CN210529376U - Combined high manganese steel frog - Google Patents
Combined high manganese steel frog Download PDFInfo
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- CN210529376U CN210529376U CN201920939443.5U CN201920939443U CN210529376U CN 210529376 U CN210529376 U CN 210529376U CN 201920939443 U CN201920939443 U CN 201920939443U CN 210529376 U CN210529376 U CN 210529376U
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Abstract
The utility model discloses a combined high manganese steel frog, relating to the technical field of rails; the frog groove comprises a single-opening frog groove and an obtuse frog groove, the single-opening frog groove comprises a type I single-opening frog groove and a type II single-opening frog groove, the type I single-opening frog groove and the type II single-opening frog groove are positioned on one side of an obtuse angle of the obtuse frog groove, the type I single-opening frog groove is positioned at one acute-angle end of the obtuse frog groove, and the type II single-opening frog groove is positioned at the other acute-angle end of the obtuse frog groove; the straight strand groove of the I-type single-opening frog groove is communicated and collinear with the straight strand groove of the II-type single-opening frog groove, the side strand groove of the I-type single-opening frog groove is communicated and collinear with the rail groove corresponding to the obtuse frog groove, and the side strand groove of the II-type single-opening frog groove is communicated and collinear with the rail groove corresponding to the obtuse frog groove; the utility model discloses the frog of whole casting out replaces the concatenation combination with whole casting, need not consider the concatenation between the frog.
Description
Technical Field
The utility model relates to the technical field of tracks; in particular to a combined high manganese steel frog.
Background
Most of the existing crossing lines are formed by splicing and combining a plurality of frog, however, in urban rails, due to the reasons of terrain and original buildings, some areas needing to be provided with the crossing lines cannot be provided with large-distance crossing lines, and only small-distance crossing lines can be arranged; in the small-distance cross-over line, due to the poor toughness of the high manganese steel, the high manganese steel single-open frog and the high manganese steel obtuse frog cannot be spliced and combined, and the small-distance high manganese steel cross-over line which cannot be manufactured can only be spliced by alloy steel rails; however, the strength and the wear resistance of the alloy steel are not the same as those of high manganese steel, and the steel rail is worn greatly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the high manganese steel single-opening frog and the high manganese steel obtuse-angle frog can not be spliced and combined in the small-distance cross-over line, the small-distance high manganese steel cross-over line which can not be manufactured can only be spliced by alloy steel rails; however, the strength and the wear resistance of the alloy steel are not as good as those of high manganese steel, the steel rail has larger wear and the like, and the utility model designs a combined high manganese steel frog.
A combined high manganese steel frog comprises a whole casting plate, wherein the whole casting plate is provided with a frog groove, the frog groove comprises a single-opening frog groove and an obtuse frog groove, the single-opening frog groove comprises a type I single-opening frog groove and a type II single-opening frog groove, the type I single-opening frog groove and the type II single-opening frog groove are positioned on one side of an obtuse angle of the obtuse frog groove, the type I single-opening frog groove is positioned on one acute-angle end of the obtuse frog groove, and the type II single-opening frog groove is positioned on the other acute-angle end of the obtuse frog groove; the straight strand groove of the I-shaped single-opening frog groove and the
The straight strand groove of II type list division frog groove communicates and collineates mutually, the side strand groove of I type list division frog groove with the rail groove that the obtuse angle frog groove corresponds is linked together and collineates, the side strand groove of II type list division frog groove with the rail groove that the obtuse angle frog groove corresponds is linked together and collineates.
Preferably, the straight groove of the type i single-opening frog groove has the same groove width as the straight groove of the type ii single-opening frog groove, the side groove of the type i single-opening frog groove has the same groove width as the rail groove corresponding to the obtuse-angle frog groove, and the side groove of the type ii single-opening frog groove has the same groove width as the rail groove corresponding to the obtuse-angle frog groove.
Preferably, the whole casting plate is a bottomless shell, longitudinal ribs and transverse ribs are arranged in the shell, the transverse ribs are arranged at the bottoms of the longitudinal ribs at intervals, the bottom ends of the longitudinal ribs are fixedly connected to the top of the whole casting plate, and the bottom ends of the longitudinal ribs are fixedly connected with the transverse ribs; the bottom of the frog groove is fixedly connected with the longitudinal bar.
Preferably, the longitudinal bar connected to the bottom of the frog groove is a vertical plate extending along the corresponding rail groove.
Preferably, the whole casting plate is fixedly installed on the sleeper through spike bolts.
Compared with the prior art, the utility model has the advantages of:
1. the whole cast frog of the utility model replaces splicing combination by integral casting, and a complete high manganese steel cross crossover line with small spacing can be manufactured without considering splicing between the frog, so that vehicles can pass stably, and the line operation efficiency is increased;
2. the utility model has the advantages that the uniform groove width is arranged at the connecting position, the transition of different groove widths of the opening section of the guard rail is avoided, and the stability of passing vehicles is improved;
3. compared with a solid whole casting plate, the longitudinal ribs and the transverse ribs are reasonably arranged in the frog, so that the strength and the performance of the frog are not influenced, the difficulty in casting is reduced, and the probability of casting defects is reduced;
4. when the frog is worn and needs to go next, the utility model is of an integral structure, so that only a new frog needs to be replaced, the replacement is more convenient, and the cost is lower;
5. compared with the steel rail made of alloy steel, the frog made of high manganese steel material has better wear resistance, is not easy to wear and has long service life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a cross-sectional view of the present invention A-A;
FIG. 4 is a cross-sectional view of the present invention B-B;
fig. 5 is a cross-sectional view of the present invention C-C.
Wherein, 1-a whole casting plate, 2-a frog groove, 3-I type single-opening frog groove, 4-II type single-opening frog groove, 5-obtuse frog groove, 6-longitudinal bar, 7-transverse bar, 8-spike bolt and 9-sleeper.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and the detailed description.
Examples
As shown in fig. 1 to 5, a combined high manganese steel frog comprises a whole casting plate 1, wherein the whole casting plate 1 is provided with a frog groove 2, the frog groove 2 comprises a single-opening frog groove and an obtuse frog groove 5, the single-opening frog groove comprises a type i single-opening frog groove 3 and a type ii single-opening frog groove 4, the type i single-opening frog groove 3 and the type ii single-opening frog groove 4 are positioned on one side of an obtuse angle of the obtuse frog groove 5, the type i single-opening frog groove 3 is positioned on one acute-angle end of the obtuse frog groove 5, and the type ii single-opening frog groove 4 is positioned on the other acute-angle end of the obtuse frog groove 5; the straight stock groove of I type list division frog groove 3 with the straight stock groove of II type list division frog groove 4 communicates and collineates mutually, the side stock groove of I type list division frog groove 3 with the rail groove that obtuse angle frog groove 5 corresponds is linked together and collineates, the side stock groove of II type list division frog groove 4 with the rail groove that obtuse angle frog groove 5 corresponds is linked together and collineates.
The groove width of the straight groove of the I-type single-opening frog groove 3 is the same as that of the straight groove of the II-type single-opening frog groove 4, the groove width of the side groove of the I-type single-opening frog groove 3 is the same as that of the rail groove corresponding to the obtuse-angle frog groove 5, and the groove width of the side groove of the II-type single-opening frog groove 4 is the same as that of the rail groove corresponding to the obtuse-angle frog groove 5.
The whole casting plate 1 is a bottomless shell, longitudinal ribs 6 and transverse ribs 7 are arranged in the shell, the transverse ribs 7 are arranged at the bottoms of the longitudinal ribs 6 at intervals, the bottom ends of the longitudinal ribs 6 are fixedly connected to the top of the whole casting plate 1, and the bottom ends of the longitudinal ribs 6 are fixedly connected with the transverse ribs 7; the bottom of the frog groove 2 is fixedly connected with the longitudinal bar 6.
The longitudinal ribs 6 connected to the bottom of the frog groove 2 are vertical plates extending along the corresponding rail groove direction.
The whole casting plate 1 is fixedly arranged on a sleeper 9 through spike bolts 8.
In this embodiment, the frog assembly 2 is formed integrally with the cast slab 1. The working process and principle are as follows:
in urban rails, due to the terrain and the original buildings, cross crossover lines cannot be arranged in some areas needing to be provided with the cross crossover lines; for the small-distance cross-over line, the high manganese steel small-distance cross-over line suitable for the environment is difficult to combine due to the inconvenience of splicing and combining the single-opening frog of the high manganese steel and the obtuse-angle frog of the high manganese steel; the utility model discloses a high manganese steel frog adopts the mode of whole casting, has skipped the concatenation of singly opening frog with the obtuse frog, can be according to the topography, directly produce a complete whole cross-over frog according to local conditions.
Firstly, designing a cross crossover according to the terrain, then manufacturing a model according to the designed crossover so as to manufacture a sand mold, then pouring the smelted metal solution into the sand mold, and taking out a finished product after cooling.
Basically, most of the existing cross crossover lines are formed by splicing and combining a plurality of frog, however, in urban rails, due to the reasons of terrain and original buildings, some areas needing to be provided with the cross crossover lines cannot be provided with large-distance cross crossover lines, and only small-distance cross crossover lines can be arranged; in the small-distance cross-over line, due to the poor toughness of the high manganese steel, the high manganese steel single-open frog and the high manganese steel obtuse frog cannot be spliced and combined, and the small-distance high manganese steel cross-over line which cannot be manufactured can only be spliced by alloy steel rails; however, the strength and the wear resistance of the alloy steel are not the same as those of high manganese steel, and the steel rail is worn greatly.
The integrally cast frog of the utility model replaces splicing combination by integral casting, and a complete small-distance cross crossover line can be manufactured without considering splicing among the frog, so that vehicles can stably pass through the crossing line, and the line operation efficiency is increased; the utility model has the advantages that the uniform groove width is arranged at the connecting position, the transition of different groove widths of the opening section of the guard rail is avoided, and the stability of passing vehicles is improved; the longitudinal and transverse ribs 7 are reasonably arranged in the frog, so that the intensity and performance of the frog are not influenced, the difficulty in casting is reduced, and the probability of casting defects is reduced; when the frog wearing and tearing need the next trip, because the utility model discloses an overall structure, consequently only need change a new frog can for it is more convenient to change, and the cost is compared lowerly.
The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (5)
1. A combined high manganese steel frog comprising a whole casting plate (1), wherein the whole casting plate (1) is provided with a frog groove (2), the frog groove (2) comprises a single-opening frog groove and an obtuse frog groove (5), the single-opening frog groove comprises a type i single-opening frog groove (3) and a type ii single-opening frog groove (4), the type i single-opening frog groove (3) and the type ii single-opening frog groove (4) are positioned on the obtuse-angle side of the obtuse frog groove (5), the type i single-opening frog groove (3) is positioned at one acute-angle end of the obtuse frog groove (5), and the type ii single-opening frog groove (4) is positioned at the other acute-angle end of the obtuse frog groove (5); the straight stock groove of I type list division frog groove (3) with the straight stock groove of II type list division frog groove (4) communicates mutually and collineatly, the side stock groove of I type list division frog groove (3) with the rail groove that obtuse angle frog groove (5) correspond is linked together and collineatly, the side stock groove of II type list division frog groove (4) with the rail groove that obtuse angle frog groove (5) correspond is linked together and collineatly.
2. The assembled high manganese steel frog of claim 1, wherein said type i single opening
The straight strand groove of the frog groove (3) has the same groove width as the straight strand groove of the II-type single-opening frog groove (4), the side strand groove of the I-type single-opening frog groove (3) has the same groove width as the corresponding rail groove of the obtuse-angle frog groove (5),
the side strand groove of the II-type single-opening frog groove (4) is the same as the groove width of the rail groove corresponding to the obtuse-angle frog groove (5).
3. The combined high manganese steel frog according to claim 1, characterized in that the whole casting plate (1) is a bottomless shell, a longitudinal bar (6) and a transverse bar (7) are arranged in the shell, the transverse bar (7) is arranged at the top of the longitudinal bar (6) at intervals, and the bottom end of the longitudinal bar (6) is fixedly connected to the top of the whole casting plate (1); the bottom of the frog groove (2) is fixedly connected with the longitudinal bar (6).
4. A composite high manganese steel frog according to claim 3 characterized in that the longitudinal bars (6) attached to the bottom of the frog groove (2) are risers extending in the direction of the corresponding rail groove.
5. A composite high manganese steel frog according to claim 1 characterized in that the cast slab (1) is fixedly mounted on the sleepers (9) by spike bolts (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939443.5U CN210529376U (en) | 2019-06-21 | 2019-06-21 | Combined high manganese steel frog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939443.5U CN210529376U (en) | 2019-06-21 | 2019-06-21 | Combined high manganese steel frog |
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| Publication Number | Publication Date |
|---|---|
| CN210529376U true CN210529376U (en) | 2020-05-15 |
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| CN201920939443.5U Active CN210529376U (en) | 2019-06-21 | 2019-06-21 | Combined high manganese steel frog |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130159A (en) * | 2019-06-21 | 2019-08-16 | 芜湖中铁科吉富轨道有限公司 | A kind of combination high manganese steel frog |
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2019
- 2019-06-21 CN CN201920939443.5U patent/CN210529376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130159A (en) * | 2019-06-21 | 2019-08-16 | 芜湖中铁科吉富轨道有限公司 | A kind of combination high manganese steel frog |
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