CN109461538A - A kind of open coal mine high pressure towing soft rubber cable production method - Google Patents
A kind of open coal mine high pressure towing soft rubber cable production method Download PDFInfo
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- CN109461538A CN109461538A CN201811010944.1A CN201811010944A CN109461538A CN 109461538 A CN109461538 A CN 109461538A CN 201811010944 A CN201811010944 A CN 201811010944A CN 109461538 A CN109461538 A CN 109461538A
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- conductor
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- 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- 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
- H01B13/06—Insulating 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
-
- 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
- H01B13/222—Sheathing; Armouring; Screening; Applying other protective layers by electro-plating
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- Manufacturing & Machinery (AREA)
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Abstract
The present invention provides a kind of open coal mine high pressure towing soft rubber cable production method, comprising the following steps: is stranding into power core conductor, earth conductor and earthing detection cable core conductor respectively；Internal shield, insulating layer and semiconductives external shielding layer are extruded on the power core conductor surface for being wound with semi-conductive tape using three-layer co-extruded technology；Wrapped semi-conductive tape and metal/fibrage shielded processing are carried out to the power core conductor for being extruded with internal shield, insulating layer and semiconductives external shielding layer；Extraordinary polypropylene material is extruded in earthing detection cable core conductor；It is stranding into cable core, cable core is tightened by braiding enhancement layer, is fixed；Sheath is extruded on the cable core reinforced using high-temperature-resistant high nylon yarn.The cable that the present invention makes overcomes the easily broken disadvantage of earthing detection core, improves the performance of wear-resisting, the corrosion-resistant and anti-towing of cable, increases the safe application performance of cable, reduce production cost.
Description
Technical field
The present invention relates to soft rubber cable manufacture technology field, specifically a kind of open coal mine pulls rubber set with high pressure
Flexible cable production method.
Background technique
Open coal mine is since work surface is larger, in order to improve the production efficiency, exploitation when, generally using high voltage,
Powerful heavy equipment, therefore general mobile flexible cable is unable to satisfy the needs of such equipment.Due to by high voltage, big function
The limitation of common power shovel of rate large-scale engineering machinery equipment such as open coal mine, bagger, bucket machine etc., such sets cable in stock
It is dilatory in construction ground for a long time to need, or even needs to be subjected to rolling for equipment, and the mobile rubber cable core of existing high pressure is easy to beat
Twist off core, single-layer sheath layer does not have reinforcement structure, be easy drum, service life is generally shorter, increases the use cost of user；
Secondly, existing mining towing removal cable, since cable use environment is more severe, the insulated wire cores of cable are dragged in long-term
It draws, roll and be easy to appear insulation harm in use, earthing detection core primarily serves the effect of signal monitoring, due to earthing detection
Core is the smallest conducting wire present in cable, and mechanical pressure brought by tension, torsion, extruding and shearing owns cable
Component can all have adverse effect on, and among these, the pressure that earthing detection core is born is particularly acute, and easily leads to ground connection inspection
The fracture of survey line core, insulation appearance is damaged, and the core if earthing detection core breaks, breakage occurs in insulation, when cable master core damages
It can not timely be fed back in supervision equipment when hurting, monitoring protective effect will be lost, and equipment is caused to stop operating, or even cause
The damage of equipment, it is also possible to cause personal injury, seriously affect the use of user, very big loss is caused to user.And
Such cable grounding detects the short problem of the easily broken core of core, service life, is always the difficulty for perplexing mine industry and line cable industry
Topic.
Summary of the invention
The purpose of the invention is to study a kind of disadvantage for overcoming earthing detection core easily broken, increase cable resistance to bend(ing)
Can, resistance to frequent movement and frequent take-up unwrapping wire improve the performance of wear-resisting, the corrosion-resistant and anti-towing of cable, increase the peace of cable
Performance is entirely used, the open coal mine for reducing production cost pulls soft rubber cable production method with high pressure.
The present invention provides a kind of open coal mine high pressures to pull soft rubber cable manufacturing method, comprising the following steps:
A, copper material is subjected to wire drawing, annealing, is stranding into power core conductor, earth conductor and earthing detection core respectively and leads
Body；
B, internal shield, insulating layer and semiconductives external shielding layer are extruded in using three-layer co-extruded technology and are wound with semi-conductive tape
Power core conductor surface on；
C, wrapped semiconductive is carried out to the power core conductor for being extruded with internal shield, insulating layer and semiconductives external shielding layer
Band and metal/fibrage shielded processing；
D, extraordinary polypropylene material is extruded in earthing detection cable core conductor；
E, by more be extruded with internal shield, insulating layer and semiconductives external shielding layer and through wrapped semi-conductive tape and metal/
Fibrage shielded finished power core conductor and the earthing detection cable core conductor and two for being extruded with extraordinary polypropylene material
Piece-root grafting earthed conductor is stranding into cable core, tightens cable core by braiding enhancement layer, fixes；
F, oversheath is extruded on the cable core reinforced using high-temperature-resistant high nylon yarn.
The earth conductor is two, and earth conductor is using tin plating annealed copper conductor, tin plating annealed copper conductor
The diameter range of monofilament is 0.1~0.4mm, and the earthing detection conductor diameter is 4.4~8.4mm.The earthing detection line
Core insulation layer is extraordinary polypropylene material, and the earthing detection core thickness of insulating layer is 1.2~1.6mm.It is described extraordinary poly-
Propylene material melt index is 5.0~15.0g/10min, A120The Vicat softening point that method measures is 130~150 DEG C, 0.45MPa
Lower heat distortion temperature is 90~110 DEG C, and tensile strength is 25~30MPa, and 100% stretching strength is 18~23MPa.The braiding
Enhancement layer is woven using high-temperature-resistant high nylon yarn by high-speed knitter, the high-temperature-resistant high nylon yarn filament diameter
Range is 0.1~0.3mm.The oversheath is CPE rubber, long-term -40~65 DEG C of the heatproof of CPE rubber energy, the CPE rubber
Glue anti-tensile minimum value is 18MPa, and tear strength minimum value is 8N/mm.
A kind of open coal mine provided by the invention pulls soft rubber cable manufacturing method with high pressure, has below beneficial to effect
Fruit:
1, more annealing tin-coated copper single lines are fabricated to annealing tin-coated copper power wire core using twisted technology in the same direction by the present invention
Conductor, earthing detection conductor and earth conductor, enhance the softness of power core conductor, earthing detection conductor and earth conductor
Property, antitorque resistance to bend(ing).
2, the present invention uses three-layer co-extruded technology, and internal shield, power wire core insulating layer, semiconductives external shielding layer is primary
Property squeezes out and vulcanizes, and considerably reduces energy consumption, and saved a large amount of manpower, reduces production cost.
3, high-temperature-resistant high nylon yarn is fabricated to enhancement layer using knitting skill by the present invention, increases open coal mine height
The intensity of pressure towing soft rubber cable, improves flexibility, when by bending and stretching action, most of active force is acted on
On high-temperature-resistant high nylon yarn, copper conductor stress will be reduced, and improve the anti-of open coal mine high pressure towing soft rubber cable
Stretch capability and bending resistance.
4, extraordinary polypropylene material is fabricated to earthing detection core insulating layer using the method extruded by the present invention, due to poly-
Propylene material tensile strength is very big and surface is very smooth, to improve the intensity and and power wire core of earthing detection core
Between Relative sliding performance, reduce the resistance that is subject in the frequent moving process of cable, make earthing detection core by tension,
Torsion squeezes and obtains buffering without easily broken core when shearing brought mechanical pressure.
5, annealed copper single line and fiber are fabricated to power wire core metal screen layer using mixed weaving technology by the present invention, are mentioned
The high flexibility of shielded layer, is not likely to produce single line fracture of wire phenomenon.
6, the present invention heat-resisting is partly led using making between power wire core insulation screen and metal screen layer around packet technology
Body nylon shields belt, prevents the single line fracture of wire Damage to insulation layer of the metal screen layer of power wire core, improves insulation screen
Slip property between metal screen layer.
7, the present invention is fire-retardant by high-intensitive high anti-tear resistance to -40~65 DEG C using the oversheath of continuous vulcanization technology production
CPE rubber extrudes, and the high-temperature-resistant high nylon yarn enhancement layer for intersecting uniform weave is equipped between cable core and oversheath, because
Filling is not added in cabling process, cable core side gap can fill rounding by sheath sizing material when extruding oversheath, weave enhancement layer meeting
It being embedded in oversheath, it is ensured that cable has preferable tear resistance and anti-dragging performance when in use, meanwhile, also preferably keep away
Exempt from the situation that cable cover(ing) plays drum to occur, enhancing open coal mine pulls the overall mechanical properties of soft rubber cable with high pressure.
