CN110805154A

CN110805154A - Shockproof rubber pad

Info

Publication number: CN110805154A
Application number: CN201910579166.6A
Authority: CN
Inventors: 丁欣欣; 丁泽成; 王文广; 周东珊; 徐晨昊; 武鹏
Original assignee: Zhejiang Yasha Decoration Co Ltd
Current assignee: Zhejiang Yasha Decoration Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-02-18

Abstract

The invention provides a shockproof rubber pad, comprising: the core rod, the plug overcoat has a plurality of rubber rings and a plurality of becket, and its rubber ring and becket arrange in proper order in turn. According to the invention, the rubber rings and the metal rings are sequentially and alternately arranged, so that the vibration energy is dissipated through the multiple layers of rubber rings, the deformation of the whole shockproof rubber pad in different degrees is realized layer by controlling the shape degree of a single layer of rubber ring, and the overall shape is smoothly changed by matching with the supporting action of the core rod, so that the load of the shockproof rubber pad is not inclined at a large angle.

Description

Shockproof rubber pad

Technical Field

The invention relates to the field of shockproof equipment, in particular to a shockproof rubber pad.

Background

At present, the hazards of natural disasters exist all the time, along with the increase of population and the development of social economy, the requirements of people on living environment are more and more emphasized, and people living in special zones try to overcome and face disasters. Earthquake is a disaster with great influence, especially large earthquake, and although the frequency of small earthquake is higher and the frequency of large earthquake is lower at ordinary times, the prevention is always in place. In order to reduce the shaking degree of the house or weaken the influence of seismic waves when an earthquake happens, a shockproof rubber pad is arranged under a base layer pile or column of the house. Thus, the house can be maintained with less vibration sense in small earthquake, and can play a role of buffering or reducing to maintain safety in larger earthquake

In the prior art, as patent document 1: CN201621184081.6, it discloses a temperature-resistant and corrosion-resistant building shockproof rubber pad, which comprises a rubber pad body, wherein the upper and lower ends of the rubber pad body are respectively provided with a backing plate and a plurality of connecting blocks, the connecting blocks are all fixed on the upper and lower ends of the rubber pad body through buckles, the adjacent two connecting blocks are respectively provided with a lug and a groove, the rubber pad body is made of silicon rubber, the hollow center of the rubber pad body is provided with a water filtering channel, the top of the rubber pad body and the circumference of the water filtering channel are provided with a plurality of water filtering holes, the surface of the rubber pad body is provided with a wear-resistant layer, the inside of the rubber pad body is provided with a plurality of shock absorbers, the inside of the shock absorbers is provided with a plurality of springs, and the, the anti-corrosion layer is arranged on the outer side of the fire-proof layer. The product adopts a hollow rubber pad, the whole structure is complex, the whole deformation degree is higher after the product is vibrated, and the load bearing object is easy to incline at a large angle.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a shockproof rubber pad, which is characterized in that rubber rings and metal rings are sequentially arranged in an alternating manner and matched with the supporting action of a core rod, so that the overall deformation degree is smoother, and the shockproof rubber pad overcomes the defects that the existing shockproof rubber pad is complex in overall structure, high in overall deformation degree after being vibrated and easy to cause large-angle inclination of a load.

(II) technical scheme

In order to solve the above technical problems, the present invention provides a vibration-proof rubber pad, comprising: the core rod is sleeved with a plurality of rubber rings and a plurality of metal rings, and the rubber rings and the metal rings are sequentially and alternately arranged. The rubber ring is adopted, the rubber has the characteristics of hysteresis, damping and reversible large deformation, the hysteresis and internal friction characteristics of the rubber are generally expressed by loss factors, the larger the loss factor is, the more remarkable the damping and heat generation of the rubber is, and the more obvious the damping effect is. When an earthquake occurs, due to the influence of seismic waves, the inner part of the shock pad moves, and partial seismic energy can be consumed, so that the influence on a building is reduced; arrange through rubber ring and becket in proper order alternate arrangement for the energy of vibrations dissipates through multilayer rubber ring, through the shape degree of control individual layer rubber ring, make whole rubber pads successive layer take place the deformation of different degrees, and the supporting role of cooperation plug, make whole shape change level and smooth, can not make the bearing thing of rubber pads take place the slope of wide angle, it adopts alloy ring divided multilayer structure simultaneously, also make one of them rubber ring catch fire, be difficult to transmit to another piece, the fire behavior has been improved greatly.

Preferably, the core rod is made of lead-tin-zinc composite metal. The invention adopts lead-tin-zinc composite metal, and has good corrosion resistance.

Preferably, graphite powder is sprayed on the inner ring surface of the rubber ring. According to the invention, the graphite powder is sprayed on the inner ring surface of the rubber ring, so that the friction between the rubber ring and the core rod at the intersection is reduced, and the rapid loss of the rubber ring after multiple uses is avoided.

Preferably, the metal ring is made of chromium nickel titanium alloy steel. The metal ring adopts chromium nickel titanium alloy steel, so that the integral bearing performance is ensured, and the corrosion resistance is improved; the service life is prolonged.

Preferably, the diameter of the core rod is 80mm-90 mm. The diameter of the core rod is 80mm-90mm, and the structural strength of the core rod is higher.

Preferably, modified resin is added into the rubber ring, the modified resin is organic silicon modified phenolic resin, and the mass percentage of the modified resin in the total rubber ring is 3% -5%. 3-5% of organic silicon modified phenolic resin is added into the rubber ring; it effectively improves the fire-proof performance of the rubber ring.

Preferably, the rubber ring further comprises a stabilizer, the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 2.5-4.7% of the total rubber ring by mass. The rubber ring is also added with a stabilizer and matched with the organic silicon modified phenolic resin, so that the fireproof performance of the rubber ring is further improved, and the shockproof rubber pad can support the combustion time of more than 2 hours under the crisis condition.

Preferably, the surface of the metal ring is coated with an aluminum oxide film. The surface of the composite metal is laid with the aluminum oxide film, so that the anti-oxidation and corrosion-resistant effects of the composite metal are improved. The service life of the integral shockproof rubber pad is prolonged to 5-10 years through passivation or oxidation of the composite metal and aging of the rubber.

Preferably, a fireproof coating is further sprayed between the rubber ring and the metal ring, and the fireproof coating is an ultrathin steel structure fireproof coating. The fireproof coating is laid on the surface of the metal ring, so that flame generated after the rubber ring burns is effectively prevented from spreading, and the fireproof performance of the integral shockproof rubber pad is improved.

(III) advantageous effects

The invention provides a shockproof rubber pad, which has the following advantages:

1. the rubber ring is adopted, the rubber has the characteristics of hysteresis, damping and reversible large deformation, the hysteresis and internal friction characteristics of the rubber are generally expressed by loss factors, the larger the loss factor is, the more remarkable the damping and heat generation of the rubber is, and the more obvious the damping effect is. When an earthquake occurs, due to the influence of seismic waves, the inner part of the shock pad moves, and partial seismic energy can be consumed, so that the influence on a building is reduced; arrange through rubber ring and becket in proper order alternate arrangement for the energy of vibrations dissipates through multilayer rubber ring, through the shape degree of control individual layer rubber ring, make whole rubber pads successive layer take place the deformation of different degrees, and the supporting role of cooperation plug, make whole shape change level and smooth, can not make the bearing thing of rubber pads take place the slope of wide angle, it adopts alloy ring divided multilayer structure simultaneously, also make one of them rubber ring catch fire, be difficult to transmit to another piece, the fire behavior has been improved greatly.

Drawings

FIG. 1 is an external view of a vibration-damping rubber pad according to example 1 of the present invention;

FIG. 2 is an exploded view of the vibration-proof rubber pad of example 1 of the present invention.

1. Core rod, 2, rubber ring, 3, metal ring.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled through an intermediary. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 and 2, the present invention provides a vibration-proof rubber pad, which comprises: the core rod comprises a core rod 1, wherein a plurality of rubber rings 2 and a plurality of metal rings 3 are sleeved outside the core rod, and the rubber rings and the metal rings are sequentially and alternately arranged. Graphite powder is sprayed on the inner ring surface of the rubber ring. The core rod is made of lead-tin-zinc composite metal. The diameter of the core rod is 80 mm. Modified resin is added into the rubber ring, the modified resin is organic silicon modified phenolic resin, and the mass percentage of the modified resin in the total rubber ring is 3%. The rubber ring also comprises a stabilizer, wherein the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 2.5% of the total rubber ring by mass.

The metal ring is made of chromium nickel titanium alloy steel. And an aluminum oxide film is coated on the surface of the metal ring. And a fireproof coating is also sprayed between the rubber ring and the metal ring, and the fireproof coating is an ultrathin steel structure fireproof coating.

The service life of the product of the embodiment is 10 years; it can support 4h of burning time under the condition of crisis.

In this embodiment, during installation, the core rod is fixed, the rubber rings and the plurality of metal rings are sequentially and alternately arranged one by one, and the fireproof paint is sprayed between the rubber rings and the metal rings.

Example 2

The invention provides a shockproof rubber pad, comprising: the core rod comprises a core rod 1, wherein a plurality of rubber rings 2 and a plurality of metal rings 3 are sleeved outside the core rod, and the rubber rings and the metal rings are sequentially and alternately arranged. Graphite powder is sprayed on the inner ring surface of the rubber ring. The core rod is made of lead-tin-zinc composite metal. The diameter of the core rod is 90 mm. Modified resin is added into the rubber ring, the modified resin is organic silicon modified phenolic resin, and the modified resin accounts for 5% of the total rubber ring by mass. The rubber ring also comprises a stabilizer, wherein the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 4.7% of the total rubber ring by mass.

The service life of the product of the embodiment is 9 years; it can support 5h of burning time under the condition of crisis.

Example 3

The invention provides a shockproof rubber pad, comprising: the core rod comprises a core rod 1, wherein a plurality of rubber rings 2 and a plurality of metal rings 3 are sleeved outside the core rod, and the rubber rings and the metal rings are sequentially and alternately arranged. Graphite powder is sprayed on the inner ring surface of the rubber ring. The core rod is made of lead-tin-zinc composite metal. The diameter of the core rod is 80 mm. Modified resin is added into the rubber ring, the modified resin is organic silicon modified phenolic resin, and the mass percentage of the modified resin in the total rubber ring is 4%. The rubber ring also comprises a stabilizer, wherein the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 3.6% of the total rubber ring by mass.

The service life of the product of the embodiment is 10 years; it can support 5h of burning time under the condition of crisis.

Comparative example 1

The invention provides a shockproof rubber pad, comprising: the core rod comprises a core rod 1, wherein a plurality of rubber rings 2 and a plurality of metal rings 3 are sleeved outside the core rod, and the rubber rings and the metal rings are sequentially and alternately arranged. Graphite powder is sprayed on the inner ring surface of the rubber ring. The core rod is made of lead-tin-zinc composite metal. The diameter of the core rod is 79 mm. Modified resin is added into the rubber ring, the modified resin is organic silicon modified phenolic resin, and the mass percentage of the modified resin in the total rubber ring is 2.9%. The rubber ring also comprises a stabilizer, wherein the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 2.4% of the total rubber ring by mass.

The service life of the product of the embodiment is 4 years; it can support 2h of burning time under the condition of crisis.

Comparative example 2

The invention provides a shockproof rubber pad, comprising: the core rod comprises a core rod 1, wherein a plurality of rubber rings 2 and a plurality of metal rings 3 are sleeved outside the core rod, and the rubber rings and the metal rings are sequentially and alternately arranged. Graphite powder is sprayed on the inner ring surface of the rubber ring. The core rod is made of lead-tin-zinc composite metal. The diameter of the core rod is 91 mm. Modified resin is added into the rubber ring, the modified resin is organic silicon modified phenolic resin, and the mass percentage of the modified resin in the total rubber ring is 5.1%. The rubber ring also comprises a stabilizer, wherein the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 4.8% of the total rubber ring by mass.

The service life of the product of the embodiment is 4 years; it can support 1.8h of combustion time under the condition of crisis.

In summary, the service life of the products of example 1, example 2 and example 3 is much longer than that of comparative example 1 and comparative example 2 using the excess ratio and the fire-proof performance.

The above embodiments are only used for illustrating the present invention, and the structure, connection mode and the like of each component can be changed, and all equivalent changes and improvements made on the basis of the technical scheme of the present invention should not be excluded from the protection scope of the present invention.

Claims

1. A vibration-proof rubber pad is characterized by comprising: the core rod is sleeved with a plurality of rubber rings and a plurality of metal rings, and the rubber rings and the alloy rings are sequentially and alternately arranged.

2. A vibration-damping rubber pad as defined in claim 1, wherein said core rod is made of a composite metal of lead, tin and zinc.

3. A vibration-proof rubber pad as defined in claim 1, wherein graphite powder is sprayed on the inner circumferential surface of said rubber ring.

4. A vibration-damping rubber pad according to claim 1 wherein said metal ring is of chromium nickel titanium steel.

5. A crash pad as set forth in claim 1 or 2 or 3 or 4 wherein said core rod has a diameter of from 80mm to 90 mm.

6. A vibration-proof rubber pad as claimed in claim 1, 2, 3 or 4, wherein the modified resin is added into the rubber ring, the modified resin is organosilicon modified phenolic resin, and the mass percentage of the modified resin in the total rubber ring is 3% -5%.

7. The vibration-proof rubber pad of claim 6, wherein the rubber ring further comprises a stabilizer, the stabilizer is a calcium-zinc composite stabilizer, and the calcium-zinc composite stabilizer accounts for 2.5-4.7% of the total rubber ring by mass.

8. A vibration-proof rubber pad as claimed in claim 1, 2, 3 or 4, wherein said metal ring is further coated with an aluminum oxide film on its surface.

9. A vibration-proof rubber pad as claimed in claim 1, 2, 3 or 4, wherein a fire-proof paint is sprayed between said rubber ring and metal ring, and said fire-proof paint is ultra-thin steel structure fire-proof paint.

10. A vibration-proof rubber pad as claimed in claim 1, 2, 3 or 4, wherein said fire retardant coating has a thickness of 0.5-1.5 mm.