CN104362485A - Special lead for test on lightning arrester of power transmission cable tower - Google Patents
Special lead for test on lightning arrester of power transmission cable tower Download PDFInfo
- Publication number
- CN104362485A CN104362485A CN201410601661.XA CN201410601661A CN104362485A CN 104362485 A CN104362485 A CN 104362485A CN 201410601661 A CN201410601661 A CN 201410601661A CN 104362485 A CN104362485 A CN 104362485A
- Authority
- CN
- China
- Prior art keywords
- test
- lightning arrester
- conductor
- power transmission
- transmission cable
- 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.)
- Granted
Links
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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
- H01R13/562—Bending-relieving
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
- H01R13/565—Torsion-relieving
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
- H01R13/567—Traverse cable outlet or wire connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Testing Relating To Insulation (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a special lead for a test on a lightning arrester of a power transmission cable tower. The special lead comprises a lead body; the lead body comprises a lead conductor, wherein an insulating layer covers the lead conductor, a copper wire mesh shielding layer is twisted outside the insulating layer, a protective layer covers the copper wire mesh shielding layer and heat-shrinkable tubings are respectively arranged at the two ends of the protective layer; one end of the lead conductor is connected with a clamp, and the other end of the lead conductor is connected with a conductor plug; the copper wire mesh shielding layer at one side of the conductor plug is connected with an extraction plug of the copper wire mesh shielding layer. The special lead is characterized in that a layer additional copper wire mesh shielding layer covers the protective layer, and an additional protective layer covers the additional copper wire mesh shielding layer; the additional copper wire mesh shielding layer is shorter than the lead conductor, and discharging distances are set between the two ends of the additional copper wire mesh shielding layer and the two ends of the lead conductor; the two ends of the additional protective layer is integrally and hermetically connected with the protective layer; a ground wire is drawn out of the additional copper wire mesh shielding layer. The lead is good in shielding effect and is unlikely to be interfered, and the test is more accurate and reliable.
Description
Technical field
The present invention relates to the jockey in power equipment test in a kind of electric power system, specifically a kind of Special leading wire for test of lightning arrester of power transmission cable pole tower.
Background technology
The important device that electric transmission line lightning arrester damages from lightning overvoltage and switching overvoltage as a kind of protection circuit, cable; its safety problem is more and more paid close attention to; cable lightning arrester and cable terminal, circuit drainage thread are arranged by aluminium and are connected, in parallel with cable line.During normal operation, lightning arrester not conducting (only flowing through the Leakage Current of microampere order), when acting on the overvoltage on lightning arrester and reaching its operation voltage, lightning arrester conducting, by big current, release overvoltage energy, and by overvoltage Limiting at certain level.After release overvoltage energy, lightning arrester returns to previous status, thus ensure that cable line is not subject to superpotential damage.
For guaranteeing that lightning arrester can safe operation, the normal effect playing its conducting failure electric current, all can make a plan every year and carry out checking experiment work to lightning arrester, accomplish early investigation, early process.Because current power transmission lightning arrester is mostly arranged on above tens meters of shaft towers, checking experiment work is carried out to transmission of electricity lightning arrester before, two kinds of repair methods are substantially handled, one method is unloaded from shaft tower by lightning arrester, land laggard line correlation experiment work, again lightning arrester is reinstalled shaft tower after pass the test, this work way is not only time-consuming but also require great effort, and the long-term work high above the ground of staff, there are larger hazards, through dismantling, transmitting up and down, install, may there is phenomenon of colliding with in this external equipment, leave potential safety hazard to following operation; Another kind method is unloaded from shaft tower by lightning arrester, then the lightning arrester of pass the test already being returned installs on shaft tower, the brownout time can be saved like this, but the hazards in dismounting, installation process and potential safety hazard still exist, in addition, due to the moment standby redundancy will be retained, not only the wasting of resources is caused, and bring difficulty to depositing, costly.These two kinds of repair methods all need longer interruption duration, use a large amount of human and material resources, are easy to damage maintainer, dangerous.
