CN103427370A - Strain insulator string live replacing device for high-voltage transmission line - Google Patents
Strain insulator string live replacing device for high-voltage transmission line Download PDFInfo
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- CN103427370A CN103427370A CN2013104013415A CN201310401341A CN103427370A CN 103427370 A CN103427370 A CN 103427370A CN 2013104013415 A CN2013104013415 A CN 2013104013415A CN 201310401341 A CN201310401341 A CN 201310401341A CN 103427370 A CN103427370 A CN 103427370A
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Abstract
The invention provides a strain insulator string live replacing device for a high-voltage transmission line. The strain insulator string live replacing device comprises a stringing screw, an insulation pull plate, a front clamp, a rear clamp and an insulation bracket, wherein one end of the insulation pull plate is fixedly connected with the stringing screw, the other end is fixedly connected with the front clamp, the stringing screw is arranged on the rear clamp, the insulation bracket sleeves the insulation pull plate in a sliding mode, a front clamp groove is formed in the front clamp, and a rear clamp groove is formed in the rear clamp. When the strain insulator string live replacing device is applied to operation of replacing ground potential strain double-string composite insulators (one string of the ground potential strain double-string composite insulators) in a live mode, the fault strain double-string composite insulators (one string of the fault strain double-string composite insulators) of a strain pole (tower) can be successfully replaced. Furthermore, equipotential operators are prevented from entering the electric field directly, the labor intensity is reduced, and the operation safety is improved.
Description
Technical field
The invention belongs to ultra-high-tension power transmission line hotline maintenance Work tool technical field, be specifically related to the live replacing device of a kind of ultra-high-tension power transmission line with strain insulator string.
Background technology
Along with the quickening of social progress, economic construction speed, power customer to power department high-quality is provided, power reguirements is more and more higher reliably.The power supply reliability of electrical network be gone back and can be improved to the live line working maintenance not only can, for the user provides continuously, uninterrupted power supply.
In China's scope, the replacing live line working work 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 is compared earth potential working, and working strength is large, and electric field radiation and job safety that the equal potential working personnel bear 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, provide the live replacing device of a kind of ultra-high-tension power transmission line with strain insulator string.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
The live replacing device of a kind of ultra-high-tension power transmission line with 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 is arranged on described rear card, described insulator support is set on described insulation pulling plate slidably, on described front card, is formed with front bayonet slot, on 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 the first insulation pulling plate groove.
Further, also be formed with rear card hugging on described rear card, described Assembly rail is arranged in described rear card hugging.
Further, also be formed with the second insulation pulling plate groove on described front card, the other end of described insulation pulling plate is arranged in described the second insulation pulling plate groove.
Further, described insulator support comprises bracket body, is arranged on a plurality of pulleys in described bracket body, the limiting plate be connected with described bracket body, the adjustable plate be connected with described limiting plate, for the spacing lock pin that limits described limiting plate and described adjustable plate relative position and the insulating bar be arranged on described adjustable plate, place ring, described a plurality of pulley at least comprises two pulleys that are oppositely arranged up and down, and the both sides up and down of described insulation pulling plate contact with described upper lower sheave respectively.
Further, be provided with the auxiliary hook of front card on described front card.
Further, also comprise operation hook, described operation hook comprises bracing frame, be arranged on the movable pulley in support frame as described above and be arranged on the suspension hook of support frame as described above below.
Further, also comprise insulating bar.
Further, described insulating bar one end is provided with hook.
The live replacing device of strain insulator string for ultra-high-tension power transmission line 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 can successfully solve power line tension bar (tower) fault tension double-string synthetic insulator (wherein a string) replacing, avoided the equal potential working personnel directly to enter electric field, alleviate labour intensity, improved the fail safe of operation.
The accompanying drawing explanation
Fig. 1 is the end view of the ultra-high-tension power transmission line that provides of one embodiment of the invention with the live replacing device of strain insulator string;
Fig. 2 is the vertical view of the ultra-high-tension power transmission line that provides of one embodiment of the invention with the live replacing device of strain insulator string;
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, the first insulation pulling plate groove 181, insulation pulling plate 2, front card 3, front bayonet slot 31, the second insulation pulling plate groove 32, the auxiliary hook 33 of front card, rear draw-in groove 41, rear card 4, rear card hugging 42, the 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 is placed 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 was connecting plate 9.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, 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, is not intended to limit the present invention.
