CN113555172A - A wire fixing device for live replacement of post insulators - Google Patents
A wire fixing device for live replacement of post insulators Download PDFInfo
- Publication number
- CN113555172A CN113555172A CN202110786789.8A CN202110786789A CN113555172A CN 113555172 A CN113555172 A CN 113555172A CN 202110786789 A CN202110786789 A CN 202110786789A CN 113555172 A CN113555172 A CN 113555172A
- Authority
- CN
- China
- Prior art keywords
- fixing device
- nut
- side wall
- card slot
- wire fixing
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/16—Fastening of insulators to support, to conductor, or to adjoining insulator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
Landscapes
- Electric Cable Installation (AREA)
Abstract
本发明涉及一种带电更换支柱绝缘子用导线固定装置，包括U型上卡槽、绝缘支柱和U型下卡槽；U型上卡槽背离开口的一端通过第一连接件连接到绝缘支柱的顶端，U型上卡槽的第一侧壁上活动安装有第一锁扣组件；U型下卡槽的第一侧壁通过第二连接件连接到绝缘支柱的底端，U型下卡槽的第二侧壁上设置有第二锁扣组件。本发明通过U型上卡槽和第一锁扣组件将导线进行固定，防止导线因电力维护人员的误动而摆动，其次通过U型下卡槽和第二锁扣组件将整个导线固定装置固定在横担上，最后通过绝缘支柱对导线进行支撑和绝缘，避免发生电流回地引起安全事故。
The invention relates to a wire fixing device for live replacement of post insulators, which comprises a U-shaped upper clamping slot, an insulating post and a U-shaped lower clamping slot; , a first lock assembly is movably installed on the first side wall of the U-shaped upper card slot; the first side wall of the U-shaped lower card slot is connected to the bottom end of the insulating pillar through a second connecting piece, A second lock assembly is provided on the second side wall. In the present invention, the wire is fixed through the U-shaped upper card slot and the first lock assembly to prevent the wire from swinging due to the misoperation of the power maintenance personnel, and secondly, the entire wire fixing device is fixed through the U-shaped lower card slot and the second lock assembly. On the cross arm, the wires are finally supported and insulated by insulating struts to avoid safety accidents caused by current returning to the ground.
Description
Technical Field
The invention belongs to the field of electric equipment manufacturing industry, and particularly relates to a wire fixing device for replacing a post insulator in a live-line manner.
Background
Post insulators are a special insulating control that acts to support the conductor and prevent current from flowing back to ground in the overhead distribution line. However, after the post insulator is used for a long time, the post insulator cracks, and the like, so that the performance of the post insulator is gradually deteriorated and loses the function, and the service life of the whole line can be seriously damaged.
In order to ensure that the normal operation of the whole line is not affected when the post insulator is replaced, the power maintenance personnel usually replace the post insulator in a live manner. The existing modes for replacing the post insulator in an electrified way have two types, respectively: the method has the advantages that firstly, the wire of the post insulator to be replaced is directly placed on the cross arm which is subjected to insulation shielding, the method has the defects that the workload is large when the cross arm and the electric pole are subjected to insulation shielding, the wire cannot be fixed, and if a power maintainer mistakenly operates the wire during operation, the wire swings, and safety accidents are easy to happen; the second mode is to adopt the suspension arm of the insulation vehicle to hang the wire, and the defects of the mode are that the operation time is longer, the stress of the suspension arm is limited, the wire with larger span can not be used, and the requirement of safe distance can not be met when the double-loop insulation vehicle is used for replacing the post insulator, which is the defect of the prior art.
In view of the above, the present invention provides a wire fixing device for replacing a post insulator in a live-line manner; it is very necessary to solve the above-mentioned defects existing in the prior art.
Disclosure of Invention
The invention aims to provide a wire fixing device for replacing a post insulator in a live mode, aiming at the defect that the post insulator cannot be safely and effectively replaced in a short time in the prior art, and the wire fixing device is used for solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a wire fixing device for replacing a post insulator in a live mode comprises a U-shaped upper clamping groove, an insulating post and a U-shaped lower clamping groove; one end of the U-shaped upper clamping groove, which is far away from the opening, is connected to the top end of the insulating post through a first connecting piece, and a first locking component is movably mounted on a first side wall of the U-shaped upper clamping groove and used for fixing a wire of the post insulator to be replaced; the first side wall of the U-shaped lower clamping groove is connected to the bottom end of the insulating support column through a second connecting piece, a second locking assembly is arranged on a second side wall, deviating from the first side wall, of the U-shaped lower clamping groove, and the second locking assembly is used for fixing the whole wire fixing device on the cross arm.
