CN203644423U

CN203644423U - Cable

Info

Publication number: CN203644423U
Application number: CN201320580663.6U
Authority: CN
Inventors: 张向阳
Original assignee: SHIJIAZHUANG WEILANG CABLE Co Ltd
Current assignee: SHIJIAZHUANG WEILANG CABLE Co Ltd
Priority date: 2013-09-18
Filing date: 2013-09-18
Publication date: 2014-06-11
Anticipated expiration: 2023-09-18

Abstract

The utility model discloses a cable which includes at least one core conductor, an insulating layer disposed outside the core conductor, a water-proof taped layer disposed outside the insulating layer, an inner protective layer disposed outside the water-proof taped layer and an outer protective sleeve disposed on the outmost layer. A foaming layer is disposed between the core conductor and the insulating layer; and an armor layer is disposed between the inner protective layer and the outer protective sleeve. The beneficial effects of the utility model are that: by disposing the foaming layer, a filling layer and the water-proof taped layer or the like, the electromagnetic interference between cable cores can be prevented. The cable is waterproof, wear resistant and machinery stretching resistant when the cable is installed and used; and the cable has simple structure and excellent performance and is convenient for batch production.

Description

A kind of cable

Technical field

The utility model power transmitting device technical field, refers to a kind of cable especially.

Background technology

At present, along with socioeconomic development, people's routine work, life, productive power amount increase day by day, require the current capacity of power transmission cable increasing, therefore the conductor wire core sectional area of cable constantly increases, and causes the weight of cable unit length to increase thereupon.When staff carries out cable laying like this, be easy to damage because of friction the protective layer of cable, leave potential safety hazard.The insulating barrier of existing cable and sheath are made up of the organic polymer such as plastics, rubber mostly, and their resistance to wear is poor.

Some cable use occasion becomes increasingly complex, and such as wet environments such as harbour, harbour, hydroelectric station, reservoir, tunnels, in these situations, cable, except possessing anti-mechanical damage function, also should possess good fire resistance characteristic.Existing cable cover(ing) is owing to lacking good permeability resistance, and water is easy to penetrate into cable inside, and the insulating barrier of parcel core is caused to potential destruction, affects the useful life of cable, when serious, can cause cable cisco unity malfunction.

In addition, the structure of existing cable is generally mainly multiple cores and is directly wrapped in insulating material, does not have spacing between adjacent core, like this in the time that unlike signal transmits in core separately, between different signals, unnecessary electromagnetic interference can occur, the resistance to compression resistance to tension of cable is also poor.

Utility model content

The utility model proposes a kind of cable, solved cable poor anti jamming capability of the prior art, the poor problem of water resistance.

The technical solution of the utility model is achieved in that

A kind of cable, comprise: at least one core conductor, be arranged on insulating barrier outside described core conductor, be arranged on the lapping layer that blocks water outside described insulating barrier, the sheath outside lapping layer and be arranged on outermost oversheath of blocking water described in being arranged on, between described core conductor and insulating barrier, be provided with foaming layer; Between described sheath and oversheath, be provided with armour.

Insulating barrier outside described each core conductor and described in block water and between lapping layer, be provided with packed layer.

Described sheath is polyolefin sheath.

Described armour is zinc-plated steel band armour.

Described oversheath is PVC thermoplastic plastic layer, and its thickness is for being not less than 5 millimeters.

Between core conductor and insulating barrier, foaming layer is set, can reduces the electromagnetic interference between adjacent core.

At insulating barrier with block water packed layer is set between lapping layer, packed layer is specifically made up of the many gasket for packings that block water, the gasket for packing that blocks water is a kind of rope shape materials being composited by polyester fiber, adhesive and rapid expanding water-absorbing resin, and it is met water and can expand rapidly, stops the further infiltration of water.

Above-mentioned sheath is polyolefine material, can play waterproof, etch-proof effect, has good toughness and insulating properties.

Above-mentioned armour is set to zinc-plated steel band, can prevent the damage that cable brings because being subject to hard thing touching and wearing and tearing in installation process.

Above-mentioned oversheath is set to be not less than the PVC thermoplastic plastic layer of millimeters thick, has good physically encapsulation and good resistance to wear.

The beneficial effects of the utility model are:

By foaming layer, packed layer and the lapping layer etc. that blocks water are set, can realize cable core anti-electromagnetic interference each other, install and use waterproof antiwear, anti-mechanical stretching etc. in process.The whole construction of cable is simple, function admirable, is convenient to mass production.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the cross sectional representation of the utility model embodiment;

In figure:

1, core conductor, 2, foaming layer, 3, insulating barrier, 4, packed layer, 5, the lapping layer that blocks water, 6, sheath, 7, armour, 8, oversheath.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Embodiment is as shown in Figure 1 known, a kind of cable described in the utility model, comprise: at least one core conductor 1, be arranged on insulating barrier 3 outside described core conductor 1, be arranged on the lapping layer 5 that blocks water outside described insulating barrier 3, the sheath 6 outside lapping layer 5 and be arranged on outermost oversheath 8 of blocking water described in being arranged on, between described core conductor 1 and insulating barrier 3, be provided with foaming layer 2; Between described sheath 6 and oversheath 8, be provided with armour 7.

Above-mentioned foaming layer 2 the electromagnetic interference that can reduce between adjacent core is set.

Insulating barrier 3 outside above-mentioned each core conductor 1 and described in block water and between lapping layer 5, be provided with packed layer 4.Packed layer 4 is specifically made up of the many gasket for packings that block water, and the gasket for packing that blocks water is a kind of rope shape materials being composited by polyester fiber, adhesive and rapid expanding water-absorbing resin, and it is met water and can expand rapidly, stops the further infiltration of water.

Above-mentioned sheath 6 is polyolefin sheath.Can play waterproof, etch-proof effect, there is good toughness and insulating properties.

Above-mentioned armour 7 is zinc-plated steel band armour.Can prevent the damage that cable brings because being subject to hard thing touching and wearing and tearing in installation process.

Above-mentioned oversheath 8 is PVC thermoplastic plastic layer, and its thickness is for being not less than 5 millimeters.There is good physically encapsulation and good resistance to wear.

In sum, the utility model, by foaming layer, packed layer and the lapping layer etc. that blocks water are set, can be realized cable core anti-electromagnetic interference each other, installs and uses waterproof antiwear, anti-mechanical stretching etc. in process.The whole construction of cable is simple, function admirable, is convenient to mass production.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.

Claims

1. a cable, it is characterized in that, comprise: at least one core conductor (1), be arranged on the outer insulating barrier (3) of described core conductor (1), be arranged on the outer lapping layer that blocks water (5) of described insulating barrier (3), the outer sheath (6) of lapping layer (5) and be arranged on outermost oversheath (8) of blocking water described in being arranged on, between described core conductor (1) and insulating barrier (3), be provided with foaming layer (2); Between described sheath (6) and oversheath (8), be provided with armour (7); The insulating barrier (3) that described each core conductor (1) is outer and described in block water and between lapping layer (5), be provided with packed layer (4); Described sheath (6) is polyolefin sheath.

2. a kind of cable according to claim 1, is characterized in that, described armour (7) is zinc-plated steel band armour.

3. a kind of cable according to claim 1, is characterized in that, described oversheath (8) is PVC thermoplastic plastic layer, and its thickness is for being not less than 5 millimeters.