CN220962861U - Crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding control cable - Google Patents
Crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding control cable Download PDFInfo
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- CN220962861U CN220962861U CN202322741664.0U CN202322741664U CN220962861U CN 220962861 U CN220962861 U CN 220962861U CN 202322741664 U CN202322741664 U CN 202322741664U CN 220962861 U CN220962861 U CN 220962861U
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- compression
- buffer
- control cable
- resistant
- outside
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- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 20
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 20
- 239000003063 flame retardant Substances 0.000 title claims abstract description 19
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 18
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 18
- 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 claims abstract description 17
- 238000009413 insulation Methods 0.000 title claims description 4
- 239000000872 buffer Substances 0.000 claims abstract description 91
- 230000006835 compression Effects 0.000 claims abstract description 86
- 238000007906 compression Methods 0.000 claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables, in particular to a crosslinked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding control cable, which comprises a compression-resistant framework, wherein a plurality of compression-resistant mechanisms are arranged outside the compression-resistant framework, each compression-resistant mechanism comprises a fixed plate, a buffer plate and a buffer assembly, the buffer plate is arranged on one side, far away from the compression-resistant framework, of the fixed plate, the buffer assembly is arranged between the fixed plate and the buffer plate, a plurality of copper conductors are arranged outside the compression-resistant framework and between every two adjacent buffer assemblies, insulating layers are sleeved outside the copper conductors, and a wrapping layer, a shielding layer, an inner liner, an armor layer and a sheath layer are sequentially arranged outside the compression-resistant mechanisms and the copper conductors from inside to outside; the compression-resistant mechanism is matched with the wrapped armor layer, so that the compression-resistant buffer effect on the control cable is good, the compression-resistant mechanism is simple in structure, the production difficulty of the compression-resistant mechanism is greatly reduced, and the production and processing of the control cable are facilitated.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding control cable.
Background
The control cable is suitable for industrial and mining enterprises, energy traffic departments, control lines with the alternating current rated voltage below 450/750V and the like, and the selection of the metal shielding type of the control cable is calculated according to the strength of the influence of the possibly generated electric interference, so that measures for comprehensively inhibiting the interference are taken to meet the requirements of reducing the interference and overvoltage.
In the production and processing process of the control cable, a compression-resistant buffer structure is usually arranged in the control cable, such as a crosslinked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding control cable with the publication number of CN111899934A in the prior art, and the compression-resistant buffer structure arranged in the control cable can play a good compression-resistant buffer effect on the control cable in the use process, but the compression-resistant buffer structure is complex in structure, so that the control cable is inconvenient in the actual production and manufacturing process, has low production efficiency, and is further unfavorable for the production and processing of the control cable;
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of utility model
The utility model aims to provide a crosslinked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding control cable, which solves the technical defects, and the compression-resistant mechanism is matched with the compression-resistant mechanism and an armor layer wrapped on the outer side of a copper conductor, so that the compression resistance and tensile effect of the control cable are effectively improved, the received pressure is effectively buffered, and meanwhile, the compression-resistant mechanism used by the cable is simple in structure, the production difficulty of the compression-resistant mechanism is greatly reduced, and the production and processing of the control cable are facilitated.
The utility model is realized by the following technical scheme: the utility model provides a crosslinked polyethylene insulating fire-retardant polyvinyl chloride sheath shielding control cable, includes the resistance to compression skeleton, the outside of resistance to compression skeleton is provided with a plurality of resistance to compression mechanism, resistance to compression mechanism includes fixed plate, buffer plate and buffer assembly, the externally mounted of resistance to compression skeleton has a plurality of to be the fixed plate that annular array distributes, the one side of keeping away from the resistance to compression skeleton on the fixed plate is provided with the buffer plate, install buffer assembly between fixed plate and the buffer plate;
The outside of resistance to compression skeleton is located and all is provided with a plurality of copper conductor between each two adjacent groups of buffer modules, each the outside of copper conductor all overlaps and is equipped with the insulating layer, the resistance to compression mechanism is around the package through the cabling polyester area with the outside of a plurality of copper conductor has the band layer, the shielding layer has been woven through the copper wire in the outside of band layer, the outside of shielding layer has the inner liner through PVC area around the package, the outside of inner liner has the armor through galvanized steel strip around the package, the outside cover of armor is equipped with the restrictive coating.
Preferably, a plurality of clamping blocks are fixedly connected to one side, close to the compression-resistant framework, of the fixing plate, and clamping grooves which are clamped with the corresponding clamping blocks are formed in the outer side wall of the compression-resistant framework.
Preferably, the buffering subassembly includes fixed pipe box, buffer spring and buffer rod, fixed pipe box fixed connection is in one side of fixed plate, and the inside fixedly connected with buffer spring of fixed pipe box, buffer spring's free end fixedly connected with and fixed pipe box sliding connection's buffer rod, the free end of buffer rod extends to the outside of fixed pipe box and with buffer plate fixed connection.
Preferably, two groups of elastic arc rods are fixedly connected between the fixing plate and the buffer plate, and the elastic arc rods are symmetrically arranged on two sides of the fixing pipe sleeve.
Preferably, the insulating layer is made of crosslinked polyethylene.
Preferably, the sheath layer is made of flame-retardant polyvinyl chloride.
The beneficial effects of the utility model are as follows:
(1) According to the crosslinked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding control cable, the compression resistance and the tensile resistance of the copper conductor in the control cable are effectively improved through the wrapping armor layer, when larger external pressure is applied to the outer side of the control cable sheath layer and acts on the buffer plate, the buffer plate buffers and resists compression of the buffer plate which moves under stress through the buffer rod and the buffer spring, and the elastic arc-shaped rod between the buffer plate and the fixed plate is matched to effectively buffer the pressure, so that the control cable is prevented from being damaged, and the control cable has a better compression resistance effect;
(2) The compression-resistant mechanism used by the utility model has simple structure, plays a good compression-resistant buffering effect on the control cable, greatly reduces the production difficulty of the compression-resistant mechanism, and is further beneficial to the production and processing of the control cable.
Drawings
The utility model is further described below with reference to the accompanying drawings;
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic illustration of the connection of the compression resistant framework to the compression resistant mechanism of the present utility model;
FIG. 4 is a perspective view of the compression mechanism of the present utility model;
FIG. 5 is a schematic illustration of the connection of the compression resistant framework of the present utility model to a fixed plate.
Legend description:
1. a compression-resistant skeleton; 11. a clamping groove; 2. a compression-resistant mechanism; 21. a fixing plate; 22. a buffer plate; 23. a clamping block; 24. an elastic arc-shaped rod; 3. a buffer assembly; 31. a fixed pipe sleeve; 32. a buffer spring; 33. a buffer rod; 4. a copper conductor; 41. an insulating layer; 5. a tape layer; 6. a shielding layer; 7. an inner liner layer; 8. an armor layer; 9. and a sheath layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
The compression-resistant buffer structure used for the control cable in the prior art is complex in structure, is unfavorable for the production and processing of the control cable, and can be solved through the following scheme:
Referring to fig. 1-5, the embodiment is a cross-linked polyethylene insulated flame-retardant pvc sheath shielding control cable, including a compression-resistant skeleton 1, the compression-resistant skeleton 1 is made of elastic materials, when the cable is stressed and bent, the bending resistance of the control cable is improved, a plurality of compression-resistant mechanisms 2 are arranged outside the compression-resistant skeleton 1, the compression-resistant mechanisms 2 play a role in buffering the compression of the control cable, and further, the protection of an internal copper conductor 4 is increased, the compression-resistant mechanisms 2 comprise a fixed plate 21, a buffer plate 22 and