Patent (the patent No.: 200920020867.8) that applicant applied for, a kind of Special leading wire for test of lightning arrester of power transmission cable pole tower, above-mentioned problems of the prior art can be solved, accelerate the speed of test, decrease the time of power failure, save manpower and materials, and substantially increase the job security of operating personnel, this dedicated pin structure is simple, safe and reliable, easy to connect in addition.
But it is bad that the above-mentioned dedicated pin applied for a patent also exists shield effectiveness, is easily disturbed, and affects the accuracy of testing experiment result.And the thin line between fixture and leading-in conductor easily fractures, useful life is short; In addition, also cannot fix between lead-in wire main body and test test apparatus, because lead-in wire main body is all very heavy, so tractive can be caused to copper mesh screen extraction plug, conductor plug, the unreliable of junction also can be caused even to damage.Therefore, a kind of device reliable and easy and simple to handle is needed to solve the problem.
Summary of the invention
In order to overcome the shortcoming that above-mentioned prior art exists, the object of the present invention is to provide a kind of Special leading wire for test of lightning arrester of power transmission cable pole tower, this lead-in wire shield effectiveness is good, is not easy to be disturbed, and test more accurately and reliably.
In order to solve the problem, the present invention is by the following technical solutions: Special leading wire for test of lightning arrester of power transmission cable pole tower, comprise lead-in wire main body, lead-in wire main body comprises leading-in conductor, the insulating barrier of enough resistance test voltage strengths is coated with in the outside of leading-in conductor, be wound with copper mesh screen in the outer felt of insulating barrier, the outside of copper mesh screen is coated with protective layer, is respectively equipped with a heat-shrinkable T bush outside the protective layer at two ends; One end of leading-in conductor is connected with fixture, and the other end is connected with conductor plug, and copper mesh screen and the copper mesh screen of conductor plug side are drawn plug and be connected; It is characterized in that: the outer coated one deck again of described protective layer adds copper mesh screen, outside coated one deck additional protective layers again of this additional copper mesh screen; The length of described additional copper mesh screen is less than the length of described leading-in conductor, and the two ends of additional copper mesh screen arrange arcing distance between the two ends respectively and on leading-in conductor; Seal between the two ends of described additional protective layers and described protective layer and be connected as one; Described additional copper mesh screen leads to earth connection.
As further technical scheme of the present invention:
In this Special leading wire for test of lightning arrester of power transmission cable pole tower, one section of leading-in conductor between fixture, heat-shrinkable T bush is designated as fixture and connects fine rule, fixture connects fine rule and is placed through in a bellows, one end of this bellows is fixedly connected with between heat-shrinkable T bush, and the other end of bellows is fixedly connected with described fixture; Described fixture connects fine rule length redundancy in this bellows and arranges.
Further technical scheme: this Special leading wire for test of lightning arrester of power transmission cable pole tower, also comprises front support frame, and described front-end bracket comprises clip, main strut, claw type supporting mechanism; Described clip is connected with the top of described main strut by a cross bar, described claw type supporting mechanism comprises sliding sleeve, multiple pawls and the diagonal brace for supporting pawl, what described sliding sleeve slided is nested with on described main strut, the top of described pawl is hinged on sliding sleeve, multiple pawls are around the uniform setting of axis of main strut, described diagonal brace top is hinged on the middle part of a described pawl, and the bottom of described diagonal brace is hinged on the bottom of main strut.
Further: be hinged between described cross bar and described main strut, the hinged bearing diagonal in middle part of described cross bar, the lower end of this bearing diagonal is hinged on a sleeve, what sleeve slided is nested with on described main strut, the side of described sleeve is radially provided with through hole, described main strut is pipe fitting, arranges one and radially eject and can pass the fixture block of through hole on sleeve in main strut.
Further: the inner ring working face of clip is provided with rubber layer, the surface of rubber layer is evenly equipped with some antiskid particles.
Further technical scheme: this Special leading wire for test of lightning arrester of power transmission cable pole tower, also comprises rear end support, rear end support comprises the collar, connecting rod, holding card, bandage;
Described holding card is rounded, be made up of standing part, rotating part, one end of standing part and one end of rotating part hinged, the other end of standing part, rotating part is respectively equipped with a connection lug, two connection lugs are provided with connecting through hole, cross-under fastening bolt in connecting through hole;
One end of described connecting rod is connected on the collar, and connecting rod is arranged along the radial direction of the collar, and the other end of connecting rod is connected on the standing part of holding card;
Described bandage is arranged on the below of holding card, and bandage is connected in holding card by connecting suspender belt.
Further: also comprise a support plate, the top of support plate is fixed in below the collar of the junction of the collar and connecting rod; The below of support plate is provided with opening down, and the span direction of opening is vertical with connecting rod.
Further: the working face of the standing part of described holding card is installed with arcuation elastic pressuring plate, the working face of described rotating part is also installed with arcuation elastic pressuring plate.
The invention has the beneficial effects as follows: what this dedicated pin was arranged additionally add copper mesh screen, additional protective layers can make not easily to be interfered during testing experiment; guarantee test result is more accurate; in addition the job security of operating personnel is also improved; make the guarantee that maintainer and equipment provide safer; and the fixture of this lead-in wire can not cause when being clamped and connected to fixture connect fine rule excessive tractive and repeatedly bending clamp be connected the root of fine rule, the root of fixture connection fine rule is not easy to cause and fractures.In addition, between lead-in wire and test test apparatus, go between and be all provided with support between lightning arrester, during such testing experiment, connecting safety and reliability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described further:
Fig. 1 is structure and the using state schematic diagram of the embodiment of the present invention;
Fig. 2 is the I place partial enlarged drawing of Fig. 1;
Fig. 3 is the II place partial enlarged drawing of Fig. 1;
Fig. 4 is front support shelf structure schematic diagram in the embodiment of the present invention;
Fig. 5 is the upward view of claw type supporting mechanism in the front support frame of Fig. 4;
Fig. 6 is the vertical view of clip in the front support frame of Fig. 4;
Fig. 7 is the vertical view of the clip of Fig. 6;
Fig. 8 is the close-up schematic view at III place in Fig. 4;
Fig. 9 is the structural representation of rear end support in the embodiment of the present invention;
Figure 10 is A-A cutaway view in Fig. 9,
Figure 11 is the vertical view of Fig. 9;
Figure 12 is that the B of Figure 11 is to schematic diagram.
In figure:
1 fixture connects fine rule, 2 insulating barriers, 3 copper mesh screens, 4 protective layers, 5 heat-shrinkable T bushs, 6 fixtures, 7 conductor plugs, and 8 copper mesh screens draw plug, 9 additional copper mesh screens, 10 additional protective layers, 11 earth connections, 12 bellows,
13 clips, 131 rubber layers, 14 main struts, 15 claw type supporting mechanisms, 151 sliding sleeves, 152 pawls, 153 diagonal braces, 16 cross bars, 17 bearing diagonals, 18 sleeves, 181 through holes, 19 fixture blocks, 20 springs,
21 collars, 22 connecting rods, 23 holding cards, 231 standing parts, 232 rotating parts, 233 connect lug, 234 fastening bolts, 235 arcuation elastic pressuring plates, 236 arcuation elastic pressuring plates, 24 bandages, and 25 connect suspender belt, 26 support plates, 261 openings.
Embodiment
As shown in Figure 1; this Special leading wire for test of lightning arrester of power transmission cable pole tower; comprise lead-in wire main body; lead-in wire main body comprises leading-in conductor; the insulating barrier 2 of enough resistance test voltage strengths is coated with in the outside of leading-in conductor; be wound with copper mesh screen 3 in the outer felt of insulating barrier 2, the outside of copper mesh screen 3 is coated with protective layer 4, is respectively equipped with a heat-shrinkable T bush 5 outside the protective layer at two ends.One end of leading-in conductor 1 is connected with fixture 6, and the other end is connected with conductor plug 7, and copper mesh screen 3 and the copper mesh screen of conductor plug 7 side are drawn plug 8 and be connected.
The special feature of this dedicated pin is: the outer coated one deck again of protective layer 4 adds copper mesh screen 9, outside coated one deck additional protective layers 10 again of this additional copper mesh screen 9.The length of described additional copper mesh screen 9 is less than the length of described leading-in conductor, and the two ends of additional copper mesh screen 9 arrange arcing distance L between the two ends respectively and on leading-in conductor.Additional copper mesh screen 9 leads to earth connection 11.Seal between the two ends of additional protective layers 10 and protective layer 4 and be connected as one.
The additional copper mesh screen increased, additional protective layers can make the job security of operating personnel, make the guarantee that maintainer and equipment provide safer.
In this Special leading wire for test of lightning arrester of power transmission cable pole tower, one section of leading-in conductor between fixture 6, heat-shrinkable T bush is designated as fixture and connects fine rule 1, fixture connects fine rule 1 and is placed through in a bellows 12, one end of this bellows 12 is fixedly connected with between heat-shrinkable T bush 5, and the other end of bellows 12 is fixedly connected with described fixture 6; Described fixture connects fine rule 1 length redundancy in this bellows 12 and arranges.Such fixture can not cause when being clamped and connected to fixture connect fine rule 1 excessively tractive and repeatedly bending clamp be connected the root of fine rule 1, the root of fixture connection fine rule 1 is not easy to cause and fractures.
Further: this Special leading wire for test of lightning arrester of power transmission cable pole tower, also comprise front support frame, described front-end bracket comprises clip 13, main strut 14, claw type supporting mechanism 15.Clip 13 is connected with the top of main strut 14 by a cross bar 16.Described claw type supporting mechanism 15 comprises sliding sleeve 151, multiple pawls 152 and the diagonal brace 153 for supporting pawl.What described sliding sleeve 151 slided is nested with on main strut 14, the top of propping up pawl 152 is hinged on sliding sleeve 151, multiple pawls 152 are around the uniform setting of axis of main strut 14, and described diagonal brace 153 top is hinged on the middle part of a pawl 152, and the bottom of diagonal brace 153 is hinged on the bottom of main strut 14.
Further: be hinged between cross bar 16 and main strut 14, the hinged bearing diagonal 17 in middle part of described cross bar 16, the lower end of this bearing diagonal 17 is hinged on a sleeve 18, what sleeve 18 slided is nested with on main strut 14, the side of described sleeve 18 is radially provided with through hole 181, described main strut 14 is pipe fitting, arranges one and radially eject and can pass the fixture block 19 of through hole on sleeve in main strut 14.In this embodiment, fixture block 19 is connected on spring 20, and certain this mode is only a kind of example, and the ejection realizing fixture block is not limited only to this kind of mode.In this embodiment, the head end of fixture block is dome shape, and the medial extremity of through hole is also set to Surface of Sphere counterbore shape, so both can be conducive to moving up and down of sleeve 18 when fixture block 19 is retracted, to make cross bar 16 fold up, when being conducive to again opening cross bar 16, fixture block 19 snaps in through hole 181.
During use, front support frame is vertically got up, sliding sleeve 151 automatically moves down under the Action of Gravity Field of conducting oneself with dignity and prop up pawl 152, when sliding sleeve 151 moves down, prop up pawl 152 automatically to open, diagonal brace 153 is also opened naturally automatically, and whole like this claw type supporting mechanism 15 can realize being supported on a base surface fixed, the single one hand of aforesaid operations, very convenient.Then upwards opened by cross bar 16, diagonal brace 17 is opened, and sleeve 18 moves up, and fixture block 19 snaps in through hole 181, and the position of sleeve 18 is fixed, and diagonal brace 17 realizes the support to cross bar 16.
Then lead-in wire main body is clamped in clip 13, before realization.This front support frame realizes the support to lead-in wire main body one end.The inner ring working face of this clip 13 is provided with rubber layer 131, and the surface of rubber layer 131 is evenly equipped with some antiskid particles.Like this, when clamp leads main body, the firm reliability clamped can be strengthened, the phenomenon of skidding landing can not occur, and damage can not be caused to outermost additional protective layers.
This Special leading wire for test of lightning arrester of power transmission cable pole tower also comprises rear end support, and this rear end support is for supporting the one end arranging fixture.
This rear end support comprises the collar 21, connecting rod 22, holding card 23, bandage 24.
Described holding card 23 is rounded, be made up of standing part 231, rotating part 232, one end of standing part 231 and one end of rotating part 232 hinged, the other end of standing part 231, rotating part 232 is respectively equipped with a connection lug 233, two connection lugs 233 are provided with connecting through hole, cross-under fastening bolt 234 in connecting through hole.
One end of described connecting rod 22 is connected on the collar 21, and connecting rod 22 is arranged along the radial direction of the collar 21, and the other end of connecting rod 22 is connected on the standing part 231 of holding card.
Described bandage 24 is arranged on the below of holding card 23, and bandage 24 is connected in holding card 23 by connecting suspender belt 25.
During use, fixture 6 is clipped on tested lightning arrester high-voltage connection terminal, the collar 21 is nested with on tested lightning arrester, the holding card 23 of connecting rod 22 other end blocks lead-in wire main body additional protective layers 10, bandage 24 is bundled on the additional protective layers 10 of lead-in wire main body further, because the deadweight of the main body that goes between is very heavy, lead-in wire main body can make the collar 21 tilt, the such collar 21 meeting automatic clamping is on lightning arrester, can support lead-in wire main body like this, prevent because lead-in wire main body is overweight, cause causing excessive tractive to pull to fixture connection fine rule to drag, thus avoid infringement fixture being connected to fine rule, even if also detect safety and reliability.
This Special leading wire for test of lightning arrester of power transmission cable pole tower also comprises a support plate 26, and the top of support plate 26 is fixed in below the collar 21 of the junction of the collar 21 and connecting rod 22; The below of support plate 26 is provided with opening 261 down, and the span direction of opening 261 is vertical with connecting rod 22.The collar 21 is nested with on tested lightning arrester, after holding card 23 clamps lead-in wire main body, the collar 21 meeting run-off the straight, the opening 261 of support plate 26 is made to be stuck on lightning arrester, support plate 26 can be made like this to play the effect of supplemental support, alleviate the collar 21 place stressed, avoid causing damage because local pressure is excessive to lightning arrester.
In this Special leading wire for test of lightning arrester of power transmission cable pole tower, the working face of the standing part of holding card 23 is installed with arcuation elastic pressuring plate 235, described rotation section, the working face of 232 is also installed with arcuation elastic pressuring plate 236.Talk arcuation elastic pressuring plate 235 and after holding card clamping lead-in wire main body, tight chucking power can be produced to lead-in wire main body.
Claims (8)
1. Special leading wire for test of lightning arrester of power transmission cable pole tower, comprise lead-in wire main body, lead-in wire main body comprises leading-in conductor, the insulating barrier of enough resistance test voltage strengths is coated with in the outside of leading-in conductor, copper mesh screen is wound with in the outer felt of insulating barrier, the outside of copper mesh screen is coated with protective layer, is respectively equipped with a heat-shrinkable T bush outside the protective layer at two ends; One end of leading-in conductor is connected with fixture, and the other end is connected with conductor plug, and copper mesh screen and the copper mesh screen of conductor plug side are drawn plug and be connected; It is characterized in that: the outer coated one deck again of described protective layer adds copper mesh screen, outside coated one deck additional protective layers again of this additional copper mesh screen; The length of described additional copper mesh screen is less than the length of described leading-in conductor, and the two ends of additional copper mesh screen arrange arcing distance between the two ends respectively and on leading-in conductor; Seal between the two ends of described additional protective layers and described protective layer and be connected as one; Described additional copper mesh screen leads to earth connection.
2. Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 1, it is characterized in that: one section of leading-in conductor between fixture, heat-shrinkable T bush is designated as fixture and connects fine rule, fixture connects fine rule and is placed through in a bellows, one end of this bellows is fixedly connected with between heat-shrinkable T bush, and the other end of bellows is fixedly connected with described fixture; Described fixture connects fine rule length redundancy in this bellows and arranges.
3. Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 1 and 2, is characterized in that: also comprise front support frame, and described front-end bracket comprises clip, main strut, claw type supporting mechanism; Described clip is connected with the top of described main strut by a cross bar, described claw type supporting mechanism comprises sliding sleeve, multiple pawls and the diagonal brace for supporting pawl, what described sliding sleeve slided is nested with on described main strut, the top of described pawl is hinged on sliding sleeve, multiple pawls are around the uniform setting of axis of main strut, described diagonal brace top is hinged on the middle part of a described pawl, and the bottom of described diagonal brace is hinged on the bottom of main strut.
4. Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 3, it is characterized in that: for hinged between described cross bar and described main strut, the hinged bearing diagonal in middle part of described cross bar, the lower end of this bearing diagonal is hinged on a sleeve, what sleeve slided is nested with on described main strut, the side of described sleeve is radially provided with through hole, and described main strut is pipe fitting, arranges one and radially eject and can pass the fixture block of through hole on sleeve in main strut.
5. the Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 3 or 4, is characterized in that: the inner ring working face of clip is provided with rubber layer, and the surface of rubber layer is evenly equipped with some antiskid particles.
6. Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 1, is characterized in that: also comprise rear end support, rear end support comprises the collar, connecting rod, holding card, bandage;
Described holding card is rounded, be made up of standing part, rotating part, one end of standing part and one end of rotating part hinged, the other end of standing part, rotating part is respectively equipped with a connection lug, two connection lugs are provided with connecting through hole, cross-under fastening bolt in connecting through hole;
One end of described connecting rod is connected on the collar, and connecting rod is arranged along the radial direction of the collar, and the other end of connecting rod is connected on the standing part of holding card;
Described bandage is arranged on the below of holding card, and bandage is connected in holding card by connecting suspender belt.
7. Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 6, is characterized in that: also comprise a support plate, and the top of support plate is fixed in below the collar of the junction of the collar and connecting rod; The below of support plate is provided with opening down, and the span direction of opening is vertical with connecting rod.
8. the Special leading wire for test of lightning arrester of power transmission cable pole tower according to claim 6 or 7, is characterized in that: the working face of the standing part of described holding card is installed with arcuation elastic pressuring plate, and the working face of described rotating part is also installed with arcuation elastic pressuring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410601661.XA CN104362485B (en) | 2014-10-31 | 2014-10-31 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410601661.XA CN104362485B (en) | 2014-10-31 | 2014-10-31 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104362485A true CN104362485A (en) | 2015-02-18 |
| CN104362485B CN104362485B (en) | 2016-08-17 |
Family
ID=52529723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410601661.XA Active CN104362485B (en) | 2014-10-31 | 2014-10-31 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104362485B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568139A (en) * | 2019-01-26 | 2019-04-05 | 张义 | A kind of children's dress medicine guiding device |
| CN114421350A (en) * | 2022-03-09 | 2022-04-29 | 广东吉熙安电缆附件有限公司 | Grounding device for medium-voltage C-GIS switch cabinet and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001023793A (en) * | 1999-07-07 | 2001-01-26 | Hitachi Cable Ltd | Lightning lead wire and lightning system |
| CN201413879Y (en) * | 2009-04-14 | 2010-02-24 | 山东电力集团公司济南供电公司 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
| CN101834032A (en) * | 2010-02-26 | 2010-09-15 | 株洲南车时代电气股份有限公司 | Shielded wire with lead wire and treatment process thereof |
| CN103280274A (en) * | 2013-06-17 | 2013-09-04 | 苏州智聚电子科技有限公司 | Anti-interference communication cable |
| CN203324324U (en) * | 2013-07-17 | 2013-12-04 | 国家电网公司 | Special insulating rod for resistive current test of arresters |
| CN204271406U (en) * | 2014-10-31 | 2015-04-15 | 国家电网公司 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
-
2014
- 2014-10-31 CN CN201410601661.XA patent/CN104362485B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001023793A (en) * | 1999-07-07 | 2001-01-26 | Hitachi Cable Ltd | Lightning lead wire and lightning system |
| CN201413879Y (en) * | 2009-04-14 | 2010-02-24 | 山东电力集团公司济南供电公司 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
| CN101834032A (en) * | 2010-02-26 | 2010-09-15 | 株洲南车时代电气股份有限公司 | Shielded wire with lead wire and treatment process thereof |
| CN103280274A (en) * | 2013-06-17 | 2013-09-04 | 苏州智聚电子科技有限公司 | Anti-interference communication cable |
| CN203324324U (en) * | 2013-07-17 | 2013-12-04 | 国家电网公司 | Special insulating rod for resistive current test of arresters |
| CN204271406U (en) * | 2014-10-31 | 2015-04-15 | 国家电网公司 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568139A (en) * | 2019-01-26 | 2019-04-05 | 张义 | A kind of children's dress medicine guiding device |
| CN109568139B (en) * | 2019-01-26 | 2021-05-04 | 张义 | Medicine-taking guider for children |
| CN114421350A (en) * | 2022-03-09 | 2022-04-29 | 广东吉熙安电缆附件有限公司 | Grounding device for medium-voltage C-GIS switch cabinet and use method thereof |
| CN114421350B (en) * | 2022-03-09 | 2022-12-23 | 广东吉熙安电缆附件有限公司 | Grounding device for medium-voltage C-GIS switch cabinet and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104362485B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204189992U (en) | Special leading wire for test of lightning arrester of power transmission cable pole tower bracing frame | |
| CN106153991A (en) | Test of lightning arrester termination and system | |
| CN209730201U (en) | A kind of ground connection bar | |
| WO2016023141A1 (en) | Process for live replacement of tension hard-tube bus-bar jumper insulator of +/- 800kv ultra-high-voltage dc transmission line | |
| CN105186338A (en) | Construction method of employing insulation bucket arm vehicle insulating gloves with load to change pole top switch device | |
| CN104362485A (en) | Special lead for test on lightning arrester of power transmission cable tower | |
| CN203445579U (en) | Lightning protection device for cable terminal | |
| CN204271406U (en) | Special leading wire for test of lightning arrester of power transmission cable pole tower | |
| CN209607932U (en) | A kind of ground line electroscopic device | |
| CN201413879Y (en) | Special leading wire for test of lightning arrester of power transmission cable pole tower | |
| CN106556745B (en) | Direct current voltage divider and capacitance and dielectric loss detection method thereof | |
| CN109870598A (en) | A kind of arrester Leakage Current test connection system and test method | |
| CN203690803U (en) | Backup protection device for live replacement of power transmission line tension insulator | |
| CN206850396U (en) | A kind of 10kV overhead distributions Novel lightning-proof device | |
| CN103809069A (en) | Method and device for lightning arrester fault indication | |
| CN206756982U (en) | A kind of EMUs band shields the high pressure resistant water test device of power "Jumper" cable | |
| CN202602233U (en) | Automatic drop-off composite zinc oxide arrester | |
| CN203166397U (en) | Circuit structure for eliminating induction voltage | |
| CN211480884U (en) | Lightning arrester lead wire antiskid support frame | |
| CN202563012U (en) | Large-scale power station grounding net impedance parameter measuring device | |
| CN204190074U (en) | Special leading wire for test of lightning arrester of power transmission cable pole tower support | |
| CN213337705U (en) | Resistance test auxiliary tool from blade tip of wind generating set to tower footing foundation ring | |
| CN209690405U (en) | Quickly withdraw the device of earth loop impedance test line | |
| CN205646197U (en) | Novel high pressure bonding device | |
| CN206595415U (en) | It is a kind of to be used for the safety gap of 10 kilovolts of capacitors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |