CN117219328A - Cable with improved cable tension - Google Patents
Cable with improved cable tension Download PDFInfo
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- CN117219328A CN117219328A CN202311227904.3A CN202311227904A CN117219328A CN 117219328 A CN117219328 A CN 117219328A CN 202311227904 A CN202311227904 A CN 202311227904A CN 117219328 A CN117219328 A CN 117219328A
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- guide
- groove
- buffering
- flame
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- 239000003063 flame retardant Substances 0.000 claims abstract description 69
- 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 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 230000003139 buffering effect Effects 0.000 claims abstract description 49
- 238000009954 braiding Methods 0.000 claims abstract description 33
- 238000005253 cladding Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 43
- 238000009434 installation Methods 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000011241 protective layer Substances 0.000 claims description 12
- 241001325280 Tricardia watsonii Species 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002269 spontaneous effect Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of cables, in particular to a cable. The cable includes a guide wire, three core wires, a braid assembly, an insulating coating and a sheath. The invention uses the braiding component, the insulating cladding and the sheath, when the cable receives vibration or is impacted and extruded by external force, the cable can perform preliminary buffering and unloading force on the core wire, absorb kinetic energy, reduce the risk of breakage of the core wire, and then perform multi-step and omnibearing buffering and kinetic energy absorption by using the guide wire, the core wire and the braiding component, so that the core wire can be provided with buffering support, the core wire is prevented from being broken under the impact of sudden impact force, and the release and the flow of the flame retardant liquid can provide additional impact absorption and protection effects, thereby ensuring the safety and the reliability of the cable, and simultaneously storing most of the flowing flame retardant liquid in the guide wire, and relieving the occurrence of heating or spontaneous combustion phenomena.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable.
Background
A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires, each group of wires being insulated from each other. The existing cable outer coating is generally made of common flexible materials, and is often broken by external force, so that the core wires in the cable are damaged, the effect of resisting the external force is poor, the cable subjected to vibration and extrusion is extremely easy to damage the inner core wires, so that short circuit and spontaneous combustion phenomena are extremely easy to occur, the cable is caused to intensively fire, and even the whole building body is caused to fire.
Disclosure of Invention
Based on this, it is necessary to provide a cable to solve at least one technical problem in the background art.
The utility model provides a cable, including the guide wire, three heart yearn, weave the subassembly, insulating covering and crust, the guide wire peripheral wall is equipped with three location guide slot along circumferencial direction equidistance is concave, every location guide slot cross section is semi-circular, three heart yearn inboard card is located in the three location guide slot for mutual parallel arrangement between the three heart yearn, and the length direction of three heart yearn and the length direction parallel arrangement of guide wire, the cross section of every heart yearn is oval shape, and the major axis direction of every heart yearn and the radial direction of guide wire are located same straight line, weave the subassembly cover and establish and install on three heart yearn outside, insulating covering cover is established and is installed on weaving subassembly peripheral wall, the crust cover is established and is installed on insulating covering.
As a further improvement of the invention, the peripheral wall of the guide wire is also provided with three buffer guide grooves in an equidistant manner along the circumferential direction, the three buffer guide grooves are arranged adjacent to the three positioning guide grooves, the bottom of each buffer guide groove is provided with an insulating cushion layer, the top surface of the insulating cushion layer is provided with an arc groove in a concave manner, the radian of the arc groove is the same as that of a core wire, one end of each arc groove far away from the adjacent positioning guide groove is also provided with a separation elastic film, the outer side of the separation elastic film is fixedly arranged in the inner wall of the weaving assembly, and the separation elastic film is obliquely arranged and is made of flame-retardant elastic materials.
As a further improvement of the invention, a plurality of installation grooves and retaining grooves are concavely arranged on the top surface of each arc-shaped groove at equal intervals along the length direction of the guide line, triangular blocks are convexly arranged in the middle of the bottom surface of each retaining groove, the length direction of each triangular block is perpendicular to the length direction of each buffer guide groove, and a buffer flame-retardant element is arranged in each installation groove.
