CN101841144A - Anti-thunder insulator strain clamp string - Google Patents

Anti-thunder insulator strain clamp string Download PDF

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Publication number
CN101841144A
CN101841144A CN200910047802A CN200910047802A CN101841144A CN 101841144 A CN101841144 A CN 101841144A CN 200910047802 A CN200910047802 A CN 200910047802A CN 200910047802 A CN200910047802 A CN 200910047802A CN 101841144 A CN101841144 A CN 101841144A
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China
Prior art keywords
clamp
starting rod
briquetting
insulator
type
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CN200910047802A
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Chinese (zh)
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CN101841144B (en
Inventor
王哲斐
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Shanghai Zhaobang Electrical Material Co., Ltd.
State Grid Shanghai Electric Power Co Ltd
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SHANGHAI ZHAOBANG ELECTRICAL MATERIAL CO Ltd
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Priority to CN 200910047802 priority Critical patent/CN101841144B/en
Publication of CN101841144A publication Critical patent/CN101841144A/en
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Publication of CN101841144B publication Critical patent/CN101841144B/en
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Abstract

The invention relates to an anti-thunder insulator strain clamp string which is used for electric power transmission and distribution overhead lines and integrates anti-thunder and insulating functions, electricity testing and grounding functions, peeling-free puncturing and conducting functions as well as anti-slip strain-resisting clamping and fixation and lead hanging, drawing and holding functions. The anti-thunder insulator strain clamp string has simple and reasonable structure, convenient construction, energy saving and high efficiency, integrates multiple functions, is novel and attractive, and is a renewal product for comprehensively enhancing electric power line equipment.

Description

Anti-thunder insulator strain clamp string
Technical field
The invention belongs to the electric power equipment that the power transmission and distribution overhead transmission line is used.
A kind of power transmission and distribution overhead transmission line is used, have prevent lightning-caused breaking and insulator damage function, electrical verification grounding function, do not need when being used for insulated wire peeling the puncture conducting function, prevent that lead slippage strain insulator from gripping and hanging the anti-thunder insulator strain clamp string that pulls and supports the lead function.Its structure is novel rationally, simplifies strain insulator-string and lightning protection device, reduces the fault point, and collecting multi-functional is one, easy construction, and efficient energy-saving, attractive in appearance, the life-span is long, and the wire clamp type selecting has interchangeability, is a kind of renewal product of comprehensive lifting power circuit equipment.
Background technology
The electric insulator strain clamp string is the important component part of power transmission and distribution overhead power line, it not only directly has influence on fail safe, the reliability of power circuit operation, and affect economy, the feature of environmental protection of electric line operation to a great extent, and the useful life of whole circuit, so how to design and develop, can be used for bare wire can be used to again to insulate energy-efficient, the environmental protection of transmission and distribution circuit, the electric insulator strain clamp string of safety, be urgency key subjects to be solved of China's power grid construction.Especially the lightning protection how? how easily can not peeling just be set up insulated wire reliably? electrical verification ground connection how easily? the more automatic lead that effectively grips how? on problem, the product that all needs a kind of innovation is replaced the in the past old defective old product for many years of having continued to use.Known power transmission and distribution overhead transmission line, what used in the past all is plain conductor, the nineties begins distribution line later on and uses insulated conductor gradually.Insulated conductor has solved the safety problems such as circuit corridor that plain conductor originally has, the known distribution line class of insulation is relatively low, in actual use because lightning-caused breaking, the insulator breakage, the situation that makes whole electric line produce operation troubles happens occasionally, especially because the global weather variation, thunderstorm weather is often arranged, the meteorology that lightning flashes and thunder rumbles is more frequent, therefore the electric network fault that causes has accounted for 36.8% of whole line fault, and wherein the lightning-caused breaking rate has accounted for 96.8%, has influenced the normal power supply of gauze greatly, and is also very considerable to the loss that national economy causes.Japan just once studied at early seventies and reached a conclusion: if insulated conductor does not have appropriate lightning protection measures, be will inevitably break and the insulator breakage when running into thunderbolt so.Therefore must solve insulated conductor by lightning-caused breaking, the problem of insulator breakage could guarantee the safe operation of overhead insulating transmission and distribution network.Known method has the installation overhead ground wire, and zinc oxide arrester etc., but still exist great hidden danger.Recently, the existing method preferably of straight line pole place lightning protection, as lightning protection pillar insulator, but strain insulator bar, terminal pole, an extension bar etc. are located special-purpose strain clamp insulator string lightning protection and are not also had, therefore be badly in need of inventing a kind of effectively, conveniently be adapted to the anti-thunder insulator strain clamp string of various installation situations.
In addition, used equipment mostly was traditional old-fashioned electric power equipment when known power transmission and distribution overhead transmission line set up, not only stupid but also big, install complicated, purchase numerous and diverse, poor safety performance, and the wire clamp of clamping lead all is fixing on the cross-arm of electric pole by single insulator and connection gold utensil, both lacked the security performance of taking precautions against thunderbolt, again can not be lastingly clamping lead reliably, exist great hidden danger.Some energy-consuming products that fall behind all are extensive use of so far in China always, spread all over urban and urual areas of whole country's electrical networks at different levels.According to repeatedly experiment conclusion both domestic and external, old-fashioned electric armour clamp will consume a large amount of electric energy in that circuit is in service, the most frequently used NLD type of circuit series strain clamp only, every wire clamp average year energy consumption just reaches about 500KW.H, this a kind of electric armour clamp that is moving by the basic electrical network in the whole nation, year consuming electric power has reached 23,800,000,000 KW.H, nearly 10,000,000,000 yuans of the waste electricity charge.In addition plain conductor still be insulated conductor its all solve the significant problem of omnidistance insulation, because the security performance extreme difference of its exposed part, annual all can cause great economic loss for supply of electric power department owing to short circuit causes the get an electric shock generation of casualty accident of large-area power outage and personnel.The extensive upgrading urban and rural power grids insulating of China required to improve in recent years, strain clamp much adopts not peeling of NXJ type insulation wedge type strain clamp, but this wire clamp clamp place takes two fixture blocks, two faces to compress mode, having very big problem is the slip of will loosing core, till the user have to use peeling type strain clamp instead, promptly expensive consuming time again.How to design and develop out the novel electric power wire clamp that the transmission of electricity distribution overhead transmission line with China development adapts, for the power grid construction of China's development matches, being one needs the great realistic problem that solves in a hurry for this reason.
Summary of the invention
Purpose of the present invention, be exactly for adapting to the power grid construction of China's development, thoroughly change all disadvantages of old-fashioned electric power equipment, design and develop out that a kind of power transmission and distribution overhead transmission line uses, have lightning protection insulation function, electrical verification grounding function, puncture conducting function and fixed clamp and suspension and pull and support the lead function, and can accomplish the anti-thunder insulator strain clamp string of the omnidistance insulation function of power transmission and distribution.
Technical scheme of the present invention is such:
(see the patent No.: right-hand member 200920068156.8) at lightning protection suspension insulator 22,17 suspensions are connected with U type draw ring by insulator draw ring 18, taper type anti-skidding strain clamp 8 (is seen the patent No.: 200920068157.2), cable rack ceases to be busy 16 passes taper type anti-skidding strain clamp 8, on the small end cable rack ceases to be busy 16 of taper type anti-skidding strain clamp 8, by penetrating cable clamp body 15, with penetrating cable clamp briquetting 10, with nut 16 punctures of cable rack ceases to be busy are clamped, at this moment because the clamping and the puncture effect of penetrating cable clamp, cable rack ceases to be busy 16 and penetrating cable clamp briquetting 10 are communicated with conduction, at the opening part of penetrating cable clamp briquetting 10, compression connects striking lead 7, the other end of striking lead 7 then, compression is connected in the open pore of adjustable starting rod briquetting 5, make the current potential on the cable rack ceases to be busy 16, by penetrating cable clamp briquetting 10, striking lead 7 and adjustable starting rod briquetting 5, be communicated on the adjustable starting rod 4, a fixing current channel is just arranged on adjustable starting rod 4 so always.The other end at lightning protection suspension insulator 22 has a fixedly starting rod 3; a fixing discharging gap is arranged between 3 and 4, when thunder and lightning attacks, this discharging gap; inevitable prior to insulator body release electric arc, thus played the effect that prevents lightning-caused breaking and protection insulator.Adjustable starting rod briquetting 5 is with adjustable starting rod 4 by briquetting bolt 6, be pressed on the starting rod clamp insulating support 19, starting rod clamp insulating support 19 is by starting rod clamp insulating support briquetting 20, be fixedly clamped on lightning protection suspension insulator 22, and because the effect of location hole on the lightning protection suspension insulator 22 makes adjustable starting rod 4 and position that fixedly always is maintained fixed between the starting rod 3 and gap.When adjustable starting rod 4 shortens by thunderbolt ablation several times, at this moment can unclamp briquetting bolt 6, pull out adjustable starting rod 4, make it and fixedly still remain between the starting rod 3 to keep lightning protection function constant on the original clearance distance.
