The mechanical forest fire-extinguishing system has fast fire-extinguishing speed and high efficiency to reduce fire caused loss. The system includes two belt conveyers and showering device; each of the belt conveyers includes at least one piece of water belt with unions at its two ends; the two belt conveyers are connected via suspension board with suspension lugs, pipes and unions at the two ends of the pipes; the showering device is connected to the second belt conveyer and has also suspension lugs. Into the system, water tank, booster pump and monitor may be added. The present invention is suitable for extinguishing forest fire. |