Company Filing History:
2 out of 8 
1 out of 1 
1 out of 1 Years Active: 2021
Title: Innovations by Inventor Liangshan Xu
Introduction
Liangshan Xu is a notable inventor based in Beijing, China. He has made significant contributions to the field of railway engineering, holding a total of 2 patents. His innovative designs focus on enhancing the efficiency and safety of railway systems.
Latest Patents
One of Liangshan Xu's latest patents is a boltless fastener assembly for heavy haul railways with an axle load of 35-40 tons. This assembly includes a pre-embedded steel holder, an e-clip, an insulated gauge block, and a rubber pad. The design features an L-shaped retaining end on the e-clip, which allows for normal installation without contact with the pre-embedded steel holder. This innovation is crucial for maintaining stability during large torsional deformations of the rail.
Another significant patent is the fiber-reinforced prestressed reinforced concrete sleeper. This sleeper is integrally cast and consists of a sleeper body and two rail bearing regions. The design incorporates a rail clamping base on each rail bearing region, with reinforcing fibers concentrated in areas of high stress. This targeted reinforcement enhances the durability and performance of the sleeper under heavy loads.
Career Highlights
Liangshan Xu has worked with prominent organizations such as the China Academy of Railway Sciences Corporation Limited and the Railway Engineering Research Institute of the China Academy of Railway Sciences. His experience in these institutions has allowed him to develop and refine his innovative ideas in railway technology.
Collaborations
Liangshan Xu has collaborated with notable colleagues, including Yangsheng Ye and Ruilin You. Their combined expertise has contributed to advancements in railway engineering and technology.
Conclusion
Liangshan Xu's contributions to railway engineering through his innovative patents demonstrate his commitment to improving railway systems. His work continues to influence the industry and enhance the safety and efficiency of rail transport.