CN104464983A - Adjustable anti-thunder fitting - Google Patents
Adjustable anti-thunder fitting Download PDFInfo
- Publication number
- CN104464983A CN104464983A CN201410635133.6A CN201410635133A CN104464983A CN 104464983 A CN104464983 A CN 104464983A CN 201410635133 A CN201410635133 A CN 201410635133A CN 104464983 A CN104464983 A CN 104464983A
- Authority
- CN
- China
- Prior art keywords
- wire
- lightning protection
- starting rod
- arc striking
- protection hardware
- 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.)
- Pending
Links
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to an adjustable anti-thunder fitting, and belongs to the field of wire anti-thunder technologies. The adjustable anti-thunder fitting comprises a line insulator, a cross arm, an earth plate, a wire clamping device and an insulated arc striking rod. The cross arm is arranged at the lower end of the line insulator, the earth plate is arranged between the cross arm and the line insulator, the wire clamping device is arranged on one side of the line insulator and clamps a wire, and the insulated arc striking rod is arranged at the lower end of the wire clamping device. The interior and exterior of the insulated arc striking rod are sleeved with two layers. Multiple through holes which are perpendicularly arrayed and evenly distributed are formed in the outer layer of the insulated arc striking rod, a clamping block is arranged on the outer wall of the inner layer of the insulated arc striking rod and clamped inside the corresponding through hole, the clamping block is connected with the outer wall of the inner layer of the insulated arc striking rod through an elastic element, and an arc striking metal ball is arranged at the lower end of the inner layer of the insulated arc striking rod. Through adjusting the position, in the corresponding through hole in the outer layer, of the clamping block on the outer wall of the inner layer of the insulated arc striking rod, the length of the insulated arc striking rod can be adjusted, so that the distance between the arc striking metal ball and the earth plate is adjusted, and then insulator anti-thunder fittings of various models are in common use.
Description
Technical field
The invention belongs to wire anti-thunder technical field, particularly relate to a kind of adjustable lightning protection hardware.
Background technology
Along with the modern construction in town and country, 10KV insulated circuit constantly increases, but transmission line is difficult to bear direct lightning strike or induced lightening, and lightning-caused breaking accident constantly occurs.After overhead transmission line meets with thunderbolt, lightning voltage must find the weak link (near cross-arm or wall bushing) that insulate it to be punctured instantaneously, produces lightning current passage.Then there is phase fault alternate generation power frequency continued flow (i.e. electric arc), electric arc, on plain conductor, because of electrodynamic effect, can be moved to load side by mains side, the heat produced by electric arc is disperseed rapidly, generally plain conductor can not be blown.But on insulated conductor, due to the obstruct of insulating coating, electric arc cannot move, powerful short circuit current focuses on a point and is blown instantaneously by insulated conductor, so insulated conductor more easily line-outage contingency occurs after meeting with thunderbolt.For this reason, all prevent power frequency continued flow from blowing the lightning protection hardware of wire in research both at home and abroad.
Most coordinated insulation of existing lightning protection hardware is installed, and discharging gap is fixed, and seriously limits the versatility of the insulator lightning protection hardware of various model, and the lightning protection hardware of different model causes inconvenience to construction and maintenance.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of adjustable lightning protection hardware, make it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of adjustable lightning protection hardware, overcoming the fault of construction of existing lightning protection hardware, can regulate discharging gap, expanding the scope of application of lightning protection hardware.
The adjustable lightning protection hardware of one that the present invention proposes, comprise line insulator, be arranged on the cross-arm of described line insulator lower end, be arranged on the ground plate between described cross-arm and line insulator, be arranged on line insulator side and be clamped in the wire-clamping device on wire, be arranged on the insulation starting rod of described wire-clamping device lower end, it is characterized in that: sheathed two-layer inside and outside described insulation starting rod, the skin of insulation starting rod is provided with the through hole of several vertical arrangements, the inner layer outer wall of insulation starting rod is provided with the holding block be fastened in described through hole, be connected by a flexible member between described holding block with the inner layer outer wall of insulation starting rod, the internal layer lower end of insulation starting rod is provided with striking Metal Ball.
Further, the T-shaped structure of described holding block, comprises main part and outwardly part, and described outwardly part is coincide with described via profiles, and described main part is fastened in inside described through hole.
Further, described flexible member is spring.
Further, the material of described fixed block is isolation material.
Further, described number of openings is four.
Further, described wire-clamping device is piercing wire clamp.
Further, described wire-clamping device is peeling shaped cable clamp.
