CN105529068A - Elevator cable - Google Patents
Elevator cable Download PDFInfo
- Publication number
- CN105529068A CN105529068A CN201610036918.0A CN201610036918A CN105529068A CN 105529068 A CN105529068 A CN 105529068A CN 201610036918 A CN201610036918 A CN 201610036918A CN 105529068 A CN105529068 A CN 105529068A
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- China
- Prior art keywords
- groups
- group
- cable
- line group
- wire
- 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.)
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Classifications
-
- 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
- H01B7/08—Flat or ribbon cables
- H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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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
- H01B7/1875—Multi-layer sheaths
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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
- H01B7/22—Metal wires or tapes, e.g. made of steel
Abstract
The invention discloses an elevator cable. The elevator cable comprises a sheath and at least a control wire group and at leas two communication wire groups that are positioned in the sheath, wherein the control wire group is positioned in the central position in the sheath; and the communication wire groups are symmetrically arranged on the two sides of the control wire group. According to the elevator cable, the communication wire groups are positioned in the sheath, so that the communication wire groups are further protected, the safety of the communication wire groups in use is improved, and the service life of the communication wire groups is prolonged; and meanwhile, the well arrangement can be more concise and the cable maintenance can be simpler and more convenient.
Description
Technical field
The present invention relates to elevator cable technical field, especially relate to a kind of elevator cable.
Background technology
Elevator is requisite equipment of riding instead of walk in skyscraper, and along with the needs of the development of science and technology and people's work, life, also needs some communication equipments such as communication and monitoring in elevator.Current elevator cable, it is built-in with control line group, and order wire group is independently gone out, and makes hoistway layout complicated, operationally easily causes cable damage, reduce useful life, and troublesome maintenance.Especially for super high speed elevator, control line group and order wire group are along with elevator fast lifting, and the deflection angle in lifting process and amplitude of fluctuation are comparatively large, in narrow and small hoistway space, easy grazing well enclosure or lift car, damaging or phenomenon of rupture easily appears in cable.
Summary of the invention
Based on this; the invention reside in the defect overcoming prior art; a kind of elevator cable is provided; its order wire group is positioned at sheath; the layer protection that made order wire group many; improve the safety in utilization of order wire group and extend the useful life of order wire group, make hoistway layout more succinct, the maintenance of cable is easier simultaneously.
Its technical scheme is as follows:
A kind of elevator cable, comprise sheath, be positioned at least one group of control line group of described sheath and at least two group communication line groups, described control line group is positioned at the center of described sheath, and described order wire group is symmetrically arranged in the both sides of described control line group.
Wherein in an embodiment, described order wire group comprises two groups of video line groups and two groups of cable line groups of twisted synthesizing cable, the straight line cross at the place, center of cable line group described in the straight line at the place, center of video line group described in two groups and two groups.
Wherein in an embodiment, the direction of lay being positioned at the described order wire group of described control line group both sides is contrary.
Wherein in an embodiment, described video line group comprises the first restrictive coating, be sheathed on the first proof copper-wire braided screen in described first restrictive coating and be positioned at two first order wires of the first proof copper-wire braided screen, two described first order wire twisted synthesizing cables.
Wherein in an embodiment, described cable line group comprises the second restrictive coating and is positioned at two second communication lines, two optical cables of described second restrictive coating, two described second communication lines and two described optical cable twisted synthesizing cables, the straight line cross at the straight line at the place, center of two described second communication lines and the place, center of two described optical cables.
Wherein in an embodiment, described cable line group also comprises the second proof copper-wire braided screen be sheathed in described second restrictive coating and the semiconductive shielding layer be sheathed in described second proof copper-wire braided screen, and two described second communication lines and two described optical cables are all positioned at described semiconductive shielding layer.
Wherein in an embodiment, described optical cable comprises optical fiber, the tight restrictive coating be sheathed on outside described optical fiber, be sheathed on the aramid fiber layer outside described tight restrictive coating and be sheathed on the 3rd restrictive coating outside described aramid fiber layer.
Wherein in an embodiment, described control line group comprises the first filled core and controls wire harness around described first filled core stranded many groups, often organizes described control wire harness and comprises the second filled core and around the stranded many control lines of described second filled core.
Wherein in an embodiment, the direction of lay often organized between many described control lines in described control wire harness contrary with the direction of lay organized between described control wire harness more, described control line group is many groups, and the direction of lay of many groups in control line group described in two adjacent groups described control wire harness is contrary.
Wherein in an embodiment, also comprise the two back twist steel wire ropes being positioned at described sheath, described back twist steel wire rope is symmetrically distributed in the both sides of described control line group, and the direction of lay of two described back twist steel wire ropes is contrary.
Below the advantage of preceding solution or principle are described:
The invention provides a kind of elevator cable, its order wire group is positioned at sheath, the layer protection that made order wire group many, improves the safety in utilization of order wire group, extends its useful life.Make hoistway layout more succinct, the maintenance of cable is easier simultaneously.In addition, because the unit weight of control line group is comparatively large, it is placed in center in sheath and makes cable steadily of centre of gravity, is conducive to reducing rocking of cable during operation.Order wire group symmetric arrays, in the both sides of described control line group, is conducive to keeping cable balancing.
Described order wire group by cross two groups of video line groups and two groups of cable line groups are stranded forms.Video line group is mainly used in the transmission of vision signal; Cable line group is mainly used in the transmission of multi-media signal, also can be used for video signal transmission.Thus described order wire group both can transmission video signal, also can transmitting multimedia signal, made cable achieve multi signal transfer function.Video line group and cable line group stranded time be cross shape, be conducive to saving order wire group and take up room, achieve the balanced weight of elevator cable simultaneously.
The direction of lay being positioned at the order wire group of the both sides of described control line group is contrary.The stranded stress of the order wire group of both sides is cancelled out each other, prevents elevator cable from twisting together and be out of shape, the resistance to tension of elevator cable can be strengthened, ensure that elevator cable is smooth.
Video line group comprises the first restrictive coating, be sheathed on the first proof copper-wire braided screen in the first restrictive coating and be positioned at two first order wires of the first proof copper-wire braided screen.Between the first restrictive coating and the first order wire, being provided with the first proof copper-wire braided screen, for shielding external interference signal, improving the signal transmission quality of the first order wire.
Two second communication lines of cable line group cross and two optical cable twisted synthesizing cables, then extrude semiconductive shielding layer, the second proof copper-wire braided layer and extrude the second restrictive coating.Semiconductive shielding layer is closely extruded on the cable core of second communication line and optical cable composition, fixes their respective positions, prevents slippage in running, ensures security of operation and the useful life of optical cable.Meanwhile, the shielding mode adopting semiconductive shielding layer to combine with the second proof copper-wire braided screen, is conducive to improving shield effectiveness, improves communication transmission quality.
Control line group adopts compound twisting process, increases the thickness of elevator cable, to expand the U-shaped bending radius of cable, adapts to the requirement that elevator ultrahigh speed is run.
The direction of lay often organized between many described control lines in described control wire harness contrary with the direction of lay organized between described control wire harness more, the direction of lay of the described control wire harness in control line group described in two adjacent groups is contrary, in order to offset because of stranded produced stress, ensure the smooth of elevator cable, reduce the deflection therefore produced when cable runs.
The present invention also comprises at least two back twist steel wire ropes being positioned at described sheath, and described back twist steel wire rope is symmetrically distributed in described sheath.Load-bearing component adopts back twist steel wire rope, eliminates internal stress, reduces the deflection produced because of steel wire rope internal stress, be conducive to the stable of cable; Meanwhile, back twist steel wire rope symmetric arrays is in sheath, and its direction of lay is contrary, is conducive to installation and operation and stablizes, reduce the stress of stranded generation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the elevator cable described in the embodiment of the present invention;
Fig. 2 is the structural representation of the control line group described in the embodiment of the present invention;
Fig. 3 is the structural representation of the control wire harness described in the embodiment of the present invention;
Fig. 4 is the structural representation of the order wire group described in the embodiment of the present invention;
Fig. 5 is the structural representation of the video line group described in the embodiment of the present invention;
Fig. 6 is the structural representation of the cable line group described in the embodiment of the present invention;
Fig. 7 is the structural representation of the optical cable described in the embodiment of the present invention.
Description of reference numerals:
100, sheath, 200, control line group, 210, first filled core, 220, control wire harness, 221, second filled core, 222, control line, 2221, first conductor, 2222, first insulating barrier, 300, order wire group, 310, video line group, 311, first order wire, 3111, second conductor, 3112, second insulating barrier, 312, filled media, 313, first proof copper-wire braided screen, 314, first restrictive coating, 320, cable line group, 321, second communication line, 3211, 3rd conductor, 3212, 3rd insulating barrier, 322, optical cable, 3221, optical fiber, 3222, tight restrictive coating, 3223, aramid fiber layer, 3224, 3rd restrictive coating, 323, semiconductive shielding layer, 324, second proof copper-wire braided screen, 325, second restrictive coating, 400, back twist steel wire rope.
Embodiment
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.Should be understood that, embodiment described herein only in order to explain the present invention, does not limit protection scope of the present invention.
As shown in Figure 1, a kind of elevator cable, comprises the sheath 100 that cross section is flat, at least one group of control line group 200 being positioned at described sheath 100 and at least two group communication line groups 300.Described control line group 200 is positioned at the center of described sheath 100, and described order wire group 300 symmetric arrays is in the both sides of described control line group 200.Order wire group 300 is positioned in sheath 100 by the present invention, makes order wire group more than 300 layer protection, improves the safety in utilization of communications portion, extends its useful life.Hoistway layout is more succinct simultaneously, and the maintenance of cable is easier.In addition, because the unit weight of control line group 200 is comparatively large, it is placed in center in sheath 100 and makes cable steadily of centre of gravity, is conducive to reducing rocking of cable during operation.The both sides of order wire group 300 symmetric arrays in described sheath 100, are conducive to keeping cable balancing, reduce deflection angle during cable lifting.
As Figure 1-3, in the present embodiment, described control line group 200 is four groups, and four groups of control line groups 200 are arranged side by side the center in sheath 100.Often organize described control line group 200 to comprise the first filled core 210 and control wire harness 220 around described first filled core 210 stranded many groups.Often organize described control wire harness 220 and comprise the second filled core 221 and around the stranded many control lines 222 of described second filled core 221.Every root control line 222 comprises the first insulating barrier 2222 of the first conductor 2221 and coated first conductor 2221, makes mutually insulated between control line 222.Control line group 200 adopts compound twisting process, increases the thickness of elevator cable, to expand the U-shaped bending radius of cable, adapts to the requirement that elevator ultrahigh speed is run.
Preferably, the direction of lay often organized between many described control lines 222 in described control wire harness 220 contrary with the direction of lay organized between described control wire harness 220 more; The direction of lay of many groups in control line group 200 described in two adjacent groups described control wire harness 220 is contrary.In order to offset because of stranded produced stress, ensure the smooth of elevator cable, reduce the deflection therefore produced when cable runs.
In the present embodiment, described order wire group 300 is two groups, and two group communication line groups 300 are symmetrically distributed in the both sides in sheath 100.The direction of lay of two group communication line groups 300 is contrary.The stranded stress of the order wire group 300 of sheath 100 both sides is cancelled out each other, prevents elevator cable from twisting together and be out of shape, the resistance to tension of elevator cable can be strengthened, ensure that elevator cable is smooth.
As shown in Figure 4, described order wire group 300 comprises two groups of video line groups 310 of multiple twin and the stranded two groups of cable line groups 320 of compound.Cable line group 320 twisted synthesizing cable described in video line group 310 described in two groups and two groups, and the straight line cross at the straight line at the place, center of two groups of video line groups 310 and the place, center of two groups of cable line groups 320.Video line group 310 is mainly used in the transmission of vision signal; Cable line group 320 is mainly used in the transmission of multi-media signal, also can be used for video signal transmission.Thus described order wire group 300 both can transmission video signal, also can transmitting multimedia signal, made cable achieve the transfer function of multi-signal.Video line group 310 and cable line group 320 cruciform symmetry are arranged, are conducive to saving signal line group and take up room, achieve the balanced weight of order wire group 300 simultaneously.
As shown in Figure 5, described video line group 310 comprises the first restrictive coating 314, is sheathed on the first proof copper-wire braided screen 313 in the first restrictive coating 314 and is positioned at two first order wires 311 of the first proof copper-wire braided screen 313.Two described first order wire 311 twisted synthesizing cables.First order wire 311 comprises the second insulating barrier 3112 of the second conductor 3111 and coated described second conductor 3111, makes mutually insulated between the first order wire 311, does not interfere with each other.First proof copper-wire braided screen 313, for shielding external interference signal, improves signal transmission quality.Particularly, filled media 312 is also provided with between described first order wire 311 and described first proof copper-wire braided screen 313.
As shown in Figure 6, described cable line group 320 comprises the second restrictive coating 325, the second proof copper-wire braided screen 324 be sheathed in the second restrictive coating 325, is sheathed on the semiconductive shielding layer 323 in the second proof copper-wire braided screen 324 and is positioned at two second communication lines, 321, two optical cables 322 of semiconductive shielding layer 323.Two second communication lines 321 and two optical cable 322 twisted synthesizing cables, and the straight line cross at the straight line at the place, center of two second communication lines 321 and the place, center of two optical cables 322.As from the foregoing, cable line group 320, by second communication line 321 and optical cable 322 cross twisted synthesizing cable, is conducive to keeping balanced weight.Extrude semiconductive shielding layer 323, second proof copper-wire braided layer 324 in the periphery of second communication line 321 and optical cable 322 and extrude the second restrictive coating 325.Wherein, semiconductive shielding layer 323 adopts extrusion process, is closely extruded on cable core that second communication line 321 and optical cable 322 form, fixes their respective positions, prevents slippage in running, ensure security of operation and the useful life of cable line group 320.Meanwhile, the shielding mode adopting semiconductive shielding layer 323 to combine with the second proof copper-wire braided screen 324, is conducive to improving shield effectiveness, improves communication transmission quality.
In the present embodiment, described second communication line 321 comprises the 3rd insulating barrier 3212 of the 3rd conductor 3211 and coated described 3rd conductor 3211.Described optical cable 322 comprises optical fiber 3221, the tight restrictive coating 3222 be sheathed on outside described optical fiber 3221, be sheathed on the aramid fiber layer 3223 outside described tight restrictive coating 3222 and be sheathed on the 3rd restrictive coating 3224 outside described aramid fiber layer 3223.Wherein, optical fiber 3221 is preferably 50/125 multimode fiber of double-deck ultra-violet curing acrylic acid coatings, has excellent anti-microbend performance and dynamic fatigue resistance, runs instructions for use with the elevator cable adapting to continuous cyclic bending.
As shown in Figure 1, in the present embodiment, the present invention also comprises the two back twist steel wire ropes 400 being positioned at described sheath 100.Described back twist steel wire rope 400 is symmetrically distributed in the both sides of control line group 200, and the direction of lay of two described back twist steel wire ropes 400 is contrary.Load-bearing component adopts back twist steel wire rope 400, eliminates internal stress, reduces the deflection produced because of steel wire rope 400 internal stress, be conducive to the stable of cable; Meanwhile, back twist steel wire rope 400 symmetric arrays is in sheath 100, and its direction of lay is contrary, is conducive to installation and operation and stablizes, reduce the stress of stranded generation.
In sum, the invention provides a kind of elevator cable, its order wire group 300 is positioned at sheath 100, makes order wire group more than 300 layer protection, improves the safety in utilization of order wire group 300, extend its useful life.Hoistway layout is more succinct simultaneously, and the maintenance of cable is easier, is conducive to being applied in super high speed elevator, improves the operating safety factor of super high speed elevator.Further, its order wire group 300 comprises video line group 310 and cable line group 320, both can transmission video signal also can transmitting multimedia signal, achieve the transfer function of multi-signal.In addition, control line group 200 adopts compound twisting process, increases the thickness of elevator cable, to expand the U-shaped bending radius of cable, adapts to the requirement that elevator ultrahigh speed is run.Load-bearing component adopts back twist steel wire rope, eliminates internal stress, reduces the deflection produced because of steel wire rope internal stress, be conducive to the stable of cable.
