CN207265623U - A kind of removable arrester - Google Patents
A kind of removable arrester Download PDFInfo
- Publication number
- CN207265623U CN207265623U CN201721212296.9U CN201721212296U CN207265623U CN 207265623 U CN207265623 U CN 207265623U CN 201721212296 U CN201721212296 U CN 201721212296U CN 207265623 U CN207265623 U CN 207265623U
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- CN
- China
- Prior art keywords
- lightning arrester
- arrester body
- connecting plate
- lower connecting
- junction plate
- Prior art date
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- 239000012212 insulator Substances 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims abstract description 7
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000004927 fusion Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Insulators (AREA)
Abstract
A kind of removable arrester, it includes supporting insulator, lightning arrester body, upper junction plate and lower connecting plate；Upper junction plate one end is fixedly connected with supporting insulator upper end, and the bottom surface of the upper junction plate other end is equipped with smooth concave surface；It is fixedly connected in the middle part of lower connecting plate with supporting insulator lower end, lower connecting plate other end downward bending is simultaneously angled therebetween with lower connecting plate middle part, and the lower connecting plate other end is equipped with the U-shaped folder hook with opening；Lightning arrester body upper end is equipped with projection contacts portion, lightning arrester body lower end is fixed with and the axial perpendicular locating shaft of lightning arrester body, lightning arrester body lower end is inserted into U-shaped folder hook by locating shaft to be positioned, lightning arrester body upper end is slipped into the smooth concave surface of upper junction plate by projection contacts portion to be fixed, lightning arrester body upper end is equipped with draw ring, and lightning arrester body lower end is equipped with and wins ring.The utility model eliminates the spring part used in fuse, has simplified structure, improves longtime running reliability.
Description
Technical field
It the utility model is related to lightning-protecting engineering field, and in particular to a kind of removable arrester.
Background technology
By power department code, distribution arrester annual winter, which need to have a power failure to pull down, does preventive trial, then need to stop again
Electricity arrester is loaded onto, heavy workload and it is loaded down with trivial details, influence circuit normal power supply.Exchange composite sheath removable arrester
(also have and claim drop type, hereinafter referred to as detachable type, arrester) is suitable for harm of the 10kV distribution systems from transient overvoltage.
In operation, by insulating bar easily arrester can be dismantled in the case where not having a power failure, prerun and replacement.Subtract
Few power off time, mitigate maintenance personnel's labor intensity and activity duration.It is particularly suitable for the important events that should not have a power failure.
Existing removable arrester is all to utilize fuse switch component, former fusion tube is removed, arrester two
Matched metal contact is loaded onto at end, is formed at fusion tube, this detachable lightning arrester is complicated, of high cost, not
Suitable for the service condition of arrester.
1. because fuse switch fusion tube contact part is needed for a long time by larger power current, therefore fuse contact needs largely
Copper casting and electroplate, contact overheat otherwise can be caused to burn, and just there be the big of moment in when arrester only passes through lightning stroke
Electric current by, and when working normally, only micro power current flows through, and will not cause fever, therefore is not necessarily to use copper casting,
Also without electroplate.
2. fuse switch in order to solve contact problems of excessive heat, need to be contacted more using spring, and spring is big
Multi-purpose spring steel wire coiling and electrogalvanizing, will because of longtime running and corrosion is failed, then limited with stainless steel steel wire wound by material
System choosing is less than suitable material.
3. fuse switch has 3 electrodes and 3 current potentials when working：Upper contact head connects high pressure；Lower contact connects required use
Equipment；Earthing pole is used to fuse switch being installed on cross arm of tower, such as fusion tube useless and fuse between upper and lower two contact
Connection, then upper contact head be high pressure, and lower contact be low potential, and with fusion tube and fuse connection, then upper and lower contact is equipotential, lower contact
And high pressure, work as line fault, fuse disconnects, then descends contact to return low potential.
Therefore the earthing pole of fuse switch is typically the middle part for being located at supporting insulator, and upper and lower contact is located at
The upper and lower ends of supporting insulator, in fuse operation stress, the earth point among insulator is exactly stress point, and a thin
Weakness, thus fuse lead to see insulator middle part be broken.
The ground connection interpolar of upper and lower contact to supporting insulator is each both needed to meet 10kV system power frequency insulating requirements, therefore
The insulation of supporting insulator will meet the requirement of 2 times of 10kV power frequency systems, i.e. it is exhausted to should be greater than common 10kV for supporting insulator length
2 times of edge, thus supporting insulator need to do it is longer, but by installation dimension, the limitation of cost and fusion tube length, it is impossible to
The 2 times of length done completely, thus the insulation of fuse supporting insulator be commonly designed can just meet insulating requirements but nargin is very
Small, insulation is weaker.
Utility model content
The purpose of this utility model is to provide a kind of removable small, that implementation cost is low, reliability is high and takes shelter from the thunder
Device, to overcome above-mentioned technical problem existing for existing arrester.
