Introducing our state-of-the-art hard coupling device, meticulously engineered for mine flatbed trucks to thrive in the demanding and dynamic conditions of underground tunnels. Whether navigating inclines, declines, or sharp turns, this revolutionary solution surpasses traditional soft couplings, offering unparalleled performance. By effectively eliminating vehicle collisions during multi-vehicle transport operations, it addresses and resolves critical issues such as front lifting, rear compression, and operational accidents that can occur during ascent, descent, and turning. This device ensures seamless, safe, and efficient transportation, setting a new industry standard for reliability in the mining sector.