The hard coupling device for mine flatbed trucks is meticulously engineered to excel in the challenging and dynamic conditions of underground tunnels. Whether your operation involves navigating steep inclines, sharp declines, or tight turns, this innovative solution outperforms traditional soft couplings. It proficiently eliminates vehicle collisions during multi-vehicle transport, addressing critical issues like front lifting, rear compression, and operational accidents that may occur during ascent, descent, and turning maneuvers. With this device, seamless and safe transportation is guaranteed, setting an unprecedented standard for reliability and safety in the mining industry.