As shown in Figures 1 to 10, one embodiment of the invention provides the live replacing device of a kind of ultra-high-tension power transmission line with 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 is fixedly connected with described front card 3, described thread-tightening lead screw 1 is arranged on described rear card 4, described insulator support 5 is set on described insulation pulling plate 2 slidably, be formed with front bayonet slot 31 on described front card 3, on described rear card 4, be 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 1 ends, described ratchet mechanism 13 is pressed between described rear end cap 17 and described thrust bearing 16, described middle silk cylinder 15 arranged outside have 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 the first insulation pulling plate groove 181.
In the present embodiment, on described rear card 4, also be formed with rear card hugging 42, described Assembly rail 19 is arranged in described rear card hugging 42.
In the present embodiment, on described front card 3, also be formed with the second insulation pulling plate groove 32, the other end of described insulation pulling plate 2 is arranged in described the second insulation pulling plate groove 32.
In the present embodiment, described insulator support 5 comprises bracket body 51, is arranged on a plurality of pulleys 52 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, for limiting described limiting plate 53, with the spacing lock pin 55 of described adjustable plate 54 relative positions and the insulating bar be arranged on described adjustable plate 54, place ring 56, in the spacing hole 531 that spacing lock pin 55 inserts in limiting plates 53 to realize the restriction of position between described limiting plate 53 and described adjustable plate 54; Described a plurality of pulley 52 at least comprises two pulleys that are 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 insulator support 5 can slide on insulation pulling plate 2 like this.Pulley can be for example three, above two, below one.
In the present embodiment, be provided with the auxiliary hook 33 of front card on described front card 3.
In the present embodiment, also comprise operation hook 6, described operation hook 6 comprises bracing frame 61, be arranged on the movable pulley 62 in support frame as described above 61 and be arranged on the suspension hook 63 of support frame as described above 61 belows.
In the present embodiment, also comprise insulating bar 7.Described insulating bar 7 one ends are provided with hook.
The ultra-high-tension power transmission line that the present embodiment provides is as follows with the assembling process of strain insulator live replacing device:
The rear draw-in groove 41 of rear card is stuck on cross-arm side connecting plate 8 and with bolt and fixes, 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, insulation pulling plate 2 is fixed with bolt respectively with thread-tightening lead screw 1 and front card 1, utilize insulator support 5, insulating bar 7 and operation hook 6 are stuck in front card 1 on the side of wire was connecting plate 9 of ultra-high-tension power transmission line and (insulator support 5 are positioned on insulation pulling plate 2, insulating bar 7 is placed to ring 56 through insulating bar, at insulating bar 7 one end fitting operation hooks 6, operation hook 6 hooks the auxiliary hook 33 of front card, front card 3 slides into the position in side of wire was connecting plate 9 the place aheads along insulating bar 7, manual operation insulating bar 7 makes the front bayonet slot 31 of front card be stuck on side of wire was connecting plate 9), thread-tightening lead screw 1 is stuck in the rear card hugging 42 of rear card 4 again.
The ultra-high-tension power transmission line that the present embodiment provides is as follows by the course of work of strain insulator live replacing device:
No. 1 electrician's rotary screw rod handle of earth potential, regulate the stroke of minor leading screw, make wire stressed, thereby make fault strain insulator composite insulation substring lax, No. 2 electricians of earth potential utilize pin pulling clamp on insulating bar to take off a side of wire was bowl spring catch, No. 1, No. 2 electricians of earth potential cooperatively interact and utilize insulator support to take out fault strain insulator composite insulation substring, and No. 1 electrician of earth potential uses pin pulling clamp to take out a cross-arm side bowl inner spring pin, and uses the insulating cord lock to winch to ground.Ground coordinates the electrician that new synthetic insulator is winched to cross-arm, at first No. 1 electrician of earth potential is fixed on new synthetic insulator in cross-arm side bowl head, then cooperatively interact new clothes composite insulation substring is fixed in side of wire was bowl head with No. 2 electricians of earth potential, No. 2 electricians of earth potential 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 with strain insulator composite insulation substring.
The live replacing device of strain insulator string for ultra-high-tension power transmission line 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 can successfully solve power line tension bar (tower) fault tension double-string synthetic insulator (wherein a string) replacing, avoided the equal potential working personnel directly to enter electric field, alleviate labour intensity, improved the fail safe of operation.
The ultra-high-tension power transmission line that the above embodiment of the present invention provides strain insulator live replacing device, practice repeatedly all succeeds, and economic benefit is obvious.And improved the reliability of transmission line, also ensured the safe and stable operation of system simultaneously, produced larger social benefit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the live replacing device of strain insulator string for a ultra-high-tension power transmission line, 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 on described rear card, described insulator support is set on described insulation pulling plate slidably, be formed with front bayonet slot on described front card, on described rear card, be formed with rear draw-in groove.
2. the live replacing device of strain insulator string for ultra-high-tension power transmission line 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 the first insulation pulling plate groove.
3. the live replacing device of strain insulator string for ultra-high-tension power transmission line according to claim 2, is characterized in that, also be formed with rear card hugging on described rear card, described Assembly rail is arranged in described rear card hugging.
4. the live replacing device of strain insulator string for ultra-high-tension power transmission line according to claim 3, is characterized in that, also be formed with the second insulation pulling plate groove on described front card, the other end of described insulation pulling plate is arranged in described the second insulation pulling plate groove.
5. the live replacing device of strain insulator string for ultra-high-tension power transmission line according to claim 1, it is characterized in that, described insulator support comprises bracket body, be arranged on a plurality of pulleys 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 insulating bar that limits the spacing lock pin of described limiting plate and described adjustable plate relative position and be arranged on described adjustable plate, described a plurality of pulley at least comprises two pulleys that are oppositely arranged up and down, the both sides up and down of described insulation pulling plate contact with described upper lower sheave respectively.
6. the live replacing device of strain insulator string for ultra-high-tension power transmission line according to claim 1, is characterized in that, is provided with the auxiliary hook of front card on described front card.
7. the live replacing device of strain insulator string for ultra-high-tension power transmission line according to claim 6, it is characterized in that, also comprise operation hook, described operation hook comprises bracing frame, be arranged on the movable pulley in support frame as described above and be arranged on the suspension hook of support frame as described above below.
8. the live replacing device with strain insulator string according to the described ultra-high-tension power transmission line of claim 1 to 7 any one, is characterized in that, also comprises insulating bar.
9. the live replacing device of strain insulator string for ultra-high-tension power transmission line according to claim 8, 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 true CN103427370A (en) | 2013-12-04 |
| CN103427370B 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505768A (en) * | 2014-12-15 | 2015-04-08 | 国家电网公司 | Composite insulator wire outlet bridge |
| CN104505770A (en) * | 2014-12-16 | 2015-04-08 | 国家电网公司 | Bowl head replacer with straight pole for earth potential working |
| CN104591009A (en) * | 2015-02-05 | 2015-05-06 | 徐州重型机械有限公司 | Super-lift pull plate bracket assembly, crane and method |
| CN104752995A (en) * | 2015-04-16 | 2015-07-01 | 国网四川蓬溪县供电有限责任公司 | Auxiliary tool for insulator replacement and method for replacing insulator with auxiliary tool |
| CN107181199A (en) * | 2017-03-15 | 2017-09-19 | 国网浙江省电力公司金华供电公司 | One kind transmission of electricity strain insulator changes servicing unit 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 |
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| 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 |
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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 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505768A (en) * | 2014-12-15 | 2015-04-08 | 国家电网公司 | Composite insulator wire outlet bridge |
| CN104505770A (en) * | 2014-12-16 | 2015-04-08 | 国家电网公司 | Bowl head replacer with straight pole for earth potential working |
| CN104505770B (en) * | 2014-12-16 | 2017-04-26 | 国家电网公司 | Bowl head replacer with straight pole for earth potential working |
| CN104591009A (en) * | 2015-02-05 | 2015-05-06 | 徐州重型机械有限公司 | Super-lift pull plate bracket assembly, crane and method |
| CN104752995A (en) * | 2015-04-16 | 2015-07-01 | 国网四川蓬溪县供电有限责任公司 | Auxiliary tool for insulator replacement and method for replacing insulator with auxiliary tool |
| CN107181199A (en) * | 2017-03-15 | 2017-09-19 | 国网浙江省电力公司金华供电公司 | One kind transmission of electricity strain insulator changes servicing unit and its application method |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103427370B (en) | 2015-12-02 |
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