The relevance of this study stems from the need to improve the safety of professional training for fire and rescue specialists when performing exercises involving working at height. Fire drill training shows that training in the use of manual fire escape ladders and fire rescue ropes carries an increased risk of injury, necessitating the use of additional technical safety equipment and improved methodological support for the training process. The aim of this study is to investigate the potential of a modern cam-type fall arrest device to improve trainee safety during fire drill training and self-rescue exercises from height. This article examines the design, composition, and operating principle of the fall arrest device. It describes the device's key components, rope trajectory, and braking conditions under emergency dynamic loads. A computational model of the system's operation is presented, allowing for the evaluation of the braking force and duration in the event of a trainee fall, and the factors influencing the device's effectiveness are identified. The cam-type fall arrest mechanism is noted to reduce the impact of human error and ensure automatic trainee arrest in the event of a fall. The practical significance of the study lies in the potential for integrating the developed fall arrest device into the training of firefighters and rescuers, which will reduce injuries, increase the reliability of fall arrest systems, and improve conditions for performing training exercises at height. The results obtained can be used to improve fire drill training methods and develop technical means to ensure trainee safety.
Aganov et al. (Fri,) studied this question.