CN220564972U - Track fastener - Google Patents
Track fastener Download PDFInfo
- Publication number
- CN220564972U CN220564972U CN202320005736.2U CN202320005736U CN220564972U CN 220564972 U CN220564972 U CN 220564972U CN 202320005736 U CN202320005736 U CN 202320005736U CN 220564972 U CN220564972 U CN 220564972U
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- CN
- China
- Prior art keywords
- rail
- base plate
- plate
- iron
- backing plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 118
- 229910052742 iron Inorganic materials 0.000 claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000007853 buffer solution Substances 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 241001669679 Eleotris Species 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000002222 downregulating effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Railway Tracks (AREA)
Abstract
The utility model provides a track fastener, comprising: the device comprises an elastic strip assembly, a bolt assembly, an iron base plate, a rail lower elastic base plate, a rail lower heightening base plate, at least one plate lower heightening base plate and an insulating buffer base plate; the lower rail elastic backing plate is arranged at the bottom end of the steel rail, and the lower rail height-adjusting backing plate is arranged at the bottom end of the lower rail elastic backing plate; the elastic strip assembly is arranged on the iron backing plate, and the steel rail, the elastic backing plate under the rail and the backing plate with the height adjusted downwards under the rail are buckled and fixed on the iron backing plate; the at least one plate lower heightening base plate is arranged at the bottom end of the iron base plate, the insulating buffer base plate is arranged at the bottom end of the plate lower heightening base plate, and the iron base plate, the plate lower heightening base plate and the insulating buffer base plate are fixed on the sleeper through bolt assemblies. The rail fastener can be applied to the urban railway.
Description
Technical Field
The application relates to the technical field of rail transit, in particular to a rail fastener.
Background
The rail fastener is one of core components of railway track engineering, can keep the reliable connection of the steel rail and the foundation under the rail, prevent the longitudinal and transverse movement of the steel rail, prevent the steel rail from tipping, and provide certain elasticity for a track structure.
For urban railway track fasteners, special vibration reduction and environmental protection requirements are met, so that national railway track design cannot be carried; and the requirements of safety and reliability of the track structure under the condition of relatively high-speed operation are also required to be ensured, so that the design of the urban rail transit system cannot be carried as intended. In addition, the urban railway curve section is longer, the small-radius curves are more, the requirement of larger transverse fatigue load effect needs to be met, and the common subway fastener cannot meet the requirement of being applied to the urban railway line.
Disclosure of Invention
In view of this, the present utility model provides a track fastener that can be adapted to a urban railway track.
The technical scheme of the utility model is realized specifically as follows:
a track fastener, comprising: the device comprises an elastic strip assembly, a bolt assembly, an iron base plate, a rail lower elastic base plate, a rail lower heightening base plate, at least one plate lower heightening base plate and an insulating buffer base plate;
the lower rail elastic backing plate is arranged at the bottom end of the steel rail, and the lower rail height-adjusting backing plate is arranged at the bottom end of the lower rail elastic backing plate;
the elastic strip assembly is arranged on the iron backing plate, and the steel rail, the elastic backing plate under the rail and the backing plate with the height adjusted downwards under the rail are buckled and fixed on the iron backing plate;
the at least one plate lower heightening base plate is arranged at the bottom end of the iron base plate, the insulating buffer base plate is arranged at the bottom end of the plate lower heightening base plate, and the iron base plate, the plate lower heightening base plate and the insulating buffer base plate are fixed on the sleeper through bolt assemblies.
Preferably, the spring bar assembly further comprises a T-shaped bolt, a nut and a spring bar; the bottom of T type bolt sets up on the iron backing plate, and its top passes the bullet strip to with nut threaded connection.
Preferably, the bolt assembly further comprises: an anchor bolt, a gasket assembly and a distance adjusting buckle plate;
the lower part of the anchor bolt sequentially passes through the gasket assembly, the distance adjusting buckle plate, the iron base plate, the rail down-regulating base plate and the insulating buffer base plate and is connected with the sleeper in an anchoring manner.
