CN112820456B - High anti-interference festoon cable - Google Patents
High anti-interference festoon cable Download PDFInfo
- Publication number
- CN112820456B CN112820456B CN201911127649.9A CN201911127649A CN112820456B CN 112820456 B CN112820456 B CN 112820456B CN 201911127649 A CN201911127649 A CN 201911127649A CN 112820456 B CN112820456 B CN 112820456B
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- Prior art keywords
- layer
- cable
- sheath
- interference
- rubber layer
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- 241000842962 Apoda limacodes Species 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000004743 Polypropylene Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 14
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 47
- 238000005452 bending Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
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
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
-
- 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
- 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
- H01B7/189—Radial force absorbing layers providing a cushioning effect
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses a highly anti-interference festoon cable which comprises an outer sheath and an inner sheath, wherein a rubber layer is adhered to the inner surface of the outer sheath, a metal coating block is arranged on the outer surface of the rubber layer, steel cables are symmetrically embedded in two sides of the inside of the rubber layer, an outer metal shielding layer is wrapped on the outer surface of the inner sheath, an insulating layer is wrapped on the outer surface of the outer metal shielding layer, a fiber core is embedded in the inner sheath, the lower surface of a cushion block is elastically connected with a pressing block through an adhered damping ball, and a conductor is arranged on the inner side of the pressing block. In the invention, the festoon cable adopts a structure of an inner and an outer double-layer metal shielding layers, so that double-layer anti-interference protection effect can be realized on a fiber core in the festoon cable, an inner and outer layered independent protection effect is realized, meanwhile, the metal shielding layers adopt a structural design of a three-layer twisted-pair structure metal wire, a maximum blocking effect is further realized on an external electromagnetic interference signal, and the use safety of the festoon cable is ensured.
Description
Technical Field
The invention relates to the technical field of festoon cables, in particular to a high-interference-resistance festoon cable.
Background
The cable for supplying power to the equipment and transmitting signal instructions is called a towing cable, and can be used in places with limited space or places with extremely high requirements on bending because the towing cable can be folded relatively, and the cable is generally softer and bending-resistant and has wide application range.
However, in the conventional anti-interference protection measures of the trailing cable, the anti-interference protection is usually performed only by adopting a single-layer shielding layer structure, and due to the fact that the frequency of external electromagnetic interference models is different, the shielding layer of the single-layer structure cannot comprehensively block electromagnetic interference signals, so that the trailing cable is easily affected by interference, and the transmission stability of the trailing cable to data information is further reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-interference-resistance festoon cable.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high anti-interference drags order cable, includes oversheath and inner sheath, the internal surface paste of oversheath has the rubber layer, the surface on rubber layer is provided with the metal and scribbles the piece, the inside bilateral symmetry on rubber layer inlays and is equipped with the cable wire, the surface parcel of inner sheath has outer metal shielding layer, and the surface parcel of outer metal shielding layer has the insulating layer, the inside of inner sheath is inlayed and is equipped with the fibre core, the internal surface of fibre core is provided with interior metal shielding layer, and the internal surface of interior metal shielding layer is provided with the cushion, the lower surface of cushion is through the shock attenuation ball and the briquetting elastic connection of pasting, and the inboard of briquetting is provided with the conductor, the inside center department of inner sheath inlays and is equipped with central reinforcement core.
The following steps are further described as the technical scheme:
the steel cables are arranged in two groups, three steel cables are arranged in each group, and the steel cables in each group are hinged to each other through steel wire strips.
As a further description of the above technical solution:
the rubber layer is of a three-section structure, the middle end of the rubber layer is of a rectangular structure, and the two ends of the rubber layer are of semicircular smooth structures.
As a further description of the above technical solution:
the outer metal shielding layer and the inner metal shielding layer are both composed of metal wires, three layers of metal wires are arranged, and each layer of metal wire is of a double-stranded structure.
As a further description of the above technical solution:
the fiber cores are four in number, and the four fiber cores are distributed in an annular and equal-angle structure.
As a further description of the above technical solution:
six cushion blocks are arranged, the six cushion blocks are distributed in an annular and equal-angle structure, and the outside diameters of the six cushion blocks are larger than the inside diameters.
As a further description of the above technical solution:
the outer surface of the conductor is wrapped with a polypropylene protective layer.
As a further description of the above technical solution:
the lower surface of the pressing block is provided with a groove of an arc-shaped structure, and the radian of the groove is equal to that of the polypropylene protective layer.
Advantageous effects
The invention provides a highly anti-interference festoon cable. The method has the following beneficial effects:
(1): this drag and make cable adopts the structural design of inside and outside double-deck metallic shield layer, can play double-deck anti interference protection's effect to dragging the fibre core conductor in the cable, realizes the independent protection effect of inside and outside layer-stepping, and metallic shield layer adopts the structural design of two pair of formula structure wires of three-layer simultaneously, and the shielding area on reinforcing metallic shield layer that can be further plays the maximize to external electromagnetic interference signal and blocks the effect, ensures to drag the safe in utilization of making the cable.
(2): this drag the rubber layer that makes the cable adopt the syllogic structure, traditional cylindric cable construction has been avoided, can reduce the crooked radian of cable when dragging the messenger's cable atress, and then reduce and can satisfy the crooked coiling operation of dragging the messenger's cable with less crooked radian, the elasticity shock attenuation effect of cooperation shock attenuation ball simultaneously, can be once more to dragging the crooked extrusion force that makes the cable receive and play the effect of buffer protection, prevent to drag the messenger's cable and take place the flexural deformation or even cracked condition, the toughness strength who drags the messenger's cable has been improved.
Drawings
Fig. 1 is a schematic overall cross-sectional structure diagram of a highly interference-resistant towing cable according to the present invention;
FIG. 2 is a schematic cross-sectional view of a conductor according to the present invention;
FIG. 3 is a schematic view of a partial structure of the spacer of the present invention;
fig. 4 is a schematic view of the internal structure of the metal shielding layer according to the present invention.
Illustration of the drawings:
1. a steel wire strip; 2. a steel cord; 3. a rubber layer; 4. an outer sheath; 5. coating metal blocks; 6. an insulating layer; 7. an outer metal shielding layer; 8. an inner sheath; 9. a fiber core; 91. an inner metal shield layer; 911. a metal wire; 92. cushion blocks; 921. a shock absorbing ball; 922. briquetting; 93. a polypropylene protective layer; 94. a conductor; 10. a central reinforcing core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a highly anti-interference drag cable comprises an outer sheath 4 and an inner sheath 8, a rubber layer 3 is pasted on the inner surface of the outer sheath 4, a metal coating block 5 is arranged on the outer surface of the rubber layer 3, a steel cable 2 is symmetrically embedded in two sides of the inside of the rubber layer 3, an outer metal shielding layer 7 is wrapped on the outer surface of the inner sheath 8, an insulating layer 6 is wrapped on the outer surface of the outer metal shielding layer 7, a fiber core 9 is embedded in the inside of the inner sheath 8, an inner metal shielding layer 91 is arranged on the inner surface of the fiber core 9, a cushion block 92 is arranged on the inner surface of the inner metal shielding layer 91, the lower surface of the cushion block 92 is elastically connected with a pressing block 922 through a pasted damping ball 921, a conductor 94 is arranged on the inner side of the pressing block 922, and a central reinforcing core 10 is embedded in the center of the inside of the inner sheath 8.
The cable wire 2 is provided with two sets ofly altogether, and every group cable wire 2 is provided with threely altogether, and all articulate each other through steel wire strip 1 between every group cable wire 2, two sets of cable wires 2 adopt bilateral symmetry structure to distribute, and the inside of embedding rubber layer 3, can increase the whole weight that drags the order cable on the one hand, prevent to drag the phenomenon that the order cable rocked about dragging the in-process to take place, on the other hand also can keep dragging the holistic equilibrium of order cable, ensure to drag the both ends arcwall face that makes the cable and can be in the horizontal symmetry state, thereby be convenient for drag the processing that drags the order cable.
The absorption fiber cores 9 are provided with four fiber cores, the four fiber cores 9 are distributed in an annular and equal-angle structure, the cushion blocks 92 are provided with six fiber cores, the six cushion blocks 92 are distributed in an annular and equal-angle structure, the outer diameters of the six cushion blocks 92 are larger than the inner diameters, the outer surface of the conductor 94 is wrapped with the polypropylene sheath 93, the lower surface of the pressing block 922 is provided with a groove of an arc structure, the radian of the groove is equal to that of the polypropylene sheath 93, the position of the pressing block 922 can be fixed through the arc structure distribution of the cushion blocks 92, so that the pressing block 922 can uniformly clamp the outer surface of the conductor 94, and when the conductor 94 is extruded by external force, the elastic effect of the groove contact surface on the surface of the pressing block 922 and the damping ball 921 is matched, the position stability of the conductor 94 is further protected, and the overall bending degree of the cable is reduced, the condition that the cable is damaged by dragging is avoided.
The working principle is as follows: during the use, it keeps flat to drag the order cable, make 3 both sides arc ends in the horizontal symmetry mode on rubber layer, the arcwall face contacts with drive mechanism, drag the processing of dragging the order cable, make two sets of symmetrical structure's cable wire 2 can play the guard action of strengthening balance to dragging the order cable, when dragging the order cable atress crooked, cushion 92 can receive the pressure effect and extrude damping ball 921 downwards and make its compression deformation, the contact extrusion of cooperation briquetting 922 plays the effect of buffer protection to conductor 94, prevent that conductor 94 from taking place excessive bending deformation's phenomenon, and outer metallic shield 7 and interior metallic shield 91 can carry out the comprehensive effect that blocks of bilayer to external electromagnetic interference signal, the reduction of maximize drags the interference influence that the order cable received, and then make this drag the order cable complete use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The highly anti-interference towing cable comprises an outer sheath (4) and an inner sheath (8), and is characterized in that a rubber layer (3) is pasted on the inner surface of the outer sheath (4), metal coating blocks (5) are arranged on the outer surface of the rubber layer (3), steel cables (2) are symmetrically embedded in two sides of the inner portion of the rubber layer (3), two groups of steel cables (2) are arranged, three steel cables (2) are arranged in each group, the steel cables (2) in each group are hinged with each other through steel wire strips (1), an outer metal shielding layer (7) wraps the outer surface of the inner sheath (8), an insulating layer (6) wraps the outer surface of the outer metal shielding layer (7), a fiber core (9) is embedded in the inner portion of the inner sheath (8), an inner metal shielding layer (91) is arranged on the inner surface of the fiber core (9), and cushion blocks (92) are arranged on the inner surface of the inner metal shielding layer (91), the lower surface of cushion (92) is through damping ball (921) and briquetting (922) elastic connection of pasting, and the inboard of briquetting (922) is provided with conductor (94), the inside center department of inner sheath (8) inlays and is equipped with central reinforcing core (10).
2. The towing cable with high interference resistance according to claim 1, wherein the rubber layer (3) has a three-section structure, wherein the end of the rubber layer has a rectangular structure and the two ends of the rubber layer have a semicircular smooth structure.
3. The highly interference resistant towering cable of claim 1, wherein said outer metallic shielding layer (7) and inner metallic shielding layer (91) are both made of metal wires (911), and the metal wires (911) are provided in three layers, and each layer of metal wires (911) is a twisted pair structure.
4. The highly interference-resistant towing cable according to claim 1, wherein the number of the fiber cores (9) is four, and the four fiber cores (9) are distributed in an annular and equiangular structure.
5. The highly interference-resistant towing cable according to claim 1, wherein the number of the pad blocks (92) is six, the six pad blocks (92) are distributed in an annular and equal-angle structure, and the outer diameters of the six pad blocks (92) are all larger than the inner diameter.
6. The highly tamper resistant streamer cable of claim 1, wherein the outer surface of said conductors (94) is covered with a polypropylene jacket (93).
7. The festoon cable with high interference resistance according to any one of claims 1 or 6, wherein the lower surface of the pressing block (922) is provided with a groove with an arc structure, and the radian of the groove is equal to that of the polypropylene sheath (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127649.9A CN112820456B (en) | 2019-11-18 | 2019-11-18 | High anti-interference festoon cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127649.9A CN112820456B (en) | 2019-11-18 | 2019-11-18 | High anti-interference festoon cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112820456A CN112820456A (en) | 2021-05-18 |
| CN112820456B true CN112820456B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911127649.9A Active CN112820456B (en) | 2019-11-18 | 2019-11-18 | High anti-interference festoon cable |
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| Country | Link |
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| CN (1) | CN112820456B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522889U (en) * | 2009-11-26 | 2010-07-07 | 天津亿鑫通科技股份有限公司 | Data bus cable |
| CN203870306U (en) * | 2014-06-05 | 2014-10-08 | 德柔电缆（上海）有限公司 | Festoon cable for crane |
| CN204558086U (en) * | 2015-05-14 | 2015-08-12 | 深圳市奔达康电缆股份有限公司 | A kind of high flame-resistant insulation flat cable |
| CN205028686U (en) * | 2015-10-10 | 2016-02-10 | 深圳市申朗讯电气电缆有限公司 | Adopt nanocomposite's cable |
| CN205984342U (en) * | 2016-07-01 | 2017-02-22 | 上海谦恒电气有限公司 | Tensile resistance to compression warp resistance environmental protection flat cable |
| CN206116080U (en) * | 2016-09-28 | 2017-04-19 | 上海贝恩科电缆有限公司 | There is not resistant anti -interference antitorque bent protection against rodents termite resistance elevator retinue cable of waiting of steamed fire -retardant environmental protection |
| CN208507271U (en) * | 2018-06-15 | 2019-02-15 | 扬州市金阳光电缆有限公司 | A kind of anti-oxidant special cable for wind-power electricity generation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU81369U1 (en) * | 2008-10-13 | 2009-03-10 | Открытое акционерное общество "Севкабель" (ОАО "Севкабель") | COAXIAL CABLE FOR TRANSMISSION AND DISTRIBUTION OF ELECTRIC ENERGY |
-
2019
- 2019-11-18 CN CN201911127649.9A patent/CN112820456B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522889U (en) * | 2009-11-26 | 2010-07-07 | 天津亿鑫通科技股份有限公司 | Data bus cable |
| CN203870306U (en) * | 2014-06-05 | 2014-10-08 | 德柔电缆（上海）有限公司 | Festoon cable for crane |
| CN204558086U (en) * | 2015-05-14 | 2015-08-12 | 深圳市奔达康电缆股份有限公司 | A kind of high flame-resistant insulation flat cable |
| CN205028686U (en) * | 2015-10-10 | 2016-02-10 | 深圳市申朗讯电气电缆有限公司 | Adopt nanocomposite's cable |
| CN205984342U (en) * | 2016-07-01 | 2017-02-22 | 上海谦恒电气有限公司 | Tensile resistance to compression warp resistance environmental protection flat cable |
| CN206116080U (en) * | 2016-09-28 | 2017-04-19 | 上海贝恩科电缆有限公司 | There is not resistant anti -interference antitorque bent protection against rodents termite resistance elevator retinue cable of waiting of steamed fire -retardant environmental protection |
| CN208507271U (en) * | 2018-06-15 | 2019-02-15 | 扬州市金阳光电缆有限公司 | A kind of anti-oxidant special cable for wind-power electricity generation |
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| Publication number | Publication date |
|---|---|
| CN112820456A (en) | 2021-05-18 |
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Effective date of registration: 20240304 Address after: No. 5825, Wujiangtai Village, Bazhou Town, Bazhou City, Langfang City, Hebei Province, 065700 Patentee after: Wu Lianqi Country or region after: China Address before: 201508 area a, building 10, 1888 Weiqing East Road, Shanyang Town, Jinshan District, Shanghai Patentee before: Multi stable mobile power supply system technology development (Shanghai) Co.,Ltd. Country or region before: China |