The invention discloses a bidirectional semitrailer which is characterized by comprising an L-shaped connecting piece, a semitrailer frame, a front wheel suspension mechanism, a rear wheel suspensionmechanism, a first sleeve and a second sleeve. The horizontal section of the L-shaped connecting piece is connected with a traction pin, the traction pin is connected with a tractor, and a first sleeve is installed on the vertical section of the L-shaped connecting piece and used for being coaxially in butt joint with a second sleeve installed at the end portion of any end of the semitrailer frame. Second sleeves are installed at the two ends of the semitrailer frame respectively, pin holes are formed in the first sleeve and the second sleeve in the radial direction respectively, and when thefirst sleeve and the second sleeve are coaxially connected in a butt joint mode, the pin holes in the first sleeve and the second sleeve are coaxial and axially limited through connecting plug pins. The front wheel suspension mechanism and the rear wheel suspension mechanism are welded to chassis longitudinal beams at the front end and the rear end of the semitrailer frame through supporting frames respectively, the front wheel suspension mechanism enables front-end wheels to be separated from or attached to the ground, and the rear wheel suspension mechanism enables rear-end wheels to be separated from or attached to the ground.

    本发明公开了一种双向半挂车,其特征在于,包括:L型连接件、半挂车车架、前轮悬挂机构、后轮悬挂机构、一号套筒和二号套筒;所述L型连接件的水平段连接有牵引销,牵引销与牵引车连接,L型连接件的竖直段安装有一号套筒,用于与半挂车车架任一端端部安装的二号套筒同轴对接;其中,半挂车车架的两端分别安装有二号套筒,一号套筒和二号套筒上分别沿径向开设销孔,二者同轴对接时,其上的销孔同轴并通过连接插销对一号套筒和二号套筒轴向限位;所述前轮悬挂机构和后轮悬挂机构分别通过支撑架焊接在半挂车车架前后端的底盘纵梁上,前轮悬挂机构能够使前端车轮离地或贴地,后轮悬挂机构能够使后端车轮离地或贴地。


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    Title :

    Bidirectional semitrailer


    Additional title:

    一种双向半挂车


    Contributors:
    CUI XIAOSHUANG (author) / WANG RUIHENG (author) / WANG YONGTAO (author) / SHAN HAICHAO (author) / ZHANG QINGLIN (author) / SHI SHENGFENG (author)

    Publication date :

    2020-10-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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