| 摘要 |
FIELD: mechanical engineering; protection of objects against vibration. SUBSTANCE: vibration isolator includes cylindrical spring located between support and object to be protected and rigidly connected with it, two bushes with external thread corresponding to pitch of spring which are mounted inside spring in its center portion. Besides that, vibration isolator is provided with two cylindrical permanent magnets having external threads; electromagnets are magnetized axially; vibration isolator is also provided with bellows partially filled with ferromagnetic liquid. Magnets directed towards each other by unlike poles are fitted in axial threaded holes of bushes and bellows is freely and concentrically arranged inside spring. One end of bellows is secured to support and other end is brought in contact with end of permanent magnet facing it. EFFECT: enhanced reliability. 2 cl, 1 dwg |
