The invention discloses a two-stage telescopic boarding ladder and a boarding vehicle. The boarding ladder comprises a fixed ladder, a main extension ladder and a middle ladder located between the fixed ladder and the main extension ladder, and the middle ladder and the main extension ladder are both in extension connection with the fixed ladder through corresponding guide rail pair structures. The middle ladder and the main extension ladder are provided with a dragging structure which drags the middle ladder to synchronously extend out after the main extension ladder extends out for a set distance, the middle ladder is located in the ladder assembly of the fixed ladder, and a middle ladder guide rail pair between the middle ladder and the fixed ladder is located between the opposite side walls of the fixed ladder assembly and the middle ladder assembly. The boarding vehicle is provided with the boarding ladder. The invention has the advantages that the boarding ladder has a larger height adjusting range, can adapt to more airliner types, can reduce the airport operation cost, and are stable in structure, compact in layout, reliable in function and long in service life. The boarding vehicle has the same structural characteristics and excellent characteristics as the boarding ladder.

    本发明公开了一种两级伸缩登机梯及登机车,登机梯包括固定梯和主伸缩梯,以及位于固定梯和主伸缩梯之间的中间梯,中间梯和主伸缩梯均通过对应的导轨副结构与固定梯形成伸缩连接,且中间梯与主伸缩梯具有在主伸缩梯伸出设定距离后,拖动中间梯同步伸出的拖拽结构,中间梯位于固定梯的梯架内部,中间梯与固定梯之间的中间梯导轨副位于固定梯梯架与中间梯梯架的相向侧壁之间。登机车具有前述登机梯。本发明的有益效果是,登机梯具有更大的高度调节范围,能够适应更多的客机机型,可降低机场运营成本,且结构稳定,布局紧凑,功能可靠,使用寿命长。登机车具有登机梯相同的结构特点和优异特性。


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    Title :

    Two-stage telescopic boarding ladder and boarding vehicle


    Additional title:

    一种两级伸缩登机梯及登机车


    Contributors:
    HE BIAO (author) / XIAO SHUANG (author) / ZHAO ZIDONG (author)

    Publication date :

    2021-10-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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