BENCH FOR ENERGY EXCHANGE INVESTIGATION IN BLOCK ROCK MASSIF

摘要

FIELD: testing equipment.;SUBSTANCE: bench for energy exchange investigation in a block rock massif comprises a support frame, a grip for a sample and a grip for a countersample placed in it, a hydraulic mechanism of mutual pressing of samples connected to the sample grip, a hydraulic mechanism of mutual displacement of samples connected with the countersample grip, hydraulic accumulators of energy connected with mechanisms of pressing and displacement, and sources of pressure connected with accumulators. The bench is equipped with pressure pulsators connected to appropriate accumulators. Each of pulsators is made in the form of a hydraulic cylinder with a stem, the under-piston cavity of which is connected to the appropriate accumulator, an eccentric in the form of a cone kinematically connected with the stem of the hydraulic cylinder, a shaft of eccentric rotation installed with the possibility of axial displacement, a drive of shaft rotation and a drive of axial displacement of the shaft. The drive of axial displacement of the shaft is made as cyclic.;EFFECT: provision of energy exchange investigation during deformation and damage of a block rock massif under new conditions: under smooth and cyclic variations of pressing and shifting loads in one-cycle and two-cycle modes.;2 cl, 1 dwg