The Advanced Hard Connection Device for Mining Flat Cars is meticulously engineered to excel in the rigorous and ever-changing environment of underground tunnels. This state-of-the-art device is designed to seamlessly handle inclines, declines, and sharp turns, surpassing the limitations of traditional soft couplings. By effectively preventing vehicle collisions during multi-vehicle transport operations, it addresses and resolves critical safety issues including front lifting, rear compression, and operational accidents that can occur during ascent, descent, and turning. This innovative solution guarantees seamless and secure transportation, establishing a new benchmark for reliability and safety in the mining industry.