Li Chang

Title: The Innovative Contributions of Li Chang

Introduction

Li Chang is a prominent inventor based in Changchun, China. She has made significant contributions to the field of engineering, particularly in the design and assembly processes of railway vehicles. Her innovative approach has led to the development of a unique patent that enhances the structural integrity of bogie frames.

Latest Patents

Li Chang holds a patent for a "Full butt joint structure of connection joint between side frame and cross beam of bogie frame and assembly welding process." This invention features a full butt joint structure that connects the side frame to the cross beam through a connecting seat. The design includes a plate-plate butt joint structure formed by the side frame connecting end of the connecting seat, a transport column, and a side frame inside vertical plate. Additionally, it incorporates a tube-tube butt joint structure at the cross beam connecting end. The assembly welding process outlined in her patent includes several steps to ensure the robust assembly of the bogie frame.

Career Highlights

Li Chang is currently employed at Changchun Railway Vehicles Co. Ltd., where she applies her expertise in railway vehicle design and manufacturing. Her work has been instrumental in advancing the technology used in railway systems, contributing to safer and more efficient transportation solutions.

Conclusion

Li Chang's innovative spirit and dedication to her field have resulted in valuable advancements in railway vehicle technology. Her patent showcases her ability to solve complex engineering challenges, making her a noteworthy figure in the industry.