Each technical characteristic of above embodiment can combine arbitrarily, for making description succinct, each all possible combination of technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
Above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an elevator cable, it is characterized in that, comprise sheath, be positioned at least one group of control line group of described sheath and at least two group communication line groups, described control line group is positioned at the center of described sheath, and described order wire group is symmetrically arranged in the both sides of described control line group.
2. elevator cable according to claim 1, it is characterized in that, described order wire group comprises two groups of video line groups and two groups of cable line groups of twisted synthesizing cable, the straight line cross at the place, center of cable line group described in the straight line at the place, center of video line group described in two groups and two groups.
3. elevator cable according to claim 2, is characterized in that, the direction of lay being positioned at the described order wire group of described control line group both sides is contrary.
4. elevator cable according to claim 2, it is characterized in that, described video line group comprises the first restrictive coating, be sheathed on the first proof copper-wire braided screen in described first restrictive coating and be positioned at two first order wires of the first proof copper-wire braided screen, two described first order wire twisted synthesizing cables.
5. elevator cable according to claim 2, it is characterized in that, described cable line group comprises the second restrictive coating and is positioned at two second communication lines, two optical cables of described second restrictive coating, two described second communication lines and two described optical cable twisted synthesizing cables, the straight line cross at the straight line at the place, center of two described second communication lines and the place, center of two described optical cables.
6. elevator cable according to claim 5, it is characterized in that, described cable line group also comprises the second proof copper-wire braided screen be sheathed in described second restrictive coating and the semiconductive shielding layer be sheathed in described second proof copper-wire braided screen, and two described second communication lines and two described optical cables are all positioned at described semiconductive shielding layer.
7. elevator cable according to claim 5, is characterized in that, described optical cable comprises optical fiber, the tight restrictive coating be sheathed on outside described optical fiber, be sheathed on the aramid fiber layer outside described tight restrictive coating and be sheathed on the 3rd restrictive coating outside described aramid fiber layer.
8. elevator cable according to claim 1, it is characterized in that, described control line group comprises the first filled core and controls wire harness around described first filled core stranded many groups, often organizes described control wire harness and comprises the second filled core and around the stranded many control lines of described second filled core.
9. elevator cable according to claim 8, it is characterized in that, the direction of lay often organized between many described control lines in described control wire harness contrary with the direction of lay organized between described control wire harness more, described control line group is many groups, and the direction of lay of many groups in control line group described in two adjacent groups described control wire harness is contrary.
10. elevator cable according to any one of claim 1 to 9, it is characterized in that, also comprise the two back twist steel wire ropes being positioned at described sheath, described back twist steel wire rope is symmetrically distributed in the both sides of described control line group, and the direction of lay of two described back twist steel wire ropes is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036918.0A CN105529068B (en) | 2016-01-20 | 2016-01-20 | Elevator cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036918.0A CN105529068B (en) | 2016-01-20 | 2016-01-20 | Elevator cable |
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| Publication Number | Publication Date |
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| CN105529068A true CN105529068A (en) | 2016-04-27 |
| CN105529068B CN105529068B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036918.0A Active CN105529068B (en) | 2016-01-20 | 2016-01-20 | Elevator cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653383A (en) * | 2020-06-04 | 2020-09-11 | 珠江电缆实业有限公司 | Double-layer co-extrusion insulated cable and extrusion device for production thereof |
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| CN111653383A (en) * | 2020-06-04 | 2020-09-11 | 珠江电缆实业有限公司 | Double-layer co-extrusion insulated cable and extrusion device for production thereof |
| CN111653383B (en) * | 2020-06-04 | 2021-09-03 | 珠江电缆实业有限公司 | Double-layer co-extrusion insulated cable and extrusion device for production thereof |
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|---|---|
| CN105529068B (en) | 2017-12-05 |
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