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 made in the form of cams 5 and 6 arranged symmetrically in respect to rocker arm turning axis. Cams are spaced 180 deg. apart, rotate in opposite directions, and are engageable with rollers. Position of stops and rollers through height and profile of cams are adjustable. Shock pulses are shaped during collision of stops with shock absorbers 9, 10 of brake mechanism mounted on bed 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 pre-shock speed, frequency, and length of linear acceleration pulses. 1 dwg