CN203118602U - Armour prefabricated branch cable with copper-clad aluminum as conductor - Google Patents
Armour prefabricated branch cable with copper-clad aluminum as conductor Download PDFInfo
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- CN203118602U CN203118602U CN 201320109315 CN201320109315U CN203118602U CN 203118602 U CN203118602 U CN 203118602U CN 201320109315 CN201320109315 CN 201320109315 CN 201320109315 U CN201320109315 U CN 201320109315U CN 203118602 U CN203118602 U CN 203118602U
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Abstract
The utility model discloses an armour prefabricated branch cable with copper-clad aluminum as a conductor. Outer surface layers of a connection portion of a main cable conductor and a branch cable conductor of the prefabricated branch cable are peeled and are pressed and fixedly connected through a C-type connector. The connection portion of the main cable conductor and the branch cable conductor is provided with metal bands which are fixed to a main cable metal armour layer and a branch cable metal armour layer in a welded mode. Due to the armour structure, mechanical strength capacity and anti-corrosion capacity of the cable are effectively improved, a prefabricated branch connection body adopts injection molding process, the thickness of the cable formed in the injection molding process is larger that that of the cable in an extrusion molding process, therefore the whole cable has good bearing and insulation performance, after welding, gaps of the metal bands enable injection molding materials to conveniently and smoothly pass through, the injection molding materials are packed inside the branch connection body, the process is simple, one-shot injection molding is achieved, an inner protection layer is wrapped on the inner side of the armour layers of the prefabricated branch cable, and the occasion that an insulation layer is damaged by the metal armour layers is avoided.
Description
Technical field
The utility model belongs to the cables manufacturing technical field, especially belongs to a kind of cable branch joint manufacturing technology field, and being specially a kind of conductor is the armored prefabricated branch cable structure of copper cover aluminum.
Background technology
Prefabricated branch cable is present widely used low-voltage distribution branched line product, has advantages such as powering reliably, install simply, be easy to maintenance, is widely used in architectural engineerings such as Urban House building, business offices, megastore, hospital at present.But existing branch cable conductor mainly adopts the copper core conductor, because it is expensive, density big, cause purchase cost and installation cost to rise, resource is caused very big waste; Simultaneously, existing branch cable seldom adopts sheathed structure, and mechanical strength is not high, and anti-erosiveness is poor, is unsuitable for that the open air is laid, directly buried installation or the especially big environment of vertical range, and its field of employment is subjected to certain restriction.Therefore need a kind of mechanical strength height of development, price is low, the scope of application is wider prefabricated branch cable.
Present armored prefabricated branch cable general technology is immature or comparatively complicated, the one, disconnected, the damage situation of the normal appearance of welding armour, the integrality of armour and the insulative water-proof performance of cable have been influenced, or for guaranteeing branch's connector insulation property and armour performance, adopting the quadric injection mould moulding, branch's connector weight and volume increases, production efficiency is low, procedure of processing is loaded down with trivial details, influences attractive in appearancely, causes and uses and relevant inconvenience made from construction.Particularly need a kind of mechanical strength height, easy to process, prefabricated branch cable that the scope of application is wider for copper cover aluminum as the prefabricated branch cable of conductor.
Summary of the invention
The utility model discloses the armored prefabricated branch cable that a kind of conductor is copper cover aluminum according to the deficiencies in the prior art.Problem to be solved in the utility model provides a kind of conducting electricity very well, and price is low, the mechanical strength height, and the anti-strong a kind of conductor of erosiveness is the armored prefabricated branch cable of copper cover aluminum.
The utility model is achieved through the following technical solutions:
Conductor is the armored prefabricated branch cable of copper cover aluminum, comprise main cable conductor and branch cable conductor, main cable conductor outer surface is the main cable insulating barrier successively, the main cable sheath, main cable metal armouring layer and main cable outer jacket, branch cable conductor outer surface is the branch cable insulating barrier successively, the branch cable sheath, branch cable metal armouring layer and branch cable outer jacket, it is characterized in that: described main cable conductor and branch cable conductor coupling portion are all peeled off each outer surface layer and are connected and fixed by the pressing of C type connector, have metal tape and main cable metal armouring layer and the welding of branch cable metal armouring layer fixing at main cable conductor and branch cable conductor coupling portion.
Described metal tape axially is strip, many strip metals band around the connecting portion spaced set along cable.
Described main cable conductor and branch cable conductor coupling portion surface are the high-pressure molding insulating barriers, and high-pressure molding insulating barrier internal layer is that the insulation band watertight composition that forms is filled in the thermal expansion of passing through of metal tape parcel.
But described C type connector is the fastener of side's opening and opening pressing.
Armored prefabricated branch cable of the present utility model be with copper cover aluminum as main cable and branch cable conductor, taken full advantage of the advantage separately of copper and aluminium, have good conductivity 70%IACS, the little 3.63g/cm of density, characteristics such as price is low.
Insulation band watertight composition of the present utility model adopts has high resiliency double-sided insulation hot melt self-adhering material, still keeps good insulation performance performance, bending resistance and water resistance after injection moulding, and traditional relatively prefabricated branch cable is applicable to that more the open air lays; Prevent from simultaneously contacting conducting for the metal tape of welding with main cable conductor, C type connector or branch cable conductor.
Employing sheathed structure of the present utility model, effectively raise mechanical strength and the anti-erosiveness of cable, prefabricated branch connector adopts injection molding process, and thickness is thick than extrusion molding, therefore integral body also has good carrying and insulation property, the gap of welding back metal tape is convenient to injection molding material and is passed through smoothly, is encapsulated in branch connector inside, and technology is simple, single injection-molded, in copper cover aluminum prefabricated branch cable armour inboard, wrapped sheath prevents metal armouring layer damage insulating barrier.
The utility model product is prefabricated finishing in specialized factory, integrality and the continuity of metal armouring layer have been guaranteed, reduced site operation equipment, can be widely used in environment such as skyscraper, street lamp power supply, road lamp power supply, bridge, tunnel, Jing Kuang, also be suitable for directly buried installation or open air and lay.
Description of drawings
Fig. 1 is the armored prefabricated branch cable vertical section structure of the utility model schematic diagram;
Fig. 2 is the armored prefabricated branch cable partial schematic sectional view of the utility model;
Fig. 3 is each protective layer schematic diagram of the armored prefabricated branch cable main cable of the utility model;
Fig. 4 is that the armored prefabricated branch cable metal tape of the utility model is arranged enlarged diagram.
Among the figure, the 1st, main cable conductor, the 2nd, main cable outer jacket, the 3rd, main cable metal armouring layer, the 4th, main cable sheath, the 5th, main cable insulating barrier, the 6th, C type connector, the 7th, high-pressure molding insulating barrier, the 8th, branch cable conductor, the 9th, the branch cable insulating barrier, the 10th, branch cable sheath, the 11st, branch cable metal armouring layer, the 12nd, branch cable outer jacket, the 13rd, insulation band watertight composition, the 14th, metal tape.
Embodiment
Further describe below by the utility model of embodiment; present embodiment only is used for the utility model is further detailed; but can not be interpreted as the restriction to the utility model protection range, those skilled in the art can make the scope that some nonessential improvement and adjustment belong to the utility model protection according to above-mentioned content of the present utility model.
In conjunction with Fig. 1 to Fig. 3.
As shown in the figure, the armored prefabricated branch cable of copper clad aluminum conductor, comprise main cable conductor 1 and branch cable conductor 8, main cable conductor 1 outer surface is main cable insulating barrier 5 successively, main cable sheath 4, main cable metal armouring layer 3 and main cable outer jacket 2, branch cable conductor 8 outer surfaces are branch cable insulating barrier 9 successively, branch cable sheath 10, branch cable metal armouring layer 11 and branch cable outer jacket 12, main cable conductor 1 is all peeled off each outer surface layer and is connected and fixed by 6 pressings of C type connector with branch cable conductor 8 connecting portions, has metal tape 14 fixing with main cable metal armouring layer 3 and 11 welding of branch cable metal armouring layer at main cable conductor 1 and branch cable conductor 8 connecting portions.
Main cable conductor 1 is high-pressure molding insulating barriers 7 with branch cable conductor 8 connecting portion surfaces, and high-pressure molding insulating barrier 7 internal layers are that the insulation band watertight composition 13 that forms is filled in the thermal expansion of passing through of metal tape 14 parcels.
But C type connector 6 is fasteners of side's opening and opening pressing.
Fig. 1 is the armored prefabricated branch cable vertical section structure of the utility model schematic diagram; As shown in the figure, peeled off main cable outer jacket 2, main cable metal armouring layer 3, main cable sheath 4, the main cable conductor 1 of main cable insulating barrier 5 with peeled off branch cable outer jacket 12, branch cable metal armouring layer 11, branch cable sheath 10, the branch cable conductor 8 of branch cable insulating barrier 9 connects by 6 compressions of C type connector, metal tape 14 vertically connects the main cable metal armouring layer 3 of strip off or connects main cable metal armouring layer 3 and branch cable metal armouring layer 11, insulation band watertight composition 13 is positioned at the armour inboard that metal tape 14 forms, and whole armour connecting portion has high-pressure molding insulating barrier 7 parcels.
Fig. 2 is the armored prefabricated branch cable partial schematic sectional view of the utility model; Among the figure with high-pressure molding insulating barrier 7 and insulation band watertight composition 13 partly cut-aways to C type connector 6 shells, do not express metal tape 14, this figure is in order clearly to represent the syndeton of C type connector 6.
Fig. 3 is each protective layer schematic diagram of the armored prefabricated branch cable main cable of the utility model; Represent the structure composition of each protective layer among the figure, and represented the connection status of metal tape 14.
Fig. 4 is that the armored prefabricated branch cable metal tape 14 of the utility model is arranged enlarged diagram; The direction of arrow is that cable is axial among the figure, and metal tape 14 two ends are weldingly fixed on main cable metal armouring layer 3 or the branch cable metal armouring layer 11 (not expressing among the figure), the metal tape 14 of bar shaped equally spacedly along the cable axial rings around the connecting portion setting.
In the course of processing, at first peel off main cable outer jacket 2, main cable metal armouring layer 3, main cable sheath 4, main cable insulating barrier 5 and branch cable outer jacket 12, branch cable metal armouring layer 11, branch cable sheath 10, the branch cable insulating barrier 9 of suitable length, expose main cable conductor 1 and branch cable conductor 8.
With press moulding mode C type connector 6 is compressed with branch cable conductor 8 with main cable conductor 1 and to be connected, and it is reached and keep designing institute required pressure and intensity, do not damage cable conductor, the band watertight composition 13 that will insulate again is wrapped on C type connector, main cable conductor 1 and branch cable conductor 8.C type connector 6 is the annular material of an opening, and pressing is connected C type connector 6 openings under mould and extrusion equipment, and with main cable conductor 1 and branch cable conductor 8 pressing and fixing.
Finish through after the assay was approved in above-mentioned work, enter next bar production line, reach weld metal band 14 between branch cable armour 11 and the main cable armour before and after the main cable layer between the main cable armour 3 of two-section, metal tape 14 arranges that along the cable axis vertical many strip metals band 14 axially namely constitutes armour around connecting portion around cable.
Through after the assay was approved, enter next bar production line in above-mentioned work, front and back main cable armour 3 and branch cable armour 11 are made in order, be welded into an integral body.
After the assay was approved, in the injection mo(u)lding of armour connecting portion, form the high-pressure molding insulating barrier, metal tape armour layer control after the welding is in insulation band watertight composition 13 outsides, not influencing the injection moulding of high-pressure molding insulating barrier is connected with armour, guaranteed insulation property and the air-tightness of whole branch connector, the gap between many strip metals band 14 makes 13 thermal expansions of insulation band watertight composition not be subjected to spatial limitation, and it is more abundant, even to expand.
Claims (4)
1. armored prefabricated branch cable that conductor is copper cover aluminum, comprise main cable conductor (1) and branch cable conductor (8), main cable conductor (1) outer surface is main cable insulating barrier (5) successively, main cable sheath (4), main cable metal armouring layer (3) and main cable outer jacket (2), branch cable conductor (8) outer surface is branch cable insulating barrier (9) successively, branch cable sheath (10), branch cable metal armouring layer (11) and branch cable outer jacket (12), it is characterized in that: described main cable conductor (1) is all peeled off each outer surface layer and is connected and fixed by C type connector (6) pressing with branch cable conductor (8) connecting portion, has metal tape (14) fixing with main cable metal armouring layer (3) and branch cable metal armouring layer (11) welding at main cable conductor (1) and branch cable conductor (8) connecting portion.
2. conductor according to claim 1 is the armored prefabricated branch cable of copper cover aluminum, it is characterized in that: described metal tape (14) axially is strip, many strip metals band (14) around the connecting portion spaced set along cable.
3. conductor according to claim 1 and 2 is the armored prefabricated branch cable of copper cover aluminum, it is characterized in that: described main cable conductor (1) is high-pressure molding insulating barrier (7) with branch cable conductor (8) connecting portion surface, and high-pressure molding insulating barrier (7) internal layer is that the insulation band watertight composition (13) that forms is filled in the thermal expansion of passing through of metal tape (14) parcel.
4. conductor according to claim 3 is the armored prefabricated branch cable of copper cover aluminum, it is characterized in that: described C type connector (6) but be the fastener of side's opening and opening pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320109315 CN203118602U (en) | 2013-03-12 | 2013-03-12 | Armour prefabricated branch cable with copper-clad aluminum as conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320109315 CN203118602U (en) | 2013-03-12 | 2013-03-12 | Armour prefabricated branch cable with copper-clad aluminum as conductor |
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| CN203118602U true CN203118602U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320109315 Expired - Fee Related CN203118602U (en) | 2013-03-12 | 2013-03-12 | Armour prefabricated branch cable with copper-clad aluminum as conductor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105723564A (en) * | 2013-10-25 | 2016-06-29 | 自动电缆管理有限公司 | Electrical connection bracket for a motor-vehicle electrical system line |
| CN109003709A (en) * | 2018-08-02 | 2018-12-14 | 四川韦克电缆有限公司 | A kind of flexible prefabricated branch's head of rigidity mineral insulated cable |
| CN114883031A (en) * | 2022-05-27 | 2022-08-09 | 四川蓝电电缆科技有限公司 | Outdoor prefabricated branch cable connector and manufacturing method thereof |
| US12015375B2 (en) | 2014-09-09 | 2024-06-18 | Shoals Technologies Group, Llc | Lead assembly for connecting solar panel arrays to inverter |
-
2013
- 2013-03-12 CN CN 201320109315 patent/CN203118602U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105723564A (en) * | 2013-10-25 | 2016-06-29 | 自动电缆管理有限公司 | Electrical connection bracket for a motor-vehicle electrical system line |
| CN105723564B (en) * | 2013-10-25 | 2018-11-27 | 自动电缆管理有限公司 | The electrical connection bracket of automobile circuit network line |
| US12015375B2 (en) | 2014-09-09 | 2024-06-18 | Shoals Technologies Group, Llc | Lead assembly for connecting solar panel arrays to inverter |
| US12015376B2 (en) | 2014-09-09 | 2024-06-18 | Shoals Technologies Group, Llc | Lead assembly for connecting solar panel arrays to inverter |
| CN109003709A (en) * | 2018-08-02 | 2018-12-14 | 四川韦克电缆有限公司 | A kind of flexible prefabricated branch's head of rigidity mineral insulated cable |
| CN114883031A (en) * | 2022-05-27 | 2022-08-09 | 四川蓝电电缆科技有限公司 | Outdoor prefabricated branch cable connector and manufacturing method thereof |
| CN114883031B (en) * | 2022-05-27 | 2023-11-10 | 四川蓝电电缆科技有限公司 | Outdoor prefabricated branch cable connector and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20210312 |