Coal feeding device of coal prevents to drain

The utility model discloses a performance is safe and reliable's coal feeding device of coal prevents to drain more. Including lift floodgate subassembly, drainage alarm component and channel assembly. Hydraulic piston pole upper portion is fixed on the crossbeam, and the lower part rigid coupling of flashboard and hydraulic piston pole is as an organic whole, the flashboard inlay the exit in tunnel storehouse and with the spout sliding fit of tunnel storehouse export, self -discharging water coal device adorn at tunnel storehouse top, is equipped with control flap on the drain pipe, the drain pipe links to each other with self -discharging water coal device outlet, the pressure sensor dress communicates with each other at tunnel storehouse top and with the tunnel storehouse is inside, the top at self -discharging water coal device is adorned to the alarm. Through the work of flashboard and self -discharging water coal device, make reach automatic stopping after early warning, the early warning when having th