What is the purpose of safety chains during operation?

The purpose of safety chains during train operation is to provide mechanical support in case of coupling failure. These chains are critical for ensuring safety, as they serve as a backup system that keeps the train cars connected even if the primary coupling mechanism fails. This redundancy is vital in preventing potential derailments or accidents that could occur if the cars were to separate while in motion.

In terms of operational safety, the integrity of train connections is paramount, and safety chains play a crucial role in maintaining that integrity. They are designed to withstand significant loads, ensuring that even under adverse conditions, such as braking or changes in speed, the train remains securely joined together.