a buffer assembly 3, a plurality of fixed plates 21 distributed in an annular array are arranged outside the compression-resistant skeleton 1, a buffer plate 22 is arranged on one side, far away from the compression-resistant skeleton 1, of the fixed plate 21 and the buffer plate 22, the buffer assembly 3 is arranged between the fixed plate 21 and the buffer plate 22, when external large pressure is applied to the outer side of the control cable and acts on the buffer plate 22, the buffer plate 22 performs buffering and compression resistance on the buffer plate 22 which is stressed and moves through the buffer assembly 3, thereby realizing effective buffering of the pressure and avoiding the damage problem of the control cable;
The outside of resistance to compression skeleton 1 is located all is provided with a plurality of copper conductor 4 between each two adjacent groups buffer modules 3, the outside of each copper conductor 4 all overlaps and is equipped with insulating layer 41, insulate between the adjacent copper conductor 4, resistance to compression mechanism 2 and the outside of a plurality of copper conductor 4 are through the lapping of cabling polyester tape has band layer 5, play through the band layer 5 that sets up and twine copper conductor 4 and resistance to compression mechanism 2 fixedly, in order to weave shielding layer 6 in the two outsides, the outside of band layer 5 is woven through the copper wire and is had shielding layer 6, shielding layer 6 can stop the electromagnetic interference that energy arouses in the transmission process, the outside of shielding layer 6 is through PVC area lapping to have inner liner 7, the outside of inner liner 7 is through galvanized steel tape lapping to have armor 8, through the armor 8 of lapping, the effectual resistance to compression and the tensile effect to the inside copper conductor 4 of control cable that have been increased, the outside cover of armor 8 is equipped with restrictive coating 9.
One side of the fixed plate 21, which is close to the compression-resistant framework 1, is fixedly connected with a plurality of clamping blocks 23, the outer side wall of the compression-resistant framework 1 is provided with clamping grooves 11 which are clamped with the corresponding clamping blocks 23, and the compression-resistant mechanism 2 with a simple structure is conveniently produced through the clamping of the fixed plate 21 and the compression-resistant framework 1, so that the production and the processing of a control cable are facilitated.
The buffer assembly 3 comprises a fixed pipe sleeve 31, a buffer spring 32 and a buffer rod 33, wherein the fixed pipe sleeve 31 is fixedly connected to one side of the fixed plate 21, the buffer spring 32 is fixedly connected to the inner part of the fixed pipe sleeve 31, the buffer rod 33 is fixedly connected to the free end of the buffer spring 32 and is slidably connected with the fixed pipe sleeve 31, the free end of the buffer rod 33 extends to the outer side of the fixed pipe sleeve 31 and is fixedly connected with the buffer plate 22, and when external large pressure acts on the buffer plate 22, the buffer plate 22 buffers and resists pressure to the buffer plate 22 which is stressed and moves through the buffer rod 33 and the buffer spring 32.
Two groups of elastic arc rods 24 are fixedly connected between the fixing plate 21 and the buffer plate 22, the elastic arc rods 24 are symmetrically arranged on two sides of the fixing pipe sleeve 31, the arranged elastic arc rods 24 further increase the effect of the buffer plate 22 in compression buffering, and the compression resistance of the control cable is improved.
The insulating layer 41 is made of crosslinked polyethylene, the insulating layer 41 has an insulating effect on adjacent copper conductors 4, has good ageing resistance, chemical corrosion resistance, impact resistance, wear resistance and other performances, and effectively increases the insulating protection effect on the inner copper conductors 4.
The sheath layer 9 is made of flame-retardant polyvinyl chloride, and the sheath layer 9 has protection and flame-retardant effects on the cable.
