改进１３号车钩结构的几点建议王兴元１３号车钩是我国铁路货车的主型车钩。为便于检修，对其结构提出如下几点改进建议。１钩体部分１．１钩尾端面加装磨耗板《铁路货车厂修规程》（以下简称《规程》）第３．１．２．２条规定：“钩尾端面磨耗过限时，堆焊磨平。”因手工... Several Suggestions on Improving the Structure of No.13 Coupler Wang Xingyuan No.13 coupler is the main coupler of China’s railway wagons. In order to facilitate maintenance, the structure proposed the following improvements. 1 hook body part 1.1 hook tail face wear plate “railway freight car factory repair regulations” (hereinafter referred to as “rules”) 3.1.2.2 states: “hook tail end wear is too limited, surfacing mill Flat. ”Because of manual ...