The invention belongs to the technical field of van manufacturing, and discloses a front-mounted spare wheel carrier device of a semitrailer. The device comprises a rotating arm, a rotating arm fixingframe, a first fixed pulley, a second fixed pulley, a spare wheel lifter and a traction rope; one end of the rotating arm is hinged to the rotating arm fixing frame; the first fixed pulley and the second fixed pulley are arranged at the two ends of the rotating arm respectively, and the first fixed pulley is arranged close to the rotating arm fixing frame; the spare wheel lifter is arranged belowthe first fixed pulley; one end of the traction rope is used for being connected with a spare wheel to be fixed, and the other end of the traction rope passes through the second fixed pulley and thefirst fixed pulley and then is connected with the spare wheel lifter. Related technologies have the defects that when a spare wheel goes up and down, the position of a chain block is high, and operation is not facilitated; and a spare wheel fixing support is a movable part and is poor in stability.

    本发明属于厢车制造技术领域,公开了一种半挂车前置式备胎架装置,包括:旋转臂、转臂固定架、第一定滑轮、第二定滑轮、备胎升降器、牵引绳;所述旋转臂的一端铰接于所述转臂固定架;所述第一定滑轮和所述第二定滑轮分别设于所述旋转臂的两端,所述第一定滑轮靠近所述转臂固定架设置;所述备胎升降器设于所述第一定滑轮的下方;所述牵引绳的一端用于连接待固定备胎,所述牵引绳的另一端经所述第二定滑轮、第一定滑轮后与所述备胎升降器相连。相关技术的不足在于,备胎上下时,手拉葫芦的位置偏高,不利于操作。且备胎固定支撑为活动件,稳定性差。


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    Title :

    Front spare wheel carrier device of semitrailer


    Additional title:

    半挂车前置式备胎架装置


    Contributors:
    SUN ZHIYI (author) / WANG LINJUN (author)

    Publication date :

    2021-02-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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