CN216867384U - Particle damping vibration isolator - Google Patents

Abstract

The utility model discloses a particle damping vibration isolator which comprises a damping layer and an elastic layer positioned below the damping layer, wherein a plurality of particle damping energy dissipation structures are arranged in the damping layer, and a plurality of suspension grooves are formed in the bottom of the elastic layer. The damping layer is provided with the particle damping energy dissipation structure, so that the vibration isolation pad has stronger energy dissipation capacity, the bottom of the elastic layer is provided with the suspension groove, the acting area of the elastic layer can be reduced, the elasticity of the elastic layer is enhanced, the damping layer and the elastic layer are combined, a good vibration isolation effect can be achieved aiming at vibration with different frequencies, and compared with the traditional vibration isolation pad, the vibration isolation pad has the advantages of good elasticity, high damping and high vibration isolation efficiency. In addition, the vibration isolation frequency range of the vibration isolation pad is wide, the application range is wide, and the vibration isolation pad is simple and reliable in structure and is beneficial to batch or customized production.

Description

Particle damping vibration isolator

Technical Field

The utility model relates to the technical field of vibration isolation and noise reduction, in particular to a particle damping vibration isolator.

Background

Vibration and noise are common phenomena in nature and engineering, and are ubiquitous in all industries. In most cases, vibration is considered a negative factor that is susceptible to many undesirable effects, such as affecting the function of precision instrumentation, reducing machining accuracy and finish, increasing fatigue and wear of components, shortening the useful life of machinery and structures, and the like. The sound is generated by vibration, and when the generated sound is not needed, the generated sound interferes with normal life, rest and work of people, or interferes with the sound to be heard by people, and the generated sound becomes noise. Both vibration and noise are liable to cause many adverse effects and even serious public nuisance, and therefore it is necessary to control vibration and reduce noise caused by vibration.

In vibration control, the vibration isolation pad has an obvious effect, has the characteristics of convenience and quickness in installation and few limiting conditions, and is widely applied to the field of vibration isolation and noise reduction. However, the existing vibration isolation pad has low vibration isolation efficiency, narrow vibration isolation frequency domain and limited vibration isolation effect, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a particle damping vibration isolator to enhance the vibration isolation efficiency.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the particle damping vibration isolator comprises a damping layer and an elastic layer located below the damping layer, wherein a plurality of particle damping energy dissipation structures are arranged in the damping layer, and a plurality of suspension grooves are formed in the bottom of the elastic layer.

Furthermore, the suspension grooves are arranged at intervals in a grid shape.

Further, the suspension groove is square or cylindrical or conical or hemispherical.

Preferably, the elastic layer is a rubber layer.

Furthermore, the elastic layer and the damping layer are mutually bonded or connected through a clamping hoop.

Furthermore, the damping layer comprises a metal shell and a plurality of damping particles, the metal shell comprises a bottom plate, side plates and an inner partition plate, the side plates are arranged on the top of the bottom plate around the edges of the bottom plate, the inner partition plate is arranged on the top of the bottom plate at intervals and matched with the bottom plate and the side plates to form a plurality of containing cells, the damping particles are filled in part of the containing cells, and any containing cell and the damping particles filled in the containing cell are combined to form the particle damping energy dissipation structure.

Furthermore, any two accommodating cells filled with damping particles are not adjacent to each other.

Furthermore, a clamping groove for clamping the elastic layer is formed below the bottom plate.

Further, the damping particles are formed by mixing metal particles and non-metal particles. According to actual conditions, metal particles and non-metal particles are arranged in different proportions in each accommodating cell, so that vibration isolation is better performed.

Furthermore, the metal shell is fixed with the structure to be isolated by bolts.

The utility model has the following beneficial effects:

1. be equipped with granule damping power consumption structure in the middle of the damping layer, can make the vibration isolator have stronger power consumption ability, and the suspension groove is seted up to the elastic layer bottom, can reduce the area of exerting oneself of elastic layer to this reinforcing elastic layer's elasticity, damping layer and elastic layer double-phase combine, can play good vibration isolation effect to the vibration of different frequencies, compare in traditional vibration isolator, have that elasticity is good, the damping is high, the efficient advantage of vibration isolation.

2. The vibration isolation frequency range is wide, the application range is wide, the structure is simple and reliable, and batch or customized production is facilitated.

3. The porosity, filling rate and proportion of the damping particles can be selectively adjusted according to actual requirements so as to realize different damping effects.

4. Can enrich the product types of the vibration isolator.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the damping layer structure of the present invention.

Fig. 3 is a sectional view of the structure along the line A-A in fig. 2.

Fig. 4 is a bottom view of the elastic layer of the present invention.

Description of the main component symbols: 1. an elastic layer; 2. a suspension groove; 3. a damping layer; 4. a metal housing; 5. a base plate; 6. a side plate; 7. an inner partition plate; 8. a containing area grid; 9. a card slot; 10. damping particles; 11. particle damping energy dissipation structure.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description.

As shown in fig. 1-4, the utility model discloses a particle damping vibration isolator, which comprises a damping layer 3 and an elastic layer 1 positioned below the damping layer 3, wherein a plurality of particle damping energy dissipation structures 11 are arranged in the damping layer 3, and a plurality of suspension grooves 2 are arranged at the bottom of the elastic layer 1.

The suspension grooves 2 are arranged at intervals in a grid shape. The suspension channel 2 is preferably square or cylindrical or conical or hemispherical. Including but not limited to square, cylindrical, prismatic, conical, elliptical conical, pyramidal, hemispherical, or other shaped, etc. The elastic layer 1 is a rubber layer. Rubber is the preferred material for making the vibration isolator, but the rubber material is almost incompressible, and the elasticity is limited as elastic layer 1, and after hanging groove 2 is opened, the material advantage of rubber can be kept, the acting area of elastic layer 1 can be reduced, and the elasticity is increased. The elastic layer 1 and the damping layer 3 are mutually bonded or connected through a clamping hoop.

Damping layer 3 includes metal casing 4 and a plurality of damping particle 10, metal casing 4 includes bottom plate 5, curb plate 6 and interior baffle 7, curb plate 6 sets up at bottom plate 5 top around 5 edges of bottom plate, interior baffle 7 interval sets up at bottom plate 5 top to with bottom plate 5, the cooperation of curb plate 6 forms a plurality of holding district check 8, damping particle 10 fills in some holding district check 8, any holding district check 8 and the damping particle 10 combination of filling inside constitute granule damping power consumption structure 11. Any two accommodating cells 8 filled with damping particles 10 are not adjacent to each other. A clamping groove 9 for clamping the elastic layer 1 is arranged below the bottom plate 5. The damping particles 10 are composed of metal particles mixed with non-metal particles. According to actual requirements, damping particles 10 with different porosities can be selected, the filling rate of the damping particles 10 is adjusted, and the specific ratio of metal particles to nonmetal particles is adjusted, so that different damping effects can be realized.

The metal shell 4 is fixed with the structure to be isolated by bolts. The arrangement and distribution of the accommodating cells 8 are not particularly required, and may be parallel as shown in fig. 3, or may be selected otherwise. After the metal shell 4 is fixed to the position to be vibration-isolated, the openings at the top of each accommodating cell 8 are matched with the surface of the position to be vibration-isolated, so as to form a closed cavity for assisting the damping particles 10 to dissipate energy. Similarly, a cover plate may be disposed on the top of each accommodating cell 8, so that each accommodating cell 8 has a closed cavity therein. The metal housing 4 is typically fixed to the upper part of the structure to be vibration isolated and the resilient layer 1 is typically arranged above the lower part of the structure to be vibration isolated.

When vibration occurs, the elastic layer 1 deforms to drive the damping particles 10 in the damping layer 3 to collide with dissipation energy, the vibration isolation frequency range of the whole vibration isolation pad is wide, the efficiency is high, and a good vibration isolation effect can be achieved for vibration with different frequencies. The vibration isolator can enrich the types of the vibration isolator products, has simple and reliable structure and wider application range, and is favorable for batch or customized production.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. A particle damping vibration isolator, comprising: the damping layer is arranged below the damping layer, a plurality of particle damping energy dissipation structures are arranged in the damping layer, and a plurality of suspension grooves are formed in the bottom of the elastic layer.

2. A particle damped vibration isolator as claimed in claim 1, wherein: the suspension grooves are arranged at intervals in a grid shape.

3. A particle damped vibration isolator as claimed in claim 1, wherein: the suspension groove is square or cylindrical or conical or hemispherical.

4. A particle damped vibration isolator as claimed in claim 1, wherein: the elastic layer is a rubber layer.

5. A particle damped vibration isolator as claimed in claim 1, wherein: the elastic layer and the damping layer are mutually bonded or connected through a clamping hoop.

6. A particle damped vibration isolator as claimed in claim 1, wherein: the damping layer comprises a metal shell and a plurality of damping particles, the metal shell comprises a bottom plate, a side plate and an inner partition plate, the side plate is arranged at the top of the bottom plate around the edge of the bottom plate, the inner partition plate is arranged at the top of the bottom plate at intervals and matched with the bottom plate and the side plate to form a plurality of containing cells, the damping particles are filled in part of the containing cells, and any containing cell and the damping particles filled in the containing cell are combined to form the particle damping energy dissipation structure.

7. A particle damped vibration isolator as claimed in claim 6, wherein: any two accommodating cells filled with damping particles are not adjacent to each other.

8. A particle damped vibration isolator as claimed in claim 6, wherein: and a clamping groove for clamping the elastic layer is formed below the bottom plate.

9. A particle damped vibration isolator as claimed in claim 6, wherein: the metal shell is fixed with the structure to be isolated by the bolts.

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