Cable with high corrosion resistance

Abstract

The utility model discloses a cable with strong corrosion resistance, which comprises a cable core, a reinforcing layer and a protective sleeve, a buffer medium is filled between the cable core and the reinforcing layer, a protective layer is arranged on the surface of the protective sleeve, and the protective layer comprises an insulating layer, an elastic layer, a fireproof layer, a corrosion-resistant layer and a wear-resistant layer. According to the utility model, the reinforcing layer is designed to prevent the wire from being sheared and can be used for stretching the wire, the acting force can be concentrated into the wire when the reinforcing layer is stretched, the net-shaped structure has relatively strong pulling resistance in the longitudinal direction and the transverse direction, and the corrosion-resistant layer is designed to protect the surface of the net-shaped structure, so that the service life of the net-shaped structure is prolonged. The cable provided by the utility model can prevent external corrosive liquid from corroding the wire rod, improves the safety performance of the cable by designing the buffer medium and isolating the cable cores from each other, and prevents the anti-corrosion performance from being reduced due to the wear of the anti-corrosion layer by designing the wear-resistant layer, thereby achieving the effect of long service life, and solving the problem of short service life of the existing cable.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable with strong corrosion resistance. Background Art

[0002] Cable is a conductor core made of one or more wires twisted together, with a corresponding insulation layer applied to the outside of the core and a sealed sheath wrapped around it. Cable has the advantages of small space occupation, safe and reliable power supply, low possibility of electric shock, and is beneficial to improving the power factor of the power system. The operation and maintenance are simple and convenient, which is beneficial to beautify the city and has confidentiality. It is widely used in various fields of production and life. Tensile strength is one of the important indicators to measure cable performance. Existing cables have poor corrosion resistance, which can easily affect the normal use of cables. Utility Model Content

[0003] The utility model aims to provide a cable with strong corrosion resistance and long service life, thus solving the problem of short service life of existing cables.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable with strong corrosion resistance, comprising a cable core, a reinforcement layer and a protective sleeve, a buffer medium is filled between the cable core and the reinforcement layer, a protective layer is arranged on the surface of the protective sleeve, the protective layer comprises an insulating layer, an elastic layer, a fireproof layer, a corrosion-resistant layer and a wear-resistant layer, an elastic layer is arranged on one side of the insulating layer, a fireproof layer is arranged on one side of the elastic layer, a corrosion-resistant layer is arranged on one side of the fireproof layer, and a wear-resistant layer is arranged on one side of the corrosion-resistant layer.

[0005] Preferably, the material of the buffer medium is foam rubber, and the reinforcement layer is a mesh layer woven from carbon fiber material.

[0006] Preferably, the insulating layer is made of cross-linked polyethylene polymer material, and the elastic layer is made of EPDM rubber.

[0007] Preferably, the corrosion-resistant layer includes a first anti-corrosion layer and a second anti-corrosion layer, the first anti-corrosion layer is an alkyd resin coating, and the second anti-corrosion layer is a chlorinated rubber coating.

[0008] Preferably, the material of the fireproof layer is ceramic polyolefin, and the thickness of the fireproof layer is 0.2 mm.

[0009] Preferably, the wear-resistant layer is a nano-titanium coating layer, and the thickness of the wear-resistant layer is the same as the thickness of the fireproof layer.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model can be used for wire stretching by designing a reinforcing layer to prevent the wire from shearing. When stretching the reinforcing layer, the force can be concentrated inside the wire, and the mesh structure has strong tensile resistance in the longitudinal and transverse directions. By designing a corrosion-resistant layer, the surface is protected to prevent the wire from being corroded by external corrosive liquids. By designing a buffer medium, each cable core is isolated from each other to improve the safety performance of the cable. By designing a wear-resistant layer, the corrosion-resistant layer is prevented from being worn and causing its anti-corrosion performance to decrease, thereby achieving a long service life and solving the problem of short service life of existing cables.

[0012] 2. The utility model has a fireproof layer. Under normal use conditions, the fireproof layer is soft, which ensures the bending resistance of the wire. When encountering high temperature, the ceramicized polyolefin is ceramicized to play a fire-resistant role. By designing the insulating layer, electromagnetic interference is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a front cross-sectional view of the protective layer structure of the utility model;

[0015] Figure 3 This is a front cross-sectional view of the corrosion-resistant layer structure of the utility model.

[0016] In the figure: 1. cable core; 2. reinforcement layer; 3. protective sleeve; 4. buffer medium; 5. protective layer; 51. insulation layer; 52. elastic layer; 53. fireproof layer; 54. corrosion-resistant layer; 541. first anti-corrosion layer; 542. second anti-corrosion layer; 55. wear-resistant layer. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3A cable with strong corrosion resistance comprises a cable core 1, a reinforcement layer 2 and a protective sleeve 3. A buffer medium 4 is filled between the cable core 1 and the reinforcement layer 2. The material of the buffer medium 4 is foam rubber. The reinforcement layer 2 is a mesh layer woven from carbon fiber material. Through the fireproof layer 53, under normal use conditions, the fireproof layer 53 is soft, which ensures the bending resistance of the wire. When encountering high temperature, the ceramic polyolefin is ceramicized to play a fireproof role. By designing the insulating layer 51, electromagnetic mutual interference is avoided. A protective layer 5 is arranged on the surface of the protective sleeve 3. The protective layer 5 comprises an insulating layer 51, an elastic layer 52, a fireproof layer 53, a corrosion-resistant layer 54 and a wear-resistant layer 55. The insulating layer 51 is composed of a cross-linked polyethylene polymer material. The material of the elastic layer 52 is ethylene propylene diene rubber. An elastic layer 52 is arranged on one side of the insulating layer 51. A fireproof layer 53 is arranged on one side of the elastic layer 52. The material of the fireproof layer 53 is ceramic polyolefin. The thickness of the fireproof layer 53 is 0.2 mm. One side of the fireproof layer 53 A corrosion-resistant layer 54 is provided, and the corrosion-resistant layer 54 includes a first corrosion-resistant layer 541 and a second corrosion-resistant layer 542. The first corrosion-resistant layer 541 is an alkyd resin coating, and the second corrosion-resistant layer 542 is a chlorinated rubber coating. A wear-resistant layer 55 is provided on one side of the corrosion-resistant layer 54, and the wear-resistant layer 55 is a nano-titanium coating layer. The thickness of the wear-resistant layer 55 is the same as that of the fireproof layer 53. By designing the reinforcement layer 2, the wire can be prevented from shearing and can be used for wire stretching. When the reinforcement layer 2 is stretched, the force can be concentrated to the inside of the wire, and the mesh structure has strong tensile resistance in the longitudinal and transverse directions. By designing the corrosion-resistant layer 54, its surface is protected to prevent external corrosive liquids from corroding the wire. By designing the buffer medium 4, each cable core 1 is isolated from each other to improve the safety performance of the cable. By designing the wear-resistant layer 55, the corrosion-resistant layer 54 is prevented from being worn, resulting in a reduction in its corrosion resistance, thereby achieving a long service life and solving the problem of short service life of existing cables.

[0019] When in use, the reinforcing layer 2 is designed to prevent the wire from shearing and can be used for wire stretching. When stretching the reinforcing layer 2, the force can be concentrated inside the wire, and the mesh structure has strong tensile resistance in both the longitudinal and transverse directions. The corrosion-resistant layer 54 is designed to protect its surface to prevent external corrosive liquids from corroding the wire. The buffer medium 4 is designed to isolate the cable cores 1 from each other to improve the safety performance of the cable. The wear-resistant layer 55 is designed to prevent the corrosion-resistant layer 54 from being worn and causing its anti-corrosion performance to decrease, thereby achieving a long service life and solving the problem of short service life of existing cables.

[0020] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent. In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable with strong corrosion resistance, comprising a cable core (1), a reinforcement layer (2) and a protective sheath (3), characterized in that: A buffer medium (4) is filled between the cable core (1) and the reinforcement layer (2); a protective layer (5) is provided on the surface of the protective sleeve (3); the protective layer (5) comprises an insulating layer (51), an elastic layer (52), a fireproof layer (53), a corrosion-resistant layer (54) and a wear-resistant layer (55); the insulating layer (51) is provided with an elastic layer (52) on one side, the elastic layer (52) is provided with a fireproof layer (53) on one side, the fireproof layer (53) is provided with a corrosion-resistant layer (54) on one side, and the corrosion-resistant layer (54) is provided with a wear-resistant layer (55) on one side.

2. A cable with strong corrosion resistance according to claim 1, characterized in that: The material of the buffer medium (4) is foam rubber, and the reinforcement layer (2) is a mesh layer woven from carbon fiber material.

3. A cable with strong corrosion resistance according to claim 1, characterized in that: The insulating layer (51) is made of a cross-linked polyethylene polymer material, and the elastic layer (52) is made of EPDM rubber.

4. A cable with strong corrosion resistance according to claim 1, characterized in that: The corrosion-resistant layer (54) comprises a first corrosion-resistant layer (541) and a second corrosion-resistant layer (542), wherein the first corrosion-resistant layer (541) is an alkyd resin coating, and the second corrosion-resistant layer (542) is a chlorinated rubber coating.

5. A cable with strong corrosion resistance according to claim 1, characterized in that: The material of the fireproof layer (53) is ceramic polyolefin, and the thickness of the fireproof layer (53) is 0.2 millimeters.

6. A cable with strong corrosion resistance according to claim 1, characterized in that: The wear-resistant layer (55) is a nano-titanium coating layer, and the thickness of the wear-resistant layer (55) is the same as the thickness of the fireproof layer (53).

Images