东风11 G型内燃机车牵引缓冲装置关键部件检修工艺

摘要

介绍了东风11 G型内燃机车牵引缓冲装置的作用及主要结构，并以其关键部件车钩、缓冲器为研究对象，研究其检修工艺。%The function and main structure of the traction buffer device of Dongfeng 11 G Type Locomotive are introduced , and with key part coupler and buffer as research object, their repair technology is studied.