CN114496370B - Buffering pressure-resistant cable based on elastic braided belt and preparation method thereof - Google Patents
Buffering pressure-resistant cable based on elastic braided belt and preparation method thereof Download PDFInfo
- Publication number
- CN114496370B CN114496370B CN202210015995.3A CN202210015995A CN114496370B CN 114496370 B CN114496370 B CN 114496370B CN 202210015995 A CN202210015995 A CN 202210015995A CN 114496370 B CN114496370 B CN 114496370B
- Authority
- CN
- China
- Prior art keywords
- protection
- resistant
- compression
- buffer
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 230000003139 buffering effect Effects 0.000 title claims description 17
- 238000007906 compression Methods 0.000 claims abstract description 121
- 230000006835 compression Effects 0.000 claims abstract description 119
- 238000009954 braiding Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 81
- 239000003063 flame retardant Substances 0.000 claims description 31
- 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 description 29
- 239000000945 filler Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 24
- 230000007797 corrosion Effects 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 239000011888 foil Substances 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000010426 asphalt Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of compression-resistant cables and discloses a buffer compression-resistant cable based on an elastic braid belt and a preparation method thereof; the buffer compression-resistant cable comprises a central main line, two groups of first protection structures respectively arranged at the left side and the right side of the central main line, and two groups of second protection structures arranged at the upper side and the lower side of the central main line; the central main line comprises a circular tubular central main protection tube, a multi-wire core protection groove, a first internal compression-resistant belt, a second internal compression-resistant belt and a main line core; the preparation method comprises the following steps: s1, manufacturing a central main line; s2, manufacturing a first protection structure; s3, manufacturing a second protection structure; the buffer compression-resistant cable based on the elastic braiding belt can effectively enhance the buffer compression-resistant capability of the cable and improve the safety of the cable.
Description
Technical Field
The invention relates to the technical field of compression-resistant cables, in particular to a buffer compression-resistant cable based on an elastic braid and a preparation method thereof.
Background
A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires; the structural elements of the wire and cable product can be generally divided into four main structural components of wires, insulating layers, shielding and protecting layers, filling elements, tensile elements and the like.
In the prior art, the cable is arranged in a cable arrangement area specially arranged in the air, but in many cases, the cable is inevitably temporarily placed on the ground due to an external construction environment, so that construction operation is performed;
Taking construction operation of a road as an example, a past engineering vehicle needs to repeatedly press a cable, and simple protective measures are generally adopted; the cable at the bottom is pressed, so that a cable core inside the cable is damaged, and signal transmission is interrupted; the risk is high, and the cable is easy to break; the electric appliances and the construction efficiency are affected.
Therefore, the cable provided by the prior art has poor buffering pressure resistance, the service life is forced to be short by repeated pressure, the circuit is easy to break, and the safety performance needs to be further improved.
Disclosure of Invention
The invention solves the technical problems that: in the prior art, the cable has poor buffering and pressure resistance, is easy to damage and has short service life.
The technical scheme of the invention is as follows: a buffer compression-resistant cable based on elastic braiding belts comprises a central main line, two groups of first protection structures respectively arranged at the left side and the right side of the central main line, and two groups of second protection structures arranged at the upper side and the lower side of the central main line;
The central main line comprises a circular tubular central main protection pipe, a multi-wire core protection groove horizontally fixed in the central main protection pipe, a first inner compression-resistant belt arranged in the central protection pipe and positioned above the multi-wire core protection groove, a second inner compression-resistant belt arranged in the central protection pipe and positioned below the multi-wire core protection groove, and main line cores respectively arranged on the first inner compression-resistant belt and the second inner compression-resistant belt;
the body of the central protection tube is a flame-retardant PE sheath protection tube;
An elastic braiding layer is wrapped on the outer wall of the central protection tube; the elastic braiding layer is wrapped with a flame-retardant sheath; the flame-retardant sheath is coated with an asphalt corrosion-resistant layer;
an insulating filling material is arranged in the central protection tube;
The first inner compression-resistant belt comprises a first arc-shaped protective belt, and a first wire core clamping groove which is arranged in the middle of the first arc-shaped protective belt and is downward in opening;
The second inner compression-resistant belt comprises a second arc-shaped protective belt which is arranged below the multi-wire core protective groove and corresponds to the first arc-shaped protective belt up and down, and second wire core clamping grooves which are arranged at two ends of the second arc-shaped protective belt;
the multi-wire core protection groove is a wavy metal protection groove;
The multi-wire core protection groove is provided with a protection groove which is meshed with the first wire core clamping groove and the second wire core clamping groove and is used for protecting the main wire core;
the outer wall of the main line core is wrapped with an aluminum foil shielding layer, and the aluminum foil shielding layer is wrapped with a high-temperature resistant insulating layer.
Further, the first protection structure comprises two compression-resistant belts which are arranged on the side face of the central main line and horizontally extend along the left and right, side buffer structures with two ends connected with the compression-resistant belts respectively, and elastic buffer fillers filled in the side buffer structures;
the side buffer structure comprises a middle buffer block and inclined protecting belts which are arranged at the upper end and the lower end of the middle buffer block and are connected with the compression-resistant belts;
the outer side of the middle buffer block is provided with an energy absorption groove; the compression-resistant belts extending horizontally are arranged on two sides of the central main line, so that the section of the whole cable is flat, the buffering pressure resistance of the cable during compression resistance is greatly improved through the side buffering structure, and the main line core is effectively protected.
Further, a compression hole is formed in the middle of the buffer filler; side wire core mounting grooves are formed in the buffer filler and located above and below the compression holes;
A side wire core is arranged in the side wire core mounting groove; the side wire core is consistent with the main wire core in structure; the side of the cable is subjected to energy absorption treatment by adopting buffer filler, and the power transmission capacity of the cable can be effectively improved by arranging the side wire core; the arrangement of the compression holes can guide the side line cores to shrink towards the middle part when the cable is compressed, so that the central main line is a pressure-bearing part, and the side line cores are effectively protected.
Further, the second protection structure comprises external buffer protection layers arranged on the upper side and the lower side of the central main line;
Cooling grooves are uniformly formed in the external buffer protection layer; the upper and lower external buffer protection layers can realize the protection of the upper and lower surfaces of the central main line, are favorable for enhancing the buffer capacity of the cable in the vertical direction, and realize the effective protection of the main line core.
Further, the external buffer protection layer and the cooling groove are covered with a corrosion-resistant protection layer; the arrangement of the corrosion-resistant protective layer can effectively improve the corrosion resistance of the cable and prolong the service life of external protection.
Further, the insulating filling material comprises 2-3 layers of flame-retardant filling layers formed by weaving flame-retardant filling ropes, and buffer elastic layers clamped between the flame-retardant filling layers are filled;
The buffer elastic layer adopts a thermoplastic elastomer; the flame-retardant capability of the central main line can be enhanced through the arrangement of the flame-retardant filling ropes; the buffer elastic layer can improve the compression resistance of the central main pipe; the thermoplastic elastomer has thermoplasticity, can heat plasticity, can be like rubber, has excellent rebound resilience, and is favorable for compression-resistant protection of the main line core.
Further, elastic connecting rods are uniformly connected between the ends of the first inner compression-resistant belt and the second inner compression-resistant belt; the elastic connecting rod can adopt a rubber connecting rod, the compressive resistance of the cable can be further enhanced through the elastic connecting rod, the energy absorption quality is improved, the cable is convenient to resist compression and then release stress through rebound, the effective protection is realized on the wire core, and the service life of the cable under repeated compression resistance is prolonged.
Further, a sheath is arranged outside the first protection structure and the second protection structure;
the sheath is made of a resin containing 25 to 60wt.% nickel hydroxide; the high temperature resistance and corrosion resistance of the cable are improved through the protection of the sheath, and the service life of the cable is prolonged.
A preparation method of a buffering compression-resistant cable based on elastic braided belts comprises the following steps:
S1: manufacturing central main line
Firstly, installing a main line core in a first line core clamping groove and a second line core clamping groove of a first internal compression-resistant belt and a second internal compression-resistant belt respectively;
then, correspondingly paving a first internal compression-resistant belt and a second internal compression-resistant belt which are provided with the main line core, and penetrating the first internal compression-resistant belt and the second internal compression-resistant belt to form a multi-line core protection groove;
sleeving a central main protection tube with the diameter of 20-38 mm, and filling insulating filling materials into the central main protection tube;
S2: preparation of first protective Structure
The compression-resistant belts and the side buffer structures are arranged on the left side and the right side of the central main line, and the cavity enclosed by the compression-resistant belts and the side buffer structures is filled with elastic buffer filler;
S3: preparation of the second protective Structure
And 3-6 mm buffer protection layers are covered and paved on the upper side and the lower side of the central main line.
The beneficial effects of the invention are as follows: the buffer compression-resistant cable based on the elastic braiding belt is provided, and a main line core is protected through a multi-line core protection groove, a first internal compression-resistant belt and a second internal compression-resistant belt which are arranged in a central main protection pipe; when the cable is pressed, the main line core moves to the multi-line core protection groove, so that the main line core is effectively prevented from being pressed, and the compression resistance and buffering capacity of the cable are improved; the two sides of the central main line are provided with the compression belts which extend horizontally, so that the section of the whole cable is flat, and on one hand, the multi-wire core protection groove can be horizontally placed when the cable is on the ground; on the other hand, the buffering pressure resistance of the side surface of the central main protection tube is further improved; the second protection structure is arranged on the upper part and the lower part of the central main line, so that the compression resistance of the cable in the vertical direction is effectively improved, and the buffer compression resistance of the cable is effectively improved; the cable preparation method provided by the invention can be used for manufacturing the buffer compression-resistant cable with strong buffer capacity and strong compression resistance.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of an elastic woven layer according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a side buffering structure according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the structure of a buffer filler according to embodiment 2 of the present invention;
FIG. 5 is a schematic view showing the structure of an insulating filler material according to embodiment 3 of the present invention;
The novel cable comprises a 1-central main line, a 10-central main protection tube, an 11-multi-wire core protection groove, a 110-protection groove, a 12-first inner compression-resistant belt, a 120-first arc protection belt, a 121-first wire core clamping groove, a 13-second inner compression-resistant belt, a 130-second arc protection belt, a 131-second wire core clamping groove, a 14-main wire core, a 140-aluminum foil shielding layer, a 141-high temperature resistant insulating layer, a 15-elastic woven layer, a 16-flame retardant sheath, a 17-asphalt corrosion-resistant layer, an 18-insulating filling material, a 180-flame retardant filling layer, a 181-buffer elastic layer, a 19-elastic connecting rod, a 2-first protection structure, a 4-sheath, a 20-compression-resistant belt, a 21-side buffer structure, a 22-elastic buffer filler, a 210-buffer block, a 211-inclined protection belt, a 212-energy absorption groove, a 220-compression hole, a 221-side wire core mounting groove, a 222-side wire core, a 3-second protection structure, a 30-outer buffer protection layer and a 31-cooling groove.
Detailed Description
Example 1
The buffer compression-resistant cable based on the elastic braid belt shown in fig. 1 comprises a central main line 1, two groups of first protection structures 2 respectively arranged at the left side and the right side of the central main line 1, and two groups of second protection structures 3 arranged at the upper side and the lower side of the central main line 1;
The central main line 1 comprises a circular tubular central main protection tube 10, a multi-wire core protection groove 11 horizontally fixed inside the central main protection tube 10, a first inner compression-resistant belt 12 arranged inside the central protection tube 10 and positioned above the multi-wire core protection groove 11, a second inner compression-resistant belt 13 arranged inside the central protection tube 10 and positioned below the multi-wire core protection groove 11, and a main line core 14 respectively arranged on the first inner compression-resistant belt 12 and the second inner compression-resistant belt 13;
the body of the central protection tube 10 is a flame-retardant PE sheath protection tube;
As shown in fig. 2, the outer wall of the central protection tube 10 is wrapped with an elastic braiding layer 15; the elastic braiding layer 15 is wrapped with a flame-retardant sheath 16; the flame-retardant sheath 16 is coated with an asphalt corrosion-resistant layer 17;
an insulating filling material 18 is arranged inside the central protection tube 10;
The first inner pressure-resistant belt 12 comprises a first arc-shaped protecting belt 120, and a first wire core clamping groove 121 which is arranged in the middle of the first arc-shaped protecting belt 120 and is downward in opening;
The second internal compression-resistant belt 13 comprises a second arc-shaped protecting belt 130 which is arranged below the multi-wire core protecting groove 11 and corresponds to the first arc-shaped protecting belt 120 up and down, and second wire core clamping grooves 131 which are arranged at two ends of the second arc-shaped protecting belt 130;
The multi-wire core protection groove 11 is a wavy metal protection groove;
The multi-wire core protection groove 11 is provided with a protection groove 110 which is meshed with the first wire core clamping groove 121 and the second wire core clamping groove 131 and is used for protecting the main wire core 14;
An aluminum foil shielding layer 140 is wrapped on the outer wall of the main line core 14, and a high-temperature resistant insulating layer 141 is wrapped outside the aluminum foil shielding layer 140;
the first protection structure 2 comprises two compression-resistant belts 20 which are arranged on the side surface of the central main line 1 and horizontally extend along the left and right, side buffer structures 21 with two ends respectively connected with the compression-resistant belts 20, and elastic buffer fillers 22 filled in the side buffer structures 21;
as shown in fig. 3, the side buffering structure 21 includes a middle buffering block 210, and inclined protecting belts 211 disposed at upper and lower ends of the middle buffering block 210 and connected to the pressure-resistant belt 20;
an energy absorption groove 212 is formed on the outer side of the middle buffer block 210.
