CN203807896U - Boltless fastener system for tramcar - Google Patents
Boltless fastener system for tramcar Download PDFInfo
- Publication number
- CN203807896U CN203807896U CN201420170104.2U CN201420170104U CN203807896U CN 203807896 U CN203807896 U CN 203807896U CN 201420170104 U CN201420170104 U CN 201420170104U CN 203807896 U CN203807896 U CN 203807896U
- Authority
- CN
- China
- Prior art keywords
- rail
- fastener system
- iron chair
- sleeper
- iron
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 136
- 229910052742 iron Inorganic materials 0.000 claims abstract description 69
- 241001669679 Eleotris Species 0.000 claims abstract description 25
- 238000012856 packing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000009661 fatigue test Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000004636 vulcanized rubber Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
Landscapes
- Railway Tracks (AREA)
Abstract
The utility model relates to a boltless fastener system for a tramcar. The boltless fastener system comprises e-shaped elastic strips, spiral spikes and an iron backing plate located above a sleeper. The spiral spikes penetrate through the iron backing plate to be fixedly connected with the sleeper. The iron backing plate is provided with iron seats equipped with installing holes for installing the e-shaped elastic strips. One end of each e-shaped elastic strip penetrates into each installing hole and the other end of each e-shaped elastic strip is fixed with a steel rail. The boltless fastener system for the tramcar has following beneficial effects: the boltless fastener system has a simple structure in that reduction of cost is achieved when a comparison is made between a tramcar fastener and a subway fastener; problems of connectors and regular re-twisting are effectively resolved; an effective solution is put forward with respect to an increase in distance-adjusting amount, improvement on stability and resistance to lateral force, and prevention against excessive installation and protection so that the boltless fastener system helps people do more with less; and a good result is obtained through fatigue tests of fastener assemblies at three million times.
Description
Technical field
The utility model belongs to railway track fastener field, relates to a kind of rail fastener, particularly a kind of non-bolt fastener system that can be used for tram.
Background technology
In recent years, the City Rail Transit System development such as domestic subway, light rail rapidly, have effectively been alleviated the nervous situation of urban traffic, and during city rail is built, fastener system is absolutely necessary.Fastener is used for connecting rail and sleeper, rail is fixed on sleeper, fastener comprises iron chair, spring, rubber mat plate, nylon part, bolt etc., spring is arranged in iron chair spring hole, pass through elastic deformation, rail is produced to a downward pressure, fix rail and prevent that rail from rocking through out-of-date generation at train.
Except subway, light rail, at present a lot of cities start to develop street railway, and the rail of tram is different from the rail that subway, light rail adopt, and is grooved rail, and the flange of rail width of rail is all different from common rail with the gradient; Adopt flush type track, fastener is embedded in underground, cannot often keep in repair, and contacting piece design and requirement of shelter are higher; Conventionally the fastener that is applicable to " work " font rail cannot be applied to tram, needs a kind of new fastener of exploitation to meet streetcar track and lays needs.
The tram fastener of prior art mainly adopts ω spring, withholds spring with T-shaped bolt, needs regularly multiple twisting; Utilize sawtooth piece and iron chair interlock to increase fastener roll adjustment amount, interlock less stable between the two, affects its stability.
Utility model content
The utility model has overcome shortcoming of the prior art, a kind of tram non-bolt fastener system is provided, adopt non-bolt design, efficiently solved interface, the regular multiple problem such as twist, and increased roll adjustment amount, improve interlock stability, prevented from crossing and installed, improved anti-lateral force.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of tram non-bolt fastener system, comprise e type spring, screw spike, iron chair, described iron chair is layed in sleeper top, described screw spike is fixed in sleeper through described iron chair, described iron chair is provided with iron seat, described iron seat is provided with the installing hole for e type spring is installed, and one end of described e type spring penetrates described installing hole, the fixing rail of the other end of described e type spring.
Further, comprise two e type springs and two screw spikes, described rail both sides arrange respectively an e type spring and a screw spike, and the e type spring of described rail both sides and screw spike are and are crisscross arranged, and the corresponding described e type spring in described rail both sides arranges described iron seat.
Further, the iron seat of described rail both sides is apart from the distance difference of iron chair center line.
Further, described sleeper is provided with the groove of accommodating described iron chair, and one side that described groove is parallel to described rail is provided with downward-sloping shoulder block, and described groove cross section forms wide at the top and narrow at the bottom trapezoidal, the corresponding setting of shape of described iron chair.
Further, between described rail and described iron chair, be provided with rail brace, described rail brace and iron chair contact position arrange sawtooth tooth.
Further, described iron chair below is equipped with height adjusting cushion plate, between described height adjusting cushion plate and described sleeper, is provided with resilient sleeper-bearing, and described height adjusting cushion plate and resilient sleeper-bearing are positioned at described groove.
Further, between described rail and described iron chair, be provided with railway rail pad.
Further, between described screw spike and described iron chair, be provided with two disk spring packing rings.
Further, described installing hole is provided with the positive stop of spacing described e type spring.
Further, described iron chair is provided with fastener cover.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is simple in structure, make tram fastener compare subway fastener and do not increase cost, and can effectively solve interface, the regular multiple problem such as twist, and to increasing roll adjustment amount, improve stability, prevented installation, improve the aspects such as anti-lateral force, protection and proposed effective solution, can talk about the effect of getting twice the result with half the effort, good by 3,000,000 fasteners assembling fatigue experiment, result.
Brief description of the drawings
Accompanying drawing is used to provide further understanding of the present utility model, is used from explanation the utility model with embodiment mono-of the present utility model, does not form to restriction of the present utility model, in the accompanying drawings:
Fig. 1 is that fastener system of the present utility model is having the structural representation of applying on gauge lines;
Fig. 2 is fastener system top view of the present utility model (without fastener cover);
Fig. 3 is bolt scheme of installation;
Fig. 4 is iron chair structural representation front view;
Fig. 5 is iron chair structural representation lateral view;
Fig. 6 is iron chair structural representation top view;
Fig. 7 is spring structural representation front view;
Fig. 8 is spring structural representation top view;
Fig. 9 is rail brace structural representation;
Figure 10 is fastener cover schematic diagram left view;
Figure 11 is fastener cover schematic diagram right view;
Figure 12 is fastener cover schematic diagram top view;
Figure 13 is the structural representation that the fastener system of rail brace is not set;
Figure 14 is the top view that the fastener system of rail brace is not set.
Wherein, 1---e type spring; 2---screw spike;
3---iron chair; 4---height adjusting cushion plate;
5---resilient sleeper-bearing; 6---sleeper;
7---service sleeve; 8---two disk spring packing rings;
9---iron seat; 10---installing hole;
11---circular arc; 12---Insulation rail distance keeper;
13---rail; 14---groove;
15---shoulder block; 16---railway rail pad;
17---rail brace; 18---vulcanized rubber mat;
19---sawtooth tooth; 20---positive stop;
21---fastener cover.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
Embodiment 1:
As Fig. 1, shown in 2, a kind of tram non-bolt fastener system described in the utility model, comprise two e type springs 1, two screw spikes 2, prevent that spring from crossing the iron chair 3 of installation, rail 13 both sides arrange respectively an e type spring 1 and a screw spike 2, iron chair 3 belows are equipped with height adjusting cushion plate 4, between height adjusting cushion plate 4 and sleeper 6, be equipped with resilient sleeper-bearing 5, the e type spring 1 of rail 13 both sides and screw spike 2 are and are crisscross arranged, screw spike 2 is fixed in sleeper 6 through iron chair 3, the corresponding screw spike 2 of sleeper 6 arranges service sleeve 7, consult Fig. 3, between screw spike 2 and iron chair 3, be provided with two disk spring packing rings 8, provide elasticity to screw spike 2, can prevent that it is loosening.In identical tightening torque situation, the loose moment of two dish springs increases 10% than heavy spring washer, can effectively solve the locking problem of bolt.
