CN218274055U

CN218274055U - Cable with multilayer corrosion-resistant structure

Info

Publication number: CN218274055U
Application number: CN202221283632.XU
Authority: CN
Inventors: 张晋卫; 韩伟
Original assignee: ANHUI MINGDU ELECTRIC WIRE CO LTD
Current assignee: ANHUI MINGDU ELECTRIC WIRE CO LTD
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-01-10
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to the technical field of cables, specifically be a cable with multilayer corrosion-resistant structure, including anticorrosive structure, anticorrosive structure specifically is anticorrosion layer, anticorrosion layer comprises casing, wearing layer and insulating layer all are located the inside of casing, it has the annular groove to open between wearing layer and the insulating layer, the annular groove is the seal groove, the annular groove intussuseption is filled with nitrogen gas, the insulating layer is located the inner wall of wearing layer, the utility model discloses in based on multilayer corrosion-resistant structure, advance the location production operation to it, install it in anticorrosive structure in advance, direct use when making things convenient for the cable production adopts the mode of layering corruption simultaneously, makes things convenient for the use of different area environment, improves the compatibility of using, improves holistic corrosion resistance, facilitates the use.

Description

Cable with multilayer corrosion-resistant structure

Technical Field

The utility model relates to the technical field of cables, specifically be a cable with corrosion-resistant structure of multilayer.

Background

Cables are typically rope-like cables made by stranding a few or several groups of conductors, each group being insulated from the other and usually twisted around a center, the entire outer surface being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

Effective corrosion resistance of the cable needs to be guaranteed when the cable is used, but the material of the cable in the prior art cannot be completely manufactured based on corrosion resistance when the cable is used, so that the corrosion resistance of the cable used in different areas is different, and meanwhile, in order to prevent the situation, the cable needs to be processed and coated with a multi-layer corrosion-resistant structure on the outer wall of the cable, so that the processing steps are increased, the production efficiency of the cable is reduced, and the cable is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable with corrosion-resistant structure of multilayer to solve the problem that proposes in the above-mentioned background art.

In order to realize the above object, a cable with multilayer corrosion resistant structure, including corrosion resistant structure, corrosion resistant structure specifically is anti-corrosion coating, anti-corrosion coating comprises casing, wearing layer and insulating layer all are located the inside of casing, it has the annular groove to open between wearing layer and the insulating layer, the annular groove is the seal groove, the annular groove intussuseption is filled with nitrogen gas, the insulating layer is located the inner wall of wearing layer.

Preferably: the shell comprises an outer shell and an inner shell, the inner wall of the outer shell is fixedly connected with the wear-resistant layer, and the outer wall of the inner shell is fixedly connected with the insulating layer.

Preferably: the outer wall of the shell is connected with a sheath which is a plastic sleeve.

Preferably: the inner wall of the inner shell is connected with an armor layer, and the armor layer is a thin steel wire armor layer.

Preferably: the inner wall of the armor layer is connected with a wire core, and the wire core is a drawing cable.

Preferably, the following components: still the parcel has the rubber sleeve between shell and the inner shell, still install the support in the annular groove, the both ends of support respectively with wearing layer and insulating layer fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in based on the anticorrosive structure of multilayer, advance to it and advance line location production operation, install it in anticorrosive structure in advance, direct use when making things convenient for the cable production adopts the mode that the layering corrodes simultaneously, makes things convenient for the use of different area environment, improves the compatibility of using, improves holistic corrosion resistance, facilitates the use.

Drawings

Fig. 1 is a schematic view of the overall structure of a cable with a multilayer corrosion-resistant structure according to the present invention;

fig. 2 is a schematic structural diagram of an anti-corrosion layer of a cable with a multi-layer anti-corrosion structure according to the present invention;

fig. 3 is a schematic view of the connection structure of the cable annular groove with a multilayer corrosion-resistant structure of the present invention.

In the figure:

100. a sheath; 110. an anti-corrosion layer; 111. a housing; 112. a wear resistant layer; 113. an annular groove; 114. an insulating layer; 115. an inner shell; 116. a support; 120. an armor layer; 130. and a wire core.

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.

Example 1

Referring to fig. 1-3, which are preferred embodiments of the present invention, a cable with a multi-layer corrosion-resistant structure includes a corrosion-resistant structure, the corrosion-resistant structure is specifically a corrosion-resistant layer 110, the corrosion-resistant layer 110 is composed of a shell, a wear-resistant layer 112 and an insulating layer 114, the wear-resistant layer 112 and the insulating layer 114 are both located inside the shell, an annular groove 113 is formed between the wear-resistant layer 112 and the insulating layer 114, the annular groove 113 is a sealing groove, the annular groove 113 is filled with nitrogen, and the insulating layer 114 is located on an inner wall of the wear-resistant layer 112; the wear-resistant layer 112 is a rubber layer, the rubber has good corrosion resistance, wear resistance, water resistance and sealing performance, the problem of cable damage caused by external environmental factors is effectively solved, the nitrogen has high corrosion resistance, the wear-resistant layer 112 and the insulating layer 114 are effectively protected, and the service lives of the wear-resistant layer 112 and the insulating layer 114 are prolonged; the insulating layer 114 is specifically crosslinked polyethylene, which has excellent electrical insulating properties, becomes a thermosetting material after being crosslinked by a polymer, and has good mechanical properties and heat resistance.

The shell comprises an outer shell 111 and an inner shell 115, wherein the inner wall of the outer shell 111 is fixedly connected with a wear-resistant layer 112, and the outer wall of the inner shell 115 is fixedly connected with an insulating layer 114; the outer shell 111 and the inner shell 115 are made of the same material and are used for fixing the wear-resistant layer 112 and the insulating layer 114 and realizing the integral fixation of the anti-corrosion layer 110.

The outer wall of the outer shell 111 is connected with a sheath 100, and the sheath 100 is a plastic sleeve; the plastic sleeve has good compression resistance and corrosion resistance, low price and convenient use.

The inner wall of the inner shell 115 is connected with an armor layer 120, and the armor layer 120 is a thin steel wire armor layer 120; the thin steel wires have high density and strong compression resistance, are convenient to use underground and improve the application range.

A wire core 130 is connected to the inner wall of the armor layer 120, and the wire core 130 is a drawn cable; the drawing cable facilitates the compression of the cable, reduces the occupied area of the cable and improves the use efficiency of the cable.

Still the parcel has the rubber sleeve between shell 111 and the inner shell 115, still install support 116 in the annular groove 113, the both ends of support 116 respectively with wearing layer 112 and insulating layer 114 fixed connection, the rubber sleeve conveniently confront with the erosion resistant layer 110 and carry out the secondary and fix, improve sealed efficiency, support 116 is used for supporting annular groove 113, makes things convenient for filling into of nitrogen gas, and annular groove 113 adopts the segment structure, and the closing plate of convenient cutting is all installed to every section of support 116 promptly, can guarantee that nitrogen gas can not run out facing the closing plate cutting.

In the embodiment, when the whole cable is installed, firstly, the anti-corrosion layer 110 is installed, the wear-resistant layer 112, the bracket 116 and the insulating layer 114 are sequentially installed between the outer shell 111 and the inner shell 115, nitrogen is filled in the annular groove 113, then, rubber sleeves are installed on the outer walls of the outer shell 111 and the inner shell 115 and fixed, the sheath 100 is installed after the installation is completed, the anti-corrosion layer 110 is installed on the inner side of the sheath 100, then, the armor layer 120 is installed, the wire core 130 is installed after the armor layer 120 is installed and fixed according to a conventional method, when the cable is used, the sheath 100 and the wear-resistant layer 112 play a role in wear resistance, corrosion resistance and the like, when the cable enters the inner part, the nitrogen in the annular groove 113 plays a role in corrosion resistance, meanwhile, the insulating layer 114 plays a role in sealing and insulation, and the inner armor layer 120 plays a role in compression resistance.

The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.

Claims

1. A cable having a multi-layer corrosion resistant structure, comprising a corrosion resistant structure, characterized in that: the corrosion-resistant structure is specifically a corrosion-resistant layer (110), the corrosion-resistant layer (110) comprises a shell, a wear-resistant layer (112) and an insulating layer (114), the wear-resistant layer (112) and the insulating layer (114) are both located inside the shell, an annular groove (113) is formed between the wear-resistant layer (112) and the insulating layer (114), the annular groove (113) is a sealing groove, nitrogen is filled in the annular groove (113), and the insulating layer (114) is located on the inner wall of the wear-resistant layer (112).

2. The cable of claim 1 having a multilayer corrosion resistant structure, wherein: the shell comprises an outer shell (111) and an inner shell (115), wherein the inner wall of the outer shell (111) is fixedly connected with the wear-resistant layer (112), and the outer wall of the inner shell (115) is fixedly connected with the insulating layer (114).

3. The cable of claim 2 having a multilayer corrosion resistant structure, wherein: the outer wall of the shell (111) is connected with a sheath (100), and the sheath (100) is a plastic sleeve.

4. A cable having a multilayer corrosion resistant structure according to claim 3, wherein: the inner wall of the inner shell (115) is connected with an armor layer (120), and the armor layer (120) is a thin steel wire armor layer (120).

5. The cable of claim 4 having a multilayer corrosion resistant structure, wherein: the inner wall of the armor layer (120) is connected with a wire core (130), and the wire core (130) is a drawing cable.

6. The cable of claim 2 having a multilayer corrosion resistant structure, wherein: the rubber sleeve is further wrapped between the outer shell (111) and the inner shell (115), a support (116) is further mounted in the annular groove (113), and two ends of the support (116) are fixedly connected with the wear-resistant layer (112) and the insulating layer (114) respectively.