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CN-122014796-A - Rotor power vibration reduction and isolation device of rubber silicone ring and magnetorheological elastomer

CN122014796ACN 122014796 ACN122014796 ACN 122014796ACN-122014796-A

Abstract

The application relates to the technical field of vibration reduction and isolation, in particular to a rotor power vibration reduction and isolation device of a rubber silicone ring and a magnetorheological elastomer, which aims to solve the problem that the initial rigidity support and vibration reduction of the vibration reduction and isolation device are difficult to maintain under the condition that an exciting coil has no magnetic field intensity. The design comprises a three-ring squirrel cage device, wherein a rubber silicone oil ring device is arranged in the three-ring squirrel cage device, a magnetic component is arranged outside the three-ring squirrel cage device, and the rubber silicone oil ring device and the magnetic component are fixedly installed through the three-ring squirrel cage device. The application combines the viscoelasticity and the silicone oil flow characteristic of the rubber silicone ring and the magnetoconductivity of the magnetorheological elastomer, creatively realizes the efficient vibration energy dissipation of the multi-mechanism cooperation, remarkably enhances the adaptability to broadband vibration, optimizes the vibration reduction and isolation effect by dynamically adjusting the rigidity and the damping of the system, and overcomes the problem of insufficient adaptability of the prior art under complex vibration working conditions.

Inventors

  • YANG JIE
  • ZHAO CHE
  • WANG QI
  • CHEN RONGHUA
  • WANG HONGLIANG

Assignees

  • 常州工学院

Dates

Publication Date
20260512
Application Date
20260316

Claims (6)

  1. 1. The dynamic vibration reduction and isolation device for the rotor comprises a three-ring squirrel cage device (1) and is characterized in that the rubber silicone oil ring device is arranged in the three-ring squirrel cage device (1), a magnetic component is arranged outside the three-ring squirrel cage device (1), the rubber silicone oil ring device and the magnetic component are fixedly installed through the three-ring squirrel cage device (1), the three-ring squirrel cage device (1) comprises an outer ring layer (101), a supporting ring layer (102) and an inner ring layer (103), and flanges (104) are fixedly installed on the back surfaces of the outer ring layer (101), the supporting ring layer (102) and the inner ring layer (103) together.
  2. 2. The rotodynamic vibration reducing and isolating device of a rubber silicone ring and a magnetorheological elastomer according to claim 1, wherein the rubber silicone ring device comprises two rubber cavities (10) respectively installed between an outer circular layer (101), a supporting circular layer (102) and an inner circular layer (103), and silicone oil (9) is arranged in each rubber cavity (10).
  3. 3. The rotor power vibration reduction and isolation device of the rubber silicone ring and the magnetorheological elastomer, which is disclosed in claim 1, is characterized in that the magnetic assembly comprises an exciting coil shell (8), an exciting coil (2) is arranged in the exciting coil shell (8), the magnetorheological elastomer (3) is arranged in the exciting coil (2), and a magnetism isolation ring (5) is arranged in the magnetorheological elastomer (3).
  4. 4. The rotodynamic vibration reducing and isolating device of rubber silicone rings and magnetorheological elastomers according to claim 1, wherein the bearing (4) is fixedly arranged on the inner wall of the supporting annular layer (102), and a shaft neck (6) is rotatably arranged in the bearing (4).
  5. 5. The rotor power vibration reduction and isolation device for the rubber silicone ring and the magnetorheological elastomer, which is disclosed in claim 1, is characterized in that a group of rectangular through holes (105) are formed in the outer surfaces of the outer ring layer (101), the supporting ring layer (102) and the inner ring layer (103), and two groups of bolt holes (106) are formed in the left side surface of the outer surface of the flange plate (104).
  6. 6. The rotor power vibration reduction and isolation device of the rubber silicone ring and the magnetorheological elastomer, which is disclosed in claim 1, is characterized in that a sealing ring (7) is clamped on the inner wall of the supporting annular layer (102).

