CN221159276U - High manganese steel combined frog rail mouth expander - Google Patents
High manganese steel combined frog rail mouth expander Download PDFInfo
- Publication number
- CN221159276U CN221159276U CN202322789604.6U CN202322789604U CN221159276U CN 221159276 U CN221159276 U CN 221159276U CN 202322789604 U CN202322789604 U CN 202322789604U CN 221159276 U CN221159276 U CN 221159276U
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- screw rod
- handed
- high manganese
- manganese steel
- internal thread
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- 229910000617 Mangalloy Inorganic materials 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 241000251468 Actinopterygii Species 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 35
- 229910052742 iron Inorganic materials 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The high manganese steel combined frog steel rail mouth expander comprises a nut post, wherein left half part in a nut post hole is provided with left-handed trapezoid internal threads; right-handed trapezoidal internal threads are formed in the right half part of the nut column hole; the left-handed trapezoidal internal thread and the right-handed trapezoidal internal thread are equal in size; the left-handed trapezoid internal thread is screwed and is matched with a left lead screw; right-handed trapezoidal internal threads are screwed and are matched with right lead screws; the left screw rod and the right screw rod are symmetrically and synchronously arranged in the nut column; the outer sides of the left screw rod and the right screw rod are respectively fixedly provided with an anti-rotation baffle plate; the anti-rotation baffle is propped against the lower jaw of the fish tail of the high manganese steel combined frog steel rail, and plays a role in preventing the left screw rod and the right screw rod from rotating. The assembly of the utility model is time-saving and labor-saving in operation, the whole process does not damage the steel rail paint surface, the assembly of the spacing iron is relatively easy and labor-saving, and the screw transmission has a self-locking function, so that the whole operation can be completed by one person, and the assembly is safe, efficient and reliable.
Description
Technical Field
The utility model belongs to the technical field of supporting devices, and particularly relates to a high manganese steel combined frog steel rail mouth opening supporting device.
Background
Railway frog is a plane crossing device for rail road which makes the train wheels change from one road to another, and as the railway progresses to heavy load and high speed, higher requirements are put on the frog. In recent years, a novel reinforced combined frog with a single-piece combination of a center rail and a wing rail is designed, and railway operation under different use conditions is met in a differentiated mode, so that the frog has the advantages of wear resistance, smoothness, heavy load, online replacement, energy conservation, environmental friendliness and the like. When the combined frog is assembled in the field, the herringbone points of the center rail and the wing rails at the two sides are required to be assembled together, and after the bolts at the positions of the center rail are tightened without problems, the spacing iron in the openings at the two sides of the frog is assembled to ensure that the opening size of the frog meets the drawing requirement.
When the existing frog is assembled in a factory, after the herringbone tip of the center rail and the steel rail bolts of the wing rail are screwed, the spacing iron is driven into the proper positions from the two ends of the opening through manual knocking, as the frog angle is arranged at the position of the steel rail, the contact spacing iron part is in a wedge shape, the steel rail has certain elasticity, the resistance to the knocking spacing iron is generated, the knocking spacing iron is not easy to enter, after the strength reaches a certain degree, the spacing iron can be popped out, the operator is in danger, friction damage is caused to the paint surface of the assembly surface, and the assembly efficiency and the personal safety are seriously influenced.
Thus, the existing combined frog assembly has the following problems: the assembly is time-consuming and laborious, damages the assembly surface, influences personal safety. In this regard, the following technical solutions are now proposed.
Disclosure of utility model
The utility model solves the technical problems that: the high manganese steel combined frog steel rail mouth gag solves the technical problems that the assembly of a combined frog is time-consuming and labor-consuming, the assembly surface is easy to damage, and the personal safety is affected.
The utility model adopts the technical scheme that: the high manganese steel combined frog steel rail mouth expander comprises a nut column, wherein left half part in a nut column hole is provided with left-handed trapezoid internal threads; right-handed trapezoidal internal threads are formed in the right half part of the nut column hole; the left-handed trapezoidal internal thread and the right-handed trapezoidal internal thread are equal in size; the left-handed trapezoid internal thread is screwed and is matched with a left lead screw; right-handed trapezoidal internal threads are screwed and are matched with right lead screws; the left screw rod and the right screw rod are symmetrically and synchronously arranged in the nut column; the outer sides of the left screw rod and the right screw rod are respectively fixedly provided with an anti-rotation baffle plate; the anti-rotation baffle is propped against the lower jaw of the fish tail of the high manganese steel combined frog steel rail, and plays a role in preventing the left screw rod and the right screw rod from rotating.
In the above technical solution, further: the middle transition area of the left-handed trapezoid internal thread and the right-handed trapezoid internal thread of the nut column is provided with a section of tool retracting groove.
In the above technical solution, it is preferable that: the anti-rotation baffle is welded and fixedly connected with the outer side end of the left screw rod and the outer side end of the right screw rod into a whole.
In the above technical solution, further: the anti-rotation baffle plate consists of a vertical part and a bending part which are integrally formed; the vertical part is provided with a welding hole; the anti-rotation baffle plate is fixedly connected with the outer side end of the left screw rod and the outer side end of the right screw rod through welding holes; and the bending part is avoided and is fit with the high manganese steel combined frog steel rail fish tail jaw, and the bottom end of the bending part is propped against the high manganese steel combined frog steel rail fish tail jaw.
Compared with the prior art, the utility model has the advantages that:
1. According to the utility model, the nut column is rotated by using the spanner, the left and right screw rods matched with the nut column are symmetrically translated and spread towards two axial sides, so that the aim of spreading the steel rail is fulfilled, at the moment, the spacer iron can be easily put into a designated position and fastened by penetrating the bolt, the whole assembly process of the spacer iron does not take effort, and the paint surface is not damaged; the trapezoidal threads are adopted, so that the driving torque is large; the thread transmission has a self-locking function, and even if the external force disappears, the opened steel rail can not rebound under the action of stress; the labor is saved, the operation is firm and reliable, all operations can be completed by one person, and the personal safety is ensured.
2. The assembly of the utility model is time-saving and labor-saving in operation, the whole process does not damage the steel rail paint surface, the assembly of the spacing iron is relatively easy and labor-saving, and the screw transmission has a self-locking function, so that the whole operation can be completed by one person, and the assembly is safe, efficient and reliable.
Drawings
FIG. 1 is an axial side view of a stent of the present utility model;
FIG. 2 is a front view of the stent of the present utility model;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view B-B of FIG. 2;
FIG. 6 is a schematic diagram of the steps for positioning the stent;
FIG. 7 is a top view of the work of the stent;
FIG. 8 is a side view of the working shaft of the stent;
In the figure: 1-nut column, 2-left screw, 3-right screw, 4-anti-rotation baffle; 401-vertical part, 402-bending part, 5-standard rail to be spread, 6-spacer iron to be assembled and 7-high-strength bolt.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 8 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The high manganese steel combined frog steel rail mouth gag (shown in figure 1) comprises a nut post 1, wherein left-hand trapezoidal internal threads are formed in the left half part of the hole of the nut post 1 (shown in figure 5); right-handed trapezoidal internal threads are formed in the right half part of the hole of the nut column 1; the left-handed trapezoidal internal thread and the right-handed trapezoidal internal thread are equal in size; the left-handed trapezoidal internal thread is screwed and is matched with the left lead screw 2; the right-handed trapezoid internal thread is screwed and is matched with the right screw rod 3; the left lead screw 2 and the right lead screw 3 are symmetrically and synchronously arranged in the nut column 1; therefore, when the nut column 1 is screwed, the left and right lead screws can synchronously displace inwards or outwards. Anti-rotation baffle plates 4 are fixedly arranged on the outer sides of the left screw rod 2 and the right screw rod 3 respectively; the anti-rotation baffle 4 is abutted against the lower jaw of the tail of the high manganese steel combined frog steel rail, and plays a role in preventing the left screw rod 2 and the right screw rod 3 from rotating.
In the above embodiment, further: and a section of tool withdrawal groove is formed in the middle transition area of the left-handed trapezoid internal thread and the right-handed trapezoid internal thread of the nut column 1. The setting of tool withdrawal groove, aim at guarantees that the internal thread can process in place, guarantees moreover that the terminal surface of adjacent part can lean on the centering in the assembly.
In the above embodiment, it is preferable that: the anti-rotation baffle 4 is fixedly connected with the outer side ends of the left screw rod 2 and the right screw rod 3 into a whole in a welding way. Adopt welded fastening mode, simple structure realizes easily, connects reliably.
In the above embodiment, further: the anti-rotation baffle 4 (as shown in fig. 6) is composed of an integrally formed vertical portion 401 and a curved portion 402; the vertical part 401 is provided with a welding hole; the welding holes are assembled with the left screw rod and the right screw rod and fixedly connected into a whole by welding, namely, the anti-rotation baffle 4 is fixedly connected with the outer side ends of the left screw rod 2 and the right screw rod 3 by welding through the welding holes. The bending part 402 is avoided and is fit with the high manganese steel combined frog steel rail fish tail chin, and the bottom end of the bending part 402 is abutted against the high manganese steel combined frog steel rail fish tail chin, so that the rotation of the left screw rod and the right screw rod is limited.
The application method of the high manganese steel combined frog steel rail mouth gag disclosed by the utility model (shown in figure 1) comprises the following application steps:
S001, positioning a mouth opening device: and positioning the mouth opening device at the position of the joint bolt hole of the standard rail 5 to be opened by utilizing the axisymmetric rail joint bolt hole (shown in figure 6) drilled by the high manganese steel combined frog rail. The high manganese steel combined frog rail mouth gag is positioned at the rail joint bolt holes of the axisymmetric standard rail 5 to be propped, and the anti-rotation baffle 4 of the high manganese steel combined frog rail mouth gag is propped against the lower jaw of the high manganese steel combined frog rail tail of the standard rail 5 to be propped, so that the effect of preventing the left lead screw 2 and the right lead screw 3 in the high manganese steel combined frog rail mouth gag from rotating is achieved, and the positioning of the mouth gag is completed at the moment.
S002, rotating the opening supporting device: the nut column 1 in the high manganese steel combined frog rail mouth gag as shown in fig. 1 is rotated by using a wrench. The structure of the nut post corresponds to a nut with an extended axial length. The nut column is screwed by using a wrench, so that the redundant structure of the nut column is removed, the structure is simple, the manufacture is easy, and the screwing of the nut column 1 is labor-saving.
S003, expanding steel rail: the left and right screw shafts which are matched with the nut column 1 in a rotating way are axially and horizontally extended outwards in a symmetrical way, so that the aim of expanding the heel end of the steel rail of the high manganese steel combined frog is fulfilled. Namely, the left and right lead screws are moved outwards through reverse double-thread transmission.
S004, assembling a spacer: when the toe heel end of the high manganese steel combined frog rail reaches the required opening degree, the spacing iron 6 to be assembled is easily placed into the rail web space of the opened high manganese steel combined frog rail to a specified position, and the spacing iron is fastened by bolts, namely the high-strength bolts 7, so that the assembly of the spacing iron is completed. The process is free of danger, easy and labor-saving, and convenient to position.
S005, dismantling the opening supporting device: after the assembly of the spacer iron is completed, the nut column 1 is reversely rotated by using a wrench, and the left and right screw rods are axially and inwards translated and retracted until the whole high manganese steel combined frog rail mouth gag can be easily taken out, so that all operations are completed.
From the above description it can be found that: according to the utility model, the nut column is rotated by using the spanner, the left and right screw rods matched with the nut column are symmetrically translated and spread towards two axial sides, so that the aim of spreading the steel rail is fulfilled, at the moment, the spacer iron can be easily put into a designated position and fastened by penetrating the high-strength bolt 7, the whole process of assembling the spacer iron does not take effort, and the paint surface is not damaged; the trapezoidal threads are adopted, so that the driving torque is large; the thread transmission has a self-locking function, and even if the external force disappears, the opened steel rail can not rebound under the action of stress; the labor is saved, the operation is firm and reliable, all operations can be completed by one person, and the personal safety is ensured.
Moreover, the assembly of the utility model is time-saving and labor-saving in operation, the whole process does not damage the painted surface of the steel rail, the assembly of the spacing iron is relatively easy and labor-saving, and the screw transmission has a self-locking function, so that the whole operation can be completed by one person, and the assembly is safe, efficient and reliable.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
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 (4)
1. A high manganese steel combined frog steel rail mouth expander is characterized in that: the nut comprises a nut column (1), wherein left half part in a hole of the nut column (1) is provided with left-handed trapezoid internal threads; right-handed trapezoidal internal threads are formed in the right half part of the hole of the nut column (1); the left-handed trapezoidal internal thread and the right-handed trapezoidal internal thread are equal in size; the left-handed trapezoid internal thread is screwed and is matched with a left lead screw (2); the right-handed trapezoid internal thread is screwed and is matched with a right lead screw (3); the left screw rod (2) and the right screw rod (3) are symmetrically and synchronously arranged in the nut column (1); anti-rotation baffle plates (4) are fixedly arranged on the outer sides of the left lead screw (2) and the right lead screw (3) respectively; the anti-rotation baffle (4) is abutted against the lower jaw of the fish tail of the high manganese steel combined frog steel rail, and plays a role in preventing the left screw rod (2) and the right screw rod (3) from rotating.
2. The high manganese steel composite frog rail mouth gag according to claim 1, wherein: a section of tool withdrawal groove is formed in the middle transition area of the left-handed trapezoid internal thread and the right-handed trapezoid internal thread of the nut column (1).
3. The high manganese steel composite frog rail mouth gag according to claim 1, wherein: the anti-rotation baffle (4) is welded and fixedly connected with the outer side ends of the left screw rod (2) and the right screw rod (3) into a whole.
4. A high manganese steel composite frog rail anchor as claimed in claim 1 or 3, wherein: the anti-rotation baffle (4) consists of an integrally formed vertical part (401) and a bending part (402); the vertical part (401) is provided with a welding hole; the anti-rotation baffle plate (4) is fixedly connected with the outer side ends of the left screw rod (2) and the right screw rod (3) through welding holes; the bending part (402) is avoided and is fit with the fishtail jaw of the high manganese steel combined frog steel rail, and the bottom end of the bending part (402) is abutted against the fishtail jaw of the high manganese steel combined frog steel rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322789604.6U CN221159276U (en) | 2023-10-18 | 2023-10-18 | High manganese steel combined frog rail mouth expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322789604.6U CN221159276U (en) | 2023-10-18 | 2023-10-18 | High manganese steel combined frog rail mouth expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221159276U true CN221159276U (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322789604.6U Active CN221159276U (en) | 2023-10-18 | 2023-10-18 | High manganese steel combined frog rail mouth expander |
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| Country | Link |
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| CN (1) | CN221159276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324934A (en) * | 2023-10-18 | 2024-01-02 | 中铁宝桥集团有限公司 | High manganese steel combined frog steel rail mouth expander and use method thereof |
-
2023
- 2023-10-18 CN CN202322789604.6U patent/CN221159276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324934A (en) * | 2023-10-18 | 2024-01-02 | 中铁宝桥集团有限公司 | High manganese steel combined frog steel rail mouth expander and use method thereof |
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