CN111945553A - Modified high damping composite rubber bearing - Google Patents

Abstract

The invention discloses a modified high-damping composite rubber bearing, which comprises an upper connecting plate, a lower connecting plate, a rubber laminated support assembly, and an energy-absorbing damping assembly. hole, the energy absorption damping component is installed inside the through hole, the upper connecting plate is installed on the upper end of the rubber laminated support component, and the lower connecting plate is installed on the lower end of the rubber laminated support component. laminate. In the present invention, mutually stacked rubber elastic columns are arranged between adjacent two groups of rubber laminates, so as to increase the elastic effect between the rubber laminates, improve the damping characteristics of the rubber support, and a limiting component is arranged between the laminate plates , through the limiting effect between the upper limit column and the lower limit column, the rubber is prevented from being damaged due to excessive extrusion, and a spring is arranged between the upper limit column and the lower limit column to further enhance the elastic effect between the laminated plates, thereby Improved damping characteristics of rubber mounts.

Description

Modified high damping composite rubber bearing

technical field

The invention relates to the technical field of rubber bearings, in particular to a modified high-damping composite rubber bearing.

Background technique

At present, bearings for bridges and buildings are generally made of natural rubber, and bearings with high damping generally use lead-core rubber bearings, that is, one or more lead cores are added inside the natural rubber bearings; however, although lead The core rubber bearing has high damping and good protection effect, but because lead is a heavy metal, it will cause pollution to the environment during use, and will harm the health of workers in the production process, which does not meet the requirements of green environmental protection; and its self-recovery ability It is weak and has a narrow vibration isolation frequency band, and the bearing made of natural rubber is prone to large deformation when the outside world is subjected to excessive impact force, causing the rubber to deform excessively and be damaged.

SUMMARY OF THE INVENTION

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an object of the present invention is to propose a modified high-damping composite rubber bearing, which uses an energy-absorbing damping component to replace the lead core, so as to avoid environmental pollution caused by the lead core, and by increasing the rubber laminated bearing component The elastic bearing capacity between the rubber bearings improves the damping characteristics of the rubber bearing, and a limit component is set to prevent the rubber material from being excessively deformed and damaged due to excessive force.

A modified high-damping composite rubber support according to an embodiment of the present invention includes an upper connecting plate, a lower connecting plate, a rubber laminated support assembly, and an energy absorption damping assembly. a through hole running through the upper and lower sides, the energy absorption damping component is installed inside the through hole, the upper connecting plate is installed on the upper end of the rubber laminated support component, and the lower connecting plate is installed on the rubber laminated support The lower end of the seat assembly, the rubber laminated support assembly includes a rubber laminated layer and a laminated plate, and the rubber laminated support assembly is formed by stacking a plurality of the rubber laminated layers and a plurality of the laminated plates alternately up and down The upper end surface and the lower end surface of the rubber laminate are evenly provided with rubber elastic columns, the rubber elastic columns and the rubber stack are integrally formed, and the laminated plate is provided with rubber elastic columns at the positions corresponding to the rubber elastic columns A column installation groove, the rubber elastic column is installed inside the rubber elastic column installation groove, and two groups of rubber elastic columns are stacked symmetrically up and down inside each group of the rubber elastic column installation groove.

Preferably, a limit component installation groove is set between the two adjacent groups of the rubber elastic columns in the same row, and a limit component is installed inside the limit component installation groove, and the limit component is connected to the laminated board.

Preferably, the limiting component includes an upper limiting column and a lower limiting column, the upper limiting column is connected to the upper end of the laminated board, the lower limiting column is connected to the lower end of the laminated board, and the limiting component It is formed by stacking the upper limit column and the lower limit column provided on two adjacent laminated boards. The lower limit post provided below the laminated board is connected.

Preferably, the vertical section of the upper limit post is a concave shape, the vertical section of the lower limit post is a convex shape adapted to the upper limit post, and a spring is nested on the outer side of the lower limit post.

Preferably, the vertical section of the rubber elastic column is U-shaped, and the side with the larger inner diameter of the rubber elastic column is connected to the rubber stack.

Preferably, a rubber gasket is installed on the inner wall of the installation groove of the rubber elastic column to prevent the rubber elastic column from being in hard contact with the laminated board.

Preferably, the energy-absorbing damping component comprises a casing, an energy-absorbing composite material composed of porous nanomaterials and a matrix liquid, and a solid shaft, the solid shaft is installed in the middle of the inner side of the casing, and the casing is connected to the solid shaft. The energy absorbing composite material is filled between the shafts.

Preferably, the shell and the solid shaft are both shape memory alloys.

In the present invention, mutually stacked rubber elastic columns are arranged between adjacent two groups of rubber laminates, so as to increase the elastic effect between the rubber laminates, improve the damping characteristics of the rubber support, and set a limited space between the laminate plates The assembly prevents the rubber from being damaged due to excessive extrusion through the limiting action between the upper limit column and the lower limit column, and a spring is arranged between the upper limit column and the lower limit column to further enhance the elastic effect between the laminated plates. Thereby, the damping characteristics of the rubber bearing are improved, and the lead core is replaced by an energy-absorbing damping component, so as to avoid environmental pollution caused by the lead core.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of a kind of modified high damping composite rubber bearing proposed by the present invention;

FIG. 2 is a schematic structural diagram of the rubber laminated bearing assembly proposed by the present invention;

FIG. 3 is a schematic structural diagram of a rubber laminated portion proposed by the present invention;

FIG. 4 is a schematic view of the structure of the laminated plate part proposed by the present invention.

In the picture: 1-upper connecting plate, 2-lower connecting plate, 3-rubber laminated support assembly, 4-screw, 31-rubber laminated, 32-limiting component installation groove, 33-rubber elastic column, 34- Laminated board, 35-upper limit post, 36-lower limit post, 37-rubber elastic post mounting groove, 38-spring, 51-shell, 52-energy-absorbing composite material, 53-solid shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Examples of such embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Referring to Figures 1-4, a modified high-damping composite rubber support includes an upper connecting plate 1, a lower connecting plate 2, a rubber laminated support assembly 3, an energy absorption damping assembly, and the middle part of the rubber laminated support assembly 3 There are through holes penetrating up and down, the energy absorption damping assembly is installed inside the through hole, the upper connecting plate 1 is installed on the upper end of the rubber laminated support assembly 3, the lower connecting plate 2 is installed on the lower end of the rubber laminated support assembly 3, the rubber laminated The layer bearing assembly 3 includes a rubber laminate 31 and a laminate plate 34. The rubber laminate bearing assembly 3 is formed by stacking a plurality of rubber laminates 31 and a plurality of laminate plates 34 alternately up and down. A rubber elastic column 33 is evenly arranged on the lower end surface. The rubber elastic column 33 is integrally formed with the rubber laminate 31. The laminated plate 34 is provided with a rubber elastic column installation groove 37 at the position corresponding to the rubber elastic column 33. The rubber elastic column 33 is installed on the rubber elastic column 33. Inside the elastic column installation groove 37, two sets of rubber elastic columns 33 are symmetrically stacked up and down inside each group of rubber elastic column installation grooves 37; a limit component installation groove 32 is provided between the adjacent two sets of rubber elastic columns 33 in the same row, and the limit component is installed A limit component is installed inside the slot 32, and the limit component is connected with the laminated board 34; the limit component includes an upper limit column 35 and a lower limit column 36, the upper limit column 35 is connected with the upper end of the laminated board 34, and the lower limit column 36 is connected with the stack The lower end of the laminate plate 34 is connected, and the limit component is formed by stacking the upper limit post 35 and the lower limit post 36 provided by two adjacent laminate boards 34. The lower limit post 36 arranged under the upper laminated board 34 is connected; the vertical section of the upper limit post 35 is concave, the vertical section of the lower limit post 36 is a convex shape that matches the upper limit post 35, and the lower limit post 36 A spring 38 is nested and installed on the outer side of the rubber elastic column 33; the vertical section of the rubber elastic column 33 is U-shaped, and the side with the larger inner diameter of the rubber elastic column 33 is connected with the rubber stack 31; 33 A rubber gasket in rigid contact with the laminated board 34; the energy-absorbing damping assembly includes a casing 51, an energy-absorbing composite material 52 composed of porous nanomaterials and a matrix liquid, and a solid shaft 53, which is installed in the middle of the inner side of the casing 51. , the energy-absorbing composite material 52 is filled between the shell 51 and the solid shaft 53; the shell 51 and the solid shaft 53 are both shape memory alloys; the matrix liquid is gelatin, the porous nanomaterial is graphite, and the mass ratio of graphite and gelatin is 1: (2 ~4).

To sum up, the modified high-damping composite rubber bearing is provided with mutually stacked rubber elastic columns between two adjacent groups of rubber laminations, thereby increasing the elastic effect between the rubber laminations and improving the damping of the rubber bearing. A limiter assembly is arranged between the laminated plates to prevent the rubber from being damaged due to excessive extrusion through the limiting action between the upper limit post and the lower limit post, and a spring is arranged between the upper limit post and the lower limit post , to further enhance the elastic effect between the laminated boards, thereby improving the damping characteristics of the rubber bearing, and replacing the lead core with an energy-absorbing damping component to avoid environmental pollution caused by the lead core.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a modified high damping combined material rubber support which characterized in that: the rubber laminated bearing comprises an upper connecting plate, a lower connecting plate, a rubber laminated bearing component and an energy-absorbing damping component, wherein the middle part of the rubber laminated bearing component is provided with a through hole which penetrates through the rubber laminated bearing component from top to bottom, the energy-absorbing damping component is arranged in the through hole, the upper connecting plate is arranged at the upper end of the rubber laminated bearing component, the lower connecting plate is arranged at the lower end of the rubber laminated bearing component, the rubber laminated bearing component comprises a plurality of rubber laminates and laminated plates, the rubber laminated bearing component is formed by alternately stacking the plurality of rubber laminates and the plurality of laminated plates from top to bottom, rubber elastic columns are uniformly arranged on the upper end surface and the lower end surface of each rubber laminate, the rubber elastic columns and the rubber laminates are integrally formed, the laminated plates are provided with rubber elastic column mounting grooves corresponding to the positions of the rubber elastic, every group the inside symmetry from top to bottom of rubber elasticity post mounting groove piles up there are two sets of rubber elasticity posts.

2. The modified high damping composite rubber mount of claim 1, wherein: adjacent two sets of in the same line spacing subassembly mounting groove has been seted up between the rubber elasticity post, spacing subassembly mounting groove internally mounted has spacing subassembly, spacing subassembly with the stromatolite board is connected.

3. The modified high damping composite rubber mount of claim 1, wherein: the limiting assembly comprises an upper limiting column and a lower limiting column, the upper limiting column is connected with the upper end of the laminated plate, the lower limiting column is connected with the lower end of the laminated plate, the limiting assembly is formed by stacking the upper limiting column and the lower limiting column which are arranged on the laminated plate and adjacent to each other, and the upper limiting column arranged above the laminated plate and located above is connected with the lower limiting column arranged below the laminated plate.

4. The modified high damping composite rubber mount of claim 2, wherein: the vertical section of the upper limiting column is concave, the vertical section of the lower limiting column is convex matched with the upper limiting column, and the outer side of the lower limiting column is provided with a spring in a nested mode.

5. The modified high damping composite rubber mount of claim 1, wherein: the vertical section of the rubber elastic column is U-shaped, and one side of the rubber elastic column with the larger inner diameter is connected with the rubber lamination layer.

6. The modified high damping composite rubber mount of claim 1, wherein: and a rubber gasket for preventing the rubber elastic column from being in rigid contact with the laminated plate is arranged on the inner wall of the rubber elastic column mounting groove.

7. The modified high damping composite rubber mount of claim 1, wherein: the energy-absorbing damping assembly comprises a shell, an energy-absorbing composite material and a solid shaft, wherein the energy-absorbing composite material is formed by compounding a porous nano material and a matrix liquid, the solid shaft is arranged in the middle of the inner side of the shell, and the energy-absorbing composite material is filled between the shell and the solid shaft.

8. The modified high damping composite rubber mount of claim 1, wherein: the housing and the solid shaft are both made of shape memory alloy.

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