CN205159921U - A insulating pole of embracing that is used for changing with electricity with many times transmission line strain insulator string in tower - Google Patents
A insulating pole of embracing that is used for changing with electricity with many times transmission line strain insulator string in tower Download PDFInfo
- Publication number
- CN205159921U CN205159921U CN201520992249.5U CN201520992249U CN205159921U CN 205159921 U CN205159921 U CN 205159921U CN 201520992249 U CN201520992249 U CN 201520992249U CN 205159921 U CN205159921 U CN 205159921U
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- CN
- China
- Prior art keywords
- insulator string
- support bar
- pull bar
- transmission line
- hook
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005540 biological transmission Effects 0.000 title abstract description 16
- 239000012211 strain insulator Substances 0.000 title abstract description 7
- 230000005611 electricity Effects 0.000 title abstract 2
- 239000012212 insulator Substances 0.000 claims description 15
- 210000004907 Glands Anatomy 0.000 claims description 10
- 239000000789 fastener Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 description 8
- 239000002965 rope Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model relates to an insulating pole of embracing that is used for changing with electricity with many times transmission line strain insulator string in tower, including bracing piece (4), first pull rod (5) and second pull rod (6), the three connects into triangle -shaped in order, and the head of bracing piece (4) is equipped with couple (11), and first pull rod (5) and second pull rod (6) junction is equipped with buckle (9). Adopt the utility model discloses enlarge the operation window, captured the operation personnel and can not ground do not develoied the technological problem of operation at the operation cross arm, realized the live overhaul operation of 110~220kV with each layer cross arm of many times transmission line in the tower.
Description
Technical field
The utility model belongs to transmission line operation maintenance technical field, is specifically related to a kind of for changing the insulated mast assembly of 110 ~ 220kV multiple-loop line power line tension insulator string.
Background technology
Multiple-loop line transmission line can not only improve unit are transmission capacity, can reduce again comprehensive cost and line corridor demand, have obvious economic benefit and social benefit.And multiple-loop line transmission line is difficult to accomplish complete interruption maintenance, the defect of circuit and the safe and stable operation of hidden danger to electrical network constitute a serious threat, and therefore carry out multiple-loop line hot line maintenance and seem particularly urgent.
But multiple-loop line transmission line is more compact compared with common line, cause the middle phase of transmission line, lower phase and upper layer circuit safe distance comparatively little.To 110 ~ 220kV multiple-loop line strain tower of transmission line, operating personnel can reach phase cross arm end, carries out the charged for replacement operation of strain insulator string; But due to naturally drooping of wire jumper, upper phase wire jumper is all less with the safe distance of middle phase cross-arm, middle phase jumping wire and lower phase cross-arm, cause operating personnel to be difficult to phase in safety, lower phase cross-arm, thus be difficult to safety, effectively carry out changing strain insulator string operation.
There is no relevant professional tool at present to carry out auxiliary security, effectively carry out the replacing operation of strain insulator string, so that in expanding mutually and lower phase operation window.
Utility model content
The utility model provides a kind of for changing the insulated mast assembly of 110 ~ 220kV multiple-loop line power line tension insulator string, phase and lower phase operation window in expansion, thus implements the replacing operation of insulator more safely.
The technical solution of the utility model is: a kind of multiple-loop line power line tension insulator string live replacing device, comprise support bar 4, first pull bar 5 and the second pull bar 6, three connects into triangle in turn, the head of support bar 4 is provided with hook 11, and the first pull bar 5 and the second pull bar 6 junction are provided with clasp 9.
Further, first pull bar 5 one end is connected to the head of support bar 4, and second pull bar 6 one end is connected to the middle part of support bar 4.
Further, support bar 4 is provided with adjuster, gland 10 is provided with inside hook 11, support bar 4 inside is provided with connecting rod, connecting rod one end connection adjustor, the other end is connected and fixed 10, utilizes adjuster to drive inner link, thus gland 10 is moved to hook 11, wire jumper is clipped between hook 11 and gland 10.
Further, also comprise fastener 7, afterbody and the fastener 7 of support bar 4 are rotatably connected.
Further, second pull bar 6 one end is connected to the middle part of support bar 4 by fixed cover 8, fixed cover 8 is provided with adjusting screw(rod) 81, as adjuster.
During use, insulation stay cord is tied up on clasp 9, the afterbody of support bar 4 and fastener 7 are rotatably connected, fastener 7 is contained on the side of cross-arm, and wire jumper is hung on hook 11, carry out insulator string charged for replacement with pull-up wire jumper.
The beneficial effects of the utility model are: adopt insulated mast assembly of the present utility model to expand the safe distance of phase wire jumper and middle phase cross-arm, middle phase jumping wire and lower phase cross-arm on 110 ~ 220kV multiple-loop line strain tower of transmission line, expand operation window, capture operating personnel and can not to carry out the technical barrier of operation at operation cross-arm in ground, achieve the live-line maintenance operation of each layer cross-arm of 110 ~ 220kV multiple-loop line transmission line, improve the ability of hotline maintenance, ensure that the safe and stable operation of electrical network.
Accompanying drawing explanation
Fig. 1 is 110 ~ 220kV multiple-loop line transmission line front view.
Fig. 2 is position 3 place's insulator string and wire partial enlarged drawing.
The structural representation of Fig. 3 the utility model specific embodiment.
Wherein, support bar 4, first pull bar 5, second pull bar 6, fastener 7, fixed cover 8, adjusting screw(rod) 81, clasp 9, gland 10, hook 11.
