Patent ID: 9222860
Filing Date: 2015-12-29
Classification: G01M,G01N

Abstract:
1. A tapping hammer for tapping test, comprising a hammerhead and a handle supporting the hammerhead, the tapping hammer further comprises an alarm, a power source and a conductor, wherein, a hollowed-out region is provided in interior of the hammerhead and the hammerhead is elastically deformable, the hammerhead is electrically connected to a first electrode of the power source; the conductor is fixed in the interior hollowed-out region of the hammerhead, the conductor is not electrically connected to the hammerhead while no tapping force is exerted on the hammerhead, and the conductor is electrically connected to the hammerhead while a tapping force larger than a certain amount is exerted on the hammerhead; and a first electrode of the alarm is connected to the conductor, a second electrode of the alarm is connected to a second electrode of the power source.