Automatic water replenishing device for explosion-proof water tank

The utility model discloses an automatic water replenishing device for an explosion-proof water tank, which comprises a water supply pipeline arranged above the explosion-proof water tank, and a control mechanism arranged on the water supply pipeline and capable of controlling whether the water supply pipeline supplies water or not according to the pressure in the water supply pipeline, the water outlet end of the water supply pipeline is provided with a plugging mechanism which can rise along with the liquid level in the explosion-proof water tank and plug the water outlet end, when the liquid level in the explosion-proof water tank reaches a certain height, the plugging mechanism plugs the water outlet end of the water supply pipeline, the pressure in the water supply pipeline rises, and the control mechanism controls the water supply pipeline to stop supplying water. According to the utility model, automatic water replenishing in the maintenance process of the mine explosion-proof water shed can be realize