The hard coupling device for mine flatbed trucks is meticulously engineered to excel in the demanding and ever-changing conditions of underground tunnels. Whether your operations involve navigating steep inclines, challenging declines, or acute turns, this groundbreaking solution outperforms traditional soft couplings in every scenario. It adeptly prevents vehicle collisions during multi-vehicle transport operations, effectively addressing and solving critical issues such as front lifting, rear compression, and operational accidents that can occur during ascent, descent, and turning maneuvers. This device guarantees seamless and safe transportation, establishing an unparalleled standard for reliability and safety in the mining industry.