Our hard coupling device for mine flatbed trucks is meticulously engineered to excel in the rigorous and ever-changing conditions of underground tunnels. Designed to conquer inclines, declines, and sharp turns, this groundbreaking solution outperforms traditional soft couplings, eliminating the risk of vehicle collisions during multi-vehicle transport operations. It addresses and resolves crucial issues such as front lifting, rear compression, and operational accidents that can occur during ascent, descent, and turning. This device guarantees seamless and safe transportation, thereby setting an unparalleled standard for reliability in the mining industry.