The hard coupling device for mine flatbed trucks is masterfully engineered to excel in the demanding and ever-changing conditions of underground tunnels. Whether you're navigating steep inclines, sharp declines, or intricate turns, this groundbreaking solution surpasses the limitations of traditional soft couplings. By effectively eliminating vehicle collisions during multi-vehicle transport operations, it proficiently addresses and resolves key issues such as front lifting, rear compression, and operational accidents that often occur during ascent, descent, and turning. This device ensures uninterrupted, safe transportation, thereby establishing a new benchmark for reliability in the mining industry, promising operational excellence and enhanced safety standards.