CN203160070U - Low-stress nonlinear elastic anti-vibration pad - Google Patents
Low-stress nonlinear elastic anti-vibration pad Download PDFInfo
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- CN203160070U CN203160070U CN 201320129419 CN201320129419U CN203160070U CN 203160070 U CN203160070 U CN 203160070U CN 201320129419 CN201320129419 CN 201320129419 CN 201320129419 U CN201320129419 U CN 201320129419U CN 203160070 U CN203160070 U CN 203160070U
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- elastic nail
- articulamentum
- described elastic
- nail cylinder
- low stress
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Abstract
The utility model belongs to the technical field of vibration reduction, and provides a low-stress nonlinear elastic anti-vibration pad. The low-stress nonlinear elastic anti-vibration pad comprises a connecting layer (1). A plurality of elastic nail column bodies (2) are arranged on the connecting layer (1); The transition of contact surfaces of the elastic nail column bodies (2) and the connecting layer (1) is conducted in a curved mode; the elastic nail column bodies (2) form a low-stress elastic layer; two adjacent elastic nail column bodies are arranged in a staggered mode. Due to the adoption of the technical scheme, stress of the elastic anti-vibration pad is reduced, especially, concentrated stress of the elastic anti-vibration pad is reduced, evenness of stress distribution is improved, and service life of the elastic anti-vibration pad is prolonged.
Description
Technical field
The utility model belongs to antivibration area, is specifically related to a kind of low stress nonlinear elasticity cushion blocking.
Background technology
In recent years, the development of City Rail Transit Systems such as domestic subway, light rail is swift and violent, has effectively alleviated the nervous situation of urban traffic, and the construction of high-speed railway and inter-city passenger rail and development have improved regional current situation of traffic.Rubber, thermoplastic elastomer (TPE) and plastic products railway roadbed cushion blocking have been widely used in the track traffic industry, the railway roadbed cushion blocking is the use history in existing 30 years abroad, domesticly also began extensive utilization in recent years, reduce track vibration to the interference of environment, comprise vibration and the influence of noise of working environments such as track circuit periphery and Rail Transit System facility, the application of railway roadbed cushion blocking has simultaneously also increased vehicle and track component life-span, reduce operation maintenance load and maintenance cost, improved operation security.
In order to realize such use, the researcher constantly pursues the rigidity that reduces product of rubber and plastic, to take full advantage of the elasticity of product of rubber and plastic.The railway roadbed cushion blocking is material of main part with rubber, formed by substrate and the projection that is positioned on the substrate, but because the reduction of rigidity, the pliability of product of rubber and plastic increases, intensity reduction, particularly elastic bumps are subjected to the stress after the load wherein outstanding, the application life of having reduced cushion blocking widely, and most of cushion blockings to be disposable and railway roadbed bases be cast in together and can't changing in normal maintenance, the life-span of improving cushion blocking becomes even more important.
For example, to traditional single face tapered protrusion elastic roadbed cushion blocking, applying 25 tons of axles for vehicle of 9kN(equivalence at the 300mmx300mm face carries) load under, the maximum stress of road mattress is 1.9Mpa, simultaneously, when integral body was born 9kN load, railway roadbed padding body was subjected to displacement and is 7.7mm, maximum displacement is 8.0mm, occurs in the sidepiece of projection.
The utility model content
The purpose of this utility model is to propose a kind of low stress nonlinear elasticity cushion blocking, can reduce the stress, particularly concentrated stress of elastic damping pad, increases the uniformity of stress distribution, improves the application life of product.
The utility model adopts following technical scheme for finishing above-mentioned purpose:
A kind of low stress nonlinear elasticity cushion blocking, described elastic damping spacer has articulamentum, has a plurality of elastic nail cylinders on the described articulamentum, and the contact surface of described elastic nail cylinder and articulamentum adopts curve transition; A plurality of described elastic nail cylinders constitute the low stress elastic layer; Adjacent two described elastic nail cylinder interlaced arrangement.
Described articulamentum is at least one deck.
Described elastic nail cylinder is variable cross-section nail cylinder, and described elastic nail cylinder is that truncated cone-shaped or hemisphere or the hyperboloid of one sheet or external surface are that corrugated cylinder or external surface are corrugated round platform.
One of them elastic nail cylinder is inverted with respect to another elastic nail cylinder and is arranged in adjacent two described elastic nail cylinders.
Described elastic nail cylinder is positioned at the soffit of articulamentum.
Described elastic nail cylinder is positioned at upper surface and the soffit of articulamentum.
The elastic nail cylinder that is positioned at the articulamentum upper surface is symmetrical arranged with the elastic nail cylinder that is positioned at the articulamentum soffit.
Described elastic nail cylinder is rubber elastomer or plastics elastic body or thermoplastic elastomer (TPE) or air bag spring.
A kind of low stress nonlinear elasticity cushion blocking that the utility model proposes adopts technique scheme, has reduced the stress, particularly concentrated stress of elastic damping pad, has increased the uniformity of stress distribution, the application life of having improved product.
Description of drawings
Fig. 1 (a), Fig. 1 (b) are the structural representations of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Fig. 4 is the structural representation of the utility model embodiment 4.
Fig. 5 is the structural representation of the utility model embodiment 5.
Fig. 6 is the structural representation of the utility model embodiment 6.
Fig. 7 is the structural representation of the utility model embodiment 7.
Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13 are the structural representation of elastic nail cylinder in the utility model.
Among the figure: 1, articulamentum, 2, the elastic nail cylinder.
The specific embodiment
With specific embodiment the utility model is illustrated by reference to the accompanying drawings:
Shown in Fig. 1 (a), Fig. 1 (b), a kind of low stress nonlinear elasticity cushion blocking, described elastic damping spacer has articulamentum 1, has a plurality of elastic nail cylinders 2 on the described articulamentum 1, and the contact surface of described elastic nail cylinder 2 and articulamentum 1 adopts curve transition; A plurality of described elastic nail cylinders 2 constitute the low stress elastic layer; Adjacent two described elastic nail cylinder 2 interlaced arrangement, its purpose is to work as the elastic nail cylinder under loaded condition, make its each longitudinal cross-section dynamic stress equal or approaching, the stress that reduces in the elastic nail cylinder is concentrated or skewness, thereby improve the tired weak link of elastic damping pad, the application life of improving the elastic damping pad widely; Among this embodiment, described articulamentum 1 is one deck, and described elastic nail cylinder 2 is for being positioned at one deck of articulamentum soffit, and in conjunction with Figure 10, it is corrugated cylinder that described elastic nail cylinder 2 adopts external surface.Every layer of described articulamentum 1 can be by individual layer or compound or bonding the forming of two-layer and above different materials, the three layer construction of two glue, one cloth shown in Fig. 1 (a), or the five-layer structure of three glue, two cloth shown in Fig. 1 (b), can be by the bonding one-tenth of adhesives together between every layer, described elastic nail cylinder 2 is rubber elastomer or plastics elastic body or thermoplastic elastomer (TPE) or air bag spring.
As shown in Figure 2, provide the structural representation of the utility model embodiment 2, the agent structure of this embodiment is with embodiment 1, among this embodiment, described elastic nail cylinder 2 adopts truncated cone-shaped, and one of them elastic nail cylinder is inverted setting with respect to another elastic nail cylinder in adjacent two described elastic nail cylinders.
As shown in Figure 3, provide the structural representation of the utility model embodiment 3, the agent structure of this embodiment is with embodiment 1, among this embodiment, in conjunction with Fig. 9, described elastic nail cylinder 2 adopts truncated cone-shaped, and in adjacent two described elastic nail cylinders, one of them elastic nail cylinder is inverted with respect to another elastic nail cylinder and is arranged; The elastic nail cylinder that elastic nail cylinder 2 all is set and is positioned at articulamentum upper surface, soffit at articulamentum upper surface, soffit is symmetrical arranged.
As shown in Figure 4, provide the structural representation of the utility model embodiment 4, among this embodiment, described articulamentum is two-layer, and described elastic nail cylinder 2 is between two-layer articulamentum.In conjunction with Fig. 9, described elastic nail cylinder 2 adopts truncated cone-shaped, and in adjacent two described elastic nail cylinders, one of them elastic nail cylinder is inverted with respect to another elastic nail cylinder and is arranged.
As shown in Figure 5, provide the structural representation of the utility model embodiment 5, the agent structure of this embodiment is with embodiment 1, and among this embodiment, in conjunction with Figure 11, described elastic nail cylinder 2 is the hyperboloid of one sheet.
As shown in Figure 6, provide the structural representation of the utility model embodiment 6, among this embodiment, described articulamentum is two-layer, and described elastic nail cylinder 2 is two-layer, lays respectively on the soffit of every layer of articulamentum.Described elastic nail cylinder 2 adopts truncated cone-shaped, and in adjacent two described elastic nail cylinders of every layer, one of them elastic nail cylinder is inverted with respect to another elastic nail cylinder and is arranged.
As shown in Figure 7, provide the structural representation of the utility model embodiment 7, among this embodiment, described articulamentum is two-layer, and described elastic nail cylinder is two-layer, lay respectively on the soffit of every layer of articulamentum, and two-layer described elastic nail cylinder is symmetrical arranged.
Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13 provide the signal of elastic nail column structure shape respectively.
Above-described only is preferred embodiment of the present utility model.Should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the utility model principle; need not the technical characterictic that just can associate through creative work; can also make some modification and improvement; these variations obviously all should be considered as equivalent feature, still belong within the protection domain of the present utility model.
Claims (8)
1. low stress nonlinear elasticity cushion blocking, it is characterized in that: described elastic damping spacer has articulamentum (1), have a plurality of elastic nail cylinders (2) on the described articulamentum (1), and the contact surface of described elastic nail cylinder (2) and articulamentum (1) adopts curve transition; A plurality of described elastic nail cylinders (2) constitute the low stress elastic layer; Adjacent two described elastic nail cylinders (2) interlaced arrangement.
2. a kind of low stress nonlinear elasticity cushion blocking according to claim 1, it is characterized in that: described articulamentum (1) is at least one deck.
3. a kind of low stress nonlinear elasticity cushion blocking according to claim 1, it is characterized in that: described elastic nail cylinder (2) is variable cross-section nail cylinder, and described elastic nail cylinder is that truncated cone-shaped or hemisphere or the hyperboloid of one sheet or external surface are that corrugated cylinder or external surface are corrugated round platform.
4. a kind of low stress nonlinear elasticity cushion blocking according to claim 1 is characterized in that: one of them elastic nail cylinder is inverted with respect to another elastic nail cylinder and is arranged in adjacent two described elastic nail cylinders (2).
5. a kind of low stress nonlinear elasticity cushion blocking according to claim 1, it is characterized in that: described elastic nail cylinder (2) is positioned at the soffit of articulamentum (12).
6. a kind of low stress nonlinear elasticity cushion blocking according to claim 1, it is characterized in that: described elastic nail cylinder (2) is positioned at upper surface and the soffit of articulamentum.
7. a kind of low stress nonlinear elasticity cushion blocking according to claim 6, it is characterized in that: the elastic nail cylinder (2) that is positioned at articulamentum (1) upper surface, soffit is symmetrical arranged.
8. a kind of low stress nonlinear elasticity cushion blocking according to claim 1, it is characterized in that: described elastic nail cylinder (2) is rubber elastomer or plastics elastic body or thermoplastic elastomer (TPE) or air bag spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129419 CN203160070U (en) | 2013-03-21 | 2013-03-21 | Low-stress nonlinear elastic anti-vibration pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129419 CN203160070U (en) | 2013-03-21 | 2013-03-21 | Low-stress nonlinear elastic anti-vibration pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203160070U true CN203160070U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320129419 Expired - Lifetime CN203160070U (en) | 2013-03-21 | 2013-03-21 | Low-stress nonlinear elastic anti-vibration pad |
Country Status (1)
| Country | Link |
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| CN (1) | CN203160070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113344A (en) * | 2015-08-17 | 2015-12-02 | 王安斌 | High-attenuation multiple non-linear stiffness vibration and noise reduction elastic base plate |
| CN106758557A (en) * | 2016-11-30 | 2017-05-31 | 南京工业大学 | Novel high-speed railway roadbed vibration isolation cushion layer |
| CN110851894A (en) * | 2018-08-01 | 2020-02-28 | 洛阳双瑞橡塑科技有限公司 | Subway tunnel vibration damping rubber-spring coupling structure and design method thereof |
-
2013
- 2013-03-21 CN CN 201320129419 patent/CN203160070U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113344A (en) * | 2015-08-17 | 2015-12-02 | 王安斌 | High-attenuation multiple non-linear stiffness vibration and noise reduction elastic base plate |
| CN106758557A (en) * | 2016-11-30 | 2017-05-31 | 南京工业大学 | Novel high-speed railway roadbed vibration isolation cushion layer |
| CN106758557B (en) * | 2016-11-30 | 2018-04-06 | 南京工业大学 | High-speed railway roadbed vibration isolation cushion layer |
| CN110851894A (en) * | 2018-08-01 | 2020-02-28 | 洛阳双瑞橡塑科技有限公司 | Subway tunnel vibration damping rubber-spring coupling structure and design method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |