CN212847769U - Resistance to compression type cable - Google Patents

Resistance to compression type cable Download PDF

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Publication number
CN212847769U
CN212847769U CN202021095792.2U CN202021095792U CN212847769U CN 212847769 U CN212847769 U CN 212847769U CN 202021095792 U CN202021095792 U CN 202021095792U CN 212847769 U CN212847769 U CN 212847769U
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China
Prior art keywords
compression
resistant
cable
resistance
pressure
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Expired - Fee Related
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CN202021095792.2U
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Chinese (zh)
Inventor
谭震
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JIANGSU HEYANG CABLE CO Ltd
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JIANGSU HEYANG CABLE CO Ltd
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Abstract

The utility model relates to a resistance to compression type cable belongs to cable preparation technical field. The cable comprises a cable core, a core material insulating layer, a compression-resistant bracket, a compression-resistant inner sleeve, a compression-resistant outer sleeve, a rubber buffer layer, a metal armor layer and a cable outer sleeve; the utility model discloses a set up the resistance to compression support, it avoids outside compressive stress to damage to tentatively guarantee the cable core, set up resistance to compression endotheca and resistance to compression overcoat in resistance to compression support outside again, the resistance to compression strengthening rib through resistance to compression overcoat outer wall disperses outside compressive stress, tentatively divide the pressure, will receive compressive stress transmission again and give the resistance to compression slip post, the resistance to compression slip post pressurized back slides on the pressurized cambered surface, play secondary partial pressure effect, the resistance to compression overcoat is with the compressive stress after the dispersion for the resistance to compression endotheca after that, the cambered surface through the resistance to compression endotheca disperses the compressive stress transmission to each pressure dispersion arris, at this partial pressure, thereby the very big external compressive stress who applys that weakens, again under the effect of rubber buffer layer and metal armor, give the splendid compressive.

Description

Resistance to compression type cable
Technical Field
The utility model relates to a resistance to compression type cable belongs to cable preparation technical field.
Background
The cable is usually a cable similar to a rope formed by twisting several or several groups of wires (at least two in each group), each group of wires are mutually insulated and usually twisted around a center, the whole outside is wrapped with a highly-insulated covering layer, the cable is erected in the air or arranged underground or underwater and is used for telecommunication or power transmission, the cable can be divided into a power cable, a communication cable, a control cable and the like according to the application, compared with an overhead line, the cable has the advantages that the insulation distance between the wires is small, the occupied space is small, the cable is laid underground without occupying the space above the ground and is not influenced by the pollution of the surrounding environment, the power transmission reliability is high, the interference on the personal safety and the surrounding environment is avoided, and therefore, the cable is mostly applied to dense areas of population and power grids and places with busy traffic; when the cable is laid in the river, the river and the seabed, the use of large-span overhead lines can be avoided.
At present, except for the inner lead of the cable, the outer layer is almost made of rubber and plastic materials, so that the cable has certain toughness and elasticity but no good pressure resistance, and when the cable is locally subjected to large pressure, the outer layer is easy to cause indentation, even breaks the inner lead, and influences the service life of the cable.
In view of the above-mentioned drawbacks, the present designer actively makes research and innovation to create a pressure-resistant cable, so that the cable has industrial value.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a resistance to compression type cable. The utility model discloses a set up the resistance to compression support, it avoids outside compressive stress to damage to tentatively guarantee the cable core, set up resistance to compression endotheca and resistance to compression overcoat in resistance to compression support outside again, the resistance to compression strengthening rib through resistance to compression overcoat outer wall disperses outside compressive stress, tentatively divide the pressure, will receive compressive stress transmission again and give the resistance to compression slip post, the resistance to compression slip post pressurized back slides on the pressurized cambered surface, play secondary partial pressure effect, the resistance to compression overcoat is with the compressive stress after the dispersion for the resistance to compression endotheca after that, the cambered surface through the resistance to compression endotheca disperses each pressure dispersion arris with the compressive stress transmission, at this partial pressure, thereby the very big external compressive stress who applys that weakens, again under the effect of rubber buffer layer and metal armor, give the splendid compressive property of cable, wide application.
The utility model discloses a compression-resistant cable, which comprises a cable core, a core material insulating layer, a compression-resistant bracket, a compression-resistant inner sleeve, a compression-resistant outer sleeve, a rubber buffer layer, a metal armor layer and a cable outer sleeve;
the compression-resistant support comprises two compression-resistant support plates which are perpendicular to each other and arranged in a cross shape, two ends of each compression-resistant support plate are respectively provided with an arc-shaped compression panel, the two compression-resistant support plates form 4 fan-shaped channels, each fan-shaped channel is internally provided with a cable core, and the surface of the cable core (1) is coated with a core material insulating layer in a hot melting manner;
the outer side of a pressed panel of the pressure-resistant support is coated with a pressure-resistant inner sleeve through mould pressing, the pressure-resistant inner sleeve is of a regular polyhedron structure, the outer surface of the pressure-resistant inner sleeve is provided with a plurality of concave pressed cambered surfaces, and a linear pressure dispersion edge is formed at the junction of every two adjacent pressed cambered surfaces;
the outer side of the compression-resistant inner sleeve is sleeved with a compression-resistant outer sleeve, the inner wall of the compression-resistant outer sleeve is provided with a plurality of cylindrical compression-resistant sliding columns protruding outwards along the direction of a central shaft, and the outer wall of the compression-resistant outer sleeve is provided with a plurality of triangular prism-shaped compression-resistant reinforcing ribs protruding outwards along the direction of the central shaft;
the outer side of the compression-resistant outer sleeve is sleeved and coated with a rubber buffer layer;
the surface of the rubber buffer layer is coated with a metal armor layer in a compression joint mode;
and the surface of the metal armor layer is hot-melted and wrapped with a cable jacket.
Furthermore, the number of the pressure-resistant sliding columns is equal to that of the pressure-resistant cambered surfaces, the pressure-resistant sliding columns correspond to the pressure-resistant cambered surfaces one by one, and the surfaces of the pressure-resistant sliding columns are assembled on the surfaces of the pressure-resistant cambered surfaces in a contact manner.
Furthermore, the core material insulating layer is made of polyethylene materials, and the thickness of the core material insulating layer is 0.1-0.2 mm.
Furthermore, the compression-resistant support is made of polyurethane plastic through injection molding, and the thickness of the compression-resistant support plate is 1-2 mm.
Furthermore, the compression-resistant inner sleeve is made of organic silicon resin through injection molding, the vertical distance between the pressure dispersion edge and the compression-resistant inner sleeve central shaft is 6-8 mm, and the vertical distance between the bottommost part of the compression-resistant cambered surface and the compression-resistant inner sleeve central shaft is 4-5 mm.
Furthermore, the compression-resistant outer sleeve is made of a polyvinyl chloride material in an injection molding mode, the outward protruding length of the compression-resistant reinforcing ribs is 1-2 mm, and the outward protruding length of the compression-resistant sliding column is 2-3 mm.
Furthermore, the rubber buffer layer is made of polyvinyl chloride materials, and the thickness of the rubber buffer layer is 1-2 mm.
Furthermore, the metal armor layer is made of metal copper, and the thickness of the metal armor layer is 0.3-0.5 mm.
Furthermore, the cable jacket is made of a fluorinated ethylene propylene material, and the thickness of the cable jacket is 4-5 mm.
By the scheme, the invention at least has the following advantages:
the utility model discloses a set up the resistance to compression support, it avoids outside compressive stress to damage to tentatively guarantee the cable core, set up resistance to compression endotheca and resistance to compression overcoat in resistance to compression support outside again, the resistance to compression strengthening rib through resistance to compression overcoat outer wall disperses outside compressive stress, tentatively divide the pressure, will receive compressive stress transmission again and give the resistance to compression slip post, the resistance to compression slip post pressurized back slides on the pressurized cambered surface, play secondary partial pressure effect, the resistance to compression overcoat is with the compressive stress after the dispersion for the resistance to compression endotheca after that, the cambered surface through the resistance to compression endotheca disperses each pressure dispersion arris with the compressive stress transmission, at this partial pressure, thereby the very big external compressive stress who applys that weakens, again under the effect of rubber buffer layer and metal armor, give the splendid compressive property of cable, wide application.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic perspective view of a compression-resistant cable according to the present invention;
fig. 2 is a cross-sectional view of a compression-resistant cable according to the present invention;
fig. 3 is a schematic view of a three-dimensional structure of a "compression-resistant inner sleeve" in the compression-resistant cable of the present invention;
fig. 4 is a schematic perspective view of a compression-resistant jacket in the compression-resistant cable of the present invention;
fig. 5 is a schematic perspective view of a "compression-resistant bracket" in the compression-resistant cable of the present invention;
wherein, in the figure, 1, a cable core; 2. a core material insulating layer; 3. a compression-resistant support; 4. a compression-resistant inner sleeve; 5. a compression-resistant outer sleeve; 6. a rubber buffer layer; 7. a metal armor layer; 8. a cable jacket; 9. compression-resistant reinforcing ribs; 10. A compression-resistant sliding column; 11. pressure dispersion arris; 12. a pressed cambered surface; 13. a compression-resistant support plate; 14. a panel is pressed.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, a compression-resistant cable according to a preferred embodiment of the present invention includes a cable core 1 made of an oxygen-free copper material, a core insulating layer 2 made of a polyethylene material and having a thickness of 0.1mm, a compression-resistant bracket 3 made of a polyurethane plastic by injection molding, a compression-resistant inner sheath 4 made of a silicone resin by injection molding, a compression-resistant outer sheath 5, a rubber buffer layer 6 made of a polyvinyl chloride material and having a thickness of 1mm, a metal armor layer 7 made of a metal copper and having a thickness of 0.3mm, and a cable sheath 8 made of a fluorinated ethylene propylene material and having a thickness of 4 mm; the compression-resistant support 3 is composed of two compression-resistant support plates 13 which are perpendicular to each other and are arranged in a cross shape and have the thickness of 1mm, two ends of each compression-resistant support plate 13 are respectively provided with an arc-shaped compression panel 14, the two compression-resistant support plates 13 form 4 fan-shaped channels, each fan-shaped channel is internally provided with a cable core 1, the surface of each cable core 1 is hot-melted and coated with a core insulating layer 2, when the cable core is subjected to external pressure, the compression-resistant support 3 can disperse the received compression stress, and plays a role of mechanical support through the compression-resistant support plates 13, so that the internal compression resistance of the cable is improved; the outer side of a compression panel 14 of the compression bracket 3 is coated with a compression inner sleeve 4 through mould pressing, the compression inner sleeve 4 is in a regular polyhedron structure, the structure is uniformly stressed, the outer surface of the compression inner sleeve 4 is provided with a plurality of concave compression cambered surfaces 12, the cambered surface design can be matched with compression sliding columns of the compression outer sleeve to realize interlayer sliding, the compression stress is dispersed, the compression resistance is improved, a linear pressure dispersion ridge 11 is formed at the junction of every two adjacent compression cambered surfaces 12, the pressure dispersion ridge 11 can disperse the compression stress borne by the compression inner sleeve 4 and slow down the pressure, the vertical distance between the pressure dispersion ridge 11 and the central shaft of the compression inner sleeve 4 is 6mm, and the vertical distance between the bottommost part of the compression cambered surface 12 and the central shaft of the compression inner sleeve 4 is 4; the outer side of the pressure-resistant inner sleeve 4 is sleeved and coated with a pressure-resistant outer sleeve 5, the inner wall of the pressure-resistant outer sleeve 5 is provided with a plurality of cylindrical pressure-resistant sliding columns 10 protruding outwards along the direction of a central shaft, the number of the pressure-resistant sliding columns 10 is equal to that of the pressure-resistant cambered surfaces 12, the pressure-resistant sliding columns 10 correspond to the pressure-resistant cambered surfaces 12 one by one, the surfaces of the pressure-resistant sliding columns 10 are in contact assembly with the surfaces of the pressure-resistant cambered surfaces 12, the outer wall of the pressure-resistant outer sleeve 5 is provided with a plurality of triangular prism-shaped pressure-resistant reinforcing ribs 9 protruding outwards along the direction of the central shaft, the outwards protruding lengths of the pressure-resistant reinforcing; external compressive stress is dispersed through the compression-resistant reinforcing ribs 9 on the outer wall of the compression-resistant outer sleeve 5, primary partial pressure is achieved, the partial compressive stress is transmitted to the compression-resistant sliding column 10, the compression-resistant sliding column 10 slides on the compression-resistant cambered surface 12 after being compressed, a secondary partial pressure effect is achieved, and the compression resistance of the cable is further improved; the outer side of the compression-resistant outer sleeve 5 is sleeved and coated with a rubber buffer layer 6, and the rubber buffer layer 6 can lose externally generated pressure heat energy through self deformation, buffer and reduce compression stress and improve compression resistance; the surface of the rubber buffer layer 6 is crimped and coated with the metal armor layer 7, the metal armor layer 7 has high mechanical property and good compressive strength, and the compressive resistance of the cable can be improved; the surface of the metal armor layer 7 is hot-melted and coated with a cable jacket 8.
The working principle of the utility model is as follows:
the utility model discloses a set up resistance to compression support 3, it avoids outside compressive stress to damage to tentatively guarantee cable core 1, set up resistance to compression endotheca 4 and resistance to compression overcoat 5 in resistance to compression support 3 outsides, the resistance to compression strengthening rib 9 through resistance to compression overcoat 5 outer wall disperses outside compressive stress, preliminary partial pressure, will receive compressive stress transmission again and give resistance to compression sliding column 10, resistance to compression sliding column 10 slides on pressurized cambered surface 12 after the pressurized, play the secondary partial pressure effect, resistance to compression overcoat 5 will disperse the compressive stress after transmitting for resistance to compression endotheca 4 after that, cambered surface through resistance to compression endotheca 4 will compressive stress transmission dispersion to each pressure dispersion arris 11 on, partial pressure here, thereby the external applied compressive stress that weakens greatly, again under rubber buffer layer 6 and metal armor 7's effect, give the splendid compressive property of cable, wide application prospect has.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A resistance to compression type cable which characterized in that: the cable comprises a cable core (1), a core insulating layer (2), a compression-resistant support (3), a compression-resistant inner sleeve (4), a compression-resistant outer sleeve (5), a rubber buffer layer (6), a metal armor layer (7) and a cable outer sleeve (8);
the compression-resistant support (3) is composed of two compression-resistant support plates (13) which are perpendicular to each other and arranged in a cross shape, two ends of each compression-resistant support plate (13) are respectively provided with an arc-shaped compression panel (14), the two compression-resistant support plates (13) form 4 fan-shaped channels, each fan-shaped channel is internally provided with a cable core (1), and the surface of each cable core (1) is hot-melted and coated with a core material insulating layer (2);
the outer side of a pressed panel (14) of the pressure-resistant support (3) is coated with a pressure-resistant inner sleeve (4) through mould pressing, the pressure-resistant inner sleeve (4) is of a regular polyhedron structure, the outer surface of the pressure-resistant inner sleeve (4) is provided with a plurality of concave pressure-resistant cambered surfaces (12), and a linear pressure dispersion ridge (11) is formed at the junction of every two adjacent pressure-resistant cambered surfaces (12);
the outer side of the compression-resistant inner sleeve (4) is sleeved with a compression-resistant outer sleeve (5), the inner wall of the compression-resistant outer sleeve (5) is provided with a plurality of cylindrical compression-resistant sliding columns (10) protruding outwards along the direction of the central shaft, and the outer wall of the compression-resistant outer sleeve (5) is provided with a plurality of triangular prism-shaped compression-resistant reinforcing ribs (9) protruding outwards along the direction of the central shaft;
the outer side of the compression-resistant outer sleeve (5) is sleeved and coated with a rubber buffer layer (6);
the surface of the rubber buffer layer (6) is crimped and coated with a metal armor layer (7);
the surface of the metal armor layer (7) is hot-melted and wrapped with a cable jacket (8).
2. The crush-resistant cable as recited in claim 1, wherein: the number of the compression-resistant sliding columns (10) is equal to that of the compression-resistant cambered surfaces (12), the compression-resistant sliding columns (10) correspond to the compression-resistant cambered surfaces (12) one by one, and the surfaces of the compression-resistant sliding columns (10) are assembled on the surfaces of the compression-resistant cambered surfaces (12) in a contact manner.
3. The crush-resistant cable as recited in claim 1, wherein: the core material insulating layer (2) is made of polyethylene materials, and the thickness of the core material insulating layer is 0.1-0.2 mm.
4. The crush-resistant cable as recited in claim 1, wherein: the compression-resistant support (3) is made of polyurethane plastic through injection molding, and the thickness of the compression-resistant support plate (13) is 1-2 mm.
5. The crush-resistant cable as recited in claim 1, wherein: the compression-resistant inner sleeve (4) is made of organic silicon resin through injection molding, the vertical distance between the pressure dispersion edge (11) and the central shaft of the compression-resistant inner sleeve (4) is 6-8 mm, and the vertical distance between the bottommost part of the compression-resistant cambered surface (12) and the central shaft of the compression-resistant inner sleeve (4) is 4-5 mm.
6. The crush-resistant cable as recited in claim 1, wherein: the compression-resistant outer sleeve (5) is made of a polyvinyl chloride material in an injection molding mode, the outward protruding length of the compression-resistant reinforcing ribs (9) is 1-2 mm, and the outward protruding length of the compression-resistant sliding columns (10) is 2-3 mm.
7. The crush-resistant cable as recited in claim 1, wherein: the rubber buffer layer (6) is made of polyvinyl chloride materials, and the thickness of the rubber buffer layer is 1-2 mm.
8. The crush-resistant cable as recited in claim 1, wherein: the metal armor layer (7) is made of metal copper, and the thickness of the metal armor layer is 0.3-0.5 mm.
9. The crush-resistant cable as recited in claim 1, wherein: the cable jacket (8) is made of a fluorinated ethylene propylene material, and the thickness of the cable jacket is 4-5 mm.
CN202021095792.2U 2020-06-15 2020-06-15 Resistance to compression type cable Expired - Fee Related CN212847769U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021095792.2U CN212847769U (en) 2020-06-15 2020-06-15 Resistance to compression type cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021095792.2U CN212847769U (en) 2020-06-15 2020-06-15 Resistance to compression type cable

Publications (1)

Publication Number Publication Date
CN212847769U true CN212847769U (en) 2021-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021095792.2U Expired - Fee Related CN212847769U (en) 2020-06-15 2020-06-15 Resistance to compression type cable

Country Status (1)

Country Link
CN (1) CN212847769U (en)

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Granted publication date: 20210330