Earthquake simulator

Details Earthquake simulator Earthquake simulator

B - Operations, Transporting

06

B

74/15, 341/71

B06B 1/10 (2006.01) G09B 9/00 (2006.01)

Patent

CA 1077302

EARTHQUAKE SIMULATOR Abstract An earthquake simulating machine has a vibrating plat- form mounted in a frame. The platform is driven by a hy- draulic piston which reciprocates the platform through a lever system having a mechanical advantage of about ten to one. The vibration of the platform is isolated from the frame by shock absorbing bushings which support the lever system. Shock absorbing feet may be used to support the frame. The hydraulic piston is controlled by a hydraulic circuit and by an electrical circuit which provides the input to the hydraulic circuit. A feedback circuit monitors the output vibration of the platform

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