The problem to be solved by the present invention is to provide a mounting structure of a steering gearbox and a mounting method thereof, which have a small difference in responsiveness during left and right steering. In order to solve the problem of the present invention, a mounting structure for a steering gear box is a mounting structure in which a gear box 52 that accommodates a rack shaft that is displaced in the vehicle width direction by steering force is mounted to a front subframe 3, a gear box 52 is fixed to a front subframe 3 of a vehicle body with a left mounting portion 57L and a right mounting portion 57R provided at positions separated in the axial direction of a rack shaft, and a central mounting portion 57C provided between the left mounting portion 57L and the right mounting portion 57R in the axial direction. The central mounting portion 57C is fixed to the front subframe 3 via a mounting bush provided with a rubber member, and the left mounting portion 57L and the right mounting portion 57R are fixed to the front subframe 3 so as to be more rigid than the central mounting portion 57C.

    本发明所要解决的问题在于,提供一种转向齿轮箱的安装结构及其安装方法,其在左右转向时的响应性的差异较小。为了解决本发明的问题,转向齿轮箱的安装结构是一种将齿轮箱52安装在前副车架3上的安装结构,所述齿轮箱收容齿条轴,所述齿条轴利用转向力而向车宽方向位移,所述安装结构中,齿轮箱52以设置在沿齿条轴的轴向分离的位置的左安装部57L和右安装部57R、以及沿轴向设置在左安装部57L与右安装部57R之间的中央安装部57C,固定在车身的前副车架3上。中央安装部57C经由具备橡胶部件的安装衬套固定在前副车架3上,左安装部57L和右安装部57R比中央安装部57C更刚性地固定在前副车架3上。


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    Title :

    Mounting structure and mounting method of steering gear box


    Additional title:

    转向齿轮箱的安装结构及安装方法


    Contributors:

    Publication date :

    2022-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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