Introducing our state-of-the-art hard coupling device for mine flatbed trucks, meticulously engineered to excel in the harsh and dynamic conditions of underground tunnels. This innovative solution stands out by effortlessly navigating inclines, declines, and sharp turns, outperforming traditional soft couplings. It effectively prevents vehicle collisions during multi-vehicle transport operations, resolving pivotal issues such as front lifting, rear compression, and operational mishaps that can occur during ascent, descent, and turning. This robust device ensures seamless and safe transportation, setting an unprecedented standard for reliability and performance in the mining industry.