CN220020696U - Flame-retardant flat trailing cable - Google Patents
Flame-retardant flat trailing cable Download PDFInfo
- Publication number
- CN220020696U CN220020696U CN202320394053.0U CN202320394053U CN220020696U CN 220020696 U CN220020696 U CN 220020696U CN 202320394053 U CN202320394053 U CN 202320394053U CN 220020696 U CN220020696 U CN 220020696U
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- Prior art keywords
- layer
- tensile
- trailing cable
- wire
- rope
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 19
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title abstract description 15
- 239000010410 layer Substances 0.000 claims description 53
- 239000013307 optical fiber Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 11
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the field of cables and discloses a flame-retardant flat trailing cable, which comprises a plurality of insulating wire cores arranged side by side, wherein a sheath layer is coated outside each insulating wire core, a flame-retardant filler layer is filled between each sheath layer and each insulating wire core, the trailing cable further comprises a tensile assembly, each tensile assembly comprises a plurality of mounting rings fixed on the sheath layer, the mounting rings are uniformly distributed along the length direction of each sheath layer, and a plurality of anti-pull ropes are fixed between every two adjacent mounting rings. According to the utility model, through the mutual matching of the mounting ring and the pull-resistant rope, the whole and partial tensile property of the trailing cable can be enhanced, and the torsion resistance and the compression resistance of the trailing cable can be enhanced.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a flame-retardant flat trailing cable.
Background
With the rapid development of technology, electrified devices are becoming more and more common in our daily life and production, such as elevators. Along with the continuous application of the elevator to high-rise buildings, the travelling cable for the elevator also grows. The trailing cable needs to move back and forth along with the elevator frequently at a high speed, and in the starting and stopping process of the high-speed movement, the trailing cable is influenced by self gravity and can be subjected to severe pulling force, so that the trailing cable is required to have stronger tensile property.
A trailing cable in the prior art is disclosed as 201420014306, and comprises a plurality of insulating wire cores and a sheath coated outside the insulating wire cores, wherein each insulating wire core comprises a conductor and an insulating layer coated outside the conductor, the conductor is formed by twisting a plurality of conductor monofilaments, the insulating layer is made of a 105 ℃ irradiation crosslinked flame-retardant polyolefin material, and the sheath is made of a 105 ℃ flame-retardant polyolefin material.
The above-mentioned trailing cable, although having a good flame retardant property, is weak in terms of bending resistance, resulting in a risk that the trailing cable is easily broken during a high-speed movement along with an elevator.
Disclosure of Invention
In view of the above, the utility model aims to provide a flame-retardant flat trailing cable, which solves the problems that the trailing cable in the prior art is weak in bending resistance and is easy to break in the process of moving along with an elevator at a high speed, which are pointed out in the background art.
The utility model solves the technical problems by the following technical means:
the utility model provides a fire-retardant flat retinue cable, retinue cable includes a plurality of insulating sinle silk that set up side by side, insulating sinle silk's outside cladding has the restrictive coating, the restrictive coating with it has fire-retardant packing layer to fill between the insulating sinle silk, retinue cable still includes tensile subassembly, tensile subassembly includes a plurality of collar of fixing on the restrictive coating, a plurality of the collar is followed the length direction of restrictive coating evenly arranges to adjacent two be fixed with a plurality of resistance cords between the collar.
Further, an annular mounting groove matched with the mounting ring is formed in the outer side wall of the sheath layer, and the mounting ring is fixed in the annular mounting groove.
Further, a rope embedding groove matched with the anti-pulling rope is formed in the outer side wall of the sheath layer, and the anti-pulling rope is installed in the rope embedding groove.
Further, the trailing cable further includes an outer skin layer covering the outside of the jacket layer, the outer skin layer covering the annular mounting groove and the open portion of the rope insertion groove.
Further, the tensile rope comprises a steel wire and a plurality of nylon wires, and the nylon wires are mutually twisted around the steel wire to form the tensile rope.
Further, the plurality of insulating wire cores comprise a control wire and three power wires.
Further, the control line includes the optical fiber line and a plurality of control signal line of together hank cable, the optical fiber line with be equipped with the nylon rope between the control signal line, the optical fiber line with the control signal line cladding has the control line protective layer outward.
Further, the power line comprises a power line core conductor, a non-woven fabric layer is wrapped in an outer gap of the power line core conductor, an insulating layer is extruded outside the non-woven fabric layer, a semi-conductive tape layer is wrapped in an outer gap of the insulating layer, and a double-ground shielding layer is wrapped outside the semi-conductive tape layer.
The utility model has the beneficial effects that:
according to the utility model, through the mutual matching of the mounting ring and the pull-resistant rope, the whole and partial tensile property of the trailing cable can be enhanced, and the torsion resistance of the trailing cable can be enhanced. In addition, through the mutual cooperation of all collar, when the retinue receives external pressure, the collar can help the retinue to bear partial pressure to this compressive property of reinforcing retinue, and can not influence the normal bending of retinue.
Drawings
FIG. 1 is a cross-sectional view of a travelling cable in accordance with embodiments of the utility model;
FIG. 2 is a schematic view of a traveling cable according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the trailing cable according to the embodiment of the utility model with the outer surface removed;
FIG. 4 is a schematic illustration of the tensile member of FIG. 3 separated from the jacket layer in accordance with an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a power line in an embodiment of the utility model;
100 parts of control wires; 110. an optical fiber wire; 120. a control signal line; 130. nylon ropes; 140. a control line protection layer; 200. a power line; 210. a power core conductor; 220. a non-woven fabric layer; 230. an insulating layer; 240. a semiconductive belt layer; 250. a dual-purpose shielding layer; 300. a sheath layer; 310. an annular mounting groove; 320. rope grooves are embedded; 400. a flame retardant filler layer; 500. a tension member; 510. a mounting ring; 520. an anti-pull rope; 600. an outer surface layer.
Detailed Description
The following embodiments of the present utility model are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present utility model from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present utility model and simplifying the description, and it is not indicated or implied that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present utility model, and that the specific meanings of the terms described above may be understood by those skilled in the art according to circumstances.
As shown in fig. 1 to 5, an embodiment of the present utility model provides a flame retardant flat trailing cable, where the trailing cable includes a plurality of insulating wire cores arranged side by side, and the number of the insulating wire cores is four, and the four insulating wire cores include a control wire 100 and three power wires 200, where the control wire 100 is mainly used for transmitting signals, and the power wires 200 are mainly used for transmitting electric power. The outer parts of the four insulated wire cores are coated with the sheath layer 300, a flame-retardant filler layer 400 is filled between the sheath layer 300 and the four insulated wire cores, and the flame-retardant filler layer 400 is made of halogen-free flame-retardant materials, such as polyolefin, so that the following cable is provided with better flame retardant performance.
In this embodiment, the trailing cable further includes a tension member 500, and the tension member 500 includes a plurality of mounting rings 510 fixed to the jacket layer 300, and the plurality of mounting rings 510 are uniformly arranged along the length direction of the jacket layer 300. The shape of the mounting ring 510 is designed according to the shape of the travelling cable, the number of the mounting rings 510 is also set according to the length of the travelling cable, the distance between two adjacent mounting rings 510 is kept at 10-20cm, a plurality of pull-resistant ropes 520 are fixed between two adjacent mounting rings 510, the pull-resistant ropes 520 are uniformly distributed along the annular path of the mounting ring 510, and all the mounting rings 510 can be connected through all the pull-resistant ropes 520. The mutual matching of the mounting ring 510 and the tensile rope 520 not only can enhance the overall and local tensile properties of the travelling cable, but also can enhance the torsion resistance of the travelling cable. In addition, by the inter-fitting of all the mounting rings 510, the mounting rings 510 can help the trailing cable to withstand partial pressure when the trailing cable is subjected to external pressure, thereby enhancing the compression resistance of the trailing cable. And jacket layer 300 itself has some flexibility and tensile cord 520 is also able to bend so that normal bending action of the travelling cable is not affected.
In this embodiment, the outer side wall of the sheath layer 300 is provided with annular mounting grooves 310 adapted to the mounting rings 510, the number of the annular mounting grooves 310 is the same as the number of the mounting rings 510, and the mounting rings 510 are fixed in the annular mounting grooves 310. By this arrangement, the mounting of the mounting ring 510 is facilitated.
In this embodiment, the outer sidewall of the sheath layer 300 is provided with rope grooves 320 adapted to the tensile ropes 520, the number of rope grooves 320 is the same as the number of the tensile ropes 520, and after the mounting ring 510 is fixed in the annular mounting groove 310, the tensile ropes 520 can be mounted in the rope grooves 320. By this arrangement, the installation of the tensile cord 520 is facilitated.