Preferably, the first locking assembly comprises a spring, a first nut, a second nut and a first screw with a first handle;
the second nut is fixedly arranged on the inner wall of the second side wall of the U-shaped upper clamping groove, a first through hole is formed in the first side wall of the U-shaped upper clamping groove, and the center position of the second nut and the center position of the first through hole are located on the same horizontal line;
the first handle is axially and fixedly arranged on the first screw rod, and one end of the first screw rod, which is far away from the first handle, sequentially penetrates through the first nut and the first through hole and is movably connected with the second nut;
the spring symmetry sets up in the both sides of first screw rod, and on the first end of spring was connected to the first in command, the second end of spring was connected to the first lateral wall of draw-in groove on the U type, is convenient for fix the wire of waiting to change post insulator in the draw-in groove on the U type, prevents that the wire from taking place the swing and causing the incident.
Preferably, the second locking assembly comprises a third nut and a second screw;
the one end axial fixity of second screw rod installs the second handle, is provided with the second through-hole under the U type on the second lateral wall of draw-in groove, and the one end from bottom to top that the second screw rod deviates from the second handle has third nut and second through-hole of through connection in proper order, is convenient for fix whole wire fixing device on the cross arm, prevents that the wire from taking place the swing.
Preferably, first connecting piece includes first bolt, and draw-in groove is through the top threaded connection of first bolt and insulating pillar on the U type, and is easy and simple to handle, and is convenient for change draw-in groove or insulating pillar on the U type of damage.
Preferably, the second connecting piece includes the second bolt, and draw-in groove passes through the bottom threaded connection of second bolt and insulating pillar under the U type, and is easy and simple to handle, and is convenient for change draw-in groove or insulating pillar under the U type of damage.
Preferably, the U-shaped upper clamping groove and the U-shaped lower clamping groove are made of aluminum alloy materials, so that the bearing capacity is large, and the cost is saved.
Preferably, the U-shaped upper clamping groove and the U-shaped lower clamping groove are coated with insulating paint layers, and on the basis of the insulating support, secondary insulation is further performed, so that the insulation grade is enhanced, and the personal safety of power maintenance personnel is protected.
Preferably, the insulating support is a composite support insulator, and the composite support insulator can not only support the lead but also prevent the current from flowing back to the ground.
The invention has the beneficial effects that firstly, the wire of the post insulator to be replaced is fixed through the U-shaped upper clamping groove and the first locking component, so that the swinging caused by misoperation of power maintenance personnel is prevented, and the occurrence of safety accidents is avoided; secondly, the whole lead fixing device is fixed on the cross arm through the U-shaped lower clamping groove and the second locking component, and finally, the lead of the post insulator to be replaced is supported and insulated through the insulating post, so that safety accidents caused by current flowing back to the ground are avoided.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic structural view of a lead fixing device.
Fig. 2 is a top view of the first latch assembly.
Figure 3 is a left side view of the second latch assembly.
The locking device comprises a U-shaped upper clamping groove 1, a U-shaped upper clamping groove 11, a U-shaped upper clamping groove second side wall 12, an insulating strut 2, a U-shaped lower clamping groove 3, a U-shaped lower clamping groove 31, a U-shaped lower clamping groove second side wall 32, a U-shaped lower clamping groove second side wall 4, a first connecting piece 5, a first locking component 5, a spring 51, a first nut 52, a second nut 53, a first screw 54, a first handle 55, a second connecting piece 6, a second locking component 7, a third nut 71, a second screw 72 and a second handle 73.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1 and 2, the present invention provides a wire fixing device for replacing a post insulator in a live line, which includes a U-shaped upper slot 1, an insulating post 2 and a U-shaped lower slot 3; the insulating support 2 adopts a composite support insulator which can not only support a lead, but also prevent current from flowing back to the ground; the U-shaped upper clamping groove 1 and the U-shaped lower clamping groove 3 are both made of aluminum alloy materials, so that the bearing capacity is large, and the cost is saved; and an insulating paint layer is coated on the U-shaped upper clamping groove 1 and the U-shaped lower clamping groove 3, and the insulating paint layer is secondarily insulated on the basis of the insulating support 2, so that the insulation grade is enhanced, and the personal safety of electric power maintenance personnel is protected.
One end, deviating from the opening, of the U-shaped upper clamping groove 1 is connected to the top end of the insulating support column 2 through the first connecting piece 4, a first locking component 5 is movably mounted on a first side wall 11 of the U-shaped upper clamping groove, and the first locking component 5 is used for fixing a wire to be replaced with a support column insulator.
The first connecting piece 4 comprises a first bolt, the U-shaped upper clamping groove 1 is in threaded connection with the top end of the insulating strut 2 through the first bolt, the operation is simple and convenient, and the damaged U-shaped upper clamping groove 1 or the damaged insulating strut 2 is convenient to replace; after the tightness of the first bolt is adjusted, the U-shaped upper clamping groove 1 can rotate relative to the first bolt as required; because the environment of setting up of distribution lines is relatively complicated, wherein, distribution lines has the situation of corner, consequently with fixing device according to the needs of distribution lines corner, draw-in groove 1 in the rotatory U type when changing post insulator with electricity.
