Introducing the revolutionary hard coupling device for mine flatbed trucks, meticulously crafted to excel amidst the rugged and ever-changing conditions of underground tunnels. Whether you're tackling inclines, navigating declines, or maneuvering sharp turns, this cutting-edge solution performs flawlessly where conventional soft couplings falter. It eradicates vehicle collisions during multi-vehicle transport operations, decisively addressing and overcoming critical challenges such as front lifting, rear compression, and operational mishaps that can occur during ascent, descent, and turning. This device guarantees smooth, safe transportation, elevating the standard of reliability in the mining industry to unprecedented heights.