The invention provides a trailer towing hook structure which is applied to the technical field of trailers and is characterized in that a towing vehicle connecting column (1) of the trailer towing hook structure is arranged at the rear part (4) of a towing vehicle, a trailer connecting column (2) is arranged at the front part (5) of the trailer, the rear part (4) of the towing vehicle is provided with a first telescopic cylinder (8), the surface of the towing vehicle connecting column (1) is provided with a first annular groove (10) along the periphery of the surface of the towing vehicle connecting column (1), and a first positioning screw (11) penetrating through a first telescopic rod (9) of the first telescopic cylinder (8) is arranged to be of a structure capable of penetrating through a first threaded hole in a connecting column sleeve piece (3) to extend into the first annular groove (10). The trailer towing hook structure is simple in structure and low in cost, hooking connection of a towing vehicle and a trailer can be conveniently and rapidly achieved, the stress is reliable when a tractor drags the trailer to run, falling is not prone to occurring, the traction hook is convenient to take down when the tractor and the trailer are separated, and convenience and safety in use are improved.

    本发明提供一种应用于挂车技术领域的挂车牵引钩结构,所述的挂车牵引钩结构的引车连接柱(1)布置在牵引车后部(4),挂车连接柱(2)布置在挂车前部(5),牵引车后部(4)设置第一伸缩气缸(8),牵引车连接柱(1)表面沿牵引车连接柱(1)表面一周设置第一环形槽(10),穿过第一伸缩气缸(8)的第一伸缩杆(9)的第一定位螺杆(11)设置为能够穿过连接柱套件(3)上的第一螺纹孔延伸到第一环形槽(10)内的结构,本发明所述的挂车牵引钩结构,结构简单,成本低,能够方便快捷实现牵引车和挂车的钩挂连接,并且牵引车牵引挂车行驶时受力可靠,不易脱落,牵引车和挂车分离时牵引钩方便取下,提高使用中的便利性和安全性。


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    Titel :

    Trailer towing hook structure


    Weitere Titelangaben:

    一种挂车牵引钩结构


    Beteiligte:
    LI YUAN (Autor:in)

    Erscheinungsdatum :

    2021-12-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60D Fahrzeugverbindungen , VEHICLE CONNECTIONS



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