Air tightness dry detection equipment

The utility model discloses air tightness dry detection equipment, which comprises a detection tool, an air tightness detector and a main pressure cylinder, and is characterized in that the detection tool comprises a lower fixed plate, an upper movable plate and a guide pillar, and the output end of the main pressure cylinder is connected with the upper movable plate; a bottom sealing plate and two meter connector plugging assemblies are arranged on the upper surface of the lower fixed plate; the upper surface of the bottom sealing plate is provided with a plurality of positioning pins used for positioning the front shell of the gas meter, and the middle part of the bottom sealing plate is provided with a detection hole and is connected with an air tightness detector; a plurality of pressing rods and two wire hole plugging assemblies are arranged on the lower surface of the upper movable plate; and the two wire hole plugging assemblies are respectively used for plugging two wire holes of the gas meter front s