As a further improvement of the invention, each buffering flame-retardant element comprises a flame-retardant liquid bag and a buffering element, wherein flame-retardant liquid is stored in the flame-retardant liquid bag, the bottom of the flame-retardant liquid bag is fixedly arranged in the mounting groove, one side wall of the flame-retardant liquid bag is fixedly connected with the bottom of the side wall of the separation elastic membrane, an inclined mounting surface is concavely arranged at the corner of the top of the side wall of the flame-retardant liquid bag, which is far away from the separation elastic membrane, an inclined breaking guide surface is concavely arranged at the corner of the top of the mounting surface, the buffering element is arranged in the mounting surface and the breaking guide surface, and the length direction of the buffering element is the same as the length direction of the mounting groove.
As a further improvement of the invention, the buffer element comprises a mounting frame, two puncture plates and two propping posts, wherein the two ends of the top of one side of the mounting frame far away from the separation elastic membrane are respectively concavely provided with a through groove, the mounting frame comprises a mounting transverse plate and a mounting vertical plate, one end of the mounting transverse plate is fixedly arranged at the top of the breaking guide surface, the other end of the mounting transverse plate is fixedly arranged at the top of the mounting vertical plate, the bottom of the mounting vertical plate is fixedly arranged at the bottom of the mounting surface, clamping grooves are concavely arranged at the two ends of the bottom of the mounting transverse plate, the two clamping grooves are oppositely arranged with the two through grooves, one end of the two puncture plates is rotatably arranged at the two ends of the bottom of the mounting vertical plate through the two through grooves, one end of the two propping posts respectively penetrates through the middle parts of the two through grooves, and the other ends of the two propping posts are propped against the peripheral wall of the core wire.
As a further improvement of the invention, one side of the top end of each puncture plate, which is adjacent to the core wire, is concavely provided with an inclined supporting surface, the supporting surface is supported on the bottom surface of the mounting transverse plate, the top of the side wall of each puncture plate is convexly provided with a buckle, and the buckle is clamped in the clamping groove, so that a buffer gap is formed between the bottom of the side wall of the puncture plate and the top surface of the mounting surface, and a breakdown gap is formed between the top of the side wall of the puncture plate and the top surface of the breaking guide surface.
As a further improvement of the invention, the top of each supporting column is concavely provided with an arc-shaped surface, the inner side of the arc-shaped surface is supported on the peripheral wall of the core wire, and the middle part of the outer side of the arc-shaped surface is concavely provided with a drainage groove.
As a further improvement of the invention, each core wire comprises an inner core and a separation protective layer, the separation protective layer is sleeved on the inner core, the inner side of the separation protective layer is clamped in the positioning guide groove, and one side of the separation protective layer, which is away from the positioning guide groove, is convexly provided with a buffering convex arc surface.
As a further improvement of the invention, the braiding component comprises a braiding shrinkage net and a negative pressure shrinkage tube, the braiding shrinkage net is formed by braiding a plurality of braiding wires, the braiding shrinkage net is sleeved on the outer sides of the three core wires, the outer sides of the separation elastic films are fixedly arranged on the inner wall of the braiding shrinkage net, the negative pressure shrinkage net is sleeved on the braiding shrinkage net, and a plurality of negative pressure cavities are equidistantly arranged in the negative pressure shrinkage tube along the length direction.
As a further improvement of the invention, the inner side of the insulating cladding is coated with a waterproof layer and three guide bulges, the three guide bulges are distributed along the circumferential direction at equal intervals, each guide bulge is positioned between the separation protective layer and the separation elastic film, and the guide bulges are arranged at one side far away from the buffering flame-retardant element.
The beneficial effects of the invention are as follows:
1. when the cable receives vibration or is subjected to impact and extrusion of external force, the cable can be subjected to preliminary buffering and unloading force, and kinetic energy is absorbed, so that the cable is prevented from being broken due to the fact that vibration force directly acts on a certain point of the cable or a certain core wire, the risk of breakage of the core wire is reduced, the kinetic energy is effectively absorbed, the influence of external force on the cable is dispersed, the cable is protected from being damaged by external vibration, impact, extrusion and other forces, and normal operation and lasting stability of a circuit are ensured.
2. Utilize the guide line to carry out location guide installation to three heart yearn, through concavely setting up three location guide slot and three buffering guide slot in the guide line, set up a plurality of buffering flame retardant component at three buffering guide slots simultaneously, when external force impact or the power of vibrations are big, can carry out multi-step, all-round buffering and absorption kinetic energy to the heart yearn for can provide the buffering support to the heart yearn, prevent that the heart yearn from breaking under abrupt impact force impact, simultaneously, release and the flow of fire-retardant liquid can provide extra impact absorption and guard action, the security and the reliability of guarantee cable.
3. When the core wire is impacted by severe external force, part of the core wire is separated from the positioning guide groove and is clamped in the buffer guide groove, most of the flame-retardant liquid still remains in a plurality of retaining grooves in the buffer guide groove and is in direct contact with the core wire, so that the core wire is prevented from being pressed and deformed or even broken when the core wire is impacted by the external force, the core wire of the section is prevented from generating heat or even spontaneous combustion, the flame-retardant liquid can slow down the heat or spontaneous combustion phenomenon, the replacement treatment is carried out when workers arrive, and the insulation cushion layer and the retained flame-retardant liquid can also provide additional impact force and compression buffer effect so as to ensure the safety and reliability of the cable under the impact of the external force.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a guide wire, core wire and braid assembly in accordance with an embodiment of the present invention.
FIG. 3 is an internal schematic view of a guide wire, core wire and braid assembly in accordance with one embodiment of the present invention.
Fig. 4 is a cross-sectional view of an embodiment of the present invention.
Fig. 5 is an enlarged view at a in fig. 4.
In the figure: 10. a guide wire; 11. positioning guide grooves; 12. a buffer guide groove; 121. an insulating pad layer; 122. an arc-shaped groove; 123. a mounting groove; 124. a separation elastic film; 125. a retention tank; 60. a buffer flame retardant element; 61. a flame retardant liquid bag; 611. a mounting surface; 612. breaking the guide surface; 62. a buffer element; 621. a mounting frame; 622. a puncture plate; 623. a holding column; 624. a pass through slot; 625. mounting a transverse plate; 626. installing a vertical plate; 627. a clamping groove; 628. a holding surface; 629. a buckle; 63. a buffer gap; 64. breakdown gap; 651. an arc surface; 652. drainage grooves; 20. a core wire; 21. an inner core; 22. a separation protective layer; 23. buffering the convex cambered surface; 30. a braiding assembly; 32. a negative pressure shrink tube; 33. a negative pressure chamber; 40. an insulating cladding; 41. a guide protrusion; 50. and (5) a crust.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, it should be noted that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus 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 invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a cable includes a guide wire 10, three core wires 20, a braiding assembly 30, an insulating coating 40 and a sheath 50, wherein three positioning guide grooves 11 are concavely arranged on the outer peripheral wall of the guide wire 10 along the circumferential direction at equal intervals, the cross section of each positioning guide groove 11 is semicircular, the inner sides of the three core wires 20 are clamped in the three positioning guide grooves 11, the three core wires 20 are arranged in parallel, the length directions of the three core wires 20 are arranged in parallel with the length directions of the guide wire 10, the cross section of each core wire 20 is elliptical, the long axis direction of each core wire 20 and the radial direction of the guide wire 10 are positioned on the same straight line, the braiding assembly 30 is sleeved on the outer side of the three core wires 20, the insulating coating 40 is sleeved on the outer peripheral wall of the braiding assembly 30, and the sheath 50 is sleeved on the insulating coating 40.
The guide wire 10 periphery wall is concave along the circumferencial direction still equidistant three buffering guiding groove 12 that is equipped with, and three buffering guiding groove 12 are adjacent three location guiding groove 11 setting, and every buffering guiding groove 12 bottom is provided with insulating blanket 121, and insulating blanket 121 top surface concave arc wall 122 that is equipped with, and arc wall 122 radian is the same with heart yearn 20 radian, and every arc wall 122 is kept away from the one end of adjacent location guiding groove 11 still is provided with and separates elastic membrane 124, separates elastic membrane 124 outside fixed mounting in braiding subassembly 30 inner wall, and separates elastic membrane 124 slope setting, separates elastic membrane 124 and is made by flame retardant elastic material.
The top surface of each arc-shaped groove 122 is provided with a plurality of concave mounting grooves 123 and retaining grooves 125 at equal intervals along the length direction of the guide line 10, the middle part of the bottom surface of each retaining groove 125 is also convexly provided with a triangular block, the length direction of the triangular block is perpendicular to the length direction of the buffer guide groove 12, and a buffer flame-retardant element 60 is arranged in each mounting groove 123.
Each buffering flame-retardant element 60 comprises a flame-retardant liquid bag 61 and a buffering element 62, wherein flame-retardant liquid is stored in the flame-retardant liquid bag 61, the bottom of the flame-retardant liquid bag 61 is fixedly installed in an installation groove 123, the side wall of one side of the flame-retardant liquid bag 61 is fixedly connected with the bottom of the side wall of the separation elastic membrane 124, an inclined installation surface 611 is concavely arranged at the corner of the top of the side wall of one side of the flame-retardant liquid bag 61 far away from the separation elastic membrane 124, an inclined breaking guide surface 612 is concavely arranged at the corner of the top of the installation surface 611, the buffering element 62 is installed in the installation surface 611 and the breaking guide surface 612, and the length direction of the buffering element 62 is the same as the length direction of the installation groove 123.
The buffer element 62 includes a mounting bracket 621, two puncture plates 622 and two supporting columns 623, the mounting bracket 621 is far away from the top both ends of one side of the separation elastic membrane 124 and is concavely provided with a through groove 624, the mounting bracket 621 includes a mounting transverse plate 625 and a mounting vertical plate 626, one end of the mounting transverse plate 625 is fixedly mounted at the top of the breaking guide surface 612, the other end of the mounting transverse plate 625 is fixedly mounted at the top of the mounting vertical plate 626, the bottom of the mounting vertical plate 626 is fixedly mounted at the bottom of the mounting surface 611, both ends of the bottom of the mounting transverse plate 625 are concavely provided with clamping grooves 627, the two clamping grooves 627 are oppositely arranged with the two through grooves 624, one end of the two puncture plates 622 is rotatably mounted at both ends of the bottom of the mounting vertical plate 626 through torsion springs, one end of the two supporting columns 623 is respectively penetrated through the two through grooves 624 and is rotatably mounted at the middle parts of the two puncture plates 622, and the other ends of the two supporting columns 623 are propped against the outer peripheral wall of the core wire 623 20.
An inclined supporting surface 628 is concavely arranged on one side, adjacent to the core wire 20, of the top end of each puncture plate 622, the supporting surface 628 is supported on the bottom surface of the mounting cross plate 625, a buckle 629 is convexly arranged on the top of the side wall of each puncture plate 622, the buckle 629 is clamped in the clamping groove 627, a buffer gap 63 is formed between the bottom of the side wall of each puncture plate 622 and the top surface of the mounting surface 611, and a breakdown gap 64 is formed between the top of the side wall of each puncture plate 622 and the top surface of the breaking guide surface 612.
An arc-shaped surface 651 is concavely arranged at the top of each supporting column 623, the inner side of the arc-shaped surface 651 supports against the peripheral wall of the core wire 20, and a drainage groove 652 is concavely arranged in the middle of the outer side of the arc-shaped surface 651.
Each core wire 20 comprises an inner core 21 and a separation protective layer 22, the separation protective layer 22 is sleeved and installed on the inner core 21, the inner side of the separation protective layer 22 is clamped in the positioning guide groove 11, and one side of the separation protective layer 22, which is away from the positioning guide groove 11, is convexly provided with a buffering convex cambered surface 23.
The braiding assembly 30 comprises a braiding shrinkage net and a negative pressure shrinkage tube 32, the braiding shrinkage net is formed by braiding a plurality of braiding threads, the braiding shrinkage net is sleeved on the outer sides of the three core wires 20, the outer sides of the separation elastic films 124 are fixedly arranged on the inner walls of the braiding shrinkage net, the negative pressure shrinkage tube 32 is sleeved on the braiding shrinkage net, and a plurality of negative pressure cavities 33 are formed in the negative pressure shrinkage tube 32 at equal intervals along the length direction.
The insulating cladding 40 is internally coated with a waterproof layer and three guide protrusions 41, the three guide protrusions 41 are equidistantly distributed along the circumferential direction, each guide protrusion 41 is located between the separation protection layer 22 and the separation elastic film 124, and the guide protrusions 41 are disposed away from one side of the buffering flame-retardant element 60.
For example, in one embodiment: when the cable is connected into the circuit and vibration is received or is struck and extruded by external force, the external force impacts the outer skin 50 and the insulating cladding 40, so that one side of the insulating cladding 40 of a certain section is stressed to be bent and deformed inwards, the guide protrusion 41 moves towards the guide wire 10 to press the adjacent core wires 20, if the external force impacts or the force of vibration is smaller, the impact force of the impact force can absorb kinetic energy by compression deformation of the negative pressure cavity 33 and the action of the supporting columns 623 of the plurality of buffer elements 62 on the core wires 20, the vibration force is prevented from directly acting on a certain point of the cable or a certain core wire 20 to cause the cable to break, the risk of breaking the core wires 20 is reduced, the kinetic energy is effectively absorbed, the influence of the external force on the cable is dispersed, the cable is protected from being damaged by external vibration, impact, extrusion and other forces, and the normal operation and the durability of the circuit are ensured.
For example, in one embodiment: when the force of the external force impact or vibration is large, the impact force of the impact force will cause the guide protrusion 41 to move towards the guide wire 10 continuously, the core wire 20 is extruded, when the impact force is larger than the force of the negative pressure cavity 33 for compressing deformation to absorb kinetic energy and the torsion force of the torsion spring and the clamping force of the buckle 629 on the puncture plate 622, the core wire 20 where the impact occurs overturns around the positioning guide groove 11 adjacent to the buffering flame-retardant element 60 and moves towards the buffering guide groove 12, the inner side of the arc-shaped surface 651 abuts against the peripheral wall of the core wire 20, the abutting column 623 moves towards the flame-retardant liquid bag 61, the buckle 629 is separated from the clamping groove 627, the puncture plate 622 moves downwards around the torsion spring, the buffering gap 63 is continuously reduced until the impact force completely disappears, at this time, the installation surface 611 of the flame-retardant liquid bag 61 abuts against the inner side of the puncture plate 622, the buffering and supporting are provided for the puncture plate 622 by the flame-retardant liquid bag 61, and the core wire 20 is further buffered and supported by the abutting column 623, the impact kinetic energy is absorbed, and the core wire 20 is prevented from breaking under the sudden impact force.
When the force of the external impact or vibration continues to increase, the core wire 20 at the impact continues to overturn and move around the positioning guide groove 11 at the side adjacent to the buffering flame-retardant element 60, so that the breakdown gap 64 is continuously reduced until the breakdown gap completely disappears, so that the tip of the puncture plate 622 will press and break the top surface of the guide surface 612, while the core wire 20 at the impact continues to overturn and move around the positioning guide groove 11 at the side adjacent to the buffering flame-retardant element 60, so that the center of gravity of the core wire 20 at the point will pass through the positioning guide groove 11, so that the core wire 20 at the point will fall into the buffering guide groove 12, so that the tip of the puncture plate 622 will break the guide surface 612, so that the flame-retardant liquid in the flame-retardant liquid bag 61 flows out along the guide groove 652, and the flame-retardant liquid at the moment causes the flame-retardant liquid bag 61 to be greatly extruded due to the overturn of the core wire 20 at the point of time of the previous impact, when the tip of the puncture plate 622 punctures the guide surface 612, a flame-retardant liquid flow with strong impact force is formed at the puncture point, the flame-retardant liquid flow impacts the inner side of the core wire 20, the impact force of external impact is counteracted, meanwhile, the core wire 20 is further overturned into the buffer guide groove 12, the overturned core wire 20 further presses the flame-retardant liquid bag 61, the flame-retardant liquid continues to flow out along the drainage groove 652 to counteract the impact force of external impact, continuous buffering and counteracting effects are provided for the core wire 20 until the flame-retardant liquid in the flame-retardant liquid bag 61 completely flows out, at the moment, the core wire 20 at the impact position is clamped in the buffer guide groove 12, the peripheral wall of the core wire 20 abuts against the separation elastic membrane 124, deformation bending is performed on the separation elastic membrane 124, and the negative pressure shrinkage tube 32 is sleeved on the woven shrinkage net, so that the woven shrinkage net is deformed, the kinetic energy of external impact is further absorbed, the multi-step buffering protects the core wire 20 from external force, and simultaneously, the release and flow of the flame retardant liquid can provide additional impact absorption and protection effects, thereby guaranteeing the safety and reliability of the cable.
For example, in one embodiment: after the flame retardant liquid flows out of the core wire 20 where the impact occurs along the drainage groove 652, most of the flame retardant liquid will rebound into the buffer guide groove 12 and flow into the retention groove 125 due to the reaction force, and when the core wire 20 where the impact occurs is clamped in the buffer guide groove 12, the flame retardant liquid stored in the retention grooves 125 will directly contact with the core wire 20, so that the core wire 20 is prevented from being pressed and deformed or even broken when being impacted by external force, the core wire 20 of the section is further prevented from generating heat or even spontaneous combustion, the heat or spontaneous combustion phenomenon is slowed down, the worker is to exchange the flame retardant liquid, and the length direction of the triangular block is perpendicular to the length direction of the buffer guide groove 12, so that the flame retardant liquid in the retention groove 125 will impact the core wire 20 upwards when the core wire 20 is clamped in the buffer guide groove 12, the impact force is further increased under the action of the triangular block compression, the impact force can be further increased, the impact force can be rapidly reduced, and the impact can be effectively and the impact can be safely reduced by the cable can be provided by the impact force due to the impact force of the cable 20.
The installation process comprises the following steps: the inner sides of the three core wires 20 are clamped in the three positioning guide grooves 11, so that the three core wires 20 are mutually parallel, the length direction of the three core wires 20 is parallel to the length direction of the guide wire 10, the long axis direction of each core wire 20 is positioned on the same straight line with the radial direction of the guide wire 10, the bottom of the flame-retardant liquid bag 61 is fixedly arranged in the mounting groove 123, one side wall of the flame-retardant liquid bag 61 is fixedly connected with the bottom of the side wall of the separation elastic membrane 124, one end of the mounting transverse plate 625 is fixedly arranged at the top of the breaking guide surface 612, the other end of the mounting transverse plate 625 is fixedly arranged at the top of the mounting vertical plate 626, the bottom of the mounting vertical plate 626 is fixedly arranged at the bottom of the mounting surface 611, one end of the two puncture plates 622 is rotatably arranged at the two ends of the bottom of the mounting vertical plate 626 through torsion springs, the two puncture plates 622 are oppositely arranged with the two through grooves 624, one end of each of the two supporting columns 623 is rotatably installed in the middle of the two puncture plates 622 through the two through grooves 624, the other ends of the two supporting columns 623 are supported on the peripheral wall of the core wire 20, the inner side of the separation elastic membrane 124 is fixedly installed at one end of the arc-shaped groove 122 far away from the adjacent positioning guide groove 11, the outer side of the separation elastic membrane 124 is fixedly installed on the inner wall of the woven shrink mesh, the woven shrink mesh is sleeved on the outer sides of the three core wires 20, the negative pressure shrink tube 32 is sleeved on the woven shrink mesh, the insulating cladding 40 is sleeved on the peripheral wall of the negative pressure shrink tube 32, each guide protrusion 41 is located between the separation protective layer 22 and the separation elastic membrane 124, the guide protrusion 41 is arranged far away from one side of the buffering flame-retardant element 60, and the outer skin 50 is sleeved on the insulating cladding 40.
The beneficial effects are that: 1. by using the braiding assembly 30, the insulating cladding 40 and the outer skin 50, when the cable receives vibration or is impacted and extruded by external force, the cable can be preliminarily buffered, unloaded, and kinetic energy is absorbed, so that the vibration force is prevented from directly acting on a certain point of the cable or the cable is prevented from being broken due to a certain core wire 20, the risk of breakage of the core wire 20 is reduced, the kinetic energy is effectively absorbed, the influence of external force on the cable is dispersed, the cable is protected from being damaged by external vibration, impact, extrusion and other forces, and the normal operation and the lasting stability of the circuit are ensured.
2. The guide wire 10 is utilized to carry out positioning, guiding and installation on the three core wires 20, the three positioning guide grooves 11 and the three buffering guide grooves 12 are concavely arranged in the guide wire 10, and meanwhile, a plurality of buffering flame-retardant elements 60 are arranged in the three buffering guide grooves 12, so that when the external force is impacted or the vibration force is large, the core wires 20 can be buffered and absorbed in multiple steps and all directions, the core wires 20 can be buffered and supported, the core wires 20 are prevented from being broken under the sudden impact force, and meanwhile, the release and the flow of the flame-retardant liquid can provide additional impact absorption and protection effects, so that the safety and the reliability of the cable are ensured.
3. When the core wire 20 is severely impacted by external force so that part of the core wire 20 is separated from the positioning guide groove 11 and is clamped in the buffer guide groove 12, most of the flame retardant liquid still remains in the plurality of retaining grooves 125 in the buffer guide groove 12 and directly contacts the core wire 20, so that the core wire 20 is prevented from being pressed and deformed or even broken when being impacted by external force, the core wire 20 of the section is further caused to generate heat or even spontaneously ignite, the flame retardant liquid can slow down the occurrence of the phenomenon of heat generation or spontaneous ignition, and when a worker arrives for replacement, the insulating pad layer 121 and the retained flame retardant liquid can also provide additional impact force and compression buffer effect so as to ensure the safety and reliability of the cable under the impact of external force.
The above embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A cable, characterized in that: including guide wire (10), three heart yearn (20), weave subassembly (30), insulating covering (40) and crust (50), guide wire (10) periphery wall is equipped with three location guide slot (11) along circumference direction equidistance indent, every location guide slot (11) cross section is semi-circular, three heart yearn (20) inboard card is located in three location guide slot (11), make mutual parallel arrangement between three heart yearn (20), and the length direction of three heart yearn (20) and the length direction parallel arrangement of guide wire (10), the cross section of every heart yearn (20) all is oval shape, and the major axis direction of every heart yearn (20) is located same straight line with the radial of guide wire (10), weave subassembly (30) cover and establish and install on three heart yearn (20) outside, insulating covering (40) cover is established and is installed on weaving subassembly (30) periphery wall, crust (50) cover are established and are installed on insulating covering (40).
2. The cable of claim 1, wherein: the guide wire (10) peripheral wall is concave along the circumferencial direction still equidistant three buffering guiding groove (12) that is equipped with, three buffering guiding groove (12) are adjacent three location guiding groove (11) setting, every buffering guiding groove (12) bottom is provided with insulating mattress layer (121), insulating mattress layer (121) top surface concave arc wall (122) that is equipped with, and arc wall (122) radian is the same with heart yearn (20), every arc wall (122) keep away from the one end of adjacent location guiding groove (11) still is provided with separation elastic membrane (124), separation elastic membrane (124) outside fixed mounting is in braiding subassembly (30) inner wall, and separation elastic membrane (124) slope sets up, separation elastic membrane (124) are made by flame retardant elastic material.
3. The cable of claim 2, wherein: the top surface of each arc-shaped groove (122) is provided with a plurality of concave mounting grooves (123) and retaining grooves (125) at equal intervals along the length direction of the guide line (10), triangular blocks are further convexly arranged in the middle of the bottom surface of each retaining groove (125), the length direction of each triangular block is perpendicular to the length direction of the corresponding buffering guide groove (12), and a buffering flame-retardant element (60) is arranged in each mounting groove (123).
4. A cable according to claim 3, characterized in that: each buffering flame-retardant element (60) comprises a flame-retardant liquid bag (61) and a buffering element (62), wherein flame-retardant liquid is stored in the flame-retardant liquid bag (61), the bottom of the flame-retardant liquid bag (61) is fixedly installed in an installation groove (123), one side wall of the flame-retardant liquid bag (61) is fixedly connected with the bottom of the side wall of the separation elastic membrane (124), an inclined installation surface (611) is concavely arranged at the top corner of the side wall of the flame-retardant liquid bag (61) far away from the separation elastic membrane (124), an inclined breaking guide surface (612) is concavely arranged at the top corner of the installation surface (611), the buffering element (62) is installed in the installation surface (611) and the breaking guide surface (612), and the length direction of the buffering element (62) is the same as the length direction of the installation groove (123).
5. The cable of claim 4, wherein: buffer element (62) include mounting bracket (621), two puncture boards (622) and two support and hold post (623), mounting bracket (621) keep away from and separate elastic membrane (124) one side top both ends all concave be equipped with through groove (624), mounting bracket (621) are including installation diaphragm (625) and installation riser (626), installation diaphragm (625) one end fixed mounting is in the broken guide face (612) top, installation diaphragm (625) other end fixed mounting is in installation riser (626) top, installation riser (626) bottom fixed mounting is in installation face (611) bottom, installation diaphragm (625) bottom both ends all concave be equipped with draw-in groove (627), and two draw-in grooves (627) set up with two through groove (624) relatively, two puncture boards (622) one end are installed in installation riser (626) bottom both ends through torsional spring rotation, and two puncture boards (622) set up with two through groove (624) relatively, two support and hold post (623) one end and wear to establish respectively and install in two puncture board (622) middle part through groove (624) rotation, and two other end support and hold core wire (623) outside core wire (20) in two.
