Mine safety measuring device

The utility model discloses a mine safety measuring device which comprises a movable base, a supporting cavity is formed in the movable base, a top plate is arranged above the supporting cavity, threaded rods are rotationally arranged on the surface and the back face of the movable base, threaded sleeves penetrate through the surfaces of the threaded rods in a threaded mode, and the threaded sleeves are sleeved with threaded rods. A movable rod is hinged to the surface of the first movable clamp, and second movable clamps are fixedly connected to the two sides of the bottom of the supporting cavity. Through matched use of the threaded rod, the first movable clamp, the movable rod, the air pump, the ejector rod, the piston and the ejector plate, the whole device can be adjusted to be in a horizontal state in time after being moved into a mine, meanwhile, the adjusting mode is simple and convenient, and the situation that a worker lifts the whole device to a certain height and then screws a fastening nut is avo