Detailed description of the invention
Fig. 1 is a kind of construction of cable signal of open coal mine high pressure towing soft rubber cable manufacturing method production of the present invention
Figure.
Figure label respectively indicates, 1- power core conductor, 2- earth conductor, 3- semi-conductive tape, 4- internal shield, and 5- is dynamic
Line of force core insulation layer, 6- semiconductives external shielding layer, 7- metal screen layer, 8- semiconductive bedding core, 9- earthing detection conductor, 10- connect
Ground detection line core insulation layer, 11- weave enhancement layer, 12- oversheath.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
The drawings and the specific embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment party described herein
Formula is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the present invention provides a kind of open coal mine high pressures to pull soft rubber cable manufacturing method.Including with
Lower step:
A, copper material is subjected to wire drawing, annealing, is stranding into power core conductor, earth conductor and earthing detection core respectively and leads
Body；
B, internal shield, insulating layer and semiconductives external shielding layer are extruded in using three-layer co-extruded technology and are wound with semi-conductive tape
Power core conductor surface on；
C, wrapped semiconductive is carried out to the power core conductor for being extruded with internal shield, insulating layer and semiconductives external shielding layer
Band and metal/fibrage shielded processing；
D, extraordinary polypropylene material is extruded in earthing detection cable core conductor；
E, by more be extruded with internal shield, insulating layer and semiconductives external shielding layer and through wrapped semi-conductive tape and metal/
Fibrage shielded finished power core conductor and the earthing detection cable core conductor and two for being extruded with extraordinary polypropylene material
Piece-root grafting earthed conductor is stranding into cable core, tightens cable core by braiding enhancement layer, fixes；
F, oversheath is extruded on the cable core reinforced using high-temperature-resistant high nylon yarn.
In the present embodiment, earth conductor is two, and for earth conductor using tin plating annealed copper conductor, tin plating annealing is soft
The diameter range of copper conductor monofilament is 0.1~0.4mm, and earthing detection conductor diameter is 4.4~8.4mm.Earthing detection core is exhausted
Edge layer is extraordinary polypropylene material, and earthing detection core thickness of insulating layer is 1.2~1.6mm.Extraordinary polypropylene material melting refers to
Number is 5.0~15.0g/10min, A120The Vicat softening point that method measures is 130~150 DEG C, and heat distortion temperature is under 0.45MPa
90~110 DEG C, tensile strength is 25~30MPa, and 100% stretching strength is 18~23MPa.It is high using high temperature resistant to weave enhancement layer
Strong nylon yarn is woven by high-speed knitter, and high-temperature-resistant high nylon yarn filament diameter range is 0.1~0.3mm.Outer shield
Set is CPE rubber, and CPE rubber can -40~65 DEG C of heatproof, CPE rubber anti-tensile minimum value be for a long time 18MPa, and tear strength is minimum
Value is 8N/mm.
In the present embodiment, three-layer co-extruded technology is conventional three-layer co-extruded technical method.
Claims (6)
1. a kind of open coal mine pulls soft rubber cable production method with high pressure, which comprises the steps of:
A, copper material is subjected to wire drawing, annealing, is stranding into power core conductor, earth conductor and earthing detection cable core conductor respectively；
B, internal shield, insulating layer and semiconductives external shielding layer are extruded in using three-layer co-extruded technology and are wound with the dynamic of semi-conductive tape
On line of force core conductor surface；
C, to the power core conductor for being extruded with internal shield, insulating layer and semiconductives external shielding layer carry out wrapped semi-conductive tape and
Metal/fibrage shielded processing；
D, extraordinary polypropylene material is extruded in earthing detection cable core conductor；
E, internal shield, insulating layer and semiconductives external shielding layer are extruded with and through wrapped semi-conductive tape and metal/fiber for more
The finished power core conductor of braid shielded and the earthing detection cable core conductor and two piece-root graftings for being extruded with extraordinary polypropylene material
Earthed conductor is stranding into cable core, tightens cable core by braiding enhancement layer, fixes；
F, oversheath is extruded on the cable core reinforced using high-temperature-resistant high nylon yarn.
2. a kind of open coal mine according to claim 1 pulls soft rubber cable production method with high pressure, it is characterised in that:
The earth conductor is two, earth conductor using tin plating annealed copper conductor, tin plating annealed copper conductor monofilament
Diameter range is 0.1~0.4mm, and the earthing detection conductor diameter is 4.4~8.4mm.
3. a kind of open coal mine according to claim 1 pulls soft rubber cable production method with high pressure, it is characterised in that:
The earthing detection core insulating layer is extraordinary polypropylene material, the earthing detection core thickness of insulating layer is 1.2~
1.6mm。
4. a kind of open coal mine according to claim 1 pulls soft rubber cable production method with high pressure, it is characterised in that:
The special type polypropylene material melt index is 5.0~15.0g/10min, A120The Vicat softening point that method measures is 130~150
DEG C, under 0.45MPa heat distortion temperature be 90~110 DEG C, tensile strength be 25~30MPa, 100% stretching strength be 18~
23MPa。
5. a kind of open coal mine according to claim 1 pulls soft rubber cable production method with high pressure, it is characterised in that:
The braiding enhancement layer is woven using high-temperature-resistant high nylon yarn by high-speed knitter, the high-temperature-resistant high nylon yarn
Filament diameter range is 0.1~0.3mm.
6. a kind of open coal mine according to claim 1 pulls soft rubber cable production method with high pressure, it is characterised in that:
The oversheath is CPE rubber, and the CPE rubber can -40~65 DEG C of heatproof, the CPE rubber anti-tensile minimum value be for a long time
18MPa, tear strength minimum value are 8N/mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010944.1A CN109461538A (en) | 2018-08-31 | 2018-08-31 | A kind of open coal mine high pressure towing soft rubber cable production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010944.1A CN109461538A (en) | 2018-08-31 | 2018-08-31 | A kind of open coal mine high pressure towing soft rubber cable production method |
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| Publication Number | Publication Date |
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| CN109461538A true CN109461538A (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811010944.1A Pending CN109461538A (en) | 2018-08-31 | 2018-08-31 | A kind of open coal mine high pressure towing soft rubber cable production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634599A (en) * | 2019-08-29 | 2019-12-31 | 兰州众邦电线电缆集团有限公司 | Reinforced ultra-heavy portable cable for coal mine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002820A (en) * | 1974-05-03 | 1977-01-11 | Canada Wire And Cable Limited | Power cable having an extensible ground check conductor |
| CN202662372U (en) * | 2012-06-18 | 2013-01-09 | 安徽凌宇电缆科技有限公司 | Novel 35kv rubber sleeve flexible cable for moving |
| CN202996379U (en) * | 2012-12-17 | 2013-06-12 | 扬州曙光电缆股份有限公司 | Multifunctional large-section mine-used mobile metal shielded soft cable |
| CN204904857U (en) * | 2015-08-04 | 2015-12-23 | 武汉瑞奇特种电缆有限公司 | Shield constructs electromechanical cable |
| CN106373646A (en) * | 2016-08-26 | 2017-02-01 | 江苏上上电缆集团有限公司 | Wear-resistant, drag-resistant and low-temperature resistant flexible cable and fabrication method thereof |
| CN207134158U (en) * | 2017-09-04 | 2018-03-23 | 湖北龙腾红旗电缆(集团)有限公司 | Mine scraper anti-torsion tail cable |
-
2018
- 2018-08-31 CN CN201811010944.1A patent/CN109461538A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002820A (en) * | 1974-05-03 | 1977-01-11 | Canada Wire And Cable Limited | Power cable having an extensible ground check conductor |
| CN202662372U (en) * | 2012-06-18 | 2013-01-09 | 安徽凌宇电缆科技有限公司 | Novel 35kv rubber sleeve flexible cable for moving |
| CN202996379U (en) * | 2012-12-17 | 2013-06-12 | 扬州曙光电缆股份有限公司 | Multifunctional large-section mine-used mobile metal shielded soft cable |
| CN204904857U (en) * | 2015-08-04 | 2015-12-23 | 武汉瑞奇特种电缆有限公司 | Shield constructs electromechanical cable |
| CN106373646A (en) * | 2016-08-26 | 2017-02-01 | 江苏上上电缆集团有限公司 | Wear-resistant, drag-resistant and low-temperature resistant flexible cable and fabrication method thereof |
| CN207134158U (en) * | 2017-09-04 | 2018-03-23 | 湖北龙腾红旗电缆(集团)有限公司 | Mine scraper anti-torsion tail cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634599A (en) * | 2019-08-29 | 2019-12-31 | 兰州众邦电线电缆集团有限公司 | Reinforced ultra-heavy portable cable for coal mine |
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Application publication date: 20190312 |
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