CN112397236A - Mining extrusion-resistant and wear-resistant cable - Google Patents
Mining extrusion-resistant and wear-resistant cable Download PDFInfo
- Publication number
- CN112397236A CN112397236A CN202011085727.6A CN202011085727A CN112397236A CN 112397236 A CN112397236 A CN 112397236A CN 202011085727 A CN202011085727 A CN 202011085727A CN 112397236 A CN112397236 A CN 112397236A
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- Prior art keywords
- extrusion
- cable
- cable body
- rubber
- resistant
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- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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- 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
- H01B7/185—Sheaths comprising internal cavities or channels
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- 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
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- Insulated Conductors (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a mine extrusion-resistant and wear-resistant cable, which belongs to the technical field of cables and comprises a cable body, wherein cable cores are arranged at the middle position inside the cable body at equal intervals by taking the circle center of the cable body as the circle center, a filling layer is extruded inside the cable body outside the cable cores, and an inner sheath layer is extruded inside the cable body outside a metal braided layer. According to the invention, on one hand, the inner side surface of the rubber arc-shaped extrusion block extrudes the air bag to deform the air bag, and on the other hand, the rubber arc-shaped extrusion block is subjected to warm punching to reduce partial longitudinal extrusion force, so that the anti-extrusion effect of the cable body is improved, on the other hand, the rubber annular extrusion block is pushed to slide along the metal wire, and the longitudinal extrusion force on the cable body is changed into transverse sliding force, so that the longitudinal extrusion force on the cable body is reduced again, and the anti-extrusion effect of the cable body is further improved.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a mining extrusion-resistant and wear-resistant cable.
Background
The cable is an electric energy or signal transmission device, usually comprises several or several groups of wires, the mining cable is the short for coal mine cable, the coal mine cable is because the environment of use is complicated, the operating condition is abominable, and move frequently, the life is not long, the area that the gas is gathered is very dangerous again, therefore not only to the cable safety requirement very high.
The fuel, the metal material and the rare earth material required by high-end equipment industry which are frequently used in life are mainly stored underground and need to be mined by constructing a mine; because open-pit mines are extremely rare, most mines need to go deep underground through mines, the underground mining environment is severe, a large amount of illumination is needed, meanwhile, a large amount of mechanical equipment needs to be supplied with power under the mines, and the requirement on cables is huge; the cable is stepped on to mistake often when dim workman of light in the pit, and often the rubble falls down in the well, often leads to the cable protective layer damaged, and cable core fracture and troubleshooting difficulty influence borehole operation to the effect of the wear-resisting anti extrusion force to the cable is paid special attention to.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a mine extrusion-resistant and wear-resistant cable which is good in extrusion-resistant effect of a cable body.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a mining extrusion-resistant wear-resistant cable comprises a cable body, wherein cable cores are arranged at the middle position inside the cable body at equal intervals by taking the circle center of the cable body as the circle center, a filling layer is extruded and wrapped inside the cable body outside the cable cores, a metal braided layer is wrapped inside the cable body outside the filling layer, an inner sheath layer is extruded and wrapped inside the cable body outside the metal braided layer, connecting blocks are extruded and wrapped at equal intervals inside the cable body outside the inner sheath layer, an air bag is bonded between the two connecting blocks, a cavity is formed in the top of the connecting block, rubber annular extrusion blocks are slidably connected inside the cavity, metal wires are uniformly inserted into the rubber annular extrusion blocks by taking the inner sheath layer as the circle center, a slide way is vertically formed in one side of the cavity, and four rubber arc extrusion blocks are slidably connected inside the cable body outside the air bag at equal intervals, and one end of the rubber arc extrusion block is fixed with a sliding block matched with the slideway, one side of the rubber annular extrusion block is arranged in an inclined mode with a narrow outside and a wide inside, a sliding groove is formed in the inclined plane of the rubber annular extrusion block, one end of the sliding block is connected with the sliding groove formed in the inclined plane of the rubber annular extrusion block in a sliding mode, and the outermost sleeve of the cable body outside the rubber arc extrusion block is sleeved with an outer sheath layer.
Preferably, the four rubber arc-shaped extrusion blocks are formed by diffusing and distributing a trumpet-shaped concentric cylinder.
Preferably, the outer side of the cable core is provided with an insulating layer formed by extruding and wrapping insulating rubber.
Preferably, the top of the other side of the cavity is uniformly hinged with a hinge strip.
Preferably, the inner sheath layer and the outer sheath layer are formed by extruding nitrile rubber, chloroprene rubber and ethylene propylene diene monomer rubber.
3. Advantageous effects
(1) When the cable body is extruded, the hinged strip extrudes the rubber arc extrusion block to the center of the cable body, the sliding block moves to the center of the cable body along the slide way, the inner side of the rubber arc extrusion block extrudes the air bag in the process of moving the rubber arc extrusion block to deform the air bag in an extruding way, the rubber arc extrusion block is warm-punched at the same time, partial longitudinal extrusion force is reduced, and therefore the extrusion resistance effect of the cable body is improved, the use is convenient, meanwhile, in the process of moving the sliding block to the center of the cable body along the slide way, the inner part of the sliding block is in sliding connection with the sliding groove on the inclined plane which is narrow at the top and wide at the bottom of the rubber annular extrusion block, so that the rubber annular extrusion block is pushed to slide along the metal wire when the rubber arc extrusion block and the sliding block move to the center of the cable body, and the longitudinal extrusion force caused to the cable body is changed into transverse, therefore, the longitudinal extrusion force on the cable body is reduced again, and the anti-extrusion force effect of the cable body is further improved.
In conclusion, in the process of extruding the cable body, on one hand, the inner side surface of the rubber arc-shaped extrusion block is used for extruding the air bag to enable the air bag to be extruded and deformed, and on the other hand, the rubber arc-shaped extrusion block is heated and punched to reduce partial longitudinal extrusion force, so that the anti-extrusion effect of the cable body is improved, on the other hand, the rubber annular extrusion block is pushed to slide along the metal wire, and the longitudinal extrusion force caused on the cable body is changed into transverse sliding force, so that the longitudinal extrusion force on the cable body is reduced again, and the anti-extrusion effect of the cable body is further improved.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is a schematic cross-sectional internal structure of the present invention.
Reference numerals: 1. a rubber annular extrusion block; 2. a chute; 3. a filling layer; 4. a cable core; 5. a metal braid layer; 6. an inner jacket layer; 7. connecting blocks; 8. a cable body; 9. a metal wire; 10. a rubber arc-shaped extrusion block; 11. an outer jacket layer; 12. a hinge strip; 13. a slideway; 14. an air bag; 15. a slide block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
The mining extrusion-resistant wear-resistant cable shown in fig. 1-2 comprises a cable body 8, cable cores 4 are arranged at the middle position inside the cable body 8 at equal intervals by taking the circle center of the cable body 8 as the circle center, an insulating layer formed by extruding insulating rubber is arranged on the outer side of each cable core 4, a filling layer 3 is extruded inside the cable body 8 on the outer side of each cable core 4, a metal braid layer 5 is wrapped inside the cable body 8 on the outer side of the filling layer 3, an inner sheath layer 6 is extruded inside the cable body 8 on the outer side of the metal braid layer 5, connecting blocks 7 are extruded inside the cable body 8 on the outer side of the inner sheath layer 6 at equal intervals, air bags 14 are bonded between the two connecting blocks 7, a cavity is formed in the top of each connecting block 7, the inside of the cavity is slidably connected with a rubber annular extrusion block 1, metal wires 9 are uniformly inserted into the inner sheath layer 6 on the rubber annular extrusion block 1 by taking, a slideway 13 is vertically arranged on one side of the cavity, a hinge strip 12 is evenly hinged on the top of the other side of the cavity, four rubber arc-shaped extrusion blocks 10 are connected in a sliding way at equal intervals in the cable body 8 outside the air bag 14, and one end of the rubber arc-shaped extrusion block 10 is fixed with a slide block 15 which is matched with the slide way 13, one side of the rubber annular extrusion block 1 is obliquely arranged with a narrow outside and a wide inside, and the inclined plane of the rubber annular extrusion block 1 is provided with a chute 2, one end of the slide block 15 is in sliding connection with the chute 2 arranged on the inclined plane of the rubber annular extrusion block 1, the outermost sleeve of the cable body 8 outside the rubber arc extrusion block 10 is sleeved with an outer sheath layer 11, the inner sheath layer 6 and the outer sheath layer 11 are formed by extruding nitrile rubber, chloroprene rubber and ethylene propylene diene monomer, and the four rubber arc extrusion blocks 10 are formed by diffusion distribution of a horn-shaped concentric cylinder.
The concrete action principle of the mining extrusion-resistant wear-resistant cable is as follows:
in the using process of the cable body 8, when the cable body 8 is extruded, the hinged strip 12 extrudes the rubber arc-shaped extrusion block 10 to the center of the cable body 8, the sliding block 15 moves to the center of the cable body 8 along the slide way 13, the inner side of the rubber arc-shaped extrusion block 10 extrudes the air bag 14 in the moving process of the rubber arc-shaped extrusion block 10 to deform the rubber arc-shaped extrusion block during extrusion, the rubber arc-shaped extrusion block 10 is warm-punched simultaneously, partial longitudinal extrusion force is reduced, and therefore the extrusion resistance effect of the cable body 8 is improved, the use is convenient, meanwhile, in the moving process of the sliding block 15 to the center of the cable body 8 along the slide way 13, the inside of the sliding block 15 is in sliding connection with the sliding groove 2 on the inclined plane which is narrow on the upper part and wide on the lower part of the rubber annular extrusion block 1, so as to push the rubber arc-shaped extrusion block 1 to slide along the metal wire 9 when the rubber arc-shaped extrusion block 10, and changes the longitudinal extrusion force caused to the cable body 8 into the horizontal sliding force, thereby reducing the longitudinal extrusion force to the cable body 8 again, further improving the effect of the extrusion resistance force of the cable body 8, and simultaneously, the articulated strip 12 can make the extrusion force act on the rubber arc extrusion blocks 10 directly at the first time when the cable body 8 is extruded, thereby the first time the cable body 8 is unloaded, and the effect of the extrusion resistance force of the cable body 8 is improved, as shown in figure 1, the four rubber arc extrusion blocks 10 are formed by the diffusion distribution of a concentric cylinder, when the cable body 8 is extruded, the four rubber arc extrusion blocks 10 are converged to the position of the center of the circle of the cable body 8, and finally the concentric cylinder structure is combined, the inner part of the inner sheath layer 6 is sealed, the protection to the cable core 4 is improved, and the service life of the whole cable body 8 is prolonged, is convenient to use.
From the above, in the process of extruding the cable body 8, on one hand, the inner side of the rubber arc-shaped extrusion block 10 extrudes the air bag 14 to deform the air bag, and simultaneously warms and punches the rubber arc-shaped extrusion block 10 to reduce partial longitudinal extrusion force, so that the anti-extrusion effect of the cable body 8 is improved, and on the other hand, the rubber annular extrusion block 1 is pushed to slide along the metal wire 9, and the longitudinal extrusion force caused on the cable body 8 is changed into transverse sliding force, so that the longitudinal extrusion force on the cable body 8 is reduced again, and the anti-extrusion effect of the cable body 8 is further improved.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. The mining extrusion-resistant wear-resistant cable is characterized by comprising a cable body (8), wherein cable cores (4) are arranged at the middle position inside the cable body (8) at equal intervals by taking the circle center of the cable body (8) as the circle center, a filling layer (3) is extruded inside the cable body (8) outside the cable cores (4), a metal woven layer (5) is wrapped inside the cable body (8) outside the filling layer (3), an inner sheath layer (6) is extruded inside the cable body (8) outside the metal woven layer (5), connecting blocks (7) are extruded inside the cable body (8) outside the inner sheath layer (6) at equal intervals, air bags (14) are bonded between the two connecting blocks (7), a cavity is formed in the top of each connecting block (7), and the inside of the cavity is slidably connected with a rubber annular extrusion block (1), evenly alternate on rubber annular extrusion piece (1) with sheath layer (6) as the centre of a circle has wire (9), and slide (13) have been seted up to one side of cavity vertically, cable body (8) the inside equidistant sliding connection in gasbag (14) outside has four rubber arc extrusion pieces (10), and the one end of rubber arc extrusion piece (10) is fixed with slider (15) of mutually supporting with slide (13), the one side of rubber annular extrusion piece (1) sets up for outer narrow wide slope in, and has seted up spout (2) on the inclined plane of rubber annular extrusion piece (1), spout (2) sliding connection of seting up on the inclined plane of the one end of slider (15) and rubber annular extrusion piece (1), the cable body (8) the outermost snare in the rubber arc extrusion piece (10) outside is equipped with oversheath layer (11).
2. The mining extrusion-resistant and abrasion-resistant cable as claimed in claim 1, wherein the four rubber arc-shaped extrusion blocks 10 are formed by diffusing and distributing a horn-shaped concentric cylinder.
3. The mining extrusion-resistant and wear-resistant cable as claimed in claim 1, wherein an insulating layer extruded by insulating rubber is arranged on the outer side of the cable core (4).
4. The mining extrusion-resistant and abrasion-resistant cable as claimed in claim 1, wherein a hinge strip (12) is uniformly hinged to the top of the other side of the cavity.
5. The mining extrusion-resistant and wear-resistant cable as claimed in claim 1, wherein the inner sheath layer (6) and the outer sheath layer (11) are extruded from nitrile rubber, chloroprene rubber and ethylene propylene diene monomer rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011085727.6A CN112397236B (en) | 2020-10-12 | 2020-10-12 | Mining extrusion-resistant and wear-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011085727.6A CN112397236B (en) | 2020-10-12 | 2020-10-12 | Mining extrusion-resistant and wear-resistant cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112397236A true CN112397236A (en) | 2021-02-23 |
| CN112397236B CN112397236B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011085727.6A Active CN112397236B (en) | 2020-10-12 | 2020-10-12 | Mining extrusion-resistant and wear-resistant cable |
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| Country | Link |
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| CN (1) | CN112397236B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150041177A1 (en) * | 2013-08-06 | 2015-02-12 | Hitachi Metals, Ltd. | Optical-electric composite cable |
| US9997277B1 (en) * | 2017-06-30 | 2018-06-12 | Chongqing Yufeng Xinxin Wire & Cable Technology Co., Ltd. | Indefectible cable and manufacturing process thereof |
| CN108231250A (en) * | 2017-12-28 | 2018-06-29 | 灏驰（上海）互联网科技有限公司 | Can opposite side expand anti-interference computer cable |
| CN108335796A (en) * | 2018-01-19 | 2018-07-27 | 广州缆讯科技有限公司 | A kind of stretch-proof common wiring using LINE-X coatings |
| CN108376582A (en) * | 2018-04-25 | 2018-08-07 | 福建通宇电缆有限公司 | A kind of adaptive cable |
| CN110211738A (en) * | 2019-06-28 | 2019-09-06 | 河北弘飞线缆集团有限公司 | A kind of novel high reliability cable |
| CN209625861U (en) * | 2019-02-22 | 2019-11-12 | 淮南文峰航天电缆有限公司 | A kind of cloud floating mooring photoelectric comprehensive transmission cable |
| CN110600176A (en) * | 2019-08-22 | 2019-12-20 | 惠安港帛自动化设备开发有限公司 | Double-layer insulating layer wire capable of preventing ignition and provided with spiral ring sliding sleeve for arc extinguishing and interception |
| CN211016608U (en) * | 2020-01-06 | 2020-07-14 | 济南圣通电力线缆有限公司 | Mining cable shocks resistance |
| CN211507152U (en) * | 2020-01-13 | 2020-09-15 | 云南滇缆实业有限责任公司 | Cable with strong pressure resistance |
| CN211578428U (en) * | 2020-03-28 | 2020-09-25 | 安徽华电线缆集团有限公司 | Anti-torsion cable |
| CN211628727U (en) * | 2019-12-18 | 2020-10-02 | 杭州燕青科技有限公司 | Antiwind polyvinyl chloride sheath patchcord |
-
2020
- 2020-10-12 CN CN202011085727.6A patent/CN112397236B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150041177A1 (en) * | 2013-08-06 | 2015-02-12 | Hitachi Metals, Ltd. | Optical-electric composite cable |
| US9997277B1 (en) * | 2017-06-30 | 2018-06-12 | Chongqing Yufeng Xinxin Wire & Cable Technology Co., Ltd. | Indefectible cable and manufacturing process thereof |
| CN108231250A (en) * | 2017-12-28 | 2018-06-29 | 灏驰（上海）互联网科技有限公司 | Can opposite side expand anti-interference computer cable |
| CN108335796A (en) * | 2018-01-19 | 2018-07-27 | 广州缆讯科技有限公司 | A kind of stretch-proof common wiring using LINE-X coatings |
| CN108376582A (en) * | 2018-04-25 | 2018-08-07 | 福建通宇电缆有限公司 | A kind of adaptive cable |
| CN209625861U (en) * | 2019-02-22 | 2019-11-12 | 淮南文峰航天电缆有限公司 | A kind of cloud floating mooring photoelectric comprehensive transmission cable |
| CN110211738A (en) * | 2019-06-28 | 2019-09-06 | 河北弘飞线缆集团有限公司 | A kind of novel high reliability cable |
| CN110600176A (en) * | 2019-08-22 | 2019-12-20 | 惠安港帛自动化设备开发有限公司 | Double-layer insulating layer wire capable of preventing ignition and provided with spiral ring sliding sleeve for arc extinguishing and interception |
| CN211628727U (en) * | 2019-12-18 | 2020-10-02 | 杭州燕青科技有限公司 | Antiwind polyvinyl chloride sheath patchcord |
| CN211016608U (en) * | 2020-01-06 | 2020-07-14 | 济南圣通电力线缆有限公司 | Mining cable shocks resistance |
| CN211507152U (en) * | 2020-01-13 | 2020-09-15 | 云南滇缆实业有限责任公司 | Cable with strong pressure resistance |
| CN211578428U (en) * | 2020-03-28 | 2020-09-25 | 安徽华电线缆集团有限公司 | Anti-torsion cable |
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| Publication number | Publication date |
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| CN112397236B (en) | 2022-03-08 |
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