CN201142258Y - Suspension type arrester - Google Patents
Suspension type arrester Download PDFInfo
- Publication number
- CN201142258Y CN201142258Y CNU2007201555614U CN200720155561U CN201142258Y CN 201142258 Y CN201142258 Y CN 201142258Y CN U2007201555614 U CNU2007201555614 U CN U2007201555614U CN 200720155561 U CN200720155561 U CN 200720155561U CN 201142258 Y CN201142258 Y CN 201142258Y
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- gold utensil
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- suspended
- lightning arrester
- zinc oxide
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Abstract
The utility model relates to a suspended type lightning arrester, which is mainly composed of a silicon rubber umbrella cover, a non-woven fiber tape (or an epoxy cylinder), an annular zinc oxide resistance chip, an epoxy glass fiber mandrel bar, two-end link fittings, two-end electrodes, a sealing ring, an adjusting sleeve and an adjusting pad. The suspended type lightning arrester is characterized in that an epoxy glass fiber extraction bar penetrates through the zinc oxide resistance chip and the center of the two-end electrodes, and is directly connected with the two end connected hardware fittings in a pressure welding manner; the adjusting sleeve and the upper end electrode are connected through thread structure; the sealing ring is sealed between the two-end link fittings and the two-end electrodes; the silicon rubber umbrella cover fully packs all the parts of the two-end link fittings except the connecting parts. Compared with prior art, the suspended type lightning arrester has the advantages that the structure is simple and skillful, the production is convenient, the sealing is reliable, the internal contact is close, the antifouling power is strong, the traction force bearing ability is strong, the installation is convenient, and the explode-proof performance is good.
Description
Technical field
Utility model relates to a kind of suspended-type surge arrester, belongs to lightning protection anti-overvoltage field in the electric power networking, and this lightning arrester adopts suspension type to install, and is specially adapted to the lead in the transmission line and the lightning protection and the anti-overvoltage of equipment.
Background technology
Various lightning arresters are arranged in the existing transmission line, and the seat that has commonly used is adorned the formula lightning arrester, it is characterized in that lightning arrester will be installed on the specific support, and the inconvenient cost of constructing is higher.China's utility model patent " suspension type zinc oxide arrester " (ZL97239955.0) has been introduced a kind of suspended-type surge arrester, it is characterized in that adopting the complicated link of a plug and a cover with being threaded or the resin cement splicing, and adopt flexible flange, rubber sealing ring and filling fluid silicone rubber as encapsulating method, have advantages such as volume is little, in light weight, but have shortcomings such as complex structure, production is inconvenient, cost is higher, tensile strength is poor, reliability is low.
Summary of the invention
In order to solve the problem that existing lightning arrester exists, the utility model provides a kind of improved suspended-type surge arrester, and this lightning arrester is simple in structure and ingenious, convenient for production, reliable, the antifouling ability of sealing is strong, bear that pulling force is very competent, easy for installation, explosion-proof is good.
The technical measures of implementing the utility model suspended-type surge arrester above-mentioned purpose and adopting are as described below: this lightning arrester comprises that epoxy glass plug, upper end connect zinc oxide resistance sheet, sealing ring, no latitude band or the epoxy cylinder and the silicon rubber umbrella cover of gold utensil, lower end connection gold utensil, upper end electrode, lower end electrode, adjustment cover, adjusting pad, ring-type; Pass the zinc oxide resistance sheet of ring-type and the central authorities of two end electrodes by described epoxy glass plug, directly connected by the mode of connection gold utensil in two ends with crimping; Described adjustment cover and adjusting pad are metal material, between upper end electrode and zinc oxide resistance sheet; Adopt between two end electrodes and the two ends gold utensil to be threaded, be provided with sealing ring in the middle of it; No latitude band or suit epoxy cylinder are twined in outside at zinc oxide resistance sheet, two end electrodes, adjustment cover and adjusting pad, and its outside is formed with the silicon rubber umbrella cover at parcel all exposed positions except that the gold utensil connecting portion of two ends.
Described adjustment cover is connected by helicitic texture with upper end electrode, adjusts between cover and the adjusting pad to staircase structural model connects, and has formed by reversing and has adjusted that cover makes the assembly structure height growth of itself and upper end electrode and the structure that compresses zinc oxide resistance sheet downwards.
Described umbrella cover is designed to big umbellule anti-fouling type, and has enough creepage distances.
The two ends gold utensil is designed to shapes such as bulb ball-and-socket shape, ring-type or single ears shape according to the connection characteristics.
Can on the gold utensil of lightning arrester upper end, be connected with iron tower again by suspension insulator of serial connection, on the gold utensil of lightning arrester upper end, a lead-in wire wire clamp is installed, draw lead and be connected with lightning arrester monitor.
Can on the gold utensil of lower end, be connected in series the compound suspension type rod type insulator of a two ends band grading ring, install with lead again, form the lightning arrester of a band fixed interval (FI).
A grading ring can be installed on the gold utensil of lower end, install one on the lead correspondence position and recruit arc ring, form the lightning arrester of a band air gap.
When nominal voltage of a system is 220kV and when above, described suspended-type surge arrester is divided into two joints or above same structure serial connection, keeps its single-unit height to be no more than 1500mm.Grading ring is installed on the upper and lower side gold utensil is improved Electric Field Distribution.
As mentioned above as can be known, have the utility model suspended-type surge arrester of said structure characteristics, compared with the prior art, have following characteristics:
(1), because tensile load directly has been delivered to the upper end gold utensil by the plug of centre by the lower end gold utensil, and gold utensil has adopted compression joint technique with being connected of plug, so its hot strength can reach more than the 70KN, product tensile strength than traditional structure exceeds several times, and owing to do not have too much intermediate link, so reliability is stronger.
(2), adopted the screw thread anti-gap that compresses between the resistor disc of twisting of adjusting cover and upper end electrode, guaranteed the electric property of product.
(3), since in the syndeton indoor design of two end electrodes and gold utensil sealing ring, all parts between the two end electrodes are all twined by no latitude band, and silicon rubber umbrella cover integral die technology has been wrapped up all parts except that coupling part, the two ends gold utensil outside, and therefore sealing is very reliable.
(4), since mechanical load mainly by plug carrying, so do not have the thickness of latitude band (or epoxy cylinder) can design relative thin some, improved explosion-proof performance.
(5), because the silicon rubber umbrella cover has adopted integral die technology, and adopt the design of big umbellule, therefore had better antifouling ability.
(6), owing to can form the fixed interval (FI) or install grading ring formation air gap additional at its lower end serial connection insulator, Leakage Current when having blocked normal the operation, reduce the aging of lightning arrester resistor disc, in the useful life of having improved lightning arrester, improved the fail safe that circuit moves.
(7), be 220kV and when above when being used for nominal voltage of a system owing to can be divided into two joints or above same structure with movable connected mode serial connection, make production, transport and install more convenient, and improved bending resistance.
In addition, compared with the prior art the technical program also has following advantage:
1, simple and ingenious structure, convenient for production, cost is lower.
2, installation is convenient.
Description of drawings
Fig. 1 is the structural representation of the utility model suspended-type surge arrester one embodiment.
Fig. 2 is the scheme of installation of the utility model suspended-type surge arrester band lightning arrester monitor.
Fig. 3 is the installation partial schematic diagram of the utility model suspended-type surge arrester band fixed interval (FI) type.
Fig. 4, Fig. 5, Fig. 6 are installation partial side view, front view and the upward view of the utility model suspended-type surge arrester band air gap type.
Fig. 7 is the product appearance figure of the above model of the utility model suspended-type surge arrester two joints.
Embodiment
Now the preferred embodiment shown in conjunction with the accompanying drawings is further described structure of the present utility model.
As shown in Figure 1, the utility model suspended-type surge arrester mainly is made up of zinc oxide resistance sheet 8, sealing ring 9 and 12, no latitude band (or epoxy cylinder) 10 and the silicon rubber umbrella cover 11 of epoxy glass plug 1, upper end connection gold utensil 2, lower end connection gold utensil 3, upper end electrode 4, lower end electrode 5, adjustment cover 6, adjusting pad 7, ring-type.During production one end of epoxy glass plug and the upper end gold utensil mode with crimping is fastened, a sealing ring is embedded in the internal thread hole 14 of upper end electrode, penetrate plug and tighten with the upper end gold utensil again; The internal thread 15 of adjusting cover is screwed on the external screw thread of upper end electrode and surpass mark the position a little, adjusting pad is embedded the other end of adjusting cover, the good ring-type zinc oxide resistance sheet that will match successively penetrates plug, again lower end electrode is penetrated plug, another sealing ring is embedded in its internal thread hole, the lower end gold utensil is inserted in plug and tightens with the lower end gold utensil, the mode with crimping fastens the lower end gold utensil on plug equally.Be inserted in hole 13 interior reverse the turning of reversing of adjusting cover with instrument then and make the assembly of adjusting cover and upper end electrode elongated, promote adjusting pad and compress zinc oxide resistance sheet downwards.Then at resistor disc, adjust and to twine no latitude band on cover and the two end electrodes and (or an epoxy cylinder is enclosed within outside it, adopt the mode of screw thread to connect between epoxy cylinder and the electrode), solidify the rear surface and coat coupling molecule, put it into interior integral die of mould or notes behind the drying and forewarm and press the silicon rubber umbrella cover.The silicon rubber umbrella cover has wrapped up exposed positions all except that the gold utensil connecting portion of two ends, and its umbrella cover is designed to big umbellule anti-fouling type, and has enough creepage distances.
As shown in Figure 2, the two ends gold utensil of the utility model suspended-type surge arrester can be designed to bulb ball-and-socket shape, ring-type or single ears shape according to installation requirement and not wait.Lightning arrester lower end gold utensil can pass through modes such as suspension clamp 16, T molded lines folder and be connected with lead 17.Its upper end gold utensil can be connected with iron tower by connection tower gold utensil; When lightning arrester monitor 18 or discharge counter being installed, can being connected in series an insulator 19 and being connected with iron tower again, and on the gold utensil of upper end, a lead-in wire wire clamp 20 is installed, draw lead and be connected with lightning arrester monitor as need.
As shown in Figure 3, connect on the gold utensil of the lower end composite insulator 21 of a two ends band grading ring of the utility model suspended-type surge arrester connects and composes fixed interval (FI) type lightning arrester with lead 17 again.
By Fig. 4, Fig. 5, Fig. 6 as can be known, the utility model suspended-type surge arrester is installed a disciform grading ring 22 on the gold utensil of lower end, an open type is installed on the lead correspondence position recruits arc ring 23, constitutes air gap type lightning arrester.
As shown in Figure 7, when being used for nominal voltage of a system is 220kV and when above, and the utility model suspended-type surge arrester can be divided into two joints or above same structure serial connection, keeps its single-unit height to be no more than 1500mm, and grading ring 24,25 is installed on the upper and lower side gold utensil, improve Electric Field Distribution.
The utility model conductor jointer only illustrates some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel can structurally make various variations or modification according to the present utility model design and spirit, and for example the outlet of earth terminal can be drawn from upper end electrode in addition.Therefore these must belong to protection range of the present utility model.
Claims (8)
1, a kind of suspended-type surge arrester is characterized in that: comprise that epoxy glass plug, upper end connect zinc oxide resistance sheet, sealing ring, no latitude band or the epoxy cylinder and the silicon rubber umbrella cover of gold utensil, lower end connection gold utensil, upper end electrode, lower end electrode, adjustment cover, adjusting pad, ring-type; Pass the zinc oxide resistance sheet of ring-type and the central authorities of two end electrodes by described epoxy glass plug, directly connected by the mode of connection gold utensil in two ends with crimping; Described adjustment cover and adjusting pad are metal material, between upper end electrode and zinc oxide resistance sheet; Adopt between two end electrodes and the two ends gold utensil to be threaded, be provided with sealing ring in the middle of it; No latitude band or suit epoxy cylinder are twined in outside at zinc oxide resistance sheet, two end electrodes, adjustment cover and adjusting pad, and its outside is formed with the silicon rubber umbrella cover at parcel all exposed positions except that the gold utensil connecting portion of two ends.
2, suspended-type surge arrester according to claim 1, it is characterized in that: described adjustment cover is connected by helicitic texture with upper end electrode, adjust between cover and the adjusting pad to staircase structural model connects, formed by reversing and adjusted that cover makes the assembly structure height growth of itself and upper end electrode and the structure that compresses zinc oxide resistance sheet downwards.
3, suspended-type surge arrester according to claim 1 and 2 is characterized in that: described umbrella cover is designed to big umbellule anti-fouling type, and has enough creepage distances.
4, suspended-type surge arrester according to claim 1 and 2 is characterized in that: the two ends gold utensil is designed to shapes such as bulb ball-and-socket shape, ring-type or single ears shape according to the connection characteristics.
5, suspended-type surge arrester according to claim 1 and 2, it is characterized in that: suspension insulator of serial connection is connected with iron tower again on the gold utensil of lightning arrester upper end, on the gold utensil of lightning arrester upper end, a lead-in wire wire clamp is installed, is drawn lead and be connected with lightning arrester monitor.
6, suspended-type surge arrester according to claim 1 and 2 is characterized in that: the compound suspension type rod type insulator of a two ends band grading ring of serial connection on the gold utensil of lower end, install with lead again, and form the lightning arrester of a band fixed interval (FI).
7, suspended-type surge arrester according to claim 1 and 2 is characterized in that: a grading ring is installed on the gold utensil of lower end, is installed one on the lead correspondence position and recruit arc ring, form the lightning arrester of a band air gap.
8, suspended-type surge arrester according to claim 7 is characterized in that: the grading ring that is used for improving Electric Field Distribution is installed on the upper and lower side gold utensil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201555614U CN201142258Y (en) | 2007-07-06 | 2007-07-06 | Suspension type arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201555614U CN201142258Y (en) | 2007-07-06 | 2007-07-06 | Suspension type arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142258Y true CN201142258Y (en) | 2008-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201555614U Expired - Fee Related CN201142258Y (en) | 2007-07-06 | 2007-07-06 | Suspension type arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142258Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543332A (en) * | 2010-12-28 | 2012-07-04 | 河南博特电气有限公司 | Zinc oxide lightning arrester and manufacturing method thereof |
| CN103595005A (en) * | 2013-12-05 | 2014-02-19 | 国家电网公司 | Insulator type lightning arrester |
| CN103606425A (en) * | 2013-12-05 | 2014-02-26 | 国家电网公司 | Lightning arrester with performance of line insulator |
| CN104022443A (en) * | 2014-06-16 | 2014-09-03 | 山东迅实电气有限公司 | Cantilever supporting voltage limiter for traction power supply electric railway |
| CN104022444A (en) * | 2014-06-16 | 2014-09-03 | 山东迅实电气有限公司 | Rod-shaped suspended voltage limiter for overhead line |
| CN104952562A (en) * | 2015-07-01 | 2015-09-30 | 国家电网公司 | Anti-thunder and anti-icing pin type composite insulator for 10kV power transmission line |
| CN109545485A (en) * | 2018-11-27 | 2019-03-29 | 国网上海市电力公司 | A kind of Novel lightning arrester core assembling structure |
| CN111584173A (en) * | 2020-05-26 | 2020-08-25 | 恒大电气有限公司 | Arrester and valve block dry pressing forming device thereof |
| CN113299445A (en) * | 2021-05-28 | 2021-08-24 | 固力发电气有限公司 | High-voltage composite post insulator |
-
2007
- 2007-07-06 CN CNU2007201555614U patent/CN201142258Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543332A (en) * | 2010-12-28 | 2012-07-04 | 河南博特电气有限公司 | Zinc oxide lightning arrester and manufacturing method thereof |
| CN103595005A (en) * | 2013-12-05 | 2014-02-19 | 国家电网公司 | Insulator type lightning arrester |
| CN103606425A (en) * | 2013-12-05 | 2014-02-26 | 国家电网公司 | Lightning arrester with performance of line insulator |
| CN104022443A (en) * | 2014-06-16 | 2014-09-03 | 山东迅实电气有限公司 | Cantilever supporting voltage limiter for traction power supply electric railway |
| CN104022444A (en) * | 2014-06-16 | 2014-09-03 | 山东迅实电气有限公司 | Rod-shaped suspended voltage limiter for overhead line |
| CN104952562A (en) * | 2015-07-01 | 2015-09-30 | 国家电网公司 | Anti-thunder and anti-icing pin type composite insulator for 10kV power transmission line |
| CN109545485A (en) * | 2018-11-27 | 2019-03-29 | 国网上海市电力公司 | A kind of Novel lightning arrester core assembling structure |
| CN111584173A (en) * | 2020-05-26 | 2020-08-25 | 恒大电气有限公司 | Arrester and valve block dry pressing forming device thereof |
| CN111584173B (en) * | 2020-05-26 | 2021-08-17 | 恒大电气有限公司 | Lightning arrester |
| CN113299445A (en) * | 2021-05-28 | 2021-08-24 | 固力发电气有限公司 | High-voltage composite post insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GULIFA ELECTRIC CO., LTD.;ZHENG ZHE Free format text: FORMER NAME: GULIFA ELECTRIC CORP. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Xinguang Industrial Zone, Yueqing, Zhejiang, Liushi Co-patentee after: Zheng Zhe Patentee after: Gulifa Group Co., Ltd. Address before: 325604 Xinguang Industrial Zone, Yueqing, Zhejiang, Liushi Co-patentee before: Zheng Zhe Patentee before: Gulifa Electric Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20150706 |
|
| EXPY | Termination of patent right or utility model |