CN220020683U - Elevator trailing cable - Google Patents
Elevator trailing cable Download PDFInfo
- Publication number
- CN220020683U CN220020683U CN202321494027.1U CN202321494027U CN220020683U CN 220020683 U CN220020683 U CN 220020683U CN 202321494027 U CN202321494027 U CN 202321494027U CN 220020683 U CN220020683 U CN 220020683U
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- unit
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- video communication
- communication cable
- cable
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- 238000004891 communication Methods 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000005260 corrosion Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011527 polyurethane coating Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000004705 High-molecular-weight polyethylene Substances 0.000 claims 1
- 239000005030 aluminium foil Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to an elevator trailing cable, which comprises a sheath unit, a video communication cable unit, a steel core twisting unit and a wire core unit, wherein the sheath unit is connected with the video communication cable unit; steel core twisting units are arranged in the video communication cable units between the adjacent video communication cable units and the wire core units and in the video communication cable units outside the wire core units; the frequency communication cable unit sequentially comprises a first insulating layer, a first shielding layer and a video communication cable from outside to inside; the wire core unit sequentially comprises a second shielding layer, a second insulating layer and a plurality of wire cores from outside to inside. According to the cable, the steel core twisting units are arranged in the sheath units at two sides of the video communication cable unit and the cable core unit, so that the tensile property of the cable body can be enhanced relatively evenly, and the service life of the cable body is ensured; through the structural setting that sheath unit includes oversheath and inner sheath for the cable body possesses good cold-resistant and wear-resisting performance, and the cable is difficult for hardening in winter cold weather.
Description
Technical Field
The utility model relates to the technical field related to cables for elevators, in particular to an elevator trailing cable.
Background
The elevator trailing cable is a professional cable in elevator operation, has an elevator trailing cable for video monitoring, also has an elevator trailing cable for a digital network, and the elevator is an indispensable equipment of riding instead of walk in high-rise buildings, and is required to move up and down frequently, and a cable for providing working power for the elevator also moves up and down inevitably, and needs some activities such as communication and monitoring in the elevator along with development of technology and demands of people on working and life.
Through mass search, the prior art publication number is CN210429347U, and an elevator trailing cable with a video communication cable is disclosed. Including the insulating sheath that is the platykurtic setting, be provided with four groups sinle silk groups in the insulating sheath, central point department is provided with video communication cable in the insulating sheath, the even distribution of sinle silk group is in video communication cable's both sides, its characterized in that, video communication cable's both sides still are provided with the central steel core group that stranded steel core pencil formed, one side that video communication cable was kept away from to the sinle silk group is provided with the outside steel core group that stranded steel core pencil formed, still be provided with aramid yarn winding layer in the insulating sheath, aramid yarn winding layer is including outside steel core group, sinle silk group, central steel core group and video communication cable parcel. The utility model has simple structure and convenient processing, and is suitable for large-scale popularization and use.
In summary, considering the bending performance of the elevator integrated cable, the working cable in the elevator cable usually has only one layer and is in a straight-line arrangement structure, and the cable is relatively thinner due to the structure, so that the tensile performance of the cable is reduced; in addition, the existing sheath is generally of an insulating sheath structure, does not have cold resistance and wear resistance, and the cable can be hardened in cold weather in winter, so that bending performance of the cable is reduced.
In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create an elevator trailing cable which has a more industrially useful value.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide an elevator travelling cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the elevator trailing cable comprises a sheath unit, a video communication cable unit, a steel core twisting unit and a wire core unit, wherein the video communication cable unit is arranged in the middle position in the sheath unit, and the wire core units are arranged in the sheath units on the left side and the right side of the video communication cable unit;
steel core twisting units are arranged in the video communication cable units between the adjacent video communication cable units and the wire core units and in the video communication cable units outside the wire core units;
the frequency communication cable unit sequentially comprises a first insulating layer, a first shielding layer and a video communication cable from outside to inside;
the wire core unit sequentially comprises a second shielding layer, a second insulating layer and a plurality of wire cores from outside to inside.
As a further improvement of the utility model, the sheath unit comprises an outer sheath and an inner sheath from outside to inside in sequence, and the thickness ratio of the outer sheath to the inner sheath is 1:0.8-1;
the outer sheath sequentially comprises a wear-resistant layer and a corrosion-resistant layer from outside to inside;
the inner sheath sequentially comprises a cold-resistant layer and an elastic layer from outside to inside.
As a further improvement of the utility model, the wear-resistant layer is a high molecular polyethylene coating, the corrosion-resistant layer is an acrylic polyurethane coating, and the thickness ratio of the wear-resistant layer to the corrosion-resistant layer is 1:0.5-0.8.
As a further improvement of the utility model, the cold-resistant layer is a polyvinyl chloride layer, the elastic layer is a rubber layer, and the thickness ratio of the cold-resistant layer to the elastic layer is 1:0.5-1.
As a further improvement of the utility model, the steel core twisting unit is a plurality of steel core wire bundles twisted with each other.
As a further improvement of the utility model, the first insulating layer is a polyethylene insulating layer, the first shielding layer is a metal wire mesh shielding layer, and the thickness ratio of the first insulating layer to the first shielding layer is 1:0.5-1.
As a further improvement of the utility model, the second shielding layer is an aluminum foil shielding layer, the second insulating layer is a polyethylene insulating layer, and the thickness ratio of the second shielding layer to the second insulating layer is 1:1-1.2.
By means of the scheme, the utility model has at least the following advantages:
according to the cable, the steel core twisting units are arranged in the sheath units at two sides of the video communication cable unit and the cable core unit, so that the tensile property of the cable body can be enhanced relatively evenly, and the service life of the cable body is ensured; through the structural setting that sheath unit includes oversheath and inner sheath for the cable body possesses good cold-resistant and wear-resisting performance, and the cable is difficult for hardening in winter cold weather.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the construction of an elevator trailing cable of the present utility model;
FIG. 2 is a schematic view of the outer sheath of FIG. 1;
FIG. 3 is a schematic view of the inner sheath of FIG. 1;
FIG. 4 is a schematic view of the video communication cable unit of FIG. 1;
fig. 5 is a schematic structural view of the wire core unit of fig. 1.
In the drawings, the meaning of each reference numeral is as follows.
The cable comprises an outer sheath 1, an inner sheath 2, a video communication cable unit 3, a steel core twisting unit 4, a cable core unit 5, a wear-resistant layer 6, a corrosion-resistant layer 7, a cold-resistant layer 8, an elastic layer 9, a first insulating layer 10, a first shielding layer 11, a video communication cable 12, a second shielding layer 13, a second insulating layer 14 and a cable core 15.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In order to make the present utility model better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
Examples
As shown in figures 1 to 5 of the drawings,
referring to fig. 1, an elevator travelling cable comprises a sheath unit, a video communication cable unit 3, a steel core twisting unit 4 and a wire core unit 5, wherein the video communication cable unit 3 is arranged in the middle position in the sheath unit, and the wire core units 5 are arranged in the sheath units on the left side and the right side of the video communication cable unit 3. The steel core twisting units 4 are arranged in the video communication cable units 3 between the adjacent video communication cable units 3 and the wire core units 5 and in the video communication cable units 3 outside the wire core units 5, the steel core twisting units 4 are steel core wire bundles formed by twisting a plurality of strands of steel core wire bundles, and the bearing strength of the cable body is improved through the steel core twisting units 4.
The sheath unit sequentially comprises an outer sheath 1 and an inner sheath 2 from outside to inside, and the thickness ratio of the outer sheath 1 to the inner sheath 2 is 1:0.8-1.
As shown in fig. 2, the outer sheath 1 includes a wear-resistant layer 6 and a corrosion-resistant layer 7 in this order from the outside to the inside. The wear-resistant layer 6 is a high molecular polyethylene coating, the corrosion-resistant layer 7 is an acrylic polyurethane coating, and the thickness ratio of the wear-resistant layer 6 to the corrosion-resistant layer 7 is 1:0.5-0.8. The high molecular polyethylene coating and the acrylic polyurethane coating of the outer sheath 1 improve the wear resistance and corrosion resistance of the cable, further prolong the service life of the cable and meet the use requirements of people on wear resistance and corrosion resistance of the cable surface.
As shown in fig. 3, the inner sheath 2 includes a cold-resistant layer 8 and an elastic layer 9 in this order from the outside to the inside. The cold-resistant layer 8 is a polyvinyl chloride layer, the elastic layer 9 is a rubber layer, and the thickness ratio of the cold-resistant layer 8 to the elastic layer 9 is 1:0.5-1.
As shown in fig. 4, the frequency communication cable unit 3 includes, in order from the outside to the inside, a first insulating layer 10, a first shielding layer 11, and a video communication cable 12. The first insulating layer 10 is a polyethylene insulating layer, the first shielding layer 11 is a metal wire mesh shielding layer, and the thickness ratio of the first insulating layer 10 to the first shielding layer 11 is 1:0.5-1.
As shown in fig. 5, the core unit 5 sequentially includes, from outside to inside, a second shielding layer 13, a second insulating layer 14, and a plurality of cores 15. The second shielding layer 13 is an aluminum foil shielding layer, the second insulating layer 14 is a polyethylene insulating layer, and the thickness ratio of the second shielding layer 13 to the second insulating layer 14 is 1:1-1.2.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: can be mechanically or electrically connected: the terms are used herein to denote any order or quantity, unless otherwise specified.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (7)
1. The elevator trailing cable comprises a sheath unit, a video communication cable unit (3), a steel core twisting unit (4) and a wire core unit (5), wherein the video communication cable unit (3) is arranged in the middle position in the sheath unit, and the wire core units (5) are arranged in the sheath units at the left side and the right side of the video communication cable unit (3);
the method is characterized in that:
a steel core twisting unit (4) is arranged in the video communication cable unit (3) between the adjacent video communication cable unit (3) and the wire core unit (5) and in the video communication cable unit (3) at the outer side of the wire core unit (5);
the frequency communication cable unit (3) comprises a first insulating layer (10), a first shielding layer (11) and a video communication cable (12) from outside to inside in sequence;
the wire core unit (5) sequentially comprises a second shielding layer (13), a second insulating layer (14) and a plurality of wire cores (15) from outside to inside.
2. An elevator trailing cable according to claim 1, characterized in that the jacket unit comprises an outer jacket (1) and an inner jacket (2) in sequence from outside to inside, and the thickness ratio of the outer jacket (1) to the inner jacket (2) is 1:0.8-1;
the outer sheath (1) sequentially comprises a wear-resistant layer (6) and a corrosion-resistant layer (7) from outside to inside;
the inner sheath (2) comprises a cold-resistant layer (8) and an elastic layer (9) from outside to inside.
3. Elevator trailing cable according to claim 2, characterized in that the wear layer (6) is a high molecular weight polyethylene coating, the corrosion resistant layer (7) is an acrylic polyurethane coating, and the thickness ratio of the wear layer (6) to the corrosion resistant layer (7) is 1:0.5-0.8.
4. An elevator trailing cable according to claim 2, characterized in that the cold-resistant layer (8) is a polyvinyl chloride layer, the elastic layer (9) is a rubber layer, and the thickness ratio of the cold-resistant layer (8) to the elastic layer (9) is 1:0.5-1.
5. An elevator trailing cable according to claim 1, characterized in that the steel core twisting unit (4) is a number of steel core strands twisted to each other.
6. An elevator trailing cable according to claim 1, characterized in that the first insulating layer (10) is a polyethylene insulating layer, the first shielding layer (11) is a wire mesh shielding layer, and the thickness ratio of the first insulating layer (10) to the first shielding layer (11) is 1:0.5-1.
7. An elevator trailing cable according to claim 1, characterized in that the second shielding layer (13) is an aluminium foil shielding layer, the second insulating layer (14) is a polyethylene insulating layer, and the thickness ratio of the second shielding layer (13) to the second insulating layer (14) is 1:1-1.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321494027.1U CN220020683U (en) | 2023-06-13 | 2023-06-13 | Elevator trailing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321494027.1U CN220020683U (en) | 2023-06-13 | 2023-06-13 | Elevator trailing cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020683U true CN220020683U (en) | 2023-11-14 |
Family
ID=88681727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321494027.1U Active CN220020683U (en) | 2023-06-13 | 2023-06-13 | Elevator trailing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020683U (en) |
-
2023
- 2023-06-13 CN CN202321494027.1U patent/CN220020683U/en active Active
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