CN108010639B - A kind of flexible mineral insulation fire prevention first-born production. art of pre-branched cable branch - Google Patents
A kind of flexible mineral insulation fire prevention first-born production. art of pre-branched cable branch Download PDFInfo
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- CN108010639B CN108010639B CN201810001348.0A CN201810001348A CN108010639B CN 108010639 B CN108010639 B CN 108010639B CN 201810001348 A CN201810001348 A CN 201810001348A CN 108010639 B CN108010639 B CN 108010639B
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- copper
- branch
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- 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 flexible mineral insulation fire prevention first-born production. arts of pre-branched cable branch, it before S1, branch's head crimping the following steps are included: prepare；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.It is connected the beneficial effects of the present invention are: production technology is easy, insulated heat fire resisting multilayer is wrapped, insulating refractory excellent effect, cable core is prevented to be punctured, ensures copper sheath.
Description
Technical field
The present invention relates to the technical field of the fire prevention first-born production of pre-branched cable branch, especially a kind of flexible mineral insulation is anti-
The fiery first-born production. art of pre-branched cable branch.
Background technique
Pre-branched cable use scope: it is public that pre-branched cable is widely used in residential building, office building, office building, large size
The more intensive place of the populations such as place.It is domestic in recent years repeatedly to have occurred the generation fire phenomena such as skyscraper, mall, fire
Cause lighting circuit to power off and elevator phenomenon out of service, power supply can not normal transmission, cause difficulty to escape, give the people raw
Life and property cause heavy losses, and therefore, fireproof importance gradually highlights.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides that a kind of production technology is easy, insulated heat fire resisting
Pre- point of the flexible mineral insulation fire prevention that multilayer is wrapped, insulating refractory excellent effect, cable core is prevented to be punctured, ensures 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 the following steps are included:
Prepare before S1, branch's head crimping, specifically includes the following steps:
S1(I), main cables and branch cable are pressed into drawing length segmentation；
S1(II), copper sheath is stripped at the twig connectors of branch cable, the length that strips of copper sheath is L5, and by copper sheath
Two ends distinguish outside crimping, and polish smooth break corner burr；
S1(III), copper sheath is stripped in the main line joint of main cables, the length that strips of copper sheath is L4, and copper is protected
The outside crimping of the two ends of set, and polish smooth break corner burr；
S1(IV), main cables, the insulating layer at branch cable terminal stud are stripped, the length that copper conductor is exposed on branch cable is
K, the length that copper conductor is exposed in main cables is L3, and is splitted to be longitudinal；
S2, core connector press: the copper conductor exposed in branch cable first being respectively corresponded what contact was exposed in main cables
On copper conductor, then c-type card is used to block the copper conductor being in contact, compresses c-type card, the copper that will expose on branch cable with hydraulic tongs
Conductor is held on the copper conductor exposed in main cables, to form core connector；
S3, core connector are wrapped, specifically includes the following steps:
S3(I), using high-temperature resistant polytetrafluoroethylmelt band, the exposed copper conductor in the double-deck half lap winding wire core joint；
S3(II), using high temperature resistant synthetic mica tape A, half lap is on high-temperature resistant polytetrafluoroethylmelt band, the wrapped number of plies
It is 5 layers；
S3(III), using Ceramic silicon rubber band A, for half lap on high temperature resistant synthetic mica tape A, the wrapped number of plies is 1
Layer；
S3(IV), using water blocking tape A, the double-deck half lap is on Ceramic silicon rubber band A；
S4, cable core are wrapped, specifically includes the following steps:
S4(I), using high temperature resistant synthetic mica tape B, half lap is around the cable core surface for having wrapped core connector, wrapping layer
Number is 5 layers；
S4(II), using Ceramic silicon rubber band B, for half lap on high temperature resistant synthetic mica tape B, the wrapped number of plies is 1
Layer；
S 4(III), using water blocking tape B, the double-deck half lap is on Ceramic silicon rubber band B；
S4(IV), using copper strips, half lap ensures that copper strips end and copper sheath connect on Ceramic silicon rubber band B
It connects；
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 with
Copper sheath fits closely；
S5, pre- branch head low smoke and zero halogen injection forming: according to cable model specification choose corresponding branch head pressure injection at
Pattern tool carries out pre- branch's head injection molding by process stipulation temperature, pressure and time, is molded into branch's head.
The invention has the following advantages that 1, copper sheath section flange grinding process；2, multilayer is wrapped, reinforced insulation and every
Heat, refractory technology；3, copper strips, copper wire double insurance ensure that copper sheath is connected, and guarantee certain flexibility；Copper strips copper wire end and copper
Sheath is closely connected as one by hose clamp；4, orange low smoke halogen-free sheath material, injection molding branch are molded using low viscosity
Head.
Detailed description of the invention
Fig. 1 is the schematic diagram for removing copper sheath；
Fig. 2 stripping insulation layer, outer volume copper sheath side schematic diagram；
Fig. 3 is that core connector presses schematic diagram；
Fig. 4 is the wrapped schematic diagram of core connector；
Fig. 5 is the wrapped schematic diagram of cable core；
Fig. 6 is to be put into the schematic diagram after mold after cable core is wrapped；
Fig. 7 is the structural schematic diagram of finished product flexible mineral insulation fire prevention pre-branched cable branch head；
In figure, 1- main cables, 2- branch cable, 3- copper sheath, 4- insulating layer, 5- high-temperature resistant polytetrafluoroethylmelt band, the resistance to height of 6-
Warm synthetic mica tape A, 7- Ceramic silicon rubber band A, 8- water blocking tape A, 9- high temperature resistant synthetic mica tape B, 10- Ceramic silicon rubber
Band B, 11- water blocking tape B, 12- copper strips, 13- copper wire, 14- molding die, 15- copper conductor.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, and protection scope of the present invention is not limited to as described below:
A kind of flexible mineral insulation is prevented fires the first-born production. art of pre-branched cable branch, it the following steps are included:
Prepare before S1, branch's head crimping, specifically includes the 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 stripped at the twig connectors of branch cable 2, copper sheath 3 strips length
For 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 resistance breakdown and point discharge；
S1(III), as shown in Figure 1 and 2, copper sheath 3 is stripped in the main line joint of main cables 1, copper sheath 3 strips length
Degree is L4, and by the outside crimping of the two ends of copper sheath 3, and polishes smooth break corner burr, to avoid pierce through, insulation of running over and injure
Layer prevents pressure resistance breakdown and point discharge；
S1(IV), main cables 1, the insulating layer 4 at 2 terminal stud of branch cable are stripped, expose copper conductor 15 on branch cable 2
Length is k, and the length that copper conductor 15 is exposed in main cables 1 is L3, and is splitted to be longitudinal；
S2, core connector press: as shown in figure 3, the copper conductor 15 exposed in branch cable 2 is first respectively corresponded contact in master
On the copper conductor 15 exposed on cable 1, then c-type card 16 is used to block the copper conductor 15 being in contact, compresses c-type card with hydraulic tongs
16, the copper conductor 15 exposed on branch cable 2 is held on the copper conductor 15 exposed in main cables 1, is connect to form core
Head；
S3, core connector are wrapped, as shown in figure 4, specifically includes the following steps:
S3(I), using high-temperature resistant polytetrafluoroethylmelt band 5, the exposed copper conductor in the double-deck half lap winding wire core joint, resistance to height
Warm polytetrafluoroethylene tape 5 is using as high-temperature insulation；
S3(II), using high temperature resistant synthetic mica tape A6, half lap is on high-temperature resistant polytetrafluoroethylmelt band 5, wrapping layer
Number is 5 layers, and high temperature resistant synthetic mica tape A6 has the characteristics that insulation, high temperature resistant, heat-insulated；
S3(III), using Ceramic silicon rubber band A7, half lap is on high temperature resistant synthetic mica tape A6, the wrapped number of plies
It is 1 layer, it is Ceramic silicon rubber band A7 reinforced insulation, high temperature resistant, heat-insulated；
S3(IV), using water blocking tape A8, the double-deck half lap is on Ceramic silicon rubber band A7；
S4, cable core are wrapped, as shown in figure 5, specifically includes the following steps:
S4(I), using high temperature resistant synthetic mica tape B9, half lap is wrapped around the cable core surface for having wrapped core connector
The number of plies is 5 layers, and the effect of high temperature resistant synthetic mica tape B9 is high temperature resistant, insulation, heat-insulated；
S4(II), using Ceramic silicon rubber band B10, half lap is on high temperature resistant synthetic mica tape B9, the wrapped number of plies
It is 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, the double-deck half lap is on Ceramic silicon rubber band B10；
S4(IV), using copper strips 12, half lap ensures 12 end of copper strips and copper on Ceramic silicon rubber band B10
Sheath 3 connects, and copper strips 12 is to be connected 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 enhances copper
Sheath turn-on effect, it is ensured that conducting；
S(VI), in the end point that copper strips 12, copper wire 13 are contacted with copper sheath 3, copper hose clamp 17 is pressed in installation, it is ensured that copper strips 12
It is fitted closely with copper wire 13 and 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, choosing corresponding branch's head according to cable model specification
Injection molding mold 14 carries out pre- branch's head injection molding, injection molding by process stipulation temperature, pressure and time
At branch's head, as shown in Figure 7.
Claims (1)
- The first-born production. art of pre-branched cable branch 1. a kind of flexible mineral insulation is prevented fires, it is characterised in that: it the following steps are included:Prepare before S1, branch's head crimping, specifically includes the following steps:S1(I), main cables (1) and branch cable (2) are pressed into drawing length segmentation；S1(II), stripped at the twig connectors of branch cable (2) copper sheath (3), the length that strips of copper sheath (3) is L5, and will Copper sheath (3) two ends distinguish outside crimping, and polish smooth break corner burr；S1(III), stripped copper sheath (3) in the main line joint of main cables (1), the length that strips of copper sheath (3) is L4, and will The outside crimping of two ends of copper sheath (3), and polish smooth break corner burr；S1(IV), main cables (1), the insulating layer (4) at branch cable (2) terminal stud are stripped, branch cable exposes copper conductor on (2) (15) length is k, and the length that copper conductor (15) are exposed in main cables (1) is L3, and is splitted to be longitudinal；S2, core connector press: the copper conductor (15) exposed in branch cable (2) first being respectively corresponded contact on main cables (1) On the copper conductor (15) of exposing, then c-type card (16) is used to block the copper conductor (15) being in contact, compresses c-type card with hydraulic tongs (16), the copper conductor (15) exposed on branch cable (2) is held on the copper conductor (15) exposed on main cables (1), thus Form core connector；S3, core connector are wrapped, specifically includes the following steps:S3(I), using high-temperature resistant polytetrafluoroethylmelt band (5), the exposed copper conductor in the double-deck half lap winding wire core joint；S3(II), using high temperature resistant synthetic mica tape A(6), half lap is on high-temperature resistant polytetrafluoroethylmelt band (5), wrapping 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 It is 1 layer；S3(IV), using water blocking tape A(8), the double-deck half lap is around Ceramic silicon rubber band A(7) on；S4, cable core are wrapped, specifically includes the 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, wrapping 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 It is 1 layer；S 4(III), using water blocking tape B(11), the double-deck half lap is around Ceramic silicon rubber band B(10) on；S4(IV), using copper strips (12), half lap ensures copper strips (12) end and copper sheath (3) on water blocking tape B(11) Connection；S4(V), using copper wire (13), dredge and be wound on copper strips (12) surface, end point is wrapped on copper sheath (3)；S(VI), in the end point that copper strips (12), copper wire (13) are contacted with copper sheath (3), copper hose clamp (17) are pressed in installation, it is ensured that copper Band (12) and copper wire (13) are fitted closely with copper sheath (3)；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 Have (14), carries out pre- branch's head injection molding by process stipulation temperature, pressure and time, be 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 |
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| 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 |
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| Publication Number | Publication Date |
|---|---|
| CN108010639A CN108010639A (en) | 2018-05-08 |
| CN108010639B true CN108010639B (en) | 2019-08-13 |
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| 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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| 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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| CN103247390B (en) * | 2013-04-15 | 2016-08-31 | 航天电工集团有限公司 | A kind of pre-branch flexible mineral compound insulation fireproof cable and preparation method thereof |
| CN103489520B (en) * | 2013-09-28 | 2015-12-23 | 四川新蓉电缆有限责任公司 | A kind of slip-off preventing pays the preparation method of copper core cable in advance |
| 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 |
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