CN103427370B - The live replacing device of ultra-high-tension power transmission line strain insulator string - Google Patents
The live replacing device of ultra-high-tension power transmission line strain insulator string Download PDFInfo
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- CN103427370B CN103427370B CN201310401341.5A CN201310401341A CN103427370B CN 103427370 B CN103427370 B CN 103427370B CN 201310401341 A CN201310401341 A CN 201310401341A CN 103427370 B CN103427370 B CN 103427370B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 239000012211 strain insulator Substances 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 49
- 239000012212 insulator Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 4
- 230000005684 electric field Effects 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 description 4
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention provides a kind of live replacing device of ultra-high-tension power transmission line strain insulator string, comprise thread-tightening lead screw, insulation pulling plate, front card, rear card and insulator support, one end of described insulation pulling plate is fixedly connected with described thread-tightening lead screw, its other end with described before fasten and be connected, described thread-tightening lead screw arranges and blocks in the rear, described insulator support is set on described insulation pulling plate slidably, before described, card is formed with front bayonet slot, described rear card is formed with rear draw-in groove.The live replacing device of ultra-high-tension power transmission line strain insulator string provided by the invention, use this new device to carry out earth potential live replacing tension double-string synthetic insulator (wherein a string) operation and successfully can solve power line tension bar (tower) fault tension double-string synthetic insulator (wherein a string) replacing, avoid equal potential working personnel and directly enter electric field, alleviate labour intensity, improve the fail safe of operation.
Description
Technical field
The invention belongs to ultra-high-tension power transmission line hotline maintenance Work tool technical field, be specifically related to a kind of live replacing device of ultra-high-tension power transmission line strain insulator string.
Background technology
Along with the progress of society, the quickening of economic construction speed, power customer provides high-quality, reliably power reguirements more and more higher to power department.Live line working maintenance not only can provide continuously for user, uninterrupted power supply, goes back and can improve the power supply reliability of electrical network.
Within the scope of China, the charged work operations of replacing of 110kV-220kV tension double-string synthetic insulator (wherein a string) mainly takes the mode of equal potential working to carry out at present.Equal potential working compares earth potential working, and working strength is large, and the electric field radiation that bears of equal potential working personnel and job safety have a big risk.
Summary of the invention
The problem that technical problem to be solved by this invention is that the working strength existed for existing equal potential working is large, electric field radiation and job safety have a big risk, provides a kind of live replacing device of ultra-high-tension power transmission line strain insulator string.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of live replacing device of ultra-high-tension power transmission line strain insulator string is provided, comprise thread-tightening lead screw, insulation pulling plate, front card, rear card and insulator support, one end of described insulation pulling plate is fixedly connected with described thread-tightening lead screw, its other end with described before fasten and be connected, described thread-tightening lead screw arranges and blocks in the rear, described insulator support is set on described insulation pulling plate slidably, before described, card is formed with front bayonet slot, described rear card is formed with rear draw-in groove.
Further, described thread-tightening lead screw comprises lead screw handle, the turning set be connected with described lead screw handle, be arranged on the ratchet mechanism in described turning set, the minor leading screw be connected with described ratchet mechanism, be set in the middle silk cylinder on described minor leading screw, be arranged on the thrust bearing in described middle silk cylinder, rear end cap and be arranged on the connecting portion of described minor leading screw one end, described ratchet mechanism is pressed between described rear end cap and described thrust bearing, described middle silk cylinder arranged outside has Assembly rail, described connecting portion is provided with the first insulation pulling plate groove, one end of described insulation pulling plate is arranged in described first insulation pulling plate groove.
Further, described rear card is also formed with rear card hugging, described Assembly rail is arranged in the rear in card hugging.
Further, before described, card is also formed with the second insulation pulling plate groove, the other end of described insulation pulling plate is arranged in described second insulation pulling plate groove.
Further, described insulator support comprises bracket body, the multiple pulleys be arranged in described bracket body, the limiting plate be connected with described bracket body, the adjustable plate be connected with described limiting plate, place ring for the spacing lock pin and the insulating bar be arranged on described adjustable plate that limit described limiting plate and described adjustable plate relative position, described multiple pulley at least comprises two pulleys be oppositely arranged up and down, the both sides up and down of described insulation pulling plate respectively with described upper and lower pulley contact.
Further, before described front card being provided with, card is auxiliary links up with.
Further, also comprise operation hook, the suspension hook comprising bracing frame, be arranged on the movable pulley in support frame as described above and be arranged on below support frame as described above is linked up with in described operation.
Further, also insulating bar is comprised.
Further, described insulating bar one end is provided with hook.
The live replacing device of ultra-high-tension power transmission line strain insulator string provided by the invention, use this new device to carry out earth potential live replacing tension double-string synthetic insulator (wherein a string) operation and successfully can solve power line tension bar (tower) fault tension double-string synthetic insulator (wherein a string) replacing, avoid equal potential working personnel and directly enter electric field, alleviate labour intensity, improve the fail safe of operation.
Accompanying drawing explanation
Fig. 1 is the end view of the live replacing device of the ultra-high-tension power transmission line strain insulator string that one embodiment of the invention provides;
Fig. 2 is the vertical view of the live replacing device of the ultra-high-tension power transmission line strain insulator string that one embodiment of the invention provides;
Fig. 3 is the structural representation of thread-tightening lead screw;
Fig. 4 is the transverse sectional view of insulation pulling plate;
Fig. 5 is the longitudinal sectional view of insulation pulling plate;
Fig. 6 is the end view of front card;
Fig. 7 is the longitudinal sectional view of rear card;
Fig. 8 is the vertical view of rear card;
Fig. 9 is the installation diagram of insulation pulling plate, insulating bar and insulator support;
Figure 10 is the installation diagram of front card, operation hook and insulating bar.
In figure: thread-tightening lead screw 1, lead screw handle 11, turning set 12, ratchet mechanism 13, minor leading screw 14, middle silk cylinder 15, thrust bearing 16, rear end cap 17, connecting portion 18, first insulation pulling plate groove 181, insulation pulling plate 2, front card 3, front bayonet slot 31, second insulation pulling plate groove 32, hook 33 assisted by front card, rear draw-in groove 41, rear card 4, rear card hugging 42, second insulation pulling plate groove 43, insulator support 5, body 51, pulley 52, limiting plate 53, spacing hole 531, adjustable plate 54, spacing lock pin 55, insulating bar places ring 56, operation hook 6, bracing frame 61, movable pulley 62, suspension hook 63, insulating bar 7, cross-arm side connecting plate 8, side of wire connecting plate 9.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figures 1 to 10, one embodiment of the invention provides the live replacing device providing a kind of ultra-high-tension power transmission line strain insulator string, comprise thread-tightening lead screw 1, insulation pulling plate 2, front card 3, rear card 4 and insulator support 5, one end of described insulation pulling plate 2 is fixedly connected with described thread-tightening lead screw 1, its other end with described before block 3 and be fixedly connected with, described thread-tightening lead screw 1 arranges and blocks on 4 in the rear, described insulator support 5 is set on described insulation pulling plate 2 slidably, before described, card 3 is formed with front bayonet slot 31, described rear card 4 is formed with rear draw-in groove 41.
In the present embodiment, described thread-tightening lead screw 1 comprises lead screw handle 11, the turning set 12 be connected with described lead screw handle 11, be arranged on the ratchet mechanism 13 in described turning set 12, the minor leading screw 14 be connected with described ratchet mechanism 13, be set in the middle silk cylinder 15 on described minor leading screw 14, be arranged on the thrust bearing 16 in described middle silk cylinder 15, rear end cap 17 and be arranged on the connecting portion 18 of described minor leading screw 14 one end, described ratchet mechanism 13 is pressed between described rear end cap 17 and described thrust bearing 16, described middle silk cylinder 15 arranged outside has Assembly rail 19, described connecting portion 18 is provided with the first insulation pulling plate groove 181, one end of described insulation pulling plate 2 is arranged in described first insulation pulling plate groove 181.
In the present embodiment, described rear card 4 is also formed with rear card hugging 42, described Assembly rail 19 is arranged in the rear in card hugging 42.
In the present embodiment, before described, card 3 is also formed with the second insulation pulling plate groove 32, the other end of described insulation pulling plate 2 is arranged in described second insulation pulling plate groove 32.
In the present embodiment, described insulator support 5 comprises bracket body 51, the multiple pulleys 52 be arranged in described bracket body 51, the limiting plate 53 be connected with described bracket body 51, the adjustable plate 54 be connected with described limiting plate 53, place ring 56 for the spacing lock pin 55 and the insulating bar be arranged on described adjustable plate 54 that limit described limiting plate 53 and described adjustable plate 54 relative position, and spacing lock pin 55 inserts in the spacing hole 531 in limiting plate 53 to realize the restriction of position between described limiting plate 53 and described adjustable plate 54; Described multiple pulley 52 at least comprises two pulleys be oppositely arranged up and down, and the both sides up and down of described insulation pulling plate 2 contact with described upper lower sheave 52 respectively, and such insulator support 5 can slide on insulation pulling plate 2.Pulley can be such as three, above two, below one.
In the present embodiment, the auxiliary hook 33 of card before card 3 being provided with before described.
In the present embodiment, also comprise operation hook 6, the suspension hook 63 that described operation hook 6 comprises bracing frame 61, is arranged on the movable pulley 62 in support frame as described above 61 and is arranged on below support frame as described above 61.
In the present embodiment, also comprise insulating bar 7.Described insulating bar 7 one end is provided with hook.
The assembling process of the ultra-high-tension power transmission line strain insulator live replacing device that the present embodiment provides is as follows:
The rear draw-in groove 41 of rear card to be stuck on cross-arm side connecting plate 8 and to fix with bolt, insulator support 5 is arranged on insulation pulling plate 2, then thread-tightening lead screw 1 is connected with insulation pulling plate 2 and is connected with front card 1 again, insulation pulling plate 2 is fixed with bolt respectively with thread-tightening lead screw 1 and front card 1, utilize insulator support 5, front card 1 is stuck on the side of wire connecting plate 9 of ultra-high-tension power transmission line and (is positioned over by insulator support 5 on insulation pulling plate 2 by insulating bar 7 and operation hook 6, insulating bar 7 is placed ring 56 through insulating bar, at insulating bar 7 one end fitting operation hook 6, the auxiliary hook 33 of card before operation hook 6 hooks, front card 3 slides into the position in side of wire connecting plate 9 front along insulating bar 7, before manual operation insulating bar 7 makes, the front bayonet slot 31 of card is stuck on side of wire connecting plate 9), again thread-tightening lead screw 1 is stuck in the rear card hugging 42 of rear card 4.
The course of work of the ultra-high-tension power transmission line strain insulator live replacing device that the present embodiment provides is as follows:
Earth potential No. 1 electrician's rotary screw rod handle, regulate the stroke of minor leading screw, make wire stressed, thus fault strain insulator composite insulation substring is relaxed, earth potential No. 2 electricians utilize pin pulling clamp on insulating bar to take off side of wire bowl head spring catch, No. 1, earth potential, No. 2 electricians cooperatively interact and utilize insulator support to take out fault strain insulator composite insulation substring, and earth potential No. 1 electrician uses pin pulling clamp to take out cross-arm side bowl head inner spring pin, and uses insulating cord lock to winch to ground.Ground coordinates electrician that new synthetic insulator is winched to cross-arm, first new synthetic insulator is fixed in cross-arm side bowl head by earth potential No. 1 electrician, then cooperatively interacting with earth potential No. 2 electricians is fixed in side of wire bowl head by new clothes composite insulation substring, earth potential No. 2 electricians use pin pulling clamp on action bars to load onto spring catch, finally remove the live replacing device of ultra-high-tension power transmission line strain insulator composite insulation substring.
The live replacing device of ultra-high-tension power transmission line strain insulator string provided by the invention, use this new device to carry out earth potential live replacing tension double-string synthetic insulator (wherein a string) operation and successfully can solve power line tension bar (tower) fault tension double-string synthetic insulator (wherein a string) replacing, avoid equal potential working personnel and directly enter electric field, alleviate labour intensity, improve the fail safe of operation.
The ultra-high-tension power transmission line strain insulator live replacing device that the above embodiment of the present invention provides, practice repeatedly all succeeds, and economic benefit is obvious.And improve the reliability of transmission line, also ensured the safe and stable operation of system simultaneously, created larger social benefit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the live replacing device of a ultra-high-tension power transmission line strain insulator string, it is characterized in that, comprise thread-tightening lead screw, insulation pulling plate, front card, rear card and insulator support, one end of described insulation pulling plate is fixedly connected with described thread-tightening lead screw, its other end with described before fasten and be connected, described thread-tightening lead screw is arranged in the rear on card, and described insulator support is set on described insulation pulling plate slidably, before described, card is formed with front bayonet slot, described rear card is formed with rear draw-in groove; Described insulator support comprises bracket body, the multiple pulleys be arranged in described bracket body, the limiting plate be connected with described bracket body, the adjustable plate be connected with described limiting plate, place ring for the spacing lock pin and the insulating bar be arranged on described adjustable plate that limit described limiting plate and described adjustable plate relative position, described multiple pulley at least comprises two pulleys be oppositely arranged up and down, the both sides up and down of described insulation pulling plate respectively with described upper and lower pulley contact.
