The hard coupling device for mine flatbed trucks is meticulously engineered to perform optimally in the rigorous and ever-changing conditions of underground tunnels. Whether your operations involve navigating steep inclines, sharp declines, or intricate turns, this cutting-edge solution surpasses the limitations of traditional soft couplings. It offers a robust mechanism that prevents vehicle collisions during multi-vehicle transport, addressing and overcoming critical issues such as front lifting, rear compression, and operational mishaps that can arise during ascents, descents, and turns. This device guarantees uninterrupted and secure transportation, establishing a new benchmark for reliability and safety in the mining industry.