CN203583298U - Fastener for streetcar track - Google Patents
Fastener for streetcar track Download PDFInfo
- Publication number
- CN203583298U CN203583298U CN201320708430.XU CN201320708430U CN203583298U CN 203583298 U CN203583298 U CN 203583298U CN 201320708430 U CN201320708430 U CN 201320708430U CN 203583298 U CN203583298 U CN 203583298U
- Authority
- CN
- China
- Prior art keywords
- rail
- fastener
- grooved rail
- iron chair
- grooved
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 241001669679 Eleotris Species 0.000 claims description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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- Railway Tracks (AREA)
Abstract
The utility model discloses a fastener for a streetcar track. The fastener comprises an iron base plate, two elastic bars, two bolts, two screw spikes, grooved track protection mechanisms and two fastener covers, wherein the iron base plate is laid on a base; the grooved track protection mechanisms are arranged symmetrically on the center line of the iron base plate; a grooved track is pressed against the grooved track protection mechanisms, and the bottom and bottom side part of the grooved track are wrapped with the grooved track protection mechanisms; the two bolts and the two screw spikes are arranged on both sides of the grooved track, and are mirror-symmetric about the grooved track; the screw spikes pass through the iron base plate, and are inserted into the base and locked by using nuts; the bolts are pressed against the elastic bars, pass through the iron base plate, and are pressed against the base and locked by using nuts; the elastic bars are pressed against the iron base plate with the two ends being pressed against parts, which are wrapped beside the bottom of the grooved track, of the grooved track protection mechanisms; the two fastener covers are arranged on both sides of the grooved track, and cover the bolts and the screw spikes respectively. The fastener has the beneficial effects that the requirements of low noise and low vibration on a track line are met.
Description
Technical field
The utility model relates to a kind of fastener, in particular for the fastener of streetcar track.
Background technology
20th century 60, the seventies, along with the rapid growth of city automobile recoverable amount, there is new problem in urban traffic, and traffic jam, road speed decline, air and noise pollution are serious, become the subject matter facing in Modern Urban Development.For overcoming the above problems, each metropolis, the world starts to greatly develop subterranean railway, but metro investment is expensive, the construction period is long, has affected to a certain extent further developing of urban public transport.Some developed countries of the world in densely populated city, for meeting the needs of Forecasting for Passenger Traffic Volume of City Public Transit rapid growth, in conjunction with the difference of city zones of different freight volume, except considering to build subway, focus on notice in ground rail mode of transportation again simultaneously.New concept is thought, the development of urban track traffic should be according to urban characteristic and freight volume, take to have the track traffic pattern of different capacities, different costs, should utilize modern technologies, transformation and develop old tram system, develop there is low noise, low vibration, economize the energy, can high-speed cruising high-performance tram system, consider to coordinate mutually with the integrated environment in city modern tram system that Here it is simultaneously.
Because modern tram has adopted the grooved rail that is different from conventional railway rail, so existing rail fastener system all can not meet the needs that modern street railway is laid, for meeting the needs of circuit low noise, low vibration, fastener system also must be considered the requirement of vibration and noise reducing simultaneously.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of fastener for streetcar track, groove-shape rail and streetcar track railway roadbed can be stablized, are linked together reliably, meet the requirement that streetcar track is laid, by partly wrapping up flexible anti-vibration layer at the groove-shape rail web of the rail and the flange of rail, reach the requirement of track circuit low noise, low vibration simultaneously.
The utility model is achieved through the following technical solutions.
A kind of fastener for streetcar track, comprise iron chair, two springs, two bolts, two screw spikes, grooved rail protection mechanism, two fastener covers, above-mentioned iron chair is laid on pedestal, above-mentioned grooved rail protection mechanism is symmetricly set on above-mentioned iron chair midline, above-mentioned grooved rail pressure on above-mentioned grooved rail protection mechanism and above-mentioned grooved rail protection mechanism wrap bottom and the side, bottom of above-mentioned grooved rail, above-mentioned two bolts, two screw spikes are separately positioned on above-mentioned grooved rail both sides and symmetrical about above-mentioned grooved 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 grooved rail protection mechanism is wrapped in above-mentioned grooved flange of rail portion side, above-mentioned two fastener covers are arranged on above-mentioned grooved rail both sides, and cover respectively bolt and screw spike.
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, between the nut of above-mentioned screw spike and above-mentioned Flat gasket, be provided with spring washer.
Further; above-mentioned grooved 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 grooved rail and above-mentioned iron chair; cover the bottom of above-mentioned grooved 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 grooved rail, two end places of above-mentioned spring are pressed on above-mentioned Insulation rail distance keeper.
Further, the above-mentioned fastener for streetcar track 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.
Further, the above-mentioned fastener for streetcar track also comprises that flexible anti-vibration protects piece and flexible anti-vibration gumshoe, and above-mentioned flexible anti-vibration protects the rail body that piece is wrapped in above-mentioned grooved rail, and above-mentioned flexible anti-vibration gumshoe wraps up the base of above-mentioned grooved rail.
The beneficial effects of the utility model:
1) fastener system has met the requirement that grooved rail is laid, and has enough intensity, has guaranteed grooved rail and streetcar track railway roadbed to stablize, be linked together reliably.
2) fastener system by self vibration damping and be used in conjunction with flexible anti-vibration layer, makes rail system have good elasticity, has reduced the impact of train load, has good effect of vibration and noise reduction.
3) by using dedicated fastener cover, make fastener after the later stage, earthing was buried, can effectively isolate fastener system, unlikely inefficacy.
4) be subject to the limitation of urban track traffic design and construction, need fastener to have larger height adjustment amount, to overcome the infringement of the geological disasters such as foundation settlement.Reach+50mm of the maximum height of this fastener system adjustment amount, has met the requirement of construction.
5) fastener system has good insulating properties, has reduced the interference of stray electrical current to the transmission of movable block signal.
6) fastener system has good versatility, can meet the instructions for use of modern tram system and city underground overhead route, above-ground route solid concrete roabed.
7) fastener system component adopt subway standardization part in a large number, simple in structure, are easy to laying and the maintenance in later stage.
Accompanying drawing explanation
Fig. 1 is the implementation case for the structural representation of facing of the fastener of streetcar track;
Fig. 2 is that the implementation case is faced structural representation while heightening for the fastener of streetcar track;
Fig. 3 is the structural representation of the implementation case fastener cover;
Fig. 4 is the structural representation that the implementation case flexible anti-vibration protects piece and flexible anti-vibration gumshoe.
The specific embodiment
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the implementation case for the structural representation of facing of the fastener of streetcar track; with reference to Fig. 1; the utility model; fastener for streetcar track; for the fastener of urban track traffic, comprise iron chair 2, two springs 3, two bolts 6, two screw spikes 9, grooved rail protection mechanism, fastener cover 12.
Wherein, iron chair 2 is laid on pedestal 14; grooved rail protection mechanism is symmetricly set on the midline of iron chair 2; grooved rail pressure on grooved rail protection mechanism and grooved rail protection mechanism wrap bottom and the side, bottom of grooved rail; two bolts 6, two screw spikes 9 are separately positioned on grooved rail both sides; and symmetrical about grooved rail mirror image, two bolts 6, two screw spikes 9 are X-type about grooved rail and are symmetrical arranged.Screw spike 9 is through iron chair 2 and penetrate pedestal 14 and by nut locking; bolt 6 is pressed on spring 3; bolt 6 supports to pedestal 14 and by nut locking through iron chair 2, and spring 3 is pressed in iron chair 2, two end places are pressed in the part that grooved rail protection mechanism is wrapped in grooved flange of rail portion side.
With reference to Fig. 3 and in conjunction with Fig. 1, two fastener covers 12 are arranged on grooved rail both sides, and cover respectively bolt 6 and screw spike 9.The effect of fastener cover 12 is: after track laying completes, whole fastener system requires to carry out earthing and buries, only on ground, expose grooved rail rail head part locomotive in service vehicle, use fastener cover 12 can make the fastener system of fixing rail not buried, thereby guarantee that fastener system can not lose efficacy, be beneficial to the maintenance in the antirust and later stage of system simultaneously.
About grooved rail protection mechanism; in the implementation case; grooved rail protection mechanism comprises resilient sleeper-bearing 7 and two Insulation rail distance keepers 8 under rail; under rail, resilient sleeper-bearing 7 is arranged between grooved rail and iron chair 2; cover the bottom of grooved rail; two Insulation rail distance keeper 8 cross sections are L-type and are symmetrical arranged and descend in-orbit resilient sleeper-bearing 7 both sides, the side, bottom of parcel grooved rail, and two end places of spring 3 are pressed on Insulation rail distance keeper 8.
In the implementation case, between iron chair 2 and pedestal 14, be equipped with insulating pad 1.
Under rail, resilient sleeper-bearing 7 is to take natural rubber as material, and quiet rigidity is 30～50kN/mm; Insulating pad 1 be take plastic cement as material, and quiet rigidity is 800～1000kN/mm, by its skin friction resistance, varies in size, and is divided into normal resistance location use railway rail pad and compound backing plate under rail for slight drag location.Under rail, compound backing plate is in railway rail pad upper surface sulfuration one deck smooth material, 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 compound backing plate under the rail of system friction resistance, this location is called as slight drag location.
In the implementation case, screw spike 9 stretches into the part suit nylon sleeve 13 of pedestal 14, is easy to laying and the maintenance in later stage.Between the nut of bolt 6 and spring 3, be provided with plain washer 4, plain washer 4 plays the effect of protection bolt 6 and spring 3, reduces both damages.
Between the nut of screw spike 9 and iron chair 2, be provided with Flat gasket 11.
With reference to Fig. 2 and in conjunction with Fig. 1, in the implementation case, fastener is when vertically heightening, height adjusting cushion plate 16 under plate is set between iron chair 2 and insulating pad 1, or height adjusting cushion plate 15 under rail is set between resilient sleeper-bearing 7 under iron chair 2 and rail, or under plate under height adjusting cushion plate 16 and rail height adjusting cushion plate 15 arrange simultaneously.
With reference to Fig. 4 and in conjunction with Fig. 1, flexible anti-vibration protects piece 17 and flexible anti-vibration gumshoe 18, and above-mentioned flexible anti-vibration protects the rail body that piece 17 is wrapped in grooved rail, the base of flexible anti-vibration gumshoe 18 parcel grooved rails.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow the personage who is familiar with this art can understand the utility model content and be implemented, and can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (9)
1. the fastener for streetcar track, it is characterized in that, comprise iron chair, two springs, two bolts, two screw spikes, grooved rail protection mechanism, two fastener covers, described iron chair is laid on pedestal, described grooved rail protection mechanism is symmetricly set on described iron chair midline, described grooved rail pressure on described grooved rail protection mechanism and described grooved rail protection mechanism wrap bottom and the side, bottom of described grooved rail, described two bolts, two screw spikes are separately positioned on described grooved rail both sides and symmetrical about described grooved 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 grooved rail protection mechanism is wrapped in described grooved flange of rail portion side, described two fastener covers are arranged on described grooved rail both sides, and cover respectively bolt and screw spike.
2. the fastener for streetcar track according to claim 1, is characterized in that, described screw spike stretches into the part suit nylon sleeve of pedestal.
3. the fastener for streetcar track according to claim 1, is characterized in that, between described iron chair and described pedestal, is equipped with insulating pad.
4. the fastener for streetcar track according to claim 1, is characterized in that, between the nut of described bolt and described spring, is provided with plain washer.
5.
Fastener for streetcar track 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 streetcar track according to claim 5, is characterized in that, between the nut of described screw spike and described Flat gasket, is provided with spring washer.
7. according to the fastener for streetcar track described in claim 1-6 Arbitrary Term; it is characterized in that; described grooved 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 grooved rail and described iron chair; cover the bottom of described grooved 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 grooved rail, two end places of described spring are pressed on described Insulation rail distance keeper.
8. according to the fastener for streetcar track described in claim 1-6 Arbitrary Term, it is characterized in that, the described fastener for streetcar track 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.
9. according to the fastener for streetcar track described in claim 1-6 Arbitrary Term, it is characterized in that, the described fastener for streetcar track also comprises that flexible anti-vibration protects piece and flexible anti-vibration gumshoe, described flexible anti-vibration protects the rail body that piece is wrapped in described grooved rail, and described flexible anti-vibration gumshoe wraps up the base of described grooved rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708430.XU CN203583298U (en) | 2013-11-11 | 2013-11-11 | Fastener for streetcar track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708430.XU CN203583298U (en) | 2013-11-11 | 2013-11-11 | Fastener for streetcar track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203583298U true CN203583298U (en) | 2014-05-07 |
Family
ID=50581243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708430.XU Expired - Lifetime CN203583298U (en) | 2013-11-11 | 2013-11-11 | Fastener for streetcar track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203583298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572671A (en) * | 2013-11-11 | 2014-02-12 | 江苏省交通科学研究院股份有限公司 | Fastener for tramcar track |
| CN107700288A (en) * | 2017-11-16 | 2018-02-16 | 中国铁建重工集团有限公司 | A kind of trolley track seat and trolley track |
| CN107923130A (en) * | 2015-08-19 | 2018-04-17 | 沃斯洛工厂有限公司 | Cover the device and fixing point of at least one component of track fixing point |
-
2013
- 2013-11-11 CN CN201320708430.XU patent/CN203583298U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572671A (en) * | 2013-11-11 | 2014-02-12 | 江苏省交通科学研究院股份有限公司 | Fastener for tramcar track |
| CN107923130A (en) * | 2015-08-19 | 2018-04-17 | 沃斯洛工厂有限公司 | Cover the device and fixing point of at least one component of track fixing point |
| CN107923130B (en) * | 2015-08-19 | 2020-05-22 | 沃斯洛工厂有限公司 | Device for covering at least one component of a rail fastening point and fastening point |
| CN107700288A (en) * | 2017-11-16 | 2018-02-16 | 中国铁建重工集团有限公司 | A kind of trolley track seat and trolley track |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |