| 摘要 |
<p>The present invention relates to a gate device for coal mining of a weighing hopper having a dust scattering prevention function, which prevents coal powder, dust, and hume from leaking during the coal mining work of a weighing hopper. The gate device for coal mining of a weighing hopper having a dust scattering prevention function according to an embodiment of the present invention comprises: a cover which has a cylinder insertion hole on the plane and is installed on the outer surface of a coal bin hopper to seal the top of the weighing hopper; a sleeve which is installed on the bottom of the coal bin hopper; a gate which is installed on the bottom of the sleeve and opens and closes the sleeve; a cylinder which is installed on the outer surface of the coal bin hopper and has a rod, wherein the rod, which is extended, is coupled to the outer surface of the gate through the cover; and a sealing unit of which one side adheres to the outer surface of the rod to seal the cylinder insertion hole and the other side is coupled to the plane of the cover to be stretched and contracted in corresponding to the operation of the cylinder.</p> |
