CN109473245A - A kind of 20kV column support type arrester - Google Patents
A kind of 20kV column support type arrester Download PDFInfo
- Publication number
- CN109473245A CN109473245A CN201810846164.4A CN201810846164A CN109473245A CN 109473245 A CN109473245 A CN 109473245A CN 201810846164 A CN201810846164 A CN 201810846164A CN 109473245 A CN109473245 A CN 109473245A
- Authority
- CN
- China
- Prior art keywords
- connecting bracket
- fixed plate
- support type
- column support
- wire
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention relates to arrester fields, more particularly, to a kind of 20kV column support type arrester.A kind of 20kV column support type arrester, including lightning arrester body, connecting bracket is provided at the top of lightning arrester body, the two sides of connecting bracket are provided with termination, and two terminations are connected separately with overhead lead and cable, termination includes installation wire clamp, hookup wire folder includes clamp column and fixed plate, is provided with bolt hole in fixed plate, fixed plate is bolted in connecting bracket, clamp column is provided with wire inserting slot far from one end of fixed plate, is provided with earthing or grounding means in connecting bracket.Present invention installation is simple, insulator, arrester, ground loop are combined, a whole set of line facility is combined into, reduces and even prevents a possibility that overhead transmission line single-phase earthing occurs, line construction workload and maintenance work amoun are reduced simultaneously, save distribution line aisle space.
Description
Technical field
The present invention relates to arrester fields, more particularly, to a kind of 20kV column support type arrester.
Background technique
In transmission line of electricity, arrester is mounted on the cross-arm of transmission tower as important overvoltage protection, with
Line insulator is series-parallel, for limiting the thunder and lightning and switching overvoltage of transmission line of electricity, improves system reliability of operation.It is aerial
Arrester is most common a kind of lightning-protected product in distribution line, be mounted with equipment and cable fall fire rod-type, it is necessary to pacify
Arrester is filled, but in the place for having arrester, generally also there is column support type insulator and ground loop, so thus causing
Rod-type is more complex, and electrical bare spots are more, is easier to build nest on electric pole this results in birds, with the increasing of bird's nest quantity
More, the probability of overhead transmission line transient fault increases therewith；In the bad region in overhead transmission line channel, whenever there is violent storm arriving
When, instantaneous singlephase earth fault can occur often, be all that the exposed parts such as arrester or ground loop touch through making an inspection tour many situations
Cause to screen of trees etc..
Summary of the invention
For the present invention primarily directed to the above problem, it is simple to provide a kind of installation, combines insulator, arrester, ground loop
Together, it is combined into a whole set of line facility, reduces and even prevents a possibility that overhead transmission line single-phase earthing occurs, reduce simultaneously
Line construction workload and maintenance work amoun save the 20kV column support type arrester of distribution line aisle space.
The purpose of the present invention is mainly to be achieved by following proposal: a kind of 20kV column support type arrester, including is kept away
Thunder device ontology is provided with connecting bracket at the top of the lightning arrester body, and the two sides of the connecting bracket, which are provided with, to be connect
Line apparatus, two terminations are connected separately with overhead lead and cable, and the termination includes installation wire clamp, described
Hookup wire folder includes clamp column and fixed plate, and bolt hole is provided in the fixed plate, and the fixed plate is connected by bolt
It connects in connecting bracket, the clamp column is provided with the plug wire for connecting overhead lead or cable far from one end of fixed plate
Slot is provided with earthing or grounding means in the connecting bracket, and the bottom of the lightning arrester body is provided with for being fixed on cross-arm
On mounting bracket, the bottom of the lightning arrester body is connected with ground lead.Connection is provided at the top of lightning arrester body
Bracket, the two sides of connecting bracket are provided with termination, and two terminations are connected separately with overhead lead and cable, wiring
Device includes installation wire clamp, and hookup wire folder includes clamp column and fixed plate, is provided with bolt hole in fixed plate, fixed plate passes through spiral shell
Bolt is connected in connecting bracket, and clamp column is provided with the plug wire for connecting overhead lead or cable far from one end of fixed plate
One end of overhead lead specifically when installation, is inserted in one of in the wire inserting slot of installation wire clamp and is crimped, then will fixed by slot
The side for being fixed on connecting bracket is bolted in plate, then one end of cable is inserted into the wire inserting slot of another installation wire clamp
And crimp, then fixed plate is bolted to the other side for being fixed on connecting bracket, so that the electric current on overhead lead can
To be transferred on cable by connecting bracket, earthing or grounding means is provided in connecting bracket, when overhauling construction, earthing or grounding means is available
In electrical verification and temporary earthing device, the bottom of lightning arrester body is provided with the mounting bracket for being fixed on cross-arm, arrester
The bottom of ontology is connected with ground lead, when overhead transmission line is by being struck by lightning, can pass through lightning arrester body and ground lead will be electric
Stream access the earth, prevents from damaging overhead transmission line.
Preferably, being symmetrically arranged with elastic clamping block, the elastic clamping block on two sidewalls inside the wire inserting slot
One end far from fixed plate is connected in plug wire groove sidewall, and the other end of the elastic clamping block inclines towards wire inserting slot axis direction
Tiltedly, it is fluted that elastic clamping block setting is corresponded on the side wall of the wire inserting slot.It is symmetrically arranged on two sidewalls inside wire inserting slot
Elastic clamping block, elastic clamping block are connected in plug wire groove sidewall far from one end of fixed plate, and the other end of elastic clamping block is towards wire inserting slot
Axis direction tilts, and it is fluted that elastic clamping block setting is corresponded on the side wall of wire inserting slot, so that when one end of overhead lead or cable
When being inserted into inside wire inserting slot, first elastic clamping block can be squeezed toward groove direction, so that overhead lead or cable are crimped and are fixed on
When inside wire inserting slot, the elastic clamping block on two sidewalls can be to one clamping force of overhead lead or cable, so that overhead lead or electricity
Cable is not easily disconnected from wire inserting slot.
Preferably, the earthing or grounding means includes insulating coating, the insulating coating internal slide is connected with
Earth brace is interference fit between the insulating coating and earth brace, is arranged inside the insulating coating around earth brace
There is lifting chamber, one end of the earth brace is arranged in connecting bracket.Earthing or grounding means includes insulating coating, inside insulating coating
It is slidably connected and is provided with earth brace, be interference fit between insulating coating and earth brace, set inside insulating coating around earth brace
It is equipped with lifting chamber, one end of earth brace is arranged in connecting bracket, and insulating coating shrouds earth brace under normal condition, reduces
The bare spots of earth brace, it is when maintenance construction needs electrical verification or ground connection, insulating coating is mobile toward separate connecting bracket direction,
So that earth brace exposes, a series of inspection operations then can be carried out.
Preferably, the earth brace is provided with anti-detachment ring, the anti-detachment ring far from one end of connecting bracket
Top be provided with card ball, the top of the lifting chamber corresponds to card ball and is provided with card ball groove.Earth brace is far from connecting bracket
One end is provided with anti-detachment ring, and card ball is provided at the top of anti-detachment ring, and the top for going up and down chamber corresponds to card ball and is provided with card ball groove,
Anti-detachment ring can prevent insulating coating to be detached from earth brace, when not needing operational grounding bar, by insulating coating toward close to connection
Holder orientation is mobile, until insulating coating can just cover earth brace, reduce the naked of earth brace when in card ball insertion card ball groove
Dew point, while convenient staff operates.
Preferably, being provided with handle hole at the top of the insulating coating.Handle hole is provided at the top of insulating coating,
It is more convenient that staff moves insulating coating by handle hole.
Preferably, the card ball is made of elastic material.Card ball is made of elastic material, convenient for insertion or is detached from card
Ball groove.
Preferably, being provided with shield in the connecting bracket.Shield, shield energy are provided in connecting bracket
The connecting component in connecting bracket is enough effectively protected, plays sun-proof effect of keeping off the rain, reduces equipment bare spots, improves
The service life of device.
Therefore, a kind of 20kV column support type arrester of the invention has following advantages: present invention installation is simple, will insulate
Son, arrester, ground loop are combined, and are combined into a whole set of line facility, it is single-phase that reduction even prevents generation overhead transmission line
A possibility that ground connection, while line construction workload and maintenance work amoun are reduced, distribution line aisle space is saved, it is not only excellent
Rod type device is changed, has reduced equipment bare spots, the probability of birds nest on bar is also greatly lowered, promotes the reliable for operation of distribution
Property, the design of termination is so that the connection of route more fast consolidates.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the invention.
Attached drawing 2 is the structure sectional view of earthing or grounding means in the present invention.
Attached drawing 3 is the structural representation front view that wire clamp is installed in the present invention.
Attached drawing 4 is the structural representation left view that wire clamp is installed in the present invention.
It illustrates: 1- overhead lead, 2- installation wire clamp, 3- shield, 4- earthing or grounding means, 5- cable, 6- connecting bracket,
7- lightning arrester body, 8- mounting bracket, 9- ground lead, 10- card ball groove, 11- card ball, the anti-detachment ring of 12-, 13- handle hole,
14- insulating coating, 15- go up and down chamber, 16- earth brace, 17- clamp column, 18- bolt hole, 19- fixed plate, 20- elastic clamping block, 21-
Wire inserting slot, 22- groove.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1,2,3, 4, a kind of 20kV column support type arrester, including lightning arrester body 7, the top of lightning arrester body 7 are set
It is equipped with connecting bracket 6, shield 3 is provided in connecting bracket 6, the connection in connecting bracket 6 can be effectively protected in shield 3
Component plays sun-proof effect of keeping off the rain, and reduces equipment bare spots, improves the service life of device, and the two of connecting bracket 6
Side is provided with termination, and two terminations are connected separately with overhead lead 1 and cable 5, and termination includes hookup wire
Folder 2, installation wire clamp 2 include clamp column 17 and fixed plate 19, are provided with bolt hole 18 in fixed plate 19, fixed plate 19 passes through bolt
It is connected in connecting bracket 6, clamp column 17 is provided with far from one end of fixed plate 19 for connecting overhead lead 1 or cable 5
One end of overhead lead 1 specifically when installation, is inserted in one of in the wire inserting slot 21 of installation wire clamp 2 and is crimped by wire inserting slot 21,
Then fixed plate 19 is bolted to the side for being fixed on connecting bracket 6, then another installation is inserted into one end of cable 5
It in the wire inserting slot 21 of wire clamp 2 and crimps, then fixed plate is bolted to the other side for being fixed on connecting bracket 6, so that
Electric current on overhead lead 1 can be transferred on cable 5 by connecting bracket 6, symmetrically be set on the two sidewalls inside wire inserting slot 21
Be equipped with elastic clamping block 20, elastic clamping block 20 is connected on 21 side wall of wire inserting slot far from one end of fixed plate, elastic clamping block 20 it is another
One end is tilted towards 21 axis direction of wire inserting slot, is corresponded to elastic clamping block 20 on the side wall of wire inserting slot 21 and is arranged fluted 22, so that working as
When 21 inside of wire inserting slot is inserted into one end of overhead lead 1 or cable 5, first elastic clamping block 20 can be squeezed toward 22 direction of groove, made
It obtains overhead lead 1 or cable 5 is crimped when being fixed on 21 inside of wire inserting slot, the elastic clamping block 20 on two sidewalls can be to overhead lead
1 or 5 one clamping forces of cable so that overhead lead 1 or cable 5 are not easily disconnected from wire inserting slot 21 ground connection is provided in connecting bracket 6
Device 4, when overhauling construction, earthing or grounding means 4 can be used for electrical verification and temporary earthing device 4, and earthing or grounding means 4 includes insulating coating
14,14 internal slide of insulating coating is connected with earth brace 16, is interference fit between insulating coating 14 and earth brace 16, absolutely
Earth brace 16 is provided with lifting chamber 15 inside edge housing 14, one end of earth brace 16 is arranged in connecting bracket 6, and insulation is outer
The top of set 14 is provided with handle hole 13, and it is more convenient that staff moves insulating coating 14 by handle hole 13, just
Insulating coating 14 shrouds earth brace 16 under normal state, reduces the bare spots of earth brace 16, when maintenance construct need electrical verification or
When person is grounded, by insulating coating 14 toward far from the movement of 6 direction of connecting bracket, so that earth brace 16 exposes, then it can carry out
A series of inspection operations, earth brace 16 are provided with anti-detachment ring 12 far from one end of connecting bracket 6, and the top of anti-detachment ring 12 is set
It is equipped with card ball 11, the top of lifting chamber 15 corresponds to card ball 11 and is provided with card ball groove 10, and anti-detachment ring 12 can prevent insulating coating
14 are detached from earth brace 16, when not needing operational grounding bar 16, insulating coating 14 is mobile toward close 6 direction of connecting bracket, directly
When being embedded in card ball groove 10 to card ball 11, insulating coating 14 can just cover earth brace 16, reduce the bare spots of earth brace 16,
Convenient staff operates simultaneously, and card ball 11 is made of elastic material, convenient for being embedded in or being detached from card ball groove 10, arrester
The bottom of ontology 7 is provided with the mounting bracket 8 for being fixed on cross-arm, and the bottom of lightning arrester body 7 is connected with ground lead
9, when overhead transmission line is by being struck by lightning, electric current can be accessed into the earth by lightning arrester body 7 and ground lead 9, prevented to aerial
Route damages.
It should be understood that being somebody's turn to do, examples are only for illustrating the present invention and not for limiting the scope of the present invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (7)
1. a kind of 20kV column support type arrester, which is characterized in that including lightning arrester body, set at the top of the lightning arrester body
It is equipped with connecting bracket, the two sides of the connecting bracket are provided with termination, and two terminations are connected separately with aerial
Lead and cable, the termination include installation wire clamp, and the hookup wire folder includes clamp column and fixed plate, described
Bolt hole is provided in fixed plate, the fixed plate is bolted in connecting bracket, and the clamp column is far from solid
One end of fixed board is provided with the wire inserting slot for connecting overhead lead or cable, and ground connection dress is provided in the connecting bracket
It sets, the bottom of the lightning arrester body is provided with the mounting bracket for being fixed on cross-arm, the lightning arrester body
Bottom is connected with ground lead.
2. a kind of 20kV column support type arrester according to claim 1, which is characterized in that two inside the wire inserting slot
Elastic clamping block is symmetrically arranged on side wall, the elastic clamping block is connected in plug wire groove sidewall far from one end of fixed plate, institute
The other end for the elastic clamping block stated is tilted towards wire inserting slot axis direction, and elastic clamping block setting is corresponded on the side wall of the wire inserting slot
It is fluted.
3. a kind of 20kV column support type arrester according to claim 1, which is characterized in that the earthing or grounding means includes exhausted
Edge housing, the insulating coating internal slide are connected with earth brace, were between the insulating coating and earth brace
It is full of cooperation, earth brace is provided with lifting chamber inside the insulating coating, one end setting of the earth brace is connecting
On bracket.
4. a kind of 20kV column support type arrester according to claim 3, which is characterized in that the earth brace is far from connection
One end of bracket is provided with anti-detachment ring, and card ball is provided at the top of the anti-detachment ring, and the top of the lifting chamber is right
Ying Kaqiu is provided with card ball groove.
5. a kind of 20kV column support type arrester according to claim 3 or 4, which is characterized in that the insulating coating
Top is provided with handle hole.
6. a kind of 20kV column support type arrester according to claim 4, which is characterized in that the card ball is by elastic material
It is made.
7. a kind of 20kV column support type arrester according to claim 1 or 2 or 3, which is characterized in that the connecting bracket
On be provided with shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846164.4A CN109473245B (en) | 2018-07-27 | 2018-07-27 | 20kV pillar type arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846164.4A CN109473245B (en) | 2018-07-27 | 2018-07-27 | 20kV pillar type arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109473245A true CN109473245A (en) | 2019-03-15 |
| CN109473245B CN109473245B (en) | 2020-12-08 |
Family
ID=65660076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810846164.4A Active CN109473245B (en) | 2018-07-27 | 2018-07-27 | 20kV pillar type arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109473245B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957196A (en) * | 2019-12-26 | 2020-04-03 | 辽宁华隆电力科技股份有限公司 | Pressure-driven opening and closing wire clamp |
| CN113012872A (en) * | 2021-02-24 | 2021-06-22 | 芜湖市凯鑫避雷器有限责任公司 | Lightning arrester installation conductive connection assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200962511Y (en) * | 2006-09-29 | 2007-10-17 | 慈溪市台联电器成套厂 | Connection peduncle of arrester transition supporter |
| CN201359894Y (en) * | 2009-02-27 | 2009-12-09 | 上海兆邦电力器材有限公司 | Column-type lightning arrester device provided with electricity testing earthed pole and piercing connector |
| CN201975190U (en) * | 2011-04-07 | 2011-09-14 | 合肥固力发电气有限公司 | Bridge connection type shifting multi-function arrester |
| US20150244162A1 (en) * | 2012-08-16 | 2015-08-27 | Siemens Aktiengesellschaft | Surge arrester |
| CN205206611U (en) * | 2015-12-07 | 2016-05-04 | 苏州市利德装饰装潢有限公司 | Compound thermal -insulated splice plate of aluminum -wood door |
| CN205221801U (en) * | 2015-12-01 | 2016-05-11 | 安徽省界首市云龙粮机配套工程有限公司 | Play grain machine conveyer belt front end hopper bearing structure |
| CN107611734A (en) * | 2017-09-15 | 2018-01-19 | 秉岳电气(上海)有限公司 | A kind of connector |
| CN207165335U (en) * | 2017-07-20 | 2018-03-30 | 保定通力电器设备有限公司 | Energy-conservation becomes platform pillar arrester |
| CN207405752U (en) * | 2017-05-07 | 2018-05-25 | 黄河科技学院 | A kind of device for preventing sewage backflow |
-
2018
- 2018-07-27 CN CN201810846164.4A patent/CN109473245B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200962511Y (en) * | 2006-09-29 | 2007-10-17 | 慈溪市台联电器成套厂 | Connection peduncle of arrester transition supporter |
| CN201359894Y (en) * | 2009-02-27 | 2009-12-09 | 上海兆邦电力器材有限公司 | Column-type lightning arrester device provided with electricity testing earthed pole and piercing connector |
| CN201975190U (en) * | 2011-04-07 | 2011-09-14 | 合肥固力发电气有限公司 | Bridge connection type shifting multi-function arrester |
| US20150244162A1 (en) * | 2012-08-16 | 2015-08-27 | Siemens Aktiengesellschaft | Surge arrester |
| CN205221801U (en) * | 2015-12-01 | 2016-05-11 | 安徽省界首市云龙粮机配套工程有限公司 | Play grain machine conveyer belt front end hopper bearing structure |
| CN205206611U (en) * | 2015-12-07 | 2016-05-04 | 苏州市利德装饰装潢有限公司 | Compound thermal -insulated splice plate of aluminum -wood door |
| CN207405752U (en) * | 2017-05-07 | 2018-05-25 | 黄河科技学院 | A kind of device for preventing sewage backflow |
| CN207165335U (en) * | 2017-07-20 | 2018-03-30 | 保定通力电器设备有限公司 | Energy-conservation becomes platform pillar arrester |
| CN107611734A (en) * | 2017-09-15 | 2018-01-19 | 秉岳电气(上海)有限公司 | A kind of connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957196A (en) * | 2019-12-26 | 2020-04-03 | 辽宁华隆电力科技股份有限公司 | Pressure-driven opening and closing wire clamp |
| CN113012872A (en) * | 2021-02-24 | 2021-06-22 | 芜湖市凯鑫避雷器有限责任公司 | Lightning arrester installation conductive connection assembly |
| CN113012872B (en) * | 2021-02-24 | 2022-05-17 | 芜湖市凯鑫避雷器有限责任公司 | Lightning arrester installation conductive connection assembly |
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|---|---|
| CN109473245B (en) | 2020-12-08 |
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