CN212847815U

CN212847815U - Polyvinyl chloride protective sleeve for electrical aluminum alloy conductor cable

Info

Publication number: CN212847815U
Application number: CN202021996303.0U
Authority: CN
Inventors: 林朝前
Original assignee: Sichuan Wan Yang Cable Co ltd
Current assignee: Sichuan Wan Yang Cable Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-03-30
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a polyvinyl chloride lag for electrician's level aluminum alloy conductor cable, including the lag body, lag body suit is at the cable outer wall, be equipped with the mica layer between lag body and the cable, lag body inner wall is equipped with first inoxidizing coating, lag body outer wall is equipped with the second inoxidizing coating, be equipped with the phenol-formaldehyde resin layer between first inoxidizing coating and the second inoxidizing coating, be equipped with the armor between second inoxidizing coating and the phenol-formaldehyde resin layer, be equipped with the glass silk layer between first inoxidizing coating and the phenol-formaldehyde resin layer, do not possess the lag with current cable core line of hopeing for solving, protective properties is relatively poor, and heat-resisting and flame retardant property are not good, the result of use's of cable.

Description

Polyvinyl chloride protective sleeve for electrical aluminum alloy conductor cable

Technical Field

The utility model relates to a cable protection cover, more specifically the utility model discloses mainly relate to a polyvinyl chloride lag for electrician's level aluminum alloy conductor cable.

Background

The cable is usually made of one or more mutually insulated conductors and an outer insulating protective layer, and a wire for transmitting power or information from one place to another belongs to an important tool essential for power assumption and information transmission and also belongs to a common article in life of people.

Among the cables are power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

At present, a polyvinyl chloride insulating polyvinyl chloride sheath control cable is mainly used in occasions such as monitoring loops and protection circuits, and the copper strip shielding is adopted, so that the shielding effect is good, the cable can be laid in indoor places, cable trenches, pipelines and other fixed occasions requiring shielding, but the existing cable core wire does not have a protective sheath, the protective performance is poor, the heat resistance and the flame retardant property are poor, and the using effect of the cable is reduced.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to solve above-mentioned not enough, provide a polyvinyl chloride lag for electrician's level aluminum alloy conductor cable to it does not possess the lag to expect to solve current cable conductor, and protective properties is relatively poor, and heat-resisting and flame retardant property are not good, has reduced the result of use's of cable problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a polyvinyl chloride lag for electrician's level aluminum alloy conductor cable, including the lag body, lag body suit is at the cable outer wall, the lag body with be equipped with the mica layer between the cable, lag body inner wall is equipped with first inoxidizing coating, lag body outer wall is equipped with the second inoxidizing coating, first inoxidizing coating with be equipped with the phenolic resin layer between the second inoxidizing coating, the second inoxidizing coating with be equipped with the armor between the phenolic resin layer, first inoxidizing coating with be equipped with the glass silk layer between the phenolic resin layer.

Preferably, the further technical scheme is as follows: the outer wall of the protective sleeve body is provided with a waterproof layer, and a flame-retardant film is arranged between the waterproof layer and the second protective layer.

The further technical scheme is as follows: the first protective layer and the second protective layer are made of polyvinyl chloride resin materials respectively.

The further technical scheme is as follows: and a fireproof layer is arranged between the mica layer and the first protective layer.

The further technical scheme is as follows: the fire-proof layer is made of halogen-free low-smoke flame-retardant polyolefin.

The further technical scheme is as follows: the armor layer is an aluminum foil layer.

Compared with the prior art, one of the beneficial effects of the utility model is that: the cable is sleeved with the protective sleeve to improve the heat resistance, flame retardance and insulation performance of the cable through the protective sleeve, and the mica layer is arranged between the protective sleeve body and the cable to improve the fire resistance and high temperature resistance of the cable through the mica layer to improve the use stability of the cable at high temperature; the first protective layer is arranged on the inner wall of the protective sleeve body, the second protective layer is arranged on the outer wall of the protective sleeve body, and the first protective layer and the second protective layer are made of polyvinyl chloride resin materials respectively, so that the heat resistance, toughness and ductility of the first protective layer and the second protective layer are improved, and the flame retardant property and the insulating property of the first protective layer and the second protective layer are improved; through set up the phenolic resin layer between first inoxidizing coating and second inoxidizing coating for improve the stability of the bonding between first inoxidizing coating and the second inoxidizing coating, improve the antifriction performance and the fire resistance of lag body simultaneously, tightly bond between first inoxidizing coating and phenolic resin layer through with the glass silk layer, be used for improving thermal-insulated, high temperature resistant, corrosion-resistant and insulating properties of lag body, improve the heat-resisting and fire behaviour of cable.

Drawings

Fig. 1 is a schematic structural diagram illustrating a cross section of a polyvinyl chloride protective sheath for electrical grade aluminum alloy conductor cables according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic structural view illustrating a cross section of a protective cover body according to another embodiment of the present invention.

In the figure, 1 is a protective sleeve body, 2 is a cable, 3 is a mica layer, 4 is a first protective layer, 5 is a second protective layer, 6 is a phenolic resin layer, 7 is an armor layer, 8 is a glass fiber layer, 9 is a waterproof layer, and 10 is a fireproof layer.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, an embodiment of the present invention is a polyvinyl chloride protective cover for electrical aluminum alloy conductor cable, comprising a protective cover body 1, wherein the protective cover body 1 is sleeved on the outer wall of a cable 2, for protecting the cable 2 by the protective cover body 1, and improving the heat resistance, flame retardancy and insulation performance of the cable 2, and a mica layer 3 is disposed between the protective cover body 1 and the cable 2, the mica layer 3 is attached to the surface of the cable 2, for improving the fire resistance and high temperature resistance of the cable 2 through the mica layer 3, and improving the stability of the cable 2 used at high temperature, a first protective layer 4 is disposed on the inner wall of the protective cover body 1, the first protective layer 4 is attached to the mica layer 3, for improving the fire resistance and high temperature resistance of the protective cover body 1 through the first protective layer 4, meanwhile, a second protective layer 5 is arranged on the outer wall of the protective sleeve body 1 and used for improving the fire resistance and high temperature resistance of the protective sleeve body 1 through the second protective layer 5, a phenolic resin layer 6 is arranged between the first protective layer 4 and the second protective layer 5 and used for improving the bonding stability between the first protective layer 4 and the second protective layer 5 through the phenolic resin layer 6 and improving the friction resistance and fire resistance of the protective sleeve body 1, an armor layer 7 is arranged between the second protective layer 5 and the phenolic resin layer 6, the armor layer 7 is tightly bonded between the second protective layer 5 and the phenolic resin layer 6 and used for improving the high temperature resistance and fire resistance of the protective sleeve body 1, a glass fiber layer 8 is arranged between the first protective layer 4 and the phenolic resin layer 6, and the glass fiber layer 8 is tightly bonded between the first protective layer 4 and the phenolic resin layer 6, the glass fiber layer 8 is used for improving the heat insulation, high temperature resistance, corrosion resistance and insulation performance of the protective sleeve body 1.

Referring to fig. 2, in another embodiment of the present invention, the outer wall of the protecting jacket body 1 is provided with a waterproof layer 9 for improving the waterproof performance of the protecting jacket through the waterproof layer 9, and improving the waterproof performance of the aluminum alloy conductor cable 2, and a flame retardant film is provided between the waterproof layer 9 and the second protecting layer 5, and the flame retardant film is tightly attached between the waterproof layer 9 and the second protecting layer 5 for improving the high temperature resistance and the fireproof performance of the protecting jacket body 1.

Referring to fig. 2, in another embodiment of the present invention, the first protective layer 4 and the second protective layer 5 are made of pvc resin respectively, so as to improve the heat resistance, toughness and ductility of the first protective layer 4 and the second protective layer 5, and improve the flame retardant property and the insulating property of the first protective layer 4 and the second protective layer 5.

Referring to fig. 1 and 2, in another embodiment of the present invention, a fire-proof layer 10 is disposed between the mica layer 3 and the first protective layer 4 for improving the fire-proof performance of the cable 2 through the fire-proof layer 10, and the fire-proof layer 10 is made of a halogen-free low-smoke flame-retardant polyolefin material, which has low-smoke, halogen-free, low-toxicity and flame-retardant properties.

Referring to fig. 1 and fig. 2, in another embodiment of the present invention, the armor layer 7 is made of aluminum foil for improving the strength, high temperature resistance, low temperature resistance, and moisture and water resistance of the protective sheath body 1 through the aluminum foil layer, and improving the protection quality of the cable 2.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a polyvinyl chloride lag for electrician's level aluminum alloy conductor cable, includes lag body (1), its characterized in that: the utility model discloses a cable protection protective sleeve, including protection cover body (1), protection cover body (1) and be equipped with mica layer (3) between cable (2), protection cover body (1) inner wall is equipped with first inoxidizing coating (4), protection cover body (1) outer wall is equipped with second inoxidizing coating (5), first inoxidizing coating (4) with be equipped with phenolic resin layer (6) between second inoxidizing coating (5), second inoxidizing coating (5) with be equipped with armor (7) between phenolic resin layer (6), first inoxidizing coating (4) with be equipped with glass silk layer (8) between phenolic resin layer (6).

2. A polyvinyl chloride protective sheath for electrical grade aluminum alloy conductor cables as claimed in claim 1, wherein: the outer wall of the protective sleeve body (1) is provided with a waterproof layer (9), and a flame-retardant film is arranged between the waterproof layer (9) and the second protective layer (5).

3. A polyvinyl chloride protective sheath for electrical grade aluminum alloy conductor cables as claimed in claim 1, wherein: the first protective layer (4) and the second protective layer (5) are made of polyvinyl chloride resin materials respectively.

4. A polyvinyl chloride protective sheath for electrical grade aluminum alloy conductor cables as claimed in claim 1, wherein: and a fireproof layer (10) is arranged between the mica layer (3) and the first protective layer (4).

5. A polyvinyl chloride protective sheath for electrical grade aluminum alloy conductor cables according to claim 4, wherein: the fireproof layer (10) is made of halogen-free low-smoke flame-retardant polyolefin.

6. A polyvinyl chloride protective sheath for electrical grade aluminum alloy conductor cables as claimed in claim 1, wherein: the armor layer (7) is an aluminum foil layer.