CN204066819U - Warp resistance tensile type moves class cable - Google Patents
Warp resistance tensile type moves class cable Download PDFInfo
- Publication number
- CN204066819U CN204066819U CN201420483786.2U CN201420483786U CN204066819U CN 204066819 U CN204066819 U CN 204066819U CN 201420483786 U CN201420483786 U CN 201420483786U CN 204066819 U CN204066819 U CN 204066819U
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- cable
- conductor
- warp resistance
- core
- tensile type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a kind of warp resistance tensile type and move class cable, comprising: some cores, core comprises conductor, the conductor isolation strip of coating conductor and the insulating barrier of coating conductor isolation strip; Some cores are set up in parallel, and arrange filler composition cable core in its aligned gaps; Cable core is coated with cable core isolation strip, inner sheath, fabric reinforcement and oversheath from inside to outside successively.This cable is applicable to the occasion of mobile electrical equipment in running under cable Tensile and reversed torsion effect, in running the continuous core of the conductor of cable, insulation is not damaged, cable core is indeformable; Thus make cable security, reliability service, extend cable useful life, simultaneously the safe operation of protective device equipment effectively.
Description
Technical field
The utility model relates to field of cable technology, especially, relates to a kind of warp resistance tensile type and moves class cable.
Background technology
450/750V in JB/T 8735 and GB/T 5013 General rubber sleeve cable and following mobile class rubber insulation and jacketed cable, be applicable to various moveable electric equipment, electric tool, instrument and household appliance and be used as power line.Such cable adopts thin copper wire multiply bundle to close, be twisted into conductor (being generally the 5th kind of soft copper conductor) again after, extrude rubber insulation layer, after sulfuration, multicore twisted synthesizing cable, then extrude sheath, sulfuration forms.
At present, all kinds of mobile electric appliances equipment (as track hoisting equipment, hoist engine etc.) in its use procedure, consider its work service requirement cable thisly back and forth stretching continually, distortion volume scratches the continuous core of the conductor of cable in process, insulation is not damaged, do not play cage and encircle and sheath; Thus make cable security, reliability service, and require that cable is durable in use.And frequently there is cable core break in existing rubber insulation and the service condition of jacketed cable in this occasion, cable core rise turn round with sheath wrinkling, finally often cable install run useful life shorter, just do not break down to scheduled time cable and scrap.Occur that the main cause of above-mentioned phenomenon is:
(1) conductor structure adopts the 5th kind of soft copper conductor, and for this type of use occasion, the flexibility of conductor is not enough.
(2) conductor strand direction, the strand that strand type conductor adopts again is contrary with the direction of layer twisted wire each when twisting again, the monofilament of conductor its conductor under stretching twisted state extends contrary with contraction when flexural deformation, and the inner stress produced is inconsistent, thus exacerbates the generation of single wire fracture.
(3) lay ratio of bunch and bundle strand, multiple stranded conductor and cable core is large, and stretch little with deformation surplus during distortion, the deformational stress directly acting on cable axis is large, and conductor, cable core distortion folding and disconnected core and damage in insulation easily occur.
(4) cable cover(ing) structure is single, relatively this occasion, hot strength and torsional resistance inadequate.
Utility model content
The utility model object is to provide a kind of warp resistance tensile type to move class cable, to solve rubber insulation of the prior art and cable core break easily appears in jacketed cable, cable core rises and turns round with sheath wrinkling, finally causes the problem that cable useful life is short.
For achieving the above object, the utility model provides a kind of warp resistance tensile type to move class cable, comprising: some cores, and core comprises conductor, the conductor isolation strip of coating conductor and the insulating barrier of coating conductor isolation strip; Some cores are set up in parallel, and arrange filler composition cable core in its aligned gaps; Cable core is coated with cable core isolation strip, inner sheath, fabric reinforcement and oversheath from inside to outside successively.
Further, conductor is that some strand bundles close structure; Conductor is that some strand bundles close structure, and its bundle closes lay ratio≤14.
Further, conductor is that some strand Shu Hefu tangle structure, and its bundle closes lay ratio≤18, twists lay ratio≤11 again, outer field lay ratio≤9 of conductor; The twisted wire direction of the strand of conductor is with to twist twisted wire direction again identical.
Further, lay ratio≤12 of cable core.
Further, fabric reinforcement is axially distributed between inner sheath and oversheath along cable, and the spaced radial of adjacent fabric reinforcement is 3-8mm.
Further, insulating barrier is the insulating barrier of ethylene-propylene rubber material.
Further, inner sheath is CPE(Chlorinated Polyethylene, haloflex) inner sheath of material.
Further, fabric reinforcement is the fabric reinforcement of terylene or aramid fiber material.
Further, oversheath is the oversheath of CPE material.
The utility model has following beneficial effect:
This cable is applicable to the occasion of mobile electrical equipment in running under cable Tensile and reversed torsion effect, in running the continuous core of the conductor of cable, insulation is not damaged, cable core is indeformable; Thus make cable security, reliability service, extend cable useful life, simultaneously the safe operation of protective device equipment effectively.
Accompanying drawing explanation
Below with reference to figure, the utility model is described in further detail.The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation that the utility model warp resistance tensile type moves class cable preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Refer to Fig. 1, preferred embodiment of the present utility model provides a kind of warp resistance tensile type and moves class cable, comprising: some cores, and core comprises conductor 1, the conductor isolation strip 2 of coating conductor 1 and the insulating barrier 3 of coating conductor isolation strip 2; Some cores are set up in parallel, and arrange the first filler 4 and the second filler 5 forms cable core in its aligned gaps; Cable core is coated with from inside to outside successively cable core isolation strip 6, inner sheath 7, fabric reinforcement 8 and oversheath 9.Inner sheath 7, fabric reinforcement 8 combine with oversheath 9 three layers and form the compound sheath of cable, have good protective capacities, and conductor 1 and insulating barrier 3 can be protected injury-free.This cable is applicable to the occasion of mobile electrical equipment in running under cable Tensile and reversed torsion effect, in running the continuous core of the conductor of cable, insulation is not damaged, cable core is indeformable; Thus make cable security, reliability service, extend cable useful life, simultaneously the safe operation of protective device equipment effectively.
Preferably, conductor is that some strand bundles close structure or some strand Shu Hefu and to tangle structure; The direct Shu Hecheng conductor 1 of conductor material for small bore, the conductor material for larger cross-section wants first Shu Hehou to be twisted into conductor 1 again.Conductor 1 is that some strand bundles close structure, and its bundle closes lay ratio≤14; Any single line of every layer in twisted wire is all make helical form strand by certain strand controlling angle around a center line to twist with the fingers.At one of twisted wire axis direction complete spiral pitch h, be called pitch length.Pitch length h and the ratio of twisted wire outer diameter D, be called " lay ratio ".The size of lay ratio, is related to the size of the tightness degree of twisted wire, strand weight and twisted wire resistance.Conductor 1 to tangle structure for some strand Shu Hefu, and its bundle closes lay ratio≤18, twists lay ratio≤11 again, outer field lay ratio≤9 of conductor.Lay ratio≤12 of cable core.Conductor 1 and cable core adopt less and rational lay ratio, and when cable tensile strain and distortion, deformation surplus is large, and the deformational stress directly acting on cable axis is little, conductor 1, cable core distortion folding not easily broken core, insulating barrier 3 not cracky.The twisted wire direction of the strand of conductor 1 is with to twist twisted wire direction again identical.Adopt this structure to have comparatively outstanding advantage, each stock of the conductor 1 of stranded formation, the slipping property of each interlayer are good, effectively can ensure that cable very easily recovers in the deformation bent and produce in twist process.
Preferably, fabric reinforcement 8 is axially distributed between inner sheath 7 and oversheath 8 along cable, and the spaced radial of adjacent fabric reinforcement 8 is 3-8mm.Fabric reinforcement 8 is the fabric reinforcement of terylene or aramid fiber material.
Preferably, insulating barrier 3 is the insulating barrier of ethylene-propylene rubber material.Ethylene-propylene rubber has good water-resistance, and has good flexible nature.
Preferably, inner sheath 7 and oversheath 9 all adopt CPE(Chlorinated Polyethylene, haloflex) material.CPE material has excellent weatherability, resistance to ozone, chemical-resistant resistance and ageing-resistant performance, there is good oil resistance, anti-flammability and tinctorial property, toughness good (still having pliability at-30 DEG C), inner sheath 7 and oversheath 9 all adopt CPE material can to get up good protective action to cable core.
The warp resistance tensile type that this preferred embodiment provides moves class cable, and its specific implementation process is as follows:
In the present embodiment, the conductor 1 of cable adopts the 5th kind of annealed copper conductor, conductor was produced through wire drawing, annealing, Shu He, stranded several stage, the wire drawing of copper single line by completing on wire drawing machine, annealing completes on tubular annealing unit, the bundle of conductor 1 is combined on bunching machine and completes, and strand system completes the core of cable by stranded on cage stranding machine and wrapped conductor isolation strip 2.
Insulating barrier 3 adopts the Insulation Material of second third or similar polymer connect sulphur unit extruded insulation material by squeezing rubber and complete through sulfuration.
Core, the first filler 4 and the second filler 5 twist the stranded and wrapped cable core isolation strip 6 of cable core formula cabler completing cable at cage.
Inner sheath 7 adopts the fire-retardant CPE of high strength, high abrasion or suitable material, extrudes and sulfuration by connecting crowded rubber sulphur unit completes.
After fabric reinforcement 8 adopts the terylene of high strength or aramid fiber to restraint on bunching machine to be twisted into stock, squeeze outside when cover 9 extrudes and be axially distributed on inner sheath 7.
Oversheath 9 adopts and the high strength of inner sheath 7 performance similar compatibility, the fire-retardant CPE of high abrasion or suitable material, extrudes and sulfuration by connecting crowded rubber sulphur unit completes.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
This cable is applicable to the occasion of mobile electrical equipment in running under cable Tensile and reversed torsion effect, in running the continuous core of the conductor of cable, insulation is not damaged, cable core is indeformable; Thus make cable security, reliability service, extend cable useful life, simultaneously the safe operation of protective device equipment effectively.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model; For a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. warp resistance tensile type moves a class cable, it is characterized in that, comprising:
Some cores, described core comprises conductor, the conductor isolation strip of coated described conductor and the insulating barrier of coated described conductor isolation strip; Some described cores are set up in parallel, and arrange filler composition cable core in its aligned gaps; Described cable core is coated with cable core isolation strip, inner sheath, fabric reinforcement and oversheath from inside to outside successively.
2. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described conductor is that some strand bundles close structure; Described conductor is that some strand bundles close structure, and its bundle closes lay ratio≤14.
3. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described conductor is that some strand Shu Hefu tangle structure, and its bundle closes lay ratio≤18, twists lay ratio≤11 again, outer field lay ratio≤9 of described conductor; The twisted wire direction of the described strand of described conductor is identical with described twisted wire direction of twisting again.
4. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Lay ratio≤12 of described cable core.
5. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described fabric reinforcement is axially distributed between described inner sheath and described oversheath along described cable, and the spaced radial of adjacent described fabric reinforcement is 3-8mm.
6. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described insulating barrier is the insulating barrier of ethylene-propylene rubber material.
7. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described inner sheath is the inner sheath of CPE material.
8. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described fabric reinforcement is the fabric reinforcement of terylene or aramid fiber material.
9. warp resistance tensile type according to claim 1 moves class cable, it is characterized in that:
Described oversheath is the oversheath of CPE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483786.2U CN204066819U (en) | 2014-08-26 | 2014-08-26 | Warp resistance tensile type moves class cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483786.2U CN204066819U (en) | 2014-08-26 | 2014-08-26 | Warp resistance tensile type moves class cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204066819U true CN204066819U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420483786.2U Expired - Fee Related CN204066819U (en) | 2014-08-26 | 2014-08-26 | Warp resistance tensile type moves class cable |
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| Country | Link |
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| CN (1) | CN204066819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157350A (en) * | 2014-08-26 | 2014-11-19 | 江苏天地龙电缆有限公司 | Twisting-resistant tensile type movable-class cable |
-
2014
- 2014-08-26 CN CN201420483786.2U patent/CN204066819U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157350A (en) * | 2014-08-26 | 2014-11-19 | 江苏天地龙电缆有限公司 | Twisting-resistant tensile type movable-class cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150826 |
|
| EXPY | Termination of patent right or utility model |