To achieve the above object, the technical scheme adopted by the utility model is that：
A kind of removable arrester, it includes supporting insulator, lightning arrester body, upper junction plate and lower connecting plate；
Upper junction plate one end is fixedly connected with supporting insulator upper end, and the bottom surface of the upper junction plate other end is equipped with smooth concave surface；Lower connection
It is fixedly connected in the middle part of plate with supporting insulator lower end, lower connecting plate other end downward bending is simultaneously mutually folder with lower connecting plate middle part
Angle, and the lower connecting plate other end is equipped with the U-shaped folder hook with opening；Lightning arrester body upper end is equipped with projection contacts portion, takes shelter from the thunder
Device body lower end be fixed with the axial perpendicular locating shaft of lightning arrester body, lightning arrester body lower end is inserted into by locating shaft
Be positioned in U-shaped folder hook, lightning arrester body upper end by projection contacts portion slip into the smooth concave surface of upper junction plate and by
Fixed, lightning arrester body upper end is equipped with draw ring, and lightning arrester body lower end is equipped with and wins ring.
From the foregoing, it will be observed that the utility model eliminates the spring part used in fuse, structure has been simplified, has improved longtime running
Reliability.According to the characteristics of arrester, the supporting insulator of the utility model is not required to 3 electrodes, only needs 2 electrodes, need to only hold
By high pressure over the ground between insulation, therefore the height of the supporting insulator in the utility model shortens the half of existing insulator,
Greatly reduce whole arrester volume.The utility model to install and use step as follows：First, first lower connecting plate one end can be used
Bolt is fastened on cross arm of tower, and cross-arm is grounded, and upper junction plate one terminates high-voltage line；2nd, insulating bar is used under shaft tower
That chooses lightning arrester body wins ring, the opening of the locating shaft of lightning arrester body from U-shaped folder hook is inserted in, at this time arrester sheet
Body lower end can be hung on lower connecting plate；3rd, with insulating bar insertion hook ring, it is flipped up by shaft of locating shaft, directly
To the smooth concave surface of the projection contacts portion insertion upper junction plate of lightning arrester body upper end, that is, complete installation.
Such as need to remove arrester, catch on hook ring with insulating bar, lightning arrester body upper end is pulled out from upper junction plate；
After lightning arrester body is upside down, then is chosen and won on circumferential direction with operation lever, by the locating shaft of lightning arrester body from U-shaped folder hook
Opening is chosen, and lightning arrester body is taken can.
Further, the upper junction plate is made of stainless steel spring steel plate.
One kind as the utility model is improved, and the U-shaped folder hook is formed by the bending of the lower connecting plate other end.
One kind as the utility model is improved, and described upper junction plate one end is equipped with high-voltage line wire connection terminal.
Further, threaded hole is respectively equipped with the supporting insulator upper and lower end face, upper junction plate one end passes through bolt
It is fixedly connected with supporting insulator upper end end face, is fixed and connected by bolt and supporting insulator lower end surface in the middle part of lower connecting plate
Connect.
Compared with prior art, the utility model has the following advantages：
The utility model eliminates the spring part used in fuse, has simplified structure, improves longtime running reliability；Root
The characteristics of according to arrester, the supporting insulator of the utility model are not required to 3 electrodes, only need 2 electrodes, are only subjected to high pressure over the ground
Between insulation, therefore the height of the supporting insulator in the utility model shortens the half of existing insulator, makes entirely lightning-arrest
Body product greatly reduces.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model removable arrester closure state；
Fig. 2 is the schematic diagram of the utility model removable arrester off-state.
Embodiment
The content of the utility model is described in further details with reference to the accompanying drawings and detailed description.It is appreciated that
, specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition
It should also be noted that, for the ease of describing, part relevant with the utility model rather than full content are illustrate only in attached drawing.
Embodiment
Refer to Fig. 1 and 2, a kind of removable arrester, it include supporting insulator 10, lightning arrester body 20, on
Connecting plate 30 and lower connecting plate 40.
30 one end of upper junction plate is fixedly connected with 10 upper end of supporting insulator, and the bottom surface of 30 other end of upper junction plate is equipped with light
Sliding concave surface 31；In the present embodiment, described 30 one end of upper junction plate is equipped with high-voltage line wire connection terminal 50, specifically, the high pressure
Line wire connection terminal 50 is made of the bolt 51 and nut 52 for being threaded in 30 one end of upper junction plate.
The middle part of lower connecting plate 40 is fixedly connected with 10 lower end of supporting insulator, 40 other end downward bending of lower connecting plate and with
It is angled therebetween in the middle part of lower connecting plate, and 40 other end of lower connecting plate is equipped with the U-shaped folder hook 41 with opening；In the present embodiment
In, the U-shaped folder hook 41 is formed by the bending of 40 other end of lower connecting plate.
20 upper end of lightning arrester body is equipped with projection contacts portion 21, and 20 lower end of lightning arrester body is fixed with and lightning arrester body 20
Axial perpendicular locating shaft 22,20 lower end of lightning arrester body are inserted into U-shaped folder hook 41 to be positioned by locating shaft 22, kept away
20 upper end of thunder device body is slipped into the smooth concave surface 31 of upper junction plate 30 by projection contacts portion 21 to be fixed, arrester sheet
20 upper end of body is equipped with draw ring 23, and 20 lower end of lightning arrester body is equipped with and wins ring 24.
