CN219246420U - Cold-proof device for track traffic signal cable - Google Patents
Cold-proof device for track traffic signal cable Download PDFInfo
- Publication number
- CN219246420U CN219246420U CN202320205791.6U CN202320205791U CN219246420U CN 219246420 U CN219246420 U CN 219246420U CN 202320205791 U CN202320205791 U CN 202320205791U CN 219246420 U CN219246420 U CN 219246420U
- Authority
- CN
- China
- Prior art keywords
- cable
- sleeve
- cold
- protective sleeve
- cable protective
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The utility model discloses a cold-proof device for a rail transit signal cable, which relates to the technical field of cold-proof of cables, and comprises the following components: a cable cold-proof assembly; the cable cold-proof assembly comprises an outer cable protective sleeve, an inner cable protective sleeve connected in the outer cable protective sleeve, an iron net connected to the outer surface of the inner cable protective sleeve and a plurality of cable installation sleeves equidistantly connected in the inner cable protective sleeve; the outer surface of the iron net is contacted with the inner side wall of the outer cable protective sleeve. The utility model adopts the double-layer heat-insulating structure of the outer cable protective sleeve and the inner cable protective sleeve, and adds the iron net on the outer surface of the inner cable protective sleeve, thereby effectively improving the structural strength of the inner cable protective sleeve, solving the problems that the existing cold-proof device used by cables is generally and directly sheathed on the surface of the cable to achieve the heat-insulating and cold-proof effects, but the heat-insulating sleeve is easy to collapse and influence the cable under the action of external pressure in the use process.
Description
Technical Field
The utility model relates to the technical field of cold protection of cables, in particular to a cold protection device for a rail transit signal cable
Background
A cable: the cable is a rope-like cable formed by twisting several or several groups of wires (at least two wires in each group), wherein each group of wires are mutually insulated and are often twisted around a center, the whole outside is covered with a high-insulation coating, and the surface of the cable is generally additionally provided with a cold-proof device in order to avoid affecting the use of the cable in cold weather.
However, the following drawbacks still exist in practical use:
the cold-proof device used for the existing cable generally directly carries out the sleeving connection of the heat preservation sleeve on the surface of the cable, so as to achieve the heat preservation and cold-proof effects on the heat preservation sleeve, but the heat preservation sleeve is easy to collapse by itself under the action of external pressure in the use process, and has influence on the cable.
Therefore, there is an urgent need in the market for improved techniques to solve the above problems.
Disclosure of Invention
1. Technical problem to be solved
The utility model aims to provide a cold-proof device for a track traffic signal cable, which is characterized in that an outer cable protective sleeve and an inner cable protective sleeve are adopted, an iron net is additionally arranged on the outer surface of the inner cable protective sleeve, so that the structural strength of the cold-proof device is effectively improved, the cold-proof device for the existing cable is solved, the heat-insulating sleeve is generally directly sheathed on the surface of the cable, the heat-insulating and cold-proof effects are achieved, and the heat-insulating sleeve is easy to collapse under the action of external pressure in the use process and affects the cable.
2. Technical proposal
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a cold-proof device for a rail transit signal cable, which comprises:
a cable cold-proof assembly;
the cable cold-proof assembly comprises an outer cable protection sleeve, an inner cable protection sleeve connected in the outer cable protection sleeve, an iron net connected to the outer surface of the inner cable protection sleeve and a plurality of cable installation sleeves equidistantly connected in the inner cable protection sleeve;
the outer surface of the iron net is contacted with the inner side wall of the outer cable protective sleeve;
specifically, the iron net is in a diamond hollow structure shape, and can wrap the cable to play a very effective protection role.
Further, the inner diameters of the cable installation sleeves at the inner edges of the inner cable protection sleeves are equal, and the inner diameters of the cable installation sleeves at the middle sections inside the inner cable protection sleeves are 2 times the inner diameters of the cable installation sleeves of the edge cable protection sleeves;
the outer surface of the cable installation sleeve at the edge is contacted with the inner side wall of the inner cable protection sleeve and the outer surface of the cable installation sleeve at the middle section;
specifically, a plurality of internal cable protective sleeves with the same internal diameters at the edges can be used for carrying out cold-proof treatment on the cable with one specification and size, and the internal cable protective sleeve in the middle is arranged for 2 times of the edges and can be used for carrying out cold-proof treatment on the cable with the other specification and size.
Further, the cable mounting sleeve comprises a cable sleeve column and a cable sleeve connected to one end of the cable sleeve column;
wherein, cable sleeve is connected with the cable sleeve post through the cable fishplate bar of one end.
Specifically, the cable fishplate bar carries out the equipment of structure to cable sleeve post, cable sleeve, adopts the mode of equipment, can dismantle the structure of single damage to reduce cost.
Further, one end of the outer surface of the cable connecting plate and one end of the inner side wall of the cable sleeve are provided with threads;
specifically, the distributed anti-skid patterns are favorable for grasping, and are difficult to fall off due to friction during installation.
Further, the outer cable protective sleeve and the inner cable protective sleeve comprise a nylon layer, a PUR layer, a PE layer and a PVC layer;
specifically, the nylon layer is convenient to weave the penetrating pipe, and the excellent wear resistance can reduce the damage to insulation during the cable penetrating pipe and laying, so that the reliability and the service life of the electric wire are effectively improved.
The PUR layer has excellent oil resistance, good toughness, wear resistance, cold resistance, water resistance, aging resistance, acid and alkali resistance, long service life, ultraviolet resistance and multiple excellent functions, and is suitable for severe occasions such as greasy dirt, low-temperature environment and the like.
The PE layer has excellent low temperature resistance and good chemical stability, and can resist most of acid and alkali corrosion.
The PVC layer has the characteristics of low use cost, good flexibility, quite firm, fire resistance, oil resistance and the like.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
the utility model provides a cold-proof device for a rail transit signal cable, which adopts a double-layer heat-insulating structure of an outer cable protecting sleeve and an inner cable protecting sleeve, and adds an iron net on the outer surface of the inner cable protecting sleeve, so that the structural strength of the cold-proof device is effectively improved, the service life of the cold-proof device is prolonged, the use cost is reduced, and the cable in the cold-proof device is protected;
meanwhile, the outer cable protective sleeve and the inner cable protective sleeve comprise a nylon layer, a PUR layer, a PE layer and a PVC layer, and can improve the performances of wear resistance, weather resistance, toughness and the like of the cable protective sleeve and the inner cable protective sleeve so as to prolong the service life of the cable protective sleeve and further reduce the cost.
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 technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a cable cold-proof assembly of the present utility model;
FIG. 2 is a block diagram of an outer cable protective sleeve according to the present utility model;
fig. 3 is a construction diagram of the cable installation sleeve of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
100. a cable cold-proof assembly; 110. an outer cable protective sleeve; 120. an inner cable protective sleeve; 111. a nylon layer; 112. a PUR layer; 113. a PE layer; 114. a PVC layer; 130. an iron net; 140. a cable installation sleeve; 141. a cable sleeve column; 142. a cable sleeve; 143. and (5) a cable connecting plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Examples
Referring to fig. 1-3, the present embodiment is a cold-proof device for a track traffic signal cable, including:
a cable insulation assembly 100;
