CN208706299U

CN208706299U - A kind of power cable

Info

Publication number: CN208706299U
Application number: CN201821290761.5U
Authority: CN
Inventors: 李明伟; 刘钧; 李旋; 刘亦奇
Original assignee: Chengdu Zhong Jun Technology Co Ltd
Current assignee: Chengdu Zhong Jun Technology Co Ltd
Priority date: 2018-08-12
Filing date: 2018-08-12
Publication date: 2019-04-05
Anticipated expiration: 2028-08-12

Abstract

The utility model relates to a kind of power cables of field of cable technology, it includes bracket, three groups of grooves are uniformly provided on bracket, cable core is equipped in groove described in three groups, the outer wall of cable core installs the first insulating layer, the outer wall of first insulating layer installs shielded layer, the outer wall of bracket installs second insulating layer, gap between second insulating layer and bracket is uniformly provided with six groups of tensile members, the outer wall of second insulating layer installs waterstop, the outer wall of waterstop installs tincopper fuse wire braided armor, the outer wall of tincopper fuse wire braided armor installs flame-retardant layer, the power cable of the utility model passes through setting tensile members and bracket, improve the tensile property of cable and the intensity of cable, waterstop and silica gel can be improved the waterproofness of cable simultaneously, flame-retardant layer can prevent ignition of cable, make the cable while with waterproof fireproofing performance, cable can also be improved Pull resistance and intensity, prolong its service life, and improve security performance.

Description

A kind of power cable

Technical field

The utility model relates to field of cable technology, specially a kind of power cable.

Background technique

With industry sizes such as China electric power industry, data communication industry, urban track traffic industry, car industry and shipbuilding industry Continuous mine it is big, the demand to cable also increases rapidly, while the requirement to cable is also higher and higher.

Traditional cable often has ignored the pull resistance of cable to meet the heat-resisting quantity and waterproofness of cable at present Can, cause cable to be easily broken off, service life reduces, and making cable, safety cannot ensure at work, it is easy to happen danger, Therefore, it is proposed that a kind of power cable.

Utility model content

The purpose of this utility model is to provide a kind of power cables, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of power cable, including bracket, described Three groups of grooves are symmetrically offered on bracket, and cable core, the first insulation of outer wall installation of the cable core are equipped in groove described in three groups Layer, the outer wall of first insulating layer install shielded layer, and the outer wall of the bracket installs second insulating layer, the second insulating layer Gap between bracket is uniformly provided with six groups of tensile members, and silicon is filled in the gap between second insulating layer and bracket and tensile members Glue, the outer wall of the second insulating layer install waterstop, and the outer wall of the waterstop installs tincopper fuse wire braided armor, described tin plating The outer wall of copper-wire braided layer installs flame-retardant layer, and the outer wall of the flame-retardant layer installs protective layer.

Preferably, the tensile members include three groups of mutually twisted nylon cores, and nylon core is twisted by multiple groups nylon yarn rule It closes.

Preferably, the inner cavity of the cable core is equipped with three groups of conducting wires, and the lumen loading graphite particle of cable core.

Preferably, heat-resistant polyester film is equipped between the cable core and the first insulating layer.

Preferably, the inner cavity of the flame-retardant layer is equipped with ring pipe, and fire proofing is filled in ring pipe.

Preferably, the bracket is triangular supports, and three groups of grooves are separately positioned on three sides of bracket.

Compared with prior art, the utility model has the beneficial effects that the power cable passes through setting tensile members and bracket, The tensile property of cable and the intensity of cable are improved, while waterstop and silica gel can be improved the waterproofness of cable, flame-retardant layer Ignition of cable can be prevented, makes the cable while with waterproof fireproofing performance, moreover it is possible to improve the pull resistance of cable, improve electricity The intensity of cable, prolongs its service life, and improves security performance.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Components and number in figure:

