CN203982916U - A kind of lightning rod type insulator - Google Patents
A kind of lightning rod type insulator Download PDFInfo
- Publication number
- CN203982916U CN203982916U CN201420339651.9U CN201420339651U CN203982916U CN 203982916 U CN203982916 U CN 203982916U CN 201420339651 U CN201420339651 U CN 201420339651U CN 203982916 U CN203982916 U CN 203982916U
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- China
- Prior art keywords
- striking arm
- rod type
- lightning rod
- elastic fastening
- insulator
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Abstract
The utility model discloses a kind of lightning rod type insulator, aiming to provide one is convenient to install, lightning rod type insulator cheaply, its technical scheme main points are, this lightning rod type insulator comprises insulator body, line ball lid, striking arm, bolt assembly and insulating shield, insulator body one end is installed with line ball base, the other end is provided with recruits arc plate, striking arm comprises the stiff end setting gradually, striking arm main body, discharge end, one end that described line ball base is connected with insulator body is provided with annular groove, stiff end comprises bolt and two elastic fastening sheets for fixing striking arm, bolt is fixedly connected with two elastic fastening sheets, two elastic fastening sheets form dead ring and are set in annular groove, striking arm is stablized to be firmly connected with insulator body, be convenient to install, it is independent installation that the arm of striking is simultaneously connected with insulator body, reduce the required precision of the installation dimension of striking arm, reduce manufacturing cost.
Description
Technical field
The utility model relates to a kind of lightning protection electric armour clamp, and more particularly, it relates to a kind of lightning rod type insulator.
Background technology
In order to improve the safety of transmission of electricity electricity consumption, in urban and rural power grids, overhead transmission line will be realized insulating, so suspended insulated guide wire is used in a large number, but the lightning-caused breaking problem of suspended insulated guide wire is very outstanding.This is first puncture wire insulation and then cause insulator arc-over at wire and insulator connection place due to direct lightning strike or lightning induced voltage, make electric arc insulating barrier puncture place's burning, within the extremely short time, blow wire.
External series gap striking lightning protection principle is applied to pin insulator by lightning rod type insulator, is applicable to distribution 10kv suspended insulated guide wire, is one of instrument important in electrical network thunder resisting equipment.
At present, (Chinese patent that application number is 201120249414.X discloses a kind of lightning rod type insulator) on market, it: comprise pin insulator body, line ball lid, striking fork, securing member and insulating shield; Lower end steel pin one side of described pin insulator body is provided with the arcing horn of an outwards upper lateral process, and the arcing horn on discharge end and the insulator lower end steel pin of striking fork forms a discharging gap, thereby discharges lightning overvoltage protection insulated conductor.
Wherein striking fork is fixedly connected with pin insulator body and is: pass from the through hole of line ball lid by the double-screw bolt in securing member, then through the through hole on the gold utensil of pin insulator body upper end, be screwed in the screw of stiff end of striking fork.The mode that is fixedly connected with although this can make striking fork and pin insulator body stable connection firm, but be thisly fixedly connected with middle double-screw bolt and will be successively coordinate with screw again through two through holes, need like this position between Kong Yukong to want precisely, double-screw bolt could coordinate with screw, the screw manufacturing dimension of the stiff end of striking fork is had relatively high expectations, improve manufacturing cost, this connected mode needs operating personnel before installation simultaneously, need aligned through holes and screw central axis in advance, make striking fork that inconvenience is installed, reduce operating efficiency.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide that one is convenient to install, lightning rod type insulator cheaply.
For achieving the above object, the utility model provides following technical scheme: a kind of lightning rod type insulator, comprise insulator body, line ball lid, striking arm, bolt assembly and insulating shield, insulator body one end is installed with line ball base, the other end is provided with recruits arc plate, described striking arm comprises the stiff end setting gradually, striking arm main body, discharge end, one end that described line ball base is connected with insulator body is provided with annular groove, described stiff end comprises bolt and two elastic fastening sheets for fixing striking arm, described bolt is fixedly connected with two elastic fastening sheets, two elastic fastening sheets form dead ring and are set in annular groove.
By adopting technique scheme, described striking arm is connected with insulator body, can first be placed on annular groove by two elastic fastening sheets on the stiff end of striking arm, make elastic fastening sheet be adjacent to annular groove diapire, re-use bolt and be fixedly connected with two elastic fastening sheets, make two elastic fastening sheets form dead ring and be set in annular groove, striking arm is stablized and be firmly connected with insulator body, be convenient to install, increase work efficiency; Simultaneously to be connected with insulator body be independent installation to striking arm, and the installation dimension of striking arm and line ball lid and line ball base are not have relatedly, and the required precision of the installation dimension of reduction striking arm, is convenient to manufacture, reduction manufacturing cost.
The utility model is further set to: described annular groove cross section is trapezoidal faces, and described annular groove diapire is provided with several convex tendons.
By adopting technique scheme, described annular groove cross section is trapezoidal faces, makes the diapire laminating of described elastic fastening sheet and annular groove tightr, at diapire, convex tendon is set, the frictional force that increases elastic fastening sheet and annular groove diapire, makes both connections firm stable more.
The utility model is further set to: the relative stiff end opposite side of described two elastic fastening sheets is equipped with compressed part, and described compressed part is bonded to each other and be provided with the through hole being fixedly connected with for bolt.
By adopting technique scheme, two elastic fastening sheets are bonded to each other and be fixedly connected with bolt by compressed part, are convenient to two elastic fastening sheets and connect, and improve striking arm and insulator body joint efficiency.
The utility model is further set to: on a skew back of described trick arc plate bending corresponding with the discharge end of striking arm, opposite side is provided with U-shaped open slot, described trick arc plate is connected with insulator body by U-shaped open slot.
By adopting technique scheme, the discharge end of described trick arc plate and striking arm forms discharging gap, its distance can make to recruit arc plate and insulator body to relatively move to regulate by U-shaped open slot, is convenient to the discharging gap of lightning rod type insulator, increases work efficiency.
The utility model is further set to: described bolt assembly includes torque nut, and described torque nut comprises interconnective top nut and lower nut.
By adopting technique scheme, in described bolt assembly, bolt coordinates with torque nut through described line ball lid and line ball base, torque nut is in the time reaching setting moment, torque nut will rupture automatically, top nut is separated with lower nut, can effectively prevent that like this operating personnel's fastening nut strength is excessive, avoid line ball lid and line ball base excessively to compress, destroy insulated conductor.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of lightning rod type insulator of the utility model;
Fig. 2 is the structural representation that a kind of lightning rod type insulator of the utility model is removed striking arm;
Fig. 3 is the vertical view of striking arm in Fig. 1;
Fig. 4 is the cutaway view that Fig. 1 infects arc plate.
In figure 1, insulator body; 2, line ball lid; 3, striking arm; 31, stiff end; 311, bolt; 312, elastic fastening sheet; 3121, compressed part; 32, striking arm main body; 33, discharge end; 4, bolt assembly; 41, torque nut; 411, top nut; 412, lower nut; 5, line ball base; 51, annular groove; 511, convex tendon; 6, recruit arc plate; 61, U-shaped open slot.
Embodiment
Referring to figs. 1 through Fig. 4, a kind of lightning rod type insulator of the utility model is described further.
A kind of lightning rod type insulator, comprise insulator body 1, line ball lid 2, striking arm 3, bolt assembly 4 and insulating shield, insulator body 1 one end is installed with line ball base 5, the other end is provided with recruits arc plate 6, described striking arm 3 comprises the stiff end 31 setting gradually, striking arm main body 32, discharge end 33, one end that described line ball base 5 is connected with insulator body 1 is provided with annular groove 51, described stiff end 31 comprises bolt 311 and two elastic fastening sheets 312 for fixing striking arm 3, described bolt 311 is fixedly connected with two elastic fastening sheets 312, two elastic fastening sheets 312 form dead ring and are set in annular groove 51.
Described striking arm 3 is connected with insulator body 1, can first be placed on annular groove 51 by two elastic fastening sheets 312 on the stiff end of striking arm 3 31, make elastic fastening sheet 312 be adjacent to annular groove 51 diapires, re-use bolt 311 and be fixedly connected with two elastic fastening sheets 312, making two elastic fastening sheets 312 form dead ring is set in annular groove 51, striking arm 3 is stablized to be firmly connected with insulator body 1, be convenient to install, it is independent installation that the arm 3 of striking is simultaneously connected with insulator body 1, the installation dimension of striking arm 3 and line ball lid 2 and line ball base 5 be do not have related, reduce the required precision of the installation dimension of striking arm 3, be convenient to manufacture, reduce manufacturing cost.
Wherein said annular groove 51 cross sections are trapezoidal faces, make described elastic fastening sheet 312 tightr with the diapire laminating of annular groove 51, described annular groove 51 diapires are provided with several convex tendons 511, convex tendon 511 cross sections can triangle or arc surface, wherein arc surface is convenient to manufacture, increase elastic fastening sheet 312 best with the frictional force effect of annular groove 51 diapires simultaneously, make both connections firm stable more.
Relative stiff end 31 opposite sides of described two elastic fastening sheets 312 are equipped with compressed part 3121, described compressed part 3121 is bonded to each other and be provided with the through hole being fixedly connected with for bolt 311, two elastic fastening sheets 312 are bonded to each other and be fixedly connected with bolt 311 by compressed part 3121, be convenient to two elastic fastening sheets 312 and connect, improve striking arm 3 and insulator body 1 joint efficiency.
On one skew back of described trick arc plate 6, bending is corresponding with the discharge end 33 of striking arm 3, opposite side is provided with U-shaped open slot 61, described trick arc plate 6 is connected with insulator body 1 by U-shaped open slot 61, described trick arc plate 6 forms discharging gap with the discharge end 33 of striking arm 3, its distance can make to recruit arc plate 6 and insulator body 1 to relatively move to regulate by U-shaped open slot 61, be convenient to the discharging gap of lightning rod type insulator, increase work efficiency.
Described bolt assembly 4 includes torque nut 41, and described torque nut 41 comprises interconnective top nut 411 and lower nut 412.
In described bolt assembly 4, bolt 311 coordinates with torque nut 41 through described line ball lid 2 and line ball base 5, torque nut 41 is in the time reaching setting moment, torque nut 41 will rupture automatically, top nut 411 is separated with lower nut 412, can effectively prevent that like this operating personnel's fastening nut strength is excessive, avoid line ball lid 2 and line ball base 5 excessively to compress, destroy insulated conductor.
Claims (5)
1. a lightning rod type insulator, comprise insulator body, line ball lid, striking arm, bolt assembly and insulating shield, insulator body one end is installed with line ball base, the other end is provided with recruits arc plate, described striking arm comprises the stiff end setting gradually, striking arm main body, discharge end, it is characterized in that: one end that described line ball base is connected with insulator body is provided with annular groove, described stiff end comprises bolt and two elastic fastening sheets for fixing striking arm, described bolt is fixedly connected with two elastic fastening sheets, two elastic fastening sheets form dead ring and are set in annular groove.
2. a kind of lightning rod type insulator according to claim 1, is characterized in that: described annular groove cross section is trapezoidal faces, and described annular groove diapire is provided with several convex tendons.
3. a kind of lightning rod type insulator according to claim 1 and 2, is characterized in that: the relative stiff end opposite side of described two elastic fastening sheets is equipped with compressed part, and described compressed part is bonded to each other and be provided with the through hole being fixedly connected with for bolt.
4. a kind of lightning rod type insulator according to claim 3, it is characterized in that: on a skew back of described trick arc plate, bending is corresponding with the discharge end of striking arm, opposite side is provided with U-shaped open slot, and described trick arc plate is connected with insulator body by U-shaped open slot.
5. a kind of lightning rod type insulator according to claim 4, is characterized in that: described bolt assembly includes torque nut, described torque nut comprises interconnective top nut and lower nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339651.9U CN203982916U (en) | 2014-07-05 | 2014-07-05 | A kind of lightning rod type insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339651.9U CN203982916U (en) | 2014-07-05 | 2014-07-05 | A kind of lightning rod type insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982916U true CN203982916U (en) | 2014-12-03 |
Family
ID=51980346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339651.9U Expired - Fee Related CN203982916U (en) | 2014-07-05 | 2014-07-05 | A kind of lightning rod type insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203982916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448438A (en) * | 2015-11-13 | 2016-03-30 | 国网山东省电力公司莱芜供电公司 | Lightning protection hardware fitting made of thermal bimetal material |
| CN109360698A (en) * | 2018-11-07 | 2019-02-19 | 南宁超伏电气科技有限公司 | A kind of arc-control device that nested can be mounted on insulator chain |
-
2014
- 2014-07-05 CN CN201420339651.9U patent/CN203982916U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448438A (en) * | 2015-11-13 | 2016-03-30 | 国网山东省电力公司莱芜供电公司 | Lightning protection hardware fitting made of thermal bimetal material |
| CN105448438B (en) * | 2015-11-13 | 2017-09-19 | 国网山东省电力公司莱芜供电公司 | A kind of thermo bimetal is the lightning protection hardware of material |
| CN109360698A (en) * | 2018-11-07 | 2019-02-19 | 南宁超伏电气科技有限公司 | A kind of arc-control device that nested can be mounted on insulator chain |
| CN109360698B (en) * | 2018-11-07 | 2023-10-03 | 南宁超伏电气科技有限公司 | Arc extinguishing device capable of being installed on insulator string in nested mode |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Changhong village, Liushi Town, Yueqing City, Zhejiang, Wenzhou Patentee after: Zhejiang Tanho Electrical Equipment Co., Ltd. Address before: 325000 Changhong village, Liushi Town, Yueqing City, Zhejiang, Wenzhou Patentee before: Zhejiang Tanho Electrical Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170705 |