江淮50拖拉机前轮转向装置上焊在横拉杆两端的四个“凸块”,原为铸钢零件(见图1)。经过钻孔和铰螺纹后,用来安装螺栓,以便夹紧能在横拉杆内进行伸缩调整的杆件(见图2)。这种零件虽然不大,但由于精铸工 Jianghuai 50 tractor front steering gear welded on both ends of the tie rod four “bumps”, the original cast steel parts (see Figure 1). After drilling and reaming threads, it is used to install the bolts to clamp the rod that can be telescopically adjusted in the tie rod (see Figure 2). Although this part is not large, but due to casting