Intelligent rolling contact fatigue testing system and testing method therefor

US11408808B2 · kind B2 · utility

Assignees

• CHONGQING HAO HAN TECHNOLOGY COMPANY LIMITED · CN
• Chongqing University of Technology · CN

Inventors

• Yan Yang · Beijing, CN
• Hongbin Xu · Shanghai, CN
• Hui Li · Gaozhuang, CN
• Jianjun Hu · Lo Wu, CN
• Yu Liu · Tianjin, CN
• Changhui Yang · Chongqing, CN
• Gang Zhu · 龙王头村, CN
• Yi Wang · Shanghai, CN
• Juke Liang · Chongqing, CN

Key dates

• Filing date: May 5, 2017
• Grant date: Aug 9, 2022
• Expiry date: Oct 1, 2038

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T2207/30164
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An intelligent rolling contact fatigue testing system and testing method therefor, including a main testing system (3), a loading system (4) and a subsidiary testing system (7), and further including a testing device, wherein the testing device includes a light source (S3), a CCD camera (S5) and a monitoring assistance device (S2), and during testing, a roller test specimen (306) and an subsidiary testing piece (706) are provided in the monitoring assistance device (S2) after being rolled in contact with each other for a certain time, and the roller test specimen (306) and the rotating brush (S210) are rotated simultaneously in a state in which the lubricating oil is sprayed, and the CCD camera (S5) dynamically collects the surface image of the roller test specimen (306), and then performing quantization evaluation on a fatigue failure state by image preprocessing, image processing and image post-processing.