CN212809855U - Tensile and torsion-resistant special cable - Google Patents

Abstract

The utility model provides a tensile resistant warp special type cable, including skeleton one, be equipped with a plurality of sinle silk one and insulated wire rope in the inside of skeleton one, sinle silk one includes soft wire rope, weaves copper conductor and insulating layer one, is equipped with skeleton two in the outside of skeleton one, is equipped with a plurality of sinle silk two in the inside of skeleton two, and the inside of sinle silk two is equipped with conductor and insulating layer two, and the equal interval of a plurality of sinle silk second grade and same direction arrange in the outside of skeleton one, and the outside of skeleton two cladding has insulating layer, kavala fibre weaving layer, aluminium-plastic composite band inoxidizing coating and elastomer outer jacket in proper order; the elastic body outer protection layer comprises an outer protection layer, an inner protection layer and a plurality of elastic bodies arranged between the outer protection layer and the inner protection layer, and two ends of each elastic body are respectively abutted against the inner side wall of the outer protection layer and the outer side wall of the inner protection layer and are in contact with the flexible supporting block; the utility model has the advantages of stable structure, uneasy loosing strands, repeated bending and dragging without deformation.

Description

Tensile and torsion-resistant special cable

Technical Field

The utility model relates to the technical field of cables, indicate a tensile resistant distortion special type cable especially.

Background

The existing cable has poor anti-distortion and anti-extrusion memory tensile capacity when in use, is easy to have the problems of distortion deformation, sheath cracking, insulated wire core fracture and the like, and the service life is seriously shortened. Therefore, the utility model provides a special cable of resistant distortion of tensile to solve the problem that above-mentioned exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's shortcoming, provide a special cable of resistant distortion of tensile.

In order to solve the technical problem, the utility model provides a following technical scheme: a tensile and torsion-resistant special cable comprises a first framework, wherein a plurality of first wire cores and an insulating steel wire rope are arranged inside the first framework, the first wire cores comprise soft steel wire ropes, braided copper conductors and insulating layers I, a second framework is arranged outside the first framework, a plurality of second wire cores are arranged inside the second framework, conductors and insulating layers II are arranged inside the second wire cores, the second wire cores are arranged at equal intervals and in the same direction outside the first framework, and a heat insulation layer, a Kevlar fiber braided layer, an aluminum-plastic composite belt protective layer and an elastomer outer protective layer are sequentially coated outside the second framework;

the elastomer outer jacket includes outer jacket, interior sheath and sets up a plurality of elastomers between outer jacket and the interior sheath, the both ends of elastomer butt respectively the inside wall of outer jacket and the lateral wall of interior sheath to with the contact of flexible supporting shoe.

As an optimal technical scheme of the utility model, every the both ends head of elastomer all is equipped with two flexible supporting shoes, forms a cavity of placing the elastomer between two flexible supporting shoes, and flexible supporting shoe has elasticity.

As an optimized technical proposal of the utility model, the elastic connecting piece is transversely arranged in the middle of the inside of the elastic body.

As an optimized technical scheme of the utility model, the insulating layer is cellular structure.

As a preferred technical scheme of the utility model, outer jacket and interior sheath are all made by thermoplastic elastomer material.

The utility model discloses the beneficial effect who reaches is:

1. the utility model provides a tensile and torsion-resistant special cable, which is characterized in that a conductor part of a wire core I is arranged into a braided copper conductor with a soft steel wire rope, and an insulated steel wire rope is arranged in the middle of the wire core I, so that the tensile and bending-resistant and torsion-resistant performances of the cable are greatly improved;

2. the honeycomb-shaped heat insulation layer has a certain buffering effect when the cable is extruded or twisted, so that the compression resistance and torsion resistance of the cable are improved, and in addition, the honeycomb-shaped design is one-layer, so that the auxiliary compression resistance and interference resistance can be realized, and the safety and the environmental protection are realized;

3. the aluminum-plastic composite belt protective layer is added outside the Kevlar fiber braided layer, so that the shielding performance of the cable can be further improved, and the internal shielding layer can be protected, thereby greatly reducing the possibility of moisture absorption and oxidation of the shielding layer of the utility model, and ensuring the long-term and high-efficiency shielding effect of the cable;

4. the elastomer outer protective layer is made of high-quality thermoplastic elastomer materials, so that the elastomer outer protective layer has excellent resilience, flexibility, good electrical property, mechanical and physical properties and weather resistance;

5. through the arranged elastic body and the elastic connecting piece transversely arranged in the middle of the interior of the elastic body, when the elastic body is subjected to extrusion force, the reset elastic force is provided for the cable, so that the cable core is protected, and the pressure resistance of the cable is improved; when the external force causes the cable to generate a twisting acting force, the elastic body slides in the cavity between the two flexible supporting blocks, so that the cable core is kept still, namely the cable core is not influenced by the twisting force, and the cable has the function of resisting the twisting force;

6. to sum up, the utility model provides a stretch-proof warp-resistant special cable stable in structure, should not loosen the thigh, can relapse through crooked, pull indeformable to prolong its life.

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the elastomer outer sheath of the present invention;

FIG. 3 is a schematic view of the structure of the elastomer of the present invention;

reference numbers in the figures: 1. an insulated wire rope; 2. a soft wire rope; 3. weaving a copper conductor; 4. a first insulating layer; 5. a conductor; 6. a second insulating layer; 7. a thermal insulation layer; 8. a kevlar fiber braid layer; 9. a protective layer of the aluminum-plastic composite belt; 10. an elastomer outer jacket; 11. an outer jacket; 12. an inner protective layer; 13. an elastomer; 14. a flexible support block; 15. an elastic connecting piece.

Detailed Description

The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1-3, the utility model provides a tensile resistant warp special cable, including skeleton one, be equipped with a plurality of sinle silk one and insulating wire rope 1 in the inside of skeleton one, sinle silk one includes soft wire rope 2, weaves copper conductor 3 and insulating layer 4, is equipped with skeleton two in the outside of skeleton one, is equipped with a plurality of sinle silk two in the inside of skeleton two, and the inside of sinle silk two is equipped with conductor 5 and insulating layer two 6, and the equidistant and same direction arrangement in the outside of skeleton one of a plurality of sinle silk two, and the outside of skeleton two has cladding in proper order that insulating layer 7, kavala fibre weaving layer 8, aluminium-plastic composite band inoxidizing coating 9 and elastomer outer jacket 10;

the flexible steel wire rope 2, the braided copper conductor 3 and the insulated steel wire rope 1 form a conductor part of a wire core, so that the tensile, bending and torsion resistance of the cable is greatly improved;

the aluminum-plastic composite belt protective layer 9 can further improve the shielding performance of the cable and can also protect the internal shielding layer, thereby greatly reducing the possibility of moisture absorption and oxidation of the shielding layer of the utility model and ensuring the long-term and high-efficiency shielding effect of the cable;

the elastomer outer protection layer 10 comprises an outer protection layer 11, an inner protection layer 12 and a plurality of elastomers 13 arranged between the outer protection layer 11 and the inner protection layer 12, wherein two ends of each elastomer 13 are respectively abutted against the inner side wall of the outer protection layer 11 and the outer side wall of the inner protection layer 12 and are in contact with the flexible supporting blocks 14;

when the cable is subjected to extrusion force, the elastic bodies 13 provide reset elasticity for the cable, so that the cable core is protected, and the pressure resistance of the cable is improved; and when the external force makes the cable produce the effort of distortion, elastomer 13 slides in the cavity between two flexible supporting shoes 14 to make the cable core keep motionless, can not receive the effort of distortion, thus make the cable have the effect of anti-distortion.

Furthermore, two flexible supporting blocks 14 are arranged at two ends of each elastic body 13, a cavity for placing the elastic body 13 is formed between the two flexible supporting blocks 14, and the flexible supporting blocks 14 have elasticity.

Further, an elastic connecting piece 15 is transversely arranged in the middle of the inner part of the elastic body 13.

Furthermore, the thermal insulation layer 7 is of a honeycomb structure, has a certain buffering effect when the cable is extruded or twisted, improves the compression resistance and torsion resistance of the cable, and has a layer-by-layer honeycomb design, so that auxiliary compression resistance and interference resistance can be realized, and the thermal insulation layer is safe and environment-friendly.

Further, the outer sheath layer 11 and the inner sheath layer 12 are both made of thermoplastic elastomer materials, and have excellent rebound resilience, flexibility, good electrical properties, mechanical and physical properties and weather resistance.

The above embodiments are merely to describe the preferred embodiments of the present invention, and are not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims (5)

1. The tensile and torsion-resistant special cable is characterized by comprising a first framework, wherein a plurality of first wire cores and an insulating steel wire rope (1) are arranged inside the first framework, the first wire cores comprise soft steel wire ropes (2), braided copper conductors (3) and insulating layers (4), a second framework is arranged outside the first framework, a plurality of second wire cores are arranged inside the second framework, conductors (5) and insulating layers (6) are arranged inside the second wire cores, the second wire cores are arranged at equal intervals and in the same direction outside the first framework, and a heat insulation layer (7), a Kevlar fiber braided layer (8), an aluminum-plastic composite belt protective layer (9) and an elastomer outer protective layer (10) are sequentially coated outside the second framework;

the elastomer outer jacket (10) include outer jacket (11), interior sheath (12) and set up a plurality of elastomers (13) between outer jacket (11) and interior sheath (12), the both ends of elastomer (13) butt respectively the inside wall of outer jacket (11) and the lateral wall of interior sheath (12) to contact with flexible supporting shoe (14).

2. The special cable with tensile strength and torsion resistance as claimed in claim 1, wherein two flexible supporting blocks (14) are arranged at two ends of each elastic body (13), a cavity for placing the elastic body (13) is formed between the two flexible supporting blocks (14), and the flexible supporting blocks (14) have elasticity.

3. A special cable as claimed in claim 1, wherein the elastic connecting piece (15) is transversely arranged in the middle of the elastic body (13).

4. A special cable as claimed in claim 1, characterized in that the insulation layer (7) is of a honeycomb structure.

5. A special cable as claimed in claim 1, characterized in that the outer sheath (11) and the inner sheath (12) are made of thermoplastic elastomer material.

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