REBOUND BRAKER AND IMPACT TESTER INCLUDING THE BRAKE

摘要

PURPOSE: A rebound brake and an impact tester comprising the brake are provided to effectively prevent rebounded impactor from applying further impact to a sample when an impact test is taken on the sample of a structure. CONSTITUTION: A rebound brake(100) comprises a stopper(2), a switch(3), a pin(9), and a flexible tension wire(8). The stopper bears force that by a first spiral spring(4) wound on a first fixing pin(6) installed on one end of the stopper, the other end of the stopper externally moves around the first fixing pin. The switch bears force that by a second spiral spring(5) wound on a second fixing pin(7) installed on one end of the switch, the other end of the switch externally moves around the second fixing pin. The central part of the flexible tension wire surrounds the pin. One end of the flexible tension wire is connected to the other end of the stopper.