1964年5月分以前,我厂检修的胜利型机车回动轴和半径杆导框装车后,经常发生蹩劲现象;回动轴臂与半径杆导框的侧面间隙过限;半径杆尾部在导框内不能左右移动,有时甚至使回动轴不能转动。在这种情况下,只得在车上把回动轴臂烤红打弯来调整,这不但是一项笨重的体力劳动,而且要求的技术水平 Before May 1964, the victory of our factory overhaul the winch locomotive and the radius of the rod guide frame loading, the phenomenon often lag; the shaft arm and the radius of the guide rod frame side gap is too limited; radius rod tail In guide frame can not move around, and sometimes even make the return shaft can not rotate. In this case, it is not only a cumbersome physical labor, but also the required technical level