CN109868695A - A kind of novel cycle fastener structures based on hydraulic viscous damping - Google Patents
A kind of novel cycle fastener structures based on hydraulic viscous damping Download PDFInfo
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- CN109868695A CN109868695A CN201910286003.9A CN201910286003A CN109868695A CN 109868695 A CN109868695 A CN 109868695A CN 201910286003 A CN201910286003 A CN 201910286003A CN 109868695 A CN109868695 A CN 109868695A
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- 238000013016 damping Methods 0.000 title claims abstract description 25
- 230000000737 periodic effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 241001669679 Eleotris Species 0.000 claims description 3
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- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 claims 1
- 229940083037 simethicone Drugs 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229940008099 dimethicone Drugs 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- Railway Tracks (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of novel cycle fastener structures based on hydraulic viscous damping, it is characterised in that: it includes that tuning quality withholds spring, screw spike, elastic washer, nut, hydraulic viscous damper, height adjusting cushion plate.Overall structure of the present invention is simple, easily manufactured, it can be arranged in the rail traffics such as high-speed rail, subway, the influence caused by absorbing the Wheel Rail Vibration due to caused by track irregularity to ambient enviroment can effectively be reduced, ground vibration caused by effectively reducing train in the process of running improves the living environment of nearby residents along route.
Description
Technical field
The present invention relates to a kind of fastener systems, belong to vibration noise reduction technology field, and in particular to one kind is based on hydraulic
The novel cycle fastener structures of viscous damping.
Background technique
In the rail traffics vibration control measure such as existing high-speed rail, subway, Damping fastening is mostly used to control due to rail
Influence caused by Wheel Rail Vibration caused by road irregularity to ambient enviroment, technical standard achieved is limited, sometimes cannot
Meet existing Noise and Vibration Control standard, will increase the vibration of ambient enviroment instead, is unable to reach the requirement of technical standard.It needs
It is to be understood that vibration can not completely disappear in existing vibration control measure, can only by this technology to vibrate into
Row weakens, until the effect of vibration is in the range of our permissions.
For example, by theoretically can be with using Damping fastenings such as the double-deck non-linear fastener, floating rail fasteners in subway tunnel
The phenomenon that reducing the vibratory response on ground, but sometimes ground vibration being amplified, especially floating rail fastener and bilayer are non-thread
Property fastener can make ground vibration to low frequency offset.Expected effectiveness in vibration suppression is often not achieved and due to using Damping fastening,
Cause fastener vertical stiffness to be less than conventional fastener, so that orbit strength reduces, leads to the generation of track side abrasion wave mill disease.
Rail-fastener-sleeper has good periodicity, and in solid state physics, periodic structure has to elastic wave
Decaying domain characteristic, i.e. band gap properties.When the frequency of elastic wave is fallen within the scope of decaying domain, the propagation of wave will be greatly attenuated.
The working principle of gap viscous damper be damper by foreign impacts when, cylinder body and piston generate opposite fortune
Dynamic, the volume of piston side becomes smaller, and viscous damping material is forced to flow to the side of volume increase by gap, and damping material is cut
It cuts flowing and generates damping force come the impact energy that dissipates, to achieve the purpose that buffering.Wish that the damper generates very big resistance,
The displacement of rail can be limited and absorb energy and share impact force.
Using its bandgap properties of periodic structure, completely new vibration isolation, denoising structure can be designed, bonding gap viscous damping is former
Reason designs novel fastener, it is desirable to which the fastener system can generate very big resistance, can limit in the case where keeping greater stiffness
The displacement of rail processed, and energy can be absorbed and share impact force.Set about on the propagation path of wave, reduces ground vibration response.
Summary of the invention
The purpose of the present invention is to provide a kind of novel cycle fastener structures based on hydraulic viscous damping effectively to drop
Low train in the process of running caused by ground vibration, improve route along nearby residents living environment.
Specifically, the purpose of the present invention is to provide a kind of novel cycle fastener knot based on hydraulic viscous damping
Structure, it is characterised in that: it is characterized by: it includes that tuning quality withholds spring 1, screw spike 2, elastic washer 3, nut 4, liquid
Press viscous damper 5, height adjusting cushion plate 6.
Further, it is characterised in that: it is a kind of novel bullet produced by carbon fibre material that tuning quality, which withholds spring 1,
Item, compared to traditional elastic material, the stiffness and strength of carbon fiber are all due to traditional spring material, and density only has traditional bullet
1/4 or so of item.It withholds setting in the middle part of spring in tuning quality to be convenient for adjusting quality embedded hole 1-1, by changing in embedded hole
The quality of insert 1-2 controls the function of tuning quality to reach.Coordination quality withholds spring 1 and passes through screw spike 2, elastic cushion
Circle 3, nut 4 are fixed on hydraulic viscous damper 5.
Further, it is characterised in that: tuning quality is withheld spring 1 and contacted with steel rail web, and tuning quality withholds spring 1
It is that steel rail web contact surface carries out frosting treatment, arranges W type broken line on hair side 1-1, to increase the frictional resistance of contact surface, prevent
Only tuning quality, which is withheld, occurs relative displacement between spring 1 and rail.
Further, it is characterised in that: tuning quality withholds spring 1 and adjusting quality cavity is arranged in the middle, by embedding
Enter the mass M of body 1-2 to adjust the mechanical model that entire tuning quality withholds spring.By simulation calculation, when change insert
When the mass M of 1-2, it may appear that different band gap properties carry out vibration damping to the operating condition of different requirements.
Further, it is characterised in that: screw spike 2 is a kind of г type structure, tuning quality can be withheld spring downwards
1 is tightly fixed by elastic washer 3 and nut 4 and hydraulic viscous damper 5, tuning quality can be made to withhold spring 1 to the right
Tightly clasp rail.
Further, it is characterised in that: screw spike 2 includes that vertical portion 2-1 and transverse part 2-2 and baffle 2-3 is formed.
Vertical portion 2-1 shows to be fixed on hydraulic viscous damper 5 with screw thread in order to which tuning quality is withheld spring 1, and fixed
Hydraulic viscous damper inner piston 5-3.Transverse part 2-2 is a kind of pressing device, can tightly push down tuning quality by rotation
It withholds spring 1 and has reached the purpose for further tightly clasping rail.Spring 1 is withheld when withholding tuning quality by transverse part 2-2
When, baffle 2-3 plays the purpose for compressing insert 1-2.
Further, it is characterised in that: spring washer 3 has suitable rigidity, is guaranteeing to be well positioned to meet washer
Effect is outer, should also generate certain deformation.
Further, it is characterised in that: hydraulic viscous damper 5 is that a cylindrical structure internal diameter is D, is a foot in bottom
4 bolt hole 5-1 are respectively arranged, are fixed on sleeper by 4 bolt hole 5-1.Inside is full of dimethicone 5-2,
Its density is ρ, dynamic viscosity μ, volume modulus K.Built-in piston 5-3 diameter d, piston are fixed on screw spike 2, piston
Gap between 5 inner wall of 5-2 and hydraulic viscous damper is h.By tuning quality withhold spring 1 transfer force to it is hydraulic viscous
The bulk modulus of damper 5, oil liquid isV is oil liquid volume above piston, and Δ V is stereomutation amount, Δ
P is pressure variety.Further, it is characterised in that: height adjusting cushion plate 6 has very big rigidity, reaches in fastener working condition
Under deformation occurs.K is controlled by the way that the gap between control piston 5-2 and 5 inner wall of hydraulic viscous damper is h.Pass through oil
The shear flow of liquid consumes the energy of impact.
Detailed description of the invention
Fig. 1 is a kind of novel cycle fastener structures schematic diagram based on hydraulic viscous damping of the invention (along rail side
To).
Fig. 2 is a kind of novel cycle fastener structures schematic diagram (rail side based on hydraulic viscous damping of the invention
To).
Fig. 3 is the schematic diagram that tuning quality withholds spring 1 in Fig. 1, wherein a is sectional view, and b is partial side view, and c is
Insert structure chart.
Fig. 4 a is the schematic diagram of screw spike 2 in Fig. 1.
Fig. 4 b is the top view of transverse part 2-2 in Fig. 4 a.
Fig. 5 is the schematic diagram of hydraulic viscous damper 5 in Fig. 1.
Specific embodiment
In order to keep technical solution of the present invention and advantage clearer, in the following with reference to the drawings and specific embodiments to the present invention
It is described in detail.
Specific embodiment 1: in conjunction with Fig. 1-Fig. 5 illustrate, present embodiment the purpose of the present invention is to provide a kind of bases
In the novel cycle fastener structures of hydraulic viscous damping, by taking non-fragment orbit as an example, it is characterised in that: it includes tuning quality button
Press spring 1, screw spike 2, elastic washer 3, nut 4, hydraulic viscous damper 5, height adjusting cushion plate 6.
Wherein, tuning quality is withheld 1 one end of spring and is contacted with steel rail web, and the other end is fixed on hydraulic viscous damper 5
On.Wherein, the tuning quality withholds spring 1 and is fixed on steel rail web and hydraulic viscous damping by components such as screw spikes 2
On device 5.
Preferably, tuning quality withhold spring 1 be it is a kind of by carbon fibre material produce novel spring, compared to it is traditional
Elastic material, the stiffness and strength of carbon fiber are all due to traditional spring material, and density only has 1/4 or so of traditional spring.?
Tuning quality withholds setting in the middle part of spring and is embedded in the quality of body 1-2 by change embedded hole convenient for adjusting quality embedded hole 1-1
To reach the function of control tuning quality.Coordinate quality and withholds spring 1.
Preferably, tuning quality is withheld spring 1 and is contacted with steel rail web, and tuning quality withholds spring 1 and is steel rail web
Contact surface carries out frosting treatment, arranges that W type broken line prevents tuning quality button to increase the frictional resistance of contact surface on hair side 1-1
Relative displacement occurs between pressure spring 1 and rail.
Preferably, tuning quality withhold spring 1 be arranged in the middle adjust quality cavity, pass through the mass M of insert 1-2
To adjust the mechanical model that entire tuning quality withholds spring.Pass through simulation calculation, when changing the mass M of insert 1-2, meeting
There are different band gap properties, vibration damping is carried out to the operating condition of different requirements.
Preferably, screw spike 2 is a kind of г type structure, and tuning quality can be withheld to downwards spring 1 and pass through elastic washer
3 and nut 4 and hydraulic viscous damper 5 it is tightly fixed, tuning quality can be made to withhold spring 1 upwards and tightly clasp rail.
Preferably, screw spike 2 includes that vertical portion 2-1 and transverse part 2-2 and baffle 2-3 is formed, it is preferable that vertical portion
Angle between 2-1 and transverse part 2-2 is 90 ° -100 °, it is highly preferred that being slightly 95 degree of obtuse angle, can save space
When, have higher compression strength.The surface vertical portion 2-1 have screw thread, in order to by tuning quality withhold spring 1 be fixed on it is hydraulic
On viscous damper 5, it is preferable that the vertical portion 2-1 passes through the hydraulic viscous damper 5 and is fixed on its bottom, and solid
Surely hydraulic viscous damper inner piston 5-3 is lived.Transverse part 2-2 is a kind of spiral clamping device, can tightly be adjusted by rotation
The length of transverse part 2-2, and then tuning quality can be pushed down and withhold spring 1 to achieve the purpose that tightly to clasp rail.When passing through
When transverse part 2-2 withholds tuning quality and withholds spring 1, baffle 2-3 plays the purpose for compressing insert 1-2.This screw spike 2 is suitable
Common 50 and 60 rails in state's iron and subway are closed, can be arrived by adjusting the length of transverse part 2-2 suitable for different type rail
The purpose in road.
Preferably, spring washer 3 has suitable rigidity, outside the effect for guaranteeing to be well positioned to meet washer, should also produce
Raw certain deformation.
Preferably, it is D that hydraulic viscous damper 5, which is a cylindrical structure internal diameter, is that a foot is respectively arranged 4 spiral shells in bottom
Keyhole 5-1 is fixed on sleeper by 4 bolt hole 5-1.Inside is full of dimethicone 5-2, density ρ, power
Viscosity μ, volume modulus K.Built-in piston 5-3 diameter d, piston are fixed on screw spike 2, piston 5-2 with it is hydraulic viscous
Gap between 5 inner wall of damper is h.Spring 1, which is withheld, by tuning quality transfers force to hydraulic viscous damper 5, oil liquid
Bulk modulus beV is oil liquid volume above piston, and Δ V is stereomutation amount, and Δ p is pressure change
Amount.Height adjusting cushion plate 6 has very big rigidity, reaches under fastener working condition that deformation occurs.Pass through control piston 5-2 and liquid
Gap between pressure 5 inner wall of viscous damper is h to control K.The energy of impact is consumed by the shear flow of oil liquid.
It should be noted that above-described embodiment is similarly suitable in different orbit forms, when prevailing relationship frequency range difference,
Only insert mass M need to be made according to demand and slightly being adjusted.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286003.9A CN109868695B (en) | 2019-04-10 | 2019-04-10 | A New Periodic Fastener Structure Based on Hydraulic Viscous Damping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286003.9A CN109868695B (en) | 2019-04-10 | 2019-04-10 | A New Periodic Fastener Structure Based on Hydraulic Viscous Damping |
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| Publication Number | Publication Date |
|---|---|
| CN109868695A true CN109868695A (en) | 2019-06-11 |
| CN109868695B CN109868695B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535082A (en) * | 2020-05-09 | 2020-08-14 | 上海工程技术大学 | A multi-directional hydraulic vibration-reducing force-vibration absorber structure for steel rails |
| CN115200693A (en) * | 2022-07-07 | 2022-10-18 | 华东交通大学 | Multifunctional road stud and monitoring method for bridge vibration monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08253902A (en) * | 1995-03-16 | 1996-10-01 | Bando Chem Ind Ltd | Rail elastic fastening device |
| CA2518176A1 (en) * | 2003-03-05 | 2004-09-16 | Corus Uk Limited | Rail damper |
| CN2782747Y (en) * | 2005-04-27 | 2006-05-24 | 衡水宝力工程橡胶有限公司 | Rail fastener |
| CN101413233A (en) * | 2008-11-11 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Method and device for designing shock and vibration absorption type steel rail suspending fastener |
| CN101413232A (en) * | 2008-11-11 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Method and device for designing wedge-type mounting floating rail vibration damping noise reduction fastener |
| KR20140000516U (en) * | 2012-08-02 | 2014-01-23 | 주식회사 에이브이티 | Rail fastening apparatus for controlling the uplift force in bridge |
| CN207846099U (en) * | 2018-01-26 | 2018-09-11 | 辛集市国实工贸有限责任公司 | A kind of track switch lead curve rail brace |
| CN109098047A (en) * | 2018-08-31 | 2018-12-28 | 吴江市通宇电梯轨道有限公司 | A kind of fastener device for rail |
-
2019
- 2019-04-10 CN CN201910286003.9A patent/CN109868695B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08253902A (en) * | 1995-03-16 | 1996-10-01 | Bando Chem Ind Ltd | Rail elastic fastening device |
| CA2518176A1 (en) * | 2003-03-05 | 2004-09-16 | Corus Uk Limited | Rail damper |
| CN2782747Y (en) * | 2005-04-27 | 2006-05-24 | 衡水宝力工程橡胶有限公司 | Rail fastener |
| CN101413233A (en) * | 2008-11-11 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Method and device for designing shock and vibration absorption type steel rail suspending fastener |
| CN101413232A (en) * | 2008-11-11 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Method and device for designing wedge-type mounting floating rail vibration damping noise reduction fastener |
| KR20140000516U (en) * | 2012-08-02 | 2014-01-23 | 주식회사 에이브이티 | Rail fastening apparatus for controlling the uplift force in bridge |
| CN207846099U (en) * | 2018-01-26 | 2018-09-11 | 辛集市国实工贸有限责任公司 | A kind of track switch lead curve rail brace |
| CN109098047A (en) * | 2018-08-31 | 2018-12-28 | 吴江市通宇电梯轨道有限公司 | A kind of fastener device for rail |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535082A (en) * | 2020-05-09 | 2020-08-14 | 上海工程技术大学 | A multi-directional hydraulic vibration-reducing force-vibration absorber structure for steel rails |
| CN111535082B (en) * | 2020-05-09 | 2021-08-10 | 上海工程技术大学 | Multidirectional hydraulic vibration reduction dynamic vibration absorber structure of steel rail |
| CN115200693A (en) * | 2022-07-07 | 2022-10-18 | 华东交通大学 | Multifunctional road stud and monitoring method for bridge vibration monitoring |
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| CN109868695B (en) | 2020-11-06 |
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