Quick connecting device for underground air and water pipelines of coal mine

The utility model discloses a coal mine underground air and water pipeline quick connecting device which comprises a connecting pipe, a plurality of connecting ports are arranged on one side of the connecting pipe, one end of the connecting pipe is communicated with an air and water pipe through a flange, and a slag blocking plate is vertically arranged at the other end of the connecting pipe. When in use, the connecting pipe is good in sealing performance, simple in manufacturing process, low in production cost, flexible and convenient, has multiple functions, meets the requirement of simultaneous operation of all connecting points in an underground coal mine, and is flexible and convenient, and the models of the connecting ports can be different. 本实用新型公开了一种煤矿井下风水管路快速连接装置，包括连接管，连接管一侧设有多个连接口，连接管一端通过法兰与风水管相连通，连接管另一端垂直设有档渣板。使用时密封性良好，制作工艺简单，生产成本低，且连接口型号可以不同，一管多用，满足煤矿井下各个连接点位同时运转的要求，灵活便捷。