The hard coupling device for mine flatbed trucks is meticulously engineered to excel in the challenging and dynamic conditions of underground tunnels. Whether your operations involve navigating inclines, declines, or sharp turns, this cutting-edge solution outperforms traditional soft couplings with ease. It effectively eradicates vehicle collisions during multi-vehicle transport operations, successfully addressing and resolving critical issues such as front lifting, rear compression, and operational accidents that often occur during ascent, descent, and turning. This device ensures seamless and safe transportation, setting an unparalleled standard for reliability in the mining industry.