Drop hammer impact testing machine and testing method thereof

• Main Authors: WU YONGZHENG, FU YUKAI, ZHOU PENGHE
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention provides a drop hammer impact testing machine and a testing method, the testing machine comprises a frame, a lifting device, a hammer grabbing and disengaging device and a hammer body assembly, the frame is provided with a vertically arranged track, the hammer grabbing and disengaging device and the hammer body assembly are slidably arranged on the track, and the hammer body assembly is in magnetic attraction connection with the hammer grabbing and disengaging device; the hammer body assembly is provided with an impact force detection device used for obtaining impact force information of the hammer body assembly. The lifting device is connected with the hammer grabbing and disengaging device and used for driving the hammer grabbing and disengaging device to move along the track. The testing machine further comprises a displacement detection device and a control system. The displacement detection device is used for obtaining displacement information of the test piece in the impact process. The co