CN113628791A - Anti-interference cable convenient to install and used for subway - Google Patents

Anti-interference cable convenient to install and used for subway Download PDF

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Publication number
CN113628791A
CN113628791A CN202010373091.9A CN202010373091A CN113628791A CN 113628791 A CN113628791 A CN 113628791A CN 202010373091 A CN202010373091 A CN 202010373091A CN 113628791 A CN113628791 A CN 113628791A
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CN
China
Prior art keywords
layer
cable
wall
subway
groups
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Pending
Application number
CN202010373091.9A
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Chinese (zh)
Inventor
王长顶
王志
倪健
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Yangzhou Zhixin Electronic Technology Co ltd
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Yangzhou Zhixin Electronic Technology Co ltd
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Publication date
Application filed by Yangzhou Zhixin Electronic Technology Co ltd filed Critical Yangzhou Zhixin Electronic Technology Co ltd
Priority to CN202010373091.9A priority Critical patent/CN113628791A/en
Publication of CN113628791A publication Critical patent/CN113628791A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1805Protections not provided for in groups H01B7/182 - H01B7/26

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  • Insulated Conductors (AREA)

Abstract

The invention discloses an anti-interference cable for subway convenient to install, which belongs to the technical field of cables and comprises a wrapping layer, wherein four groups of inner shielding layers are arranged in the inner cavity of the wrapping layer, an insulating layer is arranged in the inner cavity of each inner shielding layer, conductors are arranged in the inner cavity of each insulating layer, four groups of supporting devices are uniformly arranged on the outer wall of the wrapping layer, outer shielding layers are sleeved on the outer walls of the four groups of supporting devices, a flame-retardant waterproof layer is sleeved on the outer wall of each outer shielding layer, an outer protective layer is sleeved on the outer wall of the flame-retardant waterproof layer, the cable is protected by the device through double shielding effects of the inner shielding layers and the outer shielding layers, the cable is ensured not to be interfered by the outside, the inner conductors of the cable are separated by the inner shielding layers, mutual interference among the inner conductors of the cable is avoided, the normal use of the cable is ensured, and the supporting devices have certain buffering and force-unloading effects through the expansion of a moving block in the inner cavity of a moving groove, the overall compression-resistant effect of the cable is improved.

Description

Anti-interference cable convenient to install and used for subway
Technical Field
The invention relates to the technical field of cables, in particular to an anti-interference cable convenient to install and used for a subway.
Background
Along with the continuous development of science and technology, urban rail transit is gradually popularized and used, cables need to be used in urban rail transit for transmitting electric energy, magnetic energy or information and the like, when the existing cables convenient to install are used in subways, the cables can be interfered by the outside, however, if the anti-interference capacity of the cables is poor, the normal use of the cables in subways can be influenced, the operation of the subways is influenced, and therefore the anti-interference type cables convenient to install for the subways are provided.
Disclosure of Invention
The invention aims to provide an anti-interference cable convenient to install for a subway, and the anti-interference cable is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anti-interference type cable is used to subway convenient to installation, includes around the covering, be provided with four internal shield layers of group around the covering inner chamber, internal shield layer inner chamber is provided with the insulating layer, the insulating layer inner chamber is provided with the conductor, evenly be provided with four strutting arrangement of group around the covering outer wall, four groups the strutting arrangement outer wall has cup jointed outer shielding layer, outer shielding layer outer wall has cup jointed fire-retardant waterproof layer, fire-retardant waterproof layer outer wall has cup jointed the outer jacket.
Preferably, the supporting device comprises a supporting block fixedly connected with the outer wall of the wrapping layer, a moving groove is formed in the outer wall of one side, away from the wrapping layer, of the supporting block, a moving block is inserted into an inner cavity of the moving groove, and one end, away from the supporting block, of the moving block is fixedly connected with the inner wall of the outer shielding layer.
Preferably, the outer walls of the left side and the right side of the moving block are in sliding connection with the inner walls of the left side and the right side of the moving groove, and the width of the vertical section of the moving groove is gradually reduced from outside to inside.
Preferably, the outer wall of the outer protective layer is uniformly provided with six groups of reinforcing strips, and the six groups of reinforcing strips are arranged in an annular array.
Preferably, the outer protective layer is a fluoroplastic outer protective layer, and the outer wall of the outer protective layer is provided with an ant-preventing agent.
Preferably, the wrapping layer is fire-retardant wrapping layer, and the thickness of the vertical section of the wrapping layer is one centimeter.
Compared with the prior art, the invention has the beneficial effects that:
1. the device protects the cable by double shielding effects of the inner shielding layer and the outer shielding layer, so that the cable is prevented from being interfered by the outside, and the inner shielding layer separates the inner conductors of the cable, so that the mutual interference among the inner conductors of the cable is avoided, and the normal use of the cable is ensured;
2. the movable block stretches in the inner cavity of the moving groove, so that the supporting device has a certain buffering and force-unloading effect, the overall compression-resistant effect of the cable is improved, the outer shielding layer and the wrapping layer are separated to form a cavity by the supporting device, the influence on the inside of the cable when the cable is pressed is reduced, and the service life of the cable is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the external structure of the present invention.
In the figure: 1. wrapping a covering; 2. an inner shield layer; 3. an insulating layer; 4. a conductor; 5. a support device; 51. a support block; 52. a moving block; 53. a moving groove; 6. an outer shield layer; 7. a flame-retardant waterproof layer; 8. an outer jacket; 9. a reinforcing strip.
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.
The invention provides a technical scheme that: an anti-interference cable convenient to install for a subway is disclosed, please refer to fig. 1, and comprises a wrapping layer 1;
referring to fig. 1 and 2, four groups of inner shielding layers 2 are arranged in an inner cavity of a winding layer 1, each inner shielding layer 2 is composed of a copper strip, the copper strips are wound on the outer wall of an insulating layer 3 to achieve an anti-interference effect, the cable is prevented from being influenced by the outside, conductors 4 in the cable are separated, mutual interference among conductors 4 in the cable is avoided, and the normal use of the cable is ensured;
referring to fig. 1 and 2, four groups of supporting devices 5 are uniformly arranged on the outer wall of a wrapping layer 1, the supporting devices 5 are arranged along the length direction of a cable and have the same length as the cable, an outer shielding layer 6 is sleeved on the outer walls of the four groups of supporting devices 5, the outer shielding layer 6 is formed by weaving anaerobic copper wires, the anti-interference capability of the cable is further improved, the cable is ensured not to be interfered by the outside, the normal use of the cable is ensured, the outer shielding layer 6 formed by weaving the anaerobic copper wires also plays a role of an armor layer, the integral strength of the cable is improved, a flame-retardant waterproof layer 7 is sleeved on the outer wall of the outer shielding layer 6, the flame-retardant waterproof layer 7 is composed of a low-smoke halogen-free water-blocking high-flame-retardant tape, the flame-retardant waterproof effect is achieved, the inside of the cable is protected, an outer protective layer 8 is sleeved on the outer wall of the flame-retardant waterproof layer 7, the outer protective layer is a fluoroplastic outer protective layer, and the damage of organisms such as mice and the like in a subway channel is prevented through the fluoroplastic outer protective layer, the outer wall of the outer protective layer 8 is provided with the termite-proof agent, the termite-proof agent is added in the material of the outer protective layer 8, and is capsaicin, so that the oral mucosa and olfactory nerves of the rodent can be strongly stimulated to be chewed and cut, and simultaneously, the termite can be killed, and the cable has the advantages of double functions, no toxicity, environmental protection, no pollution, high content of effective ingredients, small addition amount, long effective period, increased cable termite and rat damage prevention effect and prolonged service life;
referring to fig. 1 and 2, the supporting device 5 includes a supporting block 51 fixedly connected to the outer wall of the wrapping layer 1, a moving groove 53 is formed in the outer wall of the supporting block 51 away from the outer wall of the wrapping layer 1, a moving block 52 is inserted into the inner cavity of the moving groove 53, one end of the moving block 52 away from the supporting block 51 is fixedly connected to the inner wall of the outer shielding layer 6, the moving block 52 extends and retracts in the inner cavity of the moving groove 53, so that the supporting device 5 has a certain buffering and force-releasing effect, the overall compressive resistance effect of the cable is increased, the supporting device 5 separates the outer shielding layer 6 from the wrapping layer 1 to form a cavity, the influence on the inside of the cable when the cable is compressed is reduced, the service life of the cable is prolonged, the outer walls on the left side and the right side of the moving block 52 are slidably connected to the inner walls on the left side and the right side of the moving groove 53, the width of the vertical section of the moving groove 53 is gradually reduced from outside to inside, and the front and back sides of the moving groove 53 are open, when the moving block 52 moves into the inner cavity of the moving groove 53, the supporting blocks 51 are extruded towards the left side and the right side, the supporting blocks 51 are compressed, and after the external pressure disappears, the supporting blocks 51 can reset to the inner side and approach to each other, so that the moving block 52 can reset conveniently, and the moving block 52 and the supporting blocks 51 are made of rubber;
referring to fig. 1 and 2, the outer wall of the outer sheath 8 is uniformly provided with reinforcing strips 9, the reinforcing strips 9 are fixedly connected with the outer sheath 8, the reinforcing strips 9 are made of rubber, the strength of the cable is enhanced, the anti-pulling capability of the cable is improved, and when the cable is pulled, the contact area between the outer wall of the cable and the ground is reduced, the abrasion degree of the outer wall of the cable is reduced, the service life of the cable is prolonged, the number of the reinforcing strips 9 is six, and the six groups of reinforcing strips 9 are arranged in a ring array;
referring to fig. 1 and 2, the wrapping layer 1 is a flame-retardant wrapping layer, the flame-retardant wrapping layer is a mica flame-retardant tape wrapping layer, a flame-retardant effect is achieved, the cable is protected, and the thickness of the vertical section of the wrapping layer 1 is one centimeter.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an anti-interference type cable is used to subway convenient to installation, includes around covering (1), its characterized in that: the cable is characterized in that four groups of inner shielding layers (2) are arranged in an inner cavity of the winding layer (1), an insulating layer (3) is arranged in the inner cavity of the inner shielding layer (2), a conductor (4) is arranged in the inner cavity of the insulating layer (3), four groups of supporting devices (5) are uniformly arranged on the outer wall of the winding layer (1), an outer shielding layer (6) is sleeved on the outer wall of each supporting device (5), a flame-retardant waterproof layer (7) is sleeved on the outer wall of each outer shielding layer (6), and an outer protective layer (8) is sleeved on the outer wall of each flame-retardant waterproof layer (7).
2. The convenient-to-install anti-interference cable for the subway, according to claim 1, is characterized in that: the supporting device (5) comprises a supporting block (51) fixedly connected with the outer wall of the wrapping layer (1), a moving groove (53) is formed in the outer wall of one side, away from the wrapping layer (1), of the supporting block (51), a moving block (52) is inserted into the inner cavity of the moving groove (53), and one end, away from the supporting block (51), of the moving block (52) is fixedly connected with the inner wall of the outer shielding layer (6).
3. The convenient-to-install anti-interference cable for the subway, according to claim 2, is characterized in that: the outer walls of the left side and the right side of the moving block (52) are in sliding connection with the inner walls of the left side and the right side of the moving groove (53), and the width of the vertical section of the moving groove (53) is gradually reduced from outside to inside.
4. The convenient-to-install anti-interference cable for the subway, according to claim 1, is characterized in that: the outer wall of the outer protective layer (8) is uniformly provided with reinforcing strips (9), six groups of the reinforcing strips (9) are arranged, and the six groups of the reinforcing strips (9) are arranged in an annular array.
5. The convenient-to-install anti-interference cable for the subway, according to claim 1, is characterized in that: the outer protective layer (8) is a fluoroplastic outer protective layer, and an ant-preventing agent is arranged on the outer wall of the outer protective layer (8).
6. The convenient-to-install anti-interference cable for the subway, according to claim 1, is characterized in that: the flame-retardant winding covering is characterized in that the winding covering (1) is flame-retardant, and the vertical section of the winding covering (1) is one centimeter in thickness.
CN202010373091.9A 2020-05-06 2020-05-06 Anti-interference cable convenient to install and used for subway Pending CN113628791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010373091.9A CN113628791A (en) 2020-05-06 2020-05-06 Anti-interference cable convenient to install and used for subway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010373091.9A CN113628791A (en) 2020-05-06 2020-05-06 Anti-interference cable convenient to install and used for subway

Publications (1)

Publication Number Publication Date
CN113628791A true CN113628791A (en) 2021-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010373091.9A Pending CN113628791A (en) 2020-05-06 2020-05-06 Anti-interference cable convenient to install and used for subway

Country Status (1)

Country Link
CN (1) CN113628791A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937521A (en) * 2022-05-18 2022-08-23 佛山市华辉电源线材有限公司 Low-smoke halogen-free environment-friendly power line and production equipment thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937521A (en) * 2022-05-18 2022-08-23 佛山市华辉电源线材有限公司 Low-smoke halogen-free environment-friendly power line and production equipment thereof
CN114937521B (en) * 2022-05-18 2023-10-24 佛山市华辉电源线材有限公司 Low-smoke halogen-free environment-friendly power line and production equipment thereof

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Application publication date: 20211109