An anti-shock active-passive hybrid vibration isolator

Abstract

The invention discloses an impact-resistant type active-passive hybrid vibration isolator. The impact-resistant type active-passive hybrid vibration isolator comprises a gasbag vibration isolator, an electromagnetic actuator, an impact-resistant spring, gasbag upper and lower bases, gasbag upper and lower cover plates, flexible magnetic conductive rubber, a permanent magnet, a radiating fin and temperature and acceleration sensors, wherein the electromagnetic actuator and the impact-resistant spring are mounted in the gasbag vibration isolator; the electromagnetic actuator comprises an armature, an iron core, the permanent magnet arranged on the iron core, the flexible magnetic conductive rubber arranged on the permanent magnet and a coil wound on the iron core; the armature is fixed on the lower base; and the impact-resistant spring is arranged between the gasbag upper cover plate and the upper base or between the electromagnetic actuator and the lower cover plate. One end of the radiating fin is around the iron core of the actuator and the coil, and the other end of the radiating fin is clung to the lower cover plate of the gasbag vibration isolator; and the temperature sensor and the acceleration sensor are arranged in the gasbag vibration isolator. The impact-resistant type active-passive hybrid vibration isolator is good in impact resistance, high in reliability, low in energy consumption, low in cost, small in space usage and can be used for efficient vibration isolation of mechanical equipment and mechanical systems in the industrial field and the civilian field, especially the ship and warship field.

Description

technical field [0001] The present invention relates to the field of mechanical equipment vibration isolation, in particular to the field of active and passive hybrid vibration isolation of mechanical equipment, and in particular to a device that can carry the weight of equipment, reduce the broadband vibration transmission of equipment, control low-frequency line spectrum vibration, and prevent equipment from being tilted, swayed, An impact-resistant active-passive hybrid vibration isolator that damages the structure of the actuator caused by impact. Background technique [0002] Controlling the vibration caused by mechanical equipment to meet the standard requirements is the key to the design of industrial, civil, and especially marine mechanical systems. The use of vibration isolation devices is one of the most effective ways to reduce the vibration transmission of equipment. The active-passive hybrid vibration isolation device installs the passive vibration isolator, th...

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Problems solved by technology

"Active-Passive Hybrid Vibration Isolator" (Patent No. 201210198889.X) adopts the airbag vibration isolator to carry the weight of the equipment and isolate the broadband vibration of the equipment. At the same time, the actuator is used to isolate the line spectrum vibration of the equipment. It has excellent vibration isolation performance, occupies a small space, and Easy installation and other advantages, but it does not have a special impact-resistant design. When the device is subjected to external strong impact, the electromagnetic actuator in the active-passive hybrid vibration isolator may be damaged or even fail to function.

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