CN204167789U - A kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line - Google Patents
A kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line Download PDFInfo
- Publication number
- CN204167789U CN204167789U CN201420627688.1U CN201420627688U CN204167789U CN 204167789 U CN204167789 U CN 204167789U CN 201420627688 U CN201420627688 U CN 201420627688U CN 204167789 U CN204167789 U CN 204167789U
- Authority
- CN
- China
- Prior art keywords
- insulator string
- transmission line
- strain insulator
- guide
- seat board
- Prior art date
- 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.)
- Active
Links
- 239000012211 strain insulator Substances 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 238000012423 maintenance Methods 0.000 title claims abstract description 19
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 20
- 238000009434 installation Methods 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 208000035480 Ring chromosome 8 syndrome Diseases 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model provides a kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line, comprises horizontal guide and the perpendicular backstay and the fixed support that are fixed on described horizontal guide two ends; Described horizontal guide between described backstay and described fixed support is movably installed with slip seat board and gag lever post; Described horizontal guide is made up of location guide and the flexible guide rod that can slide along described location guide axis direction be nested in described location guide.This flat ladder design is succinct, in-site installation is convenient, effectively improve the fail safe that operating personnel passes in and out strain insulator string.
Description
Technical field
The utility model relates to a kind of flat ladder, specifically relates to a kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line.
Background technology
At present, the difference of the factors such as the environment residing for transmission line, there is inconsistent phenomenon in power line tension insulator string insulation configuration, namely the sheet number of strain insulator string is not etc.When these insulators are damaged or after deterioration, the insulation level of bunch of insulator will reduce greatly, has a strong impact on the safe operation of transmission line, therefore must overhaul in time.
The multi-joint pattern of the many employings of ultra-high/extra-high voltage power line tension insulator string is installed, when strain insulator string carries out upkeep operation, general employing enters working point along the mode of insulator string direction movement, but because the length of the adjustment gold utensil of strain insulator string when extra high voltage line designs is longer, distance between cross-arm hanging point and strain insulator string first insulator can reach 2 ~ 3m, regulate gold utensil level interval also more than 1m, the width of the connection gold utensil of connecting insulator and cross-arm is less simultaneously, operating personnel is difficult to realize along connecting gold utensil turnover insulator string by cross-arm, there is serious potential safety hazard.
Therefore need to provide a kind of new technical scheme, to ensure that operating personnel passes in and out the fail safe that insulator string carries out upkeep operation.
Utility model content
In order to overcome above-mentioned defect existing in prior art, the utility model provides a kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line, for solving the problem how passing in and out safely insulator string when the multi-joint strain insulator-string of UHV transmission line overhauls.
The technical scheme that the utility model provides is: a kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line, comprises horizontal guide and the perpendicular backstay and the fixed support that are fixed on described horizontal guide two ends; Its improvements are: the described horizontal guide between described backstay and described fixed support is movably installed with slip seat board and gag lever post; Described horizontal guide is made up of location guide and the flexible guide rod that can slide along described location guide axis direction be nested in described location guide.
Preferably, described location guide comprises two and is parallel to each other and the equal hollow stem of length, described flexible guide rod comprise be nested in respectively in described two hollow stem can respectively along two expansion links that described two hollow stem axis directions slide.Further, the length of described two expansion links is equal, and one end of described expansion link is nested in described hollow stem, and its other end is vertically fixed with backstay.
Preferably, described gag lever post is equal with the length of described backstay and be parallel to each other, and described gag lever post can slide along described horizontal guide axis direction.
Preferably, described slip seat board is arranged between described gag lever post and described fixed support, and described slip seat board can slide along described horizontal guide axis direction.
Preferably, described support bracket fastened side and location guide are fixed, and its opposite side two ends are provided with U-shaped securing member perpendicular to described fixed support.
Preferably, described slip seat board is square, four Angle Position of described slip seat board homonymy are respectively arranged with four pulleys, in the hollow stem that two pulleys in described four pulleys are arranged on location guide or be arranged on an expansion link of flexible guide rod, in another hollow stem that two other pulley correspondence is arranged on described location guide or be arranged on another expansion link of described flexible guide rod.
Further, be provided with in the middle part of one end of described slip seat board be positioned at described location guide two hollow stem in the middle of or be positioned at described flexible guide rod two expansion links in the middle of safety hanging ring.
Further, the location guide bottom described slip seat board or flexible guide rod both sides are provided with limiting plate, and described limiting plate, perpendicular to described location guide or described flexible guide rod, is located between two pulleys on same location guide or flexible guide rod.
Further, the limiting plate of described location guide or flexible guide rod both sides is vertical with described slip seat board to be fixed, described both sides limiting plate is arranged the screw of size and position difference correspondence, described limiting plate is bolted on described location guide or described flexible guide rod.
Compared with immediate prior art, the utility model has following marked improvement:
1. the present invention has decoration structure features simple design, in-site installation convenience, the reliable feature of handling safety.
2. the present invention adopts telescopic guide rod to design, and can adjust flat terraced length flexibly, have applicability widely according to the demand of operation field.
3. slip seat board of the present invention is provided with special safety hanging ring, for maintainer's safety belt provides reliable impetus, improves operational security.
Accompanying drawing illustrates:
The flat terraced vertical view of multi-joint strain insulator string maintenance of the UHV transmission line that Fig. 1 provides for the utility model;
The flat terraced front view of multi-joint strain insulator string maintenance of the UHV transmission line that Fig. 2 provides for the utility model;
Fig. 3 is the seat board sheave segment structural representation that slides in Fig. 1 and Fig. 2;
Fig. 4 is the structural representation of seat board lowermost limit plate portion of sliding in Fig. 1 and Fig. 2;
Wherein: 1-fixed support, 2-location guide, 3-stretches guide rod, 4-gag lever post, 5-backstay, 6-slip seat board, 7-limiting plate, 8-safety hanging ring, 9-pulley; 10-bolt; 11-U type securing member.
Embodiment:
In order to understand the utility model better, below in conjunction with Figure of description and example, content of the present utility model is described further.
The multi-joint strain insulator string maintenance of the UHV transmission line that the utility model provides is with putting down the structural representation of ladder as depicted in figs. 1 and 2:
Agent structure comprises fixed support-1, location guide-2, flexible guide rod-3 and slip seat board-6; Auxiliary part comprises backstay-5, backstay-5 and limiting plate-7, and slip seat board-6 is provided with safety hanging ring-8.
Location guide-2 comprises two and is parallel to each other and the equal hollow stem of length, one end of location guide-2 is installed with the fixed support-1 of strip perpendicular to location guide-2, the other end of location guide-2 is provided with the flexible guide rod-3 that can slide along location guide-2 axis direction be nested in location guide-2, and flexible guide rod-3 is made up of two expansion links that can slide along two hollow stem axis directions be respectively nested in respectively in two hollow stem.The length of two expansion links is equal, and the other end of expansion link is installed with backstay-5 perpendicular to expansion link.
Location guide-2 between backstay-5 with fixed support-1 or flexible guide rod-3 are movably installed with the gag lever post-4 vertical with location guide-2, and gag lever post-4 can slide along the direction with location guide-2 axis being parallel.
The side of fixed support-1 and location guide-2 fixedly mount, and its opposite side two ends are provided with U-shaped securing member-11.U-shaped securing member-11 is for being connected and fixed flat ladder and cross arm of tower.
Slip seat board-6 is square, is movably arranged on location guide-2 or flexible guide rod-3.As shown in Figure 3: four Angle Position bottom slip seat board-6 are respectively arranged with four pulleys-9, wherein two pulleys-9 be arranged on location guide-2 a hollow stem on or be arranged on an expansion link of flexible guide rod-3, in another hollow stem that two other pulley-9 correspondence is arranged on location guide-2 or be arranged on another expansion link of flexible guide rod-3, slip seat board-6 can be slided along location guide-2 axis direction by pulley-9.
Safety hanging ring-8 in the middle of two expansion links that are that be provided with two the hollow stem centres being positioned at location guide-2 in the middle part of one end of slip seat board-6 or that be positioned at flexible guide rod-3.
The limiting plate-7 be movably arranged on location guide-2 or on flexible guide rod-3 is provided with between two groups, the front and back pulley-9 of slip seat board-6, as shown in Figure 4: circular pattern is guide rail-2 or 3, limiting plate-7 is stuck in guide rail-2 or 3 both sides, play the effect be fixed on by slip seat board-6 on guide rail-2 or 3, when slip seat board-6 needs fixed position, realize the fixing of slip seat board by elasticity bolt-10 or slide.
UHV transmission line carry out upkeep operation need on strain insulator string operation or enter job position along strain insulator string time, operating personnel steps on tower to multi-joint strain insulator-string cross-arm hanging point place, according to cross-arm to flexible guide rod-3 length of distance adjustment of strain insulator-string first insulator, adjustment gag lever post-4 is also fixing in guide rod position, to make between gag lever post-4 and backstay-5 spacing slightly larger than the structure height of first insulator, gag lever post-4 and backstay-5 are stuck in the two ends of insulator, then by the U-shaped securing member on fixed support-1, fixed support-1 is fixed on cross arm of tower, operating personnel takes slip seat board-6, safety belt lock is buckled on safety hanging ring-8, carry out backup protection, steady mobile slip seat board-6, the strain insulator string that arrives safe and sound carries out upkeep operation.Thus ensure that operating personnel passes in and out the fail safe of strain insulator string.
These are only embodiment of the present utility model, be not limited to the utility model, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all applying within the right of the present utility model awaited the reply.
Claims (10)
1. the flat ladder of multi-joint strain insulator string maintenance of a UHV transmission line, comprises horizontal guide and the perpendicular backstay and the fixed support that are fixed on described horizontal guide two ends; It is characterized in that: the described horizontal guide between described backstay and described fixed support is movably installed with slip seat board and gag lever post; Described horizontal guide is made up of location guide and the flexible guide rod that can slide along described location guide axis direction be nested in described location guide.
2. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 1, is characterized in that:
Described location guide comprises two and is parallel to each other and the equal hollow stem of length, described flexible guide rod comprise be nested in respectively in described two hollow stem can respectively along two expansion links that described two hollow stem axis directions slide.
3. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 2, is characterized in that:
The length of described two expansion links is equal, and one end of described expansion link is nested in described hollow stem, and its other end is vertically fixed with backstay.
4. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 1, is characterized in that:
Described gag lever post is equal with the length of described backstay and be parallel to each other, and described gag lever post can slide along described horizontal guide axis direction.
5. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 1, is characterized in that:
Described slip seat board is arranged between described gag lever post and described fixed support, and described slip seat board can slide along described horizontal guide axis direction.
6. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 1, is characterized in that:
Described support bracket fastened side and location guide are fixed, and its opposite side two ends are provided with U-shaped securing member perpendicular to described fixed support.
7. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 1, is characterized in that:
Described slip seat board is square, four Angle Position of described slip seat board homonymy are respectively arranged with four pulleys, in the hollow stem that two pulleys in described four pulleys are arranged on location guide or be arranged on an expansion link of flexible guide rod, in another hollow stem that two other pulley correspondence is arranged on described location guide or be arranged on another expansion link of described flexible guide rod.
8. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 7, is characterized in that:
Safety hanging ring in the middle of two expansion links that are that be provided with two the hollow stem centres being positioned at described location guide in the middle part of one end of described slip seat board or that be positioned at described flexible guide rod.
9. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 8, is characterized in that:
Location guide bottom described slip seat board or flexible guide rod both sides are provided with limiting plate, and described limiting plate, perpendicular to described location guide or described flexible guide rod, is located between two pulleys on same location guide or flexible guide rod.
10. the flat ladder of multi-joint strain insulator string maintenance of a kind of UHV transmission line as claimed in claim 9, is characterized in that:
The limiting plate of described location guide or flexible guide rod both sides is vertical with described slip seat board to be fixed, and described both sides limiting plate is arranged the screw of size and position difference correspondence, described limiting plate is bolted on described location guide or described flexible guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627688.1U CN204167789U (en) | 2014-10-27 | 2014-10-27 | A kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627688.1U CN204167789U (en) | 2014-10-27 | 2014-10-27 | A kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167789U true CN204167789U (en) | 2015-02-18 |
Family
ID=52541440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627688.1U Active CN204167789U (en) | 2014-10-27 | 2014-10-27 | A kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167789U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790161A (en) * | 2016-05-10 | 2016-07-20 | 国网湖南省电力公司带电作业中心 | Omnibearing rotary telescoping insulating ladder and application method therefor |
| CN107069540A (en) * | 2017-03-24 | 2017-08-18 | 国家电网公司 | A kind of cross extra high voltage line high-altitude maintenance safety work device |
| CN107839149A (en) * | 2017-12-12 | 2018-03-27 | 西诺控股集团有限公司 | Injection machine may move locked mode metal plate |
| CN107910805A (en) * | 2017-07-13 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of strain insulator composite insulator outlet flat ladder |
| CN108462100A (en) * | 2018-02-27 | 2018-08-28 | 国家电网公司 | A kind of six or three hanging point strain insulator-string operating platform of ± 800 kV UHVDC Transmission Lines |
| CN112202102A (en) * | 2020-10-20 | 2021-01-08 | 国网山东省电力公司潍坊供电公司 | Spraying operation platform for tension porcelain insulator |
| CN116905884A (en) * | 2023-09-14 | 2023-10-20 | 国网山西省电力公司长治供电公司 | Intelligent tension rod for assembling high-voltage distribution line |
-
2014
- 2014-10-27 CN CN201420627688.1U patent/CN204167789U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790161A (en) * | 2016-05-10 | 2016-07-20 | 国网湖南省电力公司带电作业中心 | Omnibearing rotary telescoping insulating ladder and application method therefor |
| CN107069540A (en) * | 2017-03-24 | 2017-08-18 | 国家电网公司 | A kind of cross extra high voltage line high-altitude maintenance safety work device |
| CN107069540B (en) * | 2017-03-24 | 2018-07-17 | 国家电网公司 | A kind of cross extra high voltage line high-altitude maintenance safety work device |
| CN107910805A (en) * | 2017-07-13 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of strain insulator composite insulator outlet flat ladder |
| CN107839149A (en) * | 2017-12-12 | 2018-03-27 | 西诺控股集团有限公司 | Injection machine may move locked mode metal plate |
| CN108462100A (en) * | 2018-02-27 | 2018-08-28 | 国家电网公司 | A kind of six or three hanging point strain insulator-string operating platform of ± 800 kV UHVDC Transmission Lines |
| CN112202102A (en) * | 2020-10-20 | 2021-01-08 | 国网山东省电力公司潍坊供电公司 | Spraying operation platform for tension porcelain insulator |
| CN116905884A (en) * | 2023-09-14 | 2023-10-20 | 国网山西省电力公司长治供电公司 | Intelligent tension rod for assembling high-voltage distribution line |
| CN116905884B (en) * | 2023-09-14 | 2023-11-21 | 国网山西省电力公司长治供电公司 | Intelligent tension rod for assembling high-voltage distribution line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204167789U (en) | A kind of flat ladder of multi-joint strain insulator string maintenance of UHV transmission line | |
| CN101834424B (en) | Method for mounting overhead ground wire on horizontally-arranged 10KV insulated wire lines and lightning arrester support | |
| CN102882157B (en) | Portable shockproof hammer tool for replacing tension wire in power cut | |
| CN105406434B (en) | A kind of inclined conducting wire hanging method of strong wind area power transmission line wind | |
| AU2014247637B2 (en) | Guide rail rope deflection inhibition mechanism and method for parallel soft cable suspension system | |
| CN105155908A (en) | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' | |
| CN203850795U (en) | Windage yaw prevention flexible control device used for power transmission lines | |
| CN204282935U (en) | Power grid transmission line bar bird-proof device | |
| CN102916371A (en) | Overhead ground wire repair method and device | |
| CN102611036B (en) | Interval adjustable cross-arm holder | |
| CN102163824B (en) | Operating tool and operation method for electrically replacing T-type mounting point suspending insulator in 110kV line steel pipe rod | |
| CN201349108Y (en) | Corner paying-off pulley | |
| CN204980800U (en) | Portable step baffle installation structure | |
| CN206016391U (en) | A kind of double loop cydariform cable termination tower that is maked somebody a mere figurehead based on drain bus under drawing | |
| CN205159906U (en) | Insulation of special high tension transmission line strain insulator -string is qualified for next round of competitions flexible flat terracedly | |
| CN205145440U (en) | Horizontal lifeline system | |
| CN204173711U (en) | For the guiding anti-wobble mechanism of iron tower of power transmission line jacking system | |
| CN204847642U (en) | Construction elevator stop device | |
| CN203932942U (en) | A kind of drag chain bracket system | |
| CN103606846B (en) | A kind of hot-line insulator string replacement operation high-strength insulating rope supporting component | |
| CN203113867U (en) | Straight-line cable T-jointing steel tube rod tower | |
| CN209950160U (en) | Bird nest guiding device | |
| CN206727573U (en) | A kind of cable wiring structure of staged bridge joint | |
| CN205447177U (en) | Equipment for power transmission and distribution rack | |
| CN202474750U (en) | Elbow for cable bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |