CN102270817A - Tool for changing tension insulator in live line - Google Patents
Tool for changing tension insulator in live line Download PDFInfo
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- CN102270817A CN102270817A CN2011102311938A CN201110231193A CN102270817A CN 102270817 A CN102270817 A CN 102270817A CN 2011102311938 A CN2011102311938 A CN 2011102311938A CN 201110231193 A CN201110231193 A CN 201110231193A CN 102270817 A CN102270817 A CN 102270817A
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- strain insulator
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Abstract
The invention discloses a tool for changing a tension insulator in a 110 KV live line, and the tool comprises a front clamp, a rear clamp and an insulating draw rod, wherein a draw rod fixing member and a support rod fixing member are arranged on the front clamp, a support rod rack and a draw rod hole are formed on the rear clamp, and a fastening pin is arranged on the draw rod hole; a clamp slot is formed at the middle of the body of the front clamp, a clamp hole is formed at the lower middle part of the body of the rear clamp, and the clamp slot and the clamp hole are used for clamping the two end fixing members of the tension insulator respectively; one end of the insulating draw rod is connected with the draw rod fixing member on the front lamp and the other end thereof passes through the draw rod hole on the rear clamp, and is fixed by the fastening pin which is arranged on the draw rod hole. During application, the tool is used in combination with a bottle rack to complete the electrified mounting/dismounting operation of tension insulators, is convenient to operate, reduces the power-off time, and improves the reliability of power supply. Besides, the operating mode is changed to save labor and reduce operating costs.
Description
Technical field
The present invention relates to a kind of power tool that is used for installation, maintenance, repairing or the dismounting of overhead transmission line, especially for the instrument of the charged for replacement strain insulator in the 110KV circuit.
Background technology
Transmission line is in the process of operation, owing to be subjected to the influence of various factors, the damage of insulator is inevitable, in order to guarantee power supply reliability, must in time change the insulator that damages.For 110 kilovolt, iron tower mostly is with bar is two and returns, and the form of lead vertical arrangement is more, the minimum safe distance of regulation electrified body and earth electrode is 1.0 meters in the safety regulations, satisfy safe distance under the situation, in order to save the space, the bulk of iron tower is very little.For 110 kilovolts of three-phase conducting wire vertical arrangement iron towers, last phase and middle strain insulator mutually, charged for replacement is difficult to operation, replacing generally has a power failure, but the power failure operation reduces the power supply reliability index greatly, and circuit is in the process of operation, when insulator defective occurs and can not have a power failure the time, defective can't in time be eliminated; For following phase strain insulator, the operating type that can take equipotential to combine with earth potential carries out charged for replacement, but equipotential mode complicated operation, loaded down with trivial details, its general hanging basket or insulating ladder of adopting enters electric field, to guarantee that the operating personnel is in identical current potential with electrified body, thereby assurance safety, but this mode exists shortcoming to have: 1) influenced by site environment bigger for hanging basket; 2) adopt the hard ladder of insulation, rope ladder to enter electric field, be difficult for satisfying minimum safe distance; 3) being subjected to tower structure formal constraint 4) activity duration is long, required personnel are many, operation process complexity, loaded down with trivial details.
A large amount of site examining and repairing experiences show, live line working for general elimination line defct, take the earth potential working form, average operation time can be reduced and the operating personnel reaches 50%, but need to guarantee that operating personnel and repair apparatus live part keep certain safe distance, electric pressure is high more, and its requirement to repair apparatus is also just high more.Solve on 110 kilovolt mutually and the problem of the middle charged for replacement of strain insulator mutually difficulty, reduce the activity duration of phase strain insulator under the charged for replacement, required manpower simultaneously, this just must develop and improve the power tool of changing strain insulator, improve its convenient and reliable operation as far as possible, and then take operating process comparatively simple, the less earth potential working mode of required personnel is changed insulator.
Summary of the invention
The invention provides a kind of instrument of charged for replacement strain insulator, it can be applicable to the earth potential working mode, the problem of phase and the middle charged for replacement of strain insulator mutually difficulty reduces the activity duration of phase strain insulator under the charged for replacement, required manpower simultaneously on the solution circuit.
For achieving the above object, the technical scheme that the present invention takes is: the instrument of charged for replacement strain insulator comprises preceding card, back card, pressure pin and insulated tension pole; The quantity of pressure pin and insulated tension pole is all 2, card and back card before the two ends of each pressure pin and insulated tension pole removably connect respectively; Also be respectively equipped with the hole clipping that is used to block strain insulator two ends fixture in the middle part of the body of preceding card and back card.
Preferably, be connected by the pull bar fixture between preceding card and the insulated tension pole; Card body before pull bar fixture one end removably connects, the other end insulated tension pole that removably connects.
Preferably, be connected card body before pressure pin fixture one end removably connects, the other end pressure pin that removably connects between preceding card and the pressure pin by the pressure pin fixture.
Preferably, the back card is provided with tie rod hole, and the pull bar hole wall is provided with pin shaft hole and holding pin; Insulated tension pole is provided with 1 above fixing hole; Insulated tension pole can pass tie rod hole; Holding pin can pass the fixing hole on the insulated tension pole.Tie rod hole is symmetricly set in the both ends of back card body.
Preferably, the back card is provided with rod supporting frame, and rod supporting frame is a U-shaped, and its two arms upper end is passed back card body and fixing respectively.Rod supporting frame can select for use high-intensity wire to make, bearing the gravity of pressure pin, and the gravity of insulator bottle when being positioned on the pressure pin.When using, it is that the bottle supporting frame uses that the present invention can cooperate pressure pin of the prior art, and pressure pin is used to bear the gravity of insulator bottle, only needs pressure pin one end is passed rod supporting frame, and the pressure pin fixture on the other end and the preceding card interfixes and gets final product.
As a kind of improvement, on the preceding card, the top of hole clipping also is provided with fastening bolt.During specific design, preceding card is gone up the hole clipping shape and should be adapted with the fixture shape of insulator and shaft tower link, for example, the fixture of insulator and shaft tower link is the bowl part, then after insulator bowl spare is blocked by hole clipping, insulator and shaft tower be connected the below that the gold part is positioned at fastening bolt just, can make the fixing more reliable of insulator this moment by being screwed down fastening bolt.
As a kind of improvement, on the card of back, respectively be provided with pin shaft hole on two hole walls of hole clipping; Also be provided with slidably bayonet lock on the card body of back, bayonet lock slides can pass two pin shaft holes.Concrete, the back card is gone up the shape of hole clipping and the fixture of insulator and wire connecting ends, shape as bowl spare adapts, lead passes from hole clipping with the insulator fixture and is connected, after the position is determined, bayonet lock can be plugged, bayonet lock is stuck on the connector of insulator end fixture and lead just, can be further fixing strain insulator.
Preferably, the fixing hole on the described insulated tension pole is equidistant the setting.Before being connected also and can realizing between card and the insulated tension pole by the form of bearing pin, can be during application according to the length of insulated tension pole between block card and back before the length decision of strain insulator, realize the more convenient adjustment of fixing hole of equidistant setting by cooperating fixing different fixing hole.
As a kind of improvement, between described pull bar fixture and the preceding card body for being threaded.The link of pull bar fixture and preceding card body is respectively equipped with coadapted screw thread, when the rotating rod fixture, card body before the link of pull bar fixture will produce gradually, thereby the distance before changing under the state of not adjusting the insulated tension pole fixing hole between card and the back card is to adapt to the tension force after insulator string discharges.
As a kind of improvement, described pull bar fixture is provided with rotary handle, and it can drive the rotation of pull bar fixture.To the rotary manipulation of pull bar fixture, rotary handle can 360 degree rotations for being fixed on the pull bar fixture for convenience in the setting of rotary handle.
Distance before of the present invention between last two the pull bar fixtures of card equals the distance between last two tie rod holes of back card; Distance between last two the pressure pin fixtures of preceding card equals the distance between last two the rod supporting frame centers of card, back; Described pressure pin can use bottle supporting frame of the prior art to realize, also can make separately.
Application process of the present invention comprises the installation and removal of strain insulator, and demounting procedure comprises:
(1) the preceding card among the present invention, back card, insulated tension pole are assembled, according to the position of length decision insulated tension pole between preceding card and back card of the strain insulator that will dismantle;
(2) utilizing the rope lifting of insulating to assemble the instrument of the present invention that finishes at shaft tower cross-arm place, then preceding card and back are blocked the two ends fixture that blocks strain insulator respectively, was relative fixed between card and the shaft tower cross-arm before this moment; Between card and the back card, be used to bear the gravity of insulator before then 2 pressure pins being installed in, and with force of gravity to preceding card and back card.
(3) by rotary handle the pull bar fixture on the preceding card is blocked the body direction forward and tighten up, make strain insulator to be replaced no longer bear the tension force of lead, this moment, the tension force commentaries on classics was born by insulated tension pole;
(4) because wire tension shifts,, make insulator end fixture and lead break away from so can utilize insulating bar to take off the spring catch of lead side strain insulator very easily; The instrument of the present invention that will hold insulator string then is dragged to shaft tower cross-arm side; Strain insulator string can be separated with cross-arm at last, strain insulator is placed into ground with the insulation rope; Perhaps directly will hold the instrument of the present invention that all separates the strain insulator that finishes, be placed into ground with the insulation rope with lead and shaft tower cross-arm.
When strain insulator was installed, correlation step was opposite with above-mentioned steps.
Beneficial effect
The present invention is easy and simple to handle, and flexibly light and handy, convenient lifting, transportation; Carrying out the replacing of strain insulator by the present invention can save manpower greatly, through actual verification, 8 original people can be reduced to 4 people; The present invention simultaneously is not subjected to the constraint of tower structure form when using, changed the live line working method, realized the charged for replacement of 110 kilovolt strain insulators by simple structure, improved processing safety, and can in time eliminate line defct, improve power supply reliability, guaranteed the safe and reliable operation of transmission line, thereby guaranteed the safe and reliable operation of big electrical network.
Description of drawings
Figure 1 shows that textural association schematic diagram of the present invention;
Card structure schematic diagram before Figure 2 shows that;
Figure 3 shows that the vertical view of Fig. 2;
Figure 4 shows that card structure schematic diagram behind the present invention;
Figure 5 shows that insulated tension pole structural representation of the present invention.
Embodiment
For content of the present invention is become apparent more, once be described further with embodiment in conjunction with the accompanying drawings.
In conjunction with Fig. 1 to Fig. 5, card 1, back card 2, pressure pin 4 and insulated tension pole 3 before the instrument of charged for replacement strain insulator of the present invention comprises; The quantity of pressure pin 4 and insulated tension pole 3 is all 2, card 1 and back card 2 before the two ends of each pressure pin 4 and insulated tension pole 3 removably connect respectively; Also be respectively equipped with the hole clipping 15,23 that is used to block strain insulator two ends fixture in the middle part of the body of preceding card 1 and back card 2; Wherein:
Before card 1 comprise respectively symmetrically arranged 2 pull bar fixtures 12 and 2 pressure pin fixtures 11, between pull bar fixture 12 and the preceding card body 1 for removably connecting; Form by bearing pin between pull bar fixture 12 and the insulated tension pole 3 realizes removably connecting; Realize removably connecting by bolt between pressure pin fixture 11 and the preceding card 1; Form by bearing pin between pressure pin fixture 11 and the insulated tension pole 3 realizes removably connecting; The length direction of pressure pin fixture 11 is perpendicular to pull bar fixture 12 length directions; The middle part of preceding card 1 body is provided with hole clipping 15, and the shape of the profile of hole clipping 15 and shaft tower side insulator end fixture adapts as ball spare shape; Hole clipping 15 tops are provided with fastening bolt 16, are screwed down the golden part that is connected that can prop up between strain insulator and the shaft tower cross-arm when using;
Card 2 two ends, back are respectively equipped with a tie rod hole 21, and the hole wall of tie rod hole 21 is provided with pin shaft hole and holding pin; Also be arranged with 2 U-shaped rod supporting frames 22 on the back card 2, the two arms upper end of rod supporting frame 22 is passed back card 2 bodies and fixing respectively, rod supporting frame 22 can select for use high-intensity wire to make, 4 of pressure pins are on the bottom of U-shaped rod supporting frame 22 when using, the gravity in the time of can bearing pressure pin 4 self and strain insulator and be positioned on the pressure pin 4; The middle lower portion of back card 2 bodies is provided with hole clipping 23, and two hole walls of hole clipping 23 are provided with pin shaft hole, also is provided with slidably bayonet lock 24 on card 2 bodies of back, and bayonet lock 24 slides and can pass two pin shaft holes.The sliding through of bayonet lock 24 is provided with sliding tray 25 and realizes on back card body.
Before on the card 1 distance between two pull bar fixtures 12 equal distance between last two tie rod holes 21 of back card; Distance between last two the pressure pin fixtures 11 of preceding card equals the distance between last two rod supporting frame 22 centers of card, back;
The quantity of insulated tension pole 3 is 2; Insulated tension pole is provided with a plurality of fixing holes, as preferred embodiment a kind of, among the present invention, fastens hole 31 and a plurality of mating hole 32 after fixing hole is divided into 1; Mating hole 32 is equidistant the setting; When using, can be earlier with tie rod hole 21 relative fixed that fasten after on the insulated tension pole 3 on hole 31 and the back card 2, determine which mating hole 31 and pull bar fixture 12 on the preceding card 1 to be connected to a fixed according to the length of strain insulator then.
For being threaded, be respectively equipped with coadapted screw thread 13 on the link of pull bar fixture 12 and preceding card 1 body between pull bar fixture 12 and preceding card 1 body; Pull bar fixture 12 is provided with rotary handle 14, and it can drive pull bar fixture 12 and carry out 360 degree rotations, and Plane of rotation is perpendicular to pull bar fixture 12 length directions.When rotary handle 14, card 1 body before pull bar fixture 12 will produce gradually, thus distance between 2 is blocked in card 1 and back before changing under the state of not adjusting insulated tension pole mating hole 31, to adapt to the tension force of removing behind the spring catch.
For example when using, the fixture of insulator end be a bowl part, is connected by golden part between bowl part and the cross-arm, is connected by ball spare between bowl part and the lead; Hole clipping 23 outlines on hole clipping 15 then on the card 1 and the back card all adapt with bowl part shape.After bowl spare is blocked by the hole clipping on the preceding card 15, fastening bolt 16 is rotated down, the lower end of fastening bolt 16 will prop up golden part upper end face, make that fixing of strain insulator is more reliable; Hole clipping 23 on the back card 2 is blocked the bowl part of insulator the other end, and bayonet lock 24 blocks ball spare, and further fixed insulation is convenient to next step insulator dismounting.
The present invention can cooperate pressure pin of the prior art in application be that the bottle supporting frame uses, and pressure pin is used to bear the gravity of insulator bottle, only needs pressure pin one end is passed rod supporting frame, and the pressure pin fixture on the other end and the preceding card interfixes and gets final product.
Application process of the present invention comprises the installation and removal of strain insulator, and demounting procedure comprises:
(1) the preceding card among the present invention, back card, insulated tension pole are assembled, according to the position of length decision insulated tension pole between preceding card and back card of the strain insulator that will dismantle;
(2) utilizing the rope lifting of insulating to assemble the instrument of the present invention in conjunction with pressure pin that finishes at shaft tower cross-arm place, then preceding card and back are blocked the two ends of blocking main strain insulator respectively, was relative fixed between card and the shaft tower cross-arm before this moment; Between card and the back card, be used to bear the gravity of insulator before then 2 pressure pins being installed in, and with force of gravity to preceding card and back card.
(3) by rotary handle the pull bar fixture on the preceding card is blocked the body direction forward and tighten up, make strain insulator to be replaced no longer bear the tension force of lead, this moment, the tension force commentaries on classics was born by insulated tension pole;
(4) because wire tension shifts,, make insulator end fixture and lead break away from so can utilize insulating bar to take off the spring catch of lead side strain insulator very easily; The instrument of the present invention that will hold insulator string then is dragged to shaft tower cross-arm side; Strain insulator string can be separated with cross-arm at last, strain insulator is placed into ground with the insulation rope; Perhaps directly will hold the instrument of the present invention that all separates the strain insulator that finishes, be placed into ground with the insulation rope with lead and shaft tower cross-arm.
When strain insulator was installed, correlation step was opposite with above-mentioned steps.
Concrete case study on implementation only is a preferable case study on implementation of the present invention described in the present invention, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be as technology category of the present invention.
Claims (10)
1. the instrument of charged for replacement strain insulator is characterized in that, comprises preceding card, back card, pressure pin and insulated tension pole; The quantity of pressure pin and insulated tension pole is all 2, card and back card before the two ends of each pressure pin and insulated tension pole removably connect respectively; Also be respectively equipped with the hole clipping that is used to block strain insulator two ends fixture in the middle part of the body of preceding card and back card.
2. the instrument of charged for replacement strain insulator according to claim 1 is characterized in that, is connected by the pull bar fixture between preceding card and the insulated tension pole; Card body before pull bar fixture one end removably connects, the other end insulated tension pole that removably connects.
3. the instrument of charged for replacement strain insulator according to claim 1 is characterized in that, is connected by the pressure pin fixture between preceding card and the pressure pin, card body before pressure pin fixture one end removably connects, the other end pressure pin that removably connects.
4. the instrument of charged for replacement strain insulator according to claim 1 is characterized in that, the back card is provided with tie rod hole, and the pull bar hole wall is provided with pin shaft hole and holding pin; Insulated tension pole is provided with 1 above fixing hole; Insulated tension pole can pass tie rod hole; Holding pin can pass the fixing hole on the insulated tension pole.
5. the instrument of charged for replacement strain insulator according to claim 1 is characterized in that, the back card is provided with rod supporting frame, and rod supporting frame is a U-shaped, and its two arms upper end is passed back card body and fixing respectively.
6. the instrument of charged for replacement strain insulator according to claim 1 is characterized in that, on the preceding card, the top of hole clipping also is provided with fastening bolt.
7. the instrument of charged for replacement strain insulator according to claim 1 is characterized in that, on the card of back, respectively is provided with pin shaft hole on two hole walls of hole clipping; Also be provided with slidably bayonet lock on the card body of back, bayonet lock slides can pass two pin shaft holes.
8. the instrument of charged for replacement strain insulator according to claim 4 is characterized in that, the fixing hole on the described insulated tension pole is equidistant the setting.
9. the instrument of charged for replacement strain insulator according to claim 2 is characterized in that, between described pull bar fixture and the preceding card body for being threaded.
10. the instrument of charged for replacement strain insulator according to claim 9 is characterized in that, described pull bar fixture is provided with rotary handle, and it can drive the rotation of pull bar fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102311938A CN102270817A (en) | 2011-08-12 | 2011-08-12 | Tool for changing tension insulator in live line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102311938A CN102270817A (en) | 2011-08-12 | 2011-08-12 | Tool for changing tension insulator in live line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102270817A true CN102270817A (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102311938A Pending CN102270817A (en) | 2011-08-12 | 2011-08-12 | Tool for changing tension insulator in live line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102270817A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623929A (en) * | 2012-04-06 | 2012-08-01 | 辽宁省电力有限公司丹东供电公司 | Multifunctional integral telescopic insulator cradle |
| CN102882155A (en) * | 2012-10-19 | 2013-01-16 | 山东电力集团公司枣庄供电公司 | Supporting frame for replacing line insulator |
| CN102931614A (en) * | 2012-11-27 | 2013-02-13 | 宁波市鄞州供电局 | Tension china bottle replacing device |
| CN103269038A (en) * | 2013-05-28 | 2013-08-28 | 国家电网公司 | Aerodynamic disc-shaped suspending type glass insulator replacing clamp |
| CN105098655A (en) * | 2015-08-25 | 2015-11-25 | 广东电网有限责任公司惠州供电局 | Strain insulator exchange tool |
| CN106300138A (en) * | 2016-10-27 | 2017-01-04 | 国网浙江省电力公司绍兴供电公司 | A kind of fixture of live-line replacing strain single insulator |
| CN107482532A (en) * | 2017-09-28 | 2017-12-15 | 乐志胜 | A kind of multi-purpose bottle-holding rack of adjustable electric power overhaul |
| CN108599003A (en) * | 2018-06-21 | 2018-09-28 | 国网冀北电力有限公司廊坊供电公司 | Overhead line electricity testing grounding ring wire clamp shield Electrified installation tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201336531Y (en) * | 2009-01-13 | 2009-10-28 | 福建省三明电业局 | Clamping tool for replacing charged insulators of pre-stranded hardware fittings |
| CN202206067U (en) * | 2011-08-12 | 2012-04-25 | 江苏省电力公司南京供电公司 | Tool for replacing line tension insulator on live |
-
2011
- 2011-08-12 CN CN2011102311938A patent/CN102270817A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201336531Y (en) * | 2009-01-13 | 2009-10-28 | 福建省三明电业局 | Clamping tool for replacing charged insulators of pre-stranded hardware fittings |
| CN202206067U (en) * | 2011-08-12 | 2012-04-25 | 江苏省电力公司南京供电公司 | Tool for replacing line tension insulator on live |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623929A (en) * | 2012-04-06 | 2012-08-01 | 辽宁省电力有限公司丹东供电公司 | Multifunctional integral telescopic insulator cradle |
| CN102882155A (en) * | 2012-10-19 | 2013-01-16 | 山东电力集团公司枣庄供电公司 | Supporting frame for replacing line insulator |
| CN102931614A (en) * | 2012-11-27 | 2013-02-13 | 宁波市鄞州供电局 | Tension china bottle replacing device |
| CN102931614B (en) * | 2012-11-27 | 2015-08-05 | 宁波市鄞州供电局 | Tension-resistant china bottle replacement device |
| CN103269038A (en) * | 2013-05-28 | 2013-08-28 | 国家电网公司 | Aerodynamic disc-shaped suspending type glass insulator replacing clamp |
| CN105098655A (en) * | 2015-08-25 | 2015-11-25 | 广东电网有限责任公司惠州供电局 | Strain insulator exchange tool |
| CN106300138A (en) * | 2016-10-27 | 2017-01-04 | 国网浙江省电力公司绍兴供电公司 | A kind of fixture of live-line replacing strain single insulator |
| CN107482532A (en) * | 2017-09-28 | 2017-12-15 | 乐志胜 | A kind of multi-purpose bottle-holding rack of adjustable electric power overhaul |
| CN108599003A (en) * | 2018-06-21 | 2018-09-28 | 国网冀北电力有限公司廊坊供电公司 | Overhead line electricity testing grounding ring wire clamp shield Electrified installation tool |
| CN108599003B (en) * | 2018-06-21 | 2023-04-28 | 国网冀北电力有限公司廊坊供电公司 | Electrified mounting tool for overhead line electricity-checking grounding loop clamp shield |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. JIANGSU ELECTRIC POWER CO Effective date: 20130216 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130216 Address after: Nanjing City, Jiangsu province 210019 Olympic Avenue No. 1 Applicant after: Nanjing Power Supply Co., Jiangsu Prov. Power Co. Applicant after: State Grid Corporation of China Applicant after: Jiangsu Electric Power Company Address before: Nanjing City, Jiangsu province 210019 Olympic Avenue No. 1 Applicant before: Nanjing Power Supply Co., Jiangsu Prov. Power Co. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111207 |