1- bracket；2- groove；3- cable core；The first insulating layer of 4-；5- shielded layer；6- second insulating layer；7- tensile members；8- silicon Glue；9- waterstop；10- tincopper fuse wire braided armor；11- flame-retardant layer；12- protective layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1, a kind of power cable, including bracket 1, three groups of grooves 2, three groups of grooves 2 are symmetrically offered on bracket 1 It is inside equipped with cable core 3, the outer wall of cable core 3 installs the first insulating layer 4, and the outer wall of the first insulating layer 4 installs shielded layer 5, prevents cable The heart 3 is influenced by external electromagnetic power, and the outer wall of bracket 1 installs second insulating layer 6, the sky between second insulating layer 6 and bracket 1 Gap is uniformly provided with six groups of tensile members 7, improves the pull resistance of cable, and the sky between second insulating layer 6 and bracket 1 and tensile members 7 Gap filling gel 8, silica gel 8 play the role of waterproof, while can prevent cable core 3 from deviating, and the outer wall of second insulating layer 6 installs resistance Water band 9, further increases waterproofness, and the outer wall of waterstop 9 installs tincopper fuse wire braided armor 10, further increases the shielding of cable Property, the outer wall installation flame-retardant layer 11 of tincopper fuse wire braided armor 10, the outer wall of flame-retardant layer 11 installs protective layer 12, is conducive to protection electricity Cable.

Wherein, tensile members 7 include three groups of mutually twisted nylon cores, and nylon core it is twisted by multiple groups nylon yarn rule and At improving the tensile strength of cable by tensile members 7, extend the service life of cable, and 7 lighter in weight of tensile members, again It ensure that the pliability of cable；

The inner cavity of cable core 3 is equipped with three groups of conducting wires, and the lumen loading graphite particle of cable core 3, can be mentioned by graphite particle The high temperature resistance of high cable；

Heat-resistant polyester film is equipped between cable core 3 and the first insulating layer 4, heat-resistant polyester film is packed using around-packing technology, Can be used to prevent because cable core 3 it is unstable caused by insulate adhesion between core shift and insulation and cable core 3；

The inner cavity of flame-retardant layer 11 is equipped with ring pipe, and fire proofing is filled in ring pipe, and when cable fire, ring pipe is broken It splits, the fire proofing in ring pipe leaks out, and flame is covered and is extinguished, further combustive destruction cable core 3 is prevented；

Bracket 1 is triangular supports, and three groups of grooves 2 are separately positioned on three sides of bracket 1, and triangular supports are further Improve the tensile property of cable and the intensity of cable；

Working principle: the power cable improves the tensile property and cable of cable by setting tensile members 7 and bracket 1 Intensity, so that the security performance of cable at work is protected, while waterstop 9 and silica gel 8 can be improved the waterproof of cable Property, when cable fire, annular tracheal rupture in flame-retardant layer 11, the fire proofing in ring pipe is leaked out, and flame covering is put out It goes out, prevents further combustive destruction cable core 3, protective layer 12 improves the wearability of cable, extends the service life of cable.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of power cable, including bracket (1), it is characterised in that: three groups of grooves (2) are symmetrically offered on the bracket (1), It is equipped with cable core (3) in groove described in three groups (2), the outer wall of the cable core (3) installs the first insulating layer (4), and described first absolutely The outer wall of edge layer (4) installs shielded layer (5), and the outer wall of the bracket (1) installs second insulating layer (6), the second insulating layer (6) gap between bracket (1) is uniformly provided with six groups of tensile members (7), and second insulating layer (6) and bracket (1) and tensile members (7) outer wall of the gap filling gel (8) between, the second insulating layer (6) installs waterstop (9), the waterstop (9) Outer wall installs tincopper fuse wire braided armor (10), and the outer wall of the tincopper fuse wire braided armor (10) installs flame-retardant layer (11), the resistance The outer wall for firing layer (11) installs protective layer (12).

2. a kind of power cable according to claim 1, it is characterised in that: the tensile members (7) include three groups and mutually twist The nylon core of conjunction, and nylon core is twisted by multiple groups nylon yarn rule.

3. a kind of power cable according to claim 1, it is characterised in that: the inner cavity of the cable core (3) is equipped with three groups and leads Line, and the lumen loading graphite particle of cable core (3).

4. a kind of power cable according to claim 1, it is characterised in that: the cable core (3) and the first insulating layer (4) it Between be equipped with heat-resistant polyester film.

5. a kind of power cable according to claim 1, it is characterised in that: the inner cavity of the flame-retardant layer (11) is equipped with annular Pipe, and fire proofing is filled in ring pipe.

6. a kind of power cable according to claim 1, it is characterised in that: the bracket (1) is triangular supports, and three Group groove (2) is separately positioned on three sides of bracket (1).