Fig. 4 to Fig. 8, iron chair 3 is provided with iron seat 9, and iron seat 9 is provided with the installing hole 10 for e type spring 1 is installed.Twist regularly again in order to overcome, the fracture permanent set problem of spring in using, adopt the e type spring 1 without special T-shaped bolt is withheld, buckle press is stable, the middle part of e type spring 1 is provided with circular arc 11, can effectively prevent the generation that stress is concentrated, reduces spring maximized surface stress.
Installing hole 10 is inserted in one end of e type spring 1, and the other end of e type spring 1 is withheld on the footing of rail 13 by Insulation rail distance keeper 12, applies certain pressure by fixing rail 13.
The iron seat 9 of rail 13 both sides, apart from the vertical distance difference of rail 13, with iron chair 3 center lines and the asymmetric mode of rail support groove, adjusts limit to increase fastener roll adjustment amount by iron chair 3, has strengthened the ability of fastener adjustment gauge.
Sleeper 6 is provided with the groove 14 of accommodating iron chair 3, height adjusting cushion plate 4 and resilient sleeper-bearing 5, one side that groove 14 is parallel to rail 13 is provided with downward-sloping shoulder block 15, groove 14 cross sections form wide at the top and narrow at the bottom trapezoidal, the corresponding setting of shape of iron chair 3, height adjusting cushion plate 4 and resilient sleeper-bearing 5, the design of shoulder block 15 has increased horizontal resistance, solve tram turning radius little, the problem that lateral force is large.
Between rail 13 and iron chair 3, be provided with railway rail pad 16.
Consult Fig. 9, between rail 13 and iron chair 3, be provided with rail brace 17, rail brace 17 is arranged on rail 13 both sides, fastener system with rail brace 17 is used for sharp radius curve location, rail brace 17 and rail 13 contact positions are provided with vulcanized rubber mat 18, vulcanized rubber mat 18 props up rail 13 waists, prevent that rail 13 from turning on one's side, vulcanized rubber mat 18 plays buffering vibration effect simultaneously, reduce line noise, rail brace 17 is fixed on iron chair 3 tops by screw spike 2, rail brace 17 arranges sawtooth tooth 19 with iron chair 3 contact positions, on iron chair 3, the sawtooth tooth 19 of tooth form and rail brace 17 coincide, increase adhesion and frictional force between the two, the power that rail brace 17 is subject to passes to iron chair 3, conducted to sleeper 6 by iron chair 3 again, strengthen the anti-lateral force effect of rail brace 17.
Consult Fig. 4,5, the installing hole 10 of iron seat 9 is provided with the positive stop 20 of spacing e type spring 1, positive stop 20 is fixed on the end of installing hole 10, adopt semiclosed or closing form, prevent that spring from crossing installation, when spring is through installing hole 10, once spring touches positive stop 20, cannot continue to insert, ensure the design gaps 8-10mm between e type spring 1 small arc-shaped 11 and iron seat 9.
Consult Figure 10 to Figure 12; iron chair 3 is provided with fastener cover 21; fastener cover 21 materials are glass fiber enhanced nylon; fasten e type spring 1 and screw spike 2; in work progress, prevent that cement, mortar etc. from entering, keep the deformation space of e type spring 1; reduce the damage of contacting piece in work progress, solve fastener and be embedded in the protection problem in concrete or raceway surface overlying soil.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, and something in common repeats no more, and its difference is:
Consult Figure 13, Figure 14, the fastener system of the present embodiment does not arrange rail brace 17, and it is for general location land used, and rail brace 17 does not arrange sawtooth tooth 19 with iron chair 3 contact positions yet.
Finally it should be noted that: these are only preferred embodiment of the present utility model; be not limited to the utility model; although the utility model is had been described in detail with reference to embodiment; for a person skilled in the art; its technical scheme that still can record aforementioned each embodiment is modified; or part technical characterictic is wherein equal to replacement; but all within spirit of the present utility model and principle; any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a tram non-bolt fastener system, it is characterized in that: comprise e type spring, screw spike, iron chair, described iron chair is layed in sleeper top, described screw spike is fixed in sleeper through described iron chair, described iron chair is provided with iron seat, described iron seat is provided with the installing hole for e type spring is installed, and one end of described e type spring penetrates described installing hole, the fixing rail of the other end of described e type spring.
