CN207244351U - A kind of particle damping energy dissipation vibration reducing track plate - Google Patents
A kind of particle damping energy dissipation vibration reducing track plate Download PDFInfo
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- CN207244351U CN207244351U CN201720962320.4U CN201720962320U CN207244351U CN 207244351 U CN207244351 U CN 207244351U CN 201720962320 U CN201720962320 U CN 201720962320U CN 207244351 U CN207244351 U CN 207244351U
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- energy dissipation
- concrete slab
- damping energy
- particle damping
- particle
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Abstract
The utility model discloses a kind of particle damping energy dissipation vibration reducing track plate, the particle damping energy dissipation vibration reducing track plate includes concrete slab and the caoutchouc elasticity bed course for being arranged on the concrete slab lower surface；If the inside of the concrete slab is embedded with dry particl damping energy dissipation element；Connected between the caoutchouc elasticity bed course and the concrete slab by embedded bar.The utility model has the advantages that, the particle damping energy dissipation element being arranged in concrete slab can absorb the vibrational energy of various frequencies, and then change the original structure damping and vibratory response of track plates, significantly reduce the natural frequency of vibration of track plates and the vibrational energy of rail and track plates is arrived in bounce-back, rail wheeling action is reduced, improves the security and ride comfort of driving.
Description
Technical field
The utility model belongs to field of track traffic, and in particular to a kind of particle damping energy dissipation vibration reducing track plate.
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.Subway or the complaint of Along Railway cell owner, and people put forward quality of life
High requirement, makes noise caused by track traffic and ambient vibration technical problem gradate and be 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 all logical
Cross and change the rigidity of track and play the effect of damping or vibration isolation, and these apparatus costs are high, only in key area
It can just use.Most common advanced dampening apparatus is floating plate in subway, there is two kinds of steel spring floating slab and rubber floating plate.This
The principle of two kinds of floating plates is all by reducing the spring rate under track plates, improving track plates quality to reach reduction track plates
The effect of the natural frequency of vibration.Because the floating plate natural frequency of vibration is reduced can isolate dither, low-frequency vibration is set to be delivered to tunnel
Deferent on piece.But dither can rebound onto rail and track plates, cause the increase of rail wheeling action, increase wheel-rail noise.
Due to having steel spring or rubber spring under floating plate, so track lateral stiffness reduces, this can influence the security peace of driving
Stability.Track transportation industry needs a new-type safety for not increasing rail wheeling action and rail corrugation in guarantee, maintaining driving
It is capable of the track structure of vibration damping on the premise of property and stationarity.
The content of the invention
The purpose of this utility model is according in place of above-mentioned the deficiencies in the prior art, there is provided a kind of particle damping energy dissipation vibration damping
Track plates, the particle damping energy dissipation vibration reducing track plate by concrete slab set particle damping energy dissipation element, and by
Grain damping energy dissipation element absorbs vibrational energy, so as to fulfill the purpose of vibration damping.
The utility model aim is realized and completed by following technical scheme：
A kind of particle damping energy dissipation vibration reducing track plate, the particle damping energy dissipation vibration reducing track plate include concrete slab and
It is arranged on the caoutchouc elasticity bed course of the concrete slab lower surface；If the inside of the concrete slab is embedded with dry particl damping consumption
Can element；Connected between the caoutchouc elasticity bed course and the concrete slab by embedded bar.
The particle damping energy dissipation element includes housing, and the enclosure interior is provided with damping particles.
The housing is hexahedron, its length of side is between 1.3 ~ 1.5cm.
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 particle diameter 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 material density of the particle diameter of the damping particles, the filling rate of the damping particles and the damping particles with
The Oscillation Amplitude of the particle damping energy dissipation vibration reducing track plate during the work time is directly proportional.
The upper surface of the concrete slab is provided with rail support groove.
The concrete slab is internally provided with least two layers of bar-mat reinforcement；Longitudinal direction is additionally provided with inside the concrete slab in advance should
Power reinforcing bar and transverse prestressed reinforcing steel bar.
Particle damping energy dissipation element inside the concrete slab is bonded on steel wire；The steel wire is fitted in described
The surface of bar-mat reinforcement and with the bar-mat reinforcement banding fixed.
One end of the embedded bar is embedded in inside the concrete slab, its other end is embedded in the rubber mat
Layer is internal.
