CN220364807U - Rail joint connection structure - Google Patents
Rail joint connection structure Download PDFInfo
- Publication number
- CN220364807U CN220364807U CN202321692003.7U CN202321692003U CN220364807U CN 220364807 U CN220364807 U CN 220364807U CN 202321692003 U CN202321692003 U CN 202321692003U CN 220364807 U CN220364807 U CN 220364807U
- Authority
- CN
- China
- Prior art keywords
- rail
- track
- plate body
- joint connection
- connection structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000035939 shock Effects 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 10
- 238000013016 damping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
Landscapes
- Railway Tracks (AREA)
Abstract
The utility model provides a railway rail joint connection structure which comprises a rail, wherein an insulating fishplate is detachably connected to the side part of the rail, the fishplate comprises a plate body, a containing cavity extending along the length direction of a rail is formed in the middle of the plate body, a plug body is filled in the containing cavity, and an installation cavity extending along the length direction of the rail is formed at the joint of the plate body and the rail. The utility model has better connection strength and can be adjusted functionally according to the application.
Description
Technical Field
The utility model relates to the technical field of rail joints of heavy haul railways, in particular to a rail joint connecting structure of a railway.
Background
Heavy haul railways refer to special freight special line railways on which large-axle heavy trucks or trains with extremely large freight traffic can travel, and the sustainable travelling density is high. The rail joint is to connect two rails together by using a fishplate and joint bolts, which often causes irregularity of railway lines, and when a wheel set of a train passes through the rail joint, severe impact is generated due to irregularity of the lines, so that various diseases of the rail joint are formed, and driving safety is affected. The traditional heavy-duty railway rail joint is connected by adopting a mechanical insulation joint, the joint consists of a steel fishplate, a groove type insulation, an insulation pipe, an insulation pad, rail end insulation and joint bolts, the steel fishplate and the rail are insulated by means of high polymer material components such as the groove type insulation, the insulation pipe, the insulation pad and the like, and the insulation components are usually manufactured by adopting nylon materials. In addition, in the traditional heavy-duty railway rail joint connection structure, under the action of high-load dynamic impact force, the metal material fishplate is easy to produce fatigue damage, and when the metal fatigue limit is exceeded, the metal fishplate can be caused to be suddenly broken along the transverse direction, so that the train derailing accident is generated, and the driving safety of a heavy-duty train is seriously influenced.
In order to solve the problems of low strength of insulating materials, poor insulating reliability and the like of the existing heavy haul railway rail insulating joints, the unique advantages of the fiber reinforced resin matrix composite material in light weight, mechanical strength, insulating performance, corrosion resistance, fatigue resistance, damage safety and the like are utilized, and therefore, a novel heavy haul railway rail insulating joint based on the fiber reinforced resin matrix composite material is provided.
In addition, the adaptability of the traditional rail joint connection structure is poor, and functional adjustment cannot be performed according to the use occasions.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a railway rail joint connecting structure which has better connecting strength and can be adjusted in function according to the use situation.
The utility model adopts the following technical scheme.
The utility model provides a railway rail joint connection structure, includes the track, orbital lateral part detachably is connected with insulating fishplate, insulating fishplate includes the plate body, the chamber of holding that extends along orbital long direction has been seted up at the middle part of plate body, hold the intracavity and fill and have the cock body, the junction of plate body and track is formed with along orbital long direction extension's installation cavity.
Further, the installation cavity is arranged on the outer surface of one side, close to the rail, of the plate body, and the transverse profile of the installation cavity is trapezoid.
Further, a conductive plate extending along the length direction of the track is arranged in the mounting cavity, and the conductive plate is tightly attached to the track.
Further, the mounting cavity is internally provided with a shock pad extending along the length direction of the rail, and the shock pad is respectively abutted to the rail and the plate body.
Further, the appearance of cock body has been seted up and has been dodged the chamber, dodge the intracavity and be equipped with optic fibre, dodge chamber and optic fibre and all extend along orbital long direction.
Further, a plurality of mounting holes which are uniformly distributed along the length direction of the rail and can be aligned one by one are respectively penetrated through the rail, the plate body and the plug body, bolts which are used for connecting the rail, the plate body and the plug body into a whole are arranged in the mounting holes, a steel base plate is arranged between the end head of the bolts and the outer side wall of the plate body, and the steel base plate spans across the plurality of mounting holes along the length direction of the rail.
Further, the track is formed by splicing a first section of track and a second section of track end to end, an insulating end plate is arranged at the joint of the first section of track and the second section of track, and the end plate coincides with transverse cutting outlines of the first section of track and the second section of track.
Further, a corner of the top end of the plate body, which is opposite to the track, is a chamfer angle.
The beneficial effects of the utility model are as follows:
the utility model adopts the insulating fishplate, so that the insulating fishplate can be directly connected with the track without adding other insulating parts, the structure is simpler, and the utility model is beneficial to reducing fault points and later maintenance cost. In addition, the plug body is filled in the accommodating cavity of the plate body of the insulating fishplate, so that the overall structural strength of the insulating fishplate is increased, and the connection strength of the steel rail joint connection structure is improved. In addition, the junction of the plate body of insulating fishplate and track is formed with the installation cavity that extends along orbital long direction, in actual use, the installer can add and establish current-conducting plate and/or shock pad according to the use occasion in the installation cavity correspondingly to make rail joint connection structure be applicable to the conductive joint, perhaps satisfy rail joint connection structure's shock-absorbing performance demand, the suitability is better.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic perspective view of one embodiment;
fig. 2 is an enlarged view of a portion a of fig. 1;
FIG. 3 is a schematic cross-sectional view of a second embodiment;
FIG. 4 is a schematic cross-sectional view of a third embodiment;
fig. 5 is a schematic cross-sectional structure of a fourth embodiment.
Reference numerals illustrate:
track 1, first section of track 11, second section of track 12,
the insulating fishplate 2, the mounting cavity 21a,
the plate body 21, the plug body 22,
3 conductive plates, 4 damping pads, 5 optical fibers, 6 bolts and 7 steel backing plates.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the present embodiment, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions.
It will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
The utility model provides a railway rail joint connection structure as shown in figure 1, includes track 1, and track 1's lateral part detachably is connected with insulating fishplate 2, and insulating fishplate 2 includes plate body 21, and the chamber of holding that extends along track 1's long direction is seted up at the middle part of plate body 21, holds the intracavity and fills has cock body 22, and the junction of plate body 21 and track 1 is formed with along track 1's long direction extension's installation cavity 21a.
As an example, the plate body 21 and the plug body 22 of the insulating fishplate 2 are each made of polyurethane resin as a base material, and are made of glass fiber as a reinforcing material and are formed by a pultrusion process.
Specifically, the track 1 is formed by splicing a first section of track 11 and a second section of track 12 end to end, an insulating end plate is arranged at the joint of the first section of track 11 and the second section of track 12, and the end plate coincides with the transverse cutting outline of the first section of track 11 and the second section of track 12. It will be appreciated that the end plates enable the first section of track 11 and the second section of track 12 to be connected in an insulating manner, although a gap is left between the first section of track 11 and the second section of track 12, and insulation between the first section of track 11 and the second section of track 12 is also possible. The rail 1, the plate body 21 and the plug body 22 are respectively penetrated with a plurality of mounting holes which are uniformly distributed along the length direction of the rail 1 and can be aligned one by one, bolts 6 which are used for connecting the rail 1, the plate body 21 and the plug body 22 into a whole are arranged in the mounting holes, steel backing plates 7 are arranged between the ends of the bolts 6 and the outer side walls of the plate body 21, and the steel backing plates 7 span across the plurality of mounting holes along the length direction of the rail 1. It can be understood that the contact area between the bolt 6 and the plate body 21 can be increased by the steel backing plate 7, so that the plate body 21 can be prevented from being worn out by the bolt 6, and the looseness prevention function can be realized.
Preferably, the installation cavity 21a is arranged on the outer surface of one side, close to the track 1, of the plate body 21, so that the installation cavity 21a does not damage the structure of the track 1, the stability of the track 1 in use is guaranteed, and the transverse profile of the installation cavity 21a is trapezoidal.
As an example, as shown in fig. 3, a conductive plate 3 extending in the longitudinal direction of the rail 1 is provided in the mounting chamber 21a, and the conductive plate 3 is closely attached to the rail 1. It can be understood that in actual use, if the rail joint connection structure is required to be connected with the insulating joint, the conductive plate 3 does not need to be additionally arranged in the installation cavity 21 a; if the rail joint connection structure is required to be connected with the conductive joint, the conductive plate 3 is additionally arranged in the installation cavity 21a, so that part of the conductive plate 3 abuts against the first section of track 11, and the rest of the conductive plate 3 abuts against the second section of track 12.
As an example, as shown in fig. 4, a damper 4 extending in the longitudinal direction of the rail 1 is provided in the installation chamber 21a, and the damper 4 abuts against the rail 1 and the plate 21, respectively. It will be appreciated that if it is desired to improve the damping properties of the rail joint connection, the installer may add the damping pad 4 to the mounting cavity 21a.
Of course, the conductive plate 3 and the shock pad 4 can be used together, as shown in fig. 5, the conductive plate 3 and the shock pad 4 are disposed in the mounting cavity 21a, the conductive plate 3 abuts against the track 1, one side of the shock pad 4 abuts against the conductive plate 3, and the other side of the shock pad 4 abuts against the plate 21, so that the rail joint connection structure can be applied to the conductive joint, and the shock absorption performance requirement of the rail joint connection structure is met.
As an example, as shown in fig. 5, the outer surface of the plug body 22 is provided with an avoidance cavity, the avoidance cavity is provided with an optical fiber 5, and the avoidance cavity and the optical fiber 5 extend along the longitudinal direction of the track 1, when in use, if the insulating fishplate 2 is cracked or misplaced, the signal of the optical fiber 5 on the plug body 22 will be changed, so that the condition of the insulating fishplate 2 can be monitored in real time by the maintenance personnel of the track 1 through the signal monitoring device to monitor the change of the optical fiber signal.
Preferably, the corner of the top of the plate 21 facing away from the rail 1 is chamfered, which is not only advantageous for stress relief but also for manufacturing.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (9)
1. The utility model provides a railway rail joint connection structure, includes the rail, its characterized in that, the lateral part detachably of rail is connected with insulating fishplate, insulating fishplate includes the plate body, the holding chamber that extends along orbital long direction has been seted up at the middle part of plate body, hold the intracavity and fill there is the cock body, the junction of plate body and rail is formed with along orbital long direction extension's installation cavity.
2. A railway rail joint connection as claimed in claim 1, wherein the mounting cavity is provided on the outer surface of the side of the plate body adjacent the rail, and the transverse profile of the mounting cavity is trapezoidal.
3. A railway rail joint connection according to claim 1 or 2, wherein the mounting cavity is provided with a conductive plate extending in the longitudinal direction of the track, the conductive plate being in close proximity to the rail.
4. A railway rail joint connection structure according to claim 1 or 2, wherein a shock pad extending in the longitudinal direction of the track is provided in the mounting cavity, and the shock pad abuts against the rail and the plate body respectively.
5. The railway rail joint connection structure according to claim 1, wherein the outer surface of the plug body is provided with an avoidance cavity, an optical fiber is arranged in the avoidance cavity, and the avoidance cavity and the optical fiber extend along the long direction of the track.
6. The railway rail joint connection structure according to claim 1, wherein a plurality of mounting holes which are uniformly distributed along the length direction of the rail and can be aligned one by one are respectively penetrated through the rail, the plate body and the plug body, bolts which are used for connecting the rail, the plate body and the plug body into a whole are arranged in the mounting holes, a steel base plate is arranged between the end head of the bolt and the outer side wall of the plate body, and the steel base plate spans across the plurality of mounting holes along the length direction of the rail.
7. The railway rail joint connection structure according to claim 1, wherein the track is formed by splicing a first section of track and a second section of track end to end, an insulating end plate is arranged at the joint of the first section of track and the second section of track, and the end plate coincides with the transverse profile of the first section of track and the transverse profile of the second section of track.
8. A railway rail joint connection as claimed in claim 1, wherein the top end of the plate body is chamfered at a corner facing away from the rail.
9. A railway rail joint connection structure as claimed in claim 1, wherein the insulating fishplate material is a fibre reinforced resin matrix composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321692003.7U CN220364807U (en) | 2023-06-30 | 2023-06-30 | Rail joint connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321692003.7U CN220364807U (en) | 2023-06-30 | 2023-06-30 | Rail joint connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220364807U true CN220364807U (en) | 2024-01-19 |
Family
ID=89512473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321692003.7U Active CN220364807U (en) | 2023-06-30 | 2023-06-30 | Rail joint connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220364807U (en) |
-
2023
- 2023-06-30 CN CN202321692003.7U patent/CN220364807U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |