Energy-gathering smooth blasting cap for interval charging in tunnel smooth blasting hole

The utility model discloses an energy-gathering smooth blasting cap for interval charging in a tunnel smooth blasting hole, and aims to solve the problem that the construction cost is increased due to the fact that an energy-gathering hole of an existing smooth blasting cap is easy to lose and damage through an integrated structure. The energy gathering device mainly comprises an energy gathering cavity and a fixing cap, the energy gathering cavity is of a conical hollow structure, a limiting brim extending outwards is arranged at an end opening of the energy gathering cavity, a shoulder corresponding to the limiting brim is arranged at one end of the fixing cap, and the shoulder is used for being coaxially and fixedly connected with the limiting brim. The smooth blasting cap has the advantages of being capable of being directly used without assembly, simple and convenient to use and the like. 本申请公开了一种隧道光爆孔内间隔装药用聚能光爆帽，本申请通过一体式结构，以解决现有光爆帽的聚能穴易缺失损毁，导致施工造价增加的问题。其主要包括聚能穴和固定帽，所述聚能穴为锥形中空结构且其端口处设有向外延伸限位檐，所述固定帽的一端设有与