The utility model has the advantages that the particle damping energy dissipation element being arranged in concrete slab can absorb various frequencies
Vibrational energy, and then change track plates original structure damping and vibratory response, significantly reduce the self-vibration of track plates
Frequency and bounce-back reduce rail wheeling action, improve security and the smooth-going of driving to rail and the vibrational energy of track plates
Property；In addition, particle damping energy dissipation element is embedded in inside concrete slab, the track geometry of track will not be significantly influenced, is being applied
During structural damping and the rigidity of structure can separately be considered, or even steel spring or rubber are improved while structural damping is increased
Rigidity come, improve the ride comfort of track and the security of train.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the particle damping energy dissipation vibration reducing track plate of the utility model；
Fig. 2 is the Longitudinal cross section schematic of the particle damping energy dissipation vibration reducing track plate of the utility model；
Fig. 3 is the structure diagram of the particle damping energy dissipation element in the utility model；
Fig. 4 is the arrangement of reinforcement front view of the concrete slab in the utility model；
Fig. 5 is the arrangement of reinforcement side view of the concrete slab in the utility model；
Fig. 6 is the three-dimensional view of the steel wire in the utility model；
Fig. 7 is the three-dimensional view of the caoutchouc elasticity bed course in the utility model.
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：
Such as Fig. 1-7, mark 1-15 is respectively in figure：Particle damping energy dissipation vibration reducing track plate 1, concrete slab 2, caoutchouc elasticity
Bed course 3, particle damping energy dissipation element 4, housing 5, damping particles 6, rail support groove 9, rail 10, bar-mat reinforcement 11, transverse prestress steel
Muscle 12, longitudinal prestressing reinforcing bar 13, steel wire 14, embedded bar 15.
Embodiment：As shown in Figure 1, 2, the present embodiment is specifically related to a kind of particle damping energy dissipation vibration reducing track plate 1, the particle
Damping energy dissipation vibration reducing track plate 1 includes concrete slab 2 and the caoutchouc elasticity bed course 3 for being arranged on 2 lower surface of concrete slab；Coagulation
If the inside of native plate 2 is embedded with dry particl damping energy dissipation element 4.
As shown in Figure 1, 2, 3, it is embedded in the particle damping energy dissipation element 4 inside concrete slab 2 and is mainly used for absorbing particles
The vibrational energy of damping energy dissipation vibration reducing track plate 1 during the work time；Particle damping energy dissipation element 4 includes housing 5, in housing 5
Portion is provided with damping particles 6.
As shown in Figs. 1-3, particle damping energy dissipation element 4 is a kind of passive vibration control technology；When particle damping energy dissipation subtracts
When the track plates 1 that shake are in running order, the vibration of particle damping energy dissipation vibration reducing track plate 1 is transferred to particle by concrete slab 2
Damping energy dissipation element 4 so that the damping particles 6 in particle damping energy dissipation element 4 vibrate；In the vibrated of damping particles 6
Cheng Zhong, also can collide and rub between damping particles；Collision and friction can consume vibrational energy, and vibrational energy is converted into
Heat, so as to fulfill the effect of dissipation vibrational energy；Particle damping energy dissipation element 4 is embedded in inside concrete slab 2, can be effective
Ground strengthens the ability of the 1 dissipation vibrational energy of particle damping energy dissipation vibration reducing track plate of the present embodiment.
As shown in figure 3, in the present embodiment, the housing 5 of particle damping energy dissipation element 4 is the thin steel of Q195 by thickness for 2mm
Regular hexahedron made of plate, its length of side is in 1.3cm between 1.5cm；Used at the joining thin steel sheet of housing 5 with alpha-cyanoacrylate
Ethyl ester forms for the metal glue sticking of primary raw material.
As shown in Figure 1,3, in the present embodiment, the material of damping particles 6 is appointing in tungsten powder, lead powder, copper powder and iron powder
Anticipate one or more combinations, the ratio of the damping particles 6 by adjusting various materials, can adjust the totality of damping particles 6
Density；The particle diameter of damping particles 6 is 0.001mm to 0.5mm；The filling rate of the internally-damped particle 6 of housing 5 50% to 90% it
Between；In order to reach more preferable effectiveness in vibration suppression, the filling rate of damping particles 6 and damping in the particle diameters of damping particles 6, housing 5
The material density of grain 6 is directly proportional to particle damping energy dissipation 1 Oscillation Amplitude during the work time of vibration reducing track plate.
