CN105810300A - Cable for construction elevator - Google Patents
Cable for construction elevator Download PDFInfo
- Publication number
- CN105810300A CN105810300A CN201610239131.4A CN201610239131A CN105810300A CN 105810300 A CN105810300 A CN 105810300A CN 201610239131 A CN201610239131 A CN 201610239131A CN 105810300 A CN105810300 A CN 105810300A
- Authority
- CN
- China
- Prior art keywords
- core
- cable
- periphery
- construction elevator
- conductor layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
- H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
Landscapes
- Ropes Or Cables (AREA)
Abstract
The invention discloses a cable for a construction elevator. The cable comprises wire cores, a reinforcement core and a sheath layer, wherein the plurality of wire cores and the reinforcement core are stranded to form a cable core, the sheath layer wraps the periphery of the cable core, each wire core comprises a conductor layer, an insulation layer and a weaving layer, the conductor layer is formed by twisting a plurality of wire bundles plated with tin and then twisting the wire bundles again, the insulation layer wraps the periphery of the conductor layer, and the weaving layer is arranged at the periphery of the insulation layer. By the cable, the characteristics of electrical performance, high tensile resistance, high flexibility, high weather resistance, oil resistance, flame retardancy and the like of the cable can be improved.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of construction elevator cable.
Background technology
Cable used by current domestic traditional construction elevator is using the problems such as the deformation that will be distorted after some months, bulge, broken skin, even heart yearn fracture, one construction elevator upper and lower hundreds of every day, day by day, under the effect of twisting resistance, cable lower end is easily caused deformation by overfatigue, so common cable is difficult to use for a long time on construction elevator.
Traditional construction elevator cable conductor adopts the stranded molding of synnema of the 5th class conductor, and the bending property of the conductor of this stranded molding of stranded mode is general, is in bending and the state reversed for a long time, it is easy to broken lot, disconnected core occur.
Common construction elevator cable shows generally in the tensile property of cable, it is common that increasing an ordinary steel wire in cable and improve the tensile property of cable, bulge, cracking will occur cable in use for some time, and the phenomenon of even disconnected core occurs.
The construction elevator cable of parts of traditional adds implant, although so filled up the space between core, but and closely knit not, under repeatedly bending day by day, reversing, core arises that deformation, movement, misplaces, and causes that cable goes wrong.
Common construction elevator cable is generally adopted common rubber sheath, and the performance such as the weatherability of General Purpose Rubber sheath, thermostability, pull resistance, bendability is all general, it is impossible to bears sunlight and tans by the sun for a long time, sooner or later the temperature difference, Long-term bend, torsion etc..
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of construction elevator cable.
A kind of construction elevator cable that the present invention proposes, including core, strengthening core and restrictive coating；
Many cores and strengthening core are through stranded formation cable core, and restrictive coating is coated on the periphery of cable core；
Core includes conductor layer, insulating barrier and braid, and conductor layer is answered strand again and formed after being twisted into strand by the many strands being coated with stannum；Insulating barrier is coated on the periphery of conductor layer, and braid is arranged on the periphery of insulating barrier.
Preferably, described conductor layer is made up of the 6th class conductor.
Preferably, the 6th described class conductor is copper wire.
Preferably, strengthening core is made up of aircraft cord wire material, and the periphery of strengthening core is extruded with the scuff-resistant coating that cross-linking radiation EP rubbers is formed.
Preferably, the periphery that insulating barrier is extruded in conductor layer by cross-linking radiation EP rubbers material is formed.
Preferably, braid is formed by aramid fiber yarn braiding.
Preferably, the periphery that restrictive coating is extruded in cable core by neoprene material is formed.
Preferably, strand is formed by 3-8 root strand strand, and conductor layer includes 4-8 root strand.
Compared with prior art, the method have the advantages that:
A kind of construction elevator cable that the present invention proposes, after many cores and the stranded formation cable core of strengthening core, extrudes formation restrictive coating in the periphery of cable core.
Owing to adding the strengthening core being made up of aircraft cord wire in cable, and be provided with in the periphery of insulating barrier by the braid of aramid fiber yarn braiding, the resistance to tension of cable can be improved, the tensile strength of aircraft cord wire is up to more than 1865MPa, and there is higher decay resistance, fatigue performance and rupture pull force performance, aramid fiber yarn tensile strength is high, lightweight, therefore, it is possible to improve the tensile strength of core.Owing to insulating barrier adopts cross-linking radiation ethylene propylene rubber insulation material to make, and cross-linking radiation ethylene propylene rubber insulation material has the electric property of excellence, higher thermostability, good chemical stability, it is possible to increase the decay resistance of cable.Simultaneously as restrictive coating employs neoprene protective cover material, this kind of protective cover material tolerance to cold is high,-40 DEG C can be reached, sooner or later temperature difference place big, severe cold can also normally use out of doors, and tensile strength can reach more than 16.0N/mm2, and tear strength is up to about 13.1N/mm.Such cable has high-mechanical property, high fatigue durability, elasticity, wearability, oil resistivity and ageing-resistant performance, it is highly suitable for long-term work in the open, the adverse circumstances such as greasy dirt use, and in the every day of bending repeatedly up and down, torsion situation, problem can not had by cable.
Due to the not packing and do not use twining package tape when stranding, adopting squash type when extruding restrictive coating, rubber can be mounted in the gap of core, and so, cable is when bearing twisting resistance, and each core will not be moved and cause distortion of the cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of core disclosed in this invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
As it is shown in figure 1, Fig. 1 is the structural representation of the present invention.Including core 1, strengthening core 2 and restrictive coating 3.
Many cores 1 and strengthening core 2 are through stranded formation cable core, and when being embodied as, strengthening core 2 is made up of aircraft cord wire material, and the periphery of strengthening core 2 is extruded with the scuff-resistant coating 4 that cross-linking radiation EP rubbers is formed.The tensile strength of aircraft cord wire up to more than 1865MPa, also has higher decay resistance, fatigue performance and rupture pull force performance, and the periphery of strengthening core 2 extrudes one layer of cross-linking radiation EP rubbers, it is possible to prevent core 1 from sustaining damage.Restrictive coating 3 is coated on the periphery of cable core, and when being embodied as, the periphery that restrictive coating 3 is extruded in cable core by neoprene material is formed.Adopting squash type when extruding restrictive coating 3, be directly squeezed in on cable core, rubber can be mounted in the gap of core 1, and such cable is when bearing twisting resistance, and each core 1 will not occur relative movement to cause distortion of the cable.
As in figure 2 it is shown, the structural representation that Fig. 2 is core disclosed in this invention, core 1 includes conductor layer 101, insulating barrier 102 and braid 103, and conductor layer 101 is answered strand again and formed after being twisted into strand by the many strands being coated with stannum.When being embodied as, described conductor layer 101 is made up of the 6th class conductor.More specifically, the 6th described class conductor is copper wire.Owing to conductor layer 101 adopts the 6th kind of conductor, and adopt the first synnema multiple stranded mode twisted again, make cable not only have good electric property, also improve the flexibility of cable.When being embodied as, strand is formed by 3-8 root strand strand, and conductor layer 101 includes 4-8 root strand.Insulating barrier 102 is coated on the periphery of conductor layer 101, and when being embodied as, the periphery that insulating barrier 102 is extruded in conductor layer 101 by cross-linking radiation EP rubbers material is formed.Owing to cross-linking radiation EP rubbers material has the electric property of excellence, higher thermostability, good chemical stability, it is possible to increase the heat resistance of cable, braid 103 is arranged on the periphery of insulating barrier 102.When being embodied as, braid 103 is formed by aramid fiber yarn braiding, and aramid fiber yarn tensile strength is high, lightweight, therefore, arranges one layer of aramid fiber yarn braiding enhancement Layer, improve the tensile strength of core outside insulated wire cores.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a construction elevator cable, it is characterised in that: include core (1), strengthening core (2) and restrictive coating (3)；
Many cores (1) and strengthening core (2) are through stranded formation cable core, and restrictive coating (3) is coated on the periphery of cable core；
Core (1) includes conductor layer (101), insulating barrier (102) and braid (103), and conductor layer (101) is answered strand again and formed after being twisted into strand by the many strands being coated with stannum；Insulating barrier (102) is coated on the periphery of conductor layer (101), and braid (103) is arranged on the periphery of insulating barrier (102).
2. construction elevator cable according to claim 1, it is characterised in that: described conductor layer (101) is made up of the 6th class conductor.
3. construction elevator cable according to claim 2, it is characterised in that: the 6th described class conductor is copper wire.
4. construction elevator cable according to claim 1, it is characterised in that: strengthening core (2) is made up of aircraft cord wire material, and the periphery of strengthening core (2) is extruded with the scuff-resistant coating (4) that cross-linking radiation EP rubbers is formed.
5. construction elevator cable according to claim 1, it is characterised in that: the periphery that insulating barrier (102) is extruded in conductor layer (101) by cross-linking radiation EP rubbers material is formed.
6. construction elevator cable according to claim 1, it is characterised in that: braid (103) is formed by aramid fiber yarn braiding.
7. construction elevator cable according to claim 1, it is characterised in that: the periphery that restrictive coating (3) is extruded in cable core by neoprene material is formed.
8. the construction elevator cable according to claim, it is characterised in that: strand is formed by 3-8 root strand strand, and conductor layer (101) includes 4-8 root strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239131.4A CN105810300A (en) | 2016-04-18 | 2016-04-18 | Cable for construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239131.4A CN105810300A (en) | 2016-04-18 | 2016-04-18 | Cable for construction elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105810300A true CN105810300A (en) | 2016-07-27 |
Family
ID=56460730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239131.4A Pending CN105810300A (en) | 2016-04-18 | 2016-04-18 | Cable for construction elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105810300A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060131062A1 (en) * | 2004-10-29 | 2006-06-22 | Harald Bertges | Flexible multicore electrical cable |
| CN203250550U (en) * | 2013-03-11 | 2013-10-23 | 安徽龙庵电缆集团有限公司 | Light reel rubber control flexible cable |
| CN203397735U (en) * | 2013-08-09 | 2014-01-15 | 浙江万马电缆股份有限公司 | Construction-ladder rubber-sleeve flexible cable |
| CN205670445U (en) * | 2016-04-18 | 2016-11-02 | 安徽龙庵电缆集团有限公司 | A kind of construction elevator cable |
-
2016
- 2016-04-18 CN CN201610239131.4A patent/CN105810300A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060131062A1 (en) * | 2004-10-29 | 2006-06-22 | Harald Bertges | Flexible multicore electrical cable |
| CN203250550U (en) * | 2013-03-11 | 2013-10-23 | 安徽龙庵电缆集团有限公司 | Light reel rubber control flexible cable |
| CN203397735U (en) * | 2013-08-09 | 2014-01-15 | 浙江万马电缆股份有限公司 | Construction-ladder rubber-sleeve flexible cable |
| CN205670445U (en) * | 2016-04-18 | 2016-11-02 | 安徽龙庵电缆集团有限公司 | A kind of construction elevator cable |
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