| abstract |
The utility model discloses a kind of coal mine safety monitoring devices, including shell, gas detecting instrument ontology and electric connection column, the gas detecting instrument ontology is mounted on the middle position of shell, gas detecting instrument ontology lower end middle position is equipped with the first link slot, and first is plugged with LED display by borded pile spiral inside link slot, two sides on the shell positioned at gas detecting instrument ontology are equipped with the second link slot, the electric connection column spiral is plugged on inside the second link slot, the upper surface for being electrically connected column and the upper surface of LED display are mounted on borded pile, the electric connection column lower end is equipped with connection sleeve, shell back side upper end is connected with plate by connecting rod, the plate bottom face is movably installed with deflecting plate by shaft, the shaft front end face, which is equipped with, dials handle, the shell Body two sides are inlaid with lever pad.The utility model has many advantages, such as portable carrying, safety monitoring, flexibly detection, easy to operate, easy to use. |