CN102545102A - 1000-Kv tension-resistant horizontal insulator charged exchange device - Google Patents
1000-Kv tension-resistant horizontal insulator charged exchange device Download PDFInfo
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- CN102545102A CN102545102A CN2012100442012A CN201210044201A CN102545102A CN 102545102 A CN102545102 A CN 102545102A CN 2012100442012 A CN2012100442012 A CN 2012100442012A CN 201210044201 A CN201210044201 A CN 201210044201A CN 102545102 A CN102545102 A CN 102545102A
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- 239000012212 insulator Substances 0.000 title claims abstract description 96
- 239000012211 strain insulator Substances 0.000 claims description 95
- 238000009413 insulation Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000004873 anchoring Methods 0.000 description 8
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention relates to a 1000-Kv tension-resistant horizontal insulator charged exchange device. The device comprises a large-bypass stressing system, wherein the large-bypass stressing system comprises a tension-resistant front clamp and a tension-resistant rear clamp; an insulating pull bar is arranged between the tension-resistant front clamp and the tension-resistant rear clamp; a wire-tensioning device is arranged at the end head of the insulating pull bar; and a functional opening is formed on the tension-resistant front clamp. The invention provides the tension-resistant horizontal insulator charged exchange device, which is convenient to operate, exchanges devices simply and is safe and reliable to use.
Description
Technical field
The invention belongs to extreme high voltage hot line maintenance technical field, relate to the insulator charged more changing device of a kind of strain insulator horizontal, relate in particular to more changing device of a kind of 1000kV UHV transmission line strain insulator horizontal insulator.
Background technology
The 1000kV extra-high voltage grid is the highest voltage level electrical network of the current input commercial operation in the China and even the whole world, 2008 by the southeast, Shanxi, Shanxi electrical network builds up and puts into operation to Jingmen, Hubei, that is building also has northwest to North China, southwest to Central China.Rely on these extra-high voltage grids to realize vast capacity energy conversion and allotment, satisfy the Chinese society doctrine and build high speed development demands for energy.
1000kV extreme high voltage electrical network just plays the influence to the deciding property of safety belt of electrical network in that time that it puts into operation, and it makes China's electrical network more powerful, but it is once have an accident more serious to the impact of original electrical network.In order to improve the power supply reliability of 1000kV extra-high voltage grid, must strengthen the operational management of electrical network, and actively develop work and the ability that does not have a power failure and fix a breakdown.So charged for replacement 1000kV strain insulator horizontal insulator just becomes the technical barrier that must solve.
It is the basic principle of ZL022248056 that the insulator charged more changing device of 1000kV extreme high voltage strain insulator horizontal has been continued to use the patent No.; It only limits to the insulator charged replacing of 500kV strain insulator horizontal, with respect to the 1000kV insulator string, and about 10 meters of its length; Weigh 1500 kilograms; Scheme with the stressed cooperation bottle supporting of 500kV bypass frame is to realize the string work of taking off of insulator, because the crooked sag of bottle supporting frame is too big, insulator can't relax.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the background technology, the invention provides convenient, the simple and safe and reliable insulator charged more changing device of strain insulator horizontal of changing device more of a kind of operation.
Technical solution of the present invention is: the invention provides the insulator charged more changing device of a kind of strain insulator horizontal; Its special character is: the insulator charged more changing device of said strain insulator horizontal comprises the stressed system of big bypass, and the stressed system of said big bypass blocks after comprising the preceding card of strain insulator, strain insulator; Be provided with the insulation pull-rod between the card behind card and the strain insulator before the said strain insulator, the termination of said insulation pull-rod is provided with the stringing device; Offer the function opening on the card before the said strain insulator.
Card is the end card that merges up and down before the above-mentioned strain insulator, and card is the aerofoil profile card behind the said strain insulator, said insulation pull-rod be arranged on behind the strain insulator card both sides and with strain insulator before card connection.
The above-mentioned functions opening comprises that the grading ring that is used to dodge the grading ring support arm is dodged groove, is used for fixing the bolt preformed hole of shading ring, the hanging hole that is used for fixing the bolt preformed hole of hanging wire yoke plate and is used for fixing the pull-rod that insulate.
The preceding card of above-mentioned strain insulator blocks and the preceding card of following strain insulator before comprising strain insulator; The said cartoon that goes up before the strain insulator is crossed to fasten before bolt and the following strain insulator and is connected.
Above-mentioned grading ring is dodged the edge that groove is opened in the front ends card, and said shading ring bolt preformed hole, hanging wire yoke plate bolt preformed hole and the hanging hole that is used for fixing the pull-rod that insulate all are one or more.
Above-mentioned stringing device comprises the first mechanical wire grip, and said insulation pull-rod is through the first mechanical wire grip and the preceding card connection of strain insulator.
Above-mentioned stringing device also comprises hydraulic wire grip, behind the said strain insulator cartoon cross hydraulic wire grip with the insulation pull-rod be connected.
The insulator charged more changing device of above-mentioned strain insulator horizontal also comprises the stressed system of little bypass that is arranged on the stressed internal system of big bypass.
The stressed system of above-mentioned little bypass blocks and the second mechanical wire grip after comprising enclosed; Cartoon is crossed to block before the second mechanical wire grip and the strain insulator and is linked to each other after the said enclosed; Cutting ferrule is connected on the steel cap of a slice insulator of insulator to be replaced back after the said enclosed.
The stressed system of above-mentioned little bypass blocks after comprising strain insulator, enclosed is preceding blocks and the second mechanical wire grip; Cartoon is crossed to block behind the second mechanical wire grip and the strain insulator and is linked to each other before the said enclosed; Cutting ferrule is connected on the towing plate of gold utensil chain string behind the said strain insulator, is connected to before the said enclosed in the groove of steel cap of insulator to be replaced front a slice insulator.
The stressed system of above-mentioned little bypass comprises after the enclosed card and the second mechanical wire grip before card, the enclosed, and cartoon is crossed to block before the second mechanical wire grip and the enclosed and linked to each other after the said enclosed; Cutting ferrule is connected on the steel cap of insulator of insulator to be replaced back after the said enclosed, and card connection is in the groove of insulator front end insulator steel cap to be replaced before the said enclosed.
Advantage of the present invention is:
1, more changing device is simple.The insulator charged more changing device of strain insulator horizontal provided by the present invention adopts the stressed system of large and small bypass; Utilize the stressed system of big bypass earlier with bunch of insulator closed string pine, utilize the stressed system of little bypass that the local replacing string is received pine more again, strength is little like this; Amount of contraction is big; Be prone to take off string, and without the bottle supporting frame, thereby reduce volume, the weight of charged instrument greatly.
2, operation is convenient.The insulator charged more changing device of strain insulator horizontal provided by the present invention tightens up the stressed system of big bypass earlier when bunch of insulator is changed, and makes bunch of insulator lax; The stressed system of little bypass is tightened up, insulator is thrown off by front end (lead side) again, and with insulation ropes binding front end insulator; Strain stressed after, it is stressed slowly to remove little bypass, and the insulator string total weight is born by insulation ropes; And it is slowly lax; Be threaded under the insulator string vertically, can insulator string be dropped down onto ground through lifting means and change, operation is very convenient.
3, do not remove original any facility on grading ring and the circuit, safe and reliable.The front ends card that the present invention adopted is the version that existing jig is provided with multiple functional hole, groove, can the front ends card be installed across closed insulator string, does not remove original any facility on grading ring and the circuit, and is very easy to use.Simultaneously, front ends card provided by the present invention adopts the upper and lower plate of titanium alloy, is directly merged by upper and lower plates in use, and connects fastening combining through bolt, and is simple in structure, easy and simple to handle.
Description of drawings
Fig. 1 is the user mode sketch map of the insulator charged more changing device of strain insulator horizontal provided by the present invention;
Fig. 2 is the structural representation of the front ends card that adopts of the present invention;
Fig. 3 is the structural representation that blocks behind the strain insulator that adopts of the present invention;
Wherein:
1-insulator suppending hole; 2-jig fastening screw keyhole; 3-shading ring set bolt preformed hole; 4-grading ring support is dodged groove; 5-grading ring bolt preformed hole; 6-insulation pull-rod hanging hole; The 7-second wire grip hanging hole; The 8-shading ring; 9-hanging wire yoke plate; Card before the 10-strain insulator; The 11-grading ring; The 12-first mechanical wire grip; The 13-second mechanical wire grip; Card before the 14-enclosed; Block after the 15-enclosed; The 16-pull-rod that insulate; The 17-hydraulic wire grip; Block behind the 18-strain insulator; The 19-second wire grip hanging hole; 20-hydraulic line tightening hanging hole.
Embodiment
Referring to Fig. 1, the invention provides the insulator charged more changing device of a kind of strain insulator horizontal, the insulator charged more changing device of this strain insulator horizontal comprises the stressed system of big bypass, the big stressed system of bypass blocks 18 after comprising card 10 before the strain insulator, strain insulator; Be provided with insulation pull-rod 16 before the strain insulator behind card 10 and the strain insulator between the card 18, the termination of insulation pull-rod 16 is provided with the stringing device; Offer the function opening before the strain insulator on the card 10.Card 10 is to merge up and down that card 18 is aerofoil profile cards behind end card and the strain insulator before the strain insulator, and the pull-rod 16 that insulate is arranged on this aerofoil profile card both sides.
Referring to Fig. 2; The present invention blocks the function opening of being offered on 10 and comprises that the grading ring support that is used for clamping grading ring 11 support arms dodges groove 4, is used for shading ring set bolt preformed hole 3, the grading ring bolt preformed hole 5 that is used for fixing hanging wire yoke plate 9 that shading ring 8 is fixed and is used for fixing insulation pull-rod hanging hole 6 before strain insulator, be used to connect the second wire grip hanging hole 7.
The preceding card 10 of strain insulator blocks and the preceding card of following strain insulator before comprising strain insulator; Cartoon is crossed to fasten before bolt and the following strain insulator and is connected before the last strain insulator.
The grading ring support is dodged the edge that groove 4 is opened in the front ends card, shading ring set bolt preformed hole 3, grading ring bolt preformed hole 5 and to be used for fixing insulation pull-rod hanging hole 6 all be one or more.
The stringing device comprises first mechanical wire grip 12 and the hydraulic wire grip 17, and insulation pull-rod 16 is connected through the preceding card 10 of the first mechanical wire grip 12 and strain insulator; Card 18 is connected with insulation pull-rod 16 through hydraulic wire grip 17 behind the strain insulator.
Continuation is referring to Fig. 1, and the insulator charged more changing device of strain insulator horizontal provided by the present invention also comprises the stressed system of little bypass that is arranged on the stressed internal system of big bypass, and the stressed system of little bypass blocks the 15 and second mechanical wire grip 13 after comprising enclosed; Card 15 links to each other through card 10 before the second mechanical wire grip 13 and the strain insulator after the enclosed; Card 15 is socketed on the steel cap of an insulator behind the insulator to be replaced after the enclosed, and first damages insulator to change front end.
As second embodiment of the stressed system of little bypass, the stressed system of little bypass provided by the present invention comprise block 15 after the enclosed, the card 14 and second mechanical wire grip 13 before the enclosed, card 15 links to each other through card 14 before the second mechanical wire grip 13 and the enclosed after the enclosed; Card 15 is socketed on the steel cap of an insulator behind the insulator to be replaced after the enclosed, and card 14 is connected in the steel cap groove of the previous insulator of insulator to be replaced to change except that first any insulator insulator of two ends before the enclosed.
As the 3rd embodiment of the stressed system of little bypass, the stressed system of little bypass provided by the present invention blocks the 14 and second mechanical wire grip 13 before comprising enclosed; Card 14 links to each other through card 18 behind the second mechanical wire grip 13 and the strain insulator before the enclosed; Card 18 is socketed on the towing plate of gold utensil chain string behind the strain insulator, and card 14 is connected in the groove of steel cap of insulator to be replaced front a slice insulator before the enclosed.
Principle of the present invention is to set up the stressed system of big or small bypass, accepts the transfer of strain insulator string tension force and takes off string, and a cover is the stressed system of big bypass, and it is to accept the whole string of strain insulator tension force, and makes insulator string lax.Another set of is the stressed system of little bypass, and it is when changing single insulator, the stressed system of little bypass of foundation; Generally claim to stride four weak points three, change first of termination and any sheet, utilize the second mechanical wire grip manually to tighten up; Take off string during required gap when amount of contraction reaches, can take off string and change.
The end jig should possess in 9 anchorings of 1000kV hanging wire yoke plate, and has the function of carrying out anchoring with large and small stressed system and possess the function of not dismantling grading ring 11 and shading ring 8 facilities.The stringing device is the combination of hydraulic line tightening device and armstrong's patent stringing device, is to tighten up surplus with hand gear earlier, tightens up insulator string with hydraulic means again.Its advantage is: 1. dwindle the hydraulic means stroke, 2. reduce operating personnel's labour intensity, 3. promoted the reasonability of operation procedure.1000kV insulated tension pole work load 100kN, failure load 300kN, and the severe test through wet withstand voltage, the switching overvoltage of the corresponding power frequency of 1000kV, lightning overvoltage.
About 10 meters of 1000kV insulator string length weigh 1500 kilograms, are to realize the string work of taking off of insulator with the scheme of the stressed cooperation bottle supporting of 500kV bypass frame, because the crooked sag of bottle supporting frame is too big, insulator can't relax and take off string.It is lax to use the stressed system of big bypass earlier insulator to be received so, makes tension force transfer to the stressed system of big bypass, and it is lax with three insulators receipts to use the stressed system of little bypass " to stride four short three " again, and takes off string, changes and damages insulator.Recover the stressed of original insulator string then, accomplish charged for replacement work.
The stressed system of bypass must be anchored on the towing plate of lead link plate yoke plate and rear end of insulator string front end.Two anchoring yoke plate form structures are different, carry out anchoring so should develop the jig of different structure form.
Hang with 8 leads on the lead hanging wire yoke plate 9, grading ring 11 is housed and is connected with two insulator string strings.These devices can not move or remove live line working.The installation anchoring of instrument has only the scheme that adopts Fig. 2, adopts titanium alloy sheet, upper and lower merging, and bolt connects fastening.According to former design Bower Anchor admittedly hole 1, shading ring set bolt preformed hole 3, jig fastening screw keyhole 2, the grading ring support of usefulness dodge groove 4, grading ring bolt preformed hole 5 and big bypass hanging hole 6, little bypass hanging hole 7, the plate surface construction.Fastening bolt and bypass hanging hole bolt all adopt high strength bolt, and be stressed in order to firm jig plate shape, and jig is Fig. 2 before the strain insulator that constitutes like this, has just possessed the said function of surfing the Net of summary of the invention.Card is made with titanium alloy before the strain insulator, and is in light weight, do not tear grading ring 11 and other facility on the bar during installation open, and operation is very easy.
Rear end anchoring card is installed on the rear haulage plate like Fig. 3; It is with titanium alloy, making; Have " door " shape socket and blind bolt that the traction of inserting is pulled, on " door " shape socket was inserted in and wins in succession, bolt constituted back anchoring card with the jig and fastening the linking to each other of winning in succession; Jig has both wings, and leaves the hydraulic line tightening hanging hole 20 and the second wire grip hanging hole 19.Hydraulic wire grip 17 is connected on the hydraulic line tightening hanging hole 20, sets up the stressed system of big bypass.Manually wire grip is connected on the second wire grip hanging hole 19 and sets up small side road system.
The present invention is when concrete work, and at first by the stressed system of big bypass of installing in the high-altitude shown in Figure 1, it is jig before back yoke plate anchoring card+hydraulic wire grip 17+ insulated tension pole+armstrong's patent wire grip+strain insulator in proper order, and adjusts to the right place.By the position of changing insulator, when changing first insulator of insulator string two ends, the stressed system of little bypass is installed and adjusts to the right place, during for other insulator arbitrarily the stressed system of bypass is installed, all to adjust to the right place.After large and small stressed system is in place, tighten up whole tension force that insulator string is accepted by big stressed system earlier, insulator is lax; Tighten up little stressed system again, changed insulator and can change by flake.
More changing device provided by the present invention also can be put in order string and land replacing.After when needs, the front end insulator string being got loose, tie up solid the 3rd insulator and fastening, cooperate by the ground electrician with the insulator lifting rope; And it is little bypass is lax; Insulator string tension force is transferred on the lifting rope, slowly carries insulator string down, and under drop to ground and change.Program is opposite when rising recovery.
Claims (11)
1. insulator charged more changing device of 1000Kv strain insulator horizontal, it is characterized in that: the insulator charged more changing device of said 1000Kv strain insulator horizontal comprises the stressed system of big bypass, the stressed system of said big bypass blocks after comprising card before the strain insulator, strain insulator; Be provided with the insulation pull-rod between the card behind card and the strain insulator before the said strain insulator, the termination of said insulation pull-rod is provided with the stringing device; Offer the function opening before the said strain insulator on the card.
2. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 1; It is characterized in that: card is the end card that merges up and down before the said strain insulator; Card is the aerofoil profile card behind the said strain insulator, said insulation pull-rod be arranged on the both sides of blocking behind the strain insulator and with strain insulator before card connection.
3. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 2 is characterized in that: said function opening comprises that the grading ring that is used to dodge the grading ring support arm is dodged groove, is used to dodge the bolt preformed hole of fixed mask collar bolt, the hanging hole that is used for fixing the bolt preformed hole of hanging wire yoke plate and is used for fixing the pull-rod that insulate.
4. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 3 is characterized in that: the preceding card of said strain insulator blocks and the preceding card of following strain insulator before comprising strain insulator; The said cartoon that goes up before the strain insulator is crossed to fasten before bolt and the following strain insulator and is connected.
5. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 3; It is characterized in that: said grading ring is dodged the edge that groove is opened in the front ends card, and said shading ring bolt preformed hole, hanging wire yoke plate bolt preformed hole and the hanging hole that is used for fixing the pull-rod that insulate all are one or more.
6. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 1, it is characterized in that: said stringing device comprises the first mechanical wire grip, said insulation pull-rod is through the first mechanical wire grip and the preceding card connection of strain insulator.
7. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 6, it is characterized in that: said stringing device also comprises hydraulic wire grip, behind the said strain insulator cartoon cross hydraulic wire grip with the insulation pull-rod be connected.
8. according to the insulator charged more changing device of the described 1000Kv strain insulator of the arbitrary claim of claim 1-7 horizontal, it is characterized in that: the insulator charged more changing device of said 1000Kv strain insulator horizontal also comprises the stressed system of little bypass that is arranged on the stressed internal system of big bypass.
9. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 8 is characterized in that: the stressed system of said little bypass blocks and the second mechanical wire grip after comprising enclosed; Cartoon is crossed to block before the second mechanical wire grip and the strain insulator and is linked to each other after the said enclosed; Cutting ferrule is connected on the steel cap of an insulator behind the insulator to be replaced after the said enclosed.
10. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 8 is characterized in that: the stressed system of said little bypass blocks after comprising strain insulator, enclosed is preceding blocks and the second mechanical wire grip; Cartoon is crossed to block behind the second mechanical wire grip and the strain insulator and is linked to each other before the said enclosed; Cutting ferrule is connected on the towing plate of gold utensil chain string behind the said strain insulator, is connected to before the said enclosed in the groove of steel cap of insulator to be replaced front a slice insulator.
11. the insulator charged more changing device of 1000Kv strain insulator horizontal according to claim 8; It is characterized in that: the stressed system of said little bypass comprises after the enclosed card and the second mechanical wire grip before card, the enclosed, and cartoon is crossed to block before the second mechanical wire grip and the enclosed and linked to each other after the said enclosed; Cutting ferrule is connected on the steel cap of a slice insulator behind the insulator to be replaced after the said enclosed, before the said enclosed in the groove of card connection steel cap of a slice insulator before insulator to be replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210044201.2A CN102545102B (en) | 2012-02-24 | 2012-02-24 | 1000-Kv tension-resistant horizontal insulator charged exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210044201.2A CN102545102B (en) | 2012-02-24 | 2012-02-24 | 1000-Kv tension-resistant horizontal insulator charged exchange device |
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| Publication Number | Publication Date |
|---|---|
| CN102545102A true CN102545102A (en) | 2012-07-04 |
| CN102545102B CN102545102B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210044201.2A Active CN102545102B (en) | 2012-02-24 | 2012-02-24 | 1000-Kv tension-resistant horizontal insulator charged exchange device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066528A (en) * | 2012-12-13 | 2013-04-24 | 云南电网公司带电作业分公司 | Replacing device and replacing method of high altitude 500-kilovolt strain fourfold insulator chain |
| CN108462099A (en) * | 2018-02-27 | 2018-08-28 | 国家电网公司 | One kind ± 800kV extra high voltage line double-linkage double-hanging-point pendulous string isolator replacing options |
| CN112366601A (en) * | 2020-11-27 | 2021-02-12 | 国网四川省电力公司检修公司 | Duplex strain end clamp |
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| JP2002095118A (en) * | 2000-09-11 | 2002-03-29 | Yamamoto Denko Kk | Replacement method of line hardware of tension insulator device of extra-high voltage cable |
| CN2552142Y (en) * | 2002-04-22 | 2003-05-21 | 杨福民 | Tension-proof horizontal isolator hot-line replacing device |
| CN202474686U (en) * | 2012-02-24 | 2012-10-03 | 陕西秦川电力器材实业有限公司 | Electrified replacing device for horizontal tension-proof insulator of 1,000 kV |
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2012
- 2012-02-24 CN CN201210044201.2A patent/CN102545102B/en active Active
Patent Citations (3)
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|---|---|---|---|---|
| JP2002095118A (en) * | 2000-09-11 | 2002-03-29 | Yamamoto Denko Kk | Replacement method of line hardware of tension insulator device of extra-high voltage cable |
| CN2552142Y (en) * | 2002-04-22 | 2003-05-21 | 杨福民 | Tension-proof horizontal isolator hot-line replacing device |
| CN202474686U (en) * | 2012-02-24 | 2012-10-03 | 陕西秦川电力器材实业有限公司 | Electrified replacing device for horizontal tension-proof insulator of 1,000 kV |
Non-Patent Citations (1)
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| 郝旭东等: "带电更换500 kV 直线转角塔绝缘子串通用工具的研制", 《华北电力技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066528A (en) * | 2012-12-13 | 2013-04-24 | 云南电网公司带电作业分公司 | Replacing device and replacing method of high altitude 500-kilovolt strain fourfold insulator chain |
| CN103066528B (en) * | 2012-12-13 | 2016-11-23 | 云南电网公司带电作业分公司 | The more changing device of High aititude 500kV tension resistant four insulator chain and replacing options |
| CN108462099A (en) * | 2018-02-27 | 2018-08-28 | 国家电网公司 | One kind ± 800kV extra high voltage line double-linkage double-hanging-point pendulous string isolator replacing options |
| CN112366601A (en) * | 2020-11-27 | 2021-02-12 | 国网四川省电力公司检修公司 | Duplex strain end clamp |
| CN112366601B (en) * | 2020-11-27 | 2022-04-15 | 国网四川省电力公司检修公司 | Duplex strain end clamp |
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|---|---|
| CN102545102B (en) | 2014-09-03 |
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Owner name: THE MAINTENANCE BRANCH OF SHANXI ELECTRIC POWER CO Free format text: FORMER OWNER: SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY CO., LTD. Effective date: 20130114 Owner name: SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Effective date: 20130114 |
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Inventor after: Lou Hongping Inventor after: Pei Changsheng Inventor after: Han Dongfeng Inventor after: Zhang Guo Inventor after: Liang Yubin Inventor after: Yang Fumin Inventor after: Chen Xin Inventor after: Wang Jian Inventor after: Zhi Runcang Inventor after: Feng Haichao Inventor after: Dong Xiujuan Inventor after: Li Haifeng Inventor before: Yang Fumin Inventor before: Feng Haichao Inventor before: Dong Xiujuan |
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Free format text: CORRECT: INVENTOR; FROM: YANG FUMIN FENG HAICHAO DONG XIUJUAN TO: LOU HONGPING LIANG YUBIN YANG FUMIN CHEN XIN WANG JIAN ZHI RUNCANG FENG HAICHAO DONG XIUJUAN LI HAIFENG PEI CHANGSHENG HAN DONGFENG ZHANG GUO Free format text: CORRECT: ADDRESS; FROM: 710018 XI'AN, SHAANXI PROVINCE TO: 030032 TAIYUAN, SHAANXI PROVINCE |
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