CN221297442U - High manganese steel movable point frog structure - Google Patents
High manganese steel movable point frog structure Download PDFInfo
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- CN221297442U CN221297442U CN202322770205.5U CN202322770205U CN221297442U CN 221297442 U CN221297442 U CN 221297442U CN 202322770205 U CN202322770205 U CN 202322770205U CN 221297442 U CN221297442 U CN 221297442U
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- rail
- manganese steel
- high manganese
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- 229910000617 Mangalloy Inorganic materials 0.000 title claims abstract description 110
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052742 iron Inorganic materials 0.000 claims abstract description 38
- 230000007704 transition Effects 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a high manganese steel movable frog structure, which comprises a left wing rail, a right wing rail, a left fork heel switch rail, a right fork heel switch rail, a high manganese steel switch rail, a pivot assembly and a traction device; the pivot assembly comprises a pivot and an iron backing plate; the pivot is matched with a pivot hole on the iron base plate; the groove at the heel end of the high-manganese steel core rail is mutually matched and connected with the pivot. Compared with the existing movable core structure, the structure has small longitudinal occupied space, eliminates the harmful space in the frog, and reduces the irregularity of the transition between the wing rail and the point rail; the core rail rotates around the pivot rigidly, the traction force is small, and the pulling is more flexible. The heel end of the rail is in oblique contact transition with the fork heel rail, so that the rail can be replaced conveniently; the characteristics of high extensibility and high impact toughness of the high manganese steel material are fully utilized, the service life of the frog is prolonged, and the high manganese steel frog can be used for heavy-load circuits.
Description
Technical Field
The utility model relates to the technical field of railway equipment, in particular to a high manganese steel movable point frog structure suitable for passenger and cargo railways.
Background
At present, the throat to the frog center in the fixed frog has a harmful space, and the continuity of the track gauge line of the turnout cannot be ensured. The wing rail top surface is horizontally heightened relative to the center rail top surface, when the vehicle wheel reversely turns into the turnout, the wheel can generate stronger impact on the center rail when passing through a harmful space, the service life of the fixed frog is reduced, and meanwhile, the passing speed of the turnout is limited. In order to eliminate harmful space, the conventional movable point switch generally adopts a single-limb elastic bendable structure or a double-limb elastic bendable structure, and a long and short point rail assembly is formed by assembling steel rails and is provided with a plurality of traction points.
However, this approach has three disadvantages: the longitudinal occupied space is large; the traction force required by the heart rail is larger, and insufficient displacement is easy to generate; is not suitable for small number turnouts.
Disclosure of utility model
The utility model provides a high manganese steel movable frog structure.
The utility model provides the following scheme:
A high manganese steel movable point frog structure comprising:
left wing rail, right wing rail, left fork heel switch rail, right fork heel switch rail, high manganese steel core rail, pivot assembly and traction device; the pivot assembly comprises a pivot and an iron backing plate;
The pivot is matched with a pivot hole on the iron base plate; the groove at the heel end of the high-manganese steel core rail is mutually matched and connected with the pivot; the traction device is mutually matched and connected with the conversion groove at the front end of the high-manganese steel core rail, so that the high-manganese steel core rail can rigidly rotate around the pivot;
When the high manganese steel point rail is in the straight-strand opening direction of the turnout, the front end of the high manganese steel point rail is closely attached to the right flank rail, and meanwhile, the rear end of the high manganese steel point rail is closely attached to the left fork and the switch rail, so that the track gauge line continuity of the straight-strand direction of the turnout is ensured; when the high manganese steel point rail is in the direction of opening side strands of the turnout, the front end of the high manganese steel point rail is closely attached to the left flank rail, and meanwhile, the rear end of the high manganese steel point rail is closely attached to the right side fork and the switch rail, so that the track gauge line continuity of the direction of the side strands of the turnout is ensured.
Preferably: the high manganese steel core rail is processed by adopting a casting process.
Preferably: the grooves have a circular groove structure.
Preferably: and two sides of the rear end of the high manganese steel core rail are respectively in oblique joint transition with the left fork heel switch rail and the right fork heel switch rail.
Preferably: the pivot hole is a non-penetrating hole.
Preferably: the toe end anti-jump spacer iron is positioned between the left wing rail and the right wing rail at the front end of the high-manganese steel core rail; the toe end anti-jump spacer iron is used for limiting the high manganese steel core rail to generate vertical displacement and guaranteeing the frame sizes of the left wing rail and the right wing rail.
Preferably: the high manganese steel core rail also comprises a heel anti-jump spacer iron, wherein the heel anti-jump spacer iron is positioned between the left side fork heel switch rail and the right side fork heel switch rail at the rear end of the high manganese steel core rail; the heel end anti-jump spacer iron is used for ensuring that the left side fork heel switch rail or the right side fork heel switch rail is closely attached to the heel end of the high-manganese steel core rail.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:
According to the utility model, a high manganese steel movable frog structure can be realized, and in one implementation manner, the structure can comprise a left wing rail, a right wing rail, a left fork heel switch rail, a right fork heel switch rail, a high manganese steel switch rail, a pivot assembly and a traction device; the pivot assembly comprises a pivot and an iron backing plate; the pivot is matched with a pivot hole on the iron base plate; the groove at the heel end of the high-manganese steel core rail is mutually matched and connected with the pivot; the traction device is mutually matched and connected with the conversion groove at the front end of the high-manganese steel core rail, so that the high-manganese steel core rail can rigidly rotate around the pivot; when the high manganese steel point rail is in the straight-strand opening direction of the turnout, the front end of the high manganese steel point rail is closely attached to the right flank rail, and meanwhile, the rear end of the high manganese steel point rail is closely attached to the left fork and the switch rail, so that the track gauge line continuity of the straight-strand direction of the turnout is ensured; when the high manganese steel point rail is in the direction of opening side strands of the turnout, the front end of the high manganese steel point rail is closely attached to the left flank rail, and meanwhile, the rear end of the high manganese steel point rail is closely attached to the right side fork and the switch rail, so that the track gauge line continuity of the direction of the side strands of the turnout is ensured. The high manganese steel movable point frog structure provided by the utility model has the advantages that the rear end of the high manganese steel point rail is matched with the pivot, and the front end of the high manganese steel point rail is matched with the traction device, so that the point rail can rotate around the pivot. Compared with the existing movable core structure, the structure has small longitudinal occupied space, eliminates the harmful space in the frog, and reduces the irregularity of the transition between the wing rail and the point rail; the core rail rotates around the pivot rigidly, the traction force is small, and the pulling is more flexible. The heel end of the rail is in oblique contact transition with the fork heel rail, so that the rail can be replaced conveniently; the characteristics of high extensibility and high impact toughness of the high manganese steel material are fully utilized, the service life of the frog is prolonged, and the high manganese steel frog can be used for heavy-load circuits.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a high manganese steel movable point frog structure provided by an embodiment of the utility model;
FIG. 2 is a plan view of A-A provided by an embodiment of the present utility model;
FIG. 3 is a plan view of B-B provided by an embodiment of the present utility model;
FIG. 4 is a schematic view of a first construction of a high manganese steel core rail according to an embodiment of the present utility model;
Fig. 5 is a second schematic structural view of a high manganese steel core rail according to an embodiment of the present utility model.
In the figure: the left wing rail 1, the right wing rail 2, the left fork heel point rail 3, the right fork heel point rail 4, the high manganese steel point rail 5, the toe end anti-jump spacing iron 6, the heel end anti-jump spacing iron 7, the pivot assembly 8, the pivot 801, the iron backing plate 802 and the traction device 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Examples
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a high manganese steel movable frog structure provided in an embodiment of the present utility model, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the structure may include:
A left wing rail 1, a right wing rail 2, a left fork heel point rail 3, a right fork heel point rail 4, a high manganese steel point rail 5, a pivot 801 assembly 8 and a traction device 9; the pivot 801 assembly 8 includes a pivot 801 and an iron pad 802;
The pivot 801 mates with a pivot 801 hole on the iron pad 802; the groove at the heel end of the high manganese steel core rail 5 is mutually matched and connected with the pivot 801; the traction device 9 is mutually matched and connected with a conversion groove at the front end of the high manganese steel core rail 5, so that the high manganese steel core rail 5 can rigidly rotate around the pivot 801;
When the high manganese steel core rail 5 is in a straight-strand opening direction of the turnout, the front end of the high manganese steel core rail 5 is closely attached to the right flank rail 2, and meanwhile, the rear end of the high manganese steel core rail 5 is closely attached to the left fork heel switch rail 3, so that the gauge line continuity of the straight-strand direction of the turnout is ensured; when the high manganese steel core rail 5 is in the direction of opening the side strand of the turnout, the front end of the high manganese steel core rail 5 is closely attached to the left wing rail 1, and meanwhile, the rear end of the high manganese steel core rail 5 is closely attached to the right fork and point rail 4, so that the gauge line continuity of the direction of the side strand of the turnout is ensured.
According to the high manganese steel movable point frog structure provided by the embodiment of the application, the groove at the rear end of the high manganese steel point rail 5 is matched with the pivot 801 assembly 8, the groove at the front end is matched with the traction device 9, the high manganese steel point rail 5 is enabled to rotate around the shaft through the traction device 9, and the point rail tip is attached to the wing rail, so that the continuous track gauge line of the movable point rail frog is realized.
Further, the high manganese steel core rail 5 is manufactured by adopting a casting process.
Further, the grooves have a circular groove structure.
Furthermore, two sides of the rear end of the high-manganese steel core rail 5 are respectively in oblique joint transition with the left fork heel switch rail 3 and the right fork heel switch rail 4.
Specifically, the pivot 801 hole is a non-through hole.
Furthermore, the embodiment of the application can also provide a toe end anti-jump spacing iron 6, wherein the toe end anti-jump spacing iron 6 is positioned between the left wing rail 1 and the right wing rail 2 at the front end of the high manganese steel core rail 5; the toe end anti-jump spacer iron 6 is used for limiting the high manganese steel core rail 5 to generate vertical displacement and guaranteeing the frame sizes of the left wing rail 1 and the right wing rail 2.
A heel anti-jump spacer iron 7, wherein the heel anti-jump spacer iron 7 is positioned between the left side fork heel switch rail 3 and the right side fork heel switch rail 4 at the rear end of the high manganese steel core rail 5; the heel-end anti-jump spacer iron 7 is used for ensuring that the left side fork heel switch rail 3 or the right side fork heel switch rail 4 is closely attached to the heel end of the high-manganese steel core rail 5.
And anti-jump spacing irons are respectively arranged between the wing rail and between the fork heel switch rail to limit the longitudinal displacement of the high manganese steel switch rail 5, so that the integral frame of the movable switch rail frog is ensured.
The following describes the structure of the high manganese steel movable frog provided by the embodiment of the application in detail.
The frog may comprise a left side wing rail 1, a right side wing rail 2, a left side fork heel switch rail 3, a right side fork heel switch rail 4, a high manganese steel switch rail 5, a toe end anti-jump spacer iron 6, a heel end anti-jump spacer iron 7, a pivot 801 assembly 8, a traction device 9, the pivot 801 assembly 8 comprising a pivot 801 and an iron shim plate 802.
The toe end anti-jump spacer iron 6 is positioned at the front end of the high manganese steel core rail 5; the heel end anti-jump spacer iron 7 is positioned at the rear end of the high manganese steel core rail 5; the pivot 801 in the pivot 801 assembly 8 mates with the pivot 801 aperture in the iron pad 802; the groove at the heel end of the high manganese steel core rail 5 is matched with a pivot 801 in the pivot 801 assembly 8; the traction device 9 is matched with a conversion groove at the front end of the high manganese steel core rail 5, so that the high manganese steel core rail 5 can rigidly rotate around the pivot 801.
When the turnout is opened in the straight-strand direction, the front end of the high manganese steel core rail 5 is closely attached to the right flank rail 2, and the rear end of the high manganese steel core rail is closely attached to the left fork and the tongue rail 3, so that the track gauge line continuity of the turnout in the straight-strand direction is ensured; when the high manganese steel core rail 5 is in the direction of opening the side strand of the turnout, the front end is closely contacted with the left flank rail 1, and the rear end is closely contacted with the right fork and the switch rail 4, so that the continuity of the gauge line in the direction of the turnout side strand is ensured. In order to prevent the high manganese steel core rail 5 from generating vertical displacement when the wheels pass through the frog, toe anti-jump spacing iron 6 and heel anti-jump spacing iron 7 are arranged at the front end and the rear end of the high manganese steel core rail 5, the toe anti-jump spacing iron 6 ensures the frame size of the left flank rail 1 and the right flank rail 2 while limiting the vertical displacement of the high manganese steel core rail 5, and the heel anti-jump spacing iron 7 ensures that the left fork heel point rail 3 or the right fork heel point rail 4 is closely attached to the heel end of the high manganese steel core rail 5.
In a word, the high manganese steel movable frog structure provided by the application has the advantages that the rear end of the high manganese steel frog is matched with the pivot, and the front end of the high manganese steel frog is matched with the traction device, so that the frog can rotate around the pivot. Compared with the existing movable core structure, the structure has small longitudinal occupied space, eliminates the harmful space in the frog, and reduces the irregularity of the transition between the wing rail and the point rail; the core rail rotates around the pivot rigidly, the traction force is small, and the pulling is more flexible. The heel end of the rail is in oblique contact transition with the fork heel rail, so that the rail can be replaced conveniently; the characteristics of high extensibility and high impact toughness of the high manganese steel material are fully utilized, the service life of the frog is prolonged, and the high manganese steel frog can be used for heavy-load circuits.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.
Claims (7)
1. The high manganese steel movable frog structure is characterized by comprising a left wing rail, a right wing rail, a left fork heel switch rail, a right fork heel switch rail, a high manganese steel core rail, a pivot assembly and a traction device; the pivot assembly comprises a pivot and an iron backing plate;
The pivot is matched with a pivot hole on the iron base plate; the groove at the heel end of the high-manganese steel core rail is mutually matched and connected with the pivot; the traction device is mutually matched and connected with the conversion groove at the front end of the high-manganese steel core rail, so that the high-manganese steel core rail can rigidly rotate around the pivot;
When the high manganese steel point rail is in the straight-strand opening direction of the turnout, the front end of the high manganese steel point rail is closely attached to the right flank rail, and meanwhile, the rear end of the high manganese steel point rail is closely attached to the left fork and the switch rail, so that the track gauge line continuity of the straight-strand direction of the turnout is ensured; when the high manganese steel point rail is in the direction of opening side strands of the turnout, the front end of the high manganese steel point rail is closely attached to the left flank rail, and meanwhile, the rear end of the high manganese steel point rail is closely attached to the right side fork and the switch rail, so that the track gauge line continuity of the direction of the side strands of the turnout is ensured.
2. The high manganese steel movable point frog structure according to claim 1, wherein said high manganese steel core rail is machined by a casting process.
3. The high manganese steel movable frog structure as defined in claim 1 wherein said grooves have a circular groove configuration.
4. The movable high manganese steel frog structure according to claim 1, wherein both sides of the rear end of said high manganese steel rail are respectively in slant contact transition with said left side fork heel rail and said right side fork heel rail.
5. The high manganese steel movable frog structure as defined in claim 1 wherein said pivot bore is a non-through bore.
6. The high manganese steel movable point frog structure according to claim 1, further comprising toe anti-bounce spacer iron located between said left side wing rail and said right side wing rail of said high manganese steel core rail front end; the toe end anti-jump spacer iron is used for limiting the high manganese steel core rail to generate vertical displacement and guaranteeing the frame sizes of the left wing rail and the right wing rail.
7. The high manganese steel movable switch structure of claim 1, further comprising a heel end anti-bounce spacer iron located between the left side fork heel rail and the right side fork heel rail of the high manganese steel core rail rear end; the heel end anti-jump spacer iron is used for ensuring that the left side fork heel switch rail or the right side fork heel switch rail is closely attached to the heel end of the high-manganese steel core rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322770205.5U CN221297442U (en) | 2023-10-16 | 2023-10-16 | High manganese steel movable point frog structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322770205.5U CN221297442U (en) | 2023-10-16 | 2023-10-16 | High manganese steel movable point frog structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221297442U true CN221297442U (en) | 2024-07-09 |
Family
ID=91753391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322770205.5U Active CN221297442U (en) | 2023-10-16 | 2023-10-16 | High manganese steel movable point frog structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221297442U (en) |
-
2023
- 2023-10-16 CN CN202322770205.5U patent/CN221297442U/en active Active
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