| 摘要 |
Testbench for investigation of key joints consists of frame with key joint mounted on it, loading bushing of which with its outer surface is rigidly connected to one end of the lever, and on the other end vertical rod is foxed, with headframe device installed over it, as vertical rod frame with hooks and slide with falling load. On the frame, under falling load installed on movable slide by vertical guides of headframe device movable platform is placed in vertical position. It is installed on compressed springs and in the lower position is fixed with lever-holder in such way that at impact on lever falling load interacts with lever-holder with release of compressed springs that go out and lift in vertical direction movable platform and in vertical direction movable slide with falling load from the lever. |
