Discover the hard coupling device for mine flatbed trucks, meticulously engineered to conquer the rigorous and dynamic conditions of underground tunnels. Designed for peak performance on inclines, declines, and sharp turns, this state-of-the-art solution outshines traditional soft couplings. It adeptly eliminates vehicle collisions during multi-vehicle transport operations, tackling and resolving pivotal issues such as front lifting, rear compression, and operational mishaps that can occur during ascent, descent, and turning. This device ensures seamless and secure transportation, establishing a new benchmark for reliability and safety in the mining industry.