The cutting-edge hard coupling device for mine flatbed trucks is meticulously designed to excel in the demanding and ever-changing conditions of underground tunnels. From navigating steep inclines and descents to mastering sharp turns, this revolutionary solution outperforms traditional soft couplings in every aspect. It eradicates the risk of vehicle collisions during multi-vehicle transport operations, effectively tackling and resolving critical challenges such as front lifting, rear compression, and operational mishaps that can occur during ascent, descent, and turning. This advanced device guarantees smooth, safe, and efficient transportation, setting an unparalleled standard for reliability and safety in the mining industry.