Knocking hammer for engineering quality detection

The utility model discloses a knocking hammer for engineering quality detection, which relates to the technical field of knocking detection and comprises a hammer handle body, the top of the hammer handle body is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with a hammer head body, the bottom of the hammer handle body is in threaded connection with a connecting shaft, and the bottom of the connecting shaft is in threaded connection with a protective handle. An infrared measuring device is fixedly connected to one side of the protective handle, the hammer handle body comprises a hammer handle shell, a display lamp is fixedly installed in the hammer handle shell and penetrates through the hammer handle shell, a supporting frame is fixedly connected to the interior of the hammer handle shell, and a battery bin body is fixedly connected to the position, located on the inner side of the hammer handle shell, below the supporting frame. The safety engineering quality de