Location History:
- Heilongjiang, CN (2013)
- Qiqihar, CN (2014 - 2018)
Company Filing History:
2 out of 14 
1 out of 10 Years Active: 2013-2018
Title: The Innovations of Lidong Li
Introduction
Lidong Li is a notable inventor based in Qiqihar, China. He has made significant contributions to the field of railway vehicle technology, holding a total of 3 patents. His work focuses on enhancing the safety and stability of railway systems through innovative designs.
Latest Patents
Lidong Li's latest patents include a "Bogie and axle box suspension positioning device thereof." This invention features an axle box suspension positioning device for railway vehicles, which includes a guide column assembly. The guide column assembly has a fixed end connected to the vehicle's frame and a free end that is extendable and retractable from an opening of the axle box. An elastic positioning component is integrated into the design, limiting the movement of the free end along the vehicle's running direction. This arrangement provides the axle box suspension positioning device with enhanced positioning rigidity. Another significant patent is the "Central suspension device, wagon bogie and express railway wagon." This invention includes a central suspension device positioned between the frame and bolster of the wagon bogie. It comprises a rubber-metal pad spring group that allows for multiple stages of rigidity, ensuring safe and stable running for express railway vehicles.
Career Highlights
Lidong Li has worked with prominent companies in the railway industry, including Qiqihar Railway Rolling Stock Co., Ltd. and CRRC Qiqihar Rolling Stock Co., Ltd. His experience in these organizations has contributed to his expertise in railway vehicle technology and innovation.
Collaborations
Lidong Li has collaborated with notable colleagues such as Haibin Hu and Shifeng Xu. Their teamwork has likely played a role in advancing their shared goals in railway technology.
Conclusion
Lidong Li's contributions to railway vehicle technology through his patents and collaborations highlight his innovative spirit and dedication to improving transportation safety and efficiency. His work continues to influence the industry positively.