Expertly designed for the rugged and ever-changing conditions of underground mining tunnels, the hard coupling device for mine flatbed trucks stands as a pinnacle of engineering excellence. This advanced solution outperforms traditional soft couplings by effortlessly handling inclines, declines, and sharp turns, making it indispensable for multi-vehicle transport operations. Our innovative device resolves critical issues including front lifting, rear compression, and operational accidents that typically arise during ascent, descent, and turning maneuvers. By eliminating vehicle collisions and ensuring uninterrupted and secure transportation, it sets a new benchmark for reliability and safety in the mining industry.