Embodiment
Insulated mast assembly of the present utility model, as Fig. 3, comprise support bar 4, first pull bar 5 and the second pull bar 6, three connects into triangle in turn, first pull bar 5 one end is connected to the head of support bar 4, and second pull bar 6 one end is connected to the middle part of support bar 4 by fixed cover 8.The afterbody connection fastener 7 of support bar 4, the head of support bar 4 is provided with hook 11.First pull bar 5 and the second pull bar 6 junction are provided with clasp 9.Fixed cover 8 is provided with adjusting screw(rod) 81, and be provided with gland 10 inside hook 11, support bar 4 inside is provided with connecting rod, and connecting rod one end connects adjusting screw(rod) 81, and the other end is connected and fixed 10.Hook 11 is caught on wire, utilizes adjusting screw(rod) 81 to drive inner link, thus gland 10 is moved to hook 11, by wire clamp between hook 11 and gland 10.
Following position 1,2,3 lays respectively at phase cross-arm, middle phase cross-arm, lower phase cross-arm.
With reference to figure 1 ~ 2, adopt the utility model to carry out charged for replacement 110 ~ 220kV multiple-loop line strain tower of transmission line insulator (for phase strain insulator string under charged for replacement upper layer circuit), its concrete steps are as follows:
(1) rope is transmitted in installing insulating coaster, insulation
No. 1 electrician carries insulation coaster and steps on tower with transmission rope (insulation stay cord) of insulating, and insulation coaster and the transmission rope that insulate are arranged on position 1;
(2) distance of middle phase jumping wire and lower phase cross-arm is expanded
No. 2 electrician in-positions 2, the insulation stay cord being arranged on position 1 ties up on clasp 9 by ground electrician, insulated mast assembly is passed to position 2 place;
Fastener 7 is fastened cross-arm tower material by No. 2 electricians, then be connected on fastener 7 by rotatable for support bar 4 tail end, thus insulated mast assembly is connected on the side of position 2(cross-arm), and adopting insulating bar to be hung over by wire jumper on hook 11, adjusting screw(rod) 81 clamps wire jumper.Make support bar 4 perpendicular to cross arm lateral side and withstand in the middle part of wire jumper;
Ground electrician coordinates the insulation stay cord on slowly pull-up clasp 9, support bar 4 rotates up, by wire jumper arcuately shape to outside circuit oblique upper (being upper right side in figure) rotate, to ensureing that wire jumper has safe enough distance to operating personnel on lower phase cross-arm, insulation stay cord is fixed and carries out insurance;
(3) old insulator string is taken off;
(4) new insulator string is changed.
Said method is also applicable to phase strain insulator string in charged for replacement, but first need expand the distance of upper phase wire jumper and middle phase cross-arm.
Claims (5)
1. the insulated mast assembly for charged for replacement multiple-loop line power line tension insulator string, it is characterized in that comprising support bar (4), the first pull bar (5) and the second pull bar (6), three connects into triangle in turn, the head of support bar (4) is provided with hook (11), and the first pull bar (5) and the second pull bar (6) junction are provided with clasp (9).
2. the insulated mast assembly for charged for replacement multiple-loop line power line tension insulator string according to claim 1, it is characterized in that support bar (4) is provided with adjuster, hook (11) inner side is provided with gland (10), support bar (4) inside is provided with connecting rod, connecting rod one end connection adjustor, the other end is connected and fixed head (10), adjuster is utilized to drive inner link, thus make gland (10) to hook (11) motion, wire jumper is clipped between hook (11) and gland (10).
3. the insulated mast assembly for charged for replacement multiple-loop line power line tension insulator string according to claim 1, it is characterized in that the first pull bar (5) one end is connected to the head of support bar (4), the second pull bar (6) one end is connected to the middle part of support bar (4).
4. the insulated mast assembly for charged for replacement multiple-loop line power line tension insulator string according to claim 1, characterized by further comprising fastener (7), and afterbody and the fastener (7) of support bar (4) are rotatably connected.
5. the insulated mast assembly for charged for replacement multiple-loop line power line tension insulator string according to claim 2, it is characterized in that the second pull bar (6) one end is connected to the middle part of support bar (4) by fixed cover (8), fixed cover (8) is provided with adjusting screw(rod) (81), as adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992249.5U CN205159921U (en) | 2015-12-04 | 2015-12-04 | A insulating pole of embracing that is used for changing with electricity with many times transmission line strain insulator string in tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992249.5U CN205159921U (en) | 2015-12-04 | 2015-12-04 | A insulating pole of embracing that is used for changing with electricity with many times transmission line strain insulator string in tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159921U true CN205159921U (en) | 2016-04-13 |
Family
ID=55695573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520992249.5U Active CN205159921U (en) | 2015-12-04 | 2015-12-04 | A insulating pole of embracing that is used for changing with electricity with many times transmission line strain insulator string in tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958385A (en) * | 2016-06-01 | 2016-09-21 | 国网浙江新昌县供电公司 | Ground wire safety bracing frame |
-
2015
- 2015-12-04 CN CN201520992249.5U patent/CN205159921U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958385A (en) * | 2016-06-01 | 2016-09-21 | 国网浙江新昌县供电公司 | Ground wire safety bracing frame |
| CN105958385B (en) * | 2016-06-01 | 2019-05-03 | 国网浙江新昌县供电公司 | It is grounded safety support support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170621 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Co-patentee after: State Grid Hunan Electric Power Company Patentee after: State Grid Corporation of China Co-patentee after: Guo Wang Hunan Province Utilities Electric Co. live line working center Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Hunan Electric Power Company Patentee before: State Grid Corporation of China Co-patentee before: Guo Wang Hunan Province Utilities Electric Co. live line working center Co-patentee before: HUNAN TAIPING CHANGSHENG ELECTRIC APPLIANCES CO., LTD. |
|
| TR01 | Transfer of patent right |