From the foregoing, it will be observed that the utility model eliminates the spring part used in fuse, structure has been simplified, has improved longtime running
Reliability.According to the characteristics of arrester, the supporting insulator of the utility model is not required to 3 electrodes, only needs 2 electrodes, need to only hold
By high pressure over the ground between insulation, therefore the height of the supporting insulator in the utility model shortens the half of existing insulator,
Greatly reduce whole arrester volume.The utility model to install and use step as follows：First, first lower connecting plate one end can be used
Bolt is fastened on cross arm of tower, and cross-arm is grounded, and upper junction plate one terminates high-voltage line；2nd, insulating bar is used under shaft tower
That chooses lightning arrester body wins ring, the opening of the locating shaft of lightning arrester body from U-shaped folder hook is inserted in, at this time arrester sheet
Body lower end can be hung on lower connecting plate；3rd, with insulating bar insertion hook ring, it is flipped up by shaft of locating shaft, directly
To the smooth concave surface of the projection contacts portion insertion upper junction plate of lightning arrester body upper end, that is, complete installation.
Such as need to remove arrester, catch on hook ring with insulating bar, lightning arrester body upper end is pulled out from upper junction plate；
After lightning arrester body is upside down, then is chosen and won on circumferential direction with operation lever, by the locating shaft of lightning arrester body from U-shaped folder hook
Opening is chosen, and lightning arrester body is taken can.
In the present embodiment, the upper junction plate 30 is made of stainless steel spring steel plate.Stainless steel spring steel plate can make
The elastic force that the upper junction plate other end keeps down, so that good contact is kept with arrester upper end projection contacts portion, on arrester
End will not be skidded off from upper junction plate.
In the present embodiment, threaded hole 11, upper junction plate 30 1 are respectively equipped with 10 upper and lower end face of supporting insulator
End is fixedly connected by bolt 12 with 10 upper end end face of supporting insulator, and the middle part of lower connecting plate 40 passes through bolt 13 and supports insulative
Sub 10 lower end surfaces are fixedly connected.
Above-listed detailed description is illustrating for the utility model possible embodiments, which simultaneously is not used to limit
The scope of the claims of the utility model, all equivalence enforcements or change without departing from carried out by the utility model, are intended to be limited solely by this case
In the scope of the claims.
Claims (5)
- A kind of 1. removable arrester, it is characterised in that：Including supporting insulator, lightning arrester body, upper junction plate and under Connecting plate；Upper junction plate one end is fixedly connected with supporting insulator upper end, and the bottom surface of the upper junction plate other end is equipped with smooth concave surface； It is fixedly connected in the middle part of lower connecting plate with supporting insulator lower end, lower connecting plate other end downward bending is simultaneously mutual with lower connecting plate middle part Into angle, and the lower connecting plate other end is equipped with the U-shaped folder hook with opening；Lightning arrester body upper end is equipped with projection contacts portion, Lightning arrester body lower end be fixed with the axial perpendicular locating shaft of lightning arrester body, lightning arrester body lower end is inserted by locating shaft It is positioned in U-shaped folder hook, lightning arrester body upper end is slipped into the smooth concave surface of upper junction plate by projection contacts portion And fixed, lightning arrester body upper end is equipped with draw ring, and lightning arrester body lower end is equipped with and wins ring.
- 2. removable arrester according to claim 1, it is characterised in that：The upper junction plate is by stainless steel spring Steel plate is made.
- 3. removable arrester according to claim 1, it is characterised in that：The U-shaped folder hook is another by lower connecting plate One end bending forms.
- 4. removable arrester according to claim 1, it is characterised in that：Described upper junction plate one end is equipped with high pressure Line wire connection terminal.
- 5. removable arrester according to claim 1, it is characterised in that：At the supporting insulator upper and lower end face Threaded hole is respectively equipped with, upper junction plate one end is fixedly connected by bolt with supporting insulator upper end end face, in the middle part of lower connecting plate It is fixedly connected by bolt with supporting insulator lower end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212296.9U CN207265623U (en) | 2017-09-20 | 2017-09-20 | A kind of removable arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212296.9U CN207265623U (en) | 2017-09-20 | 2017-09-20 | A kind of removable arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265623U true CN207265623U (en) | 2018-04-20 |
Family
ID=61920151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721212296.9U Active CN207265623U (en) | 2017-09-20 | 2017-09-20 | A kind of removable arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707650A (en) * | 2019-11-13 | 2020-01-17 | 国网上海市电力公司 | A high-strength mandrel-type arrester with visible fracture |
-
2017
- 2017-09-20 CN CN201721212296.9U patent/CN207265623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707650A (en) * | 2019-11-13 | 2020-01-17 | 国网上海市电力公司 | A high-strength mandrel-type arrester with visible fracture |
| CN110707650B (en) * | 2019-11-13 | 2024-10-22 | 国网上海市电力公司 | High-strength core rod type lightning arrester with visible fracture |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |