CN221149681U - Leakage cable for high-speed railway tunnel - Google Patents
Leakage cable for high-speed railway tunnel Download PDFInfo
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- CN221149681U CN221149681U CN202322614001.2U CN202322614001U CN221149681U CN 221149681 U CN221149681 U CN 221149681U CN 202322614001 U CN202322614001 U CN 202322614001U CN 221149681 U CN221149681 U CN 221149681U
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- mounting
- cable
- ring
- speed railway
- cable body
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 13
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model belongs to the technical field of tunnel signal transmission equipment, and particularly relates to a leakage cable for a high-speed railway tunnel. The cable comprises a cable body, wherein a plurality of reinforcing rings are arranged on the cable body at equal intervals along the radial direction, and signal grooves are formed in the reinforcing rings; the reinforcing ring is connected with a mounting structure; the mounting structure comprises a ring sleeve, the cable body is sleeved with the ring sleeve, a mounting seat is fixedly connected to the ring sleeve, and a mounting pin is fixedly connected to the mounting seat. The purpose is that: through set up mounting structure on the cable body, through after inserting mounting structure's mounting pin in the mounting hole on the tunnel wall, screw up locking double-screw bolt and make deformation piece upset deformation, the card is tight in the mounting hole, improves the stability of cable body installation, improves the resistance that the cable body produced when the train is moving in the tunnel to the piston wind impact.
Description
Technical Field
The utility model belongs to the technical field of tunnel signal transmission equipment, and particularly relates to a leakage cable for a high-speed railway tunnel.
Background
The leakage cable is an important device of the high-speed railway system, is the optimal mode of communication of the high-speed railway in the tunnel, and the fixing clamp is the only scheme for fixing the leakage cable in the high-speed railway tunnel. However, as the operation speed of the train is continuously improved, the impact of the piston wind generated when the train operates in the tunnel is more severe, so that the strong impact is easily caused on the leakage cable on the inner wall of the high-speed railway tunnel, and the cable of the signal slot part for transmitting the signal of the leakage cable can fall off and shake due to the different positions of the installation points of the leakage cable, thereby influencing the transmission of the signal.
Disclosure of utility model
The purpose of the utility model is that: the leakage cable for the high-speed railway tunnel aims at solving the problem that the signal transmission is affected due to the fact that the leakage cable in the high-speed railway is impacted by piston wind when a train runs.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the leakage cable for the high-speed railway tunnel comprises a cable body, wherein a plurality of reinforcing rings are arranged on the cable body at equal intervals along the radial direction, and a plurality of signal grooves are formed in each of the reinforcing rings; the reinforcing ring is connected with a mounting structure;
The mounting structure comprises a ring sleeve, the cable body is sleeved with the ring sleeve, a mounting seat is fixedly connected to the ring sleeve, and a mounting pin is fixedly connected to the mounting seat.
Preferably, the mounting pin is internally provided with a mounting hole, the front end of the mounting pin is symmetrically provided with a plurality of deformation sheets around the axis of the mounting pin, the mounting pin is internally provided with a locking stud for extruding the deformation sheets, and the locking stud is in threaded connection with the mounting hole. The fixing effect when installing the cable body is favorable to improving by setting like this.
Preferably, a fixing strip is arranged on the outer wall of the mounting pin. The friction between the mounting pin and the fixing hole formed in the inner wall of the high-speed railway tunnel is increased, and the fixing effect is further improved.
Preferably, a connecting ring is arranged on one side of the ring sleeve, a limiting step is arranged on the connecting ring, a mounting groove is formed in one side of the reinforcing ring, and the connecting ring is rotatably mounted in the mounting groove through the limiting step. The arrangement is that the ring sleeve is arranged close to the reinforcing ring provided with the signal groove, so that the structural stability of the signal groove is improved.
Preferably, the reinforcement ring is provided with a grid structure. The arrangement is beneficial to improving the structural strength of the reinforcing ring.
Preferably, the cable body comprises a cable core, wherein the outer layer of the cable core is wrapped with a foamed polyethylene insulating layer, the outer layer of the foamed polyethylene insulating layer is provided with an aluminum band outer conductor, and the outer layer of the aluminum band outer conductor is provided with an outer sheath;
The reinforcing ring is fixedly connected to the aluminum strip outer conductor, and the outer sheath is fixedly connected to the reinforcing ring. The arrangement is convenient for the cable body to transmit signals.
The utility model adopting the technical scheme has the following advantages:
1. In the scheme, the installation structure is arranged on the cable body, the locking stud is screwed down to enable the deformation sheet to turn over and deform after the installation pin of the installation structure is inserted into the installation hole in the tunnel wall, the cable body is clamped in the installation hole, the installation stability of the cable body is improved, and the resistance of the cable body to the piston wind impact generated when a train runs in the tunnel is improved;
2. In the scheme, the grid structure is arranged in the reinforcing ring, so that the structure is light, the structural strength of the position where the signal groove is formed can be improved, and the possibility that signal transmission is influenced is reduced;
3. In this scheme, link to each other through the ring cover with mounting structure with the stiffening ring for mounting structure is close to the signal groove, improves the stability of the structure of signal groove department.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic view of a leak cable embodiment for a high speed railway tunnel according to the present utility model;
FIG. 2 is a schematic view of the installation structure of an embodiment of a leakage cable for a high-speed railway tunnel according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of a reinforcing ring of an embodiment of a leakage cable for a high-speed railway tunnel according to the present utility model;
FIG. 4 is a schematic view of a cross-section of a cable body of an embodiment of a leak cable for a high-speed railway tunnel according to the present utility model;
the main reference numerals are as follows:
1. A cable body; 11. a cable core; 12. a foamed polyethylene insulating layer; 13. the aluminum strip is provided with a belt; 14. an outer sheath; 2. a reinforcing ring; 21. a signal slot; 22. a grid structure; 3. a ring sleeve; 31. a mounting base; 32. a mounting pin; 321. a deformation sheet; 322. locking the stud; 323. a fixing strip; 33. a connecting ring; 331. and limiting the step.
Detailed Description
The following embodiments of the present utility model are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present utility model from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., which are based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limiting the present utility model, and that the specific meanings of the terms described above may be understood by those of ordinary skill in the art in view of the specific circumstances, and that the terms such as "first", "second", etc. are merely used for distinguishing the description in the description of the present utility model and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the leakage cable for the high-speed railway tunnel comprises a cable body 1, wherein the innermost layer of the cable body 1 is provided with a cable core 11, the outer layer of the cable core 11 is wrapped with a foamed polyethylene insulating layer 12, the outer layer of the foamed polyethylene insulating layer 12 is provided with an aluminum strip outer conductor 13, and the outer layer of the aluminum strip outer conductor 13 is provided with an outer sheath 14; the aluminum belt is provided with a plurality of reinforcing rings 2 in a hot-melt welding manner on the outer belt 13, the outer sheath 14 is in a hot-melt welding manner on the reinforcing rings 2, the reinforcing rings 2 are provided with signal grooves 21, and signals are sent outwards through the signal grooves 21.
In the present embodiment, the reinforcing ring 2 is provided with a mesh structure 22 therein to enhance the structural strength at the signal grooves 21. It will be appreciated that the lattice structure 22 may be a square cell structure or a honeycomb structure.
In this embodiment, the reinforcing ring 2 is connected with a mounting structure, the mounting structure includes a ring sleeve 3, the ring sleeve 3 is sleeved on the cable body 1, the ring sleeve 3 is integrally formed with a mounting seat 31, the mounting seat 31 is two symmetrical ear-shaped mounting seats 31, and the mounting seat 31 is integrally formed with a mounting pin 32. The mounting pin 32 is internally provided with a mounting hole, and the front end of the mounting pin 32 is symmetrically provided with a plurality of deformation sheets 321 around the axis of the mounting pin 32.
In the present embodiment, the number of the preferred deformation pieces 321 is set to three. A locking stud 322 is threadedly connected within the mounting pin 32.
Before the mounting, the front ends of the deformation pieces 321 are closed, a conical structure is formed in the mounting hole, and the front ends of the mounting pins 32 are conical structures. When the high-speed railway tunnel is installed, the fixing holes are formed in the concrete inner wall of the high-speed railway tunnel, the ring sleeve 3 is rotated, the installation pins 32 face the fixing holes, and the signal grooves 21 on the reinforcing ring 2 face the inside of the tunnel. The installation pin 32 is inserted into the fixing hole, then the locking stud 322 is rotated, the locking stud 322 moves towards the deformation sheet 321 in the installation hole, the lower part of the locking stud 322 is in contact with the deformation sheet 321, and the deformation sheet 321 is pushed to be overturned and deformed to be abutted on the inner wall of the fixing hole, so that the cable body 1 is fixedly installed on the inner wall of a high-speed railway tunnel through the installation structure, and the resistance of the cable body 1 to piston wind impact generated when a train runs in the tunnel is enhanced.
It can be appreciated that a plurality of fixing strips 323 can be formed on the outer wall of the mounting pin 32 at equal intervals along the axial direction, and when the locking stud 322 presses the deformation sheet 321 to be pressed on the inner wall of the fixing hole, the friction force is enhanced through the fixing strips 323, so that the effect of fixing mounting is improved.
In this embodiment, a connecting ring 33 is welded on one side of the ring sleeve 3 in a hot-melt manner, a limiting step 331 is integrally formed on the connecting ring 33, a mounting groove is formed on one side of the reinforcing ring 2, and the connecting ring 33 is rotatably mounted in the mounting groove through the limiting step 331. By connecting the collar 3 of the mounting structure with the reinforcement ring 2, the mounting structure is brought close to the signal groove 21, and the stability of the structure at the signal groove 21 is improved.
The leakage cable for the high-speed railway tunnel provided by the utility model is described in detail. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (6)
1. The utility model provides a high-speed railway is leakage cable for tunnel which characterized in that: the cable comprises a cable body (1), wherein a plurality of reinforcing rings (2) are arranged on the cable body (1) at equal intervals along the radial direction, and a plurality of signal grooves (21) are formed in the reinforcing rings (2); the reinforcing ring (2) is connected with a mounting structure;
The mounting structure comprises a ring sleeve (3), the ring sleeve (3) is sleeved on the cable body (1), a mounting seat (31) is fixedly connected to the ring sleeve (3), and a mounting pin (32) is fixedly connected to the mounting seat (31).
2. The leakage cable for a high-speed railway tunnel according to claim 1, wherein: the mounting pin (32) is internally provided with a mounting hole, the front end of the mounting pin (32) is symmetrically provided with a plurality of deformation sheets (321) around the axis of the mounting pin (32), the mounting pin (32) is internally provided with a locking stud (322) for extruding the deformation sheets (321), and the locking stud (322) is in threaded connection with the mounting hole.
3. The leakage cable for a high-speed railway tunnel according to claim 2, wherein: the outer wall of the mounting pin (32) is provided with a fixing strip (323).
4. The leakage cable for a high-speed railway tunnel according to claim 1, wherein: one side of the ring sleeve (3) is provided with a connecting ring (33), the connecting ring (33) is provided with a limiting step (331), one side of the reinforcing ring (2) is provided with a mounting groove, and the connecting ring (33) is rotatably mounted in the mounting groove through the limiting step (331).
5. The leakage cable for a high-speed railway tunnel according to claim 1, wherein: a grid structure (22) is arranged in the reinforcing ring (2).
6. The leakage cable for a high-speed railway tunnel according to claim 1, wherein: the cable body (1) comprises a cable core (11), wherein a foamed polyethylene insulating layer (12) is wrapped on the outer layer of the cable core (11), an aluminum strip outer conductor (13) is arranged on the outer layer of the foamed polyethylene insulating layer (12), and an outer sheath (14) is arranged on the outer layer of the aluminum strip outer conductor (13);
The reinforcing ring (2) is fixedly connected to the aluminum strip outer conductor (13), and the outer sheath (14) is fixedly connected to the reinforcing ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322614001.2U CN221149681U (en) | 2023-09-26 | 2023-09-26 | Leakage cable for high-speed railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322614001.2U CN221149681U (en) | 2023-09-26 | 2023-09-26 | Leakage cable for high-speed railway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221149681U true CN221149681U (en) | 2024-06-14 |
Family
ID=91429415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322614001.2U Active CN221149681U (en) | 2023-09-26 | 2023-09-26 | Leakage cable for high-speed railway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221149681U (en) |
-
2023
- 2023-09-26 CN CN202322614001.2U patent/CN221149681U/en active Active
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