CN208225618U - A kind of composite insulator jumper suspension string - Google Patents

A kind of composite insulator jumper suspension string Download PDF

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Publication number
CN208225618U
CN208225618U CN201820765831.1U CN201820765831U CN208225618U CN 208225618 U CN208225618 U CN 208225618U CN 201820765831 U CN201820765831 U CN 201820765831U CN 208225618 U CN208225618 U CN 208225618U
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China
Prior art keywords
composite insulator
string
insulator string
arcing horn
arc
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CN201820765831.1U
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Chinese (zh)
Inventor
张静华
沈啸峰
王银春
刘成
朱路
沈志江
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Jiangsu Shuanghui Power Development Co Ltd
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Jiangsu Shuanghui Power Development Co Ltd
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Abstract

The utility model discloses a kind of composite insulator jumper suspension strings.The composite insulator jumper suspension string belongs to Lightning Protection on Power Transmission Lines technical field, it is poor to solve composite suspension insulator string equalizing effect in the prior art, the problem for inhibiting corona ability weak, including composite insulator string, jumper clamp and the parallel connection gaps structure that parallel connection gaps are formed set on composite insulator string both ends, parallel connection gaps structure side is equipped with the jumper clamp being fixedly connected with composite insulator string end, parallel connection gaps structure includes the lower arcing horn electrode assemblies set on the upper arcing horn electrode assemblies of composite insulator string low-pressure end and set on the composite insulator string high-voltage end.Upper and lower arcing horn electrode assemblies are all made of the annulus with opening in the utility model, keep the voltage's distribiuting on composite insulator string gentle, enhance pressure effect, utilize corona ring, the generation for inhibiting corona promotes whole property easy to install and disassemble by setting mounting plate and mounting structure.

Description

A kind of composite insulator jumper suspension string
Technical field
The utility model belongs to Lightning Protection on Power Transmission Lines technical field, specifically, more particularly to a kind of compound inslation Sub- jumper suspension string.
Background technique
Composite insulator string is a very important equipment in transmission line of electricity, and thunder and lightning causes insulator chain flashover to generate Power frequency arc can burn, damage the surface insulation layer of insulator chain, serious situation possibly even causes insulator chain to occur It is broken, falls string, significantly impact the safe operation of transmission line of electricity, therefore, because overhead transmission line failure caused by lightning stroke is One of major failure of overhead transmission line.Existing Lightning Protection on Power Transmission Lines measure mainly uses " blocking type " protection side Formula, but since lightning stroke randomness is high, there are biggish technical problems, therefore propose " leading-type " lightning protection measures, i.e., in transmission line of electricity Parallel connection gaps are installed on insulator chain.
Parallel connection clearance device currently on the market mostly uses greatly stick electrode, though it can play the role of dredging electric arc, But it can not accomplish the effect of equalizing voltage, and the Problems of The Electric Field of composite insulator string is mainly its Analysis of End Electric Field, on fitting Electric field strength is larger, when being air-dried, corona phenomenon is likely to occur on fitting, lacks energy on most composite insulator string Enough reduce the device of the electric field strength of hardware end.
Utility model content
The purpose of the utility model is to provide a kind of equalizing effects, and composite insulator wire jumper that is good, inhibiting corona ability strong is outstanding Hang down string.
In order to achieve the above technical purposes, the technical solution that the utility model composite insulator jumper suspension string uses are as follows:
A kind of composite insulator jumper suspension string, including composite insulator string, jumper clamp and be set to composite insulator String both ends form the parallel connection gaps structure of parallel connection gaps, and parallel connection gaps structure side is equipped with solid with composite insulator string end Surely the jumper clamp connected, the parallel connection gaps structure include the upper arcing horn electrode set on the composite insulator string low-pressure end Assembly and lower arcing horn electrode assemblies set on the composite insulator string high-voltage end;The upper arcing horn electrode assemblies include upper Arcing horn, support frame and the mounting plate by the connection of upper arcing horn on the support frame, composite insulator string low-pressure end are equipped with and are used for The fixed plate of fixing support rack, support frame as described above are fixed in fixed plate by the first fastener, and described upper arcing horn one end is enclosed It is arranged around composite insulator string periphery, the other end is connected with mounting plate, and the mounting plate offers to be installed convenient for the first fastener Mounting hole, the first fastener sequentially passes through mounting plate, fixed plate, support frame and mounting plate and fixed plate, support frame fixed one Body;The lower arcing horn electrode assemblies include lower arcing horn, corona ring and are connected to lower arcing horn and corona ring described multiple The mounting structure on insulator chain is closed, one end of the lower arcing horn is arranged around composite insulator string periphery, the other end and peace Assembling structure is affixed, and one end of the corona ring is arranged around composite insulator string periphery, and the other end is affixed with mounting structure, described Mounting structure can releasably be mounted on composite insulator string high-voltage end.Upper arcing horn electrode assemblies and lower trick in the utility model Arc angle electrode assemblies are all made of the annulus with opening, keep the voltage's distribiuting on composite insulator string gentle, enhance pressure effect, Whole maximum field intensity is enabled to be averaged bloom field strength hereinafter, improving the insulating capacity of composite insulator string in air;Also, Corona ring is set in downward arcing horn electrode assemblies, forms uniform electric field, inhibits the generation of corona, to being installed on composite insulator The cable of string end is protected, and is prolonged its service life;Meanwhile by the way that mounting plate is arranged in upper arcing horn electrode assemblies, The convenience that arcing horn is installed in promotion makes lower arcing horn and electricity by the way that mounting structure is arranged in lower arcing horn electrode assemblies The synchronous installation of halo, improves the convenience of installing and dismounting.
Preferably, the composite insulator string is mutually socketed to form by multiple insulators.
Preferably, the upper arcing horn includes the L shape pitman affixed with mounting plate, further includes around described compound exhausted The upper body of edge substring periphery, the L shape pitman are arranged in the middle part of upper body.
Preferably, the upper body cross section is tennis-racket-shaped.Tennis-racket-shaped is set by upper body, makes its balanced electricity Pressure.
Preferably, the lower arcing horn includes the first arc stick affixed with mounting structure, further includes around described multiple The lower body of insulator chain periphery is closed, the first arc stick is arranged in the middle part of lower body.
Preferably, the lower body cross section is tennis-racket-shaped.Tennis-racket-shaped is set by lower body, makes its balanced electricity Pressure.
Preferably, the corona ring includes the second arc stick affixed with mounting structure, further includes connecting with the second arc stick It connects and around the torus of the composite insulator string periphery.Using torus, uniform electric field is formed, the production of corona is inhibited It is raw.
Preferably, the mounting structure includes symmetrically arranged first arc ring and the second arc ring, first arc The outer surface of ring and the first arc stick are affixed, and the inner surface and composite insulator string of the first arc ring contact with pressure, and described second The outer surface of arc ring and the second arc stick are affixed, and the inner surface and composite insulator string of the second arc ring contact with pressure, described First arc ring and the second arc ring two sides are respectively equipped with the first engaging lug and the second engaging lug.Pass through the first arc ring and second The structure that arc ring is connected promotes whole working efficiency, enhancing installation so that lower arcing horn and corona ring be enabled to install respectively The convenience of disassembly.
Preferably, it is fixedly connected between first engaging lug and the second engaging lug by the second fastener.
Compared with prior art, the utility model has the beneficial effects that:
1. upper arcing horn electrode assemblies and lower arcing horn electrode assemblies are all made of the annulus with opening in the utility model, make Voltage's distribiuting on composite insulator string is gentle, enhances pressure effect, whole maximum field intensity is enabled averagely to rise in air It has stage fright strong hereinafter, improving the insulating capacity of composite insulator string;
2. corona ring is arranged in the downward arcing horn electrode assemblies of the utility model, uniform electric field is formed, the production of corona is inhibited It is raw, the cable for being installed on composite insulator string end is protected, is prolonged its service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of arcing horn electrode assemblies on the utility model;
Fig. 3 is the structural schematic diagram of arcing horn electrode assemblies under the utility model.
In figure: 1 composite insulator string;2 jumper clamps;Arcing horn electrode assemblies on 3;4 lower arcing horn electrode assemblies;On 5 Arcing horn;51L shape pitman;52 upper bodies;6 support frames;7 mounting plates;8 lower arcing horns;81 first arc sticks;82 lower bodies;9 Corona ring;91 second arc sticks;92 torus;10 mounting structures;11 first arc rings;12 second arc rings;13 first connections Ear;14 second engaging lugs;15 fixed plates;16 first fasteners, 17 second fasteners.
Specific embodiment
With reference to embodiment, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for Bright the utility model rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art Member falls within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1-3, a kind of composite insulator jumper suspension string, including composite insulator string 1, jumper clamp 2 and The parallel connection gaps structure of parallel connection gaps is formed set on 1 both ends of composite insulator string, composite insulator string 1 is mutual by multiple insulators It is socketed to form, parallel connection gaps structure side is equipped with the jumper clamp 2 being fixedly connected with 1 end of composite insulator string, parallel connection gaps Structure includes set on the upper arcing horn electrode assemblies 3 of 1 low-pressure end of composite insulator string and set on 1 high-voltage end of composite insulator string Lower arcing horn electrode assemblies 4;Upper arcing horn electrode assemblies 3 include upper arcing horn 5, support frame 6 and are connected to upper arcing horn 5 Mounting plate 7 on support frame 6,1 low-pressure end of composite insulator string are equipped with the fixed plate 15 for fixing support rack 6, and support frame 6 is logical It crosses the first fastener 16 to be fixed in fixed plate 15, upper 5 one end of arcing horn is arranged around 1 periphery of composite insulator string, the other end It is connected with mounting plate 7, mounting plate 7 offers the mounting hole installed convenient for the first fastener 16, and the first fastener 16 sequentially passes through Mounting plate 7 and fixed plate 15, support frame 6 are fixed as one by mounting plate 7, fixed plate 15, support frame 6, and upper arcing horn 5 includes and peace The affixed L shape pitman 51 of loading board 7, further includes the upper body 52 around 1 periphery of composite insulator string, and upper body 52 is horizontal Section is tennis-racket-shaped, and the setting of L shape pitman 51 is at 52 middle part of upper body;Lower arcing horn electrode assemblies 4 include lower arcing horn 8, Corona ring 9 and lower arcing horn 8 and corona ring 9 are connected to the mounting structure 10 on composite insulator string 1, lower arcing horn 8 One end is arranged around 1 periphery of composite insulator string, and the other end and mounting structure 10 are affixed, and one end of corona ring 9 is around compound exhausted The setting of 1 periphery of edge substring, the other end and mounting structure 10 are affixed, and mounting structure 10 can releasably be mounted on composite insulator string 1 high-voltage end;Lower arcing horn 8 includes the first arc stick 81 affixed with mounting structure 10, further includes around the compound inslation The lower body 82 of 1 periphery of substring, 82 cross section of lower body are tennis-racket-shaped, and the setting of the first arc stick 81 is at 82 middle part of lower body; Corona ring 9 includes the second arc stick 91 affixed with mounting structure 10, further includes connecting with the second arc stick 91 and around again Close the torus 92 of 1 periphery of insulator chain;Mounting structure 10 includes symmetrically arranged first arc ring 11 and the second arc ring 12, The outer surface of first arc ring 11 and the first arc stick 81 are affixed, and the inner surface and composite insulator string 1 of the first arc ring 11 are pressed Power contact, the outer surface of the second arc ring 12 and the second arc stick 91 are affixed, the inner surface and compound inslation of the second arc ring 12 Substring 1 contacts with pressure, and the first arc ring 11 and 12 two sides of the second arc ring are respectively equipped with the first engaging lug 13 and the second engaging lug 14, it is fixedly connected between the first engaging lug 13 and the second engaging lug 14 by the second fastener 17.
The specific work process and principle of the utility model: when installation, support frame 6 is set with 1 low-pressure end of composite insulator string The fixed plate 15 set is fixedly connected by the first fastener 16, then by the upper body 52 of upper arcing horn 5 around compound inslation The periphery of substring 1 sequentially passes through mounting plate 7 by the first fastener 16, fixes since mounting plate 7 and L shape pitman 51 is affixed Mounting plate 7 and fixed plate 15, support frame 6 are fixed as one by plate 15, support frame 6, are equivalent to arcing horn 5 and composite insulator string 1, support frame 6 is fixed as one, meanwhile, by the lower body 82 of lower arcing horn 8 around the periphery of composite insulator string 1, corona ring 9 Torus 92 also around in the periphery of composite insulator string 1, due to the first arc stick 81 and mounting structure 10 of lower arcing horn 8 The first arc ring 11 it is fixed, the second arc ring 12 of the second arc stick 91 and mounting structure 10 of corona ring 9 is fixed, at this point, Only the first engaging lug 13 and the second engaging lug 14 need to be installed by the second fastener 17 and is locked, so that the first arc ring 11 and the Two arc rings 12 are fitted and fixed in 1 end of composite insulator string, so that lower arcing horn 8 and 9 position of corona ring be enabled to be fixed;When When thunder and lightning strikes composite insulator string 1, the upper body 52 of upper arcing horn 5 and the lower body 82 of lower arcing horn 8 attract rapidly electricity Arc guides electric arc into ground, makes parallel connection gaps that can discharge prior to composite insulator string 1 under lightning impulse overvoltage, thus Composite insulator string 1 and conducting wire are protected, on the other hand, when lightning stroke flashover, electric discharge originates in the upper arcing horn 5 in gap, It terminates at lower arcing horn 8 or starts from the lower arcing horn 8 in gap, terminate at arcing horn 5, so that it is guaranteed that electric arc does not contact, keep away Exempt to damage 1 surface of composite insulator string;When disassembly, it is only necessary to unscrew the first fastener 16 and the second fastener 17 Upper arcing horn electrode assemblies 3 and lower arcing horn electrode assemblies 4 are disassembled from composite insulator string 1.
Upper arcing horn electrode assemblies 3 and lower arcing horn electrode assemblies 4 are all made of the annulus with opening in the utility model, make Voltage's distribiuting on composite insulator string 1 is gentle, enhances pressure effect;Using corona ring 9, uniform electric field is formed, inhibits electricity Dizzy generation;By the way that mounting plate 7, the convenience that arcing horn 5 is installed in promotion, while consolidating convenient for upper 5 position of arcing horn is arranged It is fixed, and by setting mounting structure 10, make the installation synchronous with corona ring 9 of lower arcing horn 8, improves the convenience of dismounting and change Property.

Claims (9)

1. a kind of composite insulator jumper suspension string, including composite insulator string, jumper clamp and it is set to composite insulator string Both ends form the parallel connection gaps structure of parallel connection gaps, and parallel connection gaps structure side is equipped with and fixes with composite insulator string end The jumper clamp of connection, it is characterised in that: the parallel connection gaps structure includes set on the upper of the composite insulator string low-pressure end Arcing horn electrode assemblies and lower arcing horn electrode assemblies set on the composite insulator string high-voltage end;The upper arcing horn electrode Assembly includes upper arcing horn, support frame and the mounting plate by the connection of upper arcing horn on the support frame, composite insulator string low pressure End is equipped with the fixed plate for fixing support rack, and support frame as described above is fixed in fixed plate by the first fastener, the upper trick Arc angle one end is arranged around composite insulator string periphery, and the other end is connected with mounting plate, and the mounting plate offers convenient for first The mounting hole that fastener installs, the first fastener sequentially pass through mounting plate, fixed plate, support frame for mounting plate and fixed plate, branch Support is fixed as one;The lower arcing horn electrode assemblies include lower arcing horn, corona ring and connect lower arcing horn and corona ring The mounting structure on the composite insulator string is connect, one end of the lower arcing horn is arranged around composite insulator string periphery, The other end is affixed with mounting structure, and one end of the corona ring is arranged around composite insulator string periphery, and the other end and installation are tied Structure is affixed, and the mounting structure can releasably be mounted on composite insulator string high-voltage end.
2. composite insulator jumper suspension string according to claim 1, it is characterised in that: the composite insulator string is by multiple Insulator is mutually socketed to form.
3. composite insulator jumper suspension string according to claim 1, it is characterised in that: the upper arcing horn includes and installation The affixed L shape pitman of plate, further includes the upper body around the composite insulator string periphery, the L shape pitman setting In the middle part of upper body.
4. composite insulator jumper suspension string according to claim 3, it is characterised in that: the upper body cross section is tennis Clap shape.
5. composite insulator jumper suspension string according to claim 1, it is characterised in that: the lower arcing horn includes and installation The first affixed arc stick of structure further includes the lower body around the composite insulator string periphery, the first arc stick It is arranged in the middle part of lower body.
6. composite insulator jumper suspension string according to claim 5, it is characterised in that: the lower body cross section is tennis Clap shape.
7. composite insulator jumper suspension string according to claim 1, it is characterised in that: the corona ring includes tying with installation The second affixed arc stick of structure further includes connecting with the second arc stick and around the annulus of the composite insulator string periphery Body.
8. composite insulator jumper suspension string according to claim 7, it is characterised in that: the mounting structure includes symmetrically setting The the first arc ring and the second arc ring set, the outer surface of the first arc ring and the first arc stick are affixed, the first arc ring Inner surface and composite insulator string contact with pressure, the outer surface of the second arc ring and the second arc stick are affixed, the second arc The inner surface and composite insulator string of shape ring contact with pressure, and the first arc ring and the second arc ring two sides are respectively equipped with first Engaging lug and the second engaging lug.
9. according to composite insulator jumper suspension string described in claim 8, it is characterised in that: first engaging lug and the second connection It is fixedly connected between ear by the second fastener.
CN201820765831.1U 2018-05-22 2018-05-22 A kind of composite insulator jumper suspension string Active CN208225618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820765831.1U CN208225618U (en) 2018-05-22 2018-05-22 A kind of composite insulator jumper suspension string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820765831.1U CN208225618U (en) 2018-05-22 2018-05-22 A kind of composite insulator jumper suspension string

Publications (1)

Publication Number Publication Date
CN208225618U true CN208225618U (en) 2018-12-11

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ID=64509836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820765831.1U Active CN208225618U (en) 2018-05-22 2018-05-22 A kind of composite insulator jumper suspension string

Country Status (1)

Country Link
CN (1) CN208225618U (en)

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