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

FIELD: test technique. SUBSTANCE: desk 2 for mounting part to be tested is essentially rocker arm with stops 13 and rollers 7 which is periodically lifted and dropped by means of drive made in the form of cams 5 and 6 symmetrically arranged in respect to turn axis of rocker arm. Cams are spaced 180 deg. apart and are engageable with rollers. Stops are adjustable and can be moved along rocker arm; cam contour is adjustable. Shock pulses are shaped during collision between stops and shock absorbers mounted on bed 1 under desk. Relationships between adjustable design parameters of test facility and desired parameters of pulses are given in description of invention. EFFECT: provision for independent pre-shock adjustment of speed, frequency, and length of linear acceleration pulses. 1 dwg