The second protection structure 3 includes external buffer protection layers 30 disposed on upper and lower sides of the central main line 1;
The outer buffer protection layer 30 is uniformly provided with cooling grooves 31.
The outer buffer protection layer 30 and the cooling groove 31 are covered with corrosion-resistant protection layers.
Wherein, the insulating filling material 18 adopts flame-retardant filling ropes; the high temperature resistant insulating layer 141 is polyvinylidene fluoride; the corrosion-resistant protective layer adopts a high molecular polymer.
Example 2
The buffer compression-resistant cable based on the elastic braiding belt comprises a central main line 1, two groups of first protection structures 2 respectively arranged at the left side and the right side of the central main line 1, and two groups of second protection structures 3 respectively arranged at the upper side and the lower side of the central main line 1;
The central main line 1 comprises a circular tubular central main protection tube 10, a multi-wire core protection groove 11 horizontally fixed inside the central main protection tube 10, a first inner compression-resistant belt 12 arranged inside the central protection tube 10 and positioned above the multi-wire core protection groove 11, a second inner compression-resistant belt 13 arranged inside the central protection tube 10 and positioned below the multi-wire core protection groove 11, and a main line core 14 respectively arranged on the first inner compression-resistant belt 12 and the second inner compression-resistant belt 13;
the body of the central protection tube 10 is a flame-retardant PE sheath protection tube;
an elastic braiding layer 15 is wrapped on the outer wall of the central protection tube 10; the elastic braiding layer 15 is wrapped with a flame-retardant sheath 16; the flame-retardant sheath 16 is coated with an asphalt corrosion-resistant layer 17;
an insulating filling material 18 is arranged inside the central protection tube 10;
The first inner pressure-resistant belt 12 comprises a first arc-shaped protecting belt 120, and a first wire core clamping groove 121 which is arranged in the middle of the first arc-shaped protecting belt 120 and is downward in opening;
The second internal compression-resistant belt 13 comprises a second arc-shaped protecting belt 130 which is arranged below the multi-wire core protecting groove 11 and corresponds to the first arc-shaped protecting belt 120 up and down, and second wire core clamping grooves 131 which are arranged at two ends of the second arc-shaped protecting belt 130;
The multi-wire core protection groove 11 is a wavy metal protection groove;
The multi-wire core protection groove 11 is provided with a protection groove 110 which is meshed with the first wire core clamping groove 121 and the second wire core clamping groove 131 and is used for protecting the main wire core 14;
The outer wall of the main line core 14 is wrapped with an aluminum foil shielding layer 140, and the aluminum foil shielding layer 140 is wrapped with a high-temperature resistant insulating layer 141.
The first protection structure 2 comprises two compression-resistant belts 20 which are arranged on the side surface of the central main line 1 and horizontally extend along the left and right, side buffer structures 21 with two ends respectively connected with the compression-resistant belts 20, and elastic buffer fillers 22 filled in the side buffer structures 21;
the side buffer structure 21 includes a middle buffer block 210, and inclined protection belts 211 disposed at upper and lower ends of the middle buffer block 210 and connected to the compression-resistant belt 20;
an energy absorption groove 212 is formed on the outer side of the middle buffer block 210.
As shown in fig. 4, a compression hole 220 is provided in the middle of the buffer filler 22; side wire core mounting grooves 221 are formed in the buffer filler 22 and located above and below the compression holes 220;
A side wire core 222 is arranged in the side wire core mounting groove 221; the side wire core 222 is structurally identical to the main wire core 14.
Elastic connecting rods 19 are uniformly connected between the ends of the first inner compression-resistant belt 12 and the second inner compression-resistant belt 13.
The second protection structure 3 includes external buffer protection layers 30 disposed on upper and lower sides of the central main line 1;
The outer buffer protection layer 30 is uniformly provided with cooling grooves 31.
The outer buffer protection layer 30 and the cooling groove 31 are covered with corrosion-resistant protection layers.
Wherein, the insulating filling material 18 adopts flame-retardant filling ropes; the high temperature resistant insulating layer 141 is polyvinylidene fluoride; the corrosion-resistant protective layer adopts a high molecular polymer.
Compared with the embodiment 1, in the embodiment 2, the compression hole 220 is arranged in the middle of the buffer filler 22, and the side wire cores 222 are arranged above and below the compression hole 220, so that on one hand, the power transmission capacity of the cable can be effectively improved, and on the other hand, the main pressure is borne by the central main wire 1 to finish the compression protection of the side wire cores.
Example 3
The buffer compression-resistant cable based on the elastic braiding belt comprises a central main line 1, two groups of first protection structures 2 respectively arranged at the left side and the right side of the central main line 1, and two groups of second protection structures 3 respectively arranged at the upper side and the lower side of the central main line 1;
The central main line 1 comprises a circular tubular central main protection tube 10, a multi-wire core protection groove 11 horizontally fixed inside the central main protection tube 10, a first inner compression-resistant belt 12 arranged inside the central protection tube 10 and positioned above the multi-wire core protection groove 11, a second inner compression-resistant belt 13 arranged inside the central protection tube 10 and positioned below the multi-wire core protection groove 11, and a main line core 14 respectively arranged on the first inner compression-resistant belt 12 and the second inner compression-resistant belt 13;
the body of the central protection tube 10 is a flame-retardant PE sheath protection tube;
an elastic braiding layer 15 is wrapped on the outer wall of the central protection tube 10; the elastic braiding layer 15 is wrapped with a flame-retardant sheath 16; the flame-retardant sheath 16 is coated with an asphalt corrosion-resistant layer 17;
an insulating filling material 18 is arranged inside the central protection tube 10;
The first inner pressure-resistant belt 12 comprises a first arc-shaped protecting belt 120, and a first wire core clamping groove 121 which is arranged in the middle of the first arc-shaped protecting belt 120 and is downward in opening;
The second internal compression-resistant belt 13 comprises a second arc-shaped protecting belt 130 which is arranged below the multi-wire core protecting groove 11 and corresponds to the first arc-shaped protecting belt 120 up and down, and second wire core clamping grooves 131 which are arranged at two ends of the second arc-shaped protecting belt 130;
The multi-wire core protection groove 11 is a wavy metal protection groove;
The multi-wire core protection groove 11 is provided with a protection groove 110 which is meshed with the first wire core clamping groove 121 and the second wire core clamping groove 131 and is used for protecting the main wire core 14;
The outer wall of the main line core 14 is wrapped with an aluminum foil shielding layer 140, and the aluminum foil shielding layer 140 is wrapped with a high-temperature resistant insulating layer 141.
The first protection structure 2 comprises two compression-resistant belts 20 which are arranged on the side surface of the central main line 1 and horizontally extend along the left and right, side buffer structures 21 with two ends respectively connected with the compression-resistant belts 20, and elastic buffer fillers 22 filled in the side buffer structures 21;
the side buffer structure 21 includes a middle buffer block 210, and inclined protection belts 211 disposed at upper and lower ends of the middle buffer block 210 and connected to the compression-resistant belt 20;
an energy absorption groove 212 is formed on the outer side of the middle buffer block 210.
