Introducing our hard coupling device for mine flatbed trucks, meticulously engineered to withstand the rigorous and ever-changing conditions of subterranean tunnels. This state-of-the-art solution performs exceptionally well on inclines, declines, and sharp turns, areas where traditional soft couplings often fail. It eliminates the risk of vehicle collisions during multi-vehicle transport operations, effectively addressing critical issues such as front lifting, rear compression, and operational accidents that typically occur during ascents, descents, and turns. This revolutionary device provides seamless and safe transportation, establishing a new benchmark for reliability and safety in the mining industry.