BENCH FOR TESTING LENGTHY SAMPLES IN MULTI-POINT BEND Russian patent published in 2014 - IPC G01N3/20 

FIELD: test equipment.

SUBSTANCE: invention relates to test equipment, to strength tests. The bench comprises a base, a support element in the form of a pipe, loaders, installed on the inner surface of the pipe, detachable fixators of loaders on the pipe and grips arranged along the length of the sample and connected to appropriate loaders. The bench is additionally equipped with an impact mechanism, made in the form of an electromagnetic coil, an anchor, interacting with the coil, an elastic element for return of the coil into the initial position, a pusher, connected with the anchor, and a striker fixed on the pusher as capable of interaction with the surface of the pipe. On the pipe there are end plugs, and the pipe is filled with a filler.

EFFECT: bringing the test conditions near real conditions of operation of lengthy products by provision of tests under loading of a lengthy sample not only by a multi-point static bend in different directions, but by impact radial or linear waves in one or opposite directions with change of orientation of waves relative to radial directions of a sample as waves propagate via a real medium of a filler.

6 cl, 1 dwg