CN105913904A - Flexible mineral insulated pre-branch fireproof cable - Google Patents
Flexible mineral insulated pre-branch fireproof cable Download PDFInfo
- Publication number
- CN105913904A CN105913904A CN201610390764.5A CN201610390764A CN105913904A CN 105913904 A CN105913904 A CN 105913904A CN 201610390764 A CN201610390764 A CN 201610390764A CN 105913904 A CN105913904 A CN 105913904A
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- CN
- China
- Prior art keywords
- branch
- cable
- insulation
- branch line
- trunk
- 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.)
- Granted
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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
- H01B7/009—Cables with built-in connecting points or with predetermined areas for making deviations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/07—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being of the same type but different sizes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a flexible mineral insulated pre-branch fireproof cable. The fireproof cable comprises a trunk cable. The trunk cable is connected to a branch line cable through a branch connection head. The branch connection head comprises a branch shell. The branch shell comprises an aluminum-alloy upper shell and an aluminum-alloy lower shell. One end of the branch shell is provided with an inlet corresponding to the trunk cable. The other end of the branch shell is provided with an outlet corresponding to the branch line cable. An aluminum sleeve connecting device is arranged in the branch shell. The aluminum sleeve connecting device comprises a copper pressing plate. The copper pressing plate fixes the trunk cable to a U-shaped copper die casting. The U-shaped copper die casting is provided with a branch cable hole corresponding to the branch line cable. And the U-shaped copper die casting is also provided with an insulation puncture device corresponding to the trunk cable and the branch line cable. The branch shell is provided with an insulation glue pouring hole. And the insulation glue pouring hole is provided with a thread sealing port.
Description
Technical field
The present invention relates to a kind of flexible mineral matter insulation pre-branch fireproof cable.
Background technology
In prior art, the joint of domestic mineral insulation branch cable typically uses the method manufacture of molding, it is i.e. that trunk cable and branch line cable cold are connected, then puts into injection mold by manufacturing the good branch joint insulated that do not does, use plastic injection equipment to mold insulation.The branch joint insulation so manufactured, the insulation thickness of molding is big, so that radiating condition is severe, separately uneven due to injection insulation thickness, causes outward appearance coarse；Further, the aluminum pipe fire-proof cladding that mineral insulated cable is had, need to block when doing branch and connecting, after main line and branch line connect, in addition it is also necessary to the main line aluminum pipe blocked and branch line aluminum pipe are connected, the most loaded down with trivial details and be difficult to ensure to electrically connect reliably；Also have thermoplastic molding insulation, easily burn and produce smog, being unfavorable for the fire protecting performance of branch cable joint.
The way that domestic mineral insulation multicore cable insulated wire cores conductor branch connects, general uses copper c-clip main line and tap conductor core to be colded pressing connection, then holds insulation.So, first have to strut 5 trunk cable insulated electric conductor cores bigger spacing during fabrication, the most respectively by 3 or 5 mains conductors core insulation strip ofves, to cold pressing be connected with the 3 of branch line cable or 5 conductor thread cores.Owing to the insulation of mineral insulated conductor core uses composite mica tape, strutting core stripping of insulatin and bother very much during making, crimping is also required to stretch into hydraulic tongs the insulated wire cores gap strutted and colds pressing connection.This mica insulation is the most impaired, and hands of spraining especially when holding insulation is inferior, also destroys the insulation system that cable core is original.Above-mentioned way is the most time-consuming, it is important that the operation of different workmans is difficult to ensure that the concordance of multiple joint, quality controllability extreme difference.
Therefore, develop a kind of fire safety, multi-way cable easy and simple to handle, become the problem needing solution badly for insider.
Summary of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of flexible mineral matter insulation pre-branch fireproof cable, solves above-mentioned technical problem.
For realizing above-mentioned technical purpose, the technical scheme is that and be achieved in that:
A kind of flexible mineral matter insulation pre-branch fireproof cable, including trunk cable, described trunk cable is connected by branch's union joint branch line cable；Described branch union joint includes branch's housing；Described branch housing includes aluminium alloy upper casing and aluminium alloy lower casing；One end of described branch housing is provided with the entrance corresponding with described trunk cable, and the other end of this branch's housing is provided with the outlet corresponding with described branch line cable；It is provided with aluminum set of connection devices in described branch housing；One end of described aluminum set of connection devices is fixing with described trunk cable to be connected, and the other end of this aluminum set of connection devices and described branch line cable are fixing is connected, described aluminum set of connection devices includes copper pressing plate, trunk cable is fixed on U-shaped copper die casting by described copper pressing plate, and described U-shaped copper die casting is additionally provided with the breakout cable hole corresponding with described branch line cable；It is additionally provided with the insulative pricking device corresponding with described trunk cable and branch line cable on described U-shaped copper die casting；Being provided with insulating cement glue filling opening on described branch housing, described insulating cement glue filling opening is provided with thread seal mouth.
Further, the two ends of described aluminium alloy lower casing are installed with the fixing metal sheeting corresponding with entrance and exit.
Further, described insulative pricking device includes on the upper pricker of corresponding with trunk cable trunk cable insulation and the trunk cable lower pricker of insulation and the branch line cable insulation corresponding with branch line cable pricker under pricker and branch line cable insulation.
Further, in described insulating cement glue filling opening, the insulating cement of perfusion uses ceramic silicon rubber composite.
Further, described branch housing is aluminum alloy material.
Beneficial effects of the present invention: operation is simple, good looking appearance；There is reliable trunk cable and branch line cable electrical connection ability；Waterproof, fire protecting performance good；Simplify the connection operation of main line and branch cable, and make cable insulation can complete to connect in the case of without strip off, damage risk to cable insulation when greatly reducing stripping of insulatin and hydraulic tongs crimping；Do not destroy original cable insulation structure, it is not necessary to lapped insulation, time saving and energy saving；Quality controllability and multiple joint concordance are strong；Improve work efficiency, prevent damage in insulation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of flexible mineral matter insulation pre-branch fireproof cable described according to embodiments of the present invention；
Fig. 2 is the internal structure schematic diagram according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 3 is the structural representation of the lower house according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 4 is the structural representation of the upper shell according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 5 is the generalized section of the branch's union joint according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 6 is the structure scheme of installation of the branch's union joint according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 7 is the structural representation of the branch's union joint according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1.
In figure:
1, U-shaped copper die casting；2, copper pressing plate；3, screw is pierced through in trunk cable insulation；4, branch line cable insulation pierces through screw；5, U-shaped insulation upper casing；6, U-shaped insulation lower casing；7, trunk cable；8, branch line cable；9, fixing metal sheeting；11, slotted eye；12, the lower pricker of trunk cable insulation；13, breakout cable hole；14, pricker under branch line cable insulation；15, screwed hole；31, the upper pricker of trunk cable insulation；41, pricker on branch line cable insulation；51, buckle；55, aluminium alloy upper casing；61, block button hole；62, insulating cement glue filling opening；63, thread seal mouth；66, aluminium alloy lower casing；67 screws；71, trunk cable insulation；72, trunk cable conductor；81, branch line cable insulation；82, branch line cable conductor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into the scope of protection of the invention.
As shown in figs. 1-7, a kind of flexible mineral matter insulation pre-branch fireproof cable described according to embodiments of the present invention, including trunk cable 7, described trunk cable 7 is connected by branch's union joint branch line cable 8；Described branch union joint includes branch's housing；Described branch housing includes aluminium alloy upper casing 55 and aluminium alloy lower casing 66；One end of described branch housing is provided with the entrance corresponding with described trunk cable 7, and the other end of this branch's housing is provided with the outlet corresponding with described branch line cable 8；It is provided with aluminum set of connection devices in described branch housing；One end of described aluminum set of connection devices is fixing with described trunk cable 7 to be connected, and the other end of this aluminum set of connection devices is fixing with described branch line cable 8 is connected, described aluminum set of connection devices includes copper pressing plate 2, trunk cable 7 is fixed on U-shaped copper die casting 1 by described copper pressing plate 2, and described U-shaped copper die casting 1 is additionally provided with the breakout cable hole 13 corresponding with described branch line cable 8；It is additionally provided with the insulative pricking device corresponding with described trunk cable 7 and branch line cable 8 on described U-shaped copper die casting 1；Being provided with insulating cement glue filling opening 62 on described branch housing, described insulating cement glue filling opening is provided with thread seal mouth 63.
Wherein, the two ends of described aluminium alloy lower casing 66 are installed with the fixing metal sheeting 9 corresponding with entrance and exit；Wherein, described insulative pricking device includes on the upper pricker 31 of corresponding with trunk cable trunk cable insulation and the trunk cable lower pricker 12 of insulation and the branch line cable insulation corresponding with branch line cable pricker 14 under pricker 41 and branch line cable insulation；Wherein, in described insulating cement glue filling opening 62, the insulating cement of perfusion uses ceramic silicon rubber composite；Wherein, described branch housing is aluminum alloy material.
Understand the technique scheme of the present invention for convenience, be described in detail below by way of technique scheme to the present invention in specifically used mode.
Trunk cable 7 is put into the U-shaped chamber of U-shaped copper die casting 1, and copper pressing plate 2 inserts slotted eye 11, and screw 3 is pierced through in rear screw-in trunk cable insulation, uses pressure spanner to be tightened to authorized pressure value.Now, under the pressure of screw, the upper pricker 31 of trunk cable insulation and the lower pricker 12 of trunk cable insulation pierce through trunk cable insulation 71 at upper and lower faces respectively, thrust trunk cable conductor 72, make trunk cable conductor 72 reliably link together with U-shaped copper die casting 1.
Branch line cable 8 is put into breakout cable hole 13, after in screwed hole 15, screw in branch line cable insulation pierce through screw 4, use pressure spanner to be tightened to authorized pressure value.Now, under the pressure of screw, on branch line cable insulation, under pricker 41 and branch line cable insulation, pricker 14 pierces through branch line cable insulation 81 at upper and lower faces respectively, thrusts branch line cable conductor 82, makes branch line cable conductor 82 reliably link together with U-shaped copper die casting 1.
Above-mentioned two steps will trunk cable conductor 72 and branch line cable conductor 82, linked together by U-shaped copper die casting 1 transition, set up electrical connection reliably.
Subsequently, the buckle 51 arranged on U-shaped insulation upper casing 5 is buckled in the block button hole 61 arranged on U-shaped insulation lower casing 6, to wrap up based on the aluminum set of connection devices of U-shaped copper die casting 1, fasten buckle 51 and block button hole 61 locking after putting in place, complete a complete branch joint.
Finally, aluminium alloy upper shell 55 buckling into the screw 67 arranged on Al-alloy casing 66 fasten, and pour into the insulation of ceramic silicon rubber composite to insulating cement glue filling opening 62, the ceramic silicon rubber composite poured in being allowed to housing insulation is closely knit, first-class insulating cement glue filling opening 62, completes this programme.
In sum, by means of the technique scheme of the present invention, operation can be simplified, and ensure good looking appearance；Reliable trunk cable and branch line cable electrical connection ability can be made it have；Its waterproof, fire protecting performance can be promoted；Can electrically connect in the case of not destroying insulation system, and without lapped insulation, time saving and energy saving；Controllability and the concordance of multiple joint of quality can be strengthened；Improve work efficiency, prevent damage in insulation.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. a flexible mineral matter insulation pre-branch fireproof cable, including trunk cable, it is characterised in that described trunk cable is connected by branch's union joint branch line cable；Described branch union joint includes branch's housing；Described branch housing includes aluminium alloy upper casing and aluminium alloy lower casing；One end of described branch housing is provided with the entrance corresponding with described trunk cable, and the other end of this branch's housing is provided with the outlet corresponding with described branch line cable；It is provided with aluminum set of connection devices in described branch housing；One end of described aluminum set of connection devices is fixing with described trunk cable to be connected, and the other end of this aluminum set of connection devices and described branch line cable are fixing is connected, described aluminum set of connection devices includes copper pressing plate, trunk cable is fixed on U-shaped copper die casting by described copper pressing plate, and described U-shaped copper die casting is additionally provided with the breakout cable hole corresponding with described branch line cable；It is additionally provided with the insulative pricking device corresponding with described trunk cable and branch line cable on described U-shaped copper die casting；Being provided with insulating cement glue filling opening on described branch housing, described insulating cement glue filling opening is provided with thread seal mouth.
A kind of flexible mineral matter insulation the most according to claim 1 pre-branch fireproof cable, it is characterised in that the two ends of described aluminium alloy lower casing are installed with the fixing metal sheeting corresponding with entrance and exit.
A kind of flexible mineral matter insulation the most according to claim 2 pre-branch fireproof cable, it is characterized in that, described insulative pricking device includes on the upper pricker of corresponding with trunk cable trunk cable insulation and the trunk cable lower pricker of insulation and the branch line cable insulation corresponding with branch line cable pricker under pricker and branch line cable insulation.
A kind of flexible mineral matter insulation the most according to claim 3 pre-branch fireproof cable, it is characterised in that in described insulating cement glue filling opening, the insulating cement of perfusion uses ceramic silicon rubber composite.
A kind of flexible mineral matter insulation the most according to claim 4 pre-branch fireproof cable, it is characterised in that described branch housing is aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390764.5A CN105913904B (en) | 2016-06-06 | 2016-06-06 | A kind of pre- branch's fireproof cable of flexible mineral matter insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390764.5A CN105913904B (en) | 2016-06-06 | 2016-06-06 | A kind of pre- branch's fireproof cable of flexible mineral matter insulation |
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| Publication Number | Publication Date |
|---|---|
| CN105913904A true CN105913904A (en) | 2016-08-31 |
| CN105913904B CN105913904B (en) | 2018-08-31 |
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| CN201610390764.5A Active CN105913904B (en) | 2016-06-06 | 2016-06-06 | A kind of pre- branch's fireproof cable of flexible mineral matter insulation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248423A (en) * | 2017-06-30 | 2017-10-13 | 浙江宏策电缆有限公司 | Multi-connector branch cable |
| CN107611634A (en) * | 2017-10-27 | 2018-01-19 | 江苏华鹏电缆股份有限公司 | A kind of branch cable attachment structure |
| CN107768843A (en) * | 2017-10-27 | 2018-03-06 | 江苏华鹏电缆股份有限公司 | A kind of five-core cable branch connecting structure |
| CN107959194A (en) * | 2017-11-16 | 2018-04-24 | 江门市高盟电业有限公司 | Wire component |
| CN108288775A (en) * | 2017-01-09 | 2018-07-17 | 王维金 | Cable integrated connector and the device being integrated and connected for cable |
| CN110233364A (en) * | 2018-03-06 | 2019-09-13 | 张春燕 | Multicore cable tapping device |
| CN112071486A (en) * | 2020-08-12 | 2020-12-11 | 福建恒汇电缆有限公司 | Insect and ant prevention protection long-life branch cable and manufacturing method thereof |
| CN113161072A (en) * | 2021-04-20 | 2021-07-23 | 涌纬集团股份有限公司 | Manufacturing method of pre-branch cable |
| CN113594806A (en) * | 2021-06-29 | 2021-11-02 | 宁波东方电缆股份有限公司 | Transition joint for connecting submarine cable and land cable |
| CN114255910A (en) * | 2021-12-28 | 2022-03-29 | 浙江卓众电力科技有限公司 | Pre-branch cable with branch hiding function |
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2016
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| JPH10144368A (en) * | 1996-11-13 | 1998-05-29 | Yazaki Corp | Connection structure of branch cable |
| CN201134283Y (en) * | 2007-12-27 | 2008-10-15 | 上海胜武电缆有限公司 | Inorganic mineral insulation fire preventing prefabricated branch cable |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288775B (en) * | 2017-01-09 | 2024-07-26 | 王维金 | Cable integrated connector and device for cable integrated connection |
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| CN107248423A (en) * | 2017-06-30 | 2017-10-13 | 浙江宏策电缆有限公司 | Multi-connector branch cable |
| CN107611634A (en) * | 2017-10-27 | 2018-01-19 | 江苏华鹏电缆股份有限公司 | A kind of branch cable attachment structure |
| CN107768843A (en) * | 2017-10-27 | 2018-03-06 | 江苏华鹏电缆股份有限公司 | A kind of five-core cable branch connecting structure |
| CN107959194A (en) * | 2017-11-16 | 2018-04-24 | 江门市高盟电业有限公司 | Wire component |
| CN110233364A (en) * | 2018-03-06 | 2019-09-13 | 张春燕 | Multicore cable tapping device |
| CN112071486A (en) * | 2020-08-12 | 2020-12-11 | 福建恒汇电缆有限公司 | Insect and ant prevention protection long-life branch cable and manufacturing method thereof |
| CN113161072B (en) * | 2021-04-20 | 2022-07-12 | 涌纬集团股份有限公司 | Manufacturing method of pre-branch cable |
| CN113161072A (en) * | 2021-04-20 | 2021-07-23 | 涌纬集团股份有限公司 | Manufacturing method of pre-branch cable |
| CN113594806A (en) * | 2021-06-29 | 2021-11-02 | 宁波东方电缆股份有限公司 | Transition joint for connecting submarine cable and land cable |
| CN113594806B (en) * | 2021-06-29 | 2023-12-05 | 宁波东方电缆股份有限公司 | Transition joint for connecting submarine cable and land cable |
| CN114255910A (en) * | 2021-12-28 | 2022-03-29 | 浙江卓众电力科技有限公司 | Pre-branch cable with branch hiding function |
| CN114255910B (en) * | 2021-12-28 | 2023-11-24 | 浙江卓众电力科技有限公司 | Pre-branching cable with branch hiding function |
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|---|---|
| CN105913904B (en) | 2018-08-31 |
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Effective date of registration: 20180716 Address after: 239400 Anhui Mingguang City Economic Development Zone, west of Qingping mountain road, south of eight Ridge Lake, north of Jiashan Avenue, east of Fu Shan Road. Applicant after: Huayuan high tech Cable Co., Ltd. Address before: 102611 Beijing Daxing District Wei Shan town Banbidian village committee North 2000 meters Applicant before: Beijing Hua Yuan high-tech Cable Co., Ltd |
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