The Hard Connection Device for Mine Flatbed Trucks is meticulously engineered to excel in the demanding and ever-changing conditions of underground tunnels. Its innovative design ensures superior performance on inclines, declines, and sharp turns where traditional soft couplings often fail. This state-of-the-art solution effectively eliminates vehicle collisions during multi-vehicle transport operations, addressing and resolving pivotal issues such as front lifting, rear compression, and operational accidents that commonly occur during ascent, descent, and turning. This device guarantees seamless, safe, and reliable transportation, setting a new benchmark for efficiency and dependability in the mining industry.