The middle part of the buffer filler 22 is provided with a compression hole 220; side wire core mounting grooves 221 are formed in the buffer filler 22 and located above and below the compression holes 220;
A side wire core 222 is arranged in the side wire core mounting groove 221; the side wire core 222 is structurally identical to the main wire core 14.
The second protection structure 3 includes external buffer protection layers 30 disposed on upper and lower sides of the central main line 1;
The outer buffer protection layer 30 is uniformly provided with cooling grooves 31.
The outer buffer protection layer 30 and the cooling groove 31 are covered with corrosion-resistant protection layers; the corrosion-resistant protective layer adopts a high molecular polymer.
As shown in fig. 5, the insulating filling material 18 includes 2 flame retardant filling layers 180 formed by weaving flame retardant filling ropes, and a buffer elastic layer 181 interposed between the flame retardant filling layers 180 is filled;
The buffer elastic layer 181 is made of a thermoplastic elastomer.
The first protection structure 2 and the second protection structure 3 are externally provided with a sheath 4;
the sheath 4 is made of a resin containing 25wt.% nickel hydroxide;
unlike example 2, the following is: the flame-retardant filling layer 180 is arranged in the buffer elastic layer 181, so that the high temperature resistance and flame retardance of the cable are effectively improved, and the safety of the cable is improved; the protective sleeve 4 is arranged outside the first protective structure 2 and the second protective structure 3 to further improve the protective capability of the cable.
Example 4
A preparation method of a buffering compression-resistant cable based on elastic braided belts comprises the following steps:
S1: manufacturing central main line
First, the main line core 14 is respectively arranged in a first line core clamping groove 121 and a second line core clamping groove 131 of the first inner compression-resistant belt 12 and the second inner compression-resistant belt 13;
Then, correspondingly paving a first inner compression-resistant belt 12 and a second inner compression-resistant belt 13 on which the main wire core 14 is arranged, and penetrating the first inner compression-resistant belt 12 and the second inner compression-resistant belt 13 to form a multi-wire core protection groove 11;
A central main protection pipe 10 with the diameter of 38mm is sleeved, and the inside of the central main protection pipe 10 is filled with an insulating filling material 18;
S2: preparation of first protective Structure
The compression-resistant belts 20 and the side buffer structures 21 are arranged on the left side and the right side of the central main line 1, and the cavities surrounded by the compression-resistant belts 20 and the side buffer structures 21 are filled with elastic buffer fillers 22;
S3: preparation of the second protective Structure
A 6mm buffer protection layer 30 is laid on the upper and lower sides of the central main line 1.
The first protection structure 2 and the second protection structure 3 are provided with a sheath 4;
sheath 4 is made of a resin containing 25wt.% nickel hydroxide.
Example 5
Unlike example 4, the following is:
The first inner compression-resistant belt 12 and the second inner compression-resistant belt 13 are sleeved with a central main protection pipe 10 with the diameter of 20 mm;
A buffer protection layer 30 of 3mm is laid on the upper and lower sides of the central main line 1.
The first protection structure 2 and the second protection structure 3 are provided with a sheath 4; sheath 4 is made of a resin containing 60wt.% nickel hydroxide.
Claims (7)
1. The buffering pressure-resistant cable based on the elastic braiding belt is characterized by comprising a central main line (1), two groups of first protection structures (2) respectively arranged at the left side and the right side of the central main line (1), and two groups of second protection structures (3) arranged at the upper side and the lower side of the central main line (1);
The central main line (1) comprises a tubular central protection tube (10), a multi-line-core protection groove (11) horizontally fixed inside the central protection tube (10), a first inner compression-resistant belt (12) arranged inside the central protection tube (10) and positioned above the multi-line-core protection groove (11), a second inner compression-resistant belt (13) arranged inside the central protection tube (10) and positioned below the multi-line-core protection groove (11), and a main line core (14) respectively arranged on the first inner compression-resistant belt (12) and the second inner compression-resistant belt (13);
the body of the central protection tube (10) is a flame-retardant PE sheath protection tube;
An elastic braiding layer (15) is wrapped on the outer wall of the central protection tube (10); the elastic braiding layer (15) is wrapped with a flame-retardant sheath (16); the flame-retardant sheath (16) is coated with an asphalt corrosion-resistant layer (17);
an insulating filling material (18) is arranged in the central protection tube (10);
The first inner compression-resistant belt (12) comprises a first arc-shaped protective belt (120), and a first wire core clamping groove (121) which is arranged in the middle of the first arc-shaped protective belt (120) and is downward in opening;
The second internal compression-resistant belt (13) comprises a second arc-shaped protective belt (130) which is arranged below the multi-wire core protective groove (11) and corresponds to the first arc-shaped protective belt (120) up and down, and second wire core clamping grooves (131) which are arranged at two ends of the second arc-shaped protective belt (130);
the multi-wire core protection groove (11) is a wavy metal protection groove;
The multi-wire core protection groove (11) is provided with a protection groove (110) which corresponds to the first wire core clamping groove (121) and the second wire core clamping groove (131) and is used for protecting the main wire core (14);
An aluminum foil shielding layer (140) is wrapped on the outer wall of the main line core (14), a high-temperature resistant insulating layer (141) is wrapped on the outer side of the aluminum foil shielding layer (140), and the main line core moves towards the multi-line-core protection groove when the cable is pressed;
the first protection structure (2) comprises two compression-resistant belts (20) which are arranged on the side surface of the central main line (1) and horizontally extend along the left and right, side buffer structures (21) with two ends respectively connected with the compression-resistant belts (20), and elastic buffer fillers (22) filled in the side buffer structures (21);
the side buffer structure (21) comprises a middle buffer block (210), and inclined protection belts (211) which are arranged at the upper end and the lower end of the middle buffer block (210) and are connected with the compression-resistant belts (20);
an energy absorption groove (212) is formed in the outer side of the middle buffer block (210), and the multi-wire core protection groove is horizontally arranged when the cable is on the ground;
elastic connecting rods (19) are uniformly connected between the ends of the first inner compression-resistant belt (12) and the second inner compression-resistant belt (13).
2. The elastic braid-based buffered, compression-resistant cable of claim 1, wherein the buffer filler (22) is provided with a compression hole (220) in the middle; side wire core mounting grooves (221) are formed in the buffer filler (22) and located above and below the compression holes (220);
A side wire core (222) is arranged in the side wire core mounting groove (221); the side wire core (222) is consistent with the main wire core (14) in structure.
3. A buffered, pressure-resistant cable based on elastic webbing according to claim 1, characterized in that said second protective structure (3) comprises external buffer protective layers (30) arranged on the upper and lower sides of said central main line (1);
and cooling grooves (31) are uniformly formed in the outer buffer protection layer (30).
4. A buffered, compression-resistant cable based on an elastic braid as claimed in claim 3, wherein the outer buffer protective layer (30) and the cooling trough (31) are covered with a corrosion-resistant protective layer.
5. A buffered, pressure-resistant cable based on elastic braid according to claim 1, characterized in that said insulating filler material (18) comprises 2 or 3 layers of flame-retardant filler layers (180) braided with flame-retardant filler ropes, filling a buffer elastic layer (181) sandwiched between said flame-retardant filler layers (180);
The buffer elastic layer (181) adopts a thermoplastic elastomer.
6. The buffering and pressure-resistant cable based on elastic braid according to claim 1, characterized in that the first protection structure (2) and the second protection structure (3) are externally provided with a sheath (4);
The sheath (4) is made of a resin containing 25-60 wt.% nickel hydroxide.
7. The method for manufacturing the buffering and pressure-resistant cable based on the elastic braid according to any one of claims 1 to 6, which is characterized by comprising the following steps:
S1: manufacturing central main line
Firstly, a main line core (14) is respectively arranged in a first line core clamping groove (121) and a second line core clamping groove (131) of a first internal compression-resistant belt (12) and a second internal compression-resistant belt (13);
Then, correspondingly paving a first inner compression-resistant belt (12) and a second inner compression-resistant belt (13) on which the main wire core (14) is arranged, and penetrating the first inner compression-resistant belt (12) and the second inner compression-resistant belt (13) to form a multi-wire core protection groove (11);
a central main protection pipe (10) with the diameter of 20-38 mm is sleeved, and an insulating filling material (18) is filled in the central main protection pipe (10);
S2: preparation of first protective Structure
The compression-resistant belts (20) and the side buffer structures (21) are arranged on the left side and the right side of the central main line (1), and the cavity enclosed by the compression-resistant belts (20) and the side buffer structures (21) is filled with elastic buffer filler (22);
S3: preparation of the second protective Structure
And 3-6 mm buffer protection layers (30) are laid on the upper side and the lower side of the central main line (1) in a covering mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015995.3A CN114496370B (en) | 2022-01-07 | 2022-01-07 | Buffering pressure-resistant cable based on elastic braided belt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015995.3A CN114496370B (en) | 2022-01-07 | 2022-01-07 | Buffering pressure-resistant cable based on elastic braided belt and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114496370A CN114496370A (en) | 2022-05-13 |
| CN114496370B true CN114496370B (en) | 2024-05-17 |
Family
ID=81510222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210015995.3A Active CN114496370B (en) | 2022-01-07 | 2022-01-07 | Buffering pressure-resistant cable based on elastic braided belt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114496370B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207731702U (en) * | 2017-12-07 | 2018-08-14 | 浙江揽盛通信科技有限公司 | A kind of Compression-resistincable cable |
| CN210167143U (en) * | 2019-05-08 | 2020-03-20 | 久盛电缆科技有限公司 | High-altitude cable with high stability |
| CN213752021U (en) * | 2020-07-10 | 2021-07-20 | 安徽凌宇电缆科技有限公司 | Novel flexible towline cable |
| CN214123539U (en) * | 2020-12-11 | 2021-09-03 | 深圳市菲尼的科技有限公司 | Novel polyphenyl thioether extrusion-resistant cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2898606T3 (en) * | 2015-06-19 | 2022-03-08 | Corning Optical Communications LLC | Optical fiber cable and method for forming an optical fiber cable |
-
2022
- 2022-01-07 CN CN202210015995.3A patent/CN114496370B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207731702U (en) * | 2017-12-07 | 2018-08-14 | 浙江揽盛通信科技有限公司 | A kind of Compression-resistincable cable |
| CN210167143U (en) * | 2019-05-08 | 2020-03-20 | 久盛电缆科技有限公司 | High-altitude cable with high stability |
| CN213752021U (en) * | 2020-07-10 | 2021-07-20 | 安徽凌宇电缆科技有限公司 | Novel flexible towline cable |
| CN214123539U (en) * | 2020-12-11 | 2021-09-03 | 深圳市菲尼的科技有限公司 | Novel polyphenyl thioether extrusion-resistant cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114496370A (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203787200U (en) | Fan-shaped conductor copper braid shielding flexible cable | |
| CN202694828U (en) | Electromobile battery high voltage cable | |
| CN114496370B (en) | Buffering pressure-resistant cable based on elastic braided belt and preparation method thereof | |
| CN210535413U (en) | Environment-friendly high-flame-retardant tensile communication cable for coal mine | |
| CN211125158U (en) | Anti-extrusion high-heat-dissipation power cable | |
| CN212032742U (en) | High-strength cable | |
| CN202694975U (en) | Power cable special for oil well | |
| CN116543954A (en) | Silicone rubber flame-retardant flexible power cable with good torsion resistance | |
| CN213025466U (en) | High compressive strength electric wire | |
| CN212782845U (en) | Cable for automobile | |
| CN114914030A (en) | Buried optical cable | |
| CN209641381U (en) | A kind of underwater operation high-strength waterproof cable | |
| CN219872919U (en) | High-elasticity cable | |
| CN207397748U (en) | The marine fire-resistant cable that a kind of high intensity is pressure-resistant | |
| KR20170105246A (en) | Joint sleeve for cable connecting case and cable having joint sleeve | |
| CN117219337A (en) | Power cable for outdoor electric equipment | |
| CN220381819U (en) | Tensile cable | |
| CN215007626U (en) | High-strength insulating flame-retardant wire | |
| CN219658425U (en) | Anti-extrusion mining cable | |
| CN219553291U (en) | Tidal power generation cable | |
| CN219916729U (en) | Composite cable | |
| CN216487427U (en) | Antimagnetic anti-interference special cable | |
| CN220420303U (en) | Composite anti-aging cable | |
| CN215376999U (en) | Tensile control cable | |
| CN216697876U (en) | Crosslinked polyethylene insulated flame-retardant polyvinyl chloride sheath power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |