FIELD: mechanisms.
SUBSTANCE: trolley is equipped with anti-vibration system including flexible element, guiding mechanism and mechanism of damping of structural elements which are assembled kinematic circuit to drive system in preset direction. System is placed in working space and connected to bogie frame and car body. Elastic element parameters control signal is generated and activated. Local kinematic chain is assembled, which is compactly placed in working space and connected to system parallel to effect of kinematic chain, movably connecting input and output structural elements of local circuit, respectively, with frame and body without increasing structural redundancy of kinematic chain. Additional elastic element is assembled in form of interchangeable springs with adjustable alternating rigidity and connected to frame and input element of local circuit without increasing working space in preset direction of motion. Total stiffness of both resilient elements in preset direction is minimized.
EFFECT: higher quality of damping in wide range of infra frequencies.
3 cl, 12 dwg, 1 tbl
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