As shown in Figure 1, 2, the upper surface of concrete slab 2 is provided with some rail support grooves 9, and rail support groove 9 is distributed in concrete board 2
The both sides of upper surface, for carrying rails 10；In 2000mm between 4000mm, its length exists the width of concrete slab 2
4000mm is between 8000mm, its height is in 300mm between 600mm.
As shown in Figure 4,5, two layers of bar-mat reinforcement 11 being parallel to each other is provided with concrete slab 2, between two layers of bar-mat reinforcement 11
Distance in 200mm to 400mm；The outside of bar-mat reinforcement 11 at least needs the protective layer of reserved 50mm to 70mm；Two layers of bar-mat reinforcement 11
Use the screw-thread steel of a diameter of 10mm to 15mm；In bar-mat reinforcement 11, the horizontal spacing of reinforcing bar is 100mm to 150mm；Reinforcing bar
Vertical spacing be 100mm to 150mm.
As shown in Figure 1, 2, transverse prestressed reinforcing steel bar 12 and longitudinal prestressing reinforcing bar 13 are provided with concrete slab 2；
Transverse prestressed reinforcing steel bar 12 is set along the transverse direction of concrete slab 2, the spacing between adjacent transverse deformed bar 12 for 400mm extremely
500mm；Longitudinal prestressing reinforcing bar 13 is longitudinally disposed along concrete slab 2, and the spacing between adjacent longitudinal prestressing reinforcing bar 13 is
400mm to 500mm, is provided with 5 longitudinal prestressing reinforcing bars 13 in the present embodiment in concrete slab 2.
As shown in Figure 4,5, 6, in the present embodiment, two layers of steel wire 14, particle damping energy dissipation member are embedded with concrete slab 2
The housing 5 of part 4 is bonded on steel wire 14 by metal-to-metal adhesive；The main component of metal-to-metal adhesive is cyanacrylate；Two layers of steel
Silk screen 14 is bound on two panels bar-mat reinforcement 11 respectively；14 size length and width of steel wire respectively 1900mm between 3900mm,
3900mm is between 7900mm, finer wire a diameter of 1mm to 2mm；In steel wire 14, between steel wire at intervals of 100mm；This reality
Apply in example, the steel wire 14 in concrete slab 2 is not subject to mainly as the mounting framework of particle damping energy dissipation element 4
Load；By adjusting the bonding location of each particle damping energy dissipation element 4, particle damping energy dissipation element 4 can be adjusted in concrete
Distributing position in plate 2；In the present embodiment, in order to reach more preferable damping effect, the particle damping consumption below rail support groove 9
The distribution density of energy element 4 is more than the distribution density in other regions.
As shown in Fig. 1,7, in the present embodiment, caoutchouc elasticity bed course 3 is arranged on the lower section of concrete slab 2, for absorbing portion
Divide vibrational energy；Connected between caoutchouc elasticity bed course 3 and concrete slab 2 by embedded bar 15；The top of embedded bar 15 is pre-
It is embedded in inside concrete slab 2；Its bottom is embedded in inside caoutchouc elasticity bed course 3.
, can be according to line during the particle damping energy dissipation vibration reducing track plate 1 of production the present embodiment as shown in Fig. 1 to 7
The vibration width of dynamic load and particle damping energy dissipation vibration reducing track plate 1 during the work time caused by road situation, train speed
Degree chooses the parameters such as the filling rate of damping particles 6, the density of damping particles 6, the arrangement density of particle damping energy dissipation element 4；This
The production process of the particle damping energy dissipation vibration reducing track plate 1 of embodiment comprises the following steps：
1）As shown in fig. 7, thickness is produced in 40mm to the caoutchouc elasticity bed course 3 between 60mm, and in caoutchouc elasticity bed course 3
Interior pre-buried length is the embedded bar 15 of a diameter of 10mm of 50mm, and the arrangement density of embedded bar 15 is per 100cm2One.
2）As shown in Figure 1, 2, the template designed in advance according to physical dimension is placed, template is placed on pretensioned prestressing steel
On the pedestal that muscle needs；And caoutchouc elasticity bed course 3 is put into template.
3）As shown in Fig. 3,6, production particle damping energy dissipation element 4, steel wire is bonded to by particle damping energy dissipation element 4
14, and steel wire 14 is bound to 11 surface of bar-mat reinforcement.
4）As bar-mat reinforcement 11 is put into template by Fig. 1,2, and the concrete that placing intensity is C30-C50, to each prestressing force
Reinforcing bar carries out prestressed stretch-draw, is vibrated and conserved to concrete, and concrete slab 2 was cut after 28 days and is all around held
The termination of the deformed bar in face is simultaneously demoulded；So far the particle damping energy dissipation vibration reducing track plate 1 of the present embodiment completes.
