Supporting and protecting device for methane detection sensor

The utility model discloses a methane detection sensor support protection device, including protection box, spacing groove, sensor body and back plate, the protection box outside is movably provided with the protection door through the shaft, the protection door outside is inlayed with the transparent plate, the bottom of the protection door outside is provided with the spacing hole, and the spacing groove is provided with the spacing hole. Limiting holes are formed in the protection box, the limiting holes are symmetrical about the center position of the protection door, a mounting block is fixed to the bottom of the interior of the protection box, a limiting piece is movably arranged outside the mounting block through a shaft, and the limiting piece penetrates through the limiting holes and is perpendicular to the limiting holes. According to the utility model, the sensor body is placed inside the protection box, then the protection door is covered outside the protection box, and the limiting piece is inser