CN220856161U

CN220856161U - Novel molded line conductor low-voltage power cable

Info

Publication number: CN220856161U
Application number: CN202322510655.0U
Authority: CN
Inventors: 汤长江; 余健; 姜洋
Original assignee: Zhejiang Gengu Cable Co ltd
Current assignee: Zhejiang Gengu Cable Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-26
Anticipated expiration: 2033-09-15

Abstract

The utility model relates to the technical field of cables, in particular to a novel molded line conductor low-voltage power cable, which comprises a combined cable core, wherein an insulating layer, a first shielding layer, a flexible supporting layer, a second shielding layer and a wear-resistant layer are sleeved on the periphery of the combined cable core layer by layer, the flexible supporting layer is composed of a plurality of wide plates which are equidistantly arranged and a plurality of steel wire ropes connected between the wide plates, fillers are filled between the first shielding layer, the second shielding layer and the adjacent wide plates, and the steel wire ropes penetrate through the wide plates in a linear structure or a spiral structure.

Description

Novel molded line conductor low-voltage power cable

Technical Field

The utility model relates to the technical field of cables, in particular to a novel molded line conductor low-voltage power cable.

Background

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 highly insulating coating layer, the cable has the characteristics of inner power supply and outer insulation, and the cable is provided with a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and all of the cables are composed of single-strand or multi-strand wires and an insulating layer and are used for connecting circuits, electric appliances and the like;

The utility model provides a novel wire conductor low-voltage power cable which is used for solving the problems, wherein the wire conductor low-voltage power cable is characterized in that a Chinese patent publication No. CN215741034U discloses a wire conductor low-voltage power cable, impact force received by a cable body can be absorbed under the energy absorption buffer of a silica gel layer, however, excessive extrusion force can cause mutual friction of internal wires and easily cause the extrusion damage condition of the wires, the multilayer structure of the cable is made of materials easy to deform, the stretching resistance of the cable cannot be ensured, and the abnormal stretching and even fracture condition of the wire conductor low-voltage power cable are easily caused.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides a novel molded line conductor low-voltage power cable.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a novel molded line conductor low pressure power cable, includes the combination sinle silk, insulating layer, first shielding layer, flexible supporting layer, second shielding layer and wearing layer have been cup jointed to the periphery of combination sinle silk layer by layer, flexible supporting layer comprises a plurality of equidistance setting's wide scuba and a plurality of wire rope of connection between the wide scuba, all be filled with the filler between first shielding layer, second shielding layer and the adjacent wide scuba, wire rope is linear type structure or heliciform structure and runs through a plurality of wide scutches.

Preferably, the wide plate is of an annular structure, a plurality of assembly holes are formed in the edge of the wide plate at equal intervals around the circle center of the wide plate, and the aperture of each assembly hole is matched with the size of the steel wire rope.

Preferably, the first shielding layer and the second shielding layer are both copper meshes, the diameter of the first shielding layer is consistent with the inner diameter of the wide web, and the diameter of the second shielding layer is consistent with the outer diameter of the wide web.

Preferably, the filler is a soft foaming material or a high molecular polymer particle material.

Preferably, the insulating layer is made of a crosslinked polyethylene material, and the wear-resistant layer is made of a nitrile polyvinyl chloride elastomer material.

Preferably, the combined wire core is made of stranded wires, and the outermost wires are tangentially arranged with the inner wall of the insulating layer.

The utility model has the beneficial effects that: according to the novel molded line conductor low-voltage power cable, the plurality of wide plates which are arranged at equal intervals and the steel wire ropes which are connected in series between the wide plates form the flexible supporting layer, when the cable is bent, the angle of the wide plates at the bending position is changed, so that the stretching resistance and the pressure resistance of the cable are greatly improved while the flexibility of the cable is realized, the pressure loss or the stretching fracture accident of a combined wire core can be effectively prevented, and the integral performance of the cable is improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a front cut-away view of a first embodiment of a novel wire-conductor low voltage power cable of the present utility model;

FIG. 2 is a side cutaway view of a first embodiment of a novel wire conductor low voltage power cable of the present utility model;

FIG. 3 is a schematic perspective view of a flexible jacket of a first embodiment of a novel low voltage power cable with wire conductors according to the present utility model;

fig. 4 is a front cut-away view of a second embodiment of a novel wire conductor low voltage power cable of the present utility model.

In the figure: 1. a combination wire core; 2. an insulating layer; 3. a first shielding layer; 4. a flexible supporting layer; 41. a wide web; 411. a fitting hole; 42. a wire rope; 43. a filler; 5. a second shielding layer; 6. and a wear-resistant layer.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the embodiment 1, as shown in fig. 1-3, the novel wire-line conductor low-voltage power cable comprises a combined wire core 1, wherein an insulating layer 2, a first shielding layer 3, a flexible supporting layer 4, a second shielding layer 5 and a wear-resistant layer 6 are sleeved on the periphery of the combined wire core 1 layer by layer, the flexible supporting layer 4 is composed of a plurality of wide webs 41 which are equidistantly arranged and a plurality of steel wire ropes 42 connected between the wide webs 41, fillers 43 are filled between the first shielding layer 3, the second shielding layer 5 and the adjacent wide webs 41, the steel wire ropes 42 penetrate through the wide webs 41 in a linear structure, in particular, the wide webs 41 play a supporting role similar to an exoskeleton with respect to the combined wire core 1, due to the large cross-sectional area of the wide webs 41, the bearable load is relatively large, the situation that the combined wire core 1 is damaged after being pressed can be prevented, the steel wire ropes 42 form an integral structure with the cable by virtue of friction force, and the tensile force acts on the first shielding layer 3, the second shielding layer 5 and the steel wire ropes 42 greatly improve the tensile force.

The wide plates 41 are in a ring structure, the edges of the wide plates 41 are equidistantly provided with a plurality of assembly holes 411 around the circle center of the wide plates, the apertures of the assembly holes 411 are matched with the size of the steel wire ropes 42, in the embodiment, the corresponding assembly holes 411 on the adjacent wide plates 41 are positioned on the same straight line, the insertion and the manufacture are easy, the steel wire ropes 42 can be slightly larger than the aperture of the assembly holes 411 so as to increase the friction force, alternatively, concave rings can be arranged on the steel wire ropes 42 at intervals, and the concave rings are slightly larger than the assembly holes 411, so that the steel wire ropes 42 and the wide plates 41 can be prevented from excessively displacing; the first shielding layer 3 and the second shielding layer 5 are copper nets, the diameter of the first shielding layer 3 is consistent with the inner diameter of the wide plate 41, the diameter of the second shielding layer 5 is consistent with the outer diameter of the wide plate 41, and preferably, the outer wall of the first shielding layer 3 and the inner wall of the second shielding layer 5 are provided with limit pits corresponding to the wide plate 41, the limit pits are slightly larger than the thickness of the wide plate 41, so that the edge of the wide plate 41 can move within a certain range, and the first shielding layer 3 and the second shielding layer 5 can reduce the abrasion of the insulating layer 2 and the wear-resisting layer 6 caused by the movement of the wide plate 41; the filler 43 is a soft foaming material or a high polymer particle material, the soft foaming material has excellent buffering and heat preservation effects, and the high polymer particle material can deform and displace when being extruded, so that the distance between two sides of the adjacent wide webs 41 can be adjusted after the cable is bent; the insulating layer 2 is made of a crosslinked polyethylene material and has insulating and sealing effects, and the wear-resistant layer 6 is made of a nitrile polyvinyl chloride elastomer material and has excellent low temperature resistance, tear resistance and wear resistance; the combined wire core 1 is formed by twisting a plurality of wires, the outermost wires are tangential to the inner wall of the insulating layer 2, and the combined wire core 1 is tightly attached to the insulating layer 2 and has a compact structure.

In example 2, as shown in fig. 4, unlike in example 1, the wire ropes 42 penetrate a plurality of wide webs 41 in a spiral structure.

In this embodiment, the corresponding assembly holes 411 on the adjacent wide webs 41 are arranged in a staggered manner, and the staggered angles of the adjacent wide webs 41 are consistent, so that the steel wire ropes 42 can be allowed to pass through each wide web 41 in a certain spiral structure, and the plurality of steel wire ropes 42 form a structure similar to a "twist shape", so that the integrity of the flexible supporting layer 4 is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel molded line conductor low pressure power cable, includes combination sinle silk (1), its characterized in that, insulating layer (2), first shielding layer (3), flexible supporting layer (4), second shielding layer (5) and wearing layer (6) have been cup jointed to the periphery of combination sinle silk (1) layer by layer, flexible supporting layer (4) are by a plurality of equidistance wide plates (41) that set up and connect a plurality of wire ropes (42) between wide plates (41), all pack between first shielding layer (3), second shielding layer (5) and the adjacent wide plates (41) and have filler (43), wire rope (42) are linear structure or heliciform structure and run through a plurality of wide plates (41).

2. The novel molded line conductor low voltage power cable of claim 1, wherein: the wide plate (41) is of an annular structure, a plurality of assembly holes (411) are formed in the edge of the wide plate (41) at equal intervals around the circle center of the wide plate, and the aperture of the assembly holes (411) is adapted to the size of the steel wire rope (42).

3. A novel molded line conductor low voltage power cable as claimed in claim 2, wherein: the first shielding layer (3) and the second shielding layer (5) are copper nets, the diameter of the first shielding layer (3) is consistent with the inner diameter of the wide plate (41), and the diameter of the second shielding layer (5) is consistent with the outer diameter of the wide plate (41).

4. The novel molded line conductor low voltage power cable of claim 1, wherein: the filler (43) is a soft foaming material or a high molecular polymer particle material.

5. The novel molded line conductor low voltage power cable of claim 1, wherein: the insulating layer (2) is made of a crosslinked polyethylene material, and the wear-resistant layer (6) is made of a nitrile polyvinyl chloride elastomer material.

6. The novel molded line conductor low voltage power cable of claim 1, wherein: the combined wire core (1) is formed by twisting a plurality of wires, and the wires on the outermost layer are tangential to the inner wall of the insulating layer (2).