The utility model relates to a be applied to the colliery construction of working face slip casting in the pit appurtenance, especially drill way pipe safety helmet drill way pipe safety helmet include drill way union coupling portion, drilling rod connecting portion, handle part, drill way union coupling portion, the drilling rod connecting portion are the hollow cylinder structure, the handle part is the base of fixedly connected with handle, and the base is cylindric structure, drill way union coupling portion, the other fixed mounting of drilling rod coupling part is at two circular terminal surfaces of base and be located the the central axis of base. The utility model discloses simple structure, processing preparation is convenient, and it is easy to manipulate, and with the aid of the feeding pressure of rig, it is downthehole to have replaced the manpower to go into the drill way nose, has solved time problem of hand-hole oral siphon difficulty effectively, has saved the manpower, has reduced intensity of labour, has improved labor efficiency, provides reliable safety guarantee for the construction