CN102751007B - Special cable for buggy ladle - Google Patents
Special cable for buggy ladle Download PDFInfo
- Publication number
- CN102751007B CN102751007B CN201110097605.3A CN201110097605A CN102751007B CN 102751007 B CN102751007 B CN 102751007B CN 201110097605 A CN201110097605 A CN 201110097605A CN 102751007 B CN102751007 B CN 102751007B
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- China
- Prior art keywords
- core
- cable
- inner core
- protective sleeve
- silicone rubber
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
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Abstract
The invention discloses a special cable for a buggy ladle. The special cable for the buggy ladle structurally comprises an outer protective casing and a conductor core in the protective casing, wherein the conductor core consists of a tensile resistant strengthening inner core in the middle and a copper bundle wire core at the periphery of the inner core, and the inner core and the copper bundle wire core are stranded together. The tensile resistant strengthening inner core is an inner core made of a carbon fiber material or a galvanized stranded steel core. The special cable for the buggy ladle adopts the tensile resistant strengthening inner core, a four-layer high-temperature protective structure, a tensile resistant material, a high-temperature resistant material and a tear-friction resistant material. Due to a unique structure, reasonable materials and a scientific process, the tensile resistance, temperature resistance level and tear-friction resistance of the cable are greatly enhanced, the safety and stability of the operation of the cable are improved, the service life of the cable is prolonged, the working efficiency and the product quality are effectively improved, and energy resources are saved.
Description
Technical field
The present invention relates to cable, specifically a kind of dedicated cable for buggy ladle.
Background technology
At present, widely used buggy ladle cable is mainly conductor with fine copper, and natural+butylbenzene mixed rubber is the traditional handicraft of insulation and sheath material.China is the first in the world big steel country, buggy ladle cable demand is huge, cable environment for use is very special, severe, bear very large pulling force and ambient temperature is high, use in there will be at any time molten steel spatter boiling hot, slag collides with, cable car stretches, surface wear, internal break situation, cause cable to damage in various degree and even scrap.Traditional cable conductor structure is single, tensile strength is low; Insulation and sheath material mechanicalness, tear resistance, resist subdue, elasticity and poor processability; Oxytolerant and ozone resistance poor, easy aged deterioration; Oil resistant and poor solvent resistance, the corrosive power of antiacid alkali is low; Thermal endurance is low, and is combustible material.Therefore, can only run three days, solve not in time once cable goes wrong, molten steel just can not be transported to assigned address in time, and molten steel not only causes very large waste to resource together with will being set in buggy ladle, and consequence is very serious, and economic loss is huge.
Summary of the invention
The object of the invention is the defect existed for prior art, a kind of dedicated cable for buggy ladle is provided, be that a kind of structure is unique, material rationally, craft science and can effectively increase work efficiency, the dedicated cable for buggy ladle of product quality and energy savings, there is the feature of stretching resistance, high temperature resistance, anti-tear mill.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dedicated cable for buggy ladle, and its structure comprises outside protective sleeve and the conductor thread core of protective sleeve inside; Described conductor thread core is strengthened inner core by the stretching resistance of centre and is formed around the copper bunch core of its periphery of inner core is stranded.It is the inner core of carbon fibre materials or zinc-plated steel stranded core that described stretching resistance strengthens inner core.Described protective sleeve is silicon rubber protective sleeve, and the outer setting of described whole conductor thread core has silicone rubber insulation layer, between silicon rubber protective sleeve and silicone rubber insulation layer, be filled with inorganic fillings.The circumferential lateral surface of the conductor thread core between described whole conductor thread core and silicone rubber insulation layer is enclosed with two-sided synthetic refractory mica tape; The circumferential lateral surface of the silicone rubber insulation layer between described silicon rubber protective sleeve and silicone rubber insulation layer is enclosed with two-sided synthetic refractory mica tape.
Compared to the prior art a kind of dedicated cable for buggy ladle of the present invention, has following beneficial effect:
The determination of A, structure: from the serviceability of cable, unique and stable structure plays decisive role.
