CN205318883U

CN205318883U - From bearing weight of tensile type coaxial composite cable

Info

Publication number: CN205318883U
Application number: CN201521013692.XU
Authority: CN
Inventors: 马壮; 杨粉祥; 高天磊; 陈平江; 鲍启伟
Original assignee: Wuxi Jiangnan Cable Co Ltd
Current assignee: Wuxi Jiangnan Cable Co Ltd
Priority date: 2015-12-08
Filing date: 2015-12-08
Publication date: 2016-06-15
Anticipated expiration: 2025-12-08

Abstract

The utility model discloses a from bearing weight of tensile type coaxial composite cable includes inner conductor, insulating layer, buffer layer, outer conductor and oversheath from inside to outside, the inner conductor form by lieing in its central hosting core and using hosting core to strand around a plurality of inner conductor conductive single wire hosting core outside as the centre of a circle, be equipped with metal conductive tube between insulating layer and buffer layer, the outer conductor is formed with at least one control core combination after the winding by a plurality of tensile wires side by side again, the oversheath on still be equipped with the single line convex ridge, the single line convex ridge highly be not less than 0.5mm, the width is not less than 1mm. This cable wholly is full symmetrical structure, has very by force from load -carrying properties and tensile strength, and resistance to compression, protection against the tide and leakproofness are good, attenuate little, the shielding is effectual, can play signal transmission and control action simultaneously.

Description

A kind of from the coaxial composite cable of carrying tensile type

Technical field

The utility model relates to electric wire field, is specifically related to a kind of from the coaxial composite cable of carrying tensile type.

Background technology

The world today is the stepped into information epoch, information has become the strategic resource of economic development and unique production factors, with the multimedia terminals such as telecommunications network, computer, video combine the present information transmission system set up and complete information service system, become the important symbol of a country economic development level. Coaxial cable is the important kind of the one in communication, mainly as the machine intraconnections of the feeder of radio transmission or receiving equipment and various communication, electronic equipment or interconnect line. Coaxial cable is made up of inner conductor layer, insulating barrier, outer conductor layer and restrictive coating, the common cross section of inner conductor layer and outer conductor layer is very little, from carrying poor performance, especially when cable uses under not buried operating mode, because load-carrying properties are poor, cable own wt can make cable conductor break, and also easily damages tiny cable conductor when in construction simultaneously. Prior art dish adopts bracing frame to support cable; protect coaxial cable by the form that increases bracing frame; there is certain effect; but laid down cost and time are increased; in addition the load-carrying properties of cable own are poor, unavoidably can be because operation causes the problem that the core of cable damages accidentally in work progress.

Chinese patent " ZL201520373236.X " discloses a kind of coaxial cable, its main contents are for to increase enhancement Layer outward at outer conductor, improve to a certain extent the tensile property of whole cable, in laid processes, due to cable will through unwinding and rewinding around operating mode, and cable at this operating mode lower stress centrostigma at the bosom of cable point, central point is not protected, inner wire tensile property is not resolved; Owing to having increased one deck or which floor structure in cable, increase manufacturing procedure, reduce production efficiency, the weight of cable has increased simultaneously, impact is installed on the one hand, has increased on the other hand the pressure of inner wire in load bearing process, does not have in addition signal transfer functions.

Utility model content

In order to overcome the deficiencies in the prior art, provide a kind of have very strong from load-carrying properties and tensile property, resistance to compression, protection against the tide and good airproof performance, decay little, shield effectiveness good, can play the coaxial composite cable of the tensile type of carrying certainly of signal transmission and control action simultaneously.

For achieving the above object, the utility model discloses the coaxial composite cable of a kind of carrying tensile type certainly, comprise from inside to outside inner wire, insulating barrier, cushion, outer conductor and oversheath; Described inner wire by be positioned at the load bearing core at its center and taking load bearing core the conduction of some inner wires outside the center of circle is centered around load bearing core single line is stranded forms; Between insulating barrier and cushion, be provided with metal guide fulgurite; Outer conductor combines with at least one control core after being wound around side by side by some tension wires again; On described oversheath, be also provided with single line convex ridge, the height of single line convex ridge is not less than 0.5mm, and width is not less than 1mm.

Preferably, described load bearing core is zinc-coated wire.

Preferably, described control core forms by controlling conductor and being extruded in the control insulating barrier of controlling outside conductor.

Preferably, described inner wire conduction single line is annealing copper wire, annealing copper wire is the naked annealed copper conductor that meets GB/T3956-2008 or the metal cladding annealed copper conductor that cable is conventional, comprise the conductor of the hard circular copper wire composition of multiply or the conductor of the soft circular copper wire composition of non-multiply of pressing of compacting pressing, preferentially select the zinc-plated soft structure conductor of 5 class.

Preferably, described metal guide fulgurite is the hard compression tube of wrapped or vertical bag, is specially embossing pipe.

Preferably, described insulating barrier is made up of low density polyethylene (LDPE), high density polyethylene (HDPE) or radiant crosslinked polyethylene material.

Preferably, described outer jacket is made up of polythene material.

The beneficial effects of the utility model are:

The utlity model has very strong from load-carrying properties, the conductor center layer You Yigen center load bearing core of cable, the stress point of inner wire concentrates in the load bearing core of center, cable, in folding and unfolding winding process, has been protected inner wire annealing copper wire, and frangibility not; Simultaneously outer conductor is wound around tension wire outward and has improved the overall tension tensile property of cable; Metal guide fulgurite compressive property is good, protection against the tide and good airproof performance, and embossing can improve its bending property; Whole cable is full symmetrical configuration, and copper wire and zinc-coated wire have function of shielding, and inner and outer conductor is in concentric position, and electromagnetic energy is confined to propagate in the medium between internal and external conductor, therefore has decay little, and shielding properties is high; With controlling core, can play signal transmission and control action simultaneously; Compared with prior art do not increase new reinforcement structure, the construction of cable is simple, and the outside diameter of cable is less, conveniently lays.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment and only be not used in restriction scope of the present utility model for the utility model is described, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the amendment of the various equivalent form of values of the present utility model.

As shown in Figure 1, it is a kind of from the coaxial composite cable of carrying Anti-pressure that the utility model provides, and comprises from inside to outside inner wire, insulating barrier 3, cushion 5, outer conductor and oversheath 7; It is mainly, described inner wire by be positioned at the load bearing core 1 at its center and taking load bearing core the conduction of 6 inner wires outside the center of circle is centered around load bearing core single line 2 is stranded forms, but the stress point that makes cable inner conductor concentrates in the load bearing core of center, cable is in folding and unfolding winding process, protect inner wire annealing copper wire, and frangibility not; For mechanical strength, compressive property, protection against the tide and the sealing, the Qu Xingneng that make cable are improved, between insulating barrier 3 and cushion 5, be provided with the hard compression tube of metal guide fulgurite 4 for wrapped or vertical bag, be specially a kind of embossing pipe; Outer conductor combines with two root control cores after being wound around side by side by many outer tension wires 6 again, and pitch is controlled between 75-105mm, and winding direction is left-hand; Described control core forms by controlling conductor 8 and being extruded in the control insulating barrier 9 of controlling outside conductor; On described oversheath 7, be also provided with single line convex ridge 10, the height of described single line convex ridge 10 is not less than 0.5mm, and width is not less than 1mm, for the identification of cable.

This whole cable is full symmetrical configuration, and copper wire and zinc-coated wire have function of shielding, and inner and outer conductor is in concentric position, and electromagnetic energy is confined to propagate in the medium between internal and external conductor, therefore has decay little, and shielding properties is high. With controlling core, can play signal transmission and control action simultaneously; Compared with prior art do not increase new reinforcement structure, the construction of cable is simple, and the outside diameter of cable is less, conveniently lays.

The above is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model principle; can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.

Claims

1. from the coaxial composite cable of carrying tensile type, comprise from inside to outside inner wire, insulating barrier (3), cushion (5), outer conductor and oversheath (7); It is characterized in that: described inner wire is by being positioned at the load bearing core (1) at its center and some stranded the forming of inner wire conduction single line (2) outside the center of circle is centered around load bearing core taking load bearing core; Between insulating barrier (3) and cushion (5), be provided with metal guide fulgurite (4); Outer conductor combines with at least one control core after being wound around side by side by some tension wires (6) again; On described oversheath (7), be also provided with single line convex ridge (10), the height of single line convex ridge is not less than 0.5mm, and width is not less than 1mm.

2. according to claim 1 from the coaxial composite cable of carrying tensile type, it is characterized in that: described load bearing core (1) is zinc-coated wire.

3. according to claim 1 from the coaxial composite cable of carrying tensile type, it is characterized in that: described control core forms by controlling conductor (8) and being extruded in the control insulating barrier (9) of controlling outside conductor.

4. according to claim 1 from the coaxial composite cable of carrying tensile type, it is characterized in that: described inner wire conduction single line (2) is annealing copper wire.

5. according to claim 1 from the coaxial composite cable of carrying tensile type, it is characterized in that: described metal guide fulgurite (4) is the hard compression tube of wrapped or vertical bag.

6. according to claim 1 from the coaxial composite cable of carrying tensile type, it is characterized in that: described insulating barrier (3) is made up of low density polyethylene (LDPE), high density polyethylene (HDPE) or radiant crosslinked polyethylene material.

7. according to claim 1 from the coaxial composite cable of carrying tensile type, it is characterized in that: described oversheath (7) is made up of polythene material.