CN214897730U

CN214897730U - Stretch-proofing special cable

Info

Publication number: CN214897730U
Application number: CN202121713392.8U
Authority: CN
Inventors: 靳万侠; 吴江岩
Original assignee: Shenyang Changshun Cable Manufacturing Co ltd
Current assignee: Shenyang Changshun Cable Manufacturing Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-11-26
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a stretch-proofing special type cable, including the cable core, the outside cover of cable core is equipped with the insulating sheath layer, the outside packing of insulating sheath layer has the fire prevention filling layer, the outside cover of fire prevention filling layer is equipped with copper wire copper strips shielding layer, the outside cover of copper wire copper strips shielding layer is equipped with the tensile layer, the outside cover of tensile layer is equipped with the buffer layer, the outside cover of buffer layer is equipped with the wearing layer, the tensile layer includes the polyurethane layer, the inside fixedly connected with strengthening rib on polyurethane layer. The utility model discloses it is good to possess the pull resistance, and is wear-resisting, can effectively shield electromagnetic interference, and long service life's advantage has solved current special cable function singleness, and tensile strength is poor, receives easy deformation fracture behind the outside pulling force to cause the damage of cable, surface wear resistance is poor, and is impaired serious after rubbing with outside object contact, does not have shielding function, has reduced cable life's problem.

Description

Stretch-proofing special cable

Technical Field

The utility model relates to the technical field of cables, specifically be an anti-tensile special type cable.

Background

Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

The existing special cable is single in function, poor in tensile property and easy to deform and break after being subjected to external tensile force, so that the cable is damaged, the outer surface of the cable is poor in wear resistance, the cable is seriously damaged after being in contact friction with an external object, the cable does not have a shielding function, and the service life of the cable is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stretch-proofing special type cable, it is good to possess the pull resistance, and is wear-resisting, can effectively shield electromagnetic interference, and long service life's advantage has solved current special type cable function singleness, and tensile strength is poor, receives easy deformation fracture behind the external tension to cause the damage of cable, surface wear resistance is poor, and is impaired serious after the contact friction with outside object, does not have shielding function, has reduced cable life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stretch-proofing special type cable, includes the cable core, the outside cover of cable core is equipped with insulating restrictive coating, insulating restrictive coating's outside packing has the fire prevention filling layer, the outside cover of fire prevention filling layer is equipped with copper wire copper strips shielding layer, the outside cover of copper wire copper strips shielding layer is equipped with the tensile layer, the outside cover of tensile layer is equipped with the buffer layer, the outside cover of buffer layer is equipped with the wearing layer, the tensile layer includes the polyurethane layer, the inside fixedly connected with strengthening rib on polyurethane layer, the inside fixedly connected with polyamide fibre layer on polyurethane layer, the wearing layer includes the nylon restrictive coating, the cotton system canvas layer of inside fixedly connected with on nylon restrictive coating.

Preferably, the nylon sheath layer is made of a nylon sheath, the cotton canvas layer is made of cotton canvas, and the inner wall of the cotton canvas layer is bonded with the outer surface of the buffer layer.

Preferably, the buffer layer is made of butyl rubber, the inner wall of the buffer layer is fixedly bonded with the outer surface of the polyurethane layer, and the polyurethane layer is made of polyurethane.

Preferably, the reinforcing ribs are made of steel wires, and the nylon fiber layer is made of nylon fibers.

Preferably, the inner wall of the polyamide fiber layer is bonded with the outer surface of the copper wire and copper strip shielding layer, and the copper wire and copper strip shielding layer is made of a copper wire and copper strip.

Preferably, the fireproof filling layer is made of mica tapes, and the insulating sheath layer is made of smokeless low-halogen polyolefin.

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

1. the utility model discloses an insulating sheath layer, the fire prevention filling layer, copper wire copper strips shielding layer, the buffer layer, the polyurethane layer, the strengthening rib, the polyamide fibre layer, nylon sheath layer and cotton canvas layer cooperate, it is good to possess the pull resistance, it is wear-resisting, can effectively shield electromagnetic interference, long service life's advantage, current special cable function singleness has been solved, the tensile strength is poor, easy deformation fracture after receiving outside pulling force, thereby cause the damage of cable, the surface wear resistance is poor, it is impaired seriously after rubbing with outside object contact, there is not shielding function, cable life's problem has been reduced.

2. The utility model discloses a through setting up insulating sheath layer, the feature of environmental protection of cable has been improved, through setting up the fire prevention filling layer, the fire behavior of cable has been improved, make the cable difficult to burn, through setting up copper wire copper strips shielding layer, make the cable have good shielding property, through setting up the polyurethane layer, strengthening rib and polyamide fibre layer, the tensile strength of cable has been improved, make the cable can not warp after receiving the pulling force, adopt butyl rubber through the buffer layer, can cushion outside effort, the weatherability and the corrosion resistance of cable have been improved simultaneously, through setting up nylon sheath layer and cotton system canvas layer, the wearability of cable has been improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the polyurethane layer, the reinforcing ribs and the nylon fiber layer of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the nylon sheath layer and the cotton canvas layer of the present invention.

In the figure: 1 cable core, 2 insulating sheath layers, 3 fireproof filling layers, 4 copper wire and copper strip shielding layers, 5 tensile layers, 6 buffer layers, 7 wear-resistant layers, 8 polyurethane layers, 9 reinforcing ribs, 10 nylon fiber layers, 11 nylon sheath layers and 12 cotton canvas layers.

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 discloses a cable core 1, insulating restrictive coating 2, fire prevention filling layer 3, copper wire copper strips shielding layer 4, tensile layer 5, buffer layer 6, wearing layer 7, polyurethane layer 8, strengthening rib 9, polyamide fibre layer 10, nylon restrictive coating 11 and cotton system canvas layer 12 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a stretch-resistant special cable comprises a cable core 1, an insulating sheath layer 2 is sleeved outside the cable core 1, a fireproof filling layer 3 is filled outside the insulating sheath layer 2, a copper wire copper strip shielding layer 4 is sleeved outside the fireproof filling layer 3, a tensile layer 5 is sleeved outside the copper wire copper strip shielding layer 4, a buffer layer 6 is sleeved outside the tensile layer 5, a wear-resistant layer 7 is sleeved outside the buffer layer 6, the tensile layer 5 comprises a polyurethane layer 8, a reinforcing rib 9 is fixedly connected inside the polyurethane layer 8, a nylon fiber layer 10 is fixedly connected inside the polyurethane layer 8, the wear-resistant layer 7 comprises a nylon sheath layer 11, a cotton canvas layer 12 is fixedly connected inside the nylon sheath layer 11, the nylon sheath layer 11 is made of a nylon sheath, the cotton canvas layer 12 is made of cotton canvas, the inner wall of the cotton canvas layer 12 is bonded to the outer surface of the buffer layer 6, the buffer layer 6 is made of butyl rubber, the inner wall of the buffer layer 6 is fixedly bonded with the outer surface of the polyurethane layer 8, the polyurethane layer 8 is made of polyurethane, the reinforcing ribs 9 are made of steel wires, the polyamide fiber layer 10 is made of polyamide fibers, the inner wall of the polyamide fiber layer 10 is bonded with the outer surface of the copper wire and copper strip shielding layer 4, the copper wire and copper strip shielding layer 4 is made of copper wires and copper strips, the fireproof filling layer 3 is made of mica tapes, the insulating sheath layer 2 is made of smokeless low-halogen polyolefin, the buffer layer 6, the polyurethane layer 8, the reinforcing ribs 9, the polyamide fiber layer 10, the nylon sheath layer 11 and the cotton canvas layer 12 are matched, and the cable has the advantages of good tensile resistance, wear resistance, effective electromagnetic interference shielding and long service life, and solves the problem that the existing special cable is single in function, the cable has the advantages of poor tensile property, easy deformation and fracture after being subjected to external tension, damage to the cable, poor outer surface wear resistance, serious damage after being in contact friction with external objects, no shielding function and capability of reducing the service life of the cable.

During the use, through setting up insulating restrictive coating 2, the feature of environmental protection of cable has been improved, through setting up fire prevention filling layer 3, the fire behavior of cable has been improved, make the cable difficult to burn, through setting up copper wire copper strips shielding layer 4, make the cable have good shielding property, through setting up polyurethane layer 8, strengthening rib 9 and polyamide fibre layer 10, the tensile strength of cable has been improved, make the cable receive behind the pulling force can not warp, adopt butyl rubber through buffer layer 6, can cushion external force, the weatherability and the corrosion resistance of cable have been improved simultaneously, through setting up nylon restrictive coating 11 and cotton system canvas layer 12, the wearability of cable has been improved.

In summary, the following steps: this stretch-proofing special type cable, through insulating restrictive coating 2, fire prevention filling layer 3, copper wire copper strips shielding layer 4, buffer layer 6, polyurethane layer 8, strengthening rib 9, polyamide fibre layer 10, nylon restrictive coating 11 and cotton canvas layer 12 cooperate, current special type cable function singleness has been solved, tensile strength is poor, receive easy deformation fracture behind the outside pulling force, thereby cause the damage of cable, the surface wear resistance is poor, it is impaired serious after rubbing with the contact of external object, there is not shielding function, cable life's problem has been reduced.

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 tensile special type cable, includes cable core (1), its characterized in that: the utility model discloses a cable core, including cable core (1), the outside cover of cable core (1) is equipped with insulating restrictive coating (2), the outside packing of insulating restrictive coating (2) has fire prevention filling layer (3), the outside cover of fire prevention filling layer (3) is equipped with copper wire copper strips shielding layer (4), the outside cover of copper wire copper strips shielding layer (4) is equipped with tensile layer (5), the outside cover of tensile layer (5) is equipped with buffer layer (6), the outside cover of buffer layer (6) is equipped with wearing layer (7), tensile layer (5) include polyurethane layer (8), the inside fixedly connected with strengthening rib (9) of polyurethane layer (8), the inside fixedly connected with polyamide fibre layer (10) of polyurethane layer (8), wearing layer (7) include nylon restrictive coating (11), the cotton system canvas layer (12) of the inside fixedly connected with of nylon restrictive coating (11).

2. A stretch resistant specialty cable according to claim 1 wherein: the nylon sheath layer (11) is made of a nylon sheath, the cotton canvas layer (12) is made of cotton canvas, and the inner wall of the cotton canvas layer (12) is bonded with the outer surface of the buffer layer (6).

3. A stretch resistant specialty cable according to claim 1 wherein: the material of buffer layer (6) is butyl rubber, the inner wall of buffer layer (6) and the surface bonding of polyurethane layer (8) are fixed, the material of polyurethane layer (8) is polyurethane.

4. A stretch resistant specialty cable according to claim 1 wherein: the reinforcing ribs (9) are made of steel wires, and the nylon fiber layer (10) is made of nylon fibers.

5. A stretch resistant specialty cable according to claim 1 wherein: the inner wall of the nylon fiber layer (10) is bonded with the outer surface of the copper wire and copper strip shielding layer (4), and the copper wire and copper strip shielding layer (4) is made of a copper wire and a copper strip.

6. A stretch resistant specialty cable according to claim 1 wherein: the material of fire prevention filling layer (3) is the mica tape, the material of insulating restrictive coating (2) is smokeless low halogen polyolefin.