Designed to withstand the rigorous and ever-changing environment of underground mining tunnels, the hard coupling device for mine flatbed trucks stands out as a pioneering solution. This advanced device excels in navigating inclines, declines, and sharp turns, surpassing the limitations of traditional soft couplings. By effectively preventing vehicle collisions during multi-vehicle transport operations, it addresses and mitigates critical issues such as front lifting, rear compression, and operational accidents that may occur during ascents, descents, and turns. This innovation not only ensures seamless and safe transportation but also sets a new benchmark for reliability in the mining industry, redefining safety and efficiency standards.