CN103762542A - Copper shell of cable intermediate joint - Google Patents
Copper shell of cable intermediate joint Download PDFInfo
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- CN103762542A CN103762542A CN201310613021.6A CN201310613021A CN103762542A CN 103762542 A CN103762542 A CN 103762542A CN 201310613021 A CN201310613021 A CN 201310613021A CN 103762542 A CN103762542 A CN 103762542A
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- copper pipe
- copper
- shell
- flange
- intermediate joint
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Abstract
The invention relates to a copper shell of a cable intermediate joint. The copper shell is formed by two portions which are capable of being connected together. The two portions are a left copper shell body and a right copper shell body. The left copper shell body comprises an inner copper tube, an outer copper tube and insulating layers arranged on the outer surface of the inner copper tube and the inner surface and the outer surface of the outer copper tube. The outer diameter of the inner copper tube is smaller than the inner diameter of the outer copper tube. One end of the inner copper tube is fixedly connected with one end of the outer copper tube through the insulating layers, but the inner copper tube is not in electrical connection with the outer copper tube. The right copper shell body comprises a right copper tube and an insulating layer arranged on the outer surface of the right copper tube. One end, away from the inner copper tube, of the outer copper tube and one end of the right copper tube are provided with connecting devices. Through the technical scheme, the copper shell can improve the shielding effect of the cable joint and is convenient to operate.
Description
Technical field
The invention belongs to electric field, specifically refer to a kind of for crosslinked cable intermediate connector outside shielding copper shell.
Background technology
When the installation of long distance wiring or cable, the means that conventionally two cables will be connected together improve the length of cable.In cable, except including wire, conventionally also to include the insulating protective layer of screen and outside.When carrying out cable connection, must destroy screen and the insulating protective layer of junction.
For the insulating barrier of cable, as long as insulating tape etc. can be realized to insulation processing, but be not easy to realize with the protection intensity of junction.In addition, most important screen is very difficult to process, therefore, existing technology adopts the way of wearing helmet shell to cable junction to realize the processing to the intensity at cable joint place and screen, but the existing helmet shell volume of using is large, uses inconvenient, and cannot reach the shield effectiveness of former cable, in joint, be easily subject to external influence, and then have influence on whole system, even sometimes whole system is brought to harm.
Summary of the invention
Of the present invention being to provide a kind ofly can be improved the shield effectiveness at cable joint position for copper skinning technique scheme for crosslinked cable intermediate connector outside shielding by the technical program, and convenient operation.
The present invention is achieved by the following technical solutions:
A cable intermediate joint copper shell, is comprised of the two parts that can connect together, and is respectively left side copper shell and right side copper shell; The insulating barrier that described left side copper shell includes interior copper pipe, outer copper pipe and is arranged at interior copper pipe outer surface and outer copper pipe surfaces externally and internally; The external diameter of described interior copper pipe is less than the internal diameter of outer copper pipe, one end of interior copper pipe and one end of outer copper pipe by insulating barrier, be fixedly connected with but in copper pipe with outer copper pipe without being electrically connected to;
Described right side copper shell includes right copper pipe, is arranged at the insulating barrier of right copper pipe outer surface;
Described outer copper pipe and interior copper pipe away from one end and one end of right copper pipe be provided with jockey.
On the copper shell of described left side, be provided with two grounding legs, one side being connected with outer copper pipe with interior copper pipe respectively of two grounding legs, the another side of two grounding legs is used for connecting earth connection.
Described jockey is comprised of flange outer sleeve and flange inner sleeve, and flange outer sleeve and flange inner sleeve are fixedly attached to respectively the end of outer copper pipe and right copper pipe.
Described flange inner sleeve and flange outer sleeve are cylinder mode, and wherein, flange inner sleeve includes stiff end and link, and stiff end is fixedly connected with copper shell, and link is for connecting with flange outer sleeve; The stiff end of described flange inner sleeve and the outer surface of link are L-shaped; The external diameter of stiff end is greater than the external diameter of link; Outer surface at link is provided with at least two grooves; The internal diameter of described flange outer sleeve is greater than the external diameter of flange inner sleeve link, is radially provided with screwed hole in flange outer sleeve, and described screwed hole matches with the groove of flange inner sleeve link.
The insulating barrier of described left side copper shell is structure as a whole.
One end of described interior copper pipe extend into one end of outer copper pipe, and the axial cross section that is arranged at the left side copper shell of the insulating barrier between interior copper pipe outer surface and outer copper pipe inner surface is U-shaped.
It is exposed layer that described interior copper pipe all has part outer surface away from one end of outer copper pipe and right copper pipe away from the side surface of one end of jockey, is not insulated layer and covers.
The relative side of jockey of described right copper pipe is set to throat structure, and the connecting copper pipe that is less than the little copper pipe of right copper pipe internal diameter and is connected right copper pipe and little copper pipe by an external diameter forms; The outside diameter of cable that the internal diameter of described little copper pipe passes with it matches.
On described right copper pipe, be provided with encapsulating mouth, for insulating material being poured into the inner space of copper shell, with attached cable transition joint and copper shell.
Described interior copper pipe matches with the outside diameter of cable coordinating with it away from one end internal diameter of outer copper pipe.
The invention has the beneficial effects as follows:
By technical scheme of the present invention, can improve the shield effectiveness at cable joint position, and convenient operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of copper shell of the present invention;
Fig. 2 is the left view of copper shell of the present invention.
Embodiment
Describe by the following examples technical scheme of the present invention in detail, should be understood that, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not to be interpreted as is the restriction to technical solution of the present invention.
As depicted in figs. 1 and 2, a kind of cable intermediate joint copper shell, while connecting for two cables, shields and booster action junction.
Copper shell is comprised of the two parts that can connect together, and is respectively left side copper shell and right side copper shell; In use, first by left side copper shell and right side copper shell respectively through two cable ends to be connected, carry out cable connection and insulate after left side copper shell is connected with right side copper shell.
The insulating barrier 3 that described left side copper shell includes interior copper pipe 1, outer copper pipe 5 and is arranged at interior copper pipe outer surface and outer copper pipe surfaces externally and internally, the insulating barrier of described left side copper shell is structure as a whole.The internal diameter of interior copper pipe 1 matches for the cable penetrating with it, and the inside of outer copper pipe 5 is for holding the blank area structure of two cables.
The external diameter of described interior copper pipe 1 is less than the internal diameter of outer copper pipe 5, one end of interior copper pipe and one end of outer copper pipe by insulating barrier, be fixedly connected with but in copper pipe with outer copper pipe without being electrically connected to.And the tube wall of interior copper pipe 1 is thinner than the tube wall of outer copper pipe 5.
Described right side copper shell includes right copper pipe 8, is arranged at the insulating barrier 9 of right copper pipe outer surface; The tube wall of right copper pipe 8 is identical with the tube wall of outer copper pipe 5, and copper pipe has identical shield effectiveness with in the formed space of right copper pipe so outside, favourable to the shielding at whole cable joint position like this.
Described outer copper pipe 5 and interior copper pipe away from one end and one end of right copper pipe 8 be provided with jockey.Described jockey is comprised of flange outer sleeve 7 and flange inner sleeve 6, and flange outer sleeve 7 and flange inner sleeve 6 are fixedly attached to respectively the end of right copper pipe 8 and outer copper pipe 5.
Described flange inner sleeve and flange outer sleeve are cylinder mode, and wherein, flange inner sleeve includes stiff end and link, and stiff end is fixedly connected with copper shell, and link is for connecting with flange outer sleeve; The stiff end of described flange inner sleeve and the outer surface of link are L-shaped; The external diameter of stiff end is greater than the external diameter of link; Outer surface at link is provided with at least two grooves; The internal diameter of described flange outer sleeve is greater than the external diameter of flange inner sleeve link, is radially provided with screwed hole 71 in flange outer sleeve, and described screwed hole 71 matches with the groove of flange inner sleeve 6 links.
One end of described interior copper pipe 1 extend into one end of outer copper pipe 5, and the axial cross section that is arranged at the left side copper shell of the insulating barrier between interior copper pipe outer surface and outer copper pipe inner surface is U-shaped.
It is exposed layer that described interior copper pipe all has part outer surface away from one end of outer copper pipe and right copper pipe away from the side surface of one end of jockey, is not insulated layer and covers.
The relative side of jockey of described right copper pipe is set to throat structure, and the connecting copper pipe 12 that is less than the little copper pipe 10 of right copper pipe internal diameter and is connected right copper pipe and little copper pipe by an external diameter forms; The outside diameter of cable that the internal diameter of described little copper pipe passes with it matches.
On described right copper pipe 8, be provided with encapsulating mouth 11, in the present embodiment, have two encapsulating mouths, two encapsulating mouths are kidney-shaped structure not all, for insulating material being poured into the inner space of copper shell, with attached cable transition joint and copper shell.
On the copper shell of left side, be provided with two grounding legs, one end of two grounding legs is connected with outer copper pipe with interior copper pipe respectively, and the other end is for connecting with earth connection.
Each grounding leg includes copper rod (2,4) and is wrapped in the insulating barrier 3 outside copper rod; Described two grounding legs are L shaped, and the one side wherein connecting for same earth connection is parallel with the center line of copper shell, the surface of the vertical copper shell in one side being connected with copper shell.
Described copper rod (2,4) is L shaped, with a copper pipe of copper shell connect on one side, another side is for earth connection pressing; In described copper rod, for the end on one side of same earth connection pressing wrap insulate layer not, remainder is enclosed with insulating barrier; In copper rod, for one side of same earth connection pressing, the wall thickness of the insulating barrier of the copper rod part of approaching not wrap insulate layer is less than the wall thickness of other parts insulating barrier; On the copper rod of described not wrap insulate layer, be provided with at least one circle groove, the cross-sectional centerline of described groove is perpendicular to the center line of copper rod.
Claims (10)
1. a cable intermediate joint copper shell, is characterized in that: the two parts that can connect together, consist of, be respectively left side copper shell and right side copper shell; The insulating barrier that described left side copper shell includes interior copper pipe, outer copper pipe and is arranged at interior copper pipe outer surface and outer copper pipe surfaces externally and internally; The external diameter of described interior copper pipe is less than the internal diameter of outer copper pipe, one end of interior copper pipe and one end of outer copper pipe by insulating barrier, be fixedly connected with but in copper pipe with outer copper pipe without being electrically connected to;
Described right side copper shell includes right copper pipe, is arranged at the insulating barrier of right copper pipe outer surface;
Described outer copper pipe and interior copper pipe away from one end and one end of right copper pipe be provided with jockey.
2. cable intermediate joint copper shell according to claim 1, it is characterized in that: on the copper shell of described left side, be provided with two grounding legs, one side of two grounding legs is connected with outer copper pipe with interior copper pipe respectively, and the another side of two grounding legs is used for connecting earth connection.
3. cable intermediate joint copper shell according to claim 1, is characterized in that: described jockey is comprised of flange outer sleeve and flange inner sleeve, and flange outer sleeve and flange inner sleeve are fixedly attached to respectively the end of outer copper pipe and right copper pipe.
4. cable intermediate joint copper shell according to claim 3, it is characterized in that: described flange inner sleeve and flange outer sleeve are cylinder mode, wherein, flange inner sleeve includes stiff end and link, stiff end is fixedly connected with copper shell, and link is for connecting with flange outer sleeve; The stiff end of described flange inner sleeve and the outer surface of link are L-shaped; The external diameter of stiff end is greater than the external diameter of link; Outer surface at link is provided with at least two grooves; The internal diameter of described flange outer sleeve is greater than the external diameter of flange inner sleeve link, is radially provided with screwed hole in flange outer sleeve, and described screwed hole matches with the groove of flange inner sleeve link.
5. cable intermediate joint copper shell according to claim 1, is characterized in that: the insulating barrier of described left side copper shell is structure as a whole.
6. cable intermediate joint copper shell according to claim 1, it is characterized in that: one end of described interior copper pipe extend into one end of outer copper pipe, the axial cross section that is arranged at the left side copper shell of the insulating barrier between interior copper pipe outer surface and outer copper pipe inner surface is U-shaped.
7. cable intermediate joint copper shell according to claim 1, is characterized in that: it is exposed layer that described interior copper pipe all has part outer surface away from one end of outer copper pipe and right copper pipe away from the side surface of one end of jockey, is not insulated layer and covers.
8. according to the cable intermediate joint copper shell described in claim 1 or 7, it is characterized in that: the relative side of jockey of described right copper pipe is set to throat structure, the connecting copper pipe that is less than the little copper pipe of right copper pipe internal diameter and is connected right copper pipe and little copper pipe by an external diameter forms; The outside diameter of cable that the internal diameter of described little copper pipe passes with it matches.
9. cable intermediate joint copper shell according to claim 1, is characterized in that: on described right copper pipe, be provided with encapsulating mouth, for insulating material being poured into the inner space of copper shell, with attached cable transition joint and copper shell.
10. according to claim 1 or 6 or described cable intermediate joint copper shell, it is characterized in that: described interior copper pipe matches with the outside diameter of cable coordinating with it away from one end internal diameter of outer copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613021.6A CN103762542A (en) | 2013-11-26 | 2013-11-26 | Copper shell of cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613021.6A CN103762542A (en) | 2013-11-26 | 2013-11-26 | Copper shell of cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103762542A true CN103762542A (en) | 2014-04-30 |
Family
ID=50529734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310613021.6A Pending CN103762542A (en) | 2013-11-26 | 2013-11-26 | Copper shell of cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103762542A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185462A (en) * | 2015-10-20 | 2015-12-23 | 宁波东昊电缆附件有限公司 | 110kV epoxy type insulation copper housing |
| CN105219024A (en) * | 2015-10-20 | 2016-01-06 | 宁波东昊电缆附件有限公司 | 220kV epoxy type insulated copper shell |
| CN105305364A (en) * | 2015-10-20 | 2016-02-03 | 宁波东昊电缆附件有限公司 | Copper housing of 110kV straight joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06105442A (en) * | 1992-08-07 | 1994-04-15 | Sekisui Chem Co Ltd | Power cable connection protective tube |
| CN2593429Y (en) * | 2002-10-24 | 2003-12-17 | 上海三原电缆附件公司 | Ultrahigh voltage cablejoint sealing protection box |
| CN2609251Y (en) * | 2003-03-24 | 2004-03-31 | 中铁电气化局集团第三工程有限公司电务分公司 | Cold enclosed cable underground connection device |
| CN201303064Y (en) * | 2008-12-08 | 2009-09-02 | 江苏安靠超高压电缆附件有限公司 | Protective sleeve for connection joints of cable |
| CN203398736U (en) * | 2013-06-24 | 2014-01-15 | 苏州六维电力科技有限公司 | Cross-linked cable intermediate joint protection casing |
| CN203415706U (en) * | 2013-09-02 | 2014-01-29 | 宁波东昊电缆附件有限公司 | High-voltage cable intermediate joint |
-
2013
- 2013-11-26 CN CN201310613021.6A patent/CN103762542A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06105442A (en) * | 1992-08-07 | 1994-04-15 | Sekisui Chem Co Ltd | Power cable connection protective tube |
| CN2593429Y (en) * | 2002-10-24 | 2003-12-17 | 上海三原电缆附件公司 | Ultrahigh voltage cablejoint sealing protection box |
| CN2609251Y (en) * | 2003-03-24 | 2004-03-31 | 中铁电气化局集团第三工程有限公司电务分公司 | Cold enclosed cable underground connection device |
| CN201303064Y (en) * | 2008-12-08 | 2009-09-02 | 江苏安靠超高压电缆附件有限公司 | Protective sleeve for connection joints of cable |
| CN203398736U (en) * | 2013-06-24 | 2014-01-15 | 苏州六维电力科技有限公司 | Cross-linked cable intermediate joint protection casing |
| CN203415706U (en) * | 2013-09-02 | 2014-01-29 | 宁波东昊电缆附件有限公司 | High-voltage cable intermediate joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185462A (en) * | 2015-10-20 | 2015-12-23 | 宁波东昊电缆附件有限公司 | 110kV epoxy type insulation copper housing |
| CN105219024A (en) * | 2015-10-20 | 2016-01-06 | 宁波东昊电缆附件有限公司 | 220kV epoxy type insulated copper shell |
| CN105305364A (en) * | 2015-10-20 | 2016-02-03 | 宁波东昊电缆附件有限公司 | Copper housing of 110kV straight joint |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 315137 Yinzhou District City, Ningbo province Yunlong Town before Xu Village Applicant after: Ningbo East power Polytron Technologies Inc Address before: 315137 Zhejiang province Ningbo City Yunlong Industrial Zone Yinzhou District Yunlong Town Cloud Hui Lu East first Applicant before: NINGBO JOHOST CABLE ACCESSORIES CO., LTD. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140430 |