The hard coupling device for mine flatbed trucks is meticulously designed to excel in the demanding and ever-changing environment of underground tunnels. Whether you're navigating steep inclines, declines, or sharp turns, this state-of-the-art solution outperforms traditional soft couplings in every scenario. It successfully eliminates vehicle collisions during multi-vehicle transport operations, effectively addressing and resolving critical issues such as front lifting, rear compression, and operational accidents that often occur during ascent, descent, and turning maneuvers. This device guarantees seamless and secure transportation, establishing a new benchmark for reliability and safety in the mining industry.