CN105544319A - Overturning-preventing integrated cushion plate and turnout trip switch with same - Google Patents
Overturning-preventing integrated cushion plate and turnout trip switch with same Download PDFInfo
- Publication number
- CN105544319A CN105544319A CN201510877493.1A CN201510877493A CN105544319A CN 105544319 A CN105544319 A CN 105544319A CN 201510877493 A CN201510877493 A CN 201510877493A CN 105544319 A CN105544319 A CN 105544319A
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- CN
- China
- Prior art keywords
- backing plate
- turnout
- preventing
- overturn
- overall
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention provides an overturning-preventing integrated cushion plate and a turnout trip switch with the same. The overturning-preventing integrated cushion plate comprises a cushion plate body and a supporting plate. The supporting plate is of a U-shaped structure and comprises a fixing part, two symmetrically-arranged connecting parts and two symmetrically-arranged bent parts. Each of the two connecting parts is formed in a manner of extending from one end of the cushion plate body. The two bent parts are arranged at the two ends of the fixing part and connected with the fixing part and the two connecting parts. By the adoption of the overturning-preventing integrated cushion plate and the turnout trip switch with the overturning-preventing integrated cushion plate, the supporting plate and the cushion plate body are cast into a whole, the problems that the number of parts is large, cracks are likely to appear, and the overturning-preventing performance is poor in the existing split and independent installation process are solved, and the overall performance of a frame of the trip switch is effectively improved; and meanwhile the rail brace stress environment is improved, the number of the connecting parts is reduced, cost is reduced, the service life of a turnout is prolonged, and convenience is provided for construction and maintenance.
Description
Technical field
The present invention relates to railway switching machines stock rail technique for fixing field, particularly relate to the overall backing plate of a kind of overturn-preventing and apply its turnout switch.
Background technology
For resist train by time wheel to the disturbance of track switch physical dimension, ensure track geometry such as turnout rail distance grade, solid and reliable railway switch frame size is essential.
Existing split switch, because tongue adopts common stock rail manufacture, siding track limb upper surface in stock rail 3 " is climbed " in tongue 2 bottom, sees accompanying drawing 1.Cause, without fastener restriction inside the stock rail within the scope of tongue, under DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES effect, easily occurring basic 3 flare phenomenons, causing gauge to be expanded, reduce traffic safety reliability and track switch application life.
For reducing the stock rail flare of said structure track switch, the problem of gauge expansion, generally at stock rail arranged outside rail brace, to resist the lateral force under DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES effect, improve track switch framework globality.The structure rail brace generally adopted at present and backing plate are split type, see accompanying drawing 2.Affect by rail brace casting and backing plate foozle, stock rail flare problem can not be solved completely after assembling, and when active force is larger, occur rail brace fracture failure.In addition, it is many that split-type structural has number of parts, installs inconvenient, the high deficiency of manufacturing cost.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the overall backing plate of a kind of overturn-preventing.
The overall backing plate of overturn-preventing provided by the invention, be applied to turnout switch, the overall backing plate of described overturn-preventing comprises backing plate body and fagging, described fagging is U-shaped structure, it comprises 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 are connected described fixed part and described two connecting portions respectively.
In a preferred embodiment of the present invention, 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 invention, 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 invention, described backing plate body and fagging one-body molded.
In a preferred embodiment of the present invention, the overall backing plate of described overturn-preventing adopts cast steel or ductile iron to make.
The present invention also provides a kind of turnout switch, comprises tongue, stock rail and switching device, and described turnout switch also comprises the overall backing plate of overturn-preventing described above, and the overall backing plate of described overturn-preventing is located at described tongue and described stock rail interval.
In a preferred embodiment of the present invention, the side of described fixed part away from described two connecting portions be 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 invention, also comprise bolt assembly, described bolt assembly runs through the bolt hole of described cross bolts hole and described stock rail, is close to connection by between described stock rail and described fixed part.
In a preferred embodiment of the present invention, also comprise turnout sleeper bolt, described turnout sleeper bolt to run through in described turnout sleeper bolt hole and is fixedly arranged on concrete switch sleeper by overall for described overturn-preventing backing plate.
In a preferred embodiment of the present invention, also comprise rubber cushion, described rubber cushion is located between described backing plate body and described concrete switch sleeper.
Compared to prior art, the overall backing plate of overturn-preventing provided by the invention and the turnout switch applying it have following beneficial effect:
1, fagging and backing plate body are cast into one, decrease existing split type, independent part many, the problem that easily occurs gap, overturn-preventing poor performance when installing, effectively improve railway switch framework overall performance, improve rail brace force environment simultaneously, decrease union piece quantity, reduce cost, improve track switch application life, also for construction, maintenance are provided convenience.
2, by the fagging of opposing lateral force is cast on backing plate body, eliminate the gap that existing split type fagging assembles afterwards and backing plate upper surface exists and the trend that the rail brace that gap causes thus is turned up, ensure that the stable of railway switch track geometry, ensure that traffic safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is prior art tongue slope climbing type structural representation;
Fig. 2 is prior art split type rail brace connected system cross-sectional view;
Fig. 3 is the sectional structure chart of a kind of embodiment of turnout switch of the present invention;
Fig. 4 is the structure chart of the overall backing plate of overturn-preventing of turnout switch shown in Fig. 3.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 3 and Fig. 4, turnout switch provided by the invention comprises tongue 2, stock rail 3, switching device (figure does not look), overturn-preventing overall backing plate 1, bolt assembly, turnout sleeper bolt 4 and rubber cushion 5, and the overall backing plate 1 of described overturn-preventing is located at described tongue 2 and described stock rail 3 interval.
The overall backing plate 1 of described overturn-preventing comprises backing plate body 10 and fagging 9, described fagging 9 is U-shaped structure, it comprises 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 are connected described fixed part 93 and described two connecting portions 91 respectively.
The side of described fixed part 93 away from described two connecting portions 91 be 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 of 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 to run through in described turnout sleeper bolt hole 100 and is fixedly arranged on concrete switch sleeper by overall for described overturn-preventing 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 comprises lag screw 6, spring washer 7, nut 8, described lag screw 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, be close to connection by between described stock rail 3 and described fixed part 93.
Concrete, described fixed part 93 and the web of the rail contact position of described stock rail 3 are designed to four pieces of outstanding squares; Turnout sleeper bolt Aperture deviation is (0 ~+1) mm; Turnout sleeper bolt hole is eccentric design, meets different switch tie and installs needs.
Preferably, the overall backing plate 1 of described overturn-preventing adopt cast steel or ductile iron one-body molded, monoblock cast manufacturing process grade meets the CT9 grade specified in GB/T6414.
During installation, be first placed on the described rubber cushion 5 of switch tie by overall for described overturn-preventing backing plate 1, pretension turnout sleeper bolt 4, is then arranged on stock rail 3 in rail support groove, then is bolted with stock rail 3 by described fagging 9.
When train passes through, the overall backing plate 1 of described overturn-preventing resists wheel lateral 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 lateral force of stock rail 3 rail head, ensures that turnout rail is apart within the scope of standard-required.
In sum, the overall backing plate of overturn-preventing provided by the invention and the turnout switch of applying it have following beneficial effect:
1, fagging and backing plate body are cast into one, decrease existing split type, independent part many, the problem that easily occurs gap, overturn-preventing poor performance when installing, effectively improve railway switch framework overall performance, improve rail brace force environment simultaneously, decrease union piece quantity, reduce cost, improve track switch application life, also for construction, maintenance are provided convenience.
2, by the fagging of opposing lateral force is cast on backing plate body, eliminate the gap that existing split type fagging assembles afterwards and backing plate upper surface exists and the trend that the rail brace that gap causes thus is turned up, ensure that the stable of railway switch track geometry, ensure that traffic safety.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the overall backing plate of overturn-preventing, be applied to turnout switch, it is characterized in that, the overall backing plate of described overturn-preventing comprises backing plate body and fagging, described fagging is U-shaped structure, it comprises 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 are connected described fixed part and described two connecting portions respectively.
2. the overall backing plate of overturn-preventing 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. the overall backing plate of overturn-preventing according to claim 1, it is characterized in that, described fagging is formed with cross bolts hole, and described cross bolts hole is positioned at described fixed part.
4. the overall backing plate of overturn-preventing according to claim 1, is characterized in that, described backing plate body and fagging one-body molded.
5. the overall backing plate of overturn-preventing according to claim 4, is characterized in that, the overall backing plate of described overturn-preventing adopts cast steel or ductile iron to make.
6. a turnout switch, comprise tongue, stock rail and switching device, it is characterized in that, described turnout switch also comprises if claim 1 is to the overall backing plate of overturn-preventing according to claim 5, and the overall backing plate of described overturn-preventing is located at described tongue and described stock rail interval.
7. turnout switch according to claim 6, is characterized in that, the side of described fixed part away from described two connecting portions be 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, is characterized in that, also comprises bolt assembly, and described bolt assembly runs through the bolt hole of described cross bolts hole and described stock rail, is close to connection by between described stock rail and described fixed part.
9. turnout switch according to claim 6, is characterized in that, also comprises turnout sleeper bolt, and described turnout sleeper bolt to run through in described turnout sleeper bolt hole and is fixedly arranged on concrete switch sleeper by overall for described overturn-preventing backing plate.
10. turnout switch according to claim 9, is characterized in that, also comprises rubber cushion, and 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 |
|---|---|---|---|
| CN201510877493.1A CN105544319A (en) | 2015-12-04 | 2015-12-04 | Overturning-preventing integrated cushion plate and turnout trip switch with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877493.1A CN105544319A (en) | 2015-12-04 | 2015-12-04 | Overturning-preventing integrated cushion plate and turnout trip switch with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105544319A true CN105544319A (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510877493.1A Pending CN105544319A (en) | 2015-12-04 | 2015-12-04 | Overturning-preventing integrated cushion plate and turnout trip switch with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105544319A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417508B (en) * | 2004-08-24 | 2006-07-12 | Schwihag Gmbh | Fastening device for fixing a stock rail in a set of railway points |
| CN101161934A (en) * | 2006-10-13 | 2008-04-16 | 施维哈克股份公司 | Device for throwing a switch point |
| CN201433335Y (en) * | 2009-07-16 | 2010-03-31 | 太原市京丰铁路电务器材制造有限公司 | Reinforcement anti-bouncer of switch point rail |
| CN203065903U (en) * | 2012-09-28 | 2013-07-17 | 中铁宝桥集团有限公司 | Guardrail base plate for railway turnout |
| CN205347892U (en) * | 2015-12-04 | 2016-06-29 | 中铁宝桥集团有限公司 | Prevent toppling whole backing plate and use its way turnout switch |
-
2015
- 2015-12-04 CN CN201510877493.1A patent/CN105544319A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417508B (en) * | 2004-08-24 | 2006-07-12 | Schwihag Gmbh | Fastening device for fixing a stock rail in a set of railway points |
| CN101161934A (en) * | 2006-10-13 | 2008-04-16 | 施维哈克股份公司 | Device for throwing a switch point |
| CN201433335Y (en) * | 2009-07-16 | 2010-03-31 | 太原市京丰铁路电务器材制造有限公司 | Reinforcement anti-bouncer of switch point rail |
| CN203065903U (en) * | 2012-09-28 | 2013-07-17 | 中铁宝桥集团有限公司 | Guardrail base plate for railway turnout |
| CN205347892U (en) * | 2015-12-04 | 2016-06-29 | 中铁宝桥集团有限公司 | Prevent toppling whole backing plate and use its way turnout switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |
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| RJ01 | Rejection of invention patent application after publication |