Liang Qingchen, male, master's degree student, born in January 1997, from Rizhao, Shandong, studied mechanical design and manufacturing on the Linyi campus of Qingdao University of Technology, and was admitted to the School of Mechanical and Automotive Engineering of Qingdao University of Technology in 2021, continuing to study mechanics Professional master degree, under the tutelage of Associate Professor Liang Peng