6. The cable of claim 5, wherein: each puncture plate (622) top is provided with an inclined propping surface (628) in a concave manner on one side adjacent to the core wire (20), the propping surfaces (628) are propped against the bottom surface of the mounting transverse plate (625), the tops of the side walls of each puncture plate (622) are provided with buckles (629) in a convex manner, the buckles (629) are clamped in the clamping grooves (627), a buffer gap (63) is formed between the bottoms of the side walls of the puncture plates (622) and the top surface of the mounting surface (611), and a breakdown gap (64) is formed between the tops of the side walls of the puncture plates (622) and the top surface of the breaking guide surface (612).
7. The cable of claim 6, wherein: an arc-shaped surface (651) is concavely arranged at the top of each supporting column (623), the inner side of the arc-shaped surface (651) supports against the peripheral wall of the core wire (20), and a drainage groove (652) is concavely arranged in the middle of the outer side of the arc-shaped surface (651).
8. The cable of claim 7, wherein: each core wire (20) comprises an inner core (21) and a separation protection layer (22), the separation protection layer (22) is sleeved and installed on the inner core (21), the inner side of the separation protection layer (22) is clamped in the positioning guide groove (11), and one side of the separation protection layer (22) deviating from the positioning guide groove (11) is convexly provided with a buffering convex arc surface (23).
9. The cable of claim 8, wherein: the braiding component (30) comprises a braiding shrinkage net and a negative pressure shrinkage tube (32), the braiding shrinkage net is formed by braiding a plurality of braiding threads, the braiding shrinkage net is sleeved and installed on the outer sides of the three core wires (20), the outer sides of the separation elastic films (124) are fixedly installed on the inner wall of the braiding shrinkage net, the negative pressure shrinkage tube (32) is sleeved and installed on the braiding shrinkage net, and a plurality of negative pressure cavities (33) are formed in the negative pressure shrinkage tube (32) at equal intervals along the length direction.
10. The cable of claim 9, wherein: the inside cladding of insulating covering (40) has waterproof layer and three guide protrusion (41), and three guide protrusion (41) are along circumferencial direction equidistance distribution, and every guide protrusion (41) are located between separating protective layer (22) and separating elastic membrane (124), and guide protrusion (41) are kept away from buffering flame retardant element (60) one side setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311227904.3A CN117219328B (en) | 2023-09-21 | 2023-09-21 | Cable with improved cable tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311227904.3A CN117219328B (en) | 2023-09-21 | 2023-09-21 | Cable with improved cable tension |
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| CN117219328A true CN117219328A (en) | 2023-12-12 |
| CN117219328B CN117219328B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311227904.3A Active CN117219328B (en) | 2023-09-21 | 2023-09-21 | Cable with improved cable tension |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050083218A (en) * | 2004-02-03 | 2005-08-26 | 엘에스전선 주식회사 | A cable with impact-resistant structure and producing method thereof |
| CN112164505A (en) * | 2020-09-30 | 2021-01-01 | 钟杰 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant power cable |
| CN213635496U (en) * | 2021-01-04 | 2021-07-06 | 江西新吉电缆有限公司 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable |
| CN115762884A (en) * | 2022-11-02 | 2023-03-07 | 福州同泰电子有限公司 | High-strength and high-flame-retardancy cable |
-
2023
- 2023-09-21 CN CN202311227904.3A patent/CN117219328B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050083218A (en) * | 2004-02-03 | 2005-08-26 | 엘에스전선 주식회사 | A cable with impact-resistant structure and producing method thereof |
| CN112164505A (en) * | 2020-09-30 | 2021-01-01 | 钟杰 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant power cable |
| CN213635496U (en) * | 2021-01-04 | 2021-07-06 | 江西新吉电缆有限公司 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable |
| CN115762884A (en) * | 2022-11-02 | 2023-03-07 | 福州同泰电子有限公司 | High-strength and high-flame-retardancy cable |
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| CN117219328B (en) | 2024-05-03 |
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