2. the live replacing device of ultra-high-tension power transmission line strain insulator string according to claim 1, it is characterized in that, described thread-tightening lead screw comprises lead screw handle, the turning set be connected with described lead screw handle, be arranged on the ratchet mechanism in described turning set, the minor leading screw be connected with described ratchet mechanism, be set in the middle silk cylinder on described minor leading screw, be arranged on the thrust bearing in described middle silk cylinder, rear end cap and be arranged on the connecting portion of described minor leading screw one end, described ratchet mechanism is pressed between described rear end cap and described thrust bearing, described middle silk cylinder arranged outside has Assembly rail, described connecting portion is provided with the first insulation pulling plate groove, one end of described insulation pulling plate is arranged in described first insulation pulling plate groove.
3. the live replacing device of ultra-high-tension power transmission line strain insulator string according to claim 2, is characterized in that, described rear card is also formed with rear card hugging, and described Assembly rail is arranged in the rear in card hugging.
4. the live replacing device of ultra-high-tension power transmission line strain insulator string according to claim 3, is characterized in that, before described, card is also formed with the second insulation pulling plate groove, the other end of described insulation pulling plate is arranged in described second insulation pulling plate groove.
5. the live replacing device of ultra-high-tension power transmission line strain insulator string according to claim 1, is characterized in that, the auxiliary hook of card before card being provided with before described.
6. the live replacing device of ultra-high-tension power transmission line strain insulator string according to claim 5, it is characterized in that, also comprise operation hook, the suspension hook comprising bracing frame, be arranged on the movable pulley in support frame as described above and be arranged on below support frame as described above is linked up with in described operation.
7. the live replacing device of the ultra-high-tension power transmission line strain insulator string according to claim 1 to 6 any one, is characterized in that, also comprise insulating bar.
8. the live replacing device of ultra-high-tension power transmission line strain insulator string according to claim 7, is characterized in that, described insulating bar one end is provided with hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401341.5A CN103427370B (en) | 2013-09-06 | 2013-09-06 | The live replacing device of ultra-high-tension power transmission line strain insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401341.5A CN103427370B (en) | 2013-09-06 | 2013-09-06 | The live replacing device of ultra-high-tension power transmission line strain insulator string |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103427370A CN103427370A (en) | 2013-12-04 |
| CN103427370B true CN103427370B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401341.5A Active CN103427370B (en) | 2013-09-06 | 2013-09-06 | The live replacing device of ultra-high-tension power transmission line strain insulator string |
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| CN (1) | CN103427370B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505768B (en) * | 2014-12-15 | 2017-08-25 | 国家电网公司 | Composite insulator outlet bridge |
| CN104505770B (en) * | 2014-12-16 | 2017-04-26 | 国家电网公司 | Bowl head replacer with straight pole for earth potential working |
| CN104591009B (en) * | 2015-02-05 | 2017-01-18 | 徐州重型机械有限公司 | Super-lift pull plate bracket assembly, crane and method |
| CN104752995B (en) * | 2015-04-16 | 2017-03-01 | 国网四川蓬溪县供电有限责任公司 | Replacing insulator aid and the method using this tool changing insulator |
| CN107181199B (en) * | 2017-03-15 | 2018-12-04 | 国网浙江省电力公司金华供电公司 | A kind of transmission of electricity strain insulator replacement auxiliary device and its application method |
| CN114188872A (en) * | 2021-11-01 | 2022-03-15 | 广西电网有限责任公司玉林供电局 | 500kV line strain insulator rod type insulator fixture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153888Y (en) * | 1993-04-28 | 1994-01-19 | 薛岩 | Tool for charged renewal insulator |
| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
| CN201518396U (en) * | 2009-06-16 | 2010-06-30 | 福建省福州电业局 | Tool for replacing strain insulator string in 220 KV circuit with charged line |
| CN102386586A (en) * | 2011-11-28 | 2012-03-21 | 江苏省电力公司无锡供电公司 | Tension resistance porcelain replacement device |
| 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 |
-
2013
- 2013-09-06 CN CN201310401341.5A patent/CN103427370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153888Y (en) * | 1993-04-28 | 1994-01-19 | 薛岩 | Tool for charged renewal insulator |
| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
| CN201518396U (en) * | 2009-06-16 | 2010-06-30 | 福建省福州电业局 | Tool for replacing strain insulator string in 220 KV circuit with charged line |
| 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 |
| CN102386586A (en) * | 2011-11-28 | 2012-03-21 | 江苏省电力公司无锡供电公司 | Tension resistance porcelain replacement device |
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| CN103427370A (en) | 2013-12-04 |
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