CN107528135B - SYG copper-aluminum transition equipment wire clamp for power distribution network - Google Patents
SYG copper-aluminum transition equipment wire clamp for power distribution network Download PDFInfo
- Publication number
- CN107528135B CN107528135B CN201710838979.3A CN201710838979A CN107528135B CN 107528135 B CN107528135 B CN 107528135B CN 201710838979 A CN201710838979 A CN 201710838979A CN 107528135 B CN107528135 B CN 107528135B
- Authority
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- China
- Prior art keywords
- connecting piece
- transition
- syg
- distribution network
- power distribution
- 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.)
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Links
- 230000007704 transition Effects 0.000 title claims abstract description 58
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000009826 distribution Methods 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H01R11/01—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 form or arrangement of the conductive interconnection between the connecting locations
-
- 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
- H01R11/05—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 having different types of direct connections
-
- 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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to the technical field of auxiliary equipment for power generation, in particular to a SYG copper-aluminum transition equipment wire clamp for a power distribution network, which comprises a first connecting piece connected with a power substation bus down conductor and two groups of second connecting pieces connected with electrical equipment; the two groups of second connecting pieces are symmetrically arranged on two sides of the center line of the first connecting piece, and clamping pieces are tightly attached to the outer sides of the second connecting pieces. According to the invention, the distance between the two groups of second connecting pieces can be adjusted to adapt to the outgoing terminals of different types through the arrangement of the two sections of screws with opposite screw directions by rotating the screws, the line faults caused by falling between the second connecting pieces and the outgoing terminals can be avoided through the matching arrangement of the clamping pieces and the second connecting pieces, the contact area between the transition equipment wire clamp and the outgoing terminals of the electrical equipment is increased through the arrangement of the clamping pieces tightly attached to the second connecting pieces, the resistance value of the transition resistance is reduced, the influence of the construction process on the transition resistance is reduced, and the problem of defect faults caused by heating is solved.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for power generation, in particular to a SYG copper-aluminum transition equipment wire clamp for a power distribution network.
Background
The equipment wire clamp is mainly used for connecting a bus down-lead of a substation with an outgoing terminal of electrical equipment such as a transformer, a circuit breaker, an isolating switch, a transformer and the like. As the outgoing terminals of the common electrical equipment are copper and aluminum, and the bus outgoing lines are divided into aluminum leg lines or steel-cored aluminum stranded wires, the equipment wire clamps are divided into two series of aluminum equipment wire clamps and copper-aluminum transition equipment wire clamps from the material.
Copper-aluminum transition connection is one of the factors of power equipment failure, and a traditional copper-aluminum transition equipment wire is commonly used for producing a copper-aluminum transition plate or a copper-aluminum transition terminal by adopting a flash butt welding process. However, on one hand, the copper-aluminum transition equipment wire clamp is limited in contact surface due to product quality and construction process, and then the defect fault is caused by heating; on one hand, the stress is uneven, the electrochemical reaction is easy to accelerate, the oxidation accelerates the equipment aging, and the faults such as heating, fracture and the like occur; the defect fault is a common fault type of the distribution line, the power supply reliability is reduced, and the customer satisfaction is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a SYG copper-aluminum transition equipment wire clamp for a power distribution network, which can increase the contact area with an outgoing terminal of electrical equipment, uniformly transition stress and reduce the copper-aluminum transition failure rate.
In order to solve the technical problems, the invention adopts the following technical scheme:
The SYG copper-aluminum transition equipment wire clamp for the power distribution network comprises a first connecting piece connected with a power substation bus down conductor and two groups of second connecting pieces connected with electrical equipment; the two groups of second connecting pieces are symmetrically arranged on two sides of the center line of the first connecting piece, and clamping pieces are tightly attached to the outer sides of the second connecting pieces; one end of the clamping piece is connected with the first connecting piece.
According to the power distribution network SYG copper aluminum transition equipment wire clamp, the first connecting piece is connected with the down lead of the substation bus, the second connecting piece is connected with the outlet terminal of the electrical equipment to realize connection of the down lead and the outlet terminal, the contact area between the transition equipment wire clamp and the outlet terminal of the electrical equipment is increased through the arrangement of the two groups of second connecting pieces and the clamping pieces clung to the second connecting pieces, the resistance value of transition resistance is reduced, the influence of a construction process on the transition resistance is reduced, and therefore the problem of defect faults caused by heating is solved.
Further, the first connecting piece is of a hollow cylindrical structure with one end open and one end closed, and the second connecting piece is of a copper sheet structure with a flat surface. After the bus down-lead of the fixed substation is arranged on the hollow cylindrical structure, the appearance is neat, and the damage of the edge angle of the transition equipment wire clamp to the peripheral wire insulation layer can be avoided.
Further, the first connecting piece comprises conductive inner layer structure and insulating outer layer structure, the inner layer structure with the one end fastening connection of outer layer structure, be equipped with a plurality of parallel arrangement's solid fixed ring on the outer layer structure. The setting of electrically conductive inlayer structure can guarantee to draw down the continuous connecing of line terminal with the play line terminal, and the security of operating personnel when pressing from both sides tight first connecting piece is guaranteed in the setting of insulating outer structure.
Further, the conductive inner layer structure and the clamping piece are both made of aluminum. The ductility of aluminium system structure is good, and the operating personnel of being convenient for presss from both sides tight downlead and outlet terminal through transition equipment fastener, and easy operation can improve work efficiency.
Further, a transition connecting piece is connected between the first connecting piece and the clamping piece, and the transition connecting piece is formed by stacking a plurality of same soft connecting pieces; the transition connecting piece is provided with an arc-shaped structure protruding outwards. The arrangement of the soft connecting piece is convenient for the adjustment of the distance between the two groups of second connecting pieces so as to adapt to the fixation of the outgoing line terminals of different types of electrical equipment, and the application range is wide; the arrangement of the arc-shaped structure can realize that the connecting terminal and the transition connecting piece form a mortise and tenon structure to realize connection, so that the contact area is further increased, and the resistance of the transition resistor is reduced.
Further, the clamping piece is provided with a connecting hole matched with the transition connecting piece; one end of the transition connecting piece is welded and fastened with the first connecting piece, and the other end of the transition connecting piece is spliced and fastened with the connecting hole. The arrangement is convenient to process on one hand, and the production cost is reduced; on the one hand, the limit value of the distance between the two groups of second connecting pieces can be increased, and the application range of the wire clamp is further enlarged.
Further, screw holes with opposite screw thread directions are respectively arranged on the two groups of clamping pieces, and screw rods are connected to the screw holes in a penetrating way; two sections of external threads with opposite spiral directions are arranged on the screw rod. The arrangement is that the two groups of second connecting pieces can be close to or far away from each other by rotating the studs, so that the distance between the two groups of second connecting pieces is adjusted to be matched with the outlet terminal of the electrical equipment, and the adjustment is convenient.
Further, one end of the screw rod is fixedly connected with an insulating fixing cap; the insulating fixing cap is provided with knurling. The arrangement of the fixing cap is convenient for operators to screw in or screw out the stud, and the arrangement of the insulating fixing cap can increase the safety of operation.
Further, one end of the clamping piece is detachably connected with a telescopic clamping piece, and a concave part matched with the clamping piece is arranged on the clamping piece. The arrangement is to maintain the position when the distance between the two groups of second connecting pieces is adjusted to a proper position, so that line faults caused by falling between the second connecting pieces and the outgoing terminals are avoided.
Compared with the prior art, the invention has the beneficial effects that:
The SYG copper-aluminum transition equipment wire clamp for the power distribution network comprises a first connecting piece connected with a bus down conductor of a substation and two groups of second connecting pieces connected with electrical equipment; the two groups of second connecting pieces are symmetrically arranged on two sides of the center line of the first connecting piece, and clamping pieces are tightly attached to the outer sides of the second connecting pieces; one end of the clamping piece is connected with the first connecting piece. According to the invention, the distance between the two groups of second connecting pieces can be adjusted to adapt to the outgoing terminals of different types through the arrangement of the two sections of screws with opposite screw directions by rotating the screws, the line faults caused by falling between the second connecting pieces and the outgoing terminals can be avoided through the matching arrangement of the clamping pieces and the second connecting pieces, the contact area between the transition equipment wire clamp and the outgoing terminals of the electrical equipment is increased through the arrangement of the clamping pieces tightly attached to the second connecting pieces, the resistance value of the transition resistance is reduced, the influence of the construction process on the transition resistance is reduced, and the problem of defect faults caused by heating is solved.
Drawings
Fig. 1 is a perspective view of a power distribution network SYG copper aluminum transition device clamp of the present invention;
fig. 2 is a front view of a power distribution network SYG copper aluminum transition device clip;
fig. 3 is a right side view of a power distribution network SYG copper aluminum transition device clamp.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions;
it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 3, a first embodiment of a power distribution network SYG copper aluminum transition equipment wire clamp of the present invention includes a first connecting piece 1 connected to a substation busbar down-lead, and two sets of second connecting pieces 2 connected to electrical equipment; the two groups of second connecting pieces 2 are symmetrically arranged on two sides of the central line of the first connecting piece 1, and clamping pieces 3 are tightly attached to the outer sides of the second connecting pieces 2; one end of the clamping member 3 is connected to the first connecting member 1.