The working process and principle of the utility model are as follows:
In the use process, the wound armor layer 8 is matched with the compression-resistant framework 1 together to play a role in primary compression resistance and tensile resistance when the outer side of the control cable is stressed, when larger external pressure is applied to the outer side of the control cable sheath layer 9 and acts on the buffer plate 22, the buffer plate 22 buffers and resists compression of the buffer plate 22 which moves under stress through the buffer rod 33 and the buffer spring 32, and the elastic arc-shaped rod 24 between the buffer plate 22 and the fixed plate 21 is matched together to buffer the pressure acting on the buffer plate 22 effectively, so that the control cable is prevented from being damaged, and the control cable has a better compression resistance effect;
When the compression-resistant buffer structure is produced, the compression-resistant mechanism 2 and the compression-resistant framework 1 can be produced step by step firstly, then the clamping blocks 23 on the inner fixing plate 21 of the compression-resistant mechanism 2 are clamped with the clamping grooves 11 on the compression-resistant framework 1, the production of the compression-resistant buffer structure is realized, the problem that the damaged compression-resistant mechanism 2 is installed on the compression-resistant framework 1 is avoided, and the compression resistance of a control cable is effectively guaranteed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a crosslinked polyethylene insulating fire-retardant polyvinyl chloride sheath shielding control cable, includes resistance to compression skeleton (1), its characterized in that, the outside of resistance to compression skeleton (1) is provided with a plurality of resistance to compression mechanism (2), resistance to compression mechanism (2) are including fixed plate (21), buffer board (22) and buffer module (3), the externally mounted of resistance to compression skeleton (1) has a plurality of fixed plate (21) that are annular array and distribute, one side of keeping away from resistance to compression skeleton (1) on fixed plate (21) is provided with buffer board (22), install buffer module (3) between fixed plate (21) and buffer board (22);
The outside that is located of resistance to compression skeleton (1) all is provided with a plurality of copper conductor (4) between each two adjacent groups buffer modules (3), each the outside of copper conductor (4) all overlaps and is equipped with insulating layer (41), resistance to compression mechanism (2) are around the package through the cable polyester area with the outside of a plurality of copper conductor (4) has band layer (5), the outside of band layer (5) is woven through the copper wire has shielding layer (6), the outside of shielding layer (6) is around the package through the PVC area has inner liner (7), the outside of inner liner (7) is around the package through galvanized steel tape has armor (8), the outside cover of armor (8) is equipped with restrictive coating (9).
2. The shielding control cable of the crosslinked polyethylene insulating flame-retardant polyvinyl chloride sheath according to claim 1, wherein a plurality of clamping blocks (23) are fixedly connected to one side, close to the compression-resistant framework (1), of the fixing plate (21), and clamping grooves (11) clamped with the corresponding clamping blocks (23) are formed in the outer side wall of the compression-resistant framework (1).
3. The shielding control cable of the crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath according to claim 1, wherein the buffer component (3) comprises a fixed pipe sleeve (31), a buffer spring (32) and a buffer rod (33), the fixed pipe sleeve (31) is fixedly connected to one side of the fixed plate (21), the buffer spring (32) is fixedly connected to the inside of the fixed pipe sleeve (31), the buffer rod (33) which is in sliding connection with the fixed pipe sleeve (31) is fixedly connected to the free end of the buffer spring (32), and the free end of the buffer rod (33) extends to the outer side of the fixed pipe sleeve (31) and is fixedly connected with the buffer plate (22).
4. A crosslinked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding control cable according to claim 3, characterized in that two groups of elastic arc rods (24) are fixedly connected between the fixing plate (21) and the buffer plate (22), and the elastic arc rods (24) are symmetrically arranged on two sides of the fixing sleeve (31).
5. The crosslinked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding control cable according to claim 1, wherein the insulating layer (41) is made of crosslinked polyethylene.
6. The crosslinked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding control cable according to claim 1, wherein the sheath layer (9) is made of flame-retardant polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741664.0U CN220962861U (en) | 2023-10-12 | 2023-10-12 | Crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741664.0U CN220962861U (en) | 2023-10-12 | 2023-10-12 | Crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962861U true CN220962861U (en) | 2024-05-14 |
Family
ID=91007747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322741664.0U Active CN220962861U (en) | 2023-10-12 | 2023-10-12 | Crosslinked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220962861U (en) |
-
2023
- 2023-10-12 CN CN202322741664.0U patent/CN220962861U/en active Active
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