2. a kind of tram non-bolt fastener system according to claim 1, it is characterized in that: comprise two e type springs and two screw spikes, described rail both sides arrange respectively an e type spring and a screw spike, the e type spring of described rail both sides and screw spike are and are crisscross arranged, and the corresponding described e type spring in described rail both sides arranges described iron seat.
3. a kind of tram non-bolt fastener system according to claim 2, is characterized in that: the iron seat of described rail both sides is apart from the distance difference of iron chair center line.
4. according to a kind of tram non-bolt fastener system described in claims 1 to 3 any one, it is characterized in that: described sleeper is provided with the groove of accommodating described iron chair, one side that described groove is parallel to described rail is provided with downward-sloping shoulder block, described groove cross section forms wide at the top and narrow at the bottom trapezoidal, the corresponding setting of shape of described iron chair.
5. a kind of tram non-bolt fastener system according to claim 4, is characterized in that: between described rail and described iron chair, be provided with rail brace, described rail brace and iron chair contact position arrange sawtooth tooth.
6. a kind of tram non-bolt fastener system according to claim 4, it is characterized in that: described iron chair below is equipped with height adjusting cushion plate, between described height adjusting cushion plate and described sleeper, be provided with resilient sleeper-bearing, described height adjusting cushion plate and resilient sleeper-bearing are positioned at described groove.
7. a kind of tram non-bolt fastener system according to claim 4, is characterized in that: between described rail and described iron chair, be provided with railway rail pad.
8. a kind of tram non-bolt fastener system according to claim 1, is characterized in that: between described screw spike and described iron chair, be provided with two disk spring packing rings.
9. a kind of tram non-bolt fastener system according to claim 1, is characterized in that: described installing hole is provided with the positive stop of spacing described e type spring.
10. a kind of tram non-bolt fastener system according to claim 1, is characterized in that: described iron chair is provided with fastener cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170104.2U CN203807896U (en) | 2014-04-09 | 2014-04-09 | Boltless fastener system for tramcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170104.2U CN203807896U (en) | 2014-04-09 | 2014-04-09 | Boltless fastener system for tramcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807896U true CN203807896U (en) | 2014-09-03 |
Family
ID=51446677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420170104.2U Expired - Lifetime CN203807896U (en) | 2014-04-09 | 2014-04-09 | Boltless fastener system for tramcar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966929A (en) * | 2014-04-09 | 2014-08-06 | 广州地铁设计研究院有限公司 | Bolt-free fastener system for tramcar |
| CN106120486A (en) * | 2016-08-01 | 2016-11-16 | 宝鸡市鑫晟宇铁路器材有限公司 | Tramcar fastener |
| 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 |
-
2014
- 2014-04-09 CN CN201420170104.2U patent/CN203807896U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966929A (en) * | 2014-04-09 | 2014-08-06 | 广州地铁设计研究院有限公司 | Bolt-free fastener system for tramcar |
| 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 | Apparatus and fixing point covering at least one part of the rail fixing point |
| CN106120486A (en) * | 2016-08-01 | 2016-11-16 | 宝鸡市鑫晟宇铁路器材有限公司 | Tramcar fastener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510010 Guangdong City, Guangzhou Province Ring West Road, No. 204 Patentee after: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Patentee after: HEBEI YICHEN INDUSTRIAL GROUP Corp.,Ltd. Address before: 510010 Guangdong City, Guangzhou Province Ring West Road, No. 204 Patentee before: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Patentee before: HEBEI YICHEN INDUSTRIAL GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Co-patentee after: HEBEI YICHEN INDUSTRIAL GROUP Corp.,Ltd. Patentee after: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Co-patentee before: HEBEI YICHEN INDUSTRIAL GROUP Corp.,Ltd. Patentee before: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |