CN201473836U - Double-working edges integral abrasion-resistant guardrail for railway switch - Google Patents
Double-working edges integral abrasion-resistant guardrail for railway switch Download PDFInfo
- Publication number
- CN201473836U CN201473836U CN2009201903931U CN200920190393U CN201473836U CN 201473836 U CN201473836 U CN 201473836U CN 2009201903931 U CN2009201903931 U CN 2009201903931U CN 200920190393 U CN200920190393 U CN 200920190393U CN 201473836 U CN201473836 U CN 201473836U
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- guard rail
- guardrail
- working edge
- edge
- railway switch
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Abstract
The utility model relates to a guardrail of a railway switch, and aims at providing a double-working edges integral abrasion-resistant guardrail for the railway switch. The guardrail comprises two working edges of the guardrail and a web plate which is connected with the working edges, and the cross section of the guardrail has an upper-lower symmetrical structure: the guardrail is provided with an upper working edge and a lower working edge which are respectively arranged at the same side of the web plate; and correspondingly to each work edge, the upper edge and the lower edge of the other side of the web plate are respectively provided with a flange, and the transverse sizes of the flanges are equal and fixed. The guardrail has simple manufacture technology, reasonable design and good compatibility with the existing guardrail, can be interchanged with the existing guardrail, has high intensity and good abrasion resistance, has the double-working edges, can improve the work condition of the existing guardrail, and can prolong the service life more than one time, thereby the service efficiency and the driving safety of the guardrail are improved, and a large number of steel and maintenance cost are saved to meet the requirement of energy saving and emission reducing of China.
Description
Technical field
The utility model relates to a kind of railroad track, and more particularly, the utility model relates to a kind of novel railway track switch with duplexing working edge integral type wear-resistant guard rail.
Background technology
Guard rail is the important component part of fixed railway frog track switch.It is arranged on the railway frog both sides, is the traffic direction of control wheel, prevents that wheel from impacting or climb up actual point of frog at gap in the frog, guarantees the visual plant of traffic safety.A large amount of guard rails that use are formed by the machine after bending of common rail on the railway switch at present, are not special in guard rail designs, and its case hardness is not high, and is easy to wear.Particularly behind the train speed raising, the rate of wear of guard rail is faster, directly influences the application life and the traffic safety of guard rail.Be to solve the wear problem of guard rail, domestic have the welding alloy of use steel working edge to strengthen or rail carried out method such as surface peening, but all there are all deficiencies in present employed method, is difficult to promote the use of.
China utility model patent CN200949187Y discloses a kind of railroad frog with H type guard rail steel, adopts upper and lowerly to be common rail head of rail cross section and with respect to horizontal axis and the vertical axis H type cross section of symmetry respectively.The deficiency that this guard rail exists is: because the operating principle requirement of guard rail, its working edge is a, b, c, d, five sections broken lines compositions of e (seeing accompanying drawing 3), if directly process the guard rail working edge, the web that in the middle of a, e section must be cut to, connects, this is unallowed.Process bending earlier before the working edge for this reason, and also must be flat with the fitting face processing of guard rail fagging (with reference to the accompanying drawings 1) after the bending, the same with the technology that is processed as guard rail with original common rail, the processing technology complexity.China utility model patent CN200978372Y discloses a kind of railroad frog with C type guard rail steel, has the upper and lower end face of level and perpendicularly puts working edge and with respect to horizontal center line laterally zygomorphic " C " tee section.The deficiency that this guard rail exists is: the web of " C " shape guard rail is positioned at the opposite side of guard rail working edge, it is a flat face, with the guard rail fagging is that face contacts, and the mounting means of guard rail is to use bolt to link to each other with the guard rail fagging (with reference to the accompanying drawings 1) at web middle part, the stressed working edge of guard rail on top, from force analysis, requirement guard rail top must be sturdy with the guard rail fagging, could carry out the transmission of power well, stressed rationally, this just require guard rail and guard rail fagging machining accuracy very high, otherwise may there be the gap between guard rail top and the guard rail fagging, under the impact of train wheel, fatigue failure easily, even fracture.
Therefore, provide a kind of novel guard rail that can overcome above-mentioned all kinds of deficiency, seem very necessary for improving guard rail application life and traffic safety.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of novel railway track switch with duplexing working edge integral type wear-resistant guard rail.
Guard rail in the utility model comprises the working edge of guard rail and connects the web of working edge that the cross section of guard rail is symmetrical structure up and down: guard rail has each working edge up and down that is positioned at web the same side; Corresponding to each working edge, the lower edge is respectively equipped with flange on the web opposite side, and the lateral dimension of flange is identical and fixing.
As a kind of improvement, the lateral dimension of described working edge is to be increased gradually to the center of guard rail by two terminations.
As a kind of improvement, described guard rail is the whole rolling guard rail that forms of high-strength wear-resistant alloy steel.
As a kind of improvement, the bolt hole of some slotted hole shapes also is set on the web, be used for guard rail is installed on the guard rail fagging.
Compared with prior art, the beneficial effects of the utility model are:
Novel railway track switch is adopted milling method with duplexing working edge integral type wear-resistant guard rail, is convenient to a large amount of productions.Guard rail is a symmetrical structure up and down, thereby has two working edges, on one side the turning use another side in wearing and tearing back, the life-span is than long one times of existing single working edge guard rail; There is flange at the back side of working edge, flange is the binding face of guard rail and guard rail fagging, there is gap (accompanying drawing 1) between web and the guard rail fagging, thereby guarantee fitting tightly of the working edge back side and guard rail fagging under normal circumstances, stressed reasonable, requirement on machining accuracy to guard rail and guard rail fagging is low, is convenient to processing; After guard rail is rolled into blank, only need the bolt hole of processing working edge and connection usefulness, all the other are not all processed, and reduce processing capacity; Guard rail adopts rolling the forming of high-strength wear-resistant alloy steel, compares with rail material, and the intensity height, anti-wear performance is good, and the life-span is longer.
This practical system fabrication technique is simple, reasonable in design, good with existing guard rail compatibility, can exchange, its intensity is high and anti-wear performance is good, have two working edges, can improve the condition of work of existing guard rail, the life-span prolongs more than one times, thereby improves the service efficiency and the traffic safety of guard rail, save great deal of steel and maintenance cost, meet the energy-saving and emission-reduction requirement of country.
Description of drawings
Fig. 1 is the scheme of installation of guard rail in the present embodiment;
Fig. 2 is a guard rail side structure schematic diagram;
Fig. 3 is that guard rail is at the level cross-sectionn longitudinally at web place figure;
Fig. 4 is the cross-sectional view of the K of guard rail among Fig. 3 to the end;
Fig. 5 is the cross-sectional view of the K of guard rail among Fig. 3 to A-A, D-D place;
Fig. 6 is the cross-sectional view of the K of guard rail among Fig. 3 to B-B, C-C place.
The specific embodiment
With reference to the accompanying drawings, will be described in detail the utility model below.
Railway switch in the present embodiment is whole rolling the forming of high-strength wear-resistant alloy steel with duplexing working edge integral type wear-resistant guard rail, its cross section is symmetrical structure up and down, guard rail has each working edge 1 up and down that is positioned at the same side, is connected by web 2 between the working edge 1.Corresponding to each working edge 1, the lower edge is provided with flange 3 respectively on web 2 opposite sides, the lateral dimension of flange 3 is identical and immobilize, and such design can guarantee that guard rail need not bending, also can not switch to web (referring to accompanying drawing 3) when processing guard rail working edge a, e section.Lateral dimension described here is meant the horizontal size of the outer of the outer of flange or working edge to web vertical direction center line.Such design makes that in the cross-sectional layout of whole guard rail two working edges 1 are positioned at the same side, and web 2 is partial to opposite side.At the longitudinal direction of web 2 upper edge guard rails the bolt hole of some slotted hole shapes is set, is used for guard rail and is connected with installation between the guard rail fagging 4.
The lateral dimension of the working edge of guard rail is not a fixed value, and it is (as shown in Figure 3) that is increased gradually to the center of guard rail by two terminations.In the specific implementation, the guard rail blank at first is rolled into identical maximum section configuration (B-B among Fig. 2, C-C section), then according to the designing requirement of different guard rails, adopt mach mode to process the shape and the bolt hole of the required working edge of guard rail 1, can obtain the guard rail finished product.
In the utility model, because the design of flange 3 is arranged, guard rail is resisted against on the guard rail fagging 4 with two flanges 3 when mounted, and this has just been avoided, and C type guard rail may cause firmly installing because of processing the improper web back face deformation that causes, stressed bad hidden danger takes place.Simultaneously,, guaranteed that two working edges have enough sizes of stretching out, also can not cause switching to web when processing a, e section, guaranteed the intensity of guard rail because of web is amesiality.
It is also to be noted that what more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.
Claims (4)
1. a railway switch comprises the working edge of guard rail and the web of connection working edge with duplexing working edge integral type wear-resistant guard rail, and it is characterized in that the cross section of guard rail is symmetrical structure up and down: guard rail has each working edge up and down that is positioned at web the same side; Corresponding to each working edge, the lower edge is respectively equipped with flange on the web opposite side, and the lateral dimension of flange is identical and fixing.
2. railway switch according to claim 1 is characterized in that with duplexing working edge integral type wear-resistant guard rail, and the lateral dimension of described working edge is to be increased gradually to the center of guard rail by two terminations.
3. railway switch according to claim 1 is characterized in that with duplexing working edge integral type wear-resistant guard rail described guard rail is the whole rolling guard rail that forms of high-strength wear-resistant alloy steel.
4. railway switch according to claim 1 is characterized in that with duplexing working edge integral type wear-resistant guard rail, and the bolt hole of some slotted hole shapes also is set on the web, is used for guard rail is installed on the guard rail fagging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201903931U CN201473836U (en) | 2009-08-03 | 2009-08-03 | Double-working edges integral abrasion-resistant guardrail for railway switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201903931U CN201473836U (en) | 2009-08-03 | 2009-08-03 | Double-working edges integral abrasion-resistant guardrail for railway switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201473836U true CN201473836U (en) | 2010-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201903931U Expired - Fee Related CN201473836U (en) | 2009-08-03 | 2009-08-03 | Double-working edges integral abrasion-resistant guardrail for railway switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201473836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364295A (en) * | 2020-04-13 | 2020-07-03 | 中国铁建重工集团股份有限公司 | Switch structure and track system |
-
2009
- 2009-08-03 CN CN2009201903931U patent/CN201473836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364295A (en) * | 2020-04-13 | 2020-07-03 | 中国铁建重工集团股份有限公司 | Switch structure and track system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Bell Communication Group Co., Ltd. Assignor: Fang Jianping Contract record no.: 2011330000955 Denomination of utility model: Double-working edge integral type wear-resistant guardrail for railway turnout Granted publication date: 20100519 License type: Exclusive License Record date: 20110714 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120803 |