Further, described ground plate is provided with the part that raises up, and described bossing is vertical corresponding with insulation starting rod.
By such scheme, the present invention at least has the following advantages: structure of the present invention is simple, easy to operate, only need the position of holding block in outer through hole on the inner layer outer wall of adjustment insulation starting rod, just can regulate the length of the starting rod that insulate, thus have adjusted the distance between striking Metal Ball and ground plate, make the insulator lightning protection hardware of different model can be mutually general, expand its scope of application, facilitate construction and safeguard.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be in structural representation of the present invention A to enlarged drawing.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1 and Fig. 2, the adjustable lightning protection hardware of one of a preferred embodiment of the present invention, anti-lightning strike for insulated conductor 2, this lightning protection hardware comprises line insulator 1, be arranged on the cross-arm 3 of line insulator 1 lower end, be arranged on the ground plate 4 between cross-arm 3 and line insulator 1, be arranged on line insulator 1 side and be clamped in the wire-clamping device 5 on insulated conductor 2, be arranged on the insulation starting rod 6 of wire-clamping device 5 lower end, sheathed two-layer inside and outside insulation starting rod 6, the skin of insulation starting rod 6 is provided with four vertical arrangements and equally distributed through hole 7, the inner layer outer wall of insulation starting rod 6 is provided with the holding block 8 be fastened in through hole 7, be connected by a flexible member between holding block 8 with the inner layer outer wall of insulation starting rod 6, the internal layer lower end of insulation starting rod 6 is provided with striking Metal Ball 9.In the present embodiment, the T-shaped structure of holding block 8, comprises main part and outwardly part, outwardly part is coincide with through hole 7 profile, and for being fastened in through hole 7, main part is fastened in inside described through hole 7, the material of holding block 8 is isolation material, and flexible member is spring.The part that the part that ground plate 4 phase epitaxy is stretched has a place to raise up, this bossing is corresponding with striking Metal Ball 9 vertical.In the present embodiment, wire-clamping device 5 is piercing wire clamp, and in other embodiments, this wire-clamping device 5 can also be peeling shaped cable clamp.
During installation, discharging gap can be adjusted according to the model of line insulator 1, namely ground plate 4 raise up part and striking Metal Ball 9 between vertical range, by the position of holding block 8 in outer through hole 7 on adjustment insulation starting rod 6 internal layer, regulate the distance of striking Metal Ball 9 to ground plate 4 bossing of insulation starting rod 6 internal layer lower end, holding block 8 is inwardly extruded, the internal layer of insulation starting rod 6 can move up and down between skin, after moving to desired location, by holding block 8 aligned through holes 7, the projection of holding block 8 is fastened in through hole 7, main part then fixes inside through hole 7, holding block 8 by the resist force of spring tightly be fastened in through hole 7, fix the ectonexine of insulation starting rod 6 thus.When occurring when being struck by lightning, electric discharge between insulation starting rod 6 and ground plate 4, make afterflow power frequency arc move to calcination on insulation starting rod 6, thus protection insulated conductor 2 is injury-free.
In sum, structure of the present invention is simple, easy to operate, only need the position of holding block 8 in outer through hole 7 on the inner layer outer wall of adjustment insulation starting rod 6, just can regulate the length of the starting rod 6 that insulate, thus have adjusted the distance between striking Metal Ball 9 and ground plate 4, make the insulator lightning protection hardware of different model can be mutually general, expand its scope of application, facilitate construction and safeguard.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. an adjustable lightning protection hardware, comprise line insulator, be arranged on the cross-arm of described line insulator lower end, be arranged on the ground plate between described cross-arm and line insulator, be arranged on line insulator side and be clamped in the wire-clamping device on wire, be arranged on the insulation starting rod of described wire-clamping device lower end, it is characterized in that: sheathed two-layer inside and outside described insulation starting rod, the skin of insulation starting rod is provided with the through hole of several vertical arrangements, the inner layer outer wall of insulation starting rod is provided with the holding block be fastened in described through hole, be connected by a flexible member between described holding block with the inner layer outer wall of insulation starting rod, the internal layer lower end of insulation starting rod is provided with striking Metal Ball.
2. the adjustable lightning protection hardware of one according to claim 1, it is characterized in that: the T-shaped structure of described holding block, comprise main part and outwardly part, described outwardly part is coincide with described via profiles, and described main part is fastened in inside described through hole.
3. the adjustable lightning protection hardware of one according to claim 1, is characterized in that: described flexible member is spring.
4. the adjustable lightning protection hardware of one according to claim 1, is characterized in that: the material of described fixed block is isolation material.
5. the adjustable lightning protection hardware of one according to claim 1, is characterized in that: described number of openings is four.
6. the adjustable lightning protection hardware of one according to claim 1, is characterized in that: described wire-clamping device is piercing wire clamp.
7. the adjustable lightning protection hardware of one according to claim 1, is characterized in that: described wire-clamping device is peeling shaped cable clamp.
8. the adjustable lightning protection hardware of one according to claim 1, is characterized in that: described ground plate is provided with the part that raises up, and described bossing is vertical corresponding with insulation starting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635133.6A CN104464983A (en) | 2014-11-12 | 2014-11-12 | Adjustable anti-thunder fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635133.6A CN104464983A (en) | 2014-11-12 | 2014-11-12 | Adjustable anti-thunder fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104464983A true CN104464983A (en) | 2015-03-25 |
Family
ID=52910908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410635133.6A Pending CN104464983A (en) | 2014-11-12 | 2014-11-12 | Adjustable anti-thunder fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104464983A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336454A (en) * | 2015-11-21 | 2016-02-17 | 国网江西省电力公司吉安供电分公司 | Discharge gap of 35kV line insulator string |
| CN107359025A (en) * | 2017-08-26 | 2017-11-17 | 苏州麦飞尔电子科技有限公司 | Utilize the lightning protection pillar insulator of elastic conduction coil increase discharging gap |
| CN109473869A (en) * | 2018-04-04 | 2019-03-15 | 国网浙江省电力公司金华供电公司 | A kind of adjustable power transmission line parallel-connection gap |
| CN111446626A (en) * | 2020-05-14 | 2020-07-24 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof fitting |
-
2014
- 2014-11-12 CN CN201410635133.6A patent/CN104464983A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336454A (en) * | 2015-11-21 | 2016-02-17 | 国网江西省电力公司吉安供电分公司 | Discharge gap of 35kV line insulator string |
| CN107359025A (en) * | 2017-08-26 | 2017-11-17 | 苏州麦飞尔电子科技有限公司 | Utilize the lightning protection pillar insulator of elastic conduction coil increase discharging gap |
| CN109473869A (en) * | 2018-04-04 | 2019-03-15 | 国网浙江省电力公司金华供电公司 | A kind of adjustable power transmission line parallel-connection gap |
| CN111446626A (en) * | 2020-05-14 | 2020-07-24 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof fitting |
| CN111446626B (en) * | 2020-05-14 | 2024-01-30 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof hardware fitting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104464983A (en) | Adjustable anti-thunder fitting | |
| KR20120040402A (en) | Power line supporting device for replacing insulator in transmission towers | |
| RU2577034C1 (en) | INTERPHASE SPACERS OF 35-1150 kV OVERHEAD POWER LINES | |
| CN102801123B (en) | 20KV sleeve | |
| CN204012185U (en) | The multi-functional lightning arrester of a kind of overhead transmission line adjustable clearance | |
| CN103594993A (en) | High-voltage and low-voltage lead cross arm | |
| CN204102652U (en) | A kind of external series gap Penetrative lightning arrester | |
| CN205189490U (en) | Insulating cross arm | |
| CN203690508U (en) | Ground wire earthing device used for 750kV live line | |
| CN204257304U (en) | A kind of glass insulator lightning protection hardware | |
| CN107607747A (en) | A kind of adaptive anticorona wire support bar of Existing during Partial Discharge Test for Transformer | |
| CN210032847U (en) | Cross arm | |
| CN204045809U (en) | A kind of jockey | |
| CN204068041U (en) | For the insulation isolation fixture of 10kV overhead distribution equipment | |
| CN105610116A (en) | Protection device having functions of lightning protection, electricity inspection and grounding, and protection method | |
| CN202949177U (en) | Wall bushing rain hat | |
| CN206059036U (en) | High pressure drainage thread hanging point device | |
| CN205029039U (en) | Lightning -arrest puncture earth clamp | |
| CN204597407U (en) | Special-shaped high-voltage wall bushing | |
| CN204537777U (en) | Arcing horn on anti-flashover parallel connection gaps | |
| CN205565709U (en) | Intelligence remote control prevents built on stilts insulation protection device | |
| CN205646729U (en) | High voltage electricity line conductor spontaneous heating ice -melt device | |
| CN205646797U (en) | Overvoltage protector for anti -thunder circuit | |
| CN204537775U (en) | The adjustable parallel connection gaps structure of linear insulator chain | |
| CN203617657U (en) | High-voltage and low-voltage lead cross arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |