CN108010639A - A kind of first-born production. art of flexible mineral insulation fire prevention pre-branched cable branch - Google Patents
A kind of first-born production. art of flexible mineral insulation fire prevention pre-branched cable branch Download PDFInfo
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- CN108010639A CN108010639A CN201810001348.0A CN201810001348A CN108010639A CN 108010639 A CN108010639 A CN 108010639A CN 201810001348 A CN201810001348 A CN 201810001348A CN 108010639 A CN108010639 A CN 108010639A
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- Prior art keywords
- copper
- branch
- cable
- wrapped
- sheath
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of first-born production. art of flexible mineral insulation fire prevention pre-branched cable branch, it comprises the following steps：Prepare before S1, branch's head crimping；S2, core connector press；S3, core connector are wrapped；S4, cable core are wrapped；S5, pre- branch head low smoke and zero halogen injection forming.The beneficial effects of the invention are as follows：Production technology is easy, insulated heat fire resisting multilayer is wrapped, insulating refractory excellent effect, prevents cable core to be punctured, ensures copper sheath and turn on.
Description
Technical field
The present invention relates to the technical field of the first-born production of fire prevention pre-branched cable branch, a kind of particularly flexible mineral insulation is prevented
The fiery first-born production. art of pre-branched cable branch.
Background technology
Pre-branched cable use scope：Pre-branched cable is widely used in residential building, office building, office building, large-scale public
The more intensive place of the populations such as place.Repeatedly has there is skyscraper, mall etc. and fire phenomena, fire occurs in recent year
Cause lighting circuit power off and elevator phenomenon out of service, power supply can not normal transmission, cause difficulty to escape, give people the people's livelihood
Life and property cause heavy losses, and therefore, fireproof importance gradually highlights.
The content of the invention
The shortcomings that it is an object of the invention to overcome the prior art, there is provided a kind of production technology is easy, insulated heat fire resisting
Multilayer is wrapped, insulating refractory excellent effect, pre- point of flexible mineral insulation fire prevention for preventing cable core to be punctured, ensuring copper sheath conducting
The first-born production. art of branch cable branch.
The purpose of the present invention is achieved through the following technical solutions：A kind of flexible mineral insulation fire prevention pre-branched cable branch
First-born production. art, it comprises the following steps：
Prepare before S1, branch's head crimping, specifically include following steps：
S1（I）, main cables and branch cable are pressed into drawing length segmentation；
S1（II）, copper sheath is divested at the twig connectors of branch cable, the length that divests of copper sheath is L5, and by copper sheath both ends
Head outside crimping, and polish smooth break corner burr respectively；
S1（III）, copper sheath is divested in the main line joint of main cables, the length that divests of copper sheath is L4, and by copper sheath
The outside crimping of two ends, and polish smooth break corner burr；
S1（IV）, divest main cables, the insulating layer at branch cable terminal stud, the length that copper conductor is exposed on branch cable is k, main
The length for exposing copper conductor on cable is L3, and is splitted for longitudinal direction；
S2, core connector press：First the copper conductor exposed in branch cable the copper that corresponding contact is exposed in main cables respectively is led
On body, then the copper conductor being in contact is blocked using c-type card, c-type card, the copper conductor that will expose on branch cable are compressed with hydraulic tongs
It is held on the copper conductor exposed in main cables, so as to form core connector；
S3, core connector are wrapped, specifically include following steps：
S3（I）, using high-temperature resistant polytetrafluoroethylmelt band, the exposed copper conductor in double-deck half lap winding wire core joint；
S3（II）, using high temperature resistant synthetic mica tape A, half lap on high-temperature resistant polytetrafluoroethylmelt band, the wrapped number of plies be 5
Layer；
S3（III）, using Ceramic silicon rubber band A, half lap on high temperature resistant synthetic mica tape A, the wrapped number of plies be 1 layer；
S3（IV）, using water blocking tape A, double-deck half lap is on Ceramic silicon rubber band A；
S4, cable core are wrapped, specifically include following steps：
S4（I）, using high temperature resistant synthetic mica tape B, half lap be around the cable core surface for having wrapped core connector, the wrapped number of plies
5 layers；
S4（II）, using Ceramic silicon rubber band B, half lap on high temperature resistant synthetic mica tape B, the wrapped number of plies be 1 layer；
S 4（III）, using water blocking tape B, double-deck half lap is on Ceramic silicon rubber band B；
S4（IV）, using copper strips, half lap ensures that copper strips termination is connected with copper sheath on Ceramic silicon rubber band B；
S4（V）, using copper wire, dredge and be wound on copper strip surface, end point is wrapped on copper sheath；
S（VI）, in the end point that copper strips, copper wire are contacted with copper sheath, copper hose clamp is pressed in installation, it is ensured that copper strips and copper wire are protected with copper
Set fits closely；
S5, pre- branch head low smoke and zero halogen injection forming：Corresponding branch's head injection molding mould is chosen according to cable model specification
Tool, carries out pre- branch's head injection molding by process stipulation temperature, pressure and time, is molded into branch's head.
The present invention has the following advantages：1st, copper sheath section flange grinding process；2nd, multilayer is wrapped, reinforced insulation and every
Heat, refractory technology；3rd, copper strips, copper wire double insurance ensure that copper sheath turns on, and ensure certain flexibility；Copper strips copper wire termination and copper
Sheath is closely connected as one by hose clamp；4th, it is molded using low viscosity with orange low smoke and zero halogen sheath material, injection molding branch
Head.
Brief description of the drawings
Fig. 1 is the schematic diagram for peeling off copper sheath；
Fig. 2 stripping insulation layers, the schematic diagram on outer volume copper sheath side；
Fig. 3 presses schematic diagram for core connector；
Fig. 4 is the wrapped schematic diagram of core connector；
Fig. 5 is the wrapped schematic diagram of cable core；
Fig. 6 for cable core it is wrapped after be put into the schematic diagram after mould；
Fig. 7 is the structure diagram of finished product flexible mineral insulation fire prevention pre-branched cable branch head；
In figure, 1- main cables, 2- branch cables, 3- copper sheaths, 4- insulating layers, 5- high-temperature resistant polytetrafluoroethylmelt bands, the conjunction of 6- high temperature resistants
Into mica tape A, 7- Ceramic silicon rubbers band A, 8- water blocking tapes A, 9- high temperature resistant synthetic mica tape B, 10- Ceramic silicon rubber band B,
11- water blocking tapes B, 12- copper strips, 13- copper wires, 14- molding dies, 15- copper conductors.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below：
A kind of first-born production. art of flexible mineral insulation fire prevention pre-branched cable branch, it comprises the following steps：
Prepare before S1, branch's head crimping, specifically include following steps：
S1（I）, main cables 1 and branch cable 2 are pressed into drawing length segmentation；
S1（II）, as shown in Figure 1 and 2, copper sheath 3 is divested at the twig connectors of branch cable 2, the length that divests of copper sheath 3 is
L5, and 3 two ends of copper sheath are distinguished into outside crimping, and polish smooth break corner burr, to avoid pierce through, insulation of running over and injure
Layer, prevents pressure-resistant breakdown and point discharge；
S1（III）, as shown in Figure 1 and 2, copper sheath 3 is divested in the main line joint of main cables 1, the length that divests of copper sheath 3 is
L4, and by the outside crimping of the two ends of copper sheath 3, and polish smooth break corner burr, to avoid pierce through, insulating layer of running over and injure,
Prevent pressure-resistant breakdown and point discharge；
S1（IV）, divest main cables 1, the insulating layer 4 at 2 terminal stud of branch cable, the length of copper conductor 15 is exposed on branch cable 2
For k, the length that copper conductor 15 is exposed in main cables 1 is L3, and is splitted for longitudinal direction；
S2, core connector press：As shown in figure 3, the copper conductor 15 exposed in branch cable 2 is first corresponded to contact respectively in main cables
On the copper conductor 15 exposed on 1, then the copper conductor 15 being in contact is blocked using c-type card 16, c-type card 16 is compressed with hydraulic tongs, with
The copper conductor 15 exposed on branch cable 2 is held on the copper conductor 15 exposed in main cables 1, so as to form core connector；
S3, core connector are wrapped, as shown in figure 4, specifically including following steps：
S3（I）, gathered using high-temperature resistant polytetrafluoroethylmelt band 5, the exposed copper conductor in double-deck half lap winding wire core joint, high temperature resistant
Tetrafluoroethene band 5 is to be used as high-temperature insulation；
S3（II）, using high temperature resistant synthetic mica tape A6, half lap on high-temperature resistant polytetrafluoroethylmelt band 5, the wrapped number of plies be 5
Layer, high temperature resistant synthetic mica tape A6 have the characteristics that insulation, high temperature resistant, heat-insulated；
S3（III）, using Ceramic silicon rubber band A7, half lap on high temperature resistant synthetic mica tape A6, the wrapped number of plies be 1
Layer, it is Ceramic silicon rubber band A7 reinforced insulations, high temperature resistant, heat-insulated；
S3（IV）, using water blocking tape A8, double-deck half lap is on Ceramic silicon rubber band A7；
S4, cable core are wrapped, as shown in figure 5, specifically including following steps：
S4（I）, using high temperature resistant synthetic mica tape B9, half lap is around the cable core surface for having wrapped core connector, the wrapped number of plies
For 5 layers, high temperature resistant synthetic mica tape B9's act as high temperature resistant, insulation, heat-insulated；
S4（II）, using Ceramic silicon rubber band B10, half lap on high temperature resistant synthetic mica tape B9, the wrapped number of plies be 1
Layer, effect of the Ceramic silicon rubber with B10 be high temperature resistant, insulation, heat-insulated；
S 4（III）, using water blocking tape B11, double-deck half lap is on Ceramic silicon rubber band B10；
S4（IV）, using copper strips 12, half lap ensures 12 termination of copper strips and copper sheath 3 on Ceramic silicon rubber band B10
Connection, copper strips 12 is turning on copper sheath；
S4（V）, using copper wire 13, dredge and be wound on 12 surface of copper strips, end point is wrapped on copper sheath 3, and copper wire 13 strengthens copper sheath
Turn-on effect, it is ensured that conducting；
S（VI）, the end point that copper strips 12, copper wire 13 are contacted with copper sheath 3 installation press copper hose clamp 17, it is ensured that copper strips 12 and copper
Silk 13 is fitted closely with copper sheath 3, presses copper hose clamp 17 to fixed copper band and copper wire；
S5, pre- branch head low smoke and zero halogen injection forming：As shown in fig. 6, corresponding branch's head pressure is chosen according to cable model specification
Injecting molding die 14, pre- branch's head injection molding, injection molding component are carried out by process stipulation temperature, pressure and time
Branch head, as shown in Figure 7.
Claims (1)
- A kind of 1. first-born production. art of flexible mineral insulation fire prevention pre-branched cable branch, it is characterised in that：It comprises the following steps：Prepare before S1, branch's head crimping, specifically include following steps：S1（I）, by main cables（1）With branch cable（2）By drawing length segmentation；S1（II）, in branch cable（2）Twig connectors at divest copper sheath（3）, copper sheath（3）The length that divests be L5, and will Copper sheath（3）Two ends distinguish outside crimping, and polish smooth break corner burr；S1（III）, in main cables（1）Main line joint divest copper sheath（3）, copper sheath（3）The length that divests be L4, and will Copper sheath（3）The outside crimping of two ends, and polish smooth break corner burr；S1（IV）, divest main cables（1）, branch cable（2）Insulating layer at terminal stud（4）, branch cable（2）On expose copper conductor （15）Length be k, main cables（1）On expose copper conductor（15）Length be L3, and for longitudinal direction split；S2, core connector press：First by branch cable（2）In the copper conductor that exposes（15）Corresponding contact is in main cables respectively（1）On The copper conductor exposed（15）On, then using c-type card（16）Block the copper conductor being in contact（15）, c-type card is compressed with hydraulic tongs （16）, by branch cable（2）On the copper conductor that exposes（15）It is held in main cables（1）On the copper conductor that exposes（15）On, so that Form core connector；S3, core connector are wrapped, specifically include following steps：S3（I）, using high-temperature resistant polytetrafluoroethylmelt band（5）, the exposed copper conductor in double-deck half lap winding wire core joint；S3（II）, using high temperature resistant synthetic mica tape A（6）, half lap is around high-temperature resistant polytetrafluoroethylmelt band（5）On, lapping layer Number is 5 layers；S3（III）, using Ceramic silicon rubber band A（7）, half lap is around high temperature resistant synthetic mica tape A（6）On, the wrapped number of plies For 1 layer；S3（IV）, using water blocking tape A（8）, double-deck half lap is around Ceramic silicon rubber band A（7）On；S4, cable core are wrapped, specifically include following steps：S4（I）, using high temperature resistant synthetic mica tape B（9）, half lap is around the cable core surface for having wrapped core connector, lapping layer Number is 5 layers；S4（II）, using Ceramic silicon rubber band B（10）, half lap is around high temperature resistant synthetic mica tape B（9）On, the wrapped number of plies For 1 layer；S 4（III）, using water blocking tape B（11）, double-deck half lap is around Ceramic silicon rubber band B（10）On；S4（IV）, using copper strips（12）, half lap is around Ceramic silicon rubber band B（10）On, and ensure copper strips（12）Termination with Copper sheath（3）Connection；S4（V）, using copper wire（13）, dredge and be wound on copper strips（12）Surface, end point are wrapped in copper sheath（3）On；S（VI）, in copper strips（12）, copper wire（13）With copper sheath（3）Copper hose clamp is pressed in the end point installation of contact（17）, it is ensured that copper Band（12）And copper wire（13）With copper sheath（3）Fit closely；S5, pre- branch head low smoke and zero halogen injection forming：Corresponding branch's head injection molding mould is chosen according to cable model specification Tool（14）, pre- branch's head injection molding is carried out by process stipulation temperature, pressure and time, is molded into branch's head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001348.0A CN108010639B (en) | 2018-01-02 | 2018-01-02 | A kind of flexible mineral insulation fire prevention first-born production. art of pre-branched cable branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001348.0A CN108010639B (en) | 2018-01-02 | 2018-01-02 | A kind of flexible mineral insulation fire prevention first-born production. art of pre-branched cable branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108010639A true CN108010639A (en) | 2018-05-08 |
| CN108010639B CN108010639B (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810001348.0A Active CN108010639B (en) | 2018-01-02 | 2018-01-02 | A kind of flexible mineral insulation fire prevention first-born production. art of pre-branched cable branch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444484A (en) * | 2019-07-31 | 2019-11-12 | 天津大学 | Copper post cushion block and preparation method thereof with stress buffer and anisotropic conductive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247390A (en) * | 2013-04-15 | 2013-08-14 | 航天电工技术有限公司 | Compound insulation fireproof cable of pre-branch flexible mineral and manufacture method thereof |
| CN103489520A (en) * | 2013-09-28 | 2014-01-01 | 四川新蓉电缆有限责任公司 | Method for manufacturing anti-disengaging pre-forking copper core cable |
| CN206040237U (en) * | 2016-08-31 | 2017-03-22 | 成都大西洋线缆有限公司 | Branch cable fire prevention branch head in advance |
-
2018
- 2018-01-02 CN CN201810001348.0A patent/CN108010639B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247390A (en) * | 2013-04-15 | 2013-08-14 | 航天电工技术有限公司 | Compound insulation fireproof cable of pre-branch flexible mineral and manufacture method thereof |
| CN103489520A (en) * | 2013-09-28 | 2014-01-01 | 四川新蓉电缆有限责任公司 | Method for manufacturing anti-disengaging pre-forking copper core cable |
| CN206040237U (en) * | 2016-08-31 | 2017-03-22 | 成都大西洋线缆有限公司 | Branch cable fire prevention branch head in advance |
Non-Patent Citations (1)
| Title |
|---|
| 陶天宝: "矿物绝缘预制分支防火电缆的设计和制造", 《光纤与电缆及其应用技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444484A (en) * | 2019-07-31 | 2019-11-12 | 天津大学 | Copper post cushion block and preparation method thereof with stress buffer and anisotropic conductive |
| CN110444484B (en) * | 2019-07-31 | 2021-05-14 | 天津大学 | Copper column cushion block with stress buffering and anisotropic conductivity and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN108010639B (en) | 2019-08-13 |
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