Smart classroom microphone hanging device

The utility model provides an intelligent classroom microphone hanging device which comprises a microphone, a length-adjustable connecting piece is installed on the outer surface of the microphone, a top disc used for being installed on an indoor ceiling is installed at the upper end of the connecting piece, two first fixing holes are symmetrically formed in the upper surface of the top disc, and two transverse rods are symmetrically arranged on the upper side of the top disc. Inserting grooves are formed in the back faces of the two transverse rods, inserting plates are inserted into the inserting grooves, second fixing holes which are vertically formed are formed in the ends, located on the outer sides of the inserting grooves, of the inserting plates, threaded through holes are formed in the sides, away from the threaded blind holes, of the lower surfaces of the transverse rods, and limiting screws used for limiting the positions of the transverse rods are in threaded connection with the interiors of the t