The advantageous effects of the present embodiment are：The particle damping energy dissipation element being arranged in concrete slab can absorb respectively
The vibrational energy of kind frequency, and then change the original structure damping and vibratory response of track plates, significantly reduce track plates
The natural frequency of vibration and bounce-back to the vibrational energy of rail and track plates, reduce rail wheeling action, improve the security of driving
And ride comfort；In addition, particle damping energy dissipation element is embedded in inside concrete slab, the track geometry of track will not be significantly influenced,
Structural damping and the rigidity of structure can separately be considered in application process, or even steel spring is improved while structural damping is increased
Or the rigidity of rubber is come, and improves the ride comfort of track and the security of train.
Claims (8)
- A kind of 1. particle damping energy dissipation vibration reducing track plate, it is characterised in that：The particle damping energy dissipation vibration reducing track plate includes mixed Concrete board and the caoutchouc elasticity bed course for being arranged on the concrete slab lower surface；The inside of the concrete slab is embedded with some Particle damping energy dissipation element；Connected between the caoutchouc elasticity bed course and the concrete slab by embedded bar.
- A kind of 2. particle damping energy dissipation vibration reducing track plate 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.
- A kind of 3. particle damping energy dissipation vibration reducing track plate according to claim 2, it is characterised in that：The housing is six faces Body, its length of side is between 1.3 ~ 1.5cm.
- A kind of 4. particle damping energy dissipation vibration reducing track plate according to claim 2, it is characterised in that：The damping particles The material density of particle diameter, the filling rate of the damping particles and the damping particles with the particle damping energy dissipation vibration damping rail The Oscillation Amplitude of guidance tape during the work time is directly proportional.
- A kind of 5. particle damping energy dissipation vibration reducing track plate according to claim 1, it is characterised in that：The concrete slab Upper surface is provided with rail support groove.
- A kind of 6. particle damping energy dissipation vibration reducing track plate according to claim 1, it is characterised in that：In the concrete slab Portion is provided with least two layers of bar-mat reinforcement；Longitudinal prestressing reinforcing bar and transverse prestress steel are additionally provided with inside the concrete slab Muscle.
- A kind of 7. particle damping energy dissipation vibration reducing track plate according to claim 6, it is characterised in that：In the concrete slab The particle damping energy dissipation element in portion is bonded on steel wire；The steel wire be fitted in the surface of the bar-mat reinforcement and with the steel Muscle net banding fixed.
- A kind of 8. particle damping energy dissipation vibration reducing track plate according to claim 1, it is characterised in that：The embedded bar One end is embedded in inside the concrete slab, its other end is embedded in inside the caoutchouc elasticity bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962320.4U CN207244351U (en) | 2017-08-03 | 2017-08-03 | A kind of particle damping energy dissipation vibration reducing track plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962320.4U CN207244351U (en) | 2017-08-03 | 2017-08-03 | A kind of particle damping energy dissipation vibration reducing track plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207244351U true CN207244351U (en) | 2018-04-17 |
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ID=61878973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962320.4U Expired - Fee Related CN207244351U (en) | 2017-08-03 | 2017-08-03 | A kind of particle damping energy dissipation vibration reducing track plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN207244351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709017A (en) * | 2018-06-28 | 2018-10-26 | 江苏科技大学 | A kind of pipeline crossing cabin isolation mounting |
| CN113094790A (en) * | 2021-04-09 | 2021-07-09 | 江西省交通工程集团有限公司 | Calculation method for self-vibration frequency of pretensioned prestressed concrete simply-supported hollow slab beam |
-
2017
- 2017-08-03 CN CN201720962320.4U patent/CN207244351U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709017A (en) * | 2018-06-28 | 2018-10-26 | 江苏科技大学 | A kind of pipeline crossing cabin isolation mounting |
| CN113094790A (en) * | 2021-04-09 | 2021-07-09 | 江西省交通工程集团有限公司 | Calculation method for self-vibration frequency of pretensioned prestressed concrete simply-supported hollow slab beam |
| CN113094790B (en) * | 2021-04-09 | 2023-03-03 | 江西省交通工程集团有限公司 | Calculation method for self-vibration frequency of pre-tensioned prestressed concrete simply-supported hollow slab beam |
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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: 20180417 Termination date: 20200803 |