CN205565511U - Change insulators cross arm fixture for operation with two steel pipe poles that return of tower - Google Patents
Change insulators cross arm fixture for operation with two steel pipe poles that return of tower Download PDFInfo
- Publication number
- CN205565511U CN205565511U CN201620165465.7U CN201620165465U CN205565511U CN 205565511 U CN205565511 U CN 205565511U CN 201620165465 U CN201620165465 U CN 201620165465U CN 205565511 U CN205565511 U CN 205565511U
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- cross
- arm
- steel pipe
- common
- pipe pole
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- 239000012212 insulator Substances 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 230000008859 change Effects 0.000 title claims abstract description 7
- 230000033228 biological regulation Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000010339 dilation Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
- Insulators (AREA)
- Electric Cable Installation (AREA)
Abstract
The utility model discloses a change insulators cross arm fixture for operation with two steel pipe poles that return of tower, including the fixture body, its characterized in that: fixture body middle section sets up two cross arm cassettes, and fixture body both ends respectively set up opening turn -buckle draw -in groove up, and the turn -buckle is hung in the turn -buckle draw -in groove at cross arm fixture both ends after being connected with insulating pull rod and wire lifting hook, and tighten up or relax the turn -buckle and can realize the change operation to insulator chain, the utility model discloses during the use, overcome the inconvenient problem of maintenance work that leads to the fact because of circuit design, easy and simple to handle, labour saving and time saving, work efficiency is high, the commonality is strong, and to the requirement of staff's un -specificness, the operation personnel are few, and it is succinct to change operation flow, low in labor strength, and general live working personnel use and to reach the overhaul technology requirement, and the advantage activity duration that has intensity height, light in weight, security height, portable is short, and work efficiency is high, has reduced the line outage time, has improved the electric quantity and has sold and circuit safety.
Description
Technical field
This utility model relates to a kind of common-tower double-return steel pipe pole for earth potential live operation and changes the cross-arm fixture of suspension insulator.
Background technology
Along with socioeconomic development, the public is reliable for electric power, and supply requires more and more higher.Owing to steel pipe pole takes up an area, space is little, small investment, construction speed fast, and both artistic and practical, widely applies in recent years in Construction of Intercity Network.Along with being on the increase of power circuit, equipment component is the most aging, and transmission line of electricity operating repairs task is more and more heavier.In designing due to circuit, steel pipe pole steel tube surface is smooth, working place is narrow, do not take into full account the task requirement that equipment live overhauls, and limited by design conditions, the rod-type of common-tower double-return steel pipe pole, wire layout more more compact than angle steel tower single back line, phase spacing is the least, cause and on steel pipe pole, carry out the difficulty of live-line replacing insulator chain the most greatly, have a strong impact on circuit reliability operating index.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of common-tower double-return steel pipe pole convenient to operate and changes insulator operation cross-arm fixture.
Technical solution of the present utility model is: the common-tower double-return steel pipe pole provided changes insulator operation cross-arm fixture, including jig body, it is characterized in that described jig body stage casing arranges two cross-arm decks, and jig body two ends respectively arrange an opening up tightener draw-in groove.Tightener hangs over after being connected with insulated tension pole and thread-lifting hook in the tightener draw-in groove at cross-arm fixture two ends, tightens up or loosens tightener and can realize the replacing operation to insulator chain.
Above-mentioned jig body two ends are additionally provided with opening and prop up seat slot towards the tightener in outside, are set to double hanging point, hang string mode adapting to single, double insulator.
It is provided with the screwed hole of up/down perforation between above-mentioned cross-arm deck and tightener draw-in groove, in screwed hole, is provided with " L " shape cross-arm hook of leading screw screw rod.Whole cross-arm fixture is connected fixing by " L " shape cross-arm hook with steel pipe pole cross-arm.
Being provided with rotary extension slide block on above-mentioned cross-arm deck, the maximal dilation amount of rotary extension slide block is 30cm, it is ensured that it is applicable to the cross-arm of the different models such as 35kV, 110kV, 220kV.
Above-mentioned rotary extension slide block is arc-shaped with the contact surface of cross-arm, it is possible to bear certain active force.
Above-mentioned jig body stage casing is additionally provided with bird proof device draw-in groove, it is adaptable to be provided with the cross-arm end plate of bird proof device.
The fixing bolt of regulation it is provided with on above-mentioned bird proof device draw-in groove, fixing for regulation on bird proof device.
Above-mentioned jig body is aluminum alloy material, and intensity is high, lightweight.
The beneficial effects of the utility model:
(1) the cross-arm fixture structure that this utility model provides is simple, overcomes because circuit designs the problem of the service work inconvenience caused, makes suspension insulator to change flexibly, and easy and simple to handle, time saving and energy saving, work efficiency is high；
(2) the cross-arm fixture highly versatile that this utility model provides, to staff without particular/special requirement, operating personnel is few, and replacement operation flow process is succinct, and labor intensity is low.General livewire work librarian use can reach maintenance craft requirement, it is adaptable to 35kV 110kV common-tower double-return steel pipe pole earth potential live operation；
(3) cross-arm fixture provided by the utility model uses aluminum alloy material, has that intensity is high, lightweight, safety is high, portable advantage；
(4) the cross-arm fixture using this utility model to provide can be short with live-line replacing insulator chain, activity duration, and work efficiency is high, decreases the line outage time, improves electricity and sells and line security.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model preferred embodiment.
Fig. 2 is the schematic top plan view of this utility model preferred embodiment.
Fig. 3 is the use view of this utility model preferred embodiment.
Wherein, reference is: 1-jig body；2-tightener draw-in groove；3-tightener props up seat slot；4-bird proof device draw-in groove；The fixing bolt of 5-regulation；6-screwed hole；7-cross-arm is linked up with；8-cross-arm deck；9-rotary extension slide block；10-tightener；11-insulated tension pole；12-thread-lifting hook；13-wire；14-insulator chain.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described:
Seeing Fig. 1 and Fig. 2, this utility model preferred embodiment is that one is applicable to 35kV 220kV common-tower double-return steel pipe pole polygon cross-arm conductor wire end special cross-arm fixture, and this cross-arm fixture includes the jig body 1 of a symmetrical type structure.The stage casing of jig body 1 arranges two cross-arm decks 8, and the two ends of jig body 1 respectively arrange an opening up tightener draw-in groove 2 and opening and prop up seat slot 3 towards the tightener in outside, are set to double hanging point, are adapted to single, double insulator and hang string mode.It is provided with rotary extension slide block 9(top on cross-arm deck 8 and leaves the remaining of 5mm), the maximal dilation amount of rotary extension slide block 9 is 30cm, it is ensured that it is applicable to the cross-arm of the different models such as 35kV, 110kV, 220kV, the narrowest 13cm of cross-arm, the widest can reach 26cm.The contact surface of rotary extension slide block 9 and cross-arm to be designed to the transition connection portion part having certain radian so that it is can bear certain active force.Being additionally provided with " Π " shape bird proof device draw-in groove 4 between two cross-arm decks 8, bird proof device draw-in groove 4 both sides are provided with the fixing bolt 5 of regulation to adapt to various sizes of cross-arm bird proof device.Prop up at cross-arm bird proof device draw-in groove 4 and tightener and between seat slot 3, be provided with screwed hole 6, " L " shape cross-arm hook 7 of band leading screw screw rod is installed in screwed hole 6, cross-arm hook 7 is set to symmetric double hanging point, can be adapted to differing heights by the length of the length of regulation cross-arm hook 7 and rotary extension slide block 9 and is fitted without the cross-arm end plate of bird proof device.Cross-arm hook 7 employing leading screw screw rods are joined screw and are fixed as one molding, because double hook will in use bear main power.The hook plate of hook to design relatively long and wider, and big with the contact surface of cross-arm, hook plate was originally perpendicular type, and owing to cross-arm is an arc, so hook plate to be designed with certain rake angle, angle of inclination is about 5 degree, and hook plate wants low on the left of the height of right side.
Seeing Fig. 3, tightener 10 hangs over after being connected with insulated tension pole 11 and thread-lifting hook 12 in the tightener draw-in groove 2 at cross-arm fixture two ends, tightens up or loosens tightener 1 and can realize the replacing operation to insulator chain 14.
The cross-arm fixture structure that this utility model provides is simple, overcomes because circuit designs the problem of the service work inconvenience caused, makes suspension insulator to change flexibly, and easy and simple to handle, time saving and energy saving, work efficiency is high；Cross-arm fixture highly versatile, to staff without particular/special requirement, operating personnel is few, and replacement operation flow process is succinct, and labor intensity is low.General livewire work librarian use can reach maintenance craft requirement, it is adaptable to 35kV 110kV common-tower double-return steel pipe pole earth potential live operation；Cross-arm fixture uses aluminum alloy material, has that intensity is high, lightweight, safety is high, portable advantage；Cross-arm fixture can be short with live-line replacing insulator chain, activity duration, and work efficiency is high, decreases the line outage time, improves electricity and sells and line security.
