CN102360599A

CN102360599A - Super soft cable

Info

Publication number: CN102360599A
Application number: CN201110278095XA
Authority: CN
Inventors: 田仕鸿; 张兴飞; 孙令蜜; 刘焱鑫
Original assignee: Zhongli Technology Group Co Ltd
Current assignee: Zhongli Technology Group Co Ltd
Priority date: 2011-09-19
Filing date: 2011-09-19
Publication date: 2012-02-22

Abstract

The invention provides a super soft cable, belonging to the wire cable technology field. The super soft cable comprises a cable body which is formed by a central conductor strand and six marginal conductor strands which are arranged around a circumference of the central conductor strand, have a same structure with the central conductor strand and are twisted with the central conductor strand together. The central conductor is formed by a central conductor beam and six marginal conductor beams which are arranged around a circumference of the central conductor beam, have a same structure with the central conductor beam and are twisted with the central conductor beam together. The central conductor beam is formed by a central conductor and six marginal conductors which are arranged around a circumference of the central conductor, have a same structure with the central conductor and are twisted with the central conductor together. The super soft cable has the following advantages: since a multi-level composite twisted structure is employed, there is no axel number constraint of a beam wire machine or a stranding machine in a production process, a degree that a minimum bending radius is two times of a diameter of the cable body can be achieved, and satisfying a soft laying requirement in construction is facilitated.

Description

A kind of ultra flexible cable

Technical field

The invention belongs to technical field of electric wires and cables, be specifically related to a kind of ultra flexible cable, is the improvement to the construction of cable in the prior art.

Background technology

Make cable give soft characteristics laying when helping to construct, six times the cable that usually minimum bending radius is reached the outside diameter of cable is called flexible cable.Be able to reach the cable of the twice of the outside diameter of cable and so-called ultra flexible cable is meant minimum bending radius, for this bending radius, small bore is that cross-sectional area is less than 16mm ²Cable can realize, and more than or equal to 16mm ²Cable then be difficult to even can't obtain this bending radius.

In order to make cable obtain the bending radius of people's expectation; For example expectation obtains the aforesaid minimum bending radius that reaches the twice of the outside diameter of cable; Industry is poured into the selection to the copper wire of the conductor that constitutes cable with mentality of designing usually, that is to say and selects ultra-fine copper wire as far as possible for use.Such as industry the reason of knowledge, for the cable of same cross-sectional area, copper wire is thin more, then the quantity of copper wire the more, and numerous thin copper wires perhaps can barely be dealt with for the cable of small bore, but for such as aforesaid cross-sectional area at 16mm ²Above cable often receives the number of axle influence of synnema machine and stranding machine and can't produce.

How to make cross-sectional area greater than 16mm ²Cable influenced by the number of axle of synnema machine and stranding machine but also can obtain that minimum bending radius reaches the twice of the outside diameter of cable and even littler problem has become industry to pay close attention to and expectation for a long time solves and unsolved all the time technical problem.Especially in disclosed China and foreign countries patent and non-patent literature, all be not seen in the corresponding techniques enlightenment.

The applicant, has carried out exploring and trial repeatedly to the problems referred to above as the professional production manufacturer of electric wire for a long time, has found the way of dealing with problems finally, and the technical scheme that will introduce below produces under this background.

Summary of the invention

Task of the present invention is to provide a kind of number of axle constraint of synnema machine and the stranding machine not only can not receive stranding the time but also can makes and obtains cross-sectional area greater than 16mm ²The minimum bending radius of above cable reaches two ones of the outside diameter of cable and uses and satisfy the ultra flexible cable that softness is laid requirement.

Task of the present invention is accomplished like this; A kind of ultra flexible cable; Comprise cable body; This cable body by a center conductor thigh with around the circumferencial direction structure arranged of center conductor thigh identical with the center conductor thigh and constitute with six mutually stranded marginal conductor thighs of center conductor thigh; The center conductor thigh by a center conductor bundle with around the circumferencial direction structure arranged of center conductor bundle and center conductor Shu Xiangtong's and constitute with six mutually stranded marginal conductor bundle of center conductor bundle; And center conductor Shu Youyi root center conductor is identical with center conductor with the circumferencial direction structure arranged that centers on this center conductor and mutually stranded with center conductor six roots of sensation limit conductor formation; Wherein: six roots of sensation limit conductor and the mutually stranded direction of lay of a center conductor are opposite with the mutually stranded direction of lay of six marginal conductor bundle and center conductor bundle, and six marginal conductor thighs and a mutually stranded direction of lay of center conductor thigh are identical with the mutually stranded direction of lay of the marginal conductor of the six roots of sensation and center conductor.

In a concrete embodiment of the present invention, described center conductor is made up of the thin copper wire of complex root diameter for≤0.25mm.

In another concrete embodiment of the present invention, described center conductor is made up of the thin copper wire of complex root diameter for≤0.127-0.18mm.

In another concrete embodiment of the present invention; When described six roots of sensation limit conductor is left side strand with the mutually stranded direction of lay of a described center conductor; Then described six marginal conductor bundle are right strand with a mutually stranded direction of lay of center conductor bundle, and described six marginal conductor thighs are left side strand with a mutually stranded direction of lay of center conductor thigh.

In another concrete embodiment of the present invention; When described six roots of sensation limit conductor is right hinge with the mutually stranded direction of lay of a described center conductor; Then described six marginal conductor bundle are left side strand with a mutually stranded direction of lay of center conductor bundle, and described six marginal conductor thighs are right strand with a mutually stranded direction of lay of center conductor thigh.

Also have among the concrete embodiment of the present invention, when the shape of cross section of said cable body is followed successively by 16mm ², 25mm ², 35mm ², 50mm ², 70mm ²And 95mm ²The time, described six roots of sensation limit conductor is respectively 11mm, 13mm, 16mm, 18mm, 23mm and 26mm with a mutually stranded twisting pitch of center conductor; And described six marginal conductor bundle are respectively 33mm, 39mm, 48mm, 56mm, 69mm and 78mm with a mutually stranded twisting pitch of center conductor bundle; And described six marginal conductor thighs are respectively 90mm, 110mm, 134mm, 157mm, 193mm and 218mm with a mutually stranded twisting pitch of center conductor thigh.

more of the present invention and among concrete embodiment, when the cross-sectional area of said cable body is 16mm ², 25mm ², 35mm ²And 50mm ²The time, the diameter that then constitutes the single thin copper wire in the complex root thin copper wire of center conductor is 0.127mm; When the cross-sectional area of cable body is 70mm ²And 95mm ²The time, the diameter that then constitutes the single thin copper wire in the complex root thin copper wire of center conductor is 0.18mm.

The cable body that technical scheme provided by the invention constituted is because what adopt is multi-level the answering structure that tangles; Thereby can in manufacturing process, not receive the constraint of the number of axle of synnema machine and stranding machine; And can reach minimum bending radius and be the degree of twice of the diameter of cable body, the softness that helps satisfying when construction is laid requirement.

Description of drawings

Fig. 1 is the cross sectional representation of cable body of the present invention.

Fig. 2 is the cross sectional representation of the center conductor thigh of pie graph 1 structure of the present invention.

Fig. 3 is the cross sectional representation of the center conductor bundle of pie graph 2 structures of the present invention.

Embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.

Ask for an interview Fig. 1; In Fig. 1; Six marginal conductor thighs 12 that show a center conductor thigh 11 and arrange around the circumferencial direction of this center conductor thigh 11, the structure of these six marginal conductor thighs 12 is fully identical with center conductor thigh 11, and stranded with center conductor thigh 11.

Ask for an interview Fig. 2; This illustrated the structure of center conductor thigh 11; This center conductor thigh 11 is made up of a center conductor bundle 111 and six six marginal conductor bundle 112 of arranging around the circumferencial direction of center conductor bundle 111; The structure of the structure of these six marginal conductor bundle 112 and center conductor bundle 111 is identical, and stranded with center conductor bundle 112.

Ask for an interview Fig. 3; This illustrated by the structure of center conductor bundle 111 shown in Figure 2; This center conductor bundle 111 constitutes by a center conductor 1111 with around the six roots of sensation limit conductor 1112 that the circumferencial direction of this root center conductor 1111 is arranged, and the structure of this six roots of sensation limit conductor 1112 is fully identical and stranded with center conductor 1111 with the structure of center conductor 1111.

Direction of lay that direction of lay that direction of lay that the cross-sectional area of aforesaid cable body 1, the quantity and the diameter that constitute the single thin copper wire of center conductor 1111, six roots of sensation limit conductor 1112 and a center conductor 1111 are mutually stranded and pitch, six marginal conductor bundle 112 and center conductor bundle 111 are mutually stranded and pitch and six marginal conductor thighs 12 and center conductor thigh 11 are mutually stranded and pitch are by shown in the following table.