the cable cold-proof assembly 100 comprises an outer cable protection sleeve 110, an inner cable protection sleeve 120 connected in the outer cable protection sleeve 110, an iron net 130 connected to the outer surface of the inner cable protection sleeve 120, and a plurality of cable installation sleeves 140 equidistantly connected in the inner cable protection sleeve 120;
wherein the outer surface of the iron net 130 is in contact with the inner sidewall of the outer cable protective sleeve 110;
wherein, the iron net 130 is in a diamond hollow structure;
the inner diameter of the cable installation sleeve 140 at the inner edge of the inner cable protection sleeve 120 is equal, and the inner diameter of the cable installation sleeve 140 at the middle section inside the inner cable protection sleeve 120 is 2 times of the inner diameter of the cable installation sleeve 140 of the edge cable protection sleeve;
wherein the outer surface of the edge cable installation sleeve 140 is in contact with the inner sidewall of the inner cable protective sleeve 120 and the outer surface of the middle cable installation sleeve 140;
the cable installation sleeve 140 includes a cable sleeve 141 and a cable sleeve 142 connected to one end of the cable sleeve 141;
wherein, the cable sleeve 142 is connected with the cable sleeve column 141 through a cable connecting plate 143 at one end;
one end of the outer surface of the cable connection plate 143 and one end of the inner side wall of the cable sleeve 142 are provided with threads;
the outer surfaces of the cable sleeve column 141 and the cable sleeve 142 are provided with anti-skid patterns which are distributed at equal intervals;
the outer cable protective sleeve 110 and the inner cable protective sleeve 120 comprise a nylon layer 111, a PUR layer 112, a PE layer 113 and a PVC layer 114;
how to use the cable cold-proof assembly 100, the following steps are published:
the outer cable protective sleeve 110 is wrapped on the inner cable protective sleeve 120, the cable sleeve column 141 and the cable sleeve 142 are combined together to form the cable installation sleeve 140, the cable sleeve column 141 and the cable sleeve 142 are provided with anti-skid patterns, so that the cable installation sleeve is favorable for grasping, the cable installation sleeves 140 are not easy to fall off due to friction during installation, the cable installation sleeves 140 are plugged into the cable inner cable protective sleeve 120 one by one, the cable installation sleeve 140 adopts an assembly mode, and a single damaged structure can be disassembled, so that the cost is reduced;
the outer cable installation sleeve 140 is placed in the same cable for convenient installation and resolution, and the middle cable installation sleeve 140 is 2 times of the outer part, so that the cold-proof treatment for placing cables with the other specification and size can be carried out;
in the process of carrying out the steps, the service life of the cable can be prolonged by adding the iron net 130 outside the inner cable protective sleeve 120, the double-layer protection of the inner cable protective sleeve 120 and the outer cable protective sleeve 110 is used, the materials of the outer cable protective sleeve 110 and the inner cable protective sleeve 120 are key points for cold prevention, the nylon layer 111 is convenient to weave and penetrate through a pipe, the good wear resistance can reduce damage to insulation during the process of penetrating through the pipe and laying the cable, the reliability and the service life of a wire are effectively improved, the PUR layer 112 is excellent in oil resistance, good in toughness, wear-resistant, cold-resistant, water-resistant, ageing-resistant and acid-base-resistant, the PE layer 113 is good in low-temperature resistance and chemical stability, the PVC layer 114 is low in use cost, good in flexibility and quite firm, the heat preservation effect of the cable in winter is greatly enhanced, the service life of the cable is prolonged, and the cost is saved.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A rail transit signal cable cold-proof device, comprising:
a cable cold-proof assembly (100);
the cable cold-proof assembly (100) comprises an outer cable protective sleeve (110), an inner cable protective sleeve (120) connected in the outer cable protective sleeve (110), an iron net (130) connected to the outer surface of the inner cable protective sleeve (120) and a plurality of cable installation sleeves (140) equidistantly connected in the inner cable protective sleeve (120);
wherein the outer surface of the iron net (130) is in contact with the inner side wall of the outer cable protective sleeve (110);
wherein, the iron net (130) is in a diamond hollow structure shape.
2. The cold-proof device for a rail transit signal cable according to claim 1, wherein the inner diameters of the cable installation sleeves (140) at the inner edges of the inner cable protective sleeves (120) are identical, and the inner diameters of the cable installation sleeves (140) at the inner middle sections of the inner cable protective sleeves (120) are 2 times the inner diameters of the cable installation sleeves (140) of the edge cable protective sleeves;
wherein the outer surface of the cable mounting sleeve (140) at the edge is contacted with the inner side wall of the inner cable protecting sleeve (120) and the outer surface of the cable mounting sleeve (140) at the middle section.
3. The cold-proof device for a rail transit signal cable according to claim 2, wherein the cable mounting sleeve (140) comprises a cable sleeve (141) and a cable sleeve (142) connected to one end of the cable sleeve (141);
wherein, the cable sleeve (142) is connected with the cable sleeve column (141) through a cable connecting plate (143) at one end.
4. A cold-proof device for a rail transit signal cable according to claim 3, wherein one end of the outer surface of the cable receiving plate (143) and one end of the inner side wall of the cable sleeve (142) are provided with threads;
the outer surfaces of the cable sleeve column (141) and the cable sleeve (142) are provided with anti-skid patterns which are distributed at equal intervals.
5. The cold-proof device for a rail transit signal cable according to claim 4, wherein the outer cable protective sleeve (110) and the inner cable protective sleeve (120) each comprise a nylon layer (111), a PUR layer (112), a PE layer (113) and a PVC layer (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320205791.6U CN219246420U (en) | 2023-02-14 | 2023-02-14 | Cold-proof device for track traffic signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320205791.6U CN219246420U (en) | 2023-02-14 | 2023-02-14 | Cold-proof device for track traffic signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219246420U true CN219246420U (en) | 2023-06-23 |
Family
ID=86844583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320205791.6U Active CN219246420U (en) | 2023-02-14 | 2023-02-14 | Cold-proof device for track traffic signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219246420U (en) |
-
2023
- 2023-02-14 CN CN202320205791.6U patent/CN219246420U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204614488U (en) | A kind of environment-friendly type insulated anticorrosion shielded type cable | |
| CN219246420U (en) | Cold-proof device for track traffic signal cable | |
| CN201477934U (en) | Waterproof ice and snow prevention wind force cable | |
| CN201222376Y (en) | Snow-proof freezing-resistant environment protection aerial cable | |
| CN202384024U (en) | Demagnetized cable for vessel | |
| CN204348355U (en) | New type corrosion resistant vibration-proof conductor | |
| CN106340731A (en) | Flexible graphite grounding downlead | |
| CN207489516U (en) | A kind of anti-severe cold power cable for wind power generation | |
| CN201117345Y (en) | Water-resistant elevated insulated wire structure | |
| CN210489274U (en) | Low-voltage reel cable | |
| CN207489521U (en) | A kind of resistance to fire-retardant computer flexible cable of the resistance to tension of mineral insulation | |
| CN205645326U (en) | Stretch -proofing power transmission device | |
| CN106448842A (en) | Insulating aerial cable made from coreless material | |
| CN207883374U (en) | A kind of ultra-thin-wall insulation EMU single-core cable with special combustibility | |
| CN206849532U (en) | A kind of novel computer cold resistant cable | |
| CN207165254U (en) | A kind of 1kV resists cold weather-proofing aerial insulation cable | |
| CN201181830Y (en) | Low ice-covering optical fiber composite overhead ground wire | |
| CN218957445U (en) | High-temperature-resistant cable for steelmaking boiler | |
| CN216749411U (en) | Dampproofing buried cable of corrosion resistant | |
| CN2562022Y (en) | Multilayer thermal insulative GFRP composite pipelines | |
| CN215988196U (en) | Photoelectric composite cable for submersible pump | |
| CN218896485U (en) | Anticorrosion underground cable | |
| CN213366193U (en) | Corrosion-resistant tensile medium-voltage waterproof cable for rail transit | |
| CN216623826U (en) | Rat-proof and termite-proof rare earth aluminum alloy cable | |
| CN217767904U (en) | Stretch-proofing resistance to compression power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |