CN210778002U

CN210778002U - Environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable

Info

Publication number: CN210778002U
Application number: CN201921605233.9U
Authority: CN
Inventors: 郑晓城; 许翔; 郑文彬; 许磊; 贺高举; 陆保立
Original assignee: Yunnan Duobao Cable Group Co ltd
Current assignee: Yunnan Duobao Cable Group Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-16
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses an environmental protection type long-life aluminium sheath multipurpose is branch fireproof cable in advance, including insulating protective sheath, insulating protective sheath's inner chamber is provided with the leader cable, the left side fixedly connected with branch cable of leader cable, the outside to insulating protective sheath is all run through to the top and the bottom of leader cable, the one end that the leader cable was kept away from to the branch cable runs through to insulating protective sheath's bottom, leader cable and branch cable all include first protective sheath, the inner chamber fixedly connected with insulating layer of first protective sheath. The utility model discloses a cooperation that sets up insulating protective sheath, second protective sheath, aluminum sheath, third protective sheath, leader cable, branch cable, first protective sheath, insulating layer, fire-retardant layer, filling layer, insulating cover and cable conductor is used, has solved the current poor and short problem of life of branch cable fire prevention effect in advance, and this multipurpose branch cable in advance possesses the effectual and long service life's of fire prevention advantage.

Description

Environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically be an environmental protection type long-life aluminium sheath multipurpose is branch fireproof cable in advance.

Background

Cable: the cable is an important conductive component in an electric power facility, and the pre-branching fireproof cable is also one of the cables, and the cable is inevitably overheated to cause spontaneous combustion in the long-time use process, and the cable can be burnt by external flame, so that the service life of the cable is shortened, and the use cost of a user is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental protection type long-life aluminium sheath multipurpose is branch fireproof cable in advance, possesses the good and long service life's of fireproof effect advantage, has solved the current poor and short problem of life of branch cable fireproof effect in advance.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable comprises an insulating protective sleeve, a main cable is arranged in an inner cavity of the insulating protective sleeve, the left side of the main cable is fixedly connected with a branch cable, the top and the bottom of the main cable penetrate through the outer side of the insulating protective sleeve, one end of the branch cable, which is far away from the main cable, penetrates to the bottom of the insulating protective sleeve, the main cable and the branch cable respectively comprise a first protective sleeve, the inner cavity of the first protective sleeve is fixedly connected with a heat insulation layer, the inner cavity of the heat insulation layer is fixedly connected with a flame retardant layer, an insulating sleeve is arranged in the inner cavity of the flame-retardant layer, a cable conductor is fixedly connected with the inner cavity of the insulating sleeve, the inner chamber packing on fire-retardant layer has the filling layer, insulating protective sheath includes the second protective sheath, the inner wall fixedly connected with aluminium sheath of second protective sheath, the inner wall fixedly connected with third protective sheath of aluminium sheath.

Preferably, the first protective sleeve, the second protective sleeve and the third protective sleeve are all made of halogen-free low-smoke flame-retardant polyvinyl chloride materials.

Preferably, the heat insulation layer is made of an asbestos heat insulation net, and the flame-retardant layer is made of a ceramic silicon rubber material.

Preferably, the filling layer is made of mica material, and the insulating sleeve is made of polyethylene material.

Preferably, the number of the cable conductors and the number of the insulation sleeves are the same, and a plurality of groups are arranged.

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

1. the utility model discloses a cooperation that sets up insulating protective sheath, second protective sheath, aluminum sheath, third protective sheath, leader cable, branch cable, first protective sheath, insulating layer, fire-retardant layer, filling layer, insulating cover and cable conductor is used, has solved the current poor and short problem of life of branch cable fire prevention effect in advance, and this multipurpose branch cable in advance possesses the advantage that the fire prevention is effectual and long service life, is worth promoting.

2. The utility model discloses a set up second protective sheath and third protective sheath, the insulating properties and the fire behavior of insulating protective sheath have been improved, through setting up the aluminium sheath, the intensity and the fire behavior of insulating protective sheath have been improved, through setting up first protective sheath, the fire-proof insulating performance of leader cable and branch cable has been improved, through setting up the insulating layer, play thermal-insulated effect, through setting up fire-retardant layer, play fire-retardant effect, through setting up insulating cover, play insulating effect, the cable conductor who contains in the branch cable is less than the cable conductor in the leader cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the insulating protective sheath of the present invention;

fig. 3 is a schematic view of the structure of the main cable and the branch cable of the present invention.

In the figure: 1 insulating protective sleeve, 101 second protective sleeve, 102 aluminum sheath, 103 third protective sleeve, 2 main cable, 3 branch cable, 4 first protective sleeve, 5 insulating layer, 6 flame retardant layer, 7 filling layer, 8 insulating sleeve and 9 cable conductor.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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.

The utility model provides an insulating protective sheath 1, second protective sheath 101, aluminium sheath 102, third protective sheath 103, leader cable 2, branch cable 3, first protective sheath 4, insulating layer 5, fire-retardant layer 6, filling layer 7, insulating cover 8 and parts such as cable conductor 9 are the parts that general standard spare or technical personnel in the field know, and its structure and principle all can be known or can be known through conventional experimental methods for technical personnel in the field through the technical manual.

Referring to fig. 1-3, an environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable comprises an insulating protective sleeve 1, a main cable 2 is arranged in an inner cavity of the insulating protective sleeve 1, a branch cable 3 is fixedly connected to the left side of the main cable 2, the top and the bottom of the main cable 2 penetrate through the outer side of the insulating protective sleeve 1, one end, away from the main cable 2, of the branch cable 3 penetrates through the bottom of the insulating protective sleeve 1, the main cable 2 and the branch cable 3 both comprise a first protective sleeve 4, a heat insulation layer 5 is fixedly connected to an inner cavity of the first protective sleeve 4, a flame retardant layer 6 is fixedly connected to an inner cavity of the heat insulation layer 5, an insulating sleeve 8 is arranged in an inner cavity of the flame retardant layer 6, a cable conductor 9 is fixedly connected to an inner cavity of the insulating sleeve 8, a filling layer 7 is filled in an inner cavity of the flame retardant layer, the inner wall of the aluminum sheath 102 is fixedly connected with a third protective sleeve 103;

the first protective sleeve 4, the second protective sleeve 101 and the third protective sleeve 103 are all made of halogen-free low-smoke flame-retardant polyvinyl chloride materials, the heat insulation layer 5 is made of asbestos heat insulation net, the flame-retardant layer 6 is made of ceramic silicon rubber materials, the filling layer 7 is made of mica materials, the insulating sleeve 8 is made of polyethylene materials, the number of the cable conductors 9 and the number of the insulating sleeve 8 are the same, and a plurality of groups of cable conductors are arranged;

through setting up second protective sheath 101 and third protective sheath 103, insulating properties and fire behavior of insulating protective sheath 1 have been improved, through setting up aluminum sheath 102, the intensity and the fire behavior of insulating protective sheath 1 have been improved, through setting up first protective sheath 4, the insulating performance of the fire prevention of leader cable 2 and branch cable 3 has been improved, through setting up insulating layer 5, play thermal-insulated effect, through setting up fire-retardant layer 6, play fire-retardant effect, through setting up insulating sheath 8, play insulating effect, the cable conductor 9 that contains in the branch cable 3 is less than the cable conductor 9 in the leader cable 2.

In summary, the following steps: this branch fireproof cable is in advance to long-life aluminium sheath multipurpose of environment-friendly, through the cooperation that sets up insulating protective sheath 1, second protective sheath 101, aluminium sheath 102, third protective sheath 103, leader cable 2, branch cable 3, first protective sheath 4, insulating layer 5, fire-retardant layer 6, filling layer 7, insulating cover 8 and cable conductor 9, solved the current problem that branch cable fireproof effect is poor and life is short in advance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a branch fireproof cable is in advance to long-life aluminium sheath multipurpose of environment-friendly, includes insulating protective sheath (1), its characterized in that: the inner cavity of the insulating protective sleeve (1) is provided with a main cable (2), the left side of the main cable (2) is fixedly connected with a branch cable (3), the top and the bottom of the main cable (2) are both penetrated through the outer side of the insulating protective sleeve (1), one end, far away from the main cable (2), of the branch cable (3) is penetrated through the bottom of the insulating protective sleeve (1), the main cable (2) and the branch cable (3) both comprise a first protective sleeve (4), the inner cavity of the first protective sleeve (4) is fixedly connected with a heat insulation layer (5), the inner cavity of the heat insulation layer (5) is fixedly connected with a flame retardant layer (6), the inner cavity of the flame retardant layer (6) is provided with an insulating sleeve (8), the inner cavity of the insulating sleeve (8) is fixedly connected with a cable conductor (9), the inner cavity of the flame retardant layer (6) is filled with a filling layer (7), the insulating protective sleeve (, the inner wall of the second protective sleeve (101) is fixedly connected with an aluminum sheath (102), and the inner wall of the aluminum sheath (102) is fixedly connected with a third protective sleeve (103).

2. The environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable of claim 1, wherein: the first protective sleeve (4), the second protective sleeve (101) and the third protective sleeve (103) are all made of halogen-free low-smoke flame-retardant polyvinyl chloride materials.

3. The environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable of claim 1, wherein: the heat insulation layer (5) is made of an asbestos heat insulation net, and the flame retardant layer (6) is made of a ceramic silicon rubber material.

4. The environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable of claim 1, wherein: the filling layer (7) is made of mica material, and the insulating sleeve (8) is made of polyethylene material.

5. The environment-friendly long-life aluminum sheath multipurpose pre-branching fireproof cable of claim 1, wherein: the number of the cable conductors (9) is the same as that of the insulating sleeves (8), and a plurality of groups of the cable conductors are arranged.