Belt leaking stoppage wind device

The utility model discloses a belt leaking stoppage wind device, including the mount, be equipped with rotary angle's movable deep bead to one side in the mount, the activity deep bead is by constituteing through first movable deep bead of hinge articulated and second activity deep bead, and the up end of first movable deep bead articulates with the up end of mount rear side, lower extreme towardsthe mount front side extension of the movable deep bead of second, the bilateral symmetry of activity deep bead has set firmly the sealing member, be equipped with first fixed deep bead and the fixeddeep bead of second in proper order in the below of activity deep bead, leave the space between first fixed deep bead and second activity deep bead, be equipped with the space between first fixed deep bead and the fixed deep bead of second. The utility model discloses can freely adjust the rotation according to the volume of producing coal of belt, remain belt upper portion ventilation section minimizing throughout, not o