Stretching resistance structure, the combining structure of high-strength tensile bimetallic combining structure or the outer metallic conductor of interior carbon fiber.
Conductor thread core adopts that zinc-plated steel stranded core+outside core copper bunch core is stranded at center forms, and the tensile strength of zinc-plated steel stranded core is up to 2000N/mm
2, greatly can reduce buggy ladle and advance the pulling force that produces to the destruction of cable conductor, reduce conductor single wire fracture.The conductor short circuit phenomenon avoiding partial discharge to cause, conductor is possessed simultaneously excellent electrical property and mechanical performance.
Carbon fiber (carbon fibre), as the term suggests it not only has the intrinsic intrinsic property of material with carbon element, having again the soft machinability of textile fabric concurrently, is fortifying fibre of new generation.Compared with traditional glass fibre (GF), Young's modulus is that they are more than 3 times; It is compared with kevlar fiber (KF-49), and not only Young's modulus is its about 2 times, and insoluble not swollen in organic solvent, acid, alkali, and corrosion resistance is transcendent.Have scholar to be immersed in highly basic NaOH solution in 1981 by PAN base CF, time-out goes more than 20 year, and it still keeps fibre morphology so far.
Carbon fiber is the micro crystal graphite material obtained through carbonization and graphitization processing by organic fiber.The similar Delanium of microstructure of carbon fiber is random graphits structure.Carbon fiber is a kind of new material of excellent in mechanical performance, and its proportion is less than 1/4 of steel, and carbon fiber resin composite material tensile strength is general all at more than 3500Mpa, and be 7 ~ 9 times of steel, tensile modulus of elasticity is that 23000 ~ 43000Mpa is also higher than steel.Therefore the specific strength of CFRP and the intensity of material can reach more than 2000Mpa/ (g/cm3) with the ratio of its density, and the specific strength of A3 steel is only 59Mpa/ (g/cm3) left and right, and its specific modulus is also high than steel.The specific strength of material is higher, then member dead weight is less, specific modulus is higher, then the rigidity of component is larger, in this sense predictive of the broad prospect of application of carbon fiber in engineering, take a broad view of the excellent properties of multiple emerging composite material (as polymer composite, metal-base composites, ceramic matric composite), many people expects, the mankind just enter into the epoch of a composite material extensive use from the iron and steel epoch on materials application.Its performance of combining structure of the outer metallic conductor of interior carbon fiber is more excellent.
High temperature resistance structure, the safeguard structure of four floor height temperature.
Conductor is protected; wrapped two-sided synthetic refractory mica tape after conductor strand; this material has acid and alkali-resistance, withstands corona, radioresistance characteristic; protection cable conductor is when flame temperature is up to 1000 DEG C; continuous service three hours, therefore, can withstand short circuit thermal, molten steel normally runs under spattering boiling hot, big fire dangerous situation within a period of time; for buggy ladle safe escape wins the quality time, define the decisive safeguard protection of ground floor to the safety of cable, stable operation.
Insulation protection, extrudes silicon rubber insulation after conductor is wrapped, silicon rubber Long-Time Service temperature range-90 ~+250 DEG C.Electrical insulation capability is excellent, even if when temperature and frequency, or by the time of tide, the electrical insulation capability of silicon rubber is keep stable, and the silicon dioxide produced after combustion process is insulator.Therefore, the voltge surge of cable inside, internal electrical, heat ageing and leakage current can be withstood for a long time, ensure high insulating property and the hot property of cable, define second layer safeguard protection to cable.
Become cable protection, stranding inorganic fillings and two-sided synthetic refractory mica tape carry out wrapped, can strengthen the thermal endurance class of cable further, define the protection of third layer auxiliary security to cable.
Sheath is protected, and extrudes formula silicone rubber jacket after stranding, and by optimization of C/C composites, silicon rubber not only possesses performance that is fire-retardant, wear-resisting, tear-proof, and resistance to ozone aging, oxygen aging, light aging and atmospheric aging performance be further enhanced.Odorless is nontoxic, does not produce toxic gas in combustion process, is high-tech environment-friendly materials.Therefore, External Force Acting, ambient temperature etc. can be prevented the destruction of cable and infringement comprehensively, define the 4th layer of all-position safety protection to cable.
The selection of B, material: from cable useful life, reasonable and correct the selection of material is key factor.
Stretching resistance material, selects zinc-plated steel stranded core, the tensile strength of cable can be improved 10 times, by the 200N/mm of traditional copper conductor
2be promoted to 2000N/mm
2, fundamentally solve buggy ladle in use to the pulling force problem that cable applies, improve mechanical performance and the operation stability of cable.
Exotic material, wrappedly selects two-sided synthetic refractory mica tape, fills and adopts inorganic material, and insulation and sheath material select high-temperature-resisting silicon rubber.Be high temperature resistant, fire-retardant, refractory material, the operational limit temperature of cable can be improved 10 times, be promoted to 1000 DEG C by traditional 100 DEG C, improve temperature resistant grade and the useful life of cable.
The anti-tear material that rubs, optimization of C/C composites silastic material selected by sheath, and the silicon rubber special formulation after optimizing improvement, silicon rubber has tear-proof, the rub resistance ability of high strength, and integrated data is more than five times of General Purpose Rubber material.
C, technique perfect: from the operational effect of cable, science, suitable technique play far-reaching influence.
Bimetallic group technology, decreases skin effect and the approach effect of conductor, improves electrical property.
Fine pith back twist stranding process, reduces the situation of monofilament conductor unbalance stress, improves stability.
Insulation and sheath low temperature, low pressure continuous vulcanization extrusion process, avoid high temperature, chemical breakdown that high pressure extrudes lower material, reduces impurity content, improve product quality, saved the energy.
The present invention is because structure is unique, material is reasonable, craft science, cable tensile strength, temperature resistant grade, tear-proof frictional force have had great lifting, add safety and stability and useful life that cable runs, effectively increase work efficiency, product quality and energy savings.
Accompanying drawing explanation
Accompanying drawing is the structural representation of a kind of dedicated cable for buggy ladle of the present invention.
In figure: 1, stretching resistance strengthens inner core, 2, copper bunch core, 3, two-sided synthetic refractory mica tape, 4, silicon rubber insulation, 5, inorganic fillings, 6, two-sided synthetic refractory mica tape, 7, silicone rubber jacket.
Embodiment
Following reference Figure of description is described in detail below a kind of dedicated cable for buggy ladle of the present invention.
A kind of dedicated cable for buggy ladle, its structure comprises outside protective sleeve and the conductor thread core of protective sleeve inside; Described conductor thread core is strengthened inner core by the stretching resistance of centre and is formed around the copper bunch core of its periphery of inner core is stranded.It is the inner core of carbon fibre materials or zinc-plated steel stranded core that described stretching resistance strengthens inner core.Described protective sleeve is silicon rubber protective sleeve, and the outer setting of described whole conductor thread core has silicone rubber insulation layer, between silicon rubber protective sleeve and silicone rubber insulation layer, be filled with inorganic fillings.The circumferential lateral surface of the conductor thread core between described whole conductor thread core and silicone rubber insulation layer is enclosed with two-sided synthetic refractory mica tape; The circumferential lateral surface of the silicone rubber insulation layer between described silicon rubber protective sleeve and silicone rubber insulation layer is enclosed with two-sided synthetic refractory mica tape.
As can be seen from accompanying drawing, dedicated cable for buggy ladle, includes the combining structure of zinc-plated steel stranded core+copper bunch core combined conductor or the outer metallic conductor of interior carbon fiber from inside to outside successively.Outsourcing mica tape, silicon rubber insulation, inorganic fill cable core, outsourcing mica tape, silicone rubber jacket form.Product adopts high-strength tensile bimetallic combining structure, the safeguard structure of four floor height temperature, stretching resistance material, exotic material, the anti-tear material that rubs.
Stretching resistance is strengthened inner core 1 centered by zinc-plated steel stranded core and with the pitch of 10 times, is carried out by zinc-plated steel stranded core, copper bunch core 2 that back twist is stranded to be formed or the combining structure of the outer metallic conductor of interior carbon fiber.Cable is as the power transmission line between buggy ladle and cable car and mobile link line, and stretching resistance is strengthened inner core and born main pulling force, and copper bunch core 2 bears auxiliary pulling force.
The safeguard structure of four floor height temperature is wrapped or extrude 4 layers of high temperature resistant safeguard structure and form respectively by different way by two-sided synthetic refractory mica tape 3, silicon rubber insulation 4, inorganic fillings 5, two-sided synthetic refractory mica tape 6, silicone rubber jacket 7, wherein two-sided synthetic refractory mica tape 3, silicon rubber insulation 4, mainly bear short circuit thermal, molten steel spatter certain danger situation that is boiling hot, big fire; And inorganic fillings 5, two-sided synthetic refractory mica tape 6, silicone rubber jacket 7 mainly bear the conventional failure situation of external high temperature environment, uncolled slag.
Stretching resistance structure, the combining structure of high-strength tensile bimetallic combining structure or the outer metallic conductor of interior carbon fiber.Carbon fiber (carbon fibre), as the term suggests it not only has the intrinsic intrinsic property of material with carbon element, having again the soft machinability of textile fabric concurrently, is fortifying fibre of new generation.Compared with traditional glass fibre (GF), Young's modulus is that they are more than 3 times; It is compared with kevlar fiber (KF-49), and not only Young's modulus is its about 2 times, and insoluble not swollen in organic solvent, acid, alkali, and corrosion resistance is transcendent.Have scholar to be immersed in highly basic NaOH solution in 1981 by PAN base CF, time-out goes more than 20 year, and it still keeps fibre morphology so far.
Carbon fiber is the micro crystal graphite material obtained through carbonization and graphitization processing by organic fiber.The similar Delanium of microstructure of carbon fiber is random graphits structure.Carbon fiber is a kind of new material of excellent in mechanical performance, and its proportion is less than 1/4 of steel, and carbon fiber resin composite material tensile strength is general all at more than 3500Mpa, and be 7 ~ 9 times of steel, tensile modulus of elasticity is that 23000 ~ 43000Mpa is also higher than steel.Therefore the specific strength of CFRP and the intensity of material can reach more than 2000Mpa/ (g/cm3) with the ratio of its density, and the specific strength of A3 steel is only 59Mpa/ (g/cm3) left and right, and its specific modulus is also high than steel.The specific strength of material is higher, then member dead weight is less, specific modulus is higher, then the rigidity of component is larger, in this sense predictive of the broad prospect of application of carbon fiber in engineering, take a broad view of the excellent properties of multiple emerging composite material (as polymer composite, metal-base composites, ceramic matric composite), many people expects, the mankind just enter into the epoch of a composite material extensive use from the iron and steel epoch on materials application.Its performance of combining structure of the outer metallic conductor of interior carbon fiber is more excellent.
Exotic material is by two-sided synthetic refractory mica tape 3, and silicon rubber insulation 4, inorganic fillings 5, two-sided synthetic refractory mica tape 6, silicone rubber jacket 7 form.
Tear-proof, friction material are made up of silicone rubber jacket 7, extrude the silicon rubber special formulation after optimizing improvement after cable cabling, mainly bear slag collide with, the destruction situation of surface wear.
The above embodiment, the just one of the execution mode that the present invention is more preferably concrete, the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (1)
1. a dedicated cable for buggy ladle, its structure comprises outside protective sleeve and the conductor thread core of protective sleeve inside; Described conductor thread core is strengthened inner core by the stretching resistance of centre and is formed around the copper bunch core of its periphery of inner core is stranded; It is characterized in that: it is the inner core of carbon fibre materials or zinc-plated steel stranded core that described stretching resistance strengthens inner core; Described protective sleeve is silicon rubber protective sleeve, and the outer setting of described whole conductor thread core has silicone rubber insulation layer, between silicon rubber protective sleeve and silicone rubber insulation layer, be filled with inorganic fillings; The circumferential lateral surface of the conductor thread core between described whole conductor thread core and silicone rubber insulation layer is enclosed with two-sided synthetic refractory mica tape; The circumferential lateral surface of the silicone rubber insulation layer between described silicon rubber protective sleeve and silicone rubber insulation layer is enclosed with two-sided synthetic refractory mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110097605.3A CN102751007B (en) | 2011-04-19 | 2011-04-19 | Special cable for buggy ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110097605.3A CN102751007B (en) | 2011-04-19 | 2011-04-19 | Special cable for buggy ladle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102751007A CN102751007A (en) | 2012-10-24 |
| CN102751007B true CN102751007B (en) | 2015-02-18 |
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ID=47031109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110097605.3A Expired - Fee Related CN102751007B (en) | 2011-04-19 | 2011-04-19 | Special cable for buggy ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102751007B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229042B (en) * | 2016-07-29 | 2017-10-17 | 上海新时达线缆科技有限公司 | Cable for elevator |
| CN107146656A (en) * | 2017-06-22 | 2017-09-08 | 江苏华亚电缆有限公司 | Control cable |
| CN110660518A (en) * | 2019-10-14 | 2020-01-07 | 江苏泰祥电线电缆有限公司 | High-strength tensile cable for ladle car |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2533138A1 (en) * | 1974-08-01 | 1976-02-19 | Southwire Co | ELECTRICAL CONDUCTOR |
| CN201237932Y (en) * | 2008-07-29 | 2009-05-13 | 安徽华能电缆集团有限公司 | Cable for wind power generator |
| CN201440344U (en) * | 2009-08-27 | 2010-04-21 | 兴乐电缆有限公司 | Heat-resistant anti-tension non-flame spread flexible cable |
| CN201477949U (en) * | 2009-08-29 | 2010-05-19 | 甘肃长通电缆科技股份有限公司 | Cable for carry-scraper |
| CN201556447U (en) * | 2009-12-15 | 2010-08-18 | 北京亨通斯博通讯科技有限公司 | Light-duty high-intensity flexible cable |
| CN201611585U (en) * | 2010-03-17 | 2010-10-20 | 扬州中大电缆有限公司 | Fire-retardation fire-proof control cable |
| CN201975114U (en) * | 2011-04-19 | 2011-09-14 | 辽宁塑力电线电缆有限公司 | Special cable for buggy ladle |
-
2011
- 2011-04-19 CN CN201110097605.3A patent/CN102751007B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2533138A1 (en) * | 1974-08-01 | 1976-02-19 | Southwire Co | ELECTRICAL CONDUCTOR |
| CN201237932Y (en) * | 2008-07-29 | 2009-05-13 | 安徽华能电缆集团有限公司 | Cable for wind power generator |
| CN201440344U (en) * | 2009-08-27 | 2010-04-21 | 兴乐电缆有限公司 | Heat-resistant anti-tension non-flame spread flexible cable |
| CN201477949U (en) * | 2009-08-29 | 2010-05-19 | 甘肃长通电缆科技股份有限公司 | Cable for carry-scraper |
| CN201556447U (en) * | 2009-12-15 | 2010-08-18 | 北京亨通斯博通讯科技有限公司 | Light-duty high-intensity flexible cable |
| CN201611585U (en) * | 2010-03-17 | 2010-10-20 | 扬州中大电缆有限公司 | Fire-retardation fire-proof control cable |
| CN201975114U (en) * | 2011-04-19 | 2011-09-14 | 辽宁塑力电线电缆有限公司 | Special cable for buggy ladle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102751007A (en) | 2012-10-24 |
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Granted publication date: 20150218 Termination date: 20200419 |
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