INSTALLATION FOR FATIGUE TESTS Russian patent published in 2009 - IPC G01N3/32 

FIELD: instrument making.

SUBSTANCE: invention relates to test equipment. The proposed installation contains the horizontal support, at least, two vertical guides arranged thereon, two parallel frames installed above aforesaid support parallel to it. The top frame is installed in vertical guides to move vertically and to be rigidly locked, while the bottom frame is fixed on the shaft mounted in bearings, fitted on vertical guides to move vertically and to be rigidly locked therein. Each support and frame are supplied with a pair of rods with clamps for tested specimens, the clamps being fitted in the bearing assemblies. The rods of bottom frame are furnished with double number of clamps, one half of them being arranged in diametrical opposition, while the frame is furnished with two additional rods with aforesaid clamps installed in separate bearing assemblies parallel to the first two clamps. All rods with clamps are arranged in parallel to and in symmetry with the bottom frame shaft at equal distance from the vertical plane of symmetry. Note here that the installation incorporates the frame vertical travel mechanism and loading mechanism, for example, a crank drive linked up with the bottom frame.

EFFECT: simpler design, higher efficiency and validity of test results.

2 dwg