CN203481774U - Cable joint - Google Patents

Cable joint Download PDF

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Publication number
CN203481774U
CN203481774U CN201320542421.8U CN201320542421U CN203481774U CN 203481774 U CN203481774 U CN 203481774U CN 201320542421 U CN201320542421 U CN 201320542421U CN 203481774 U CN203481774 U CN 203481774U
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CN
China
Prior art keywords
conductor
cable
stress cone
shroud sleeve
accommodation section
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.)
Expired - Lifetime
Application number
CN201320542421.8U
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Chinese (zh)
Inventor
谢志松
杨超杰
曾懿辉
孙钦章
王道龙
梁健明
张俊
向绍熙
陈解选
樊友平
陈杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Original Assignee
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Power Supply Bureau of Guangdong Power Grid Corp filed Critical Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority to CN201320542421.8U priority Critical patent/CN203481774U/en
Application granted granted Critical
Publication of CN203481774U publication Critical patent/CN203481774U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a cable joint which comprises a shielding sleeve, two joint assemblies and two tail tubes. An accommodation chamber is arranged in the shielding sleeve, the two joint assemblies are mounted in the accommodation chamber oppositely, each joint assembly comprises a stress cone and a conductor contact connected with one end of the stress cone, the two stress cones are respectively mounted at positions close to the end portions of the shielding sleeve, the two conductor contacts are respectively mounted at positions close to the middle of the shielding sleeve and are electrically connected, the tail tube is connected with the other end of one stress cone, the two ends of the shielding sleeve are respectively connected with the two tail tubes, and the stress cones, the conductor contacts and the tail tubes are respectively equipped with channels for accommodating cables. The cable joint is simple in structure and convenient to operate, can carry out rapid first-aid repair, can bear rated operation load of a system for a long time, is highly stable, and can be applied to cable repair in 110kV and above.

