CN105202092A - Driven type particle damping shock absorber for railway vehicle - Google Patents
Driven type particle damping shock absorber for railway vehicle Download PDFInfo
- Publication number
- CN105202092A CN105202092A CN201510660872.5A CN201510660872A CN105202092A CN 105202092 A CN105202092 A CN 105202092A CN 201510660872 A CN201510660872 A CN 201510660872A CN 105202092 A CN105202092 A CN 105202092A
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- rubber
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- vibration damping
- damping
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- 238000013016 damping Methods 0.000 title claims abstract description 61
- 239000002245 particle Substances 0.000 title claims abstract description 57
- 239000006096 absorbing agent Substances 0.000 title abstract description 6
- 230000035939 shock Effects 0.000 title abstract description 6
- 239000005060 rubber Substances 0.000 claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 239000011229 interlayer Substances 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
本发明公开了一种轨道车辆用被动式颗粒阻尼减振器，属于车辆减振技术领域。其包括上下盖板式接头、橡胶球铰、销轴、圆弹簧、外壳、减振颗粒等。外壳由柱体拼焊，在其中装入体积比为50-70%的减振颗粒；上接头与外壳一端通过减振片固结；下接头与外壳另一端焊接；橡胶球铰与销轴装配，在保证构架相对于车轮轴箱有一定刚度和位移要求下将减振器与转向架连接在一起；圆弹簧作为弹性元件提供一定的刚度，通过压制的方式置于上下接头端板中间。本发明利用颗粒之间以及颗粒与边界间的碰撞及摩擦消耗振动能量，结构简单，基本不受温度影响，可靠度高。
The invention discloses a passive particle damping shock absorber for rail vehicles, which belongs to the technical field of vehicle vibration reduction. It includes upper and lower cover plate joints, rubber ball joints, pin shafts, circular springs, shells, vibration-damping particles, etc. The shell is tailor-welded by a cylinder, and damping particles with a volume ratio of 50-70% are filled in it; the upper joint and one end of the shell are consolidated through a damping plate; the lower joint is welded to the other end of the shell; the rubber ball hinge is assembled with the pin The shock absorber and the bogie are connected together under the requirements of ensuring that the frame has a certain stiffness and displacement relative to the wheel axle box; the circular spring is used as an elastic element to provide a certain stiffness, and is placed in the middle of the upper and lower joint end plates by pressing. The invention utilizes the collision and friction between particles and between particles and boundaries to consume vibration energy, has a simple structure, is basically not affected by temperature, and has high reliability.
Description
Technical field
The present invention relates to rail vehicle field, a kind of passive type particle damped vibration attenuation device used for rail vehicle.
Background technique
Particle damped vibration attenuation device is a kind of vibration damper grown up on particle damping basis, there is the features such as simple and reliable for structure, quality is light, cost is low, damping is very remarkable, be mainly used in Passive Control field, especially at the industrial field of some bad environments.
Hot-short existing one is some shortcomings that vertical damping shock absorber has below: 1 sealing requirements is high, may occur leakage of oil after service time is long; 2. pair by a narrow margin the vibration of high frequency or amplitude low-frequency can not control effectively, in particular cases may affect riding comfort; 3. price is higher, and manufacturing process is loaded down with trivial details, and environmental pollution is large, does not meet the macro-goal that national energy-saving reduces discharging; 4. oil pressure damping shock absorber dependence on import, cause cost of production to rise, economic benefit is low.5. the power consumption impact of external temperature on hydraulic damper is comparatively large, and when temperature is higher, damping significantly reduces.
For the problems referred to above, design cost of production low, good in economic efficiency, environmental suitability vibration damper that is high and good damping result is the Focal point and difficult point of work.
Summary of the invention
Target of the present invention be to provide a kind of rational in infrastructure, good endurance, reliability are high, the used for rail vehicle passive type particle damped vibration attenuation device low to temperature sensitivity, are vertical damping shock absorber in order to replace existing one.
The one passive type particle damped vibration attenuation used for rail vehicle device that the present invention proposes, comprise shell, rubber interlayer, vibration damping particle and coil spring, described shell vertical is arranged, hierachical structure is adopted in it, be furnished with some rubber interlayers from top to bottom, between neighbouring rubber interlayer, be provided with gap, in described rubber interlayer cavity, be furnished with vibration damping particle, shell one end is cemented in upper connection by clasp, and the other end welds with lower contact; The outer wall of shell is suppressed with coil spring; By the vibrational energy of the friction between vibration damping particle and between vibration damping particle and rubber interlayer inwall and collision effect consumption systems, reach vibration damping object.When initial excited frequency is large, due to collision effect, between vibration damping particle and between vibration damping particle and rubber interlayer inwall, momentum transfer occurs, kinetic transformation becomes heat energy; And when initial excited frequency is lower, to rub as main power consumption form between vibration damping particle and between vibration damping particle and rubber interlayer inwall, to reach the object of oscillation damping and energy dissipating.
In the present invention, described rubber interlayer is column type structure, and shell is cylindrical structure, described rubber interlayer and shell coaxially arranged.
In the present invention, the spring parameter of coil spring and is journal box spring parameter coordination, not only appropriateness can reduce a journal box spring rigidity, can increase again the stability of whole bogie.
In the present invention, described upper connection or lower contact are provided with rubber bushing, described rubber bushing is pressed into upper connection or lower contact by precompressed mode, described two rubber bushings are connected with axle box seating and framework fitting seat respectively by bearing pin, by the connection of rubber bushing, be not only between axle box and framework and certain allowable displacement is provided, slow down the vibration & noise of joint further yet.
In the present invention, the attribute such as kind, quantity, size of described vibration damping particle can be placed according to different vehicle truth, kind to comprise in plastics, rubber or metal etc. more than one, in each rubber interlayer, the 50-80% of the quantity duty cavity volume of vibration damping particle, its diameter is 0.1mm-5mm, produces different dampening range, makes it have larger Applicable scope.
In the present invention, shell and the upper head joint that connects are provided with rubber damping sheet, avoided the direct collision of shell and upper connection, reduce and impact by rubber damping sheet.
In the present invention, upper connection adopts circular limited post, and restriction housing radial-play, makes its axial displacement at 0-20mm.
In the present invention, after described vibration damping particle loads rubber interlayer, rubber interlayer opening part arranges cover plate, adopts welding sealing.
The present invention has following beneficial effect:
(1) passive type particle damped vibration attenuation device used for rail vehicle of the present invention, simple and reliable for structure, and good damping result, adaptability is high, compensate for the shortcoming of traditional oils pressure damper.
(2) passive type particle damped vibration attenuation device used for rail vehicle of the present invention, belongs to the vibration damper of maintenance-free type, easy accessibility, and through long-time running, losing efficacy may appear in rubber bushing, directly changes ball pivot.
Accompanying drawing explanation
Fig. 1 is passive type particle damped vibration attenuation device schematic diagram used for rail vehicle;
In Fig. 1: 1, upper connection, 2, rubber bushing, 3, bearing pin, 4, rubber damping sheet, 5, clasp, 6, rubber interlayer, 7, shell, 8, coil spring, 9, vibration damping particle, 10, lower contact;
Fig. 2 is shell of the present invention, rubber interlayer, coil spring and vibration damping granular structure relation schematic diagram;
In Fig. 2: 6, rubber interlayer, 7, shell, 8, coil spring, 9, vibration damping particle;
Fig. 3 is upper connection of the present invention, clasp, rubber damping sheet and shell mechanism relation schematic diagram;
In Fig. 3: 1, upper connection, 4, rubber damping sheet, 5, clasp, 7, shell.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment 1: a kind of passive type particle damped vibration attenuation device used for rail vehicle, and as shown in Figure 1, Figure 2 and Figure 3, comprise shell 7, it is cylindrical that described shell 7 adopts composite damping steel plate to make, and be divided into upper and lower two cavitys in it, described cavity is rubber interlayer 6; Rubber interlayer 6 is arranged in shell 7 cavity, is interference fit; Vibration damping particle 9, the vibration damping particle 9 that volume ratio is 50-70% is loaded in each rubber interlayer 6, the selection of its parameter will be determined according to actual vehicle situation, and Vehicular vibration environment is more violent and complicated, can to be selected in steel ball, shot or other Metal Ball more than one, and viscoelastic material particle or non-metallic particle can be added simultaneously, adopt its plastic deformation consumed energy in collision process, cover steel plate more afterwards, welding seals; Shell 7 one end is welded with lower contact 10, and shell 7 the other end is cemented in upper connection 1 by clasp 5, and shell 7 and upper connection 1 joint are placed with rubber damping sheet 4, avoids shell 7 and the direct collision of upper connection 1, reduce and impact by rubber damping sheet 4; Coil spring 8 adopts Special spring Steel material to make, be placed in the middle of upper connection 1, lower contact 10 end plate by the mode of compacting, the selection of its parameter needs according to vehicle one to be other vehicle reference comprehensive selection such as journal box spring and secondary spring, ensure vehicle stability, stability and Security when, the vibration of the minimizing vehicle of maximum possible, and under rubber bushing failure conditions, ensure the performance of damper; Rubber bushing 2, is pressed in upper connection and lower contact respectively by precompressed mode, then is connected with axle box seating and framework fitting seat respectively by bearing pin 3, and its rubber material proportioning, according to vehicle actual demand, will meet rigidity and the rigidity requirement of all directions.
Working principle of the present invention:
In passive type particle damped vibration attenuation device oscillation damping and energy dissipating process, by filling vibration damping particle in the constrained space in oscillating body, utilize the vibrational energy of friction between vibration damping particle and between particle and damping wall and collision effect consumption systems, reach vibration damping object.When initial excited frequency is large, due to collision effect, between particle and between particle and damping wall, momentum transfer occurs, kinetic transformation becomes heat energy.And when initial excited frequency is lower, to rub as main power consumption form between particle and between particle and damping wall, to reach the object of oscillation damping and energy dissipating.
Above-mentioned is only preferred version of the present invention, and those skilled in the art's some changes on this basis, also should belong to the protection domain of this patent.
Claims (7)
1. a passive type particle damped vibration attenuation device used for rail vehicle, it is characterized in that comprising shell, rubber interlayer, vibration damping particle and coil spring, described shell vertical is arranged, hierachical structure is adopted in it, be furnished with some rubber interlayers from top to bottom, between neighbouring rubber interlayer, be provided with gap, in described rubber interlayer cavity, be furnished with vibration damping particle, shell one end is cemented in upper connection by clasp, and the other end welds with lower contact; The outer wall of shell is suppressed with coil spring; By the vibrational energy of the friction between vibration damping particle and between vibration damping particle and rubber interlayer inwall and collision effect consumption systems, reach vibration damping object; When initial excited frequency is large, due to collision effect, between vibration damping particle and between vibration damping particle and rubber interlayer inwall, momentum transfer occurs, kinetic transformation becomes heat energy; And when initial excited frequency is lower, to rub as main power consumption form between vibration damping particle and between vibration damping particle and rubber interlayer inwall, to reach the object of oscillation damping and energy dissipating.
2. passive type particle damped vibration attenuation device used for rail vehicle according to claim 1, it is characterized in that described rubber interlayer is column type structure, shell is cylindrical structure, described rubber interlayer and shell coaxially arranged.
3. passive type particle damped vibration attenuation device used for rail vehicle according to claim 1, it is characterized in that the spring parameter and of coil spring is journal box spring parameter coordination, not only appropriateness can reduce a journal box spring rigidity, the stability of whole bogie can be increased again.
4. passive type particle damped vibration attenuation device used for rail vehicle according to claim 1, it is characterized in that described upper connection or lower contact are provided with rubber bushing, described rubber bushing is pressed into upper connection or lower contact by precompressed mode, described two rubber bushings are connected with axle box seating and framework fitting seat respectively by bearing pin, by the connection of rubber bushing, be not only between axle box and framework and certain allowable displacement is provided, slow down the vibration & noise of joint further yet.
5. passive type particle damped vibration attenuation device used for rail vehicle according to claim 1, it is characterized in that the kind of described vibration damping particle, quantity, size attribute can be placed according to different vehicle truth, kind to comprise in plastics, rubber or metal more than one, in each rubber interlayer, the 50-80% of the quantity duty cavity volume of vibration damping particle, its diameter is 0.1mm-5mm, produces different dampening range, makes it have larger Applicable scope.
6. passive type particle damped vibration attenuation device used for rail vehicle according to claim 1, be is characterized in that shell and the upper head joint that connects are provided with rubber damping sheet, is avoided the direct collision of shell and upper connection, reduce and impact by rubber damping sheet.
7. passive type particle damped vibration attenuation device used for rail vehicle according to claim 1, is characterized in that upper connection adopts circular limited post, and restriction housing radial-play, makes its axial displacement at 0-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660872.5A CN105202092A (en) | 2015-10-15 | 2015-10-15 | Driven type particle damping shock absorber for railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660872.5A CN105202092A (en) | 2015-10-15 | 2015-10-15 | Driven type particle damping shock absorber for railway vehicle |
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| CN105202092A true CN105202092A (en) | 2015-12-30 |
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| CN201510660872.5A Pending CN105202092A (en) | 2015-10-15 | 2015-10-15 | Driven type particle damping shock absorber for railway vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889383A (en) * | 2016-06-30 | 2016-08-24 | 青岛理工大学 | Self-balancing train wheel and method based on powder vibration and noise reduction |
| CN105952837A (en) * | 2016-07-14 | 2016-09-21 | 同济大学 | Compound vibration isolating device based on air spring and particle damping material |
| CN107131246A (en) * | 2017-06-08 | 2017-09-05 | 江苏大学 | A kind of compound vibration-damper |
| CN108215755A (en) * | 2016-12-13 | 2018-06-29 | 福特全球技术公司 | For the particle damper assembly of vehicle |
| CN111022547A (en) * | 2019-12-18 | 2020-04-17 | 东莞理工学院 | A kind of particle damping rail vibration damping device based on mortise and tenon connection |
| CN111914356A (en) * | 2020-07-30 | 2020-11-10 | 中车唐山机车车辆有限公司 | Vibration damping supporting device, rail vehicle and train floor area vibration isolation design method |
| US11215235B2 (en) | 2017-03-07 | 2022-01-04 | Siemens Aktiengesellschaft | Coupling element having vibration damping |
| CN114458712A (en) * | 2022-02-25 | 2022-05-10 | 西南交通大学 | Subway floating plate broadband shock absorber based on particle damping |
| CN114753495A (en) * | 2022-03-03 | 2022-07-15 | 上海尤安建筑设计股份有限公司 | Steel reinforced concrete column steel beam node |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2239113A (en) * | 1939-03-27 | 1941-04-22 | Union Asbestos & Rubber Co | Cushioning device |
| CN101597925A (en) * | 2009-06-19 | 2009-12-09 | 北京工业大学 | Built-in granular tuning and frictional collision energy dissipation damper |
| CN202493618U (en) * | 2012-03-05 | 2012-10-17 | 北京工业大学 | Partition type lamination particle damper |
| CN203500367U (en) * | 2013-09-18 | 2014-03-26 | 隆鑫通用动力股份有限公司 | Rear shock absorber for motorcycle |
| CN204025491U (en) * | 2014-07-31 | 2014-12-17 | 天津天德减震器有限公司 | Electric vehicle changes the rear shock absorber band main assemblage of spring of performance force value |
-
2015
- 2015-10-15 CN CN201510660872.5A patent/CN105202092A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2239113A (en) * | 1939-03-27 | 1941-04-22 | Union Asbestos & Rubber Co | Cushioning device |
| CN101597925A (en) * | 2009-06-19 | 2009-12-09 | 北京工业大学 | Built-in granular tuning and frictional collision energy dissipation damper |
| CN202493618U (en) * | 2012-03-05 | 2012-10-17 | 北京工业大学 | Partition type lamination particle damper |
| CN203500367U (en) * | 2013-09-18 | 2014-03-26 | 隆鑫通用动力股份有限公司 | Rear shock absorber for motorcycle |
| CN204025491U (en) * | 2014-07-31 | 2014-12-17 | 天津天德减震器有限公司 | Electric vehicle changes the rear shock absorber band main assemblage of spring of performance force value |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889383A (en) * | 2016-06-30 | 2016-08-24 | 青岛理工大学 | Self-balancing train wheel and method based on powder vibration and noise reduction |
| CN105952837A (en) * | 2016-07-14 | 2016-09-21 | 同济大学 | Compound vibration isolating device based on air spring and particle damping material |
| CN108215755A (en) * | 2016-12-13 | 2018-06-29 | 福特全球技术公司 | For the particle damper assembly of vehicle |
| US11215235B2 (en) | 2017-03-07 | 2022-01-04 | Siemens Aktiengesellschaft | Coupling element having vibration damping |
| CN107131246A (en) * | 2017-06-08 | 2017-09-05 | 江苏大学 | A kind of compound vibration-damper |
| CN111022547A (en) * | 2019-12-18 | 2020-04-17 | 东莞理工学院 | A kind of particle damping rail vibration damping device based on mortise and tenon connection |
| CN111022547B (en) * | 2019-12-18 | 2022-03-22 | 东莞理工学院 | Particle damping track vibration damper based on mortise and tenon connection |
| CN111914356A (en) * | 2020-07-30 | 2020-11-10 | 中车唐山机车车辆有限公司 | Vibration damping supporting device, rail vehicle and train floor area vibration isolation design method |
| CN111914356B (en) * | 2020-07-30 | 2023-08-08 | 中车唐山机车车辆有限公司 | Vibration reduction supporting device, railway vehicle and train floor area vibration isolation design method |
| CN114458712A (en) * | 2022-02-25 | 2022-05-10 | 西南交通大学 | Subway floating plate broadband shock absorber based on particle damping |
| CN114753495A (en) * | 2022-03-03 | 2022-07-15 | 上海尤安建筑设计股份有限公司 | Steel reinforced concrete column steel beam node |
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Application publication date: 20151230 |