CN207419165U - A kind of particle damping energy dissipation vibration damping railway ballast pad - Google Patents
A kind of particle damping energy dissipation vibration damping railway ballast pad Download PDFInfo
- Publication number
- CN207419165U CN207419165U CN201720962760.XU CN201720962760U CN207419165U CN 207419165 U CN207419165 U CN 207419165U CN 201720962760 U CN201720962760 U CN 201720962760U CN 207419165 U CN207419165 U CN 207419165U
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- Prior art keywords
- energy dissipation
- damping
- railway ballast
- particle
- particle damping
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Abstract
The utility model discloses a kind of particle damping energy dissipation vibration damping railway ballast pads, are arranged between railway ballast and track ground, and the particle damping energy dissipation vibration damping railway ballast pad includes rubber slab and the particle damping energy dissipation element and steel wire that are embedded in inside the rubber slab；The upper surface of the rubber slab is provided with reserved cementation zone.The utility model has the advantages that can not only reduce the original rigidity of track structure using the railway ballast pad of particle damping, but also dissipation energy can be played the role of by increasing structural damping, be effectively improved the damping vibration-isolating effect of railway ballast pad.
Description
Technical field
The utility model belongs to field of track traffic, and in particular to a kind of particle damping energy dissipation vibration damping railway ballast pad.
Background technology
Railway was quickly grown with City Rail Transit System in recent years, because of its large conveying quantity and the advantage of environmental protection, but was existed
The adverse effect of noise and ambient vibration.The complaint of subway or Along Railway cell owner and people put forward quality of life
High requirement, noise caused by making track traffic and ambient vibration technical problem are gradated and asked for livelihood issues or even politics
Topic, by social concerns.
Traditional track structure damping technology has floating plate, Damping fastening, railway ballast pad etc., their working mechanism is to pass through
The rigidity for changing track structure plays the effect of damping, otherwise these device costs are high or can improve the vibration of car body.Institute
It is necessary to develop a kind of new track structure dampening apparatus.
The content of the invention
The purpose of this utility model is according in place of above-mentioned the deficiencies in the prior art, provides a kind of particle damping energy dissipation vibration damping
Railway ballast pad, the railway ballast pad are effectively improved railway ballast pad by burying steel wire and particle damping energy dissipation element in rubber slab
Damping and dissipation vibrational energy ability.
The utility model aim realization is completed by following technical scheme：
A kind of particle damping energy dissipation vibration damping railway ballast pad, is arranged between railway ballast and track ground, the particle damping energy dissipation
Vibration damping railway ballast pad includes rubber slab and the particle damping energy dissipation element and steel wire that are embedded in inside the rubber slab；The rubber
The upper surface of offset plate is provided with reserved cementation zone.
The particle damping energy dissipation element includes housing, and the enclosure interior is provided with damping particles.
The housing is hexahedron, and the length of side is between 1 ~ 2cm.
The material of the damping particles is the combination of any one or more in tungsten powder, lead powder, copper powder and iron powder；Institute
The grain size for stating damping particles is 0.001 ~ 0.5mm；The filling rate of damping particles is between 50 ~ 90% described in the enclosure interior.
The ingredient of the rubber slab includes natural rubber, phenolic resin and hard carbon black.
The rubber slab includes top supporting course and bottom mixed layer；The particle damping energy dissipation element and the steel
Silk is embedded in the bottom mixed layer.
The particle damping energy dissipation element is arranged inside the rubber slab using monolayer array；The particle damping energy dissipation
The distance between the lower surface of element and the lower surface of the rubber slab are more than 1cm；The upper table of the particle damping energy dissipation element
The distance between face and the upper surface of the rubber slab are more than 2cm；Spacing between the adjacent particle damping energy dissipation element
For 2 ~ 4cm.
Particle damping energy dissipation element described in the steel wire encircling, between the steel wire and the particle damping energy dissipation element
Distance is 0.5 ~ 1cm.
The reserved cementation zone is arranged on the both sides of the upper surface of the rubber slab.
The utility model has the advantages that it is original not only to reduce track structure using the railway ballast pad of particle damping
Rigidity, but also dissipation energy can be played the role of by increasing structural damping, be effectively improved the damping of railway ballast pad every
It shakes effect.
Description of the drawings
Fig. 1 is the three-dimensional view of the utility model particle damping energy dissipation vibration damping railway ballast pad；
Fig. 2 is the section view of the utility model particle damping energy dissipation vibration damping railway ballast pad；
Fig. 3 is the structure diagram of particle damping energy dissipation element in the utility model；
Fig. 4 is the schematic diagram in the utility model particle damping energy dissipation vibration damping railway ballast pad application process.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade：
As shown in Figs 1-4, mark 1-13 is respectively in figure：Particle damping energy dissipation vibration damping railway ballast pad 1, rubber slab 2, particle resistance
Buddhist nun's dissipative cell 3, steel wire 4, reserved cementation zone 5, top supporting course 6, bottom mixed layer 7, housing 8, damping particles 9, track
Base 10, railway ballast 11, rail 12, sleeper 13.
Embodiment：As shown in Fig. 1,4, the present embodiment is specifically related to a kind of particle damping energy dissipation vibration damping railway ballast pad, is arranged in
Between railway ballast 11 and track ground 10, which includes rubber slab 2 and is embedded in rubber slab 2
Internal particle damping energy dissipation element 3 and steel wire 4；The upper surface of rubber slab 2 is provided with reserved cementation zone 5.
As shown in Figure 1, 2, the length of rubber slab 2 is 5000mm ~ 4000mm, and width is 1000mm ~ 1500mm, thick
It spends for 5 ~ 7cm；The ingredient of rubber slab 2 includes natural rubber, phenolic resin and hard carbon black；Phenolic resin can enhance rubber slab
2 intensity, hard carbon black can increase the wearability of rubber slab 2；Rubber slab 2 includes top supporting course 6 and bottom mixed layer 7；
In the present embodiment, top supporting course 6 and bottom mixed layer 7 are integrally formed, and particle damping energy dissipation element 3 and steel wire 4 are embedded
In bottom mixed layer 7.
As shown in Figure 1, 2, the steel wire 4 being embedded in rubber slab 2 is used to enhance the rigidity of rubber slab 2；Gauge of wire is
1mm；For steel wire 4 around particle damping energy dissipation element 3, the distance between steel wire 4 and particle damping energy dissipation element 3 are 0.5 ~ 1cm.
As shown in Figure 2,3, particle damping energy dissipation element 3 is arranged inside rubber slab 2 using monolayer array；Particle damping consumption
The distance between the lower surface of energy element 3 and the lower surface of rubber slab 2 are more than 1cm；The upper surface of particle damping energy dissipation element 3 with
The distance between upper surface of rubber slab 2 is more than 2cm；Spacing between adjacent particle damping energy dissipation element 3 is 2 ~ 4cm；In advance
Cementation zone 5 is stayed to be arranged on the both sides of the upper surface of rubber slab 2, steel is not provided with inside the rubber slab 2 immediately below reserved cementation zone 5
Silk 4 and particle damping energy dissipation element 3.
As shown in Figure 2,3, it is embedded in the particle damping energy dissipation element 3 inside rubber slab 2 and is mainly used for absorbing particles damping
Passive energy dissipation railway ballast 1 vibrational energy during the work time of pad；Particle damping energy dissipation element 3 includes housing 8, is set inside housing 8
It is equipped with damping particles 9.
As shown in Figure 2,3, particle damping energy dissipation element 3 is a kind of passive vibration control technology；When particle damping energy dissipation subtracts
When the railway ballast pad 1 that shakes is in running order, the vibration of particle damping energy dissipation vibration damping railway ballast pad 1 is transferred to particle by rubber slab 2 and hinders
Buddhist nun's dissipative cell 3 so that the damping particles 9 in particle damping energy dissipation element 3 vibrate；In the vibration processes of damping particles 9
In, it can collide and rub between damping particles 9；Collision and friction can consume vibrational energy, and vibrational energy is converted into heat
Amount, so as to fulfill the effect of dissipation vibrational energy；Particle damping energy dissipation element 3 is embedded in inside rubber slab 2, can effectively be increased
The ability of the 1 dissipation vibrational energy of particle damping energy dissipation vibration damping railway ballast pad of strong the present embodiment.
As shown in figure 3, in the present embodiment, the housing 8 of particle damping energy dissipation element 3 is thin for the Q195 of 1 ~ 4mm by thickness
Regular hexahedron made of steel plate, the length of side is between 1 ~ 2cm；It is used at the joining thin steel sheet of housing 8 with cyanacrylate
It is formed for the metal glue sticking of primary raw material.
As shown in figure 3, in the present embodiment, the material of damping particles 9 is arbitrary in tungsten powder, lead powder, copper powder and iron powder
One or more combinations, the ratio of the damping particles 9 by adjusting various materials, the totality that can adjust damping particles 9 are close
Degree；The grain size of damping particles 9 is 0.001mm to 0.5mm；The filling rate of 8 internally-damped particle 9 of housing is between 50% to 90%.
As shown in Figures 1 to 3, the particle damping energy dissipation vibration damping railway ballast pad 1 of the present embodiment can be according to different rail track shapes
Dynamic load caused by condition, different train speeds chooses the filling rate of damping particles 9, the material of damping particles 9, particle damping
The parameters such as the arrangement density of dissipative cell 3 and thickness, width, the length of rubber slab 2；The particle damping energy dissipation of the present embodiment subtracts
The making of railway ballast pad of shaking comprises the following steps：
1）Parameter is chosen：The filling of damping particles 9 is determined by requirement of the grade and circuit of circuit for vibration and noise reducing
The ginsengs such as rate, the material of damping particles 9, thickness, width, the length of the arrangement density of particle damping energy dissipation element 3 and rubber slab 2
Number；
2）Raw material prepare：It is accurate that dispensing is weighed according to formula.In order to which raw rubber and compounding agent is enable mutually uniformly to mix, need
Material is processed, raw rubber will be in 60--70 DEG C of drying chamber after softened by baking, then cuts glue, breaks glue into fritter；Phenolic resin evaporates
Moisture, impurity screening；Compounding agent will be dried；
3）It plasticates：This rubber is plasticated using Mechanical Method, at a temperature of less high, passes through the mechanical presses of plasticator
With the effect of frictional force, the degradation of long-chain rubber molecule is made to shorten, plastic state is changed by high resiliency state；
4）It is kneaded：Raw rubber after plasticating with compounding agent is mixed, is placed in rubber mixing machine, is acted on by machine mixing, makes to match somebody with somebody
Mixture is complete, is evenly dispersed in raw rubber；
5）Shaping：Rubber slab 2 uses calendering formation, and internal steel wire 4 and particle damping energy dissipation element 3 must coat one
The thin glue of layer, coating process are generally also completed on calender；Steel wire 4 and particle damping energy dissipation element 3 need to carry out before calendering
Drying and impregnation are put into mold and are molded in calender afterwards；
6）Vulcanization：Rubber vulcanizing machine is selected to vulcanize rubber slab 2；So far the particle damping energy dissipation vibration damping of the present embodiment
Railway ballast pad 1 completes.
As shown in Figure 2,4, the installation and application of the particle damping energy dissipation vibration damping railway ballast pad 1 of the present embodiment specifically include with
Lower step：
Preparation of construction：The storage of particle damping energy dissipation vibration damping railway ballast pad 1 should keep dry, clean, prevent intensive ultraviolet spoke
It penetrates, forbids long-time exposure.Particle damping energy dissipation vibration damping railway ballast pad 1 should be laid with by design area, particle damping energy dissipation vibration reduction road
The seam crossing of tiny fragments of stone, coal, etc. pad 1 forbids wide arc gap occurred.Track ground 10（Such as overpass）Must assure that it is smooth without recess with it is sharp
Protrusion；In extreme circumstances, the night of low temperature and high relative humidity is with that the daytime of burning sun high temperature and outdoor construction may cause particle to damp
Passive energy dissipation railway ballast pad 1 is laid with not tight；In order to avoid this phenomenon, 0-25 degrees Celsius of the selection of should trying one's best in rainy weather without carrying out
Laying construction；
Clear up track ground：Track ground 10 should be ensured that it is clean, dry, frostless and smooth, avoid the occurrence of recess with
Sharp protrusion；
It is laid with particle damping energy dissipation vibration damping railway ballast pad 1：Particle damping energy dissipation vibration damping railway ballast pad 1 should laterally be relaxed by track both sides
Volume, supporting course contact directly railway ballast 11 upward.It constructs under the conditions of extreme temperature and excessive temperature differentials after construction and long-time storage, it must
First particle damping energy dissipation vibration damping railway ballast pad 1 must be placed on its paving location and unfold several hours and paste again, can so made
Particle damping energy dissipation vibration damping railway ballast pad 1 recovers the compression and tension when being rolled into tubular, preferably controls particle damping energy dissipation
The size of vibration damping railway ballast pad 1；
Railway ballast pad is pasted, and the sealed connection between particle damping energy dissipation vibration damping railway ballast pad 1 is by special sweating welder
And the Special sealing strips realization of 10 ~ 15cm wide, the seam often located between particle damping energy dissipation vibration damping railway ballast pad 1 all must be effectively
Closely knit bonding；The laying of particle damping energy dissipation vibration damping railway ballast pad 1 should be carried out in strict accordance with arrangement and method for construction, avoid the occurrence of sealing not
Tight situation.The operation of hot-melt welding machine should be performed in strict accordance with regulation, and it is excessive to avoid the occurrence of hot melt；
The laying of the section of track and railway ballast：It should be covered on it as soon as possible after particle damping energy dissipation vibration damping railway ballast pad 1 is completed
The tiny fragments of stone, coal, etc. 11；The rubber tyre of no sharp protrusion must be used and slowly travel by being laid with the vehicle of railway ballast 11, and vehicle should be kept away in motion
Exempt from braking suddenly or accelerate；After the completion of railway ballast 11 is laid with, the section of track is laid with above it；So far the particle damping energy dissipation of the present embodiment
Vibration damping railway ballast pad 1, which is laid with, to be completed.
As shown in figure 4, in train travelling process, the vibration that wheel is generated with the interaction of rail 12 is passed by sleeper 13
Railway ballast 11 is delivered to, then track ground 10 is passed to by railway ballast 11.Particle damping energy dissipation vibration damping railway ballast pad 1 is placed on 11 He of railway ballast
Between track ground 10, vibrational energy is consumed by its internal particle damping energy dissipation element 3.On the Vibration propagation road of track
Increase particle damping energy dissipation vibration damping railway ballast pad 1 in footpath and be equivalent to the structural damping for changing original track structure, by changing structure
Energy possessed by can effectively dissipating vibration is damped, plays the role of vibration damping and vibration isolation energy consumption.
The advantageous effects of the present embodiment are：Track structure can not only be reduced using the railway ballast pad of particle damping
Original rigidity, but also dissipation energy can be played the role of by increasing structural damping, it is effectively improved railway ballast pad
Damping vibration-isolating effect.
Claims (7)
1. a kind of particle damping energy dissipation vibration damping railway ballast pad, is arranged between railway ballast and track ground, it is characterised in that：The particle
Damping energy dissipation vibration damping railway ballast pad includes rubber slab and the particle damping energy dissipation element and steel that are embedded in inside the rubber slab
Silk；The upper surface of the rubber slab is provided with reserved cementation zone.
2. a kind of particle damping energy dissipation vibration damping railway ballast pad according to claim 1, it is characterised in that：The particle damping consumption
Energy element includes housing, and the enclosure interior is provided with damping particles.
3. a kind of particle damping energy dissipation vibration damping railway ballast pad according to claim 2, it is characterised in that：The housing is six faces
Body, the length of side is between 1 ~ 2cm.
4. a kind of particle damping energy dissipation vibration damping railway ballast pad according to claim 1, it is characterised in that：The rubber slab includes
Top supporting course and bottom mixed layer；The particle damping energy dissipation element and the steel wire are embedded in the bottom mixed layer
In.
5. a kind of particle damping energy dissipation vibration damping railway ballast pad according to claim 1, it is characterised in that：The particle damping consumption
Energy element is arranged inside the rubber slab using monolayer array；The lower surface of the particle damping energy dissipation element and the rubber
The distance between lower surface of plate is more than 1cm；The upper surface of the particle damping energy dissipation element and the upper surface of the rubber slab
The distance between be more than 2cm；Spacing between the adjacent particle damping energy dissipation element is 2 ~ 4cm.
6. a kind of particle damping energy dissipation vibration damping railway ballast pad according to claim 1, it is characterised in that：The steel wire encircling institute
Particle damping energy dissipation element is stated, the distance between the steel wire and the particle damping energy dissipation element are 0.5 ~ 1cm.
7. a kind of particle damping energy dissipation vibration damping railway ballast pad according to claim 1, it is characterised in that：The reserved cementation zone
It is arranged on the both sides of the upper surface of the rubber slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962760.XU CN207419165U (en) | 2017-08-03 | 2017-08-03 | A kind of particle damping energy dissipation vibration damping railway ballast pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962760.XU CN207419165U (en) | 2017-08-03 | 2017-08-03 | A kind of particle damping energy dissipation vibration damping railway ballast pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207419165U true CN207419165U (en) | 2018-05-29 |
Family
ID=62314586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962760.XU Expired - Fee Related CN207419165U (en) | 2017-08-03 | 2017-08-03 | A kind of particle damping energy dissipation vibration damping railway ballast pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207419165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366200A (en) * | 2017-08-03 | 2017-11-21 | 华东交通大学 | A kind of particle damping energy dissipation vibration damping railway ballast pad |
| CN114315277A (en) * | 2021-12-31 | 2022-04-12 | 同济大学 | Recycled aggregate and rubber particle filled vibration-damping sleeper and preparation method thereof |
-
2017
- 2017-08-03 CN CN201720962760.XU patent/CN207419165U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366200A (en) * | 2017-08-03 | 2017-11-21 | 华东交通大学 | A kind of particle damping energy dissipation vibration damping railway ballast pad |
| CN107366200B (en) * | 2017-08-03 | 2023-08-15 | 华东交通大学 | Particle damping energy-dissipation vibration reduction ballast pad |
| CN114315277A (en) * | 2021-12-31 | 2022-04-12 | 同济大学 | Recycled aggregate and rubber particle filled vibration-damping sleeper and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20200803 |