Certainly; Listed six kinds of specifications during ultra flexible cable structure of the present invention is not limited only to show; Other corresponding variation can also be arranged; For example can the diameter of the thin copper wire that constitutes center conductor 1111 be changed in the 0.127-0.18mm scope, the radical of corresponding thin copper wire also changes thereupon, or the like.Therefore can not constitute restriction to the present invention program with this.

Claims

1. a kind of ultra flexible cable; It is characterized in that comprising cable body (1); This cable body (1) is identical with center conductor thigh (11) with the circumferencial direction structure arranged that centers on center conductor thigh (11) and mutually stranded with the center conductor thigh six marginal conductor thighs (12) formation by a center conductor thigh (11); Center conductor thigh (11) is identical with center conductor bundle (111) with the circumferencial direction structure arranged that centers on center conductor bundle (111) and mutually stranded with center conductor bundle (111) six marginal conductor bundle (112) formation by a center conductor bundle (111); And center conductor bundle (111) is by a center conductor (1111) and identical with center conductor (1111) and mutually stranded with center conductor (1111) six roots of sensation limit conductor (1112) formation around the circumferencial direction structure arranged of this center conductor (1111); Wherein: six roots of sensation limit conductor (1112) and the mutually stranded direction of lay of a center conductor (1111) are opposite with the mutually stranded direction of lay of six marginal conductor bundle (112) and a center conductor bundle (111), and six marginal conductor thighs (12) and the mutually stranded direction of lay of a center conductor thigh (11) are identical with the mutually stranded direction of lay of the marginal conductor of the six roots of sensation (1112) and a center conductor (1111).

2. ultra flexible cable according to claim 1 is characterized in that described center conductor (1111) is made up of the thin copper wire of complex root diameter for≤0.25 ㎜.

3. ultra flexible cable according to claim 2 is characterized in that described center conductor (1111) is made up of the thin copper wire of complex root diameter for≤0.127-0.18 ㎜.

4. ultra flexible cable according to claim 1; It is characterized in that when the mutually stranded direction of lay of a described six roots of sensation limit conductor (1112) and a described center conductor (1111) twists for a left side; Then described six marginal conductor bundle (112) are right strand with the mutually stranded direction of lay of a center conductor bundle (111), and described six marginal conductor thighs (12) are left side strand with the mutually stranded direction of lay of a center conductor thigh (11).

5. ultra flexible cable according to claim 1; It is characterized in that when the mutually stranded direction of lay of a described six roots of sensation limit conductor (1112) and a described center conductor (1111) during for right the hinge; Then described six marginal conductor bundle (112) are left side strand with the mutually stranded direction of lay of a center conductor bundle (111), and described six marginal conductor thighs (12) are right strand with the mutually stranded direction of lay of a center conductor thigh (11).

6. Ultra flexible cable according to claim 1 is characterized in that being followed successively by 16mm when the shape of cross section of said cable body (1) ² , 25mm ² , 35 mm ² , 50 mm ² , 70 mm ² With 95 mm ² The time, described six roots of sensation limit conductor (1112) is respectively 11 ㎜, 13 ㎜, 16 ㎜, 18 ㎜, 23 ㎜ and 26 ㎜ with the mutually stranded twisting pitch of a center conductor (1111); And described six marginal conductor bundle (112) are respectively 33 ㎜, 39 ㎜, 48 ㎜, 56 ㎜, 69 ㎜ and 78 ㎜ with the mutually stranded twisting pitch of a center conductor bundle (111); And described six marginal conductor thighs (12) are respectively 90 ㎜, 110 ㎜, 134 ㎜, 157 ㎜, 193 ㎜ and 218 ㎜ with the mutually stranded twisting pitch of a center conductor thigh (11).

7. According to claim 1 or 6 described ultra flexible cables, it is characterized in that the cross-sectional area when said cable body (1) is 16mm ² , 25mm ² , 35 mm ² With 50 mm ² The time, the diameter that then constitutes the single thin copper wire in the complex root thin copper wire of center conductor (1111) is 0.127 ㎜; When the cross-sectional area of cable body (1) is 70 mm ² With 95 mm ² The time, the diameter that then constitutes the single thin copper wire in the complex root thin copper wire of center conductor (1111) is 0.18 ㎜