The hard coupling device for mine flatbed trucks is meticulously engineered to excel in the rigorous and ever-changing conditions of underground mining tunnels. Whether your operations involve navigating steep inclines, challenging declines, or navigating sharp turns, this groundbreaking solution outperforms traditional soft couplings. It effectively eliminates the risk of vehicle collisions during multi-vehicle transport operations, addressing and resolving critical issues such as front lifting, rear compression, and potential operational accidents that can occur during ascent, descent, and turning maneuvers. This device ensures seamless, efficient, and safe transportation, setting an unparalleled new standard for dependability and safety in the mining industry.