CN102543278A - Festoon control cable resistant to frequent bending and manufacturing method - Google Patents
Festoon control cable resistant to frequent bending and manufacturing method Download PDFInfo
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- CN102543278A CN102543278A CN2012100278037A CN201210027803A CN102543278A CN 102543278 A CN102543278 A CN 102543278A CN 2012100278037 A CN2012100278037 A CN 2012100278037A CN 201210027803 A CN201210027803 A CN 201210027803A CN 102543278 A CN102543278 A CN 102543278A
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Abstract
The invention discloses a festoon control cable resistant to frequent bending and a manufacturing method. The festoon control cable is formed by a plurality of cable core elements placed in parallel and an outer pressing bag protection sleeve, wherein each cable core element is composed of two cable core elements placed in the outer pressing bag protection sleeve in parallel. Each cable core element is composed of a steel wire rope in the center, an outer pressing bag insulated buffering layer or a fiber rope in the center, a conductor outside the insulated buffering layer or the fiber rope, and a pressing bag insulated layer outside the conductor. The conductor is weaved by fine strands of silk stranded by conductive fibers and copper single tows. The festoon control cable resistant to frequent bending has the advantages that the conductor is weaved by fine strands of silk stranded by conductive fibers and copper single tows, thereby not only improving resistance of the conductor to bending, and basically keeping current conductor cross section to identical current-carrying capacity unchanged. The festoon control cable resistant to frequent bending is capable of enabling all cable core elements to be on the same plane, and effectively avoids possibility of mechanical damage like broken cores due to element displacement, distortion, stress concentration and the like caused by external force factors such as continuous winding and bending to the internal structure of the cable.
Description
Technical field
The present invention relates to a kind of cable that is used for large-scale mechanically moving device, be meant that specifically dragging of a kind of anti-frequent bending and special small-bend radius makes control cable, and the manufacturing approach of this cable.
Background technology
There is following technical problem in the used dynamic Control signal cables of large-scale mechanically moving device such as stacker-reclaimer in steel mill or power plant: cable adopts the coil type mobile model to store, and moves along with mechanical device frequently comes and goes, and cable will stand back and forth to batch in coil type mobile model holder; That is, cable is worked under the persistent state of decontroling, batching, and unwinding and rewinding every day are around reaching several ten times; Cable uses under this occasion, and conductor receives alternating bending, when bending; The conductor curved interior by compression; Curved outside is stretched, and bending radius is more little, and this compression and stretching are serious more; When compression with when stretch surpassing conductor and bearing limit, the copper monofilament in the conductor thread core can rupture.Therefore; At present existing several different methods attempts to solve these technical problems; Like Chinese patent; Application number: 201020293717.7 replace traditional steel wire as strengthening core with cordage, improving tension, the anti-crooking ability of cable, but very small to the anti-crooking ability effect of the conductor in the insulation cable core.Chinese patent, publication number: CN101202132A are in cable, to adopt the fibrage layer between outer jacket, and make braid stick to firmly between outer jacket, this method can improve cable tensile strength, and the anti-crooking ability of cable conductor is not had effect.Chinese patent; Application number: the copper conductor of 200810243578.4 and 201020643128.7 cables all adopts copper monofilament and fiber to be intertwined; Then several or number are picked up copper monofilament that root twines fiber and twist together as cable core improving the anti-flex life of cable conductor, but because fiber is nonconducting, the cable conductor sectional area of folder fiber can increase; Thereby under the situation of same ampacity; The outside diameter of cable can increase, and the bending radius of cable strengthens, and the device volume of coiling that stores cable strengthens.
Summary of the invention
Problem to above-mentioned prior art exists the objective of the invention is to propose dragging of a kind of anti-frequent bending and makes control cable and this drag the manufacturing approach that makes control cable.
Dragging of a kind of anti-frequent bending of the present invention makes control cable, is by the parallel placement of a plurality of cable core elements, extrudes the flat cable composition that oversheath becomes flat pattern outward.
Described cable core element: extrude inner sheath outward by two core elements of parallel placement and form.
Described core element: be to be steel wire rope by the center, outer extruded insulation resilient coating, or the center is cordage, and useful conductive fiber and copper filament tow are twisted into the conductor that is woven into behind the thin strand of silk outside buffer insulation layer or cordage, and the outer extruded insulation layer of conductor is formed.
The described thin strand silk that is twisted into conductive fiber and copper filament tow, wherein the cross section percentage that contains of conductive fiber is 20-30%, the cross section percentage that the copper monofilament contains is 80-70%.
Described conductive fiber is that synthetic fibers coating surface copper conductive layer constitutes.
Described cordage is formed for the aramid fiber material.
Described buffer insulation layer, insulating barrier, inner sheath and oversheath all adopt well behaved elastomeric material, a kind of as in ethylene-propylene rubber, neoprene, polyurethane and the polyvinyl chloride butyronitrile compound.
As a bright spot of the present invention, the thin strand of silk that conductor adopts conductive fiber and copper filament tow to be twisted into weaves, and not only can improve the anti-crooking ability of conductor, and the Ampereconductors sectional area of identical ampacity is remained unchanged basically.
As a bright spot of the present invention; Structural design of the present invention can make all core elements be on the same horizontal plane; Stability Analysis of Structures stops that effectively the cable internal structure receives to continue that external force factors such as coilings, bending cause that element displacement, distortion, stress are concentrated etc. and causes that the mechanical damage of disconnected core is possible.
As a bright spot of the present invention, the elastomeric material that is adopted has oil resistant, and is anti-fire-retardant, UV resistant, resistance to low temperature.
In addition, the manufacturing approach that the present invention also provides dragging of a kind of anti-frequent bending to make control cable, specific as follows:
A. adopt stainless steel wire rope, outside stainless steel wire rope, extrude a kind of hardness at the elastomeric material of Shao Shi A80-90 scope as the buffer insulation layer.As replacing stainless steel wire rope with cordage, then cordage does not need the extruded insulation resilient coating outward.
B. conductive fiber and copper filament tow are twisted into thin strand of silk, wherein the cross section percentage that contains of conductive fiber is 20-30%, and the cross section percentage that the copper monofilament contains is 80-70%.
C. in buffer insulation layer or thin burst of good silk knitted conductor of the above-mentioned bundle strand of cordage external application, the conductor total cross section requires to decide according to the design ampacity, and the outer extruded insulation layer of conductor constitutes the core element.
D. with extruding inner sheath after two parallel placements of core element, form the cable core element.
E. process resistant to bending dragging and make control cable extruding oversheath after the parallel placement of a plurality of cable core elements more as required.
Described conductive fiber adopts the outer plated copper film of synthetic fibers.
Described cordage is formed for the aramid fiber material.
In sum; Dragging of a kind of anti-frequent bending of the present invention makes the characteristics of control cable be: be suitable for special small-bend radius; The minimum bending radius that allows be the flat cable gauge 12-15 doubly, and generally drag make the desired Cable Bending Radius of control cable be 18-20 doubly; The construction of cable is stable, and has greatly reduced the cable internal structure and receive back and forth to batch, and unreels; Each element displacement in the guided bend, the cable that factors such as pulling force cause, stress are concentrated to wait and are caused the conductor thread core fracture; Insulating barrier is destroyed equivalent damage, has prolonged the work useful life of cable.
Description of drawings
Fig. 1 is the resistant to bending cross section structure sketch map that makes control cable that drags;
Fig. 2 is that the center is the cross section structure sketch map of the core element of steel wire rope;
Fig. 3 is that the center is the cross section structure sketch map of the core element of cordage.
The practical implementation method
Pass through embodiment below, and combine accompanying drawing, specific embodiments of the invention is done further to specify, but the present invention is not limited only to following embodiment
Embodiment 1
Dragging of a kind of anti-frequent bending of the present invention makes control cable, is by a plurality of cable core element 1 parallel placements, and the flat cable that extrudes 2 one-tenth flat patterns of oversheath is outward formed.
Described cable core element 1: form by extruding inner sheath 1-2 outside two the parallel placement of core element 1-1 backs.
