The invention discloses a folding crawling ladder device and a transportation semitrailer. The crawling ladder device comprises an upper crawling ladder assembly, a lower crawling ladder assembly andhand guardrails, the upper crawling ladder assembly is hinged to the lower crawling ladder assembly, the hand guardrails are inserted into the two sides of the upper crawling ladder assembly, and thetransportation semitrailer comprises a frame assembly and the crawling ladder device. The technical problems of poor safety and inconvenient disassembling of a vertical crawling ladder in the prior art are solved.

    本发明公开一种折叠式爬梯装置及运输半挂车,爬梯装置包括上爬梯总成、下爬梯总成和手扶护栏,上爬梯总成与下爬梯总成铰接,上爬梯总成两侧插装有手扶护栏,运输半挂车包括车架总成和爬梯装置,本发明解决了现有技术中直爬梯安全性差,不便于拆卸的技术问题。


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    Title :

    Folding crawling ladder device and transportation semitrailer


    Additional title:

    一种折叠式爬梯装置及运输半挂车


    Contributors:
    WANG XUE (author) / ZHANG ZHAODONG (author) / ZHANG HUI (author)

    Publication date :

    2020-04-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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