CN219832232U - Bending-resistant durable multi-core shielded cable - Google Patents
Bending-resistant durable multi-core shielded cable Download PDFInfo
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- CN219832232U CN219832232U CN202320748420.2U CN202320748420U CN219832232U CN 219832232 U CN219832232 U CN 219832232U CN 202320748420 U CN202320748420 U CN 202320748420U CN 219832232 U CN219832232 U CN 219832232U
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- layer
- wire
- core
- group
- shielded cable
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- 238000005452 bending Methods 0.000 title claims abstract description 22
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- -1 polyethylene Polymers 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 9
- 238000009954 braiding Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 4
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 230000017105 transposition Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract description 73
- 238000001125 extrusion Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a bending-resistant durable multi-core shielding cable which comprises an inner layer wire core group, a middle layer wire core group and an outer layer wire core group which are sequentially and concentrically stranded around the outside of a stainless steel wire central stranded wire from inside to outside through a polyethylene filling core material, wherein the inner layer wire core group, the middle layer wire core group and the outer layer wire core group are all formed by stranding a plurality of equal-diameter insulating wire cores, the outside of the wire core body is coated with an ETFE resin antifriction layer, and the outside of the cable core is sequentially coated with a TPU extrusion inner sheath layer, a butyl rubber belt wrapping inner cushion layer, a metal wire mixed-woven shielding layer, a butyl rubber belt wrapping outer cushion layer and a TPU extrusion outer sheath layer. The cable core structure of the cable is more balanced, the bending resistance is improved, the service life is prolonged, and the durability and the usability are better.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a bending-resistant durable multi-core shielding cable.
Background
In an automated industrial production line, multi-core cables are commonly used for robots, electronic devices, and the like. The multi-wire cable needs to be subjected to repeated bending in the working process, and the cable core formed by the multi-wire core is easy to loose in cable core structure and low in tensile resistance in a long-term repeated bending working state, so that bending resistance is reduced, wire core breakage and core breakage are caused, electrical characteristics are influenced, and durability and usability are poor.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the bending-resistant durable multi-core shielding cable, which has more balanced cable core structure, improved bending resistance, prolonged service life and better durability.
The utility model solves the technical problems through the following technical proposal.
The utility model provides an anti crooked durable formula multicore shielded cable, includes inlayer sinle silk group, middle level sinle silk group and outer sinle silk group from interior to exterior through the outside concentric transposition of stainless steel wire center stranded conductor of interval in proper order of polyethylene packing core around constitutes the cable core, inlayer sinle silk group middle level sinle silk group with outer sinle silk group is a plurality of isodiametric insulation sinle silk transposition constitution sinle silk body just the outside cladding ETFE resin antifriction layer of sinle silk body, the outside cladding of cable core has TPU crowded package inner sheath layer, butyl rubber area around package inner cushion layer, metal wire mixed braiding shielding layer, butyl rubber area around package outer cushion layer and TPU crowded package outer sheath layer in proper order.
Preferably, the inner layer wire core group lay length, the middle layer wire core group lay length and the outer layer wire core group lay length are sequentially increased, and the lay length is 10 to 40 times of the outer diameter of the insulating wire core.
Preferably, the twisting direction of the inner layer wire core group, the twisting direction of the middle layer wire core group and the twisting direction of the outer layer wire core group are the same.
Preferably, the insulated wire core comprises an inner conductor and a silane grafted cross-linked low density polyethylene insulation layer.
Preferably, the inner conductor is formed by twisting a plurality of tinned copper monofilaments, and the diameter of each tinned copper monofilament is 0.02mm to 0.3mm.
Preferably, the cable core has an outer diameter of 22mm to 28mm.
Preferably, the metal wire mixed-braiding shielding layer is formed by mutually reversely spirally winding tin-plated copper wires and aluminum-magnesium wires, the wire diameter of the tin-plated copper wires is 0.15-0.32 mm, and the wire diameter of the tin-plated copper wires is 80-90% of the wire diameter of the aluminum-magnesium wires.
Preferably, the butyl rubber belt wrapping inner cushion layer and the butyl rubber belt wrapping outer cushion layer are both of a one-way spiral lapping and wrapping structure of the butyl rubber belt, and the hinge pitch of the butyl rubber belt is 0.5 to 4 times of the belt width.
Preferably, the outer part of the stainless steel wire center stranded wire is coated with an ETFE wrapping layer.
Preferably, the stainless steel wire central stranded wire is formed by a plurality of stainless steel wire bundles with the wire diameters of 0.1mm to 0.3mm.
The utility model has the beneficial effects that:
1. the cable core structure is more balanced and stable, the cable core strength is high, the bending resistance of the cable core is improved, the cable core groups are not easy to loosen, the durability is better, the stainless steel wire center stranded wire is arranged at the center, the tensile strength of the cable core is improved, the ETFE resin antifriction layer is coated on each layer of the cable core groups, the cable core loosening is prevented, the friction with the polyethylene filled core is reduced, the sliding performance of each layer of the cable core groups is improved, the stress concentration of each cable core is reduced, the bending resistance of the cable core is improved, the occurrence of the cable core breakage condition is prevented, and the cable is durable.
2. The butyl rubber belt wrapping inner and outer cushion layers are arranged between the TPU extrusion inner and outer sheath layers, so that the tensile strength and the torsion resistance of the cable are improved, the occurrence of broken wires of the metal wire mixed-woven shielding layer is effectively protected, the stable shielding characteristic is ensured, the safety and reliability are improved, the service life is prolonged, and the cable is durable.
3. The metal wire mixed braiding shielding layer is used for replacing a single copper wire or an aluminum wire braiding shielding layer, the rigidity of the tinned copper wire is high, the rigidity of the aluminum magnesium wire is weaker than that of the tinned copper wire, the tinned copper wire and the aluminum magnesium wire are in a reverse spiral winding braiding structure, the diameter ratio of the tinned copper wire to the aluminum magnesium wire is optimized, the flexibility of the shielding layer is improved, the torque force is reduced, the torsion resistance is better, the service life is prolonged, and the durability is better.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model.
In the figure: the cable comprises a 1-inner layer cable core group, a 2-middle layer cable core group, a 3-outer layer cable core group, a 4-stainless steel wire central stranded wire, a 5-polyethylene filling core material, a 6-insulating cable core, a 7-ETFE resin antifriction layer, an 8-TPU extrusion inner sheath layer, a 9-butyl rubber belt wrapping inner cushion layer, a 10-metal wire mixed weaving shielding layer, an 11-butyl rubber belt wrapping outer cushion layer, a 12-TPU extrusion outer sheath layer, a 13-inner conductor, a 14-silane grafted crosslinked low-density polyethylene insulating layer and a 15-ETFE wrapping layer.
Description of the embodiments
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, the bending-resistant durable multi-core shielded cable according to the embodiment of the utility model comprises an inner layer wire core group 1, a middle layer wire core group 2 and an outer layer wire core group 3, wherein the inner layer wire core group 1, the middle layer wire core group 2 and the outer layer wire core group 3 are sequentially and concentrically stranded around the outer part of a stainless steel wire center stranded wire 4 at intervals from inside to outside, further, the outer part of the stainless steel wire center stranded wire 4 is coated with an ETFE wrapping layer 15, and the stainless steel wire center stranded wire 4 is formed by a plurality of stainless steel wire bundles with the wire diameters of 0.1mm to 0.3mm. Specifically, the twisting pitch of the inner layer wire core group 1, the twisting pitch of the middle layer wire core group 2 and the twisting pitch of the outer layer wire core group 3 are sequentially increased, the twisting pitch is 10 to 40 times of the outer diameter of the insulating wire core 6, and further, the twisting direction of the inner layer wire core group 1, the twisting direction of the middle layer wire core group 2 and the twisting direction of the outer layer wire core group 3 are the same.
The inner layer wire core group 1, the middle layer wire core group 2 and the outer layer wire core group 3 are all formed by stranding a plurality of equal-diameter insulating wire cores 6, and the outer portion of the wire core body is coated with an ETFE resin antifriction layer 7. In one embodiment, the insulated wire core 6 includes an inner conductor 13 and a silane grafted cross-linked low density polyethylene insulated layer 14, in particular, the inner conductor 13 is formed by twisting a plurality of tin-plated copper monofilaments, and the diameter of the tin-plated copper monofilaments is 0.02mm to 0.3mm.
The cable core has an outer diameter of 22mm to 28mm. The cable core is sequentially coated with a TPU extrusion inner sheath layer 8, a butyl rubber belt wrapping inner cushion layer 9, a metal wire mixed-woven shielding layer 10, a butyl rubber belt wrapping outer cushion layer 11 and a TPU extrusion outer sheath layer 12. In one embodiment, the metal wire mixed-braiding shielding layer 10 is formed by mutually reversely spirally winding and braiding tinned copper wires and aluminum magnesium wires, wherein the diameters of the tinned copper wires are 0.15mm to 0.32mm, and the diameters of the tinned copper wires are 80% to 90% of the diameters of the aluminum magnesium wires. In one embodiment, the butyl rubber belt wrapping inner cushion layer 9 and the butyl rubber belt wrapping outer cushion layer 11 are both of a one-way spiral lapping and wrapping structure of the butyl rubber belt, and the hinge length of the butyl rubber belt is 0.5 to 4 times of the belt width.
The present utility model has been described in terms of embodiments, and it will be appreciated by those of skill in the art that various changes can be made to the features and embodiments, or equivalents can be substituted, without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a resistant crooked durable formula multicore shielded cable which characterized in that: including inlayer sinle silk group (1), middle level sinle silk group (2) and outer sinle silk group (3) are from interior to exterior through polyethylene packing core (5) interval in proper order around the outside concentric transposition of stainless steel wire center stranded conductor (4) constitute the cable core, inlayer sinle silk group (1 middle level sinle silk group (2) with outer sinle silk group (3) are a plurality of isodiametric insulation sinle silk (6) transposition constitution core body just outside cladding ETFE resin antifriction layer (7) of core body, the outside cladding of cable core has TPU crowded package inner sheath layer (8), butyl rubber area around package inner cushion layer (9), metal wire mixed woven shielding layer (10), butyl rubber area around package outer cushion layer (11) and TPU crowded package outer sheath layer (12) in proper order.
2. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the twisting distance of the inner layer wire core group (1), the twisting distance of the middle layer wire core group (2) and the twisting distance of the outer layer wire core group (3) are sequentially increased, and the twisting distance is 10 to 40 times of the outer diameter of the insulating wire core (6).
3. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the twisting directions of the inner layer wire core group (1), the middle layer wire core group (2) and the outer layer wire core group (3) are the same.
4. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the insulated wire core (6) comprises an inner conductor (13) and a silane grafted crosslinked low-density polyethylene insulating layer (14).
5. The bending resistant durable multi-core shielded cable according to claim 4, wherein: the inner conductor (13) is formed by twisting a plurality of tinned copper monofilaments, and the diameter of each tinned copper monofilament is 0.02mm to 0.3mm.
6. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the cable core has an outer diameter of 22mm to 28mm.
7. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the metal wire mixed-braiding shielding layer (10) is formed by mutually reversely spirally winding and braiding tinned copper wires and aluminum magnesium wires, the wire diameter of the tinned copper wires is 0.15-0.32 mm, and the wire diameter of the tinned copper wires is 80-90% of the wire diameter of the aluminum magnesium wires.
8. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the butyl rubber belt wrapping inner cushion layer (9) and the butyl rubber belt wrapping outer cushion layer (11) are of a one-way spiral lapping and wrapping structure of the butyl rubber belt, and the hinge pitch of the butyl rubber belt is 0.5 to 4 times of the belt width.
9. The bending resistant durable multi-core shielded cable according to claim 1, wherein: and the outer part of the stainless steel wire center stranded wire (4) is coated with an ETFE wrapping layer (15).
10. The bending resistant durable multi-core shielded cable according to claim 1, wherein: the stainless steel wire central stranded wire (4) is formed by a plurality of stainless steel wire bundles with the wire diameters of 0.1mm to 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320748420.2U CN219832232U (en) | 2023-04-07 | 2023-04-07 | Bending-resistant durable multi-core shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320748420.2U CN219832232U (en) | 2023-04-07 | 2023-04-07 | Bending-resistant durable multi-core shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832232U true CN219832232U (en) | 2023-10-13 |
Family
ID=88280971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320748420.2U Active CN219832232U (en) | 2023-04-07 | 2023-04-07 | Bending-resistant durable multi-core shielded cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832232U (en) |
-
2023
- 2023-04-07 CN CN202320748420.2U patent/CN219832232U/en active Active
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