Lower end at penetrating cable clamp body 15, can there be three kinds of situations to connect different connectors respectively, to adapt to different needs, first kind of situation (as Fig. 1): be to connect transition connecting rod 14 in the compression of the lower end of penetrating cable clamp body 15, compression connects open and close type earth brace fixed supported slab 13 below transition connecting rod 14, on open and close type earth brace fixed supported slab 13, use the fixedly connected open and close type electrical verification of nut earth brace 12, on open and close type electrical verification earth brace 12, open and close type earth brace shade assembly 11 is housed (sees the patent No.: 200920068155.3), when needs electrical verification ground connection, as long as open open and close type earth brace shade assembly 11, just can electrical verification ground connection work.Second kind of situation (as Fig. 2): be in the lower end of penetrating cable clamp body 15, directly compression connects upward ring-like electrical verification earth brace 27, and it is just passable directly to connect work at exposed position when needs electrical verification ground connection.The third situation (as Fig. 3): be lower end at penetrating cable clamp body 15, only compression connects upward transition connecting rod 14, just can directly compress the connection breakout cable in the endoporus of transition connecting rod 14, instructions for use when satisfying needs branched line at that time, at this moment, special-purpose branch cable clamp is arranged with insulating cover 28 around penetrating cable clamp body 15 and transition connecting rod 14 up and down, with the exposed part of all conductions, all insulation is enclosed in branch cable clamp with in the insulating cover 28.
Around adjustable starting rod briquetting 5 and adjustable starting rod 4, special-purpose adjustable starting rod is arranged with insulating case 21, with the exposed part of all conductions, all insulation is enclosed in adjustable starting rod with in the insulating case 21.
Penetrating cable clamp body 15 and penetrating cable clamp briquetting 10 up and down around, special-purpose open and close type earth brace is arranged with insulating case 9, with all conduction exposed parts, all insulation is enclosed in the open and close type earth brace with in the insulating case 9.
When the present invention works, as long as by connecting gold utensil bolt 2 and being connected gold utensil 25, with connecting gold utensil 1, directly be fixedly connected on the cross-arm of electric pole, just can satisfy lightning protection, electrical verification, puncture conduction, grip and hang pull and support, multi-functional specification requirement such as comprehensive insulating protection.The present invention is simple in structure, complete function, and easy construction, efficient energy-saving is a kind of comprehensive electric power equipment renewal product.
Marginal data
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is two of a structural representation think of of the present invention;
Fig. 3 is three of a structural representation think of of the present invention;
Fig. 4 is an open and close type electrical verification earth brace schematic diagram;
Fig. 5 is ring-like electrical verification earth brace schematic diagram;
Fig. 6 is the penetrating cable clamp structural representation;
Fig. 7 is the taper type anti-skidding structural representation of anti-the wire clamp;
Fig. 8 is a lightning protection suspension insulator structural representation;
Fig. 9 is the structural representation of adjustable starting rod and briquetting thereof;
Figure 10 is transition connecting rod and the fixed supported slab schematic diagram that the open and close type earth brace is used;
Figure 11 is the structural representation when using NXL type series wedge type strain clamp;
Figure 12 is the structural representation when insulating strain clamp with JNXL type wedge type;
Figure 13 is the structural representation when insulating strain clamp with NXJ type series.
