Underground mine drainage hole protection device

The utility model provides an underground mine drain hole protection device. The underground mine drain hole protection device comprises a supporting plate and a protection rod fixed to the bottom of the supporting plate. Wherein the supporting plate is erected on the ground of the outer edge of a drainage hole to be protected, and the protection rod extends into the drainage hole to protect the drainage hole. According to the underground mine drain hole protection device, the problem that an existing idle drain hole is prone to being blocked and is scrapped can be solved. 本实用新型提供一种地下矿山泄水孔防护装置，包括支撑板和固定在所述支撑板的底部的防护杆；其中，所述支撑板架设在待防护泄水孔的外沿地面上，所述防护杆延伸至泄水孔的内部以对泄水孔进行防护。本实用新型提供的地下矿山泄水孔防护装置能够解决现有的闲置泄水孔容易阻塞造成报废的问题。