FIELD: machine building.
SUBSTANCE: invention refers to machine building. Vibration isolator contains a frame made in the form of two supporting horizontal plates interconnected by vertical tie-rod. Upper horizontal plate rests against the helical spring upper plane and is rigidly connected to it by means of fastening elements. Lower horizontal plate rests against the resilient damping element. Helical spring is supported by mounted on the base vibration damping element. Above the bottom horizontal plate vibration damping gasket is fixed for the vibration-insulated object installation. Helical spring comprises housing made of a helical hollow elastic steel tube. Additional resilient steel tube is installed inside the casing coaxially with a gap. In the gaps between the tubes there is a friction element. Screw solid resilient pin is set coaxially to the casing. Friction element is made in the form of a granular fill made of sintered copper-based friction material.
EFFECT: enabling increase in the vibration isolation efficiency at resonance.
1 cl, 1 dwg
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