Introducing the hard coupling device for mine flatbed trucks, masterfully engineered to excel in the most challenging and dynamic underground tunnel conditions. Tailored for navigating steep inclines, sharp declines, and tight turns, this groundbreaking solution outperforms traditional soft couplings. It effectively mitigates the risk of vehicle collisions during multi-vehicle transport operations by addressing and resolving the critical issues of front lifting, rear compression, and operational accidents that typically occur during ascent, descent, and turning. Our device guarantees seamless, safe transportation, setting an unparalleled standard for reliability and safety in the mining industry, ensuring your operations run smoothly and efficiently.