CN201006966Y - Steel rail fastener - Google Patents
Steel rail fastener Download PDFInfo
- Publication number
- CN201006966Y CN201006966Y CNU2006201676864U CN200620167686U CN201006966Y CN 201006966 Y CN201006966 Y CN 201006966Y CN U2006201676864 U CNU2006201676864 U CN U2006201676864U CN 200620167686 U CN200620167686 U CN 200620167686U CN 201006966 Y CN201006966 Y CN 201006966Y
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- rail
- iron chair
- positioning sleeve
- iron
- rail fastening
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Abstract
Disclosed is a clip comprising an iron sheet under the rail, a rail pad, a pair of interval place iron seats, rails, a gauge block and a buckle elastic strip component, a crosstie screw crosses through the iron sheet and is connected with the crosstie fixedly, wherein the bottom of the iron sheet is provided with an elastic cushion, a composite locating collar and a buffer distance adjusting block are provided between the iron sheet and the crosstie screw, the internal hole of the buffer distance adjusting block is a circle engaged with the crosstie screw, the external profile is long circular, the composite locating collar is provided outside the buffer distance adjusting block, a cover plate is covered on the iron sheet through hole, the lower portion of the cover plate is located at the composite locating collar, the crosstie screw crosses through the cover plate, composite locating collar and is fixed with the crosstie. The structure of the utility model is beneficial to employ elasticity of the lower elastic cushion under the iron sheet, not only buffers lateral impact of the iron sheet to the crosstie screw, but also adjusts the iron sheet location thereby adjusting gauging distance conveniently.
Description
Technical field
The utility model relates to a kind of rail fastening, particularly a kind of compound positioning sleeve, rail fastening with high resiliency, high globality and versatility of being provided with at least between sleeper bolt and iron chair.
Background technology
Rail fastening is a kind of common components of railroad track, plays fixedly rail and provide part flexible effect in track structure.Fastener commonly used has spring II type and spring III type on railway at present.Its architectural feature is: II type fastener structures is on the iron chair T type bolt to be inserted the iron seat that is arranged on the iron chair, and the fastening II type spring by the nut screwing clamping of T type bolt is realized withholding rail; III type fastener is to establish III type spring to insert the iron seat on iron chair, adopts III type spring to withhold rail.Establish the thick rubber mat plate of 5mm between rail and iron chair, iron chair is divided into the thick rubber mat plate that has lateral trench of 10mm, double-deck vibration damping; Have bolt hole on the iron chair, sleeper bolt cooperates fastening iron chair with the insulation sleeve that is embedded in advance in the concrete sleeper.Establish track gauge block between described iron seat and rail to adjust gauge.
Along with the raising of train running speed, require track to have high resiliency and low rigidity.Known rail fastening is to provide elasticity by railway rail pad, crosses when low when backing plate rigidity, and rail can produce in various degree and tumble, and influences the stability of track.If provide elasticity by the rubber mat plate under the iron chair, because sleeper bolt is directly withheld on iron chair, the vertical force that sleeper bolt produces makes the elastic loss of rubber mat plate very big.When above-mentioned rail fastening was used for track switch, turnout sleeper bolt was directly withheld on iron chair especially, made the iron chair recurvation, produce bigger plate base pressure stress, train produces bigger tensile stress again through out-of-date, make the alternating stresses amplitude of iron chair increase like this, influence its fatigue life.And when above-mentioned fastener is used for turnout switch and railway frog position, do not have the gauge of adjustment function.
The design people for overcoming the above-mentioned defective that exists in the known technology, through diligently development, develops the rail fastening with high resiliency, high globality and high universalizable of the present utility model according to the experience and knowledge of being engaged in this area work finally.
Summary of the invention
Problem to be solved in the utility model provides a kind of rail fastening that can overcome above-mentioned defective, especially a kind of vertical buckle press of sleeper bolt does not act directly on the iron chair, make the rubber mat plate under the iron chair keep favorable elasticity, be not only applicable to the railway section track, and be specially adapted to the rail fastening in high-speed switch district.
The utility model provides a kind of rail fastening for this reason, described rail fastening has the iron chair that is arranged on the rail bottom, be provided with railway rail pad between rail and the iron chair, described iron chair top is provided with the iron seat that a pair of interval is provided with, described rail is arranged between this a pair of iron seat, be provided with the track gauge block of adjusting gauge between rail and the iron seat, the fastening elastic rod assembly is fixedlyed connected with described iron seat and is withheld described rail, described iron chair is provided with at least one pair of through hole, sleeper bolt runs through described iron chair fixedlys connected with sleeper, wherein, the bottom of described iron chair is provided with elastic layer; Be provided with between described iron chair and the sleeper bolt that compound positioning sleeve is gentle to reconstitute apart from piece, the circle of the endoporus of described buffering roll adjustment piece for matching with described sleeper bolt, its outline is a Long Circle, described compound positioning sleeve is set in this buffering roll adjustment piece outside; One cover plate covers on the through hole of described iron chair, and the bottom of described cover plate is resisted against described compound positioning sleeve, and described sleeper bolt runs through described cover plate, compound positioning sleeve and sleeper and fixes.
Aforesaid rail fastening, wherein, middle part, the bottom surface of described cover plate is formed with a boss, and described boss is resisted against described compound positioning sleeve, and the through hole that matches with described sleeper bolt runs through described boss; Two rubber pads are fixed on the cover plate bottom surface of described boss outside, and these two rubber pads are withheld on described iron chair.
Aforesaid rail fastening, wherein, described compound positioning sleeve has a steel bushing, and the outline of described steel bushing is circular, endoporus is the Long Circle that matches with the outline of described buffering roll adjustment piece, and the bottom of described steel bushing and excircle are provided with the elastic composite layer.
Aforesaid rail fastening, wherein, the upper outer circumference diameter of described steel bushing is less than lower diameter, and its underpart constitutes a ring flange, and the minor diameter part of described steel bushing excircle is provided with at least one ring caulking groove.
Aforesaid rail fastening, wherein, the minor diameter part of described steel bushing excircle is provided with the elastic composite layer, and the diameter of this elastic composite layer equates with the external diameter of steel bushing excircle lower flange.
Aforesaid rail fastening, wherein, the periphery of described compound positioning sleeve is provided with a projection, and described iron chair is provided with the caulking groove that matches with this projection.
Aforesaid rail fastening, wherein, the bottom of described buffering roll adjustment piece is provided with one or more recess, and the height of described buffering roll adjustment piece less than the height of compound positioning sleeve.
Aforesaid rail fastening, wherein, the rigidity of described railway rail pad is greater than the rigidity of the elastic layer of the bottom of iron chair.
Aforesaid rail fastening, wherein, the upper surface of described elastic layer or soffit are provided with a plurality of flutings, and a side of this elastic layer is divided into a plurality of blocks by described fluting.
Aforesaid rail fastening, wherein, described compound positioning sleeve, the elastic layer that the iron chair bottom is set and described iron chair one constitute.
Rail fastening of the present utility model compared with prior art, the characteristics and the advantage that possess are:
1, rail fastening of the present utility model, by between sleeper bolt and iron chair, establishing compound positioning sleeve, and the cover plate lower boss that is arranged on iron chair top is resisted against described compound positioning sleeve, boss outer setting rubber pad in described cover plate bottom, contact with the top of iron chair by the described cover plate of this rubber pad, when fastening sleeper bolt, the vertical force effect acts on the compound positioning sleeve by the lower boss of described cover plate, not direct fastening iron chair, even therefore moment of torsion is very big, iron chair is not caused big pressure yet, do not influence the elasticity of rubber mat plate under the plate.Simultaneously compound positioning sleeve plays fixedly iron chair and cushions train load by the side knock effect of iron chair to sleeper bolt.
2, the utility model plays buffering, roll adjustment double action by buffering roll adjustment piece is set in compound positioning sleeve.The fastening elastic rod assembly has-8～+ 4mm gauge adjustment amount, can realize-2 by adjusting track gauge block～+ the gauge adjustment of 4mm; Again because the outline of buffering roll adjustment piece is a Long Circle, and the both sides wall thickness does not wait, therefore by will cushion the roll adjustment piece change at left and right directions radially can realize-8～+ the gauge adjustment of 4mm.When being applied to track switch, in the time of the adjustment of position, the rail left and right sides can not being carried out in points and crossings portion by the track gauge block between rail and iron chair shoulder block, can carry out the gauge adjustment by movable slide bed plate of buffering roll adjustment piece and the guard rail tie plate of changing jack per station.Therefore structure of the present utility model all has the ability of adjusting gauge at any position, trouble district.
3, rail fastening elasticity of the present utility model adopts the principle of " going up hard soft down ", be that elastic layer rigidity is bigger under the rail, elastic layer under the iron chair is because the one side surface is divided into polylith, therefore its rigidity is less, solved the big and rail underlayer rigidity of stiffness difference under tongue and the stock rail rail easily cause when less than normal train by the time stock rail generation problem of tumbling more greatly.Rubber mat plate has high and low rigidity compatibility under the iron chair under the prerequisite that does not change basic size.When being used for Cha Qu with changeover portion, above-mentioned rail fastening, realizes the homogenising of rail integral rigidity easily by different rail fastening rigidity is set.
4, for reducing component, improve assembly precision and be convenient to on-the-spot the installation, by being arranged on the sulfuration elastic layer on the iron chair, make iron chair and compound positioning sleeve constitute an integral body, form the strong elasticity iron chair of structural integrity.
5, rail fastening structure of the present utility model has homogeneity and unity, adopts a kind of structural concept can satisfy following various performance requirement: interchangeability, versatility that switch area fastening elastic rod assembly on quarrel and the ballastless track a) is arranged; B) versatility of passenger-cargo mixed fortune and Line for Passenger Transportation system; C) the different section structures of switch area have unity.Only on performance parameter, adjust.
Description of drawings
Fig. 1 is a rail fastening structural profile schematic diagram of the present utility model;
Fig. 2 is a rail fastening structure schematic top plan view of the present utility model;
Fig. 3 is a compound positioning sleeve partial schematic sectional view in the rail fastening of the present utility model;
Fig. 4 is the schematic top plan view of compound positioning sleeve in the rail fastening of the present utility model;
Fig. 5 is the steel bushing generalized section of compound positioning sleeve;
Fig. 6 is compound positioning sleeve steel bushing schematic top plan view;
Fig. 7 is the schematic diagram of rail fastening cover plate of the present utility model;
Fig. 8 A, Fig. 8 B are that the master of buffering roll adjustment piece in the rail fastening of the present utility model looks and schematic top plan view;
Fig. 9 A, Fig. 9 B are iron chair one embodiment schematic diagrames in the rail fastening of the present utility model;
Figure 10 A, Figure 10 B are the elastic layer schematic diagrames that is arranged in the rail fastening of the present utility model under the iron chair;
Figure 11 A, Figure 11 B are another embodiment schematic diagrames of iron chair in the rail fastening of the present utility model.
The specific embodiment
For having clear more to feature, the effect of the rail fastening of utility model and the technical purpose that will reach and comprehensively understanding, now contrast description of drawings the specific embodiment of the present invention.
Embodiment one
As shown in Figure 1, 2, be the assembled state of rail fastening of the present utility model.Fig. 1 is a generalized section, and Fig. 2 is a schematic top plan view.This embodiment both can be used for ballastless track and also can be used for ballasted track for superstructure adopts the rail clip that the bolt spring is arranged.
The rail fastening that the utility model proposes has the iron chair 2 that is arranged on rail 1 bottom, is provided with railway rail pad 3 between rail 1 and the iron chair 2, plays the percussion of buffering wheel to sleeper by this railway rail pad.Please cooperate referring to Fig. 9 A, Fig. 9 B, the top of described iron chair 2 is provided with the iron seat 21 that a pair of interval is provided with, described rail 1 is arranged between this a pair of iron seat 21, be provided with the track gauge block 11 of adjusting gauge between rail 1 and the iron seat 21, fastening elastic rod assembly 5 is fixedlyed connected with described iron seat 21 and is withheld described track gauge block 11 and rail 1, described iron chair 2 is provided with at least one pair of through hole 22, sleeper bolt 6 runs through described iron chair 2 fixedlys connected with the sleeper (not shown), wherein, the bottom of described iron chair 2 is provided with elastic layer 7; Be provided with compound positioning sleeve 8 gentle reconstituting between described iron chair 2 and the sleeper bolt 6 apart from piece 9, the circle of endoporus 91 for matching of described buffering roll adjustment piece 9 with described sleeper bolt 6, its outline 92 is a Long Circle, and described compound positioning sleeve 8 is set in the outside of this buffering roll adjustment piece 9; One cover plate 4 covers on the through hole 22 of described iron chair 2, and the bottom of described cover plate 4 is resisted against described compound positioning sleeve 8, and described sleeper bolt 6 runs through described cover plate 4, compound positioning sleeve 8 fixes with sleeper.Described fastening elastic rod assembly 5 can be a non-bolt spring assembly, and bolt spring assembly is also arranged.
Please cooperate referring to Fig. 7, described cover plate 4 can by cast panel (cast steel or cast iron plate) and two elasticity preferably rubber pad 43 combine.As shown in Figure 7, middle part, the bottom surface of described cover plate 4 is formed with a boss 41, and described boss 41 is resisted against the end face 81 of described compound positioning sleeve 8, and the through hole 42 that matches with described sleeper bolt 6 runs through described boss 41; Described two rubber pads 43 are fixed on the bottom surface of cover plate 4 of described boss 41 outsides, and when on the through hole 22 that described cover plate 4 is covered on described iron chair 2, described two rubber pads 43 that are arranged on described cover plate 4 bottom surfaces are withheld on described iron chair.The effect of cover plate 4 is that the vertical force with sleeper bolt 6 mainly is delivered on the compound positioning sleeve 8, withhold iron chair 2 by the rubber pad on the cover plate 4 43 simultaneously, only sub-fraction pressure is delivered on the iron chair 2, also can prevents the effect that iron chair 2 is tumbled thereby reach neither to produce than big pressure.
The tommyhead bolt 51 of above-mentioned fastening elastic rod assembly 5, nut 52 and plain washer 53 are withheld spring 54 on track gauge block 11, thereby rail 1 is fixed on the iron chair 2.Be arranged on the elastic layer 7 performance fastening elastic rod assembly elastic reactions between iron chair 2 and sleeper; Be connected with the fastening means that the service sleeve (not shown) cooperates by sleeper bolt 6 between iron chair 2 and sleeper; The compound positioning sleeve 8 that is provided with between iron chair 2 and the sleeper bolt 6, can cushion the side knock of 2 pairs of sleeper bolts 6 of iron chair, when making sleeper bolt 6 fastening simultaneously, vertical force mainly acts on the compound positioning sleeve 8 by cover plate 4, iron chair 2 is not produced big pressure, help giving full play to the elastic reaction of the elastic layer 7 that iron chair is provided with for 2 times.
Shown in Fig. 8 A, Fig. 8 B, the bottom of described buffering roll adjustment piece 9 is provided with one or more recess 93, be provided with four recesses in the present embodiment, when in use needing exchange buffering roll adjustment piece 9, can utilize instrument,, hook this recess 93 as hook etc., to cushion roll adjustment piece 9 and take out, thus convenient working.
Shown in Fig. 1, Fig. 3-6, described compound positioning sleeve 8 has a steel bushing 81, the outline of described steel bushing 81 is circular, the Long Circle of endoporus for matching with the outline 92 of described buffering roll adjustment piece 9, and the bottom of described steel bushing 81 and excircle are provided with elastic composite layer 82,83.As shown in the figure, the upper outer circumference diameter of described steel bushing 81 is less than lower diameter, its underpart constitutes a ring flange 84, for described elastic composite layer 82 is combined securely with the minor diameter part 85 of steel bushing 81 excircles, be provided with at least one ring caulking groove 86 on the minor diameter part 85 of described steel bushing 81 excircles, the diameter of described elastic composite layer 82 equates with the external diameter of steel bushing 81 excircle lower flange 84.For preventing that described compound positioning sleeve 8 from rotating in the through hole 22 of iron chair, be provided with a projection 87 in the periphery of described compound positioning sleeve 8, in the through hole 22 of described iron chair 2, be provided with the caulking groove 23 that matches with this projection 87.
Described steel bushing 81 for example can be cast after machine forms, and the minor diameter part 85 that the elastic composite layer 82,83 that described compound positioning sleeve 8 peripheries and bottom are provided with can be by being compound in fiber glass reinforced polyamide steel bushing 81 and vulcanizing in the rubber spacer of steel bushing 81 bottoms constitutes.Thereby can bear the vertical active force of sleeper bolt 6, and the side knock of opposing iron chair 2.
By described buffering roll adjustment piece 9 is set, can cushion the side knock of 2 pairs of sleeper bolts 6 of iron chair.Simultaneously, because the endoporus 91 of described buffering roll adjustment piece 9 is circular, outline 92 is a Long Circle, therefore can will cushion the wall thickness of roll adjustment piece 9 as required, be divided into all size, shown in Fig. 8 B, among this embodiment, the left side wall thickness of buffering roll adjustment piece 9 is greater than the right side wall thickness, by selecting the buffering roll adjustment piece 9 of different size for use, can adjust the position of iron chair 2, and then adjust the position of rail 1, realize the gauge adjustment with respect to sleeper bolt 6.
In addition, be resisted against the end face of described compound positioning sleeve 8 for the boss 41 that guarantees described cover plate 4, the vertical force of sleeper bolt 6 is delivered on the compound positioning sleeve 4, iron chair 2 is not produced bigger pressure, prevent that iron chair 2 from tumbling, the height of described buffering roll adjustment piece 9 should be less than the height of compound positioning sleeve 8, promptly, when being installed in described buffering roll adjustment piece 9 in the compound positioning sleeve 8, its end face be positioned at the bottom of compound positioning sleeve 8 end faces.
The rail fastening that the utility model proposes, it is arranged on the rigidity of the rigidity of the railway rail pad 3 between rail 1 and the iron chair 2 greater than the elastic layer 7 that is arranged on the iron chair bottom.Shown in Fig. 1, Figure 10 A, Figure 10 B, wherein Figure 10 A is the generalized section of elastic layer 7, Figure 10 B is the schematic top plan view of elastic layer 7, as shown in the figure, upper surface at described elastic layer 7 is provided with a plurality of flutings, the upper surface of this elastic layer 7 is divided into a plurality of blocks by described fluting, adjust the rigidity of elastic layer by the size and location of piecemeal, make it to meet the rigidity requirement that is used for various operation conditions, the requirement of fastener rigidity homogenising when meeting this and using novel fastener to be used for switch area.Usually, piecemeal is many more, and every size is more little, and the rigidity of elastic layer 7 is then more little, and elasticity is good more.For example, when rail fastening of the present utility model was used for passenger-cargo mixed transport line road, the piecemeal of described elastic layer 7 can be strip and size is bigger; When being used for little Line for Passenger Transportation that weighs, the piecemeal of described elastic layer 7 then can adopt the less relatively strip of size or be divided into more piece, to improve its elasticity.
Figure 11 A, Figure 11 B are another embodiment schematic diagrames of iron chair in the rail fastening of the present utility model, and Figure 11 A is a generalized section, and Figure 11 B is a schematic top plan view.
Shown in Figure 11 A, 11B, in the present embodiment, described iron chair 2 ' is an overall structure, is to be made of with described iron chair 2 one described compound positioning sleeve 8, elastic layer 7 that iron chair bottom is set.For example, the steel bushing 81 of described compound positioning sleeve 8 is placed in the through hole 22 of described iron chair 2, is an integral body by sulfuration process with iron chair 2, elastic layer 7, steel bushing 81 sulfurations, be that the elastic composite layer 82 by sulfuration forms one between described steel bushing 81 and the iron chair 2, and steel bushing 81 bottoms and the elastic layer 7 that is arranged on iron chair 2 bottoms forms by sulfuration and iron chair 2, steel bushing 81 constitute as a whole rubber spacer.And the soffit at described elastic layer 7 is provided with a plurality of flutings, and the soffit of this elastic layer 7 is divided into a plurality of blocks by described fluting, thereby satisfies rigidity requirement.What of described piecemeal are identical with embodiment 1.
2 ' parts of the iron chair of present embodiment have three functions of components in the foregoing description, adopt the iron chair 2 ' of this enforcement can reduce fit tolerance between each parts, are convenient to installation and maintenance.
Other structure of present embodiment is identical with embodiment 1,2 with beneficial effect, does not repeat them here.
Because the rail clip that the utility model proposes has high resiliency, high whole row and high universalizable, therefore, it is applied widely, both can be used for ballastless track and also can be used for ballasted track, and be not only applicable to the railway section track, be specially adapted to the high-speed switch district, all have the ability of adjusting gauge at any position, trouble district.
The above person of thought, it only is the specific embodiment of the present utility model, when can not limiting the scope that the utility model is implemented with this, i.e. equivalent variations and the modification of being done according to the utility model content generally all should still belong within the scope that the utility model patent claims contain.
Claims (10)
1. rail fastening, described rail fastening has the iron chair that is arranged on the rail bottom, be provided with railway rail pad between rail and the iron chair, described iron chair top is provided with the iron seat that a pair of interval is provided with, described rail is arranged between this a pair of iron seat, be provided with the track gauge block of adjusting gauge between rail and the iron seat, the fastening elastic rod assembly is fixedlyed connected with described iron seat and is withheld described rail, described iron chair is provided with at least one pair of through hole, sleeper bolt runs through described iron chair fixedlys connected with sleeper, and it is characterized in that: the bottom of described iron chair is provided with elastic layer; Be provided with between described iron chair and the sleeper bolt that compound positioning sleeve is gentle to reconstitute apart from piece, the circle of the endoporus of described buffering roll adjustment piece for matching with described sleeper bolt, its outline is a Long Circle, described compound positioning sleeve is set in this buffering roll adjustment piece outside; One cover plate covers on the through hole of described iron chair, and the bottom of described cover plate is resisted against described compound positioning sleeve, and described sleeper bolt runs through described cover plate, compound positioning sleeve and sleeper and fixes.
2. rail fastening as claimed in claim 1 is characterized in that: the middle part, bottom surface of described cover plate is formed with a boss, and described boss is resisted against described compound positioning sleeve, and the through hole that matches with described sleeper bolt runs through described boss; Two rubber pads are fixed on the cover plate bottom surface of described boss outside, and these two rubber pads are withheld on described iron chair.
3. rail fastening as claimed in claim 1, it is characterized in that: described compound positioning sleeve has a steel bushing, the outline of described steel bushing is circular, the Long Circle of endoporus for matching with the outline of described buffering roll adjustment piece, and the bottom of described steel bushing and excircle are provided with the elastic composite layer.
4. rail fastening as claimed in claim 3 is characterized in that: the upper outer circumference diameter of described steel bushing is less than lower diameter, and its underpart constitutes a ring flange, and the minor diameter part of described steel bushing excircle is provided with at least one ring caulking groove.
5. rail fastening as claimed in claim 4 is characterized in that: the minor diameter part of described steel bushing excircle is provided with the elastic composite layer, and the diameter of this elastic composite layer equates with the external diameter of steel bushing excircle lower flange.
6. rail fastening as claimed in claim 5 is characterized in that: the periphery of described compound positioning sleeve is provided with a projection, and described iron chair is provided with the caulking groove that matches with this projection.
7. rail fastening as claimed in claim 1 is characterized in that: the bottom of described buffering roll adjustment piece is provided with one or more recess, and the height of described buffering roll adjustment piece less than the height of compound positioning sleeve.
8. rail fastening as claimed in claim 1 is characterized in that: the rigidity of described railway rail pad is greater than the rigidity of the elastic layer of the bottom of iron chair.
9. rail fastening as claimed in claim 1 is characterized in that: the upper surface of described elastic layer or soffit are provided with a plurality of flutings, and a side of this elastic layer is divided into a plurality of blocks by described fluting.
10. rail fastening as claimed in claim 1 is characterized in that: described compound positioning sleeve, the elastic layer that the iron chair bottom is set and described iron chair one constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201676864U CN201006966Y (en) | 2006-12-28 | 2006-12-28 | Steel rail fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201676864U CN201006966Y (en) | 2006-12-28 | 2006-12-28 | Steel rail fastener |
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| CN201006966Y true CN201006966Y (en) | 2008-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006201676864U Expired - Lifetime CN201006966Y (en) | 2006-12-28 | 2006-12-28 | Steel rail fastener |
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| CN102776810A (en) * | 2012-08-13 | 2012-11-14 | 柳州东方工程橡胶制品有限公司 | High-damping elastic cushion block for bucking members of rail turnout and manufacturing method thereof |
| CN102979013A (en) * | 2012-12-12 | 2013-03-20 | 洛阳双瑞橡塑科技有限公司 | Easily detachable and separable double-layer shock-absorbing fastener system |
| CN103422401A (en) * | 2013-08-09 | 2013-12-04 | 北京中铁福斯罗技术有限公司 | System for fixing railway equipment on sleepers |
| CN104311935A (en) * | 2014-10-16 | 2015-01-28 | 河北辛集腾跃实业有限公司 | Vibration-absorptive material for turnout parts of high speed railway |
| 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 |
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| WO2021243863A1 (en) * | 2020-06-02 | 2021-12-09 | 中铁宝桥集团有限公司 | Ballastless turnout fastener system |
| CN114197255A (en) * | 2021-12-27 | 2022-03-18 | 北京铁科首钢轨道技术股份有限公司 | Urban rail transit damping fastener |
| CN116163162A (en) * | 2023-04-24 | 2023-05-26 | 广州航海学院 | Ballastless track for tunnel and adjusting method thereof |
| RU218861U1 (en) * | 2023-03-07 | 2023-06-15 | Открытое Акционерное Общество "Российские Железные Дороги" | Sleeve intermediate rail fastening |
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| CN102776810A (en) * | 2012-08-13 | 2012-11-14 | 柳州东方工程橡胶制品有限公司 | High-damping elastic cushion block for bucking members of rail turnout and manufacturing method thereof |
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