Wind blocking device for underground mine

The utility model provides an underground mine wind blocking device which comprises a wind blocking gate arranged on a cross section of a roadway to be subjected to wind blocking, one side of the wind blocking gate is connected with the side wall of one side of the roadway to be subjected to wind blocking in a rotating mode, and the other side of the wind blocking gate is fixed to the side wall of the other side of the roadway to be subjected to wind blocking through a locking piece. In addition, a small passing door is arranged on the large air blocking door. The underground mine choke device provided by the utility model can solve the problem of resource waste caused by large ventilation quantity of the conventional infrequently-used roadway. 本实用新型提供一种地下矿山阻风装置，包括设置在待阻风巷道的一横截面上的阻风大门，所述阻风大门的一侧与所述待阻风巷道的一侧侧壁转动连接，所述阻风大门的另一侧通过锁紧件与所述待阻风巷道的另一侧侧壁固定；并且，在所述阻风大门上设置有通行小门。本实用新型提供的地下矿山阻风装置能够解决现有的不常用的巷道通风量大从而造成资源浪费的问题。