In this embodiment, the trailing cable further includes an outer surface layer 600 coated on the outer portion of the jacket layer 300, where the outer surface layer 600 can cover the opening portions of the annular mounting groove 310 and the rope-embedding groove 320, so as to cover the tensile member 500, on one hand, to prevent the mounting ring 510 or the pull rope 520 from being separated from the jacket layer 300, and on the other hand, to make the appearance of the trailing cable more attractive.
In this embodiment, the tensile cord 520 includes a steel wire and a plurality of nylon wires twisted around the steel wire to form the tensile cord 520. By this arrangement, the strength of the tensile cord 520 is enhanced, thereby further enhancing the tensile properties of the trailing cable.
In this embodiment, the control wire 100 includes an optical fiber wire 110 and a plurality of control signal wires 120 twisted together to form a cable, a nylon rope 130 is disposed between the optical fiber wire 110 and all the control signal wires 120, the optical fiber wire 110 and all the control signal wires 120 are twisted around the nylon rope 130 to form the control wire 100, and the outer parts of the optical fiber wire 110 and all the control signal wires 120 are covered with a control wire protection layer 140. By the arrangement, the following cable is ensured to normally transmit optical fiber signals and control signals.
In this embodiment, the power line 200 includes a power core conductor 210, a non-woven fabric layer 220 is wrapped around the outer gap of the power core conductor 210, an insulating layer 230 is extruded around the non-woven fabric layer 220, a semiconductive belt layer 240 is wrapped around the outer gap of the insulating layer 230, and a double-ground shielding layer 250 is wrapped around the semiconductive belt layer 240. By so doing, it is ensured that the power line 200 can normally transmit electric power.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (8)
1. The utility model provides a fire-retardant flat retinue cable, the retinue cable includes a plurality of insulating sinle silk that set up side by side, insulating sinle silk's outside cladding has restrictive coating (300), restrictive coating (300) with fill between the insulating sinle silk has fire-retardant packing layer (400), a serial communication port, the retinue cable still includes tensile subassembly (500), tensile subassembly (500) are including a plurality of collar (510) of fixing on restrictive coating (300), a plurality of collar (510) are followed the length direction of restrictive coating (300) evenly arranges to be fixed with a plurality of resistance cords (520) between two adjacent collar (510).
2. The travelling cable according to claim 1, characterized in that an annular mounting groove (310) adapted to the mounting ring (510) is provided on the outer side wall of the jacket layer (300), the mounting ring (510) being fixed in the annular mounting groove (310).
3. The travelling cable according to claim 2, characterized in that the outer side wall of the jacket layer (300) is provided with rope-nesting grooves (320) adapted to the tensile ropes (520), said tensile ropes (520) being mounted in said rope-nesting grooves (320).
4. A trailing cable according to claim 3, further comprising an outer skin (600) covering the exterior of the jacket layer (300), the outer skin (600) covering the annular mounting groove (310) and the open portion of the rope groove (320).
5. The travelling cable according to claim 1, characterized in that the tensile cord (520) comprises a steel wire and several nylon wires, several of the nylon wires being mutually twisted around the steel wire into the tensile cord (520).
6. A trailing cable according to claim 1, characterized in that several of the insulated wire cores comprise one control wire (100) and three power wires (200).
7. The trailing cable according to claim 6, characterized in that the control wire (100) comprises an optical fiber wire (110) and a plurality of control signal wires (120) twisted together to form a cable, a nylon rope (130) is arranged between the optical fiber wire (110) and the control signal wires (120), and a control wire protective layer (140) is coated outside the optical fiber wire (110) and the control signal wires (120).
8. The travelling cable according to claim 6, wherein the power line (200) comprises a power core conductor (210), a non-woven fabric layer (220) is wrapped around an outer gap of the power core conductor (210), an insulating layer (230) is extruded around the non-woven fabric layer (220), a semiconductive belt layer (240) is wrapped around an outer gap of the insulating layer (230), and a double-ground shielding layer (250) is wrapped around the semiconductive belt layer (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320394053.0U CN220020696U (en) | 2023-03-06 | 2023-03-06 | Flame-retardant flat trailing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320394053.0U CN220020696U (en) | 2023-03-06 | 2023-03-06 | Flame-retardant flat trailing cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020696U true CN220020696U (en) | 2023-11-14 |
Family
ID=88693153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320394053.0U Active CN220020696U (en) | 2023-03-06 | 2023-03-06 | Flame-retardant flat trailing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020696U (en) |
-
2023
- 2023-03-06 CN CN202320394053.0U patent/CN220020696U/en active Active
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| GR01 | Patent grant |