Specifically, the first connecting piece 1 is of a hollow cylindrical structure with one end open and one end closed, and the second connecting piece 2 is of a copper sheet structure with a flat surface; the first connecting piece 1 consists of a conductive inner layer structure 11 and an insulating outer layer structure 12, wherein the inner layer structure 11 is fixedly connected with one end of the outer layer structure 12, and a plurality of fixing rings 13 which are arranged in parallel are arranged on the outer layer structure 12; not only can the continuous connection of the down conductor and the wire outlet terminal be ensured, but also the safety of operators when clamping the first connecting piece 1 can be ensured. The conductive inner layer structure 11 and the clamping piece 3 of the embodiment are both of aluminum structures, so that the conductive inner layer structure has good ductility and is easy to operate.
A transition connecting piece 4 is connected between the first connecting piece 1 and the clamping piece 3, and the transition connecting piece 4 is formed by stacking a plurality of same flexible connecting pieces 41; the transition piece 4 is provided with an outwardly projecting arcuate formation 42. The clamping piece 3 is provided with a connecting hole 31 matched with the transition connecting piece 4, one end of the transition connecting piece 4 is welded and fixedly connected with the first connecting piece 1, and the other end of the transition connecting piece 4 is spliced and fixedly connected with the connecting hole 31, so that the processing is convenient, and the production cost is reduced; screw holes 32 with opposite screw thread directions are respectively arranged on the two groups of clamping pieces 3, and screw rods 33 are connected to the screw holes 32 in a penetrating way; the screw 33 is provided with two sections of external threads 34 with opposite screw directions, so that the two groups of second connecting pieces 2 can be conveniently close to or far away from each other by rotating the screw 33, and the distance between the two groups of second connecting pieces 2 is adjusted to be matched with an outgoing line terminal of the electrical equipment, so that the adjustment is convenient.
In addition, one end of the screw 33 is fixedly connected with an insulating fixing cap 35, and the insulating fixing cap 35 is provided with knurls 36, so that an operator can conveniently screw in or screw out the screw 33, and the operation safety is improved; one end of the clamping piece 3 is detachably connected with a telescopic clamping piece 5, and a concave part 51 matched with the clamping piece 3 is arranged on the clamping piece 5, so that the position can be kept when the distance between the two groups of second connecting pieces 2 is adjusted to a proper position, and line faults caused by falling between the second connecting pieces 2 and the outgoing line terminals are avoided.
The same or similar reference numerals correspond to the same or similar components;
the positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent;
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. The SYG copper-aluminum transition equipment wire clamp for the power distribution network is characterized by comprising a first connecting piece (1) connected with a bus down conductor of a power substation and two groups of second connecting pieces (2) connected with electrical equipment; the two groups of second connecting pieces (2) are symmetrically arranged on two sides of the central line of the first connecting piece (1), and clamping pieces (3) are tightly attached to the outer sides of the second connecting pieces (2); one end of the clamping piece (3) is connected with the first connecting piece (1); a transition connecting piece (4) is connected between the first connecting piece (1) and the clamping piece (3), and the transition connecting piece (4) is formed by stacking a plurality of identical soft connecting pieces (41); the transition connecting piece (4) is provided with an arc-shaped structure (42) protruding outwards.
2. The power distribution network SYG copper aluminum transition equipment clamp according to claim 1, wherein the first connecting piece (1) is of a hollow cylindrical structure with one end open and one end closed, and the second connecting piece (2) is of a copper sheet structure with a flat surface.
3. The power distribution network SYG copper aluminum transition equipment clamp according to claim 2, wherein the first connecting piece (1) is composed of a conductive inner layer structure (11) and an insulating outer layer structure (12), the inner layer structure (11) is fixedly connected with one end of the outer layer structure (12), and a plurality of fixing rings (13) which are arranged in parallel are arranged on the outer layer structure (12).
4. A power distribution network SYG copper aluminium transition equipment clamp according to claim 3, characterized in that the inner layer structure (11) and the clamping member (3) are both of aluminium structure.
5. The power distribution network SYG copper aluminum transition equipment clamp according to claim 4, wherein the clamping piece (3) is provided with a connecting hole (31) matched with the transition connecting piece (4); one end of the transition connecting piece (4) is welded and fastened with the first connecting piece (1), and the other end is inserted and fastened with the connecting hole (31).
6. The power distribution network SYG copper aluminum transition equipment wire clamp according to any one of claims 1 to 5, wherein screw holes (32) with opposite screw directions are respectively arranged on two groups of clamping pieces (3), and screw rods (33) are connected to the screw holes (32) in a penetrating way; two sections of external threads (34) with opposite spiral directions are arranged on the screw rod (33).
7. The power distribution network SYG copper aluminum transition equipment clamp according to claim 6, wherein one end of the screw (33) is fixedly connected with an insulating fixing cap (35); the insulating fixing cap (35) is provided with knurling (36).