Preferably, the upper surface of the iron backing plate is provided with two pairs of iron seats for installing the spring strip assembly; the outer sides of the iron seats are respectively provided with a straight hole for installing the bolt component; limiting blocks for limiting the bolt assembly are respectively arranged on the front side and the rear side of the straight hole; and a pair of limiting bosses for limiting the elastic backing plate under the rail and the heightening backing plate under the rail are respectively arranged on the front side and the rear side of each pair of iron seats.
Preferably, a clamping groove for installing the T-shaped bolt is arranged between each pair of iron seats.
Preferably, the top surface of the iron seat is provided with an arc-shaped groove for installing the elastic strip.
Preferably, the left side and the right side of the rail lower heightening base plate are respectively provided with at least one lug, and the side surfaces of the lugs are abutted with the front side surfaces of the limiting bosses on the iron base plate.
Preferably, the elastic pad plate under the rail is arranged above the pad plate under the rail and is positioned between two pairs of limit bosses on the iron pad plate, four corners of the elastic pad plate under the rail are respectively provided with a flange, and the outer side surfaces of the flanges are in butt joint with the limit bosses.
Preferably, the front end and the rear end of the rail lower elastic backing plate are respectively provided with a bending part which bends downwards, and the inner side surfaces of the bending parts are abutted on the front side surface and the rear side surface of the iron backing plate.
As can be seen from the above, in the rail fastening according to the present utility model, since the under-rail elastic pad and the insulating cushion pad are provided, the rigidity and damping parameters of the rail fastening can be optimized, thereby making the rail fastening suitable for use in urban railways.
Drawings
Fig. 1 is a schematic structural view of a track fastener according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of an iron pad according to an embodiment of the present utility model.
Fig. 3 is a top view of a rail down-regulating shim plate in accordance with an embodiment of the present utility model.
Fig. 4 is a schematic view showing installation of the rail down-regulating shim plate in the embodiment of the present utility model.
Fig. 5 is a top view of an under-rail spring tie plate in an embodiment of the utility model.
Fig. 6 is a side view of an under-rail resilient pad in an embodiment of the utility model.
Fig. 7 is a schematic view showing the installation of the under-rail resilient pad in the embodiment of the present utility model.
Detailed Description
In order to make the technical scheme and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present utility model provides a rail fastener, comprising: the spring strip assembly 1, the bolt assembly 2, the iron base plate 7, the rail lower elastic base plate 5, the rail lower heightening base plate 6, at least one plate lower heightening base plate 8 and the insulating buffer base plate 9;
the rail lower elastic backing plate 5 is arranged at the bottom end of the steel rail 4, and the rail lower heightening backing plate 6 is arranged at the bottom end of the rail lower elastic backing plate 5;
the elastic strip assembly 1 is arranged on an iron base plate 7, and a steel rail 4, a lower rail elastic base plate 5 and a lower rail height-adjusting base plate 6 are buckled and fixed on the iron base plate 7;
the at least one plate down-regulating base plate 8 is arranged at the bottom end of the iron base plate 7, the insulating buffer base plate 9 is arranged at the bottom end of the plate down-regulating base plate 8, and the iron base plate 7, the plate down-regulating base plate 8 and the insulating buffer base plate 9 are fixed on the sleeper 100 through the bolt assemblies 2.
In the technical scheme of the utility model, the rigidity and damping parameters of the track fastener can be optimized by arranging the elastic pad 5 under the track and the insulating buffer pad 9, so that the track fastener is suitable for the working condition of a railway in the market; further, the iron base plate 7, the plate down-regulating base plate 8 and the insulating buffer base plate 9 are fixed on the sleeper through the bolt assemblies 2, so that the stability of the track fastener chassis is guaranteed, the steel rail is buckled and fixed through the elastic strip assemblies 1, the stability of the steel rail is guaranteed, the requirement of the large transverse fatigue load action of the urban railway can be met, and the stability of the train when passing through the curve section can be guaranteed. In addition, through setting up bullet strip subassembly 1 on the iron backing plate, can realize that the fixed of iron backing plate (fixed through the bolt subassembly) and the fixed of rail (fixed through bullet strip subassembly) do not interfere with each other to can be according to actual need, when setting up rail down height-adjusting backing plate 6 under the rail, only need not loosen the bullet strip subassembly, and need not loosen the bolt subassembly, only need not loosen the bolt subassembly when needs add to establish board down height-adjusting backing plate 8, thereby can prevent that the bolt subassembly from being frequently become flexible, improve the overall stability and the life of track fastener, convenient construction and maintenance.
In the technical scheme of the utility model, the rail fastener can be realized by using various realization methods. The following describes in detail the technical solution of the present utility model by taking one implementation manner as an example.
For example, in one embodiment of the present utility model, as shown in fig. 1, the spring bar assembly 1 may further include a T-bolt 11, a nut 12, and a spring bar 13; the bottom end of the T-shaped bolt 11 is arranged on the iron backing plate 7, the top end of the T-shaped bolt passes through the elastic strip 13 and is in threaded connection with the nut, so that the elastic strip 13 can be tightly pressed by screwing the nut 12, and the elastic strip 13 can be further used for tightly pressing and fixing the steel rail 4, the under-rail elastic backing plate 5 and the under-rail height-adjusting backing plate 6.
For another example, in one embodiment of the present utility model, as shown in fig. 1, the bolt assembly 2 may further include: an anchor bolt 21, a washer assembly 23 and a pitch buckle 22;
the lower part of the anchor bolt 21 sequentially passes through a gasket assembly 23, a distance adjusting buckle plate 22, an iron base plate 7, a rail down-height adjusting base plate 8 and an insulating buffer base plate 9, and is in anchor connection with the sleeper 100.
Furthermore, in one embodiment of the present utility model, as shown in fig. 2, the upper surface of the iron pad 7 has two pairs of iron seats 71 for mounting the spring bar assembly 1; the outer sides of the iron seats are respectively provided with a straight hole 73 for installing the bolt assembly 2; limiting blocks 74 for limiting the bolt assembly 2 are respectively arranged on the front side and the rear side of the straight hole 73; a pair of limiting bosses 72 for limiting the rail lower elastic backing plate 5 and the rail lower heightening backing plate 6 are respectively arranged on the front side and the rear side of each pair of iron seats 71.
Preferably, in one embodiment of the present utility model, as shown in fig. 2, a clamping groove 711 for installing the T-shaped bolt 11 is provided between each pair of iron seats 71, so that the bottom end of the T-shaped bolt 11 can be clamped in the clamping groove 711 and embedded into the iron seats, thereby restricting the upward movement of the T-shaped bolt 11 and preventing the steel rail from tipping under transverse load.
Preferably, in an embodiment of the present utility model, the top surface of the iron seat 71 is provided with an arc-shaped groove 712 for installing the spring strip 13, so that the spring strip 13 is disposed in the arc-shaped groove 712, which plays a role in limiting the spring strip 13, and ensures the reliability of fixing the spring strip 13.
In addition, in a specific embodiment of the present utility model, as shown in fig. 3 and 4, the left and right sides of the rail-lowering high pad 6 may have at least one protrusion 61, and the sides of the protrusion 61 abut against the front sides of the limiting boss 72 on the iron pad 7, so that the rail-lowering high pad 6 may be limited between two pairs of limiting bosses 72 by using the limiting boss 72 and the protrusion 61, and the rail-lowering high pad 6 is prevented from sliding.
In addition, as an example, in a preferred embodiment of the present utility model, as shown in fig. 5 to 7, the rail-down elastic pad 5 is disposed above the rail-down height-adjusting pad 6 and between two pairs of limiting bosses 72 on the iron pad, and four corners of the rail-down elastic pad 5 are respectively provided with a flange 51, and outer sides of the flanges 51 abut against the limiting bosses 72, so that the rail-down elastic pad 5 can be limited by the limiting bosses 72 in a lateral direction (the lateral direction refers to the left-right direction in fig. 7), preventing the rail-down elastic pad 5 from being laterally displaced, and ensuring the stability of the structure.
In addition, in a specific embodiment of the present utility model, the front and rear ends of the rail lower elastic pad 5 are respectively provided with a bending portion 52 that bends downward, and the inner side surfaces of the bending portions 52 abut against the front and rear side surfaces of the iron pad 7, so that the rail lower elastic pad 5 can be longitudinally (longitudinally refers to the up-down direction in fig. 7) limited, and the rail lower elastic pad 5 is prevented from being longitudinally displaced.
In summary, in the technical scheme of the utility model, the rigidity and damping parameters of the track fastener can be optimized due to the arrangement of the under-rail elastic cushion plate and the insulating buffer cushion plate, so that the track fastener can be suitable for a city railway. Further, the iron base plate, the plate lower heightening base plate and the insulating buffer base plate are fixed on the sleeper through the bolt assemblies, so that the stability of the rail fastener chassis is guaranteed, the steel rail is buckled and fixed through the elastic strip assemblies, the stability of the steel rail is guaranteed, the requirement of large transverse fatigue load action of a urban railway can be met, and the stability of a train passing through a curve section can be guaranteed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (4)
1. A track fastener, comprising: the device comprises an elastic strip assembly, a bolt assembly, an iron base plate, a rail lower elastic base plate, a rail lower heightening base plate, at least one plate lower heightening base plate and an insulating buffer base plate;
the lower rail elastic backing plate is arranged at the bottom end of the steel rail, and the lower rail height-adjusting backing plate is arranged at the bottom end of the lower rail elastic backing plate;
the elastic strip assembly is arranged on the iron backing plate, and the steel rail, the elastic backing plate under the rail and the backing plate with the height adjusted downwards under the rail are buckled and fixed on the iron backing plate;
the at least one plate lower heightening base plate is arranged at the bottom end of the iron base plate, the insulating buffer base plate is arranged at the bottom end of the plate lower heightening base plate, and the iron base plate, the plate lower heightening base plate and the insulating buffer base plate are fixed on the sleeper through bolt assemblies;
the spring strip assembly further comprises a T-shaped bolt, a nut and a spring strip; the bottom end of the T-shaped bolt is arranged on the iron backing plate, and the top end of the T-shaped bolt penetrates through the elastic strip and is in threaded connection with the nut;
the upper surface of the iron backing plate is provided with two pairs of iron seats for installing spring strip components; the outer sides of the iron seats are respectively provided with a straight hole for installing the bolt component; limiting blocks for limiting the bolt assembly are respectively arranged on the front side and the rear side of the straight hole; a pair of limiting bosses for limiting the elastic backing plate under the rail and the heightening backing plate under the rail are respectively arranged on the front side and the rear side of each pair of iron seats;
a clamping groove for installing a T-shaped bolt is arranged between each pair of iron seats;
at least one lug is arranged on the left side and the right side of the rail lower heightening base plate respectively, and the side surface of the lug is abutted with the front side surface of the limit boss on the iron base plate;
the rail lower elastic backing plate is arranged above the rail lower heightening backing plate and is positioned between two pairs of limiting bosses on the iron backing plate, four corners of the rail lower elastic backing plate are respectively provided with a flange, and the outer side surfaces of the flanges are in butt joint with the limiting bosses.
2. The track fastener of claim 1, said bolt assembly further comprising: an anchor bolt, a gasket assembly and a distance adjusting buckle plate;
the lower part of the anchor bolt sequentially passes through the gasket assembly, the distance adjusting buckle plate, the iron base plate, the rail down-regulating base plate and the insulating buffer base plate and is connected with the sleeper in an anchoring manner.
3. The track fastener of claim 1, wherein the top surface of the iron base is provided with an arcuate recess for mounting a spring strip.
4. The track fastener according to claim 1, wherein the front and rear ends of the under-track elastic pad are respectively provided with a bending part bending downwards, and inner side surfaces of the bending parts are abutted against the front and rear side surfaces of the iron pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320005736.2U CN220564972U (en) | 2023-01-03 | 2023-01-03 | Track fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320005736.2U CN220564972U (en) | 2023-01-03 | 2023-01-03 | Track fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220564972U true CN220564972U (en) | 2024-03-08 |
Family
ID=90102044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320005736.2U Active CN220564972U (en) | 2023-01-03 | 2023-01-03 | Track fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220564972U (en) |
-
2023
- 2023-01-03 CN CN202320005736.2U patent/CN220564972U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |