CN101409386A - Multifunctional electric contact - Google Patents

Multifunctional electric contact Download PDF

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Publication number
CN101409386A
CN101409386A CNA2008101200955A CN200810120095A CN101409386A CN 101409386 A CN101409386 A CN 101409386A CN A2008101200955 A CNA2008101200955 A CN A2008101200955A CN 200810120095 A CN200810120095 A CN 200810120095A CN 101409386 A CN101409386 A CN 101409386A
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CN
China
Prior art keywords
puncture outfit
electric contact
electric conductor
multifunctional electric
frame
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Pending
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CNA2008101200955A
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Chinese (zh)
Inventor
毛军民
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Ningbo Electric Power Bureau
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Ningbo Electric Power Bureau
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Application filed by Ningbo Electric Power Bureau filed Critical Ningbo Electric Power Bureau
Priority to CNA2008101200955A priority Critical patent/CN101409386A/en
Publication of CN101409386A publication Critical patent/CN101409386A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a multifunctional electric joint which comprises a lead, an arrester or a grounding ring; a group of puncture outfits with corresponding upper and lower gears is arranged in a framework electrical conductor; the upper puncture outfit is arranged on the lower surface of the upper frame of the electrical conductor; the lower puncture outfit is arranged at the top end of a torsion screw which penetrates the lower frame of the electrical conductor and can ascend and descend; the lower part of the framework electrical conductor is provided with a connection lead, the arrester or the connection port of the grounding ring. The mounting modes of puncturing electrifying of an isolating lead and the grounding of a short circuit electrifying stick are combined; the quick connection mounting of a branch lead, the arrester or the grounding ring are realized by only using a group of puncture outfits and connection terminals on one electrifying head; multifunctional combined mounting is carried out by the mounting port of the electrifying head according to different demands. The multifunctional electric joint realizes the all-weather fast first-aid repair of a distribution wire under the situations of reparation in power cut or incapable operation of an electrified operation vehicle, in particular under an accident state, and ensures the safety and reliability of the operation as well as the safe running of the distribution wire.

Description

Multifunctional electric contact
Technical field
The present invention relates to electrical connection utensil of distribution line live working and attaching method thereof.
Background technology
The connected mode that at present domestic and international 10KV overhead transmission line connects (comprising insulation, plain conductor circuit) electric joining seam has only two kinds, and promptly the live line working car is installed penetrating cable clamp and connect electric joining seam and line outage maintenance overlap joint lead.It is one of major economic indicators of electric power enterprise that interruption maintenance influences reliability, it also is the embodiment of the economic benefit of electric power enterprise, few more reliability that has a power failure is high more, the high more economic benefit of reliability is just good more, constantly the main target of making great efforts reduces power failure exactly to improve power supply reliability, and along with the city overhead transmission line is progressively implemented insulating, the lead joining seam also extensively adopts penetrating cable clamp, developed countries such as America and Europe have produced and had used more than 30 year, domestic in recent years also extensive use.Present penetrating cable clamp mounting means just live line working car cooperates interruption maintenance to install, because use live line working car is subjected to climatic factor and Effect of Environmental can not round-the-clockly be used, and the interruption maintenance installation is the crucial restraining factors of reliability.It is exactly the lead joining seam that the various electric equipments of overhead transmission line are installed last work, as long as solve the problem that lead connects electric joining seam, overhead transmission line equipment is installed and the part accident maintenance just can be avoided the generation that has a power failure, thereby the technical measures and the construction plan of practical value are provided for the raising power supply reliability.Adopt penetrating cable clamp at present both at home and abroad, just solved the joining seam problem of insulated conductor, it installs only reliable live line working car or the interruption maintenance mode is carried out connection manually, and can not satisfy the demand of round-the-clock repairing and equipment installation.
Summary of the invention
The technical problem to be solved in the present invention is the demand at live line working on the round-the-clock bar of overhead transmission line, solve the round-the-clock charged installation of overhead transmission line common equipment, as the Fast Installation and the safe handling of electric devices such as lead joining seam, leakage conductor or insulated circuit ground loop.
The technical scheme that addresses the above problem comprises the connector of the insulated conductor of multifunctional electric contact, the compound mode that the earth potential mounting means of electric contact and electric equipment commonly used are installed.
Multifunctional electric contact, comprise lead, lightning arrester or ground loop, in a shaped as frame electric conductor, establish the corresponding puncture outfit of lower tooth on a group, last puncture outfit is located on the electric conductor below the edge, following puncture outfit is located at one and passes the torsion screw tip that the electric conductor lower frame can rise and fall, be provided with the connection lead in shaped as frame electric conductor bottom, the Wiring port of lightning arrester or ground loop.
Pass through the rotation of torsion screw rod at the following puncture outfit of shaped as frame electric conductor lower end, with descending puncture outfit progressively to raise lead is clamped to corresponding with the wedge tooth of last puncture outfit, if insulated conductor, the wedge tooth that puncture outfit is mutually corresponding will puncture insulating barrier and electrically contact with metal core wire formation up and down.Power connection end mouth outside the shaped as frame electric conductor can according to the power connection equipment needs directly and connector lug be connected to form power circuit, as: lead overlap joint ground loop or lightning arrester, just form the grounded circuit or the lightning arrester loop of line conduction, use as the multifunction electric path connector.
Multifunctional electric contact connects electricity with insulated conductor puncture and connects torch ground connection mounting means with short circuit and make up.The puncture line joining seam that meets present 10KV aerial condutor combines with the simple and easy electric contact that earth potential is installed indirectly, and the installation port by electric contact carries out multi-functional aggregate erection according to different needs.Can under the round-the-clock environment by bar on the operating personnel hold the electricity that connects that the insulation hook stick carries out the 10KV overhead transmission line and install.
Multifunctional electric contact solved interruption maintenance or live line working car can't operational circumstances under, realize the round-the-clock distribution line of particularly rushing to repair fast in the state of accident, guarantee the reliable and delivery circuit safe operation of handling safety.
Existing insulation puncture line clamping will carry out the electricity that connects of overhead transmission line to be installed, and an end slot of insulation puncture line clamping must be used to connect the main traverse line puncture and clamp, and another end slot is used to connect the electric lead puncture and clamps.Promptly to manually main traverse line be buckled into a penetrating cable clamp, manually will connect electric lead again penetrates in another penetrating cable clamp groove, the necessary manual operations of clamping action of two penetrating cable clamp end slots is the screw-down torque nut respectively, two leads are reached the conducting of lead by the some contact of brace, it must distinguish the screw-down torque nut with spanner by the operator, two groups of screw rods evenly could be compressed lead, the direct manual operation that these all must be guarded or looked after all the time can't utilize Work tool to install.Formation can only rely on the live line working car or realize by the installation that has a power failure like this.The present invention only realizes that with 1 electric contact directly being articulated to live wire with the insulation hook stick on the bar connects, realizing the connection of distribution line electric device, realize quick, safe and round-the-clock target of operating on the function less than the operating time of half a minute.
Description of drawings
Fig. 1 wraps up outer field multifunctional electric contact for removing integral insulation; A is a stereogram, and b is a plane graph.
Fig. 2 is the exploded view of Fig. 1; A is the shaped as frame electric conductor, and b is the annex exploded view.
Fig. 3 is multifunctional electric contact and terminal connection diagram.
Fig. 4 is multifunctional electric contact and lightning arrester connection diagram.
Embodiment
The conductive solid of multifunctional electric contact as shown in Figure 1.Remove the parcel skin of integral insulation, building block comprises shaped as frame electric conductor 1, last puncture outfit 2, following puncture outfit 3, torsion screw rod 4 and Wiring port 5.Last puncture outfit 2 is located at below the last edge 11 of electric conductor 1, but on 12 of the lower frames of electric conductor 1, establish the following puncture outfit 3 of vertical lift, the bottom of following puncture outfit 3 is connected with a torsion screw rod 4 that passes electric conductor 1 lower frame 12, and the Wiring port 5 of shaped as frame electric conductor 1 bottom is for being used to admit the Wiring port of connector lug or lightning arrester.Shown in Fig. 2-a, electric conductor 1 is made into the openings at one side frame by the aluminium alloy of monoblock, and inside casing is the framework on square removal one vertical limit.The last plane parallel that the lower surface of the last edge 11 of electric conductor 1 and the lower frame 12 of electric conductor 1 stretch out in the same way, last edge 11 lower surfaces are established the tongue-and-groove 21 of indent, and it is corresponding with the inner bolt hole 13 of the lower frame 12 of electric conductor 1, the Wiring port 5 usefulness inner thread mouths 15 of electric conductor 1 bottom, this kind wiring screw socket had both made things convenient for the wiring operation, can prevent that again rainwater from flowing into.The inwall 16 of electric conductor 1 is and the orthogonal plane of lower frame inner surface that inwall 16 guiding are puncture outfit 3 and last puncture outfit 2 corresponding liftings down.Shown in Fig. 2-b, the prominent tenon 22 of projection is established at the back of last puncture outfit 2, and it is mutually nested with the following set sunk coak 21 of edge 11 on the electric conductor 1 to tighten up and for convenience detach.The lumen 31 that binds is established in the bottom of following puncture outfit 3, and the setting position steel ball 35 and the crown are the torsion screw head 41 of circular concave 42 in the lumen 31, and circular concave 42 is used to admit locking ball 35.Last puncture outfit 2 equates corresponding with the number of teeth of splitting of following puncture outfit 3, last puncture outfit 2 is established 4~6 row's puncture teeth, every row establishes 4~6 and splits tooth, wherein outside tooth 23 is longer slightly than internal tooth 24, following puncture outfit 3 is also established 4~6 row's puncture teeth, and every row establishes 4~6 and splits tooth, and its outside tooth 33 is also long slightly than internal tooth 34, so that puncture up and down tooth mutually near the time form circular crown, conductor wire outer layer insulation rubber strike-through is stretched into plain conductor forms and electrically contact preferably.Split tooth base portion and puncture outfit and link into an integrated entity, and by the whole machine-shaping of alloy material of the same race, to increase puncture force and conductive capability.Upper and lower puncture outfit complements one another according to the radially thickness design plurality of specifications of power transmission line, selects the puncture outfit of different size according to the thickness that connects distribution wire.The screw thread in the middle of the torsion screw rod 4 and the thread cavity 13 of electric conductor 1 lower end are meshing with each other, bind in the lumen 31 in the bottom that the upper end screw head 41 of torsion screw rod 4 is inserted in down puncture outfit 3, torsion screw head 41 is tightened up with following puncture outfit 3 by the located lateral screw 32 that is located at down on the puncture outfit 3.Torsion nut group is established in the lower end of torsion screw rod 4, bar head nut 44 is linked in the endoporus of torque nut 45, torque nut 45 terminal welding torsion nuts 46, torque nut 45 designs according to the distribution wire diameter thickness, when torsion nut 46 was tightened onto design torque, torsion nut 46 and torque nut 45 disconnect with the tooth that prevents to puncture up and down crossed limit.
Connection status when Fig. 3 represents that multifunctional electric contact is used to connect branch line, main traverse line 6 are punctured by last puncture outfit 2 and following puncture outfit 3 and compress torsion nut 46 dialysis torque nuts 45 when torsion nut group is tightened.Wiring port 5 is for connecing electric joining seam 51 with conductive lever 50 serial connections one in the inner thread mouth 15 of electric conductor 1 lower end, connect electric joining seam 51 and connect offset 52 in advance, just can branch line 52 be electrically connected fast with main traverse line 6 in repairing hot line job on electric pole during circuit.
Figure 4 shows that electric contact of the present invention connects zinc oxide arrester 7 and makes the line thunder protection device, power connection end mouth 5 is for connecing electric joining seam 51 with conductive lever 50 serial connections one in the inner thread mouth 15 of electric conductor 1 lower end, zinc oxide arrester 7 is fixedlyed connected with conduction joining seam 51, electric conductor 1 is articulated on the distribution wire of electrical network, tightens corresponding puncture tooth that torsion screw rod 4 makes puncture outfit 2 and following puncture outfit 3 and press and pierce through main traverse line 6 and promptly be hinged with and finish.
It is after withstanding the torsion nut 46 of torsion screw rod 4 ends by the insulation hook stick that electric contact is installed, and the opening frame of electric conductor 1 is suspended to main traverse line 6.Because last lower tooth has radian, make locking ball 35 rotate adjustment a little by the dither operation rod, between the last lower tooth that is stuck in upper and lower puncture outfit 2,3 that main traverse line 6 is smooth.Withstanding torsion screw rod 4 with hook stick subsequently progressively screws torsion nut 46 by hook stick, 4 ejections of torsion screw rod down puncture outfit 3 and are progressively risen along the inwall 16 of electric conductor 1, when extremely the snap-in force of splitting tooth and main traverse line of upper and lower puncture outfit 2,3 reaches designing requirement, torque nut 45 disconnects with torsion nut 46, lower tooth has penetrated insulating barrier on this moment, 32 of puncture outfit split on the contact-making surface that tooth tightly is crimped on lead, and that has realized electric contact and main traverse line 6 connects the electricity operation fast.
The corresponding apparatus that need make up electric contact could realize multi-functional, except the electric contact body is reserved Wiring port 5, comprises the conductive lever 50 that can be electrically connected with lead connector, ground loop, lightning arrester or fusing utensil and connects electric joining seam 51.These gold utensils can directly be screwed into screw rod 50 and connect in the electric electric conductor 1 reservation inner thread mouth 15, also can be fixed on the electric conductor at the gold utensil that will need on the bar to install, and are installed on the main traverse line 6 with the insulation hook stick then.
Consider that each spare and accessory parts of multifunctional electric contact all can change or use repeatedly.Wherein puncture outfit and conductive material are the Al alloy block machine-shaping of material of the same race up and down, all are split the tooth base portion and fuse on the puncture outfit, the inside casing of electric conductor is that rectangular frame is removed the aluminum alloy frame of edge always, to increase mechanical strength, reduce contact resistance, improve ducting capacity and corrosion resistance
Figure A20081012009500061
The circular arc crowning of cleat shape tooth and tooth end has and penetrates the indeformable characteristics of insulating barrier compacted conductor rear tooth point repeatedly, and each structure member of whole electric contact is all replaceable and use repeatedly.Unique disposable material is the torsion nut, considers the safe distance requirement of installation process human body and charging equipment, generally wants the distance of 70cm just can satisfy the safety operation requirement.As long as select for use, just can satisfy safe handling above the insulation hook stick more than the 70cm.
Multifunctional electric contact integral body has been used aluminium alloy 6061 serial section bars, and its intensity and conductive capability all satisfy thermally-stabilised requirement, all meets relevant criterion in D.C. resistance test, short circuit test, temperature rise test, withstand voltage test, environmental aging test.Electric conductor is handled through insulating, satisfies relevant insulation safety of present insulated circuit and anti-oxidant anticorrosive requirement.

Claims (10)

1, multifunctional electric contact, comprise lead, lightning arrester or ground loop, in a shaped as frame electric conductor, establish the corresponding puncture outfit of lower tooth on a group, last puncture outfit is located on the electric conductor below the edge, following puncture outfit is located at one and passes the torsion screw tip that the electric conductor lower frame can rise and fall, be provided with the connection lead in shaped as frame electric conductor bottom, the Wiring port of lightning arrester or ground loop.
2, multifunctional electric contact device according to claim 1, the inside casing that it is characterized in that shaped as frame electric conductor (1) are the framework on square removal one vertical limit.
3, multifunctional electric contact according to claim 1 is characterized in that lower frame (12) inner surface of described shaped as frame electric conductor (1) is vertical mutually with electric conductor inwall (16).
4, multifunctional electric contact according to claim 1 is characterized in that electric conductor (1), last puncture outfit (2) and following puncture outfit (3) are the Al alloy block machine-shaping of material of the same race.
5, multifunctional electric contact according to claim 1 is characterized in that puncture outfit and splits the tooth base portion fusing, by the whole machine-shaping of alloy material of the same race.
6, multifunctional electric contact according to claim 1 is characterized in that described mutual chimeric the tightening up of caulking groove (21) that the tenon (22) of puncture outfit (2) by being located at its back and described shaped as frame connect last edge (11) lower surface of electric body (1) of going up.
7, multifunctional electric contact according to claim 1 is characterized in that the lumen that binds (31) is established in the bottom of described following puncture outfit (3), and being provided with the locking ball (35) and the crown in the lumen (31) is the torsion screw head (41) of circular concave (42).
8, multifunctional electric contact according to claim 1 is characterized in that described upper and lower puncture outfit (2,3) establishes 4~6 row puncture teeth respectively, and every row establishes 4~6 and splits tooth.
9, multifunctional electric contact according to claim 1, the Wiring port (5) that it is characterized in that the electric conductor lower end is for being connected in series a conduction joining seam (51) with conductive lever (50) in the inner thread mouth (15) of electric conductor (1) lower end.
10, multifunctional electric contact according to claim 1 is characterized in that the torsion nut (46) of torsion screw rod (4) lower end is fastening with the insulation hook stick of hot line job.
CNA2008101200955A 2008-07-18 2008-07-18 Multifunctional electric contact Pending CN101409386A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008101200955A CN101409386A (en) 2008-07-18 2008-07-18 Multifunctional electric contact

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Application Number Priority Date Filing Date Title
CNA2008101200955A CN101409386A (en) 2008-07-18 2008-07-18 Multifunctional electric contact

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CN101409386A true CN101409386A (en) 2009-04-15

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103199451A (en) * 2013-04-01 2013-07-10 国家电网公司 Drop switch rush-repair device when power is uninterruptible
CN105356091A (en) * 2015-10-13 2016-02-24 国家电网公司 Uninterrupted puncture clamp with electric wire correction function
CN105655844A (en) * 2016-03-25 2016-06-08 镇江市丹徒区飞翔电子有限公司 Bending die for right-angle inner conductors in coaxial cable connectors
CN108365355A (en) * 2017-12-29 2018-08-03 广州德肯电子有限公司 A kind of Portable short-circuit grounding wire clip
CN109216965A (en) * 2018-08-30 2019-01-15 王玲 A kind of electrification in high voltage intelligence power connection equipment and its electricity connection method
CN109782121A (en) * 2019-03-25 2019-05-21 国家电网有限公司 A kind of high pressure punctures testing agency and method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103199451A (en) * 2013-04-01 2013-07-10 国家电网公司 Drop switch rush-repair device when power is uninterruptible
CN105356091A (en) * 2015-10-13 2016-02-24 国家电网公司 Uninterrupted puncture clamp with electric wire correction function
CN105356091B (en) * 2015-10-13 2018-03-16 国家电网公司 A kind of puncture folder that do not have a power failure with correction electric wire effect
CN105655844A (en) * 2016-03-25 2016-06-08 镇江市丹徒区飞翔电子有限公司 Bending die for right-angle inner conductors in coaxial cable connectors
CN108365355A (en) * 2017-12-29 2018-08-03 广州德肯电子有限公司 A kind of Portable short-circuit grounding wire clip
CN109216965A (en) * 2018-08-30 2019-01-15 王玲 A kind of electrification in high voltage intelligence power connection equipment and its electricity connection method
CN109782121A (en) * 2019-03-25 2019-05-21 国家电网有限公司 A kind of high pressure punctures testing agency and method

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Open date: 20090415