CN207994340U - A kind of parallel clearance lightning protection device - Google Patents
A kind of parallel clearance lightning protection device Download PDFInfo
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- CN207994340U CN207994340U CN201820477875.4U CN201820477875U CN207994340U CN 207994340 U CN207994340 U CN 207994340U CN 201820477875 U CN201820477875 U CN 201820477875U CN 207994340 U CN207994340 U CN 207994340U
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- conductive column
- protection device
- insulator
- lightning protection
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Abstract
The utility model is related to lightning protection device technical fields, especially a kind of parallel clearance lightning protection device, including insulator, it is plugged with conducting rod in the support tube, and the outer end of support tube is equipped with telescopic adjustment knob corresponding with conducting rod, two conducting rods of left and right homonymy are connected between one end of middle part insulator by conducting ring.Link block is fixed together, rotate adjusting bolt, adjusting bolt drives fixed plate movement, squeeze conductive column, thus it is adapted to the conductive column of different-diameter, use scope is wider, then tightening knob is unscrewed, pass through socket, conducting ring is put on, it is moved back to slide cartridge and fixation, conducting rod injects support tube, pass through telescopic adjustment knob, it can up and down adjustment distance, thus it is adapted to the insulator chain of different length, accommodation is wider, using more convenient, replacement is also convenient for, discharging gap is formed between upper and lower two conducting rings, parallel circuit is formed between insulator chain, when meeting with lightning stroke, the distance between two conducting rings closer to, preferential discharge, protect insulator well.
Description
Technical field
The utility model is related to lightning protection device technical field more particularly to a kind of parallel clearance lightning protection devices.
Background technology
Transmission line of electricity Thunder Protection always is the considerable content in power department safe operation and maintenance work,
Lightning stroke trip failure is also to perplex a problem of countries in the world power grid security power supply.Caused punching when transmission line of electricity is struck by lightning
Flashover is hit, line insulator flashover is caused, then generates prodigious power frequency continued flow, insulator chain and gold utensil is usually damaged, causes
Circuit breaking accident happens occasionally." blocking type " the lightning protection mode used at present is (as set up lightning conducter, reducing tower grounding
Resistance reinforces insulation and installs the modes such as coupling ground wire additional), due to the complexity of lightening activity, it cannot still be fully solved power line
The damage to crops caused by thunder problem on road, thus power department propose in recent years using between the shaft tower and conducting wire of transmission line of electricity coupling part it is exhausted
Edge substring side installs parallel connection gaps additional to realize to power line protection.Specifically, i.e. in the insulator chain for being resistant to each step voltage
Both ends a pair of metal electrode for being less than insulator chain electrical distance in parallel, overhead transmission line generate very by when being struck by lightning on insulator chain
High lightning surge, but the discharge voltage because of the lightning impulse flashover voltage of parallel connection gaps less than exhausted substring, therefore parallel connection gaps
It discharges first；The power frequency arc of connecting is formed by discharge channel, quilt under electric power and thermal stress effect by parallel connection gaps
Metal electrode end is led to, is fixed between two ends of metal electrode and burns, to protect insulator from electric arc calcination,
And then protect the safe operation of overhead transmission line；Typical parallel gap lightning protection device bulletin in such as on March 23rd, 2005
Notification number be CN2687923Y patent《Overhead circuit parallel gap lightning protection device》.But between its lateral electrode
Distance fix, and some insulator chains are long, are thus inconvenient to adjust the distance between lateral electrode, influence sensitivity of discharging.
Utility model content
Purpose of the utility model is to solve the sides that parallel clearance lightning protection device in the market exists in the prior art
The distance between electrode is fixed, the shortcomings that cannot being adjusted according to the insulator chain of different length, and between a kind of parallel connection proposed
Gap lightning protection device.
To achieve the goals above, the utility model uses following technical solution：
A kind of parallel clearance lightning protection device, including insulator are designed, is had on the insulator multiple and neighbouring
It is connected by conductive column between two insulators, two stripper plates in left and right is socketed on the conductive column of lower side and top side,
And stripper plate is directed toward the arc-shaped of conductive column in the center of circle, side is equipped with connection before and after the opposite one end of two stripper plates of left and right homonymy
Block, and connected by fastening bolt between corresponding two link blocks, two equal spiral shells in the opposite one end of link block of left and right homonymy
Line is connected with adjusting bolt, and the end of thread of adjusting bolt is directed toward conductive column, and the end of thread of the adjusting bolt is rotatably connected to
Fixed plate, and fixed plate is directed toward the arc-shaped of conductive column in the center of circle, the fixed plate is against on conductive column, two of left and right homonymy
The opposite one end of stripper plate is equipped with connecting rod, and the other end of connecting rod is equipped with the vertical support tube that upper and lower side is open,
Conducting rod is plugged in the support tube, and the outer end of support tube is equipped with telescopic adjustment knob corresponding with conducting rod, left and right is same
Two conducting rods of side are connected between one end of middle part insulator by conducting ring.
Preferably, socket is offered on the conducting ring, and is socketed with the adaptable slide cartridge of shape, the cunning on conducting ring
It is connected by