CN112420246A - High-flame-retardancy and long-service-life electric wire and preparation method thereof - Google Patents
High-flame-retardancy and long-service-life electric wire and preparation method thereof Download PDFInfo
- Publication number
- CN112420246A CN112420246A CN202011095040.0A CN202011095040A CN112420246A CN 112420246 A CN112420246 A CN 112420246A CN 202011095040 A CN202011095040 A CN 202011095040A CN 112420246 A CN112420246 A CN 112420246A
- Authority
- CN
- China
- Prior art keywords
- wire
- electric wire
- protective sleeve
- high flame
- life
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims abstract 2
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 238000007648 laser printing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
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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
- H01B7/0045—Cable-harnesses
-
- 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
-
- 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
- H01B13/08—Insulating conductors or cables by winding
-
- 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
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a high-flame-retardance and long-service-life wire and a preparation method thereof, relates to the technical field of production and application of household wires, and solves the problems that the conventional flame-retardant wire is short in certain tensile strength and short in service life. The wire harness protection device comprises a protection sleeve, wherein a plurality of wire harnesses and a steel wire rope are arranged in the protection sleeve, a layer of insulation layer is arranged outside the wire harnesses, and the steel wire rope is fixed on the inner side of the protection sleeve; the outer interval cover of protective sheath is equipped with a plurality of installation circles, and the installation circle includes that both sides outside thickness degressive transition circle. The effect of improving the tensile strength of the electric wire and prolonging the service life is achieved while the electric wire is fireproof.
Description
Technical Field
The invention relates to the technical field of production and application of household electric wires, in particular to an electric wire with high flame retardance and long service life and a preparation method thereof.
Background
The electric wire is widely used, and is closely related to work and life of people. Most of insulating materials and sheath materials used in large quantities for electric wires are inflammable high polymer materials, and when the electric wires are used in households, the electric wires are often burnt due to self heating or external fire, so that fire safety hazards exist, and therefore the high polymer materials applied to the electric wires have the flame retardant property; however, the existing flame-retardant wire lacks certain tensile strength and has short service life.
Disclosure of Invention
The invention aims to provide a high-flame-resistance and long-service-life electric wire, which can improve the tensile strength of the electric wire while resisting fire so as to prolong the service life.
The technical purpose of the invention is realized by the following technical scheme:
a high-flame-retardancy and long-service-life electric wire comprises a protective sleeve, wherein a plurality of wire harnesses and a steel wire rope are arranged in the protective sleeve, a layer of insulating layer is arranged outside the wire harnesses, and the steel wire rope is fixed on the inner side of the protective sleeve;
the outer interval cover of protective sheath is equipped with a plurality of installation circles, and the installation circle includes that both sides outside thickness degressive transition circle.
Furthermore, a plurality of annular grooves are formed in the periphery of the transition rings on the two sides of the mounting ring.
Furthermore, a groove matched with the steel wire rope is formed in the inner periphery of the protective sleeve, and the steel wire rope is positioned and fixed in the groove.
Furthermore, the wire harnesses are arranged side by side, and a positioning groove matched with the outer peripheries of the wire harnesses is further formed in the inner periphery of the protective sleeve.
Furthermore, the adjacent wire harnesses are abutted against each other, and the steel wire rope is abutted against the two adjacent wire harnesses at the same time.
Further, the protective sleeve is an elastic sleeve and is open on one side.
Furthermore, the insulating layer is a fire-resistant mica tape which is wound and fixed outside the wire harness.
The present invention is also directed to a method for manufacturing a high flame-retardant, long-life electric wire, which is convenient to manufacture, and has improved tensile strength to extend the service life.
The technical purpose of the invention is realized by the following technical scheme:
a preparation method of a high-flame-retardance and long-service-life electric wire comprises the following steps:
s1: the inner periphery of the protective sleeve is positioned and glued with the steel wire rope through the groove on the inner periphery;
s2: forming a mica tape wound insulating layer after winding the mica tape on the outer surface of the wire harness;
s3: sleeving the protective sleeve obtained in the step S1 outside each wire harness obtained in the step S2, and closing and fixing the opening of the protective sleeve;
s3: a plurality of mounting rings are sleeved outside the protective sleeve at intervals.
Further, in step S1, the protective cover is printed with the encrypted line code on the periphery by laser printing in advance.
In conclusion, the invention has the following beneficial effects:
the wire harness and the steel wire rope are arranged in the protective sleeve, so that the tensile strength of the wire is improved, and the service life is prolonged; the steel wire rope is glued in the protective sleeve, so that the processing and sleeving are convenient, and the working efficiency and the simplicity are improved.
Drawings
FIG. 1 is a schematic structural view of a cross-sectional portion of the present invention;
fig. 2 is an external overall structural schematic diagram of the present invention.
In the figure, 1, a protective sleeve; 2. installing a ring; 3. a wire harness; 4. an insulating layer; 5. a steel cord.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the invention.
A high flame-retardant and long-life electric wire, as shown in figure 1, comprises a low-smoke halogen-free outer protective sleeve 1, wherein three wire harnesses 3 (a live wire, a zero wire and a ground wire) and a steel wire rope 5 are arranged in the protective sleeve 1, a layer of insulating layer 4 is arranged outside the wire harnesses 3, and the steel wire rope 5 is fixed on the inner side of the protective sleeve 1 in a gluing manner;
in this embodiment, the insulating layer 4 is a fire-resistant mica tape wound around and fixed outside the wire harness 3, so as to prevent the mica tape from working normally when encountering high temperature or fire, protect the inside from being affected by external high temperature within a certain period of time, and still rely on mica to have certain insulating properties when other insulating and protecting materials are damaged completely.
As shown in fig. 1, the wire harnesses 3 are arranged side by side, the adjacent wire harnesses 3 abut against each other, and the two wire ropes 5 abut against both upper and lower sides of the two adjacent wire harnesses 3 at the same time.
As shown in fig. 1, the inner periphery of the protective sleeve 1 is provided with a groove adapted to the steel wire rope 5 and a positioning groove adapted to the outer periphery of the wire harness 3, and the steel wire rope 5 is positioned and fixed in the groove. The protective sleeve 1 is an elastic sleeve and is open at one side.
As shown in fig. 2, a plurality of mounting rings 2 are uniformly arranged outside the protective sleeve 1 at intervals, and the mounting rings 2 are fixed outside the protective sleeve 1 by gluing so as to bear pressure during installation and facilitate positioning and installation stability; the installation circle 2 includes the outside degressive transition circle of thickness in both sides, and a plurality of rings of annular grooves have been seted up to 2 both sides transition circle peripheries of installation circle, and the bending of being convenient for also reduces the easy damaged problem that 2 tip protective sheaths of installation circle lead to because excessive bending.
The preparation method of the high-flame-retardance and long-service-life electric wire comprises the following steps:
s1: the protective sleeve 1 is printed with the encrypted wire code on the periphery in advance through laser printing, so that the anti-counterfeiting performance of the electric wire is improved; the inner periphery of the protective sleeve 1 is positioned and glued with the steel wire rope 5 through the groove on the inner periphery;
s2: winding a mica tape on the outer surface of the wire harness 3 to form a mica tape wound fire-resistant insulating layer;
s3: sleeving the protective sleeve 1 obtained in the step S1 outside each wire harness 3 obtained in the step S2, and closing and fixing the opening of the protective sleeve 1;
s4: a plurality of mounting rings 2 are sleeved outside the protective sleeve 1 at intervals, the shape of the protective sleeve is completely limited, and the position of the protective sleeve is fixed by gluing.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.
Claims (9)
1. A high flame retardance long-life electric wire characterized in that: the wire harness protection device comprises a protection sleeve (1), wherein a plurality of wire harnesses (3) and steel wire ropes (5) are arranged in the protection sleeve (1), a layer of insulation layer (4) is arranged outside the wire harnesses (3), and the steel wire ropes (5) are fixed on the inner side of the protection sleeve (1);
the outer interval cover of protective sheath (1) is equipped with a plurality of installation circle (2), and installation circle (2) include both sides transition circle that outside thickness degressive.
2. A high flame-retardant high-life electric wire as claimed in claim 1, wherein: and a plurality of ring-shaped grooves are formed in the peripheries of the transition rings on the two sides of the mounting ring (2).
3. A high flame-retardant high-life electric wire as claimed in claim 1, wherein: the inner periphery of the protective sleeve (1) is provided with a groove matched with the steel wire rope (5), and the steel wire rope (5) is positioned and fixed in the groove.
4. A high flame-retardant high-life electric wire as claimed in claim 3, wherein: the wire harness (3) is arranged side by side, and a positioning groove matched with the periphery of the wire harness (3) is further formed in the inner periphery of the protective sleeve (1).
5. The electric wire with high flame retardancy and long service life according to claim 4, wherein: the adjacent wire harnesses (3) are mutually abutted, and the steel wire rope (5) is simultaneously abutted to the two adjacent wire harnesses (3).
6. The electric wire with high flame retardancy and long service life according to claim 5, wherein: the protective sleeve (1) is an elastic protective sleeve and is provided with an opening at one side.
7. A high flame-retardant high-life electric wire as claimed in claim 1, wherein: the insulating layer (4) is a fire-resistant mica tape which is wound and fixed outside the wire harness (3).
8. A method for producing the high flame-retardant, long-life electric wire according to claim 1, characterized in that: the method comprises the following steps:
s1: the inner periphery of the protective sleeve (1) is positioned and glued with the steel wire rope (5) through the groove on the inner periphery;
s2: forming a mica tape wound insulating layer after winding a mica tape on the outer surface of the wire harness (3);
s3: sleeving the protective sleeve (1) obtained in the step S1 outside each wire harness (3) obtained in the step S2, and closing and fixing the opening of the protective sleeve (1);
s3: a plurality of mounting rings (2) are sleeved outside the protective sleeve (1) at intervals.
9. The method for producing an electric wire with high flame retardancy and long service life according to claim 8, wherein: in step S1, the protective cover (1) is printed with the encrypted line code on the outer periphery by laser printing in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095040.0A CN112420246A (en) | 2020-10-14 | 2020-10-14 | High-flame-retardancy and long-service-life electric wire and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095040.0A CN112420246A (en) | 2020-10-14 | 2020-10-14 | High-flame-retardancy and long-service-life electric wire and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112420246A true CN112420246A (en) | 2021-02-26 |
Family
ID=74854447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011095040.0A Pending CN112420246A (en) | 2020-10-14 | 2020-10-14 | High-flame-retardancy and long-service-life electric wire and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112420246A (en) |
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| CN201673718U (en) * | 2010-04-29 | 2010-12-15 | 江苏远洋东泽电缆股份有限公司 | Special belt-shaped extra soft cable for large-scale gantry crane |
| CN204010743U (en) * | 2014-05-30 | 2014-12-10 | 安徽龙庵电缆集团有限公司 | High temperature resistant extended pattern environmental protection compensation flat cable |
| CN104835581A (en) * | 2015-05-22 | 2015-08-12 | 上海矿山电缆制造有限公司 | Low-smoke zero-halogen fireproof mobile-type rubber flexible cable |
| CN105118569A (en) * | 2015-09-22 | 2015-12-02 | 山东理工职业学院 | Overhead wire for tram |
| CN105913902A (en) * | 2016-06-17 | 2016-08-31 | 江阴凯博通信科技有限公司 | Radio frequency cable |
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| CN206301607U (en) * | 2016-12-30 | 2017-07-04 | 浙江卡迪夫电缆有限公司 | A kind of wear-resisting low smoke and zero halogen drag chain cable |
| CN106997793A (en) * | 2017-04-14 | 2017-08-01 | 杨露萍 | A kind of elevator trailing cable wear-resistant sleeve |
| CN206833956U (en) * | 2017-05-12 | 2018-01-02 | 四川新东方电缆集团有限公司 | A kind of electric Special wear-resistant cable of ladder |
| CN207265571U (en) * | 2017-07-31 | 2018-04-20 | 科宝电气制品（深圳）有限公司 | A kind of evacuation formula wire bushing |
| CN207718871U (en) * | 2018-01-05 | 2018-08-10 | 丁大电缆科技有限公司 | A kind of rated voltage 1.9/3.3KV and following soft cable of coal mining machine |
| CN210692139U (en) * | 2019-12-20 | 2020-06-05 | 江苏鑫海腾线缆有限公司 | Anti-winding flat cable |
| CN210956238U (en) * | 2019-12-25 | 2020-07-07 | 江苏悠瑞联珂线缆有限公司 | Photovoltaic cable of easily separating |
| CN211046650U (en) * | 2019-12-31 | 2020-07-17 | 内蒙古巨创电气设备有限公司 | Cable clamp plate in wind driven generator |
-
2020
- 2020-10-14 CN CN202011095040.0A patent/CN112420246A/en active Pending
Patent Citations (15)
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| CN201673718U (en) * | 2010-04-29 | 2010-12-15 | 江苏远洋东泽电缆股份有限公司 | Special belt-shaped extra soft cable for large-scale gantry crane |
| CN204010743U (en) * | 2014-05-30 | 2014-12-10 | 安徽龙庵电缆集团有限公司 | High temperature resistant extended pattern environmental protection compensation flat cable |
| CN104835581A (en) * | 2015-05-22 | 2015-08-12 | 上海矿山电缆制造有限公司 | Low-smoke zero-halogen fireproof mobile-type rubber flexible cable |
| CN105118569A (en) * | 2015-09-22 | 2015-12-02 | 山东理工职业学院 | Overhead wire for tram |
| CN105957605A (en) * | 2016-05-23 | 2016-09-21 | 南通中尧特雷卡电梯产品有限公司 | Traveling cable for lift and fixing device of cable |
| CN105913902A (en) * | 2016-06-17 | 2016-08-31 | 江阴凯博通信科技有限公司 | Radio frequency cable |
| CN106328279A (en) * | 2016-10-12 | 2017-01-11 | 无锡市长城电线电缆有限公司 | Multi-core flat buried agricultural cable |
| CN206301607U (en) * | 2016-12-30 | 2017-07-04 | 浙江卡迪夫电缆有限公司 | A kind of wear-resisting low smoke and zero halogen drag chain cable |
| CN106997793A (en) * | 2017-04-14 | 2017-08-01 | 杨露萍 | A kind of elevator trailing cable wear-resistant sleeve |
| CN206833956U (en) * | 2017-05-12 | 2018-01-02 | 四川新东方电缆集团有限公司 | A kind of electric Special wear-resistant cable of ladder |
| CN207265571U (en) * | 2017-07-31 | 2018-04-20 | 科宝电气制品（深圳）有限公司 | A kind of evacuation formula wire bushing |
| CN207718871U (en) * | 2018-01-05 | 2018-08-10 | 丁大电缆科技有限公司 | A kind of rated voltage 1.9/3.3KV and following soft cable of coal mining machine |
| CN210692139U (en) * | 2019-12-20 | 2020-06-05 | 江苏鑫海腾线缆有限公司 | Anti-winding flat cable |
| CN210956238U (en) * | 2019-12-25 | 2020-07-07 | 江苏悠瑞联珂线缆有限公司 | Photovoltaic cable of easily separating |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |
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| RJ01 | Rejection of invention patent application after publication |