Wear whole gas drainage hole sealing device of layer drilling disconnect -type

The utility model discloses a wear whole gas drainage hole sealing device of layer drilling disconnect -type, the device includes: the drilling in the coal seam is established to the brill, the drilling top is at the drilling air chamber of the formation in 21 coal seams, be provided with the hole sealing pipe in the drilling air chamber inner chamber, the drilling lower extreme is provided with down the hole sealing pipe, overlap on the pipe wall the that upward hole sealing was managed and be equipped with hole sealing pipe fixing device, go up the hole sealing pipe and send into the upper portion of drilling air chamber through push rod, be provided with bag and lower bag in the cavity that the interior pipe wall of the hole sealing outer pipe wall of managing and the air chamber of holing formed down, the middle cavity packing of going up bag and bag haustration down has the inflation thick liquids, be equipped with the slip casting pipe down on the hole sealing pipe, pour into theinflation thick liquids