1results about How to "Solve performance deficiencies" patented technology

The utility model discloses a kind of quasi-zero stiffness vibration isolator based on gap elastic limiting and connecting rod coupling, belong to the technical field of vibration isolator.The quasi-zero stiffness vibration isolator includes: connecting rod mechanism, linear spring restraint component, vibration isolation plate and mounting base;Connecting rod mechanism is four equal-length connecting rods;Linear spring restraint component includes connecting spring, support spring and limit spring;Bar piece AB, AC, A'B', A'C' are connected by hinged joint connection;AA' two ends are connected by the connecting spring of horizontal placement;CC' two ends are fixed on mounting base, BB' two ends are fixedly hinged on vibration isolation plate;BC, B'C' end are connected by vertical support spring;Limit spring EF E end is fixed on mounting base, F end and the inside surface of vibration isolation plate interval preset distance.Vibration isolator realizes low force transfer rate and displacement transfer rate under low-frequency excitation, connecting rod mechanism adjusts the negative stiffness of system, limit spring provides positive stiffness compensation when large displacement, expands vibration isolation bandwidth, and enhances the adaptability and stability of vibration isolator.