Description

Rotor power vibration reduction and isolation device of rubber silicone ring and magnetorheological elastomer Technical Field The invention relates to the technical field of vibration reduction and isolation, in particular to a rotor power vibration reduction and isolation device of a rubber silicone ring and a magnetorheological elastomer. Background The vibration reduction and isolation technology is widely applied to mechanical rotor systems, but most of paths in the prior art independently adopt rubber, magnetorheological elastomer or silicone oil as core parts, so that the multi-frequency-band vibration control capability is insufficient, high-frequency and low-frequency vibration absorption is difficult to achieve, the requirements of complex vibration sources cannot be met, the service life and poor stability of equipment are limited due to rubber aging, silicone oil leakage and the dependence of the magnetorheological elastomer on an external control system, and in addition, the magnetorheological elastomer system needs complex control devices, so that the design difficulty and the economic cost are increased, and the practical application and popularization are influenced. In order to overcome the defect that the existing active and passive vibration control technology cannot effectively inhibit the broadband low-frequency linear spectrum vibration of a rotor system, the invention provides the vibration isolator which not only can realize automatic frequency modulation of the system and dissipation and isolation of vibration energy, but also can realize the functions of supporting and damping the initial rigidity of the vibration isolator even under the condition that an exciting coil has no magnetic field intensity. Disclosure of Invention The invention aims to provide a rotor power vibration reduction and isolation device of a rubber silicone ring and a magnetorheological elastomer, which solves the problem that the original rigidity supporting and vibration reduction effects of the vibration reduction and isolation device are difficult to maintain under the condition that an exciting coil has no magnetic field intensity in the background art. The rotor dynamic vibration reduction and isolation device comprises a three-ring squirrel-cage device, wherein the rubber silicone oil ring device is arranged in the three-ring squirrel-cage device, a magnetic component is arranged outside the three-ring squirrel-cage device, the rubber silicone oil ring device and the magnetic component are fixedly installed through the three-ring squirrel-cage device, the three-ring squirrel-cage device comprises an outer ring layer, a supporting ring layer and an inner ring layer, and flanges are fixedly installed on the back surfaces of the outer ring layer, the supporting ring layer and the inner ring layer together. Preferably, the rubber silicone ring device comprises two rubber cavities which are respectively arranged between the outer circular ring layer, the supporting circular ring layer and the inner circular ring layer, and silicone oil is arranged in each rubber cavity. Preferably, the magnetic component comprises an exciting coil shell, an exciting coil is arranged in the exciting coil shell, a magnetorheological elastomer is arranged in the exciting coil, and a magnetism isolating ring is arranged in the magnetorheological elastomer. Preferably, the inner wall of the supporting circular ring layer is fixedly provided with a bearing, and the inside of the bearing is rotatably provided with a shaft neck. Preferably, a group of rectangular through holes are formed in the outer surfaces of the outer ring layer, the supporting ring layer and the inner ring layer, and two groups of bolt holes are formed in the left side surface of the outer surface of the flange plate. Preferably, the inner wall of the supporting circular ring layer is clamped with a sealing ring. Compared with the prior art, the invention has the beneficial effects that the viscoelasticity and the silicone oil flow characteristic of the rubber silicone ring and the magneto viscoelasticity of the magnetorheological elastomer are combined, the multi-mechanism synergistic efficient vibration energy dissipation is innovatively realized, the design remarkably enhances the adaptability to broadband vibration, and the vibration reduction and isolation effect is optimized by dynamically adjusting the rigidity and the damping of the system, so that the problem of insufficient adaptability of the prior art under complex vibration working conditions is solved. The three-ring squirrel cage device is adopted, the rectangular through hole structure of the optimal design of the three-ring squirrel cage device improves flexibility and vibration damping performance, ensures enough supporting strength, avoids the risk of failure caused by insufficient strength of the traditional device, effectively prevents magnetic field leakage due to the design of the magnetis