The hard coupling device for mine flatbed trucks is masterfully engineered to excel in the rigorous and dynamic environment of underground tunnels. Designed to navigate inclines, declines, and sharp turns with ease, this cutting-edge solution surpasses traditional soft couplings, ensuring unparalleled performance and safety. By effectively eliminating vehicle collisions during multi-vehicle transport operations, it addresses and resolves critical issues like front lifting, rear compression, and operational accidents that can occur during ascents, descents, and turns. This state-of-the-art device guarantees seamless and safe transportation, setting a new benchmark for reliability and efficiency in the mining industry, making it an indispensable asset for modern mining operations.