CN216671216U - Insulated flame-retardant railway signal flexible cable of winter protection polyvinyl chloride - Google Patents
Insulated flame-retardant railway signal flexible cable of winter protection polyvinyl chloride Download PDFInfo
- Publication number
- CN216671216U CN216671216U CN202123322452.6U CN202123322452U CN216671216U CN 216671216 U CN216671216 U CN 216671216U CN 202123322452 U CN202123322452 U CN 202123322452U CN 216671216 U CN216671216 U CN 216671216U
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- China
- Prior art keywords
- cable
- retardant
- polyvinyl chloride
- cable body
- flame
- 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.)
- Expired - Fee Related
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 41
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 26
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000002085 irritant Substances 0.000 claims abstract description 14
- 231100000021 irritant Toxicity 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000008098 formaldehyde solution Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 241000699666 Mus <mouse, genus> Species 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 206010022998 Irritability Diseases 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002602 strong irritant Substances 0.000 description 1
Images
Classifications
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- 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
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable which comprises a cable body, wherein a fixed line is arranged in the cable body, a plurality of conductors are arranged on the outer side of the fixed line in the cable body, insulating layers are arranged on the outer surfaces of the plurality of conductors, a fireproof flame-retardant layer is arranged in the cable body, a filling layer is arranged between the inner surface of the fireproof flame-retardant layer and the outer side of the insulating layer, an outer protective layer is arranged on the outer side of the fireproof flame-retardant layer, a filling groove is formed in the outer surface of the cable body, irritant liquid is arranged in the filling groove, a first notch is formed in the outer surface of the cable body, and a sealing sleeve is sleeved on the outer side of the cable body. According to the utility model, through the arrangement of the insulating layer, the fireproof flame-retardant layer, the outer protective layer and the sealing sleeve, the cable can be well protected, so that the cable has the performances of cold resistance, heat resistance, wear resistance, durability, corrosion resistance and the like, and the service life of the cable is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a cold-proof polyvinyl chloride insulation flame-retardant railway signal flexible cable.
Background
The signal cable is a signal transmission tool, is used for signal transmission of various sensors, instruments and meters, and has extremely wide application in various fields, such as railway signal transmission in railway traffic, and the use of the cable also has various requirements, and has certain requirements on the protection performance of the cable in order to ensure the stability of transmission signals;
the existing cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable is mostly buried underground for use, and although the arrangement mode can reduce the influence of the external force action on the ground surface on the cable, the cable is easy to bite by mice underground and the cable is broken, so that the cable has certain safety problem in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a cold-proof polyvinyl chloride insulation flame-retardant railway signal flexible cable.
In order to achieve the purpose, the utility model adopts the following technical scheme: a cold-proof polyvinyl chloride insulation flame-retardant railway signal flexible cable comprises a cable body, wherein a fixed line is arranged in the cable body, a plurality of conductors are arranged on the outer side of the fixed line in the cable body, insulating layers are arranged on the outer surfaces of the plurality of conductors, a fireproof flame-retardant layer is arranged in the cable body, a filling layer is arranged between the inner surface of the fireproof flame-retardant layer and the outer side of the insulating layer, an outer protective layer is arranged on the outer side of the fireproof flame-retardant layer, a filling groove is formed in the outer surface of the cable body, an irritant liquid is arranged in the filling groove, a notch I is formed in the outer surface of the cable body, a sealing sleeve is sleeved on the outer side of the cable body, a notch II is arranged on the sealing sleeve, a clamp is sleeved in the notch II, fixed blocks are fixedly connected to the outer surfaces of two ends of an opening position of the clamp, and communicating grooves are formed in the two fixed blocks, fastening bolts are inserted into the two communicating grooves, and fastening nuts are connected to the fastening bolts through threads.
As a further description of the above technical solution:
the fireproof flame-retardant layer is made of glass fiber.
As a further description of the above technical solution:
the outer protective layer is made of polyvinyl chloride.
As a further description of the above technical solution:
the irritant liquid is an aqueous formaldehyde solution.
As a further description of the above technical solution:
the inner surface of the sealing sleeve and the corresponding positions of the notches are in an inward convex mode, and the inward convex parts of the second notches and the first notches are in nested fit arrangement.
As a further description of the above technical solution:
the first notch, the second notch and the clamp are provided with two groups of notches which are respectively arranged at two end positions of the filling groove.
As a further description of the above technical solution:
the opening part one end position fixedly connected with lug of clamp, and the clamp opening part other end is provided with the recess with lug joint complex.
As a further description of the above technical solution:
and a liquid injection port is formed in the sealing sleeve.
The utility model has the following beneficial effects:
this insulating fire-retardant railway signal flexible cable of winter protection polyvinyl chloride, through the insulating layer, fire prevention fire-retardant layer, the setting of outer protective layer and seal cover, can play fine guard action to the cable, make it possess cold-resistant heat-resisting, performances such as wear-resisting durable corrosion-resistant, the life of cable has been promoted greatly, filling groove through setting up, pungent liquid, the cooperation of seal cover isotructure, can pack one deck irritability liquid on the cable surface, when mouse gnaws and eats the cable, bite the seal cover when the mouse, inside irritability liquid then can spill over and produce pungent smell, thereby can drive the mouse, can play fine guard action to the cable.
Drawings
FIG. 1 is a schematic view of the overall structure of a cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable provided by the utility model;
FIG. 2 is a cross-sectional view of a winter protection polyvinyl chloride insulation flame retardant railway signal flexible cable provided by the present invention;
FIG. 3 is a front view of a winter protection polyvinyl chloride insulation flame retardant railway signal flexible cable provided by the present invention;
FIG. 4 is a schematic view of a sealing sleeve structure of a cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable provided by the utility model;
fig. 5 is a side view of a clamp structure of a cold-proof polyvinyl chloride insulation flame-retardant railway signal flexible cable provided by the utility model.
Illustration of the drawings:
1. a cable body; 2. fixing the wire; 3. a conductor; 4. an insulating layer; 5. a fire resistant and flame retardant layer; 6. a filling layer; 7. an outer protective layer; 8. filling the groove; 9. an irritant liquid; 10. a first notch; 11. sealing sleeves; 12. a second notch; 13. clamping a hoop; 14. a bump; 15. a groove; 16. a fixed block; 17. a communicating groove; 18. fastening a bolt; 19. fastening a nut; 20. and a liquid injection port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1-5, one embodiment of the present invention is provided: a cold-proof polyvinyl chloride insulation flame-retardant railway signal flexible cable comprises a cable body 1, wherein a fixed line 2 is arranged in the cable body 1, a plurality of conductors 3 are arranged in the cable body 1 and positioned on the outer side of the fixed line 2, insulating layers 4 are arranged on the outer surfaces of the plurality of conductors 3, a fireproof flame-retardant layer 5 is arranged in the cable body 1, a filling layer 6 is arranged between the inner surface of the fireproof flame-retardant layer 5 and the outer side of the insulating layer 4, an outer protective layer 7 is arranged on the outer side of the fireproof flame-retardant layer 5, a filling groove 8 is arranged on the outer surface of the cable body 1, an irritant liquid 9 is arranged in the filling groove 8, a notch I10 is arranged on the outer surface of the cable body 1, a sealing sleeve 11 is sleeved on the outer side of the cable body 1, a notch II 12 is arranged on the sealing sleeve 11, a clamp 13 is sleeved in the notch II 12, and fixed blocks 16 are fixedly connected on the outer surfaces of two ends of an opening position of the clamp 13, the two fixing blocks 16 are provided with communicating grooves 17, fastening bolts 18 are inserted into the two communicating grooves 17, and fastening nuts 19 are connected to the fastening bolts 18 in a threaded mode.
In the further scheme, fire prevention fire-retardant layer 5 adopts the glass fiber material, and glass fiber has good heat resistance, and structural strength is high simultaneously, and is wear-resisting durable corrosion-resistant, can effectually play fine guard action to inside conductor 3 and fixed line 2, and conductor 3 carries out information transfer, and fixed line 2 can promote the toughness of cable.
In the further scheme, outer protective layer 7 adopts the polyvinyl chloride material, and outer protective layer 7 can play fine guard action to the inner structure of whole cable, promotes the cold-resistant, heat-resisting, the wear resistance of cable, has guaranteed cable safety in utilization.
In a further scheme, the irritant liquid 9 is a formaldehyde aqueous solution, the formaldehyde aqueous solution has strong irritant odor, and the cable can be prevented from being used, when a mouse bites the cable, once the sealing sleeve 11 is bitten, the formaldehyde aqueous solution can overflow and disperse the irritant odor, so that the cable can be prevented from being bitten by the mouse, and a good protection effect is achieved.
In a further scheme, the inner surface of the sealing sleeve 11 and the corresponding position of the second notch 12 are in an inward convex mode, the inward convex part of the second notch 12 and the first notch 10 are in nested fit arrangement, the sealing sleeve 11 which can be stable can be connected to the outer side of the cable through the arrangement of the structure, meanwhile, a sealing effect can be achieved on the filling groove 8, and the irritant liquid 9 can be enabled to have a stable storage space.
In the further scheme, notch 10, notch two 12 and clamp 13 all are provided with two sets ofly and set up respectively in the both ends position of filling groove 8, and the setting of two sets of structures can be sealed the both ends of filling groove 8 simultaneously to guarantee the stability that irritability liquid 9 stored.
In the further scheme, the position of one end of the opening of the clamp 13 is fixedly connected with a convex block 14, the other end of the opening of the clamp 13 is provided with a groove 15 matched with the convex block 14 in a clamping mode, the gap between the connection positions of the clamp 13 can be eliminated through the matching of the convex block 14 and the groove 15, and the clamping tightness of the whole clamp 13 is guaranteed.
In a further scheme, the sealing sleeve 11 is provided with the liquid injection port 20, the arrangement of the liquid injection port 20 can facilitate filling of the irritant liquid 9 into the filling groove 8 after the sealing sleeve 11 is installed, and the sealing performance of the structure can be guaranteed by sealing the liquid injection port 20 after the filling is finished.
The working principle is as follows: when the cold-proof polyvinyl chloride insulation flame-retardant railway signal flexible cable is used, the sealing sleeve 11 is sleeved on the outer surface of the cable body 1, the notches two 12 at two ends of the sealing sleeve 11 correspond to the notches one 10 on the cable body 1, the clamp 13 is clamped into the notches two 12 after butt joint is completed, the clamp 13 can firmly clamp the sealing sleeve 11 on the surface of the cable through the cooperation of the fastening bolt 18 and the fastening nut 19, so that the sealing installation work of the sealing sleeve 11 is completed, the irritant liquid 9 is injected into the filling groove 8 through the liquid injection port 20, the liquid injection port 20 is sealed after injection is completed, when a mouse bites the cable, the mouse bites the sealing sleeve 11, the irritant liquid 9 can overflow, so that the emitted irritant odor can repel the mouse, the damage of the mouse to the cable is reduced, and a good protection effect is achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a fire-retardant railway signal flexible cable of winter protection polyvinyl chloride insulation, includes cable body (1), its characterized in that: the cable comprises a cable body (1), wherein a fixed wire (2) is arranged in the cable body (1), a plurality of conductors (3) are arranged on the outer side of the fixed wire (2) in the cable body (1), insulating layers (4) are arranged on the outer surfaces of the conductors (3), a fireproof flame-retardant layer (5) is arranged in the cable body (1), a filling layer (6) is arranged between the inner surface of the fireproof flame-retardant layer (5) and the outer side of the insulating layers (4), an outer protective layer (7) is arranged on the outer side of the fireproof flame-retardant layer (5), a filling groove (8) is arranged on the outer surface of the cable body (1), irritant liquid (9) is arranged in the filling groove (8), a notch I (10) is arranged on the outer surface of the cable body (1), a sealing sleeve (11) is sleeved on the outer side of the cable body (1), and a notch II (12) is arranged on the sealing sleeve (11), clamp (13) have been cup jointed in notch two (12), the equal fixedly connected with fixed block (16) in open position both ends surface of clamp (13), two all be provided with intercommunication groove (17) on fixed block (16), two fastening bolt (18) have been inserted in intercommunication groove (17), threaded connection has fastening nut (19) on fastening bolt (18).
2. The cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable as claimed in claim 1, wherein: the fireproof flame-retardant layer (5) is made of glass fiber.
3. The cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable as claimed in claim 1, wherein: the outer protection layer (7) is made of polyvinyl chloride.
4. The insulated fire-retardant railway signal flexible cable of winter protection polyvinyl chloride of claim 1, characterized by: the irritant liquid (9) is an aqueous formaldehyde solution.
5. The cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable as claimed in claim 1, wherein: the inner surface of the sealing sleeve (11) and the corresponding position of the second notch (12) are in an inward convex mode, and the inward convex part of the second notch (12) and the first notch (10) are arranged in a nested fit mode.
6. The cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable as claimed in claim 1, wherein: the first notch (10), the second notch (12) and the hoop (13) are provided with two groups and are respectively arranged at two ends of the filling groove (8).
7. The cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable as claimed in claim 1, wherein: the opening part one end position fixed connection of clamp (13) has lug (14), and the clamp (13) opening part other end is provided with recess (15) with lug (14) joint complex.
8. The cold-proof polyvinyl chloride insulated flame-retardant railway signal flexible cable as claimed in claim 1, wherein: and a liquid injection port (20) is formed in the sealing sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123322452.6U CN216671216U (en) | 2021-12-27 | 2021-12-27 | Insulated flame-retardant railway signal flexible cable of winter protection polyvinyl chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123322452.6U CN216671216U (en) | 2021-12-27 | 2021-12-27 | Insulated flame-retardant railway signal flexible cable of winter protection polyvinyl chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671216U true CN216671216U (en) | 2022-06-03 |
Family
ID=81794371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123322452.6U Expired - Fee Related CN216671216U (en) | 2021-12-27 | 2021-12-27 | Insulated flame-retardant railway signal flexible cable of winter protection polyvinyl chloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671216U (en) |
-
2021
- 2021-12-27 CN CN202123322452.6U patent/CN216671216U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |