STAND FOR MEMBER DYNAMIC TESTS Russian patent published in 1995 - IPC

FIELD: test equipment. SUBSTANCE: stand has hinged on a frame lever 5 with joints 6 on its arms for the attachment to them of some ends of members 8 under test, rope system 10 fixed on frame 1 and connected with the loose ends of members 8 under test, force-energizer 19 of axial loading and mechanical vibrators 14. Owing to the fact that mechanical vibrators 14 are made with a common drive with a mechanical distribution box, the mutual phase shift of the force action of vibrators 14 and the required ripple value of members 8 under test or the full elimination of ripples are guaranteed. EFFECT: enhanced reliability of operation and simpler control of stand. 2 dwg