Scraper conveyor is the core equipment of fully mechanized mining face in coal mine. Due to the bad working environment and complex working conditions, faults such as chain stuck and chain broken often occur. The cylindrical friction torque limiter has the advantages of good overload protection performance and high reliability. Therefore, in order to study the overload protection performance of the cylindrical friction torque limiter, the whole scraper conveyor model was established by AMESim, and the torque limiter skid control model was built by Matlab/Simulink for co-simulation. The overload protection characteristics of the cylindrical friction torque limiter under impact and stuck chain conditions were studied. The overload protection effect of scraper conveyor by different installation position of torque limiter was analyzed. The results show that under the impact and chain clamping conditions, due to the friction slip of the torque limiter, the force of the scraper conveyor protected by the torque limiter is relatively stable without sudden increase, and the isolation peak load of the torque limiter is significant. When the torque limiter was arranged in the middle of the reducer, the protection effect for the scraper conveyor and its driving system is the best, the research of cylindrical friction torque limiter provides theoretical guidance and technical support for improving the reliability and life of scraper conveyor.