MULTIPLE-SHOCK TEST FACILITY Russian patent published in 1994 - IPC

FIELD: test technique. SUBSTANCE: desk 2 for part 3 to be tested made in the form of rocker arm with stops 13 and rollers 7 is periodically lifted and dropped by drive built up of cams 5 and 6 symmetrically arranged in respect to rocker turn axis. Cams are spaced 180 deg. apart, rotate in opposite directions, and are engageable with rollers. Position of rollers and stops is adjustable through height; stops are movable and adjustable rocker. Shock pulses are shaped in collision of stops and shock absorbers 9, 10 of brake mechanism mounted on bed 1 under desk. Relations between adjustable design parameters of test facility and desired parameters of pulses are given in description of invention. EFFECT: provision for independent regulation of pres-shock speed, frequency, and length of linear acceleration pulses. 1 dwg