The first locking component 5 comprises a spring 51, a first nut 52, a second nut 53 and a first screw 54 with a first handle 55; the second nut 53 is fixedly arranged on the inner wall of the second side wall 12 of the U-shaped upper clamping groove, a first through hole is formed in the first side wall 11 of the U-shaped upper clamping groove, and the central position of the second nut 53 and the central position of the first through hole are located on the same horizontal line; the first handle 55 is axially and fixedly arranged on the first screw rod 54, and one end of the first screw rod 54 departing from the first handle 55 sequentially penetrates through the first nut 52 and the first through hole and is movably connected with the second nut 53; the springs 51 are symmetrically arranged on two sides of the first screw rod 54, a first end of each spring 51 is connected to the first handle 55, and a second end of each spring 55 is connected to the first side wall 11 of the U-shaped upper clamping groove, so that a lead of a post insulator to be replaced is conveniently fixed in the U-shaped upper clamping groove 1, and safety accidents caused by swinging of the lead are prevented.
The first side wall 31 of the U-shaped lower clamping groove is connected to the bottom end of the insulating strut 2 through a second connecting piece 6, a second locking component 7 is arranged on the second side wall of the U-shaped lower clamping groove 3 departing from the first side wall, and the second locking component 7 is used for fixing the whole wire fixing device on the cross arm.
Second connecting piece 6 includes the second bolt, and draw-in groove 3 passes through the bottom threaded connection of second bolt and insulating pillar 2 under the U type, and is easy and simple to handle, and is convenient for change draw-in groove 3 or insulating pillar 2 under the U type of damage.
As shown in fig. 3, the second locking assembly 7 includes a third nut 71 and a second screw 72; second screw rod 72 and third nut 71 all are provided with a plurality of, and the one end axial fixity of second screw rod 72 installs second handle 73, is provided with a plurality of second through-hole under the U type on the second lateral wall 32 of draw-in groove, and second screw rod 72 deviates from the one end from second handle 73 from bottom to top in proper order through connection have third nut 71 and second through-hole, are convenient for fix whole wire fixing device on the cross arm, prevent that the wire from taking place the swing.
The first handle 55 and the second handle 73 are both circular rings, the first handle 55 is welded on the first screw rod 54, the second handle 73 is welded on the second screw rod 72, the first screw rod 54 and the second screw rod 72 can be conveniently adjusted, and the working time is saved.
The working process of the invention is as follows: clamping the U-shaped lower clamping groove 3 on the cross arm, moving a second screw 72 to the first side wall 31 of the U-shaped lower clamping groove by screwing a second handle 73, fixing the second screw 72 through a third nut 71, and further fixing the U-shaped lower clamping groove 3 on the cross arm; the insulated and shielded wire is moved into the U-shaped upper clamping groove 1, the first screw 54 is moved to the second nut 53 by screwing the first handle 55, the first screw 54 is in threaded connection with the second nut 53, the wire is fixed in the U-shaped upper clamping groove 1, and safety accidents caused by swinging of the wire are avoided.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110786789.8A CN113555172A (en) | 2021-07-12 | 2021-07-12 | A wire fixing device for live replacement of post insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110786789.8A CN113555172A (en) | 2021-07-12 | 2021-07-12 | A wire fixing device for live replacement of post insulators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113555172A true CN113555172A (en) | 2021-10-26 |
Family
ID=78131609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110786789.8A Pending CN113555172A (en) | 2021-07-12 | 2021-07-12 | A wire fixing device for live replacement of post insulators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113555172A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715816A (en) * | 1993-06-29 | 1995-01-17 | Yasuda Seisakusho Co Ltd | Electric-wire temporarily support for hot-line work |
| CN201181826Y (en) * | 2008-04-24 | 2009-01-14 | 张洋 | 10KV overhead conductor insulation support fixer |
| CN103944126A (en) * | 2014-05-06 | 2014-07-23 | 重庆恒泰线缆（集团）有限公司 | Cable fixing device |
| CN104917097A (en) * | 2015-05-28 | 2015-09-16 | 国家电网公司 | Conductor lifter |
| CN105337217A (en) * | 2015-11-26 | 2016-02-17 | 国网河南省电力公司检修公司 | Electrified replacing tool and method for extra-high-voltage grounding electrode line insulator |
| CN205195145U (en) * | 2015-11-18 | 2016-04-27 | 国网新疆电力公司哈密供电公司 | Support is changed to insulator |
| CN106300134A (en) * | 2016-09-22 | 2017-01-04 | 国家电网公司 | The instrument of wire is fixed when charged for replacement 10kV distribution line needle porcelain bottle |
| CN206323080U (en) * | 2017-01-12 | 2017-07-11 | 扬州飞鸿电材有限公司 | Fastening clip for cable |
| CN206471747U (en) * | 2017-02-16 | 2017-09-05 | 国网福建省电力有限公司 | It is a kind of can charged for replacement insulator arrangement |
| CN109449780A (en) * | 2018-12-31 | 2019-03-08 | 天津市鸿远电气股份有限公司 | A kind of irrigation land used power distribution cabinet |
| CN209929847U (en) * | 2019-05-21 | 2020-01-10 | 杨晓 | Electric power fortune dimension circuit overhauls end of a thread fixing device |
| CN213027207U (en) * | 2020-09-25 | 2021-04-20 | 赖仕洪 | Power line repair tools |
-
2021
- 2021-07-12 CN CN202110786789.8A patent/CN113555172A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715816A (en) * | 1993-06-29 | 1995-01-17 | Yasuda Seisakusho Co Ltd | Electric-wire temporarily support for hot-line work |
| CN201181826Y (en) * | 2008-04-24 | 2009-01-14 | 张洋 | 10KV overhead conductor insulation support fixer |
| CN103944126A (en) * | 2014-05-06 | 2014-07-23 | 重庆恒泰线缆（集团）有限公司 | Cable fixing device |
| CN104917097A (en) * | 2015-05-28 | 2015-09-16 | 国家电网公司 | Conductor lifter |
| CN205195145U (en) * | 2015-11-18 | 2016-04-27 | 国网新疆电力公司哈密供电公司 | Support is changed to insulator |
| CN105337217A (en) * | 2015-11-26 | 2016-02-17 | 国网河南省电力公司检修公司 | Electrified replacing tool and method for extra-high-voltage grounding electrode line insulator |
| CN106300134A (en) * | 2016-09-22 | 2017-01-04 | 国家电网公司 | The instrument of wire is fixed when charged for replacement 10kV distribution line needle porcelain bottle |
| CN206323080U (en) * | 2017-01-12 | 2017-07-11 | 扬州飞鸿电材有限公司 | Fastening clip for cable |
| CN206471747U (en) * | 2017-02-16 | 2017-09-05 | 国网福建省电力有限公司 | It is a kind of can charged for replacement insulator arrangement |
| CN109449780A (en) * | 2018-12-31 | 2019-03-08 | 天津市鸿远电气股份有限公司 | A kind of irrigation land used power distribution cabinet |
| CN209929847U (en) * | 2019-05-21 | 2020-01-10 | 杨晓 | Electric power fortune dimension circuit overhauls end of a thread fixing device |
| CN213027207U (en) * | 2020-09-25 | 2021-04-20 | 赖仕洪 | Power line repair tools |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106671829A (en) | Insulated combined-type support device for overhead lines | |
| WO2012088987A1 (en) | Maintenance tool for insulator of direct current transmission line | |
| CN103437586B (en) | Composite rotation cross-arm | |
| CN103326304B (en) | 10kV charged drainage wire supporting device | |
| CN206471747U (en) | It is a kind of can charged for replacement insulator arrangement | |
| CN112614675B (en) | Transformer valve sleeve insulating support and installation guide structure assembly and assembly method | |
| CN204435989U (en) | One ± 500kV direct current lines tangent tower arrester adds assembling structure | |
| CN113555172A (en) | A wire fixing device for live replacement of post insulators | |
| CN204258228U (en) | For the fixing gold utensil of line terminal and lead-in wire | |
| CN212626524U (en) | Power transformation framework | |
| CN205791238U (en) | A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire | |
| WO2022022385A1 (en) | Substation framework | |
| CN108512183B (en) | Bridge connection line structure for sleeve on converter transformer valve side of converter station | |
| CN203339640U (en) | 10kV charged drainage wire supporting device | |
| CN118712944A (en) | A medium-phase conductor bearing and fixing tool for non-stop operation of distribution network and operation method | |
| CN205544113U (en) | Cross arm for transmission tower | |
| CN115719672A (en) | Small-capacity intelligent oil-immersed transformer | |
| CN212626526U (en) | Power transformation framework | |
| CN216649068U (en) | Be applicable to and join in marriage fixed drainage device of net live working | |
| CN111864546B (en) | A substation architecture | |
| CN114446556A (en) | Framework type pillar composite insulator | |
| CN218347030U (en) | Prevent wind partially, prevent high tension overhead transmission line door type shaft tower that waves | |
| CN112096164A (en) | Special support for sharing tower and mounting method thereof | |
| CN111864543A (en) | an electrical structure | |
| CN209298858U (en) | ±1100KV DC line strain tower arrester device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211026 |
|
| RJ01 | Rejection of invention patent application after publication |