CN205347892U - Prevent toppling whole backing plate and use its way turnout switch - Google Patents
Prevent toppling whole backing plate and use its way turnout switch Download PDFInfo
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- CN205347892U CN205347892U CN201520991480.2U CN201520991480U CN205347892U CN 205347892 U CN205347892 U CN 205347892U CN 201520991480 U CN201520991480 U CN 201520991480U CN 205347892 U CN205347892 U CN 205347892U
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- backing plate
- overturn
- turnout
- plate body
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Abstract
The utility model provides a prevent toppling whole backing plate and use its way turnout switch. The whole backing plate of preventing toppling includes backing plate body and fagging, the fagging is U type structure, its two connecting portion and two kinks that include fixed part and symmetry setting, two connecting portion certainly the one end of backing plate body is extended and is formed, two kinks are located the both ends of fixed part are connected respectively the fixed part with two connecting portion. The utility model provides a prevent toppling whole backing plate and use its way turnout switch utensil is as an organic whole with the casting of backing plate body with the fagging, reduced existing split type, when installing alone the part many, easily gap, the poor problem of performance of preventing toppling appear, effectively improved railway switch frame wholeness can, improved rail brace atress environment simultaneously, reduced connecting element quantity, the cost is reduced has improved switch life, also for be under construction, the maintenance maintains and provides convenience.
Description
Technical field
This utility model relates to railway switching machines stock rail technique for fixing field, particularly relates to a kind of overturn-preventing entirety backing plate and applies its turnout switch.
Background technology
For resisting the wheel disturbance to track switch physical dimension when train passes through, it is ensured that turnout rail is from waiting track geometry, and solid and reliable railway switch frame size is essential.
Existing split switch, owing to tongue adopts common stock rail manufacture, tongue 2 bottom " climbing " siding track limb upper surface in stock rail 3, is shown in accompanying drawing 1.Cause restricting without fastener inside the stock rail within the scope of tongue, under DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES effect, it is easy to basic 3 flare phenomenons occur, causes that gauge is expanded, reduce traffic safety reliability and track switch service life.
For reducing the problem of the stock rail flare of said structure track switch, gauge expansion, it is typically in stock rail arranged outside rail brace, to resist the cross force under DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES effect, improves track switch framework globality.Structure rail brace commonly used at present and backing plate are split type, see accompanying drawing 2.Affected by rail brace casting and backing plate foozle, stock rail flare problem can not be fully solved after assembling, and when active force is bigger, rail brace fracture failure occurs.It addition, split-type structural to have number of parts many, inconvenient, the high deficiency of manufacturing cost is installed.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of overturn-preventing entirety backing plate.
The overturn-preventing entirety backing plate that this utility model provides, it is applied to turnout switch, described overturn-preventing entirety backing plate includes backing plate body and fagging, described fagging is U-shape structure, it includes fixed part and symmetrically arranged two connecting portions and two kinks, described two connecting portions extend to form from one end of described backing plate body, and described two kinks are located at the two ends of described fixed part and connect described fixed part and described two connecting portions respectively.
In a preferred embodiment of the present utility model, described backing plate body is formed with two turnout sleeper bolt holes, and described two turnout sleeper bolt holes lay respectively at the both sides of described backing plate body, and one of them turnout sleeper bolt hole is between described two connecting portions.
In a preferred embodiment of the present utility model, described fagging is formed with cross bolts hole, and described cross bolts hole is positioned at described fixed part.
In a preferred embodiment of the present utility model, described backing plate body and fagging are one-body molded.
In a preferred embodiment of the present utility model, described overturn-preventing entirety backing plate adopts cast steel or spheroidal graphite cast-iron to make.
This utility model also provides for a kind of turnout switch, and including tongue, stock rail and switching device, described turnout switch also includes overturn-preventing entirety backing plate described above, described tongue and described stock rail interval and is located at described overturn-preventing entirety backing plate.
In a preferred embodiment of the present utility model, the described fixed part side away from described two connecting portions is located at by described stock rail, and described tongue is located at the middle part of described backing plate body.
In a preferred embodiment of the present utility model, also including bolt assembly, described bolt assembly runs through the bolt hole of described cross bolts hole and described stock rail, will be close to connection between described stock rail and described fixed part.
In a preferred embodiment of the present utility model, also including turnout sleeper bolt, described turnout sleeper bolt runs through in described turnout sleeper bolt hole and is fixedly arranged on concrete switch sleeper by described overturn-preventing entirety backing plate.
In a preferred embodiment of the present utility model, also including rubber cushion, described rubber cushion is located between described backing plate body and described concrete switch sleeper.
Compared to prior art, overturn-preventing entirety backing plate that this utility model provides and apply its turnout switch and have the advantages that
1, fagging and backing plate body are cast into one, decrease existing split type, separately installed time part is many, problem that gap, overturn-preventing poor performance easily occur, it is effectively increased railway switch framework overall performance, improve rail brace force environment simultaneously, decrease union piece quantity, reduce cost, improve track switch service life, also provide convenience for construction, maintenance.
2, by the fagging of opposing cross force is cast on backing plate body, the trend that the gap existed with backing plate upper surface after eliminating the assembling of existing split type fagging and rail brace that thus gap causes turn up, ensure that stablizing of railway switch track geometry, it is ensured that traffic safety.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is prior art tongue slope climbing type structural representation；
Fig. 2 is the split type rail brace connection system cross-sectional view of prior art；
Fig. 3 is the sectional structure chart of a kind of embodiment of this utility model turnout switch；
Fig. 4 is the structure chart of the overturn-preventing entirety backing plate of turnout switch shown in Fig. 3.
Detailed description of the invention
Technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 3 and Fig. 4, the turnout switch that this utility model provides includes tongue 2, stock rail 3, switching device (figure does not look), overturn-preventing entirety backing plate 1, bolt assembly, turnout sleeper bolt 4 and rubber cushion 5, described tongue 2 and described stock rail 3 interval and is located at described overturn-preventing entirety backing plate 1.
Described overturn-preventing entirety backing plate 1 includes backing plate body 10 and fagging 9, described fagging 9 is U-shape structure, it includes fixed part 93 and symmetrically arranged two connecting portions 91 and two kinks 92, described two connecting portions 91 extend to form from one end of described backing plate body 10, and described two kinks 92 are located at the two ends of described fixed part 93 and connect described fixed part 93 and described two connecting portions 91 respectively.
The described fixed part 93 side away from described two connecting portions 91 is located at by described stock rail 3, and described tongue 2 is located at the middle part of described backing plate body 10.
The slidingsurface roughness installing described tongue 2 is Ra6.3 μm, is conducive to reducing frictional resistance when described tongue 2 slides, the soffit plane degree 1.0mm of described backing plate body 10.
Described backing plate body 10 is formed with two turnout sleeper bolt holes 100, and described two turnout sleeper bolt holes 100 lay respectively at the both sides of described backing plate body, and one of them turnout sleeper bolt hole is between described two connecting portions 91.
Described turnout sleeper bolt 4 runs through in described turnout sleeper bolt hole 100 and is fixedly arranged on concrete switch sleeper by described overturn-preventing entirety backing plate 1.
Described rubber cushion 5 is located between described backing plate body 10 and described concrete switch sleeper.
Described fagging 9 is formed with cross bolts hole 95, and described cross bolts hole 95 is positioned at described fixed part 93.
Described bolt assembly includes square head bolt 6, spring washer 7, nut 8, described square head bolt 6 runs through the bolt hole of described cross bolts hole 95 and described stock rail 3, and coordinate with described spring washer 7 and described nut 8, connection will be close between described stock rail 3 and described fixed part 93.
Concrete, the web of the rail contact position of described fixed part 93 and described stock rail 3 is designed as square four pieces prominent；Turnout sleeper bolt Aperture deviation is (0～+1) mm；Turnout sleeper bolt hole is eccentric design, meets different switch tie and installs needs.
Preferably, described overturn-preventing entirety backing plate 1 adopts cast steel or spheroidal graphite cast-iron one-body molded, and one piece casting manufacturing process grade meets the CT9 grade of regulation in GB/T6414.
During installation, first described overturn-preventing entirety backing plate 1 is placed on the described rubber cushion 5 of switch tie, pretension turnout sleeper bolt 4, then stock rail 3 is arranged in rail support groove, more described fagging 9 is bolted with stock rail 3.
When train passes through, described overturn-preventing entirety backing plate 1 resists wheel cross force, prevent stock rail from toppling fagging 9 and described backing plate body 10 adopt overall construction design, after being arranged on switch tie, its fagging 9 contacts with stock rail 3 web of the rail, under DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES effect, opposing train wheel is applied to the cross force of stock rail 3 rail head, it is ensured that turnout rail is within the scope of standard-required.
In sum, this utility model provides overturn-preventing entirety backing plate and apply its turnout switch and have the advantages that
1, fagging and backing plate body are cast into one, decrease existing split type, separately installed time part is many, problem that gap, overturn-preventing poor performance easily occur, it is effectively increased railway switch framework overall performance, improve rail brace force environment simultaneously, decrease union piece quantity, reduce cost, improve track switch service life, also provide convenience for construction, maintenance.
2, by the fagging of opposing cross force is cast on backing plate body, the trend that the gap existed with backing plate upper surface after eliminating the assembling of existing split type fagging and rail brace that thus gap causes turn up, ensure that stablizing of railway switch track geometry, it is ensured that traffic safety.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in scope of patent protection of the present utility model.
Claims (10)
1. an overturn-preventing entirety backing plate, it is applied to turnout switch, it is characterized in that, described overturn-preventing entirety backing plate includes backing plate body and fagging, described fagging is U-shape structure, it includes fixed part and symmetrically arranged two connecting portions and two kinks, and described two connecting portions extend to form from one end of described backing plate body, and described two kinks are located at the two ends of described fixed part and connect described fixed part and described two connecting portions respectively.
2. overturn-preventing entirety backing plate according to claim 1, it is characterized in that, described backing plate body is formed with two turnout sleeper bolt holes, and described two turnout sleeper bolt holes lay respectively at the both sides of described backing plate body, and one of them turnout sleeper bolt hole is between described two connecting portions.
3. overturn-preventing entirety backing plate according to claim 1, it is characterised in that described fagging is formed with cross bolts hole, and described cross bolts hole is positioned at described fixed part.
4. overturn-preventing entirety backing plate according to claim 1, it is characterised in that described backing plate body and fagging are one-body molded.
5. overturn-preventing entirety backing plate according to claim 4, it is characterised in that described overturn-preventing entirety backing plate adopts cast steel or spheroidal graphite cast-iron to make.
6. a turnout switch, including tongue, stock rail and switching device, it is characterized in that, described turnout switch also includes the overturn-preventing entirety backing plate in claim 1 to claim 5 as described in any one, described tongue and described stock rail interval and is located at described overturn-preventing entirety backing plate.
7. turnout switch according to claim 6, it is characterised in that the described fixed part side away from described two connecting portions is located at by described stock rail, and described tongue is located at the middle part of described backing plate body.
8. turnout switch according to claim 7, it is characterised in that also include bolt assembly and cross bolts hole, described bolt assembly runs through the bolt hole of described cross bolts hole and described stock rail, will be close to connection between described stock rail and described fixed part.
9. turnout switch according to claim 6, it is characterised in that also include turnout sleeper bolt, described turnout sleeper bolt runs through in described turnout sleeper bolt hole and is fixedly arranged on concrete switch sleeper by described overturn-preventing entirety backing plate.
10. turnout switch according to claim 9, it is characterised in that also include rubber cushion, described rubber cushion is located between described backing plate body and described concrete switch sleeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991480.2U CN205347892U (en) | 2015-12-04 | 2015-12-04 | Prevent toppling whole backing plate and use its way turnout switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991480.2U CN205347892U (en) | 2015-12-04 | 2015-12-04 | Prevent toppling whole backing plate and use its way turnout switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205347892U true CN205347892U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520991480.2U Active CN205347892U (en) | 2015-12-04 | 2015-12-04 | Prevent toppling whole backing plate and use its way turnout switch |
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| CN (1) | CN205347892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544319A (en) * | 2015-12-04 | 2016-05-04 | 中铁宝桥集团有限公司 | Overturning-preventing integrated cushion plate and turnout trip switch with same |
| CN109826056A (en) * | 2019-02-20 | 2019-05-31 | 王文生 | A kind of train wheel hub steering self-correcting component |
-
2015
- 2015-12-04 CN CN201520991480.2U patent/CN205347892U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544319A (en) * | 2015-12-04 | 2016-05-04 | 中铁宝桥集团有限公司 | Overturning-preventing integrated cushion plate and turnout trip switch with same |
| CN109826056A (en) * | 2019-02-20 | 2019-05-31 | 王文生 | A kind of train wheel hub steering self-correcting component |
| CN109826056B (en) * | 2019-02-20 | 2020-09-22 | 亚太空列(河南)轨道交通有限公司 | Steering self-correcting assembly for hub of train |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |