The hard coupling device for mine flatbed trucks is masterfully engineered to excel in the demanding and ever-changing conditions of underground tunnels. Whether it's navigating steep inclines, sharp declines, or tight turns, this state-of-the-art solution outshines traditional soft couplings. It provides a robust answer to the challenges of multi-vehicle transport operations by effectively preventing vehicle collisions. This innovation addresses and resolves critical issues such as front lifting, rear compression, and operational accidents during ascent, descent, and turning maneuvers. By ensuring seamless and safe transportation, this advanced device sets an unparalleled new standard for reliability and dependability in the mining industry.