Wherein, 1-connects the gold utensil bolt; 2-connects the gold utensil bolt; 3-is starting rod fixedly; The adjustable starting rod of 4-; 5-is adjustable starting rod briquetting (stingless); 6-briquetting bolt; 7-striking lead; The 8-taper type anti-skidding strain clamp; 9-open and close type earth brace insulating case; 10-penetrating cable clamp briquetting; 11-open and close type earth brace shade assembly; 12-open and close type electrical verification earth brace; 13-open and close type earth brace fixed supported slab; 14-transition connecting rod; 15-penetrating cable clamp body; 16-cable rack ceases to be busy; 17-U type draw ring; 18-insulator draw ring; 19-starting rod clamp insulating support; 20-starting rod clamp insulating support briquetting; 21-is adjustable starting rod insulating case; 22-lightning protection suspension insulator; 23-is the starting rod briquetting fixedly; 24-connects gold utensil; 25-connects gold utensil; The ring-like earth brace insulating case of 26-; The ring-like electrical verification earth brace of 27-; 28-branch cable clamp insulating cover.
Below in conjunction with the marginal data specific embodiments of the invention.
Embodiment:
(see the patent No.: right-hand member 200920068156.8) at lightning protection suspension insulator 22, by insulator draw ring 8 and U type draw ring 17, hang to connect go up taper type anti-skidding strain clamp 8 and (see the patent No.: 200920068157.2), cable rack ceases to be busy 16 passes taper type anti-skidding strain clamp 8, on the small end cable rack ceases to be busy 16 of taper type anti-skidding strain insulator line 8, by penetrating cable clamp body 15, with penetrating cable clamp briquetting 10, with nut 16 punctures of cable rack ceases to be busy are clamped, in the upper end hole of penetrating cable clamp briquetting 10, compression connects goes up striking lead 7, the other end compression of striking lead 7 is connected in the open pore of adjustable starting rod briquetting 5, adjustable starting rod briquetting 5 is by briquetting bolt 6, adjustable starting rod 4 is pressed on the starting rod clamp insulating support 19, left end at lightning protection suspension insulator 22, a fixedly starting rod 3 is arranged, between 3 and 4, form a fixing discharging gap, starting rod clamp insulating support 19 is by drawing starting rod clamp insulating support briquetting 20, be fixedly clamped on lightning protection suspension insulator 22, lower end at penetrating cable clamp body 15, compression connects goes up transition connecting rod 14, lower end at transition connecting rod 14, compression connects open and close type earth brace fixed supported slab 13, on open and close type earth brace fixed supported slab 13, connect open and close type electrical verification earth brace 12 with nut, on open and close type electrical verification earth brace 12, open and close type earth brace shade assembly 11 is housed (sees the patent No.: 200920068155.3), on penetrating cable clamp briquetting 10, open and close type earth brace insulating case 9 is housed, this part all exposed conducting position of earth brace all is enclosed in the insulating case 9, on adjustable starting rod briquetting 5, adjustable starting rod insulating case 21 is housed, adjustable starting rod 4 this part all exposed conducting position all are enclosed in adjustable starting rod with in the insulating case 21, connect gold utensil bolt 2 and be connected gold utensil 25 as long as pass through when the present invention works, with connecting gold utensil bolt 1, directly be fixedly connected on the cross-arm of line pole just passable.
Wherein: when adjustable starting rod 4 shortens by thunderbolt ablation several times, can unclamp briquetting bolt 6, pull out adjustable starting rod 4, clamp briquetting bolt 6 again, make adjustable starting rod 4 and fixedly remain between the starting rod 3 on the original clearance distance always, guarantee that lightning protection function is constant.
Wherein: in the lower end of penetrating cable clamp body 15, can directly compress when needing to connect and go up annular electrical verification earth brace 27, at this moment on penetrating cable clamp body 15, need load onto ring-like earth brace, all exposed conducting positions all are enclosed in the insulating cover 26 with insulating cover 26.
Wherein: in the lower end of penetrating cable clamp body 15, only compression connects upward transition connecting rod 14, when needs divide in main line when picking out branched line, as long as directly compress in the endoporus that is connected transition connecting rod 14 cable of branched line just passable, need this moment branch cable clamp to be housed on penetrating cable clamp body 15, all exposed conducting positions all are enclosed in the insulating cover 28 with insulating cover 28.
Wherein: taper type anti-skidding strain clamp 8, can use the taper type anti-skidding strain clamp 8 of different size size, to satisfy the needs of different transmission and distribution circuits according to the variation of the specification size of the cable rack ceases to be busy 16 that is set up.
Wherein, starting rod clamp insulating support 19 and starting rod clamp insulating support briquetting 20, when being fixedly connected on lightning protection suspension insulator 22 right-hand members, be to be inserted in the location hole of insulator 22 right-hand members by the reference column on the starting rod clamp insulating support 20, thereby starting rod clamp insulating support briquetting 20 positions have been fixed, to guarantee adjustable starting rod 4 and fixedly clearance distance between the starting rod 3 and position with respect to lightning protection suspension insulator 22.
Wherein, taper type anti-skidding strain clamp 8 also can change to NXL type series wedge type strain clamp (as Figure 11); JNXL type insulation wedge type strain clamp (as Figure 12); With NXJ type series insulation strain clamp models such as (as Figure 13), to be applicable to peeling state, not peeling state or whole bare wire state, in addition, when the strain clamp of different model is applied to peeling state and bare wire state, should use the insulating sheath that matches with this model simultaneously, simultaneously, all types of strain clamps just do not need to connect again and have used striking lead 7 of the present invention when being applied to peeling and bare wire state.
Illustrate: the present invention improves and has used the original patented product of our company and be:
1. the lightning protection suspension insulator (is seen the patent No.: 200920068156.8)
2. taper type anti-skidding strain clamp (is seen the patent No.: 200920068157.2)
Certain applications the original patented product of our company be: the column support type arrester device of band electrical verification earth brace and penetrating cable clamp (is seen the patent No.: 200920068155.3).

Claims (7)

1. one kind has the lightning protection insulation function, the electrical verification grounding function, the automatic puncturing conducting function, grip and suspension pulls and supports the lead function, and can accomplish omnidistance insulation function, anti-thunder insulator strain clamp string, it is characterized in that: (see the patent No.: right-hand member 200920068156.8) at lightning protection suspension insulator 22, by insulator draw ring 8 and U type draw ring 17, hang to connect go up taper type anti-skidding strain clamp 8 and (see the patent No.: 200920068157.2), cable rack ceases to be busy 16 passes taper type anti-skidding strain clamp 8, on the small end cable rack ceases to be busy 16 of taper type anti-skidding strain insulator line 8, by penetrating cable clamp body 15, with penetrating cable clamp briquetting 10, with nut cable 16 punctures are clamped, in the upper end hole of penetrating cable clamp briquetting 10, compression connects goes up striking lead 7, the other end compression of striking lead 7 is connected in the open pore of adjustable starting rod briquetting 5, adjustable starting rod briquetting 5 is by briquetting bolt 6, adjustable starting rod 4 is pressed on the starting rod clamp insulating support 19, left end at lightning protection suspension insulator 22, a fixedly starting rod 3 is arranged, between 3 and 4, form a fixing discharging gap, starting rod clamp insulating support 19 is by starting rod clamp insulating support briquetting 20, be fixedly clamped on lightning protection suspension insulator 22, lower end at penetrating cable clamp body 15, compression connects goes up transition connecting rod 14, lower end at transition connecting rod 14, compression connects open and close type earth brace fixed supported slab 13, on open and close type earth brace fixed supported slab 13, be connected and fixed open and close type electrical verification earth brace 12 with nut, on open and close type electrical verification earth brace 12, open and close type earth brace shade assembly 11 is housed (sees the patent No.: 200920068155.3), on penetrating cable clamp briquetting 10, open and close type earth brace insulating case 9 is housed, this part all exposed conducting position of earth brace all is enclosed in the insulating case 9, on adjustable starting rod briquetting 5, adjustable starting rod insulating case 21 is housed, adjustable starting rod 4 this part all exposed conducting position all are enclosed in adjustable starting rod with in the insulating case 21, connect gold utensil bolt 2 and be connected gold utensil 25 as long as pass through when the present invention works, with connecting gold utensil bolt 1, directly be fixedly connected on the cross-arm of line pole just passable.
2. anti-thunder insulator strain clamp string as claimed in claim 1, it is characterized in that: when adjustable starting rod shortens by thunderbolt ablation several times, can unclamp briquetting bolt 6, pull out adjustable starting rod 4, clamp briquetting bolt 6 again, make adjustable starting rod 4 and fixedly remain between the starting rod 3 on the original clearance distance always, guarantee that lightning protection function is constant.
3. anti-thunder insulator strain clamp string as claimed in claim 1, it is characterized in that: in the lower end of penetrating cable clamp body 15, can directly compress when needing to connect and go up annular electrical verification earth brace 27, at this moment on penetrating cable clamp body 15, need load onto ring-like earth brace with insulating cover 26, all exposed conducting positions all are enclosed in the insulating cover 26.
4. anti-thunder insulator strain clamp string as claimed in claim 1, it is characterized in that: in the lower end of penetrating cable clamp body 15, only compression connects upward transition connecting rod 14, when needs divide in main line when picking out branched line, as long as directly compress in the endoporus that is connected transition connecting rod 14 cable of branched line just passable, need this moment branch cable clamp to be housed on penetrating cable clamp body 15, all exposed conducting positions all are enclosed in the insulating cover 28 with insulating cover 28.
5. anti-thunder insulator strain clamp string as claimed in claim 1, it is characterized in that: taper type anti-skidding strain clamp 8, can use the taper type anti-skidding strain clamp 8 of different size size, to satisfy the needs of different transmission and distribution circuits according to the variation of the specification size of the cable rack ceases to be busy 16 that is set up.
6. anti-thunder insulator strain clamp string as claimed in claim 1, it is characterized in that: starting rod clamp insulating support 19 and starting rod clamp insulating support briquetting 20, when being fixedly connected on lightning protection suspension insulator 22 right-hand members, be to be inserted in the location hole of insulator 22 right-hand members by the reference column on the starting rod clamp insulating support briquetting 20, thereby starting rod clamp insulating support briquetting 20 positions have been fixed, to guarantee adjustable starting rod 4 and fixedly clearance distance between the starting rod 3 and position with respect to lightning protection suspension insulator 22.
7. anti-thunder insulator strain clamp string as claimed in claim 1 is characterized in that: taper type anti-skidding strain clamp 8 also can change to NXL type series wedge type strain clamp (as Figure 11); JNXL type insulation wedge type strain clamp (as Figure 12); With NXJ type series insulation strain clamp models such as (as Figure 13), to be applicable to peeling state, not peeling state or whole bare wire state, in addition, when the strain clamp of different model is applied to peeling state and bare wire state, should use the insulating sheath that matches with this model simultaneously, simultaneously, all types of strain clamps just do not need to connect again and have used striking lead 7 of the present invention when being applied to peeling and bare wire state.
CN 200910047802 2009-03-19 2009-03-19 Anti-thunder insulator strain clamp string Active CN101841144B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200910047802 CN101841144B (en) 2009-03-19 2009-03-19 Anti-thunder insulator strain clamp string

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CN101841144A true CN101841144A (en) 2010-09-22
CN101841144B CN101841144B (en) 2013-09-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103022931A (en) * 2012-12-11 2013-04-03 上海市电力公司 Strain insulator-string configuration method for a 10 kV overhead conductor
CN104779018A (en) * 2014-01-13 2015-07-15 王臻 Puncture anti-arc tension string
CN106451299A (en) * 2015-08-10 2017-02-22 上海兆邦电力器材有限公司 Puncture grounding insulation strain clamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101325104B (en) * 2007-06-15 2010-09-08 上海兆邦电力器材有限公司 Lightning protection post insulator
CN201438627U (en) * 2009-03-17 2010-04-14 上海兆邦电力器材有限公司 Anti-lightning insulator strain clamp string

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103022931A (en) * 2012-12-11 2013-04-03 上海市电力公司 Strain insulator-string configuration method for a 10 kV overhead conductor
CN104779018A (en) * 2014-01-13 2015-07-15 王臻 Puncture anti-arc tension string
CN106451299A (en) * 2015-08-10 2017-02-22 上海兆邦电力器材有限公司 Puncture grounding insulation strain clamp

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