Described core element 1-1 is to be steel wire rope 1-1-1 by the center; Outer extruded insulation resilient coating 1-1-2; Or the center is cordage 1-1-3; Useful conductive fiber and copper filament tow are twisted into the conductor 1-1-4 that is woven into behind the thin strand of silk outside buffer insulation layer or cordage, and the outer extruded insulation layer 1-1-5 of conductor forms.
The described thin strand silk that is twisted into conductive fiber and copper filament tow, wherein the cross section percentage that contains of conductive fiber is 20-30%, the cross section percentage that the copper monofilament contains is 80-70%.
Described conductive fiber is that synthetic fibers coating surface copper conductive layer constitutes.
Described buffer insulation layer, insulating barrier, inner sheath and oversheath all adopt well behaved elastomeric material, a kind of as in ethylene-propylene rubber, neoprene, polyurethane and the polyvinyl chloride butyronitrile compound.
Described cordage is that aramid fiber is formed.
A kind of anti-frequent bending of the present invention drag the manufacturing approach that makes control cable, specific as follows:
A. adopt stainless steel wire rope, outside stainless steel wire rope, extrude a kind of hardness at the elastomeric material of Shao Shi A80-90 scope as the buffer insulation layer.As replacing stainless steel wire rope with cordage, then cordage does not need the extruded insulation resilient coating outward.Cordage is formed for the aramid fiber material.
B. conductive fiber and copper filament tow are twisted into thin strand of silk, wherein the cross section percentage that contains of conductive fiber is 20-30%, and the cross section percentage that the copper monofilament contains is 80-70%.
D. be woven into conductor at buffer insulation layer or thin strand of good silk of the above-mentioned bundle strand of cordage external application, the thickness that specifically weaves how many numbers of plies and thin strand of silk will require to decide according to ampacity, and the outer extruded insulation layer of conductor constitutes the core element.
E. form the cable core element with extruding inner sheath after two parallel placements of core element.
F. process dragging of anti-frequent bending and special small-bend radius and make control cable extruding oversheath after the parallel placement of a plurality of cable core elements more as required.Extruding of buffer insulation layer, insulating barrier, inner sheath and oversheath will reach tight.
Claims (9)
1. dragging of an anti-frequent bending makes control cable, is by the parallel placement of a plurality of cable core elements (1), extrudes the flat cable composition that oversheath (2) becomes flat pattern outward;
Described cable core element (1) is outer after by the parallel placement of two core elements (1-1) to extrude inner sheath (1-2) and forms;
It is characterized in that: described core element (1-1) is to be steel wire rope (1-1-1) by the center; Outer extruded insulation resilient coating (1-1-2); The conductor (1-1-4) of the thin burst of silk braiding that useful conductive fiber and copper filament tow are twisted into outside the buffer insulation layer, the outer extruded insulation layer (1-1-5) of conductor is formed;
Described conductive fiber and copper filament tow are twisted into thin strand of silk, wherein the cross section percentage that contains of conductive fiber is 20-30%, the cross section percentage that the copper monofilament contains is 80-70%.
2. the dragging of a kind of anti-frequent bending according to claim 1 makes control cable, it is characterized in that: described conductive fiber is to be made up of synthetic fibers coating surface copper conductive layer.
3. the dragging of a kind of anti-frequent bending according to claim 1 makes control cable; It is characterized in that: described buffer insulation layer, insulating barrier, inner sheath and oversheath all adopt well behaved elastomeric material, a kind of as in ethylene-propylene rubber, neoprene, polyurethane and the polyvinyl chloride butyronitrile compound.
An anti-frequent bending drag the manufacturing approach that makes control cable, it is characterized in that concrete steps are following:
A. adopt stainless steel wire rope, outside stainless steel wire rope, extrude a kind of hardness at the elastomeric material of Shao Shi A80-90 scope as the buffer insulation layer;
B. the thin strand of silk that conductive fiber and copper filament tow is twisted into, wherein the cross section percentage that contains of conductive fiber is 20-30%, the cross section percentage that the copper monofilament contains is 80-70%;
C. in thin burst of good silk knitted conductor of the above-mentioned bundle strand of buffer insulation layer external application, the conductor total cross section requires to decide according to the design ampacity, and the outer extruded insulation layer of conductor constitutes the core element;
D. with extruding inner sheath after two parallel placements of core element, form the cable core element;
E. process dragging of anti-frequent bending and make control cable extruding oversheath after the parallel placement of a plurality of cable core elements more as required.
5. dragging of an anti-frequent bending makes control cable, is by the parallel placement of a plurality of cable core elements (1), outside a plurality of cable core elements (1) of parallel placement, extrudes oversheath (2) and becomes the flat cable of flat pattern to form;
Described cable core element (1) extrudes inner sheath (1-2) outward by the parallel placement of two core elements (1-1) and forms;
It is characterized in that: described core element (1-1) is to be cordage (1-1-3) by the center, the conductor (1-1-4) of the thin burst of silk braiding that useful conductive fiber and copper filament tow are twisted into outside cordage, and the outer extruded insulation layer (1-1-5) of conductor is formed;
Described conductive fiber and copper filament tow are twisted into thin strand of silk, wherein the cross section percentage that contains of conductive fiber is 20-30%, the cross section percentage that the copper monofilament contains is 80-70%.
6. the dragging of a kind of anti-frequent bending according to claim 5 makes control cable, it is characterized in that: described conductive fiber is to be made up of synthetic fibers coating surface copper conductive layer.
7. the dragging of a kind of anti-frequent bending according to claim 5 makes control cable; It is characterized in that: described buffer insulation layer, insulating barrier, inner sheath and oversheath all adopt well behaved elastomeric material, a kind of as in ethylene-propylene rubber, neoprene, polyurethane and the polyvinyl chloride butyronitrile compound.
8. the dragging of a kind of anti-frequent bending according to claim 5 makes control cable, it is characterized in that: described cordage is formed for the aramid fiber material.
An anti-frequent bending drag the manufacturing approach that makes control cable, it is characterized in that concrete steps are following:
A. the thin strand of silk that conductive fiber and copper filament tow is twisted into, wherein the cross section percentage that contains of conductive fiber is 20-30%, the cross section percentage that the copper monofilament contains is 80-70%;
B. outside cordage, with thin burst of good silk knitted conductor of above-mentioned bundle strand, the conductor total cross section requires to decide according to the design ampacity, and the outer extruded insulation layer of conductor constitutes the core element;
C. with extruding inner sheath after two parallel placements of core element, form the cable core element;
D. process dragging of anti-frequent bending and make control cable extruding oversheath after the parallel placement of a plurality of cable core elements more as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100278037A CN102543278A (en) | 2012-02-08 | 2012-02-08 | Festoon control cable resistant to frequent bending and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100278037A CN102543278A (en) | 2012-02-08 | 2012-02-08 | Festoon control cable resistant to frequent bending and manufacturing method |
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| CN102543278A true CN102543278A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100278037A Pending CN102543278A (en) | 2012-02-08 | 2012-02-08 | Festoon control cable resistant to frequent bending and manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872414A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Novel bending-resistant radio-frequency coaxial cable |
| CN103872420A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Preparation method of novel bending-resistant radio-frequency coaxial cable |
| CN107154281A (en) * | 2016-03-02 | 2017-09-12 | 矢崎总业株式会社 | Heat-resisting and oil resistant insulated electric conductor |
-
2012
- 2012-02-08 CN CN2012100278037A patent/CN102543278A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872414A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Novel bending-resistant radio-frequency coaxial cable |
| CN103872420A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Preparation method of novel bending-resistant radio-frequency coaxial cable |
| CN107154281A (en) * | 2016-03-02 | 2017-09-12 | 矢崎总业株式会社 | Heat-resisting and oil resistant insulated electric conductor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201201 No. 530 Wu Song Road, Shanghai, Minhang District Applicant after: Shanghai Jinfeng Cable Co., Ltd. Address before: 201201 No. 530 Wu Song Road, Shanghai, Minhang District Applicant before: Shanghai Jinfeng Wire and Cable Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANGHAI JINFENG WIRE + CABLE CO., LTD. TO: SHANGHAI JINFENG CABLE CO., LTD. |
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |