Testing machine fixing device

The utility model discloses a testing machine fixing device which comprises a supporting plate, the supporting plate is connected with a testing machine fixing end through a first connecting arm, a second connecting arm and a third connecting arm in sequence, and the third connecting arm is connected with the testing machine fixing end through a connecting piece arranged on the testing machine fixing end. The third connecting arm is additionally arranged between the second connecting arm and the test machine fixing end, so that the left-right swing angle of the test machine fixing end can be increased, and the left-right swing of the test machine fixing end is more flexible. 本公开揭示了一种测试机固定装置，包括支撑板，所述支撑板依次通过第一连接臂、第二连接臂和第三连接臂连接测试机固定端，所述第三连接臂通过设置于所述测试机固定端上的连接件与所述测试机固定端连接。本公开通过在第二连接臂与测试机固定端之间增加第三连接臂，能够增加测试机固定端的左右摆动角度，从而使得测试机固定端左右摆动更加灵活。