CN211879080U

CN211879080U - Polyvinyl chloride insulation control cable

Info

Publication number: CN211879080U
Application number: CN202020989673.5U
Authority: CN
Inventors: 王松; 李剑龙; 李卓龙
Original assignee: Sichuan Haoqi Cable Co ltd
Current assignee: Sichuan Haoqi Cable Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-11-06
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a polyvinyl chloride insulation control cable, including outside waterproof layer, the center of outside waterproof layer is provided with the filling layer, the both sides of filling layer top and bottom all are provided with the anti tensile steel wire of first stretch-proofing steel wire and second, the center of filling layer is provided with stranded cable copper wire, stranded the equal cladding in the outside of cable copper wire has the flame retardant coating, the outside cladding of flame retardant coating has the insulating layer, the outside cladding of insulating layer has the rubber protection layer, the outside cladding of outside waterproof layer has the anticorrosion top layer. The utility model discloses in, the device compares with traditional device, and its structure and design all have great innovation and improvement, and this polyvinyl chloride insulation control cable not only has insulating properties, and it has fire prevention, waterproof, anticorrosion structure still to design simultaneously to make the whole insulation of cable, fire prevention, waterproof and corrosion resisting property improve greatly, thereby make its work efficiency obtain improving greatly, be worth wideling popularize.

Description

Polyvinyl chloride insulation control cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a polyvinyl chloride insulated control cable.

Background

A cable is generally a rope-like cable made up of several or groups of conductors, at least two in each group, which are insulated from each other, usually twisted around a center, covered with a highly insulating covering layer, erected in the air or installed underground or underwater, the cable is used for telecommunication or power transmission, and has the difference from the common wire that the cable is large in size and complex in structure, the cable can be divided into a power cable, a communication cable, a control cable and the like according to the application, compared with the overhead line, the cable has the advantages of small insulation distance between lines, small occupied space, no space above the ground due to underground laying, no influence of surrounding environment pollution, high power transmission reliability, the interference to personal safety and surrounding environment is small, but the manufacturing cost is high, the construction and the overhaul are both troublesome, and the manufacturing is also complicated, so the cable is mostly applied to dense areas of population and power grids and places with crowded and busy traffic; when the cable is laid in rivers, rivers and the seabed, the use of large-span overhead lines can be avoided, and the cable can be used in places where the interference of the overhead lines to communication needs to be avoided and occasions where the appearance needs to be considered or the target needs to be avoided from being exposed.

The cable is an important electric power transmission device, the laying environment difference of the cable is huge, the cable is laid underground and also laid underwater, meanwhile, the cable is laid in the air, different laying environments have better requirements on the performance of the cable, but the existing device structural design has certain defects, the existing cable structural design is too simple, the fireproof insulating performance of the existing cable is relatively poor, certain risks exist in the process of erection and use, and therefore a new polyvinyl chloride insulating control cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a polyvinyl chloride insulated control cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a polyvinyl chloride insulation control cable, includes outside waterproof layer, the center of outside waterproof layer is provided with the filling layer, the both sides of filling layer top and bottom all are provided with first stretch-proofing steel wire and the anti tensile steel wire of second, the center of filling layer is provided with stranded cable copper wire, stranded the equal cladding in the outside of cable copper wire has the flame retardant coating, the outside cladding of flame retardant coating has the insulating layer, the outside cladding of insulating layer has the rubber protection layer, the outside cladding of outside waterproof layer has the anticorrosion top layer.

As a further description of the above technical solution:

the filler layer is made of a drying alkyd material.

As a further description of the above technical solution:

the first tensile steel wire and the second tensile steel wire are both made of cold-drawn spring steel wire materials.

As a further description of the above technical solution:

and the plurality of strands of cable copper wires are uniformly distributed in the center of the filling layer.

As a further description of the above technical solution:

the fire-proof layer is made of synthetic mica material.

As a further description of the above technical solution:

the insulating layer is made of polyvinyl chloride material.

The utility model discloses following beneficial effect has: 1. the utility model provides a pair of polyvinyl chloride insulated control cable compares with traditional device, the device simple structure, convenient and practical installs the stretch-proofing steel wire additional through the inside at its filling layer to make its holistic stretch-proofing performance improve greatly.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, the polyvinyl chloride insulation control cable has insulation performance, and meanwhile, a fireproof, waterproof and anti-corrosion structure is designed, so that the overall insulation, fireproof, waterproof and anti-corrosion performance of the cable is greatly improved, the working efficiency of the cable is greatly improved, and the polyvinyl chloride insulation control cable is worthy of great popularization.

Drawings

Fig. 1 is a front view structural diagram of a polyvinyl chloride insulated control cable according to the present invention;

fig. 2 is a top view structural diagram of a pvc insulated control cable according to the present invention;

fig. 3 is a structure diagram of a polyvinyl chloride insulated control cable stranded cable copper wire that the utility model provides.

Illustration of the drawings:

1. an outer waterproof layer; 2. a filling layer; 3. a cable copper wire; 4. a fire barrier layer; 5. an insulating layer; 6. protecting rubber; 7. a first stretch-resistant steel wire; 8. a second tensile steel wire; 9. an anti-corrosion surface layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 and operated in a specific 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a polyvinyl chloride insulation control cable, including outside waterproof layer 1, the center of outside waterproof layer 1 is provided with filling layer 2, the both sides of filling layer 2 top and bottom all are provided with the tensile steel wire of first stretch-proofing steel wire 7 and the tensile steel wire 8 of second, the center of filling layer 2 is provided with stranded cable copper wire 3, the equal cladding in the outside of stranded cable copper wire 3 has flame retardant coating 4, the outside cladding of flame retardant coating 4 has insulating layer 5, the outside cladding of insulating layer 5 has rubber protection layer 6, the outside cladding of outside waterproof layer 1 has anticorrosion top layer 9.

The filling layer 2 is made of dry alkyd resin material, the filling layer 2 made of dry alkyd resin material has better toughness, strong adhesive force, and good wear resistance and insulativity, the first tensile steel wire 7 and the second tensile steel wire 8 are both made of cold-drawing spring steel wire material, the first tensile steel wire 7 and the second tensile steel wire 8 made of cold-drawing spring steel wire material have better tensile property, the damage of the internal structure or the breakage of the cable caused by over-drawing in the laying process of the cable is effectively prevented, the multi-strand cable copper wires 3 are uniformly distributed in the center of the filling layer 2, the fireproof layer 4 is made of synthetic mica material, the fireproof layer 4 made of synthetic mica material has higher high temperature resistance and fireproof performance, and the large-scale spontaneous combustion of the cable in short circuit can be effectively prevented, the insulating layer 5 is made of polyvinyl chloride materials, the insulating layer 5 made of the polyvinyl chloride materials has good insulating performance, and can effectively insulate and prevent the electric leakage of the stranded cable copper wires 3 in the insulating layer.

The working principle is as follows: the utility model provides a polyvinyl chloride insulated control cable has great improvement innovation with traditional device, the center of this polyvinyl chloride insulated control cable's outside waterproof layer 1 is provided with filling layer 2, filling layer 2 made by dry alkyd resin material not only has better toughness, adhesive force is strong, and have good wearability and insulating nature, both sides at filling layer 2 top and bottom all are provided with first stretch-proofing steel wire 7 and second stretch-proofing steel wire 8, first stretch-proofing steel wire 7 and second stretch-proofing steel wire 8 that are made by cold-drawing spring steel wire material are better in stretch-proofing performance, the damage of inner structure or the fracture of cable have been prevented effectively to the cable because of overstretching in the process of laying, flame retardant coating 4 made by synthetic mica material has higher high temperature resistance and fire behavior, can effectually prevent the condition that the cable takes place extensive spontaneous combustion when the short circuit, insulating layer 5 made by the polyvinyl chloride material has fine insulating properties, and the effectual stranded cable copper wire 3 to its inside that can play insulating, anticreep effect, and the outside cladding of outside waterproof layer 1 has anticorrosion top layer 9 in addition, and anticorrosion top layer 9 can have better corrosion resisting property under extreme environment of laying, and effectual stranded cable copper wire 3 to inside has played the guard action.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a polyvinyl chloride insulation control cable, includes outside waterproof layer (1), its characterized in that: the center of outside waterproof layer (1) is provided with filling layer (2), the both sides of filling layer (2) top and bottom all are provided with first stretch-proofing steel wire (7) and second tensile steel wire (8), the center of filling layer (2) is provided with stranded cable copper wire (3), stranded the equal cladding in the outside of cable copper wire (3) has flame retardant coating (4), the outside cladding of flame retardant coating (4) has insulating layer (5), the outside cladding of insulating layer (5) has rubber protective layer (6), the outside cladding of outside waterproof layer (1) has anticorrosion top layer (9).

2. The insulated control cable of claim 1, wherein: the filling layer (2) is made of a dry alkyd resin material.

3. The insulated control cable of claim 1, wherein: the first tensile steel wire (7) and the second tensile steel wire (8) are both made of cold-drawn spring steel wire materials.

4. The insulated control cable of claim 1, wherein: the plurality of strands of cable copper wires (3) are uniformly distributed in the center of the filling layer (2).

5. The insulated control cable of claim 1, wherein: the fire-proof layer (4) is made of synthetic mica material.

6. The insulated control cable of claim 1, wherein: the insulating layer (5) is made of polyvinyl chloride material.