有插在滑槽中并能在其中滑动的滑块,所述滑槽开设有供折弯板通过的开口。本发明具有结构简单、安全性高、能有效抵抗过大撞击力而层门不脱落的优点。


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    Title :

    Device for preventing landing door from derailing


    Additional title:

    一种防止层门脱轨的装置


    Contributors:
    CHEN XUEFENG (author) / ZHENG WEI (author) / YI ZHAOQUAN (author)

    Publication date :

    2021-11-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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