Description

Cable joint
Technical field
The utility model relates to power technology field, particularly a kind of cable joint.
Background technology
In recent years, development along with urban construction, power cable is just being widely used in modern city electrical network all over the world, as the visual plant in urban distribution network, cable replaces aerial condutor gradually, becomes the principal mode that city transmission of electricity adopts, once but cable line breaks down, be mainly that cable insulation is damaged, easily cause whole electric power system power-off, cause serious economic loss.General cable recovery scenario adopts transition joint mode, cable joint mainly contains wrapped formula, moulded etc., but the heating of the cable failure place of 110kV and above grade easily causes wrapped formula cable joint breakdown, so 110kV and above grade cable mainly adopt moulded cable joint, and moulded cable joint asks very high to mounting process, quality in site supervision and management and constructing operation personnel technology, and the engineering time is long, poor stability.
Summary of the invention
Based on this, the utility model is to overcome the defect of prior art, and a kind of cable joint is provided, not only simple in structure, easy for installation, and good stability, is applicable to the cable reparation of 110kV and above grade.
Its technical scheme is as follows:
A kind of cable joint, comprise shroud sleeve, two adapter assemblies, two tail pipes, in described shroud sleeve, be provided with container cavity, two adapter assemblies are arranged in container cavity relatively, described adapter assembly comprises stress cone, and the conductor contact being connected with stress cone one end, described two stress cones are arranged on respectively the position near shroud sleeve end, described two conductor contacts are arranged on respectively the position near shroud sleeve middle part, and described two conductor contacts can conduct electricity connection, described tail pipe is connected with the described stress cone other end, described shroud sleeve two ends are connected with described tail pipe respectively, described stress cone, conductor contact, in tail pipe, be provided with for holding the passage of cable.
Described container cavity comprises two the first accommodation sections, two the second accommodation sections, and this first accommodation section is arranged on the position near shroud sleeve end, and this second accommodation section is arranged on the position near shroud sleeve middle part, and described the first accommodation section communicates with the second accommodation section.
Described shroud sleeve comprises metal cylinder, epoxy cylinder, conductor inserts, two flanges, described conductor inserts is tubulose, its inside is divided into two relative installing holes by through plate, described epoxy cylinder is enclosed within metal cylinder, described conductor inserts is arranged in epoxy cylinder, its inner installing hole overlaps with described the second accommodation section, described stress cone is arranged in the first accommodation section, described conductor contact is arranged in the second accommodation section, and described two conductor contacts can conduct electricity and be connected with conductor inserts respectively, the two ends of described metal cylinder are connected with flange respectively, described flange is connected with tail pipe.
Described flange and tail pipe are bolted.
Described metal cylinder, epoxy cylinder, the conductor inserts structure that is formed in one.
Between described stress cone and tail pipe, be pressed with compression spring, between described stress cone and conductor contact, be provided with displacement ring.
Below the advantage of aforementioned techniques scheme or principle are described:
By the cable of fault point is sawed-off, the insulation de-epithelization by cable two ends, exposes battery core part, cable two ends, respectively through tail pipe, are contained in adapter assembly, then the cable two ends that assemble are arranged in the container cavity of shroud sleeve relatively, grounding, completes cable reparation.This cable joint is simple in structure, easy to operate, can not only realize rapidly breakdown repair, have good time effect and relevant economic benefit, and this cable joint realizes electric insulation by shroud sleeve is set, the axial electric field that suppresses cable by stress cone is set punctures joint, can bear for a long time the specified operating load of system, good stability, security performance is high, is applicable to the cable reparation of 110kV and above grade.
By contacting of conductor inserts and conductor contact, realization can be conducted electricity connection, makes cable two ends realize conducting, avoids the direct contact heating of cable two ends battery core and burns insulating barrier.
By the tail pipe being threaded with the flange of shroud sleeve is set, play dustproof, moistureproof effect, this is threaded and adopts screw thread compression seal technology, plays good sealing effectiveness.
Accompanying drawing explanation
Fig. 1 is the fractionation structural representation of the cable joint described in the utility model embodiment;
Fig. 2 is the assembly structure schematic diagram of the cable joint described in the utility model embodiment;
Fig. 3 is the cable fracture schematic diagram that divests insulating barrier described in the utility model embodiment;
Fig. 4 is the schematic diagram that the band described in the utility model embodiment regulates the cable joint of cable;
Description of reference numerals:
10, the first accommodation section, the 20, second accommodation section, 30, installing hole, 40, cable, 41, battery core, 50, regulate cable, 100, shroud sleeve, 110, metal cylinder, 120, epoxy cylinder, 130, conductor inserts, 132, conduction panel, 140, flange, 200, adapter assembly, 210, stress cone, 220, conductor contact, 230, displacement ring, 300, tail pipe.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated:
As Fig. 1, shown in Fig. 2, a kind of cable joint, comprise shroud sleeve 100, two adapter assemblies 200, two tail pipes 300, in described shroud sleeve 100, be provided with container cavity, two adapter assemblies 200 are arranged in container cavity relatively, described adapter assembly 200 comprises stress cone 210, and the conductor contact 220 being connected with stress cone 210 one end, described two stress cones 210 are arranged on respectively the position near shroud sleeve end, described two conductor contacts 220 are arranged on respectively the position near shroud sleeve middle part, and described two conductor contacts 220 can conduct electricity connection, described tail pipe 300 is connected with described stress cone 210 other ends, described shroud sleeve 100 two ends are connected with described tail pipe 300 respectively, described stress cone 210, conductor contact 220, in tail pipe 300, be provided with for holding the passage of cable.
Described container cavity comprises two the first accommodation sections 10, two the second accommodation sections 20, this first accommodation section 10 is arranged on the position near shroud sleeve end, this second accommodation section 20 is arranged on the position near shroud sleeve middle part, and described the first accommodation section 10 communicates with the second accommodation section 20.
Described shroud sleeve 100 comprises metal cylinder 110, epoxy cylinder 120, conductor inserts 130, two flanges 140, described conductor inserts 130 is tubulose, its inside is divided into two relative installing holes 30 by conduction panel 132, described epoxy cylinder 120 is enclosed within metal cylinder 110, described conductor inserts 130 is arranged in epoxy cylinder 120, its inner installing hole 30 overlaps with described the second accommodation section 20, described stress cone 210 is arranged in the first accommodation section 10, described conductor contact 220 is arranged in the second accommodation section 20, be that conductor contact 220 is arranged in the installing hole 30 of conductor inserts 130, and described two conductor contacts 220 can conduct electricity and be connected with conductor inserts 130 respectively, described conductor contact 220 adopts pure copper material, described conductor inserts 130 adopts electric conducting material, the two ends of described metal cylinder 110 are connected with flange 140 respectively, described flange 140 is connected with tail pipe 300, described flange 140 is preferably with bolts with tail pipe 300.
Described metal cylinder 110, epoxy cylinder 120, conductor inserts 130 structure that is formed in one, reduce mounting process, before construction, in advance by metal cylinder 110, epoxy cylinder 120, conductor inserts 130, flange 140 assembles, detect after cable fault, the cable of fault point 40 is sawed-off, by the insulation de-epithelization at incision position cable two ends, expose battery core 41, Fig. 3 is the cable fracture schematic diagram that divests insulating barrier, tail pipe 300 is passed respectively in cable two ends, stress cone 210, conductor contact 220, again the cable two ends that assemble are arranged in shroud sleeve 100 relatively, grounding, complete cable reparation.The metal cylinder 110 of this shroud sleeve 100 mainly shields, and avoids external force damage joint; Described epoxy cylinder 120 mainly plays shielding, electric insulation; Described conductor inserts contacts with conductor contact, and realization can be conducted electricity connection, makes cable two ends realize conducting, avoids the direct contact heating of cable two ends battery core and burns insulating barrier; Flange 140 and the tail pipe 300 of described shroud sleeve is threaded connection, and plays dustproof, moistureproof effect, and this is threaded and adopts screw thread compression seal technology, plays good sealing effectiveness.
Preferably between described stress cone 210 and tail pipe 300, be pressed with compression spring (not shown), improve the pressure between stress cone 210 and cable, thereby raising barrier propterty, is provided with displacement ring 230 between described stress cone 210 and conductor contact 220, avoid stress cone 210 to slide.
When impaired cable is by after sawed-off, two end cable spacing are when excessive, adopt the cable joint of band adjusting cable as shown in Figure 4, by pre-install one stage adjust cable 50 between two cable joints, adjust the length between two end cables, if when transition joint punctures, use individual cable joint, when cable length is inadequate, adopt this scheme.
Cable joint described in the present embodiment is simple in structure, easy to operate, can not only realize rapidly breakdown repair, there is good time effect and relevant economic benefit, and this cable joint is realized electric insulation by shroud sleeve is set, the axial electric field that suppresses cable by stress cone is set punctures joint, this stress cone 210 adopts silastic material, can bear for a long time the specified operating load of system, good stability, security performance is high, be applicable to the cable reparation of 110kV and above grade, the cable reparation of different size, only need to adjust stress cone 210, the internal diameter of conductor contact 220, can use the shroud sleeve of same size, reduce manufacturing cost.
Cable joint described in the present embodiment is not limited only to cable fault reparation simultaneously, also can be used in the connection between two sections of cables.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.

Claims (6)

1. a cable joint, it is characterized in that, comprise shroud sleeve, two adapter assemblies, two tail pipes, in described shroud sleeve, be provided with container cavity, two adapter assemblies are arranged in container cavity relatively, described adapter assembly comprises stress cone, and the conductor contact being connected with stress cone one end, described two stress cones are arranged on respectively the position near shroud sleeve end, described two conductor contacts are arranged on respectively the position near shroud sleeve middle part, and described two conductor contacts can conduct electricity connection, described tail pipe is connected with the described stress cone other end, described shroud sleeve two ends are connected with described tail pipe respectively, described stress cone, conductor contact, in tail pipe, be provided with for holding the passage of cable.
2. cable joint according to claim 1, it is characterized in that, described container cavity comprises two the first accommodation sections, two the second accommodation sections, this first accommodation section is arranged on the position near shroud sleeve end, this second accommodation section is arranged on the position near shroud sleeve middle part, and described the first accommodation section communicates with the second accommodation section.
3. cable joint according to claim 2, it is characterized in that, described shroud sleeve comprises metal cylinder, epoxy cylinder, conductor inserts, two flanges, described conductor inserts is tubulose, its inside is divided into two relative installing holes by through plate, described epoxy cylinder is enclosed within metal cylinder, described conductor inserts is arranged in epoxy cylinder, its inner installing hole overlaps with described the second accommodation section, described stress cone is arranged in the first accommodation section, described conductor contact is arranged in the second accommodation section, and described two conductor contacts can conduct electricity and be connected with conductor inserts respectively, the two ends of described metal cylinder are connected with flange respectively, described flange is connected with tail pipe.
4. cable joint according to claim 3, is characterized in that, described flange and tail pipe are bolted.
5. cable joint according to claim 3, is characterized in that, described metal cylinder, epoxy cylinder, the conductor inserts structure that is formed in one.
6. according to the cable joint described in claim 1-5 any one, it is characterized in that, between described stress cone and tail pipe, be pressed with compression spring, between described stress cone and conductor contact, be provided with displacement ring.
CN201320542421.8U 2013-09-02 2013-09-02 Cable joint Expired - Lifetime CN203481774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320542421.8U CN203481774U (en) 2013-09-02 2013-09-02 Cable joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320542421.8U CN203481774U (en) 2013-09-02 2013-09-02 Cable joint

Publications (1)

Publication Number Publication Date
CN203481774U true CN203481774U (en) 2014-03-12

Family

ID=50230029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320542421.8U Expired - Lifetime CN203481774U (en) 2013-09-02 2013-09-02 Cable joint

Country Status (1)

Country Link
CN (1) CN203481774U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104065021A (en) * 2014-04-23 2014-09-24 李超 False cable joint
CN104967066A (en) * 2015-06-11 2015-10-07 天津送变电工程公司 Crosslinked cable prefabricated intermediate joint installation method
CN108808617A (en) * 2018-07-03 2018-11-13 深圳供电局有限公司 A kind of threephase cable transition joint
CN109245022A (en) * 2018-09-19 2019-01-18 吉唯达(上海)电气有限公司 A kind of wrapped transition joint of cable and its manufacture craft
CN109560524A (en) * 2018-12-20 2019-04-02 国网北京市电力公司 Joint structure and attachment device with it
CN112769091A (en) * 2021-01-07 2021-05-07 广东安恒电力科技有限公司 Quick combined type cable intermediate joint and cable intermediate connection method
CN113270846A (en) * 2021-05-11 2021-08-17 福建中能电气有限公司 Convenient-to-disassemble oppositely-inserted intermediate joint and use method thereof
CN113725637A (en) * 2021-08-31 2021-11-30 长园电力技术有限公司 Intelligent quick recovery connects

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104065021A (en) * 2014-04-23 2014-09-24 李超 False cable joint
CN104065021B (en) * 2014-04-23 2016-08-17 李超 A kind of cable vacation joint
CN104967066A (en) * 2015-06-11 2015-10-07 天津送变电工程公司 Crosslinked cable prefabricated intermediate joint installation method
CN108808617A (en) * 2018-07-03 2018-11-13 深圳供电局有限公司 A kind of threephase cable transition joint
CN108808617B (en) * 2018-07-03 2024-05-17 深圳供电局有限公司 Three-phase cable intermediate joint
CN109245022A (en) * 2018-09-19 2019-01-18 吉唯达(上海)电气有限公司 A kind of wrapped transition joint of cable and its manufacture craft
CN109560524A (en) * 2018-12-20 2019-04-02 国网北京市电力公司 Joint structure and attachment device with it
CN109560524B (en) * 2018-12-20 2021-08-20 国网北京市电力公司 Joint structure and connecting device with same
CN112769091A (en) * 2021-01-07 2021-05-07 广东安恒电力科技有限公司 Quick combined type cable intermediate joint and cable intermediate connection method
CN113270846A (en) * 2021-05-11 2021-08-17 福建中能电气有限公司 Convenient-to-disassemble oppositely-inserted intermediate joint and use method thereof
CN113725637A (en) * 2021-08-31 2021-11-30 长园电力技术有限公司 Intelligent quick recovery connects

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Granted publication date: 20140312