| 摘要 |
FIELD: vibration-proof supports. SUBSTANCE: support has upper base 1 and lower base 2 connected respectively to object 3 to be protected and to vibrating object 4, flexible member made in form of cylindrical spring 5, DC electromagnet 6, ferromagnetic core 7 whose polarity ensures repulsion of core from coil of electromagnet 6 which is partially immersed in coil not below zone of its constant attraction; it is reciprocating relative to coil; support is also provided with analog sensor 8 fitted on upper base 1, amplitude-frequency analyzer 9 electrically connected with force sensor 8, computer 10 electrically connected with amplitude-frequency analyzer 9, amplifier-converter 11 combined with power supply unit 12 electrically connected with computer 10 in direct and reverse directions and connected in series with inductance coil of electromagnet 6. EFFECT: enhanced efficiency; avoidance of resonance modes of oscillations of object protected through automatic control of stiffness of flexible member. 2 cl, 1 dwg |