8. A power distribution network SYG copper aluminium transition equipment clamp according to any one of claims 1 to 5, characterized in that one end of the clamping member (3) is detachably connected with a telescopic clamping member (5), and the clamping member (5) is provided with a recess (51) matched with the clamping member (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710838979.3A CN107528135B (en) | 2017-09-18 | 2017-09-18 | SYG copper-aluminum transition equipment wire clamp for power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710838979.3A CN107528135B (en) | 2017-09-18 | 2017-09-18 | SYG copper-aluminum transition equipment wire clamp for power distribution network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107528135A CN107528135A (en) | 2017-12-29 |
| CN107528135B true CN107528135B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710838979.3A Active CN107528135B (en) | 2017-09-18 | 2017-09-18 | SYG copper-aluminum transition equipment wire clamp for power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107528135B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775339A (en) * | 1986-05-01 | 1988-10-04 | Yazaki Corporation | Crimp-style terminal |
| EP0613212A1 (en) * | 1993-02-17 | 1994-08-31 | Siemens Aktiengesellschaft | Connecting terminal |
| CN201994542U (en) * | 2011-04-01 | 2011-09-28 | 辽宁省电力有限公司锦州供电公司 | 10 KV post isolation disconnecting link soft connecting device |
| CN102593614A (en) * | 2012-03-14 | 2012-07-18 | 山东电力集团公司枣庄供电公司 | Wire clamp for grounding wire |
| CN203812582U (en) * | 2014-03-20 | 2014-09-03 | 泰州市鹏龙电气有限公司 | Improved copper strip flexible connecting device |
| CN204481452U (en) * | 2015-02-10 | 2015-07-15 | 国家电网公司 | Lightning arrester Special wire-clip |
| CN204596989U (en) * | 2015-05-02 | 2015-08-26 | 燕宏伟 | A kind of power cable on line joint |
| CN106299732A (en) * | 2016-09-29 | 2017-01-04 | 国网山东省电力公司烟台供电公司 | A kind of device preventing the outdoor full pre-fabricated dry cable termination heating of 110kV and installation method thereof |
| CN106410437A (en) * | 2016-09-29 | 2017-02-15 | 国网山东省电力公司烟台供电公司 | Connecting apparatus and mounting method for 110kV outdoor cable terminal |
| CN206180141U (en) * | 2016-11-14 | 2017-05-17 | 湖北麻城市恒鑫电力设备制造有限责任公司 | Transition of copper aluminium is inlayed copper formula and is embraced pole fastener for transformer |
| CN207368261U (en) * | 2017-09-18 | 2018-05-15 | 广东电网有限责任公司佛山供电局 | A kind of power distribution network SYG copper-aluminium transition equipment cable clamps |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8177563B1 (en) * | 2010-10-27 | 2012-05-15 | Mike Vernica | Swivel ground clamp for bare armor wire |
-
2017
- 2017-09-18 CN CN201710838979.3A patent/CN107528135B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775339A (en) * | 1986-05-01 | 1988-10-04 | Yazaki Corporation | Crimp-style terminal |
| EP0613212A1 (en) * | 1993-02-17 | 1994-08-31 | Siemens Aktiengesellschaft | Connecting terminal |
| CN201994542U (en) * | 2011-04-01 | 2011-09-28 | 辽宁省电力有限公司锦州供电公司 | 10 KV post isolation disconnecting link soft connecting device |
| CN102593614A (en) * | 2012-03-14 | 2012-07-18 | 山东电力集团公司枣庄供电公司 | Wire clamp for grounding wire |
| CN203812582U (en) * | 2014-03-20 | 2014-09-03 | 泰州市鹏龙电气有限公司 | Improved copper strip flexible connecting device |
| CN204481452U (en) * | 2015-02-10 | 2015-07-15 | 国家电网公司 | Lightning arrester Special wire-clip |
| CN204596989U (en) * | 2015-05-02 | 2015-08-26 | 燕宏伟 | A kind of power cable on line joint |
| CN106299732A (en) * | 2016-09-29 | 2017-01-04 | 国网山东省电力公司烟台供电公司 | A kind of device preventing the outdoor full pre-fabricated dry cable termination heating of 110kV and installation method thereof |
| CN106410437A (en) * | 2016-09-29 | 2017-02-15 | 国网山东省电力公司烟台供电公司 | Connecting apparatus and mounting method for 110kV outdoor cable terminal |
| CN206180141U (en) * | 2016-11-14 | 2017-05-17 | 湖北麻城市恒鑫电力设备制造有限责任公司 | Transition of copper aluminium is inlayed copper formula and is embraced pole fastener for transformer |
| CN207368261U (en) * | 2017-09-18 | 2018-05-15 | 广东电网有限责任公司佛山供电局 | A kind of power distribution network SYG copper-aluminium transition equipment cable clamps |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107528135A (en) | 2017-12-29 |
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