Claims (9)
1. common-tower double-return steel pipe pole changes an insulator operation cross-arm fixture, including jig body, it is characterised in that: described jig body stage casing arranges two cross-arm decks, and jig body two ends respectively arrange an opening up tightener draw-in groove.
Common-tower double-return steel pipe pole the most according to claim 1 changes insulator operation cross-arm fixture, it is characterised in that: described jig body two ends are additionally provided with opening and prop up seat slot towards the tightener in outside.
Common-tower double-return steel pipe pole the most according to claim 2 changes insulator operation cross-arm fixture, it is characterized in that: between described cross-arm deck and tightener draw-in groove, be provided with the screwed hole of up/down perforation, in screwed hole, be provided with " L " shape cross-arm hook of leading screw screw rod.
Common-tower double-return steel pipe pole the most according to claim 3 changes insulator operation cross-arm fixture, it is characterised in that: it is provided with rotary extension slide block on described cross-arm deck.
Common-tower double-return steel pipe pole the most according to claim 4 changes insulator operation cross-arm fixture, it is characterised in that: the maximal dilation amount of described rotary extension slide block is 30cm.
Common-tower double-return steel pipe pole the most according to claim 5 changes insulator operation cross-arm fixture, it is characterised in that: described rotary extension slide block is arc-shaped with the contact surface of cross-arm.
Common-tower double-return steel pipe pole the most according to claim 6 changes insulator operation cross-arm fixture, it is characterised in that: described jig body stage casing is additionally provided with bird proof device draw-in groove.
Common-tower double-return steel pipe pole the most according to claim 7 changes insulator operation cross-arm fixture, it is characterised in that: it is provided with the fixing bolt of regulation on described bird proof device draw-in groove.
9. change insulator operation cross-arm fixture according to described common-tower double-return steel pipe pole arbitrary in claim 1-8, it is characterised in that: described jig body is aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620165465.7U CN205565511U (en) | 2016-03-04 | 2016-03-04 | Change insulators cross arm fixture for operation with two steel pipe poles that return of tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620165465.7U CN205565511U (en) | 2016-03-04 | 2016-03-04 | Change insulators cross arm fixture for operation with two steel pipe poles that return of tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205565511U true CN205565511U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620165465.7U Expired - Fee Related CN205565511U (en) | 2016-03-04 | 2016-03-04 | Change insulators cross arm fixture for operation with two steel pipe poles that return of tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205565511U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514877A (en) * | 2016-03-04 | 2016-04-20 | 国家电网公司 | Cross arm clamp for insulator replacement of steel pipe pole of common-tower double-circuit lines |
| CN110880713A (en) * | 2019-12-06 | 2020-03-13 | 国网青海省电力公司海北供电公司 | Transmission line tangent tower leads ground wire and carries line ware |
| CN114725829A (en) * | 2022-04-07 | 2022-07-08 | 国网浙江省电力有限公司永康市供电公司 | Live working method for changing double-circuit line triangular arrangement straight line rod into strain rod |
| CN114744544A (en) * | 2022-04-07 | 2022-07-12 | 国网浙江省电力有限公司永康市供电公司 | Double-circuit line triangular arrangement straight rod-to-tension rod live working tool |
-
2016
- 2016-03-04 CN CN201620165465.7U patent/CN205565511U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514877A (en) * | 2016-03-04 | 2016-04-20 | 国家电网公司 | Cross arm clamp for insulator replacement of steel pipe pole of common-tower double-circuit lines |
| CN105514877B (en) * | 2016-03-04 | 2018-11-16 | 国家电网公司 | Common-tower double-return steel pipe pole replacement insulation subjob cross-arm fixture |
| CN110880713A (en) * | 2019-12-06 | 2020-03-13 | 国网青海省电力公司海北供电公司 | Transmission line tangent tower leads ground wire and carries line ware |
| CN114725829A (en) * | 2022-04-07 | 2022-07-08 | 国网浙江省电力有限公司永康市供电公司 | Live working method for changing double-circuit line triangular arrangement straight line rod into strain rod |
| CN114744544A (en) * | 2022-04-07 | 2022-07-12 | 国网浙江省电力有限公司永康市供电公司 | Double-circuit line triangular arrangement straight rod-to-tension rod live working tool |
| CN114744544B (en) * | 2022-04-07 | 2024-04-16 | 国网浙江省电力有限公司永康市供电公司 | Live working tool for changing double-circuit line triangular arrangement straight line pole into tension pole |
| CN114725829B (en) * | 2022-04-07 | 2024-04-16 | 国网浙江省电力有限公司永康市供电公司 | Live working method for changing double-circuit line triangular arrangement straight line pole into tension pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20190304 |