CN103572670A - Fastener for urban rail transit - Google Patents
Fastener for urban rail transit Download PDFInfo
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- CN103572670A CN103572670A CN201310541344.9A CN201310541344A CN103572670A CN 103572670 A CN103572670 A CN 103572670A CN 201310541344 A CN201310541344 A CN 201310541344A CN 103572670 A CN103572670 A CN 103572670A
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- rail
- fastener
- iron chair
- track traffic
- protection mechanism
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Abstract
The invention discloses a fastener for urban rail transit. The fastener comprises an iron base plate, two elastic strips, two bolts, two screw spikes and a steel rail protection mechanism, wherein the iron base plate is laid on a base; the steel rail protection mechanism is symmetrically arranged in the position of the central line of the iron base plate; a steel rail is pressed on the steel rail protection mechanism, and the bottom and sides of the bottom of the steel rail are wrapped in the steel rail protection mechanism; the two bolts and the two screw spikes are arranged on two sides of the steel rail respectively and are in a mirror symmetry relation about the steel rail; and the screw spikes penetrate through the iron base plate, penetrate into the base and are locked by nuts, the bolts are pressed on the elastic strips, penetrate through the iron base plate, abut against the base and are locked by nuts, the elastic strips are pressed on the iron base plate, and two ends of each elastic strip are pressed on parts, in which the sides of the bottom of the steel rail are wrapped, of the steel rail protection mechanism. The fastener has the benefit that operational and environmental requirements of whole-line laying of urban rail transit lines are satisfied.
Description
Technical field
The present invention relates to a kind of fastener, in particular for the fastener of urban track traffic.
Background technology
Fastener is for the fixing device of rail in track traffic, it is the important component part of track structure, its effect is that rail and sub rail foundation are connected into an integral body, the power that rail is suffered passes to sub rail foundation, and the tram that keeps rail, prevent that rail from producing vertical lateral displacement, certain track elasticity is provided simultaneously, play the effect of vibration and noise reducing.
In the process of deployment of current city rail traffic route at home, in order to meet the designing requirement of the different sections of circuit, conventionally need to adopt multiple fastener system, for example: on viaduct, need to lay the small-resistant fastener that can make rail slide, to protect the safety of bridge; Near school and scientific research institution etc., need to lay vibration and noise reduction fastener, to reduce pollution of NOISE ON ENVIRONMENT etc.When circuit need to be laid multiple different fastener, strengthened undoubtedly the difficulty of construction and the maintenance workload in circuit later stage, and existed the compatible problem of multiple different fastener.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fastener for urban track traffic, meets operation and environmental requirement that city rail traffic route is laid completely.
The present invention is achieved through the following technical solutions.
A kind of fastener for urban track traffic, comprise iron chair, two springs, two bolts, two screw spikes, rail protection mechanism, above-mentioned iron chair is laid on pedestal, above-mentioned rail protection mechanism is symmetricly set on above-mentioned iron chair midline, above-mentioned rail is pressed on above-mentioned rail protection mechanism and above-mentioned rail protection mechanism wraps bottom and the side, bottom of above-mentioned rail, above-mentioned two bolts, two screw spikes are separately positioned on above-mentioned rail both sides and symmetrical about above-mentioned rail mirror image, above-mentioned screw spike is through above-mentioned iron chair and penetrate said base and by nut locking, above-mentioned bolt is pressed on above-mentioned spring, through above-mentioned iron chair, support to said base and by nut locking, above-mentioned spring is pressed in above-mentioned iron chair, two end places are pressed in the part that above-mentioned rail protection mechanism is wrapped in above-mentioned rail foot side.
Further, above-mentioned screw spike stretches into the part suit nylon sleeve of pedestal.
Further, between above-mentioned iron chair and said base, be equipped with insulating pad.
Further, between the nut of above-mentioned bolt and above-mentioned spring, be provided with plain washer.
Further, between the nut of above-mentioned screw spike and above-mentioned iron chair, be provided with Flat gasket.
Further, the contact surface of above-mentioned iron chair and above-mentioned Flat gasket is provided with the broached-tooth design cooperatively interacting, and above-mentioned broached-tooth design prevents above-mentioned iron chair and above-mentioned Flat gasket transverse shifting.
Further, between the nut of above-mentioned screw spike and above-mentioned Flat gasket, be provided with spring washer.
Further; above-mentioned rail protection mechanism comprises resilient sleeper-bearing and two Insulation rail distance keepers under rail; under above-mentioned rail, resilient sleeper-bearing is arranged between above-mentioned rail and above-mentioned iron chair; cover the bottom of above-mentioned rail; above-mentioned two Insulation rail distance keeper cross sections are L-type and are symmetricly set on resilient sleeper-bearing both sides under above-mentioned rail; wrap up the side, bottom of above-mentioned rail, two end places of above-mentioned spring are pressed on above-mentioned Insulation rail distance keeper.
Further, the above-mentioned fastener for urban track traffic is when vertically heightening, between above-mentioned iron chair and above-mentioned insulating pad, height adjusting cushion plate under plate is set, or under above-mentioned iron chair and above-mentioned rail, between resilient sleeper-bearing, height adjusting cushion plate under rail is set, or under above-mentioned plate under height adjusting cushion plate and above-mentioned rail height adjusting cushion plate arrange simultaneously.
Beneficial effect of the present invention:
Provide that a kind of longitudinal resistance regulates that simple, anti-rail lateral force is strong, damping property is good, good insulation preformance, component are few, applicability urban track traffic universal fastening widely, can meet operation and environmental requirement that city rail traffic route is laid completely.
Accompanying drawing explanation
Fig. 1 is the implementation case for the structural representation of facing of the fastener of urban track traffic;
Fig. 2 is that the implementation case is for the schematic top plan view of the fastener of urban track traffic;
Fig. 3 is the schematic diagram of the implementation case iron chair.
The specific embodiment
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the implementation case for the structural representation of facing of the fastener of urban track traffic; Fig. 2 is that the implementation case is for the schematic top plan view of the fastener of urban track traffic; with reference to Fig. 1, Fig. 2; the present invention; for the fastener of urban track traffic, comprise iron chair 6, two springs 4, two bolts 1, two screw spikes 10, rail protection mechanism.
Wherein, iron chair 6 is laid on pedestal 8; rail protection mechanism is symmetricly set on the midline of iron chair 6; rail 14 is pressed on rail protection mechanism and rail protection mechanism wraps bottom and the side, bottom of rail 14; two bolts 1, two screw spikes 10 are separately positioned on rail 14 both sides; and symmetrical about rail 14 mirror images, two bolts 1, two screw spikes 10 are X-type about rail 14 and are symmetrical arranged.Screw spike 10 is through iron chair 6 and penetrate pedestal 8 and by nut locking; bolt 1 is pressed on spring 4; bolt 1 supports to pedestal 8 and by nut locking through iron chair 6, and spring 4 is pressed in iron chair 6, two end places are pressed in the part that rail protection mechanism is wrapped in rail 14 sides, bottom.
About rail protection mechanism; in the implementation case; rail protection mechanism comprises resilient sleeper-bearing 5 and two Insulation rail distance keepers 9 under rail; under rail, resilient sleeper-bearing 5 is arranged between rail 14 and iron chair 6; cover the bottom of rail 14; two Insulation rail distance keeper 9 cross sections are L-type and are symmetrical arranged and descend in-orbit resilient sleeper-bearing 5 both sides, the side, bottom of parcel rail 14, and two end places of spring 4 are pressed on Insulation rail distance keeper 9.
In the implementation case, between iron chair 6 and pedestal 8, be equipped with insulating pad 7.
Under rail, resilient sleeper-bearing 5 is to take thermoplastic elastomer (TPE) TPEE as material, and its quiet rigidity is 25～35kN/mm; Insulating pad 7 varies in size by its skin friction resistance, be divided into resilient sleeper-bearing and slight drag location elastic composite backing plate for normal resistance location, elastic composite backing plate is at resilient sleeper-bearing upper surface spraying one deck high molecular abrasion-proof material polysulfones ether, to reduce frictional resistance.When laying rail system on bridge, consider that track expands with heat and contract with cold, if track friction resistance is large, can affect the stability of bridge, at this moment must laying can reduce the elastic composite backing plate of system friction resistance, this location is called as slight drag location.
In the implementation case, screw spike 10 stretches into the part suit nylon sleeve 13 of pedestal 8, between the nut of bolt 1 and spring 4, is provided with plain washer 3, and plain washer 3 plays the effect of protection bolt 1 and spring 4, reduces both damages.
With reference to Fig. 3 and in conjunction with Fig. 1, Fig. 2, in the implementation case, between the nut of screw spike 10 and iron chair 6, be provided with Flat gasket 12, iron chair 6 is provided with the contact surface of Flat gasket 12 broached-tooth design cooperatively interacting, and broached-tooth design prevents iron chair 6 and Flat gasket 12 transverse shiftings, between the nut of screw spike 10 and Flat gasket 12, is provided with spring washer 11.So arrange and increased anti-rail transversal force capacities, be not more than 30kN increase to and be not more than 40kN by common fastener, overcome the little curved section at circuit, common urban track traffic fastener often can not keep the shortcoming of gauge.
The right side half figure with reference to Fig. 1, in the implementation case, fastener is when vertically heightening, height adjusting cushion plate 16 under plate is set between iron chair 6 and insulating pad 7, or height adjusting cushion plate 15 under rail is set between resilient sleeper-bearing 5 under iron chair 6 and rail, or under plate under height adjusting cushion plate 16 and rail height adjusting cushion plate 15 arrange simultaneously.
The present invention, for the fastener of urban track traffic:
1, the elastic-strip pressure of fastener is 8kN left and right, and dynamics is moderate, guaranteeing, under the prerequisite of security of system, to have reduced the lateral pressure of system, is easy to realize less fastener longitudinal resistance;
2, fastener is by installing hole being the iron chair that the installation place of screw spike is provided with laciniation, increased anti-rail transversal force capacities, by common fastener, being not more than 30kN increases to and is not more than 40kN, overcome the little curved section at circuit, common urban track traffic fastener often can not keep the shortcoming of gauge;
3, by using TPEE to produce elastic layer, make the rigidity good linearity of elastic layer, be easy to control and optimize, product effect of vibration and noise reduction is good, and its antifatigue and ageing resistace are also improved;
4, by spraying one deck high molecular abrasion-proof material polysulfones ether on resilient sleeper-bearing under the rail in TPEE manufacture of materials, obtain slight drag resilient sleeper-bearing under the rail that skin friction resistance is about 0.2 left and right, met city rail traffic route normal resistance location and the general requirement of slight drag location fastener;
5, it is applicable, simple in structure that system can realize all fronts road, is convenient to manufacture, construction and later maintenance.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow the personage who is familiar with this art can understand content of the present invention and be implemented, and can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (9)
1. the fastener for urban track traffic, it is characterized in that, comprise iron chair, two springs, two bolts, two screw spikes, rail protection mechanism, described iron chair is laid on pedestal, described rail protection mechanism is symmetricly set on described iron chair midline, described rail is pressed on described rail protection mechanism and described rail protection mechanism wraps bottom and the side, bottom of described rail, described two bolts, two screw spikes are separately positioned on described rail both sides and symmetrical about described rail mirror image, described screw spike is through described iron chair and penetrate described pedestal and by nut locking, described bolt is pressed on described spring, through described iron chair, support to described pedestal and by nut locking, described spring is pressed in described iron chair, two end places are pressed in the part that described rail protection mechanism is wrapped in described rail foot side.
2. the fastener for urban track traffic according to claim 1, is characterized in that, described screw spike stretches into the part suit nylon sleeve of pedestal.
3. the fastener for urban track traffic according to claim 1, is characterized in that, between described iron chair and described pedestal, is equipped with insulating pad.
4. the fastener for urban track traffic according to claim 1, is characterized in that, between the nut of described bolt and described spring, is provided with plain washer.
5. the fastener for urban track traffic according to claim 1, is characterized in that, between the nut of described screw spike and described iron chair, is provided with Flat gasket.
6. the fastener for urban track traffic according to claim 5, it is characterized in that, the contact surface of described iron chair and described Flat gasket is provided with the broached-tooth design cooperatively interacting, and described broached-tooth design prevents described iron chair and described Flat gasket transverse shifting.
7. the fastener for urban track traffic according to claim 5, is characterized in that, between the nut of described screw spike and described Flat gasket, is provided with spring washer.
8. according to the fastener for urban track traffic described in claim 1-7 Arbitrary Term; it is characterized in that; described rail protection mechanism comprises resilient sleeper-bearing and two Insulation rail distance keepers under rail; under described rail, resilient sleeper-bearing is arranged between described rail and described iron chair; cover the bottom of described rail; described two Insulation rail distance keeper cross sections are L-type and are symmetricly set on resilient sleeper-bearing both sides under described rail; wrap up the side, bottom of described rail, two end places of described spring are pressed on described Insulation rail distance keeper.
9. according to the fastener for urban track traffic described in claim 1-7 Arbitrary Term, it is characterized in that, the described fastener for urban track traffic is when vertically heightening, between described iron chair and described insulating pad, height adjusting cushion plate under plate is set, or under described iron chair and described rail, between resilient sleeper-bearing, height adjusting cushion plate under rail is set, or under described plate under height adjusting cushion plate and described rail height adjusting cushion plate arrange simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541344.9A CN103572670A (en) | 2013-11-05 | 2013-11-05 | Fastener for urban rail transit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541344.9A CN103572670A (en) | 2013-11-05 | 2013-11-05 | Fastener for urban rail transit |
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| Publication Number | Publication Date |
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| CN103572670A true CN103572670A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310541344.9A Pending CN103572670A (en) | 2013-11-05 | 2013-11-05 | Fastener for urban rail transit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358192A (en) * | 2014-10-22 | 2015-02-18 | 安徽省巢湖铸造厂有限责任公司 | Tramcar buckling piece with large adjustment range |
| CN104358191A (en) * | 2014-10-22 | 2015-02-18 | 安徽省巢湖铸造厂有限责任公司 | Embedded type fastener for tramcar |
| CN104372723A (en) * | 2014-10-22 | 2015-02-25 | 安徽省巢湖铸造厂有限责任公司 | Elastic strip base heightening cushion block for tramcar fastener |
| CN111139694A (en) * | 2020-01-16 | 2020-05-12 | 广州地铁设计研究院股份有限公司 | Track bed changes its course and uses backing plate structure |
| CN111218865A (en) * | 2020-03-09 | 2020-06-02 | 中铁二院工程集团有限责任公司 | Adjustable split type medium-low speed magnetic suspension fastener system |
| CN111663378A (en) * | 2020-06-19 | 2020-09-15 | 无锡圣丰减震器有限公司 | Urban rail transit line turnout shock absorber |
| CN112681029A (en) * | 2020-12-28 | 2021-04-20 | 上海工程技术大学 | Switch type elastic strip fastener system for urban railway |
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| DE2102306A1 (en) * | 1971-01-19 | 1972-08-03 | Lechler Chemie Gmbh, 7000 Stuttgart | Elastic fastening of track rails on a solid substructure |
| CN2342010Y (en) * | 1998-08-24 | 1999-10-06 | 铁道部科学研究院铁道建筑研究所 | Small resistance steel rail fastener for overhead ballast-free rail |
| CN2630303Y (en) * | 2003-05-15 | 2004-08-04 | 范佩鑫 | Self-locking rail two-layer vibration-damping noise-reducing fastener |
| CN2885923Y (en) * | 2006-03-22 | 2007-04-04 | 铁道科学研究院铁道建筑研究所 | Non-ballast railway track fastener |
| CN101061274A (en) * | 2004-10-19 | 2007-10-24 | 潘得路有限公司 | Railway track construction shim and method of constructing railway track |
| CN201077936Y (en) * | 2007-09-06 | 2008-06-25 | 北京佰路宁科技有限公司 | Non ballast railway fastener |
| CN201420215Y (en) * | 2009-05-14 | 2010-03-10 | 王平 | Fastener suitable for ballastless tracks of passenger and goods mixed transport |
| CN201962561U (en) * | 2011-03-23 | 2011-09-07 | 中铁二院工程集团有限责任公司 | Urban railway system track fastener |
| CN202595584U (en) * | 2012-04-16 | 2012-12-12 | 张海洋 | Fastener structure capable of adjusting track gauge |
| CN203583294U (en) * | 2013-11-05 | 2014-05-07 | 安徽省巢湖铸造厂有限责任公司 | Fastener for urban rail transit |
-
2013
- 2013-11-05 CN CN201310541344.9A patent/CN103572670A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2102306A1 (en) * | 1971-01-19 | 1972-08-03 | Lechler Chemie Gmbh, 7000 Stuttgart | Elastic fastening of track rails on a solid substructure |
| CN2342010Y (en) * | 1998-08-24 | 1999-10-06 | 铁道部科学研究院铁道建筑研究所 | Small resistance steel rail fastener for overhead ballast-free rail |
| CN2630303Y (en) * | 2003-05-15 | 2004-08-04 | 范佩鑫 | Self-locking rail two-layer vibration-damping noise-reducing fastener |
| CN101061274A (en) * | 2004-10-19 | 2007-10-24 | 潘得路有限公司 | Railway track construction shim and method of constructing railway track |
| CN2885923Y (en) * | 2006-03-22 | 2007-04-04 | 铁道科学研究院铁道建筑研究所 | Non-ballast railway track fastener |
| CN201077936Y (en) * | 2007-09-06 | 2008-06-25 | 北京佰路宁科技有限公司 | Non ballast railway fastener |
| CN201420215Y (en) * | 2009-05-14 | 2010-03-10 | 王平 | Fastener suitable for ballastless tracks of passenger and goods mixed transport |
| CN201962561U (en) * | 2011-03-23 | 2011-09-07 | 中铁二院工程集团有限责任公司 | Urban railway system track fastener |
| CN202595584U (en) * | 2012-04-16 | 2012-12-12 | 张海洋 | Fastener structure capable of adjusting track gauge |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358192A (en) * | 2014-10-22 | 2015-02-18 | 安徽省巢湖铸造厂有限责任公司 | Tramcar buckling piece with large adjustment range |
| CN104358191A (en) * | 2014-10-22 | 2015-02-18 | 安徽省巢湖铸造厂有限责任公司 | Embedded type fastener for tramcar |
| CN104372723A (en) * | 2014-10-22 | 2015-02-25 | 安徽省巢湖铸造厂有限责任公司 | Elastic strip base heightening cushion block for tramcar fastener |
| CN104358192B (en) * | 2014-10-22 | 2016-04-20 | 上海市城市建设设计研究总院 | There is the tram fastener of large adjustable extent |
| CN104372723B (en) * | 2014-10-22 | 2016-06-08 | 安徽省巢湖铸造厂有限责任公司 | The spring seat height adjusting cushion block of tramcar fastener |
| CN111139694A (en) * | 2020-01-16 | 2020-05-12 | 广州地铁设计研究院股份有限公司 | Track bed changes its course and uses backing plate structure |
| CN111218865A (en) * | 2020-03-09 | 2020-06-02 | 中铁二院工程集团有限责任公司 | Adjustable split type medium-low speed magnetic suspension fastener system |
| CN111663378A (en) * | 2020-06-19 | 2020-09-15 | 无锡圣丰减震器有限公司 | Urban rail transit line turnout shock absorber |
| CN112681029A (en) * | 2020-12-28 | 2021-04-20 | 上海工程技术大学 | Switch type elastic strip fastener system for urban railway |
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Application publication date: 20140212 |