The anti-spillage coal device of belt construction air door is striden in high negative pressure mine rubber belt conveyor lane

The utility model relates to an anti-spillage coal device of belt construction air door is striden in high negative pressure mine rubber belt conveyor lane. When the adhesive tape transportation passed the brattice, the coal dust flew upward, for this reason, the utility model discloses a main part roof-rack, both sides keep off coal board and a plurality of connecting rod, and the connecting rod is evenly fixed in rubber belt conveyor's frame both sides, and the main part roof-rack erects the top at each connecting rod to the cover is in rubber belt conveyor top, and both sides keep off the coal board and fix respectively on the connecting rod of both sides, and the side keep off coal board upper limb with and meet in main part roof-rack outer fringe, coal board lower part connected with rubber slab is kept off to the side, on the rubber slab supported the upper surface of belt on rubber belt conveyor, coal board, rubber slab on belt enclose one passageway on rubber belt conveyor was kept off to main part roof-rack, side, the passageway one end is the air intake, and is equipped with the screen, the passageway other end is the air outlet to be equipped with the net that removes dust, air outlet and air intake punishment do not are equipped with the water curtain shower. Can prevent that the coal dust from flying upward, improving operational environment, be applicable to colliery mine exploitation.