CN103166148A - Decomposition type tensioning resistant double string vertically-arranged insulator string ground potential replacing clamping apparatus - Google Patents
Decomposition type tensioning resistant double string vertically-arranged insulator string ground potential replacing clamping apparatus Download PDFInfo
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- CN103166148A CN103166148A CN201310059810XA CN201310059810A CN103166148A CN 103166148 A CN103166148 A CN 103166148A CN 201310059810X A CN201310059810X A CN 201310059810XA CN 201310059810 A CN201310059810 A CN 201310059810A CN 103166148 A CN103166148 A CN 103166148A
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Abstract
The invention discloses a decomposition type tensioning resistant double string vertically-arranged insulator string ground potential replacing clamping apparatus which comprises a front clamp, an insulating pull rod, a fastening screw rod and a rear clamp. The front clamp can achieve long-distance indirect installation and is blocked. The insulating pull rod is matched with the front clamp in use, a positioning pin is arranged on an end portion of the insulating pull rod and is perpendicular to a rod body of the insulating pull rod, and the front clamp is wing-shaped. Through holes matched with the insulating pull rod are formed in two ends of two side wings of the wing-shaped front clamp, and grooves extending along the axial direction of the through holes and enabling the positioning pin fixed on the insulating pull rod to penetrate through are formed in hole walls of the through holes. The decomposition type tensioning resistant double string vertically-arranged insulator string ground potential replacing clamping apparatus has the advantages that the whole set of the clamping apparatus is decentralized to elements in a decomposition type and is installed on vertically-arranged double bundled conductors which operate with electricity, and the problem that ground potential cannot operate with the electricity through construction process in the past is solved.
Description
Technical field
The present invention relates to a kind of replacing ground potentials of tension insulator string in vertical dual-string arrangement jig, particularly a kind of disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement.
Background technology
The most critical factor of earth potential live replacing operation is the overall weight of jig, fastening type earth potential live operation jig is all after overall package is completed usually, again jig is snapped onto cross-arm and conductor wire end and carry out operation, the problem that occur this moment is exactly, charged jig weight after assembling is not light, and (be generally front card+arm-tie+leading screw+rear card, also have at last a bottle-holding rack) electric pressure is higher, the jig of assembling is also just heavier, and difficulty of construction is larger.The assembling weight of existing double bundle conductor jig is greatly about the 15-25kg left and right, that is to say that No. 1 electrician must bear the strength of nearly hundred kilograms and could satisfy the requirement of the charged jig of assembling indirectly, therefore existing technique is difficult to complete the earth potential replacement operation of tension double-string vertical arrangement insulator string.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, and provide a kind of jig integral installation weight that reduces, simplify operation procedure, alleviate operating personnel's labour intensity, reduce live line working dangerous, the disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement of increasing work efficiency.
A kind of disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement, include front card, insulation pulling plate or pull-rod, fastening screw mandrel, rear card, it is characterized in that: described front card be for can realize remote indirectly the installation and the front card of locking, described insulation pulling plate or pull-rod insulation pulling plate or the pull-rod for being used in combination with front card with locking device.
adopt this front card with locking device and can insulation pulling plate matching used with it or pull-rod, first the locking device on front card is arranged at unlocking condition during use, then front card independently is arranged on assigned address, by action bars, insulation pulling plate or pull-rod are snapped in front card by the operator, and operation insulation pulling plate or pull-rod are adjusted to the length that needs, then again the locking device on front card is locked, to complete the installation of left and right insulation pulling plate, after rear card is arranged on crosspiece side triangle wins in succession, with the screw mandrel of rear card be connected with insulation pulling plate complete after fastening left and right sides screw mandrel of while, making it wire insulation loses stressed, then operate insulating bar and carry out write off work, taking out at last the new insulator of replacing insulator unclamps jig to assigned address and completes replacing.The method that adopts this decomposition to install, jig is detachable, front card can pass through flexibly double bundle conductor and complete the installation of lower layer conductor, the function of reliable locking device is arranged, weight when having reduced a whole set of jig installation, this method both can be simplified operation procedure, alleviated operating personnel's labour intensity, reduced the danger of live line working, increase work efficiency, greatly improved again power supply reliability and maintenance benefit.
described front card with locking device is wing card, the both ends of wing card two flanks are square open slot, the opening direction of described open slot parallels with the plane extension direction of wing card two flanks, offer the positioning through hole of mutual perforation on two trough rims up and down of wing card two flank open slots, also be provided with a lockweight on wing card, this lockweight is movably connected on the positioning through hole place on wing card two flanks, block two flank open slots before insulation pulling plate snaps in this before, described lockweight utilizes keeper to be located on two flank open slots the trough rim place, be provided with the through hole that can insert lockweight on insulation pulling plate, when blocking two flank open slots before insulation pulling plate inserts, push keeper aside, lockweight freely falls under the effect of deadweight, make lockweight complete to latch action by the position of adjusting insulation pulling plate, pin insulation pulling plate and front card
The front card of this structure when mounted, insulation pulling plate is entered along the open slot on front card two flanks by action bars by an electrician, the operation insulation pulling plate is adjusted to the length that needs, No. two electricians utilize insulating bar that the keeper on front card two flanks is pushed aside and make lockweight freely fall, adjust insulation pulling plate to lockweight and complete locking.Complete the installation of left and right insulation pulling plate with the method.Card after then installing again.
The mode that lockweight is movably connected on wing card two flanks is: along lockweight axially offer the logical heart slotted hole of a section, be provided with the latch that lockweight can be stuck on wing card in logical heart slotted hole.
During use, utilize latch to pass passing through on lockweight, then lockweight is filled in the through hole of trough rim on wing card two flanks, and utilized latch to be stuck on wing card.
Described flexible connection can also be that the flexible things such as direct sharp rope hang on lockweight on wing card two flanks.
Described keeper is movably connected on front card.
The flexible connection of described keeper hangs on keeper on front card for flexible things such as employing ropes, or keeper is articulated on front card.
Described keeper or be spring leaf, or be common blocks etc.
The present invention also is:
Described front card with locking device is wing card, two ends at wing front card two flanks are provided with the through hole that matches with the pull-rod that insulate, be provided with on the hole wall of through hole axially extended along through hole, can be for the groove that passes of alignment pin that is fixed in the insulation pull-rod.
The front card of this structure, in use, due to the Self-closing lock device, therefore can realize installing with the decomposition of rear card, insulation pulling plate, when mounted, front card can independently be arranged on assigned address or pass through be arranged on operate by insulating bar after lower Square wire before the lockweight of card front card is stuck in wire regulates and complete locking on winning in succession, then before operation insulation pull-rod enters after the card guide groove rotation complete the block action of insulation pull-rod and front card.Its concrete operations are the through hole on card two flanks before its end being inserted with the insulation pull-rod of alignment pin by action bars by electrician, (with the insulation pull-rod of alignment pin for the end at the insulation pull-rod be provided with one with the perpendicular alignment pin of insulation pull-rod rod body), the pull-rod that will insulate is put and is turned an angle, make stagger groove on hole wall of the alignment pin of insulation on pull-rod, can realize the fixing of pull-rod and front card that insulate this moment, card after then installing again.Therefore adopt the various shortcomings that front card of the present invention has overcome needs the employing integral installation to bring, greatly reduce operating personnel's labour intensity.
Be provided with on the exit end face of wing front card two flanks and the through hole that is used in combination of insulation pull-rod with through hole in the groove open slot that alignment pin on Gong the insulation pull-rod of angle snaps in that staggers.
On the exit end face of the through hole that two flanks and insulation pull-rod are used in combination, open slot is set, the alignment pin of insulation pull-rod on pull-rod after angle of rotation can snap in wherein like this, thereby the pull-rod that prevents from insulating in use rotates and plays good positioning action.
Be provided with the gathering sill of arc in wing front card two flanks and the Lower Half of the arrival end of the through hole that is used in combination of insulation pull-rod.
Bottom at arrival end arranges gathering sill, the pull-rod insertion from afar of can conveniently insulating.
Described gathering sill stretches out for the end face by the through hole lower half.
Also be provided with at the port of export of wing front card two flanks and the through hole that is used in combination of insulation pull-rod the pull-rod that prevents from insulating and pass too much stopping means.
Described stopping means is and the catch that is arranged on front card.
Groove on the through-hole wall that card two flanks and insulation pull-rod are used in combination before described shape or be one, or be the flat recess on the diameter two ends that distribute.
In sum, the present invention's following advantage compared to existing technology:
the present invention is broken the whole up into parts a whole set of jig breakdown on the vertical arrangement double bundle conductor that is contained in charging operation, solve the problem that construction technology in the past can't the earth potential live operation, namely the whole series can the be weighed jig of more than 30 kilogram of the jig of decomposed design resolves into a plurality of single components substeps and connects installation in the ranks wire is enterprising when the earth potential indirect live working, its purpose is exactly the progressively raising that solves along with electric pressure and wire load, original thinking is design just can't be installed to more and more heavier jig on wire with construction technology operating type is basic, the thorough head it off of this decomposition method, front card can pass through the stressed position that double bundle conductor arrives appointment flexibly, designed safe and reliable locking device, so that utilize insulating bar to assemble during indirect operating, stressed reliable after locking.A whole set of breakdown electrification replacing tool has the operating flexibility convenience, locking is reliable, applicable to the replacing insulator under electrified operation of compact line, the vertical double bundle conductor framework of wiring on the same tower multi-circuit tower.
Description of drawings
Fig. 1 is the front card structure schematic diagram of inventive embodiments 1.
Fig. 2 is the structure enlarged drawing of the lockweight of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the front card structure schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural representation with the insulation pull-rod of alignment pin.
Gathering sill 44 stopping means 5 alignment pins of open slot 43 arcs on the groove 42 through hole ports of export that can pass for the alignment pin on the pull-rod that insulate in logical heart slotted hole 22 latch 3 wing card two flanks of keeper 4 and through hole 41 through holes that the insulation pull-rod matches on positioning through hole 2 lockweight 21 lockweights on open slot 11 open slots at the wing front card of label declaration 1 both ends.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.
A kind of disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement, it includes can realize remote indirectly the installation and the front card of locking, with the insulation pulling plate that front card with locking device is used in combination, fastening screw mandrel, rear card;
first the locking device on front card is arranged at unlocking condition, then front card independently is arranged on assigned address, by action bars, insulation pulling plate is snapped in front card by the operator, by action bars, insulation pulling plate is snapped in front card by the operator, and the operation insulation pulling plate is adjusted to the length that needs, then again the locking device on front card is locked, to complete the installation of left and right insulation pulling plate, again rear card is arranged on crosspiece side triangle wins in succession, with the screw mandrel of rear card be connected with insulation pulling plate complete after fastening left and right sides screw mandrel of while, making it wire insulation loses stressed, then operate insulating bar and carry out write off work, taking out at last the new insulator of replacing insulator unclamps jig to assigned address and completes replacing.
described front card with locking device is wing card (as Fig. 1-3), the both ends of wing card two flanks are square open slot 1, the opening direction of described open slot parallels with the plane extension direction of wing card two flanks, offer the positioning through hole 11 of mutual perforation on two trough rims up and down of wing card two flank open slots, also be provided with a lockweight 2 on wing card, this lockweight is movably connected on the positioning through hole place on wing card two flanks, block two flank open slots before insulation pulling plate snaps in this before, described lockweight utilizes keeper to be located on two flank open slots the trough rim place, be provided with the through hole that can insert lockweight on insulation pulling plate, when blocking two flank open slots before insulation pulling plate inserts, push keeper aside, lockweight freely falls under the effect of deadweight, make lockweight complete to latch action to pin insulation pulling plate and front card by the position of adjusting insulation board.The front card of this structure when mounted, insulation pulling plate is entered along the open slot on front card two flanks by action bars by an electrician, the operation insulation pulling plate is adjusted to the length that needs, No. two electricians utilize insulating bar that the keeper on front card two flanks is opened and make lockweight freely fall, adjust insulation pulling plate to lockweight and complete the action that latches.Complete the installation of left and right insulation pulling plate with the method.Card after then installing again.The mode that lockweight is movably connected on wing card two flanks is: along lockweight axially offer the logical heart slotted hole 21 of a section, be provided with the latch 22 that lockweight can be stuck on wing card in logical heart slotted hole.Described keeper 3 is spring leaf, and it is articulated on front card.
It is same as the prior art that the present embodiment is not stated part.
A kind of disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement, it includes can realize remote indirectly the installation and the front card of locking, with the insulation pulling plate that front card with locking device is used in combination, fastening screw mandrel, rear card;
first the locking device on front card is arranged at unlocking condition, then front card independently is arranged on assigned address, snap in front card by the operator by the action bars pull-rod that will insulate, snap in front card by the operator by the action bars pull-rod that will insulate, and operation insulation pull-rod is adjusted to the length that needs, then again the locking device on front card is locked, to complete the installation of left and right insulation pulling plate, again rear card is arranged on crosspiece side triangle wins in succession, the screw mandrel of rear card is connected with the insulation pull-rod complete after fastening left and right sides screw mandrel of while, making it wire insulation loses stressed, then operate insulating bar and carry out write off work, taking out at last the new insulator of replacing insulator unclamps jig to assigned address and completes replacing.
Described front card with locking device is wing card (as Fig. 4-6), be provided with the through hole 4 that matches with the pull-rod that insulate at the two ends of wing front card two flanks, be provided with groove 41 axially extended along through hole, that can pass for the alignment pin that is fixed in insulation pull-rod end on the hole wall of through hole.The front card of this structure, in use, due to self-locking gear, therefore can realize installing with the decomposition of rear card, insulation pulling plate, when mounted, front card can independently be arranged on assigned address or pass through be arranged on operate by insulating bar after lower Square wire before the lockweight of card front card is stuck in wire regulates and complete locking on winning in succession.Its concrete operations are the through hole on card two flanks before its end being inserted with the insulation pull-rod of lockweight by action bars by electrician, (with the insulation pull-rod of alignment pin for the end at the insulation pull-rod be provided with one with the perpendicular alignment pin of insulation pull-rod rod body), the pull-rod that will insulate rotates an angle, make stagger groove on hole wall of the alignment pin of insulation on pull-rod, can realize the fixing of pull-rod and front card that insulate this moment, card after then installing again.Be provided with on the exit end face of wing front card two flanks and the through hole that is used in combination of insulation pull-rod with through hole in the groove open slot 42 that alignment pin on Gong the insulation pull-rod of angle snaps in that staggers.The lockweight of insulation pull-rod on pull-rod after angle of rotation can snap in wherein like this.Be provided with the gathering sill 43 of arc in wing front card two flanks and the Lower Half of the arrival end of the through hole that is used in combination of insulation pull-rod.Be used for guiding insulation pull-rod.Described gathering sill stretches out for the end face by the through hole lower half.Also be provided with at the port of export of wing front card two flanks and the through hole that is used in combination of insulation pull-rod the pull-rod that prevents from insulating and pass too much stopping means 44.Stopping means is the catch that is arranged on front card, the groove of the groove in-line on the through-hole wall that before described shape, card two flanks and insulation pull-rod are used in combination.
It is same as the prior art that the present embodiment is not stated part.
Claims (4)
1. disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement, include front card, the insulation pull-rod, fastening screw mandrel, with rear card, it is characterized in that: described front card is for realizing the front card of remote installation indirectly and locking, described insulation pull-rod is the insulation pull-rod that is used in combination with front card, end at the insulation pull-rod is provided with alignment pin, alignment pin is perpendicular with the excellent body of insulation pull-rod, described front card is wing front card, two ends at wing front card two flanks are provided with the through hole that matches with the pull-rod that insulate, be provided with along through hole axially extended on the hole wall of through hole, can be for the groove that passes of alignment pin that is fixed in the insulation pull-rod.
2. disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement according to claim 1 is characterized in that: be provided with on the exit end face of the through hole that wing front card two flanks and insulation pull-rod are used in combination with through hole in the groove open slot that alignment pin on Gong the insulation pull-rod of angle snaps in that staggers.
3. disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement according to claim 2 is characterized in that: the Lower Half of the arrival end of the through hole that is used in combination at wing front card two flanks and insulation pull-rod is provided with the gathering sill of arc.
4. disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement according to claim 3 is characterized in that: the port of export of the through hole that is used in combination at wing front card two flanks and insulation pull-rod also is provided with the pull-rod that prevents from insulating and passes too much stopping means.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110190425 CN102231495B (en) | 2011-07-07 | 2011-07-07 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110190425 Division CN102231495B (en) | 2011-07-07 | 2011-07-07 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103166148A true CN103166148A (en) | 2013-06-19 |
| CN103166148B CN103166148B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110190425 Active CN102231495B (en) | 2011-07-07 | 2011-07-07 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN201310059810.XA Active CN103166148B (en) | 2011-07-07 | 2011-07-07 | Decomposition type tensioning resistant double string vertically-arranged insulator string ground potential replacing clamping apparatus |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110190425 Active CN102231495B (en) | 2011-07-07 | 2011-07-07 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
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| CN (2) | CN102231495B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701069A (en) * | 2013-12-16 | 2014-04-02 | 国家电网公司 | Installation method of protective reinforced type wing-shaped fixture |
| CN105449582A (en) * | 2015-12-22 | 2016-03-30 | 国网福建省电力有限公司泉州供电公司 | Square connecting plate fixture, double-string tension insulator replacing device and method |
| CN108732473A (en) * | 2018-05-02 | 2018-11-02 | 沈阳工业大学 | A kind of miniaturization disc insulator surface charge distribution synchronous measuring apparatus and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958383A (en) * | 2016-07-11 | 2016-09-21 | 云南电网有限责任公司昆明供电局 | Clamp for live replacement of 35-110 kV compression type clip single strain insulator string |
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| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
| KR20080024840A (en) * | 2006-09-15 | 2008-03-19 | 한국전기공사협회 | Live-line changing method of the damaged insulator in suspension insulator strings for 765kv double circuit transmission lines |
| CN201515166U (en) * | 2009-07-26 | 2010-06-23 | 江西赣州供电公司 | Adjustable expansion resistant airfoil card |
| CN201690163U (en) * | 2010-05-26 | 2010-12-29 | 福建省晋江市电力有限责任公司 | Electrified replacement device of 110kV line strain insulator string |
| CN201774186U (en) * | 2010-08-04 | 2011-03-23 | 吉林省电力有限公司长春供电公司 | End clamp for ground potential replacement of 500kV linear insulators |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101931181B (en) * | 2010-03-26 | 2012-12-05 | 福建省电力有限公司厦门电业局 | Strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device |
| CN202127208U (en) * | 2011-07-07 | 2012-01-25 | 福建省电力有限公司漳州电业局 | Disassemble type tension double-string vertically arranged insulator chain ground potential change fixture |
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2011
- 2011-07-07 CN CN 201110190425 patent/CN102231495B/en active Active
- 2011-07-07 CN CN201310059810.XA patent/CN103166148B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
| KR20080024840A (en) * | 2006-09-15 | 2008-03-19 | 한국전기공사협회 | Live-line changing method of the damaged insulator in suspension insulator strings for 765kv double circuit transmission lines |
| CN201515166U (en) * | 2009-07-26 | 2010-06-23 | 江西赣州供电公司 | Adjustable expansion resistant airfoil card |
| CN201690163U (en) * | 2010-05-26 | 2010-12-29 | 福建省晋江市电力有限责任公司 | Electrified replacement device of 110kV line strain insulator string |
| CN201774186U (en) * | 2010-08-04 | 2011-03-23 | 吉林省电力有限公司长春供电公司 | End clamp for ground potential replacement of 500kV linear insulators |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701069A (en) * | 2013-12-16 | 2014-04-02 | 国家电网公司 | Installation method of protective reinforced type wing-shaped fixture |
| CN105449582A (en) * | 2015-12-22 | 2016-03-30 | 国网福建省电力有限公司泉州供电公司 | Square connecting plate fixture, double-string tension insulator replacing device and method |
| CN108732473A (en) * | 2018-05-02 | 2018-11-02 | 沈阳工业大学 | A kind of miniaturization disc insulator surface charge distribution synchronous measuring apparatus and method |
| CN108732473B (en) * | 2018-05-02 | 2023-10-27 | 沈阳工业大学 | Miniaturized basin-type insulator surface charge distribution synchronous measurement device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102231495A (en) | 2011-11-02 |
| CN103166148B (en) | 2015-07-08 |
| CN102231495B (en) | 2013-09-18 |
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