Drilling through device

The utility model provides a drilling-through device, relates to the technical field of detection instruments, and solves the technical problem that the working efficiency is relatively low in the rock-soil exploration process in the prior art. The device comprises a standard penetrator, a drilling tool and a connecting structure, a hollow cavity is formed in the drilling tool, the standard penetrator is located in the hollow cavity, the standard penetrator is detachably connected with the drilling tool through the connecting structure, and the standard penetrator can extend out of the hollowcavity in the length direction of the drilling tool. The device is used for exploring rock and soil. 本实用新型提供了一种钻贯器，涉及检测仪器技术领域，解决了现有技术中存在的在勘探岩土过程中，工作效率比较低的技术问题。该装置包括标贯器、钻具和连接结构，其中，所述钻具内部设置有中空腔，所述标贯器位于所述中空腔且所述标贯器与所述钻具通过所述连接结构可拆卸连接，所述标贯器能沿所述钻具的长度方向伸出所述中空腔。本实用新型用于勘探岩土。