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MULTIPLE-SHOCK TEST FACILITY

机译:多次测试设备

摘要

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
机译:领域:测试技术。物质:要测试的零件3的工作台2以带有止动件13的摇臂的形式制成,并且辊子7通过相对于摇臂转动轴对称布置的凸轮5和6的形式的驱动周期性地升降。凸轮间隔180度。分开,沿相反方向旋转,并与滚子啮合。挡块和滚子的位置可通过凸轮的高度和轮廓来调节。在停止器与安装在桌子底下的床的制动机构的减震器9、10发生碰撞时,会形成冲击脉冲。在发明的描述中给出了测试设备的可调设计参数与脉冲的期望参数之间的关系。效果:可以独立调节震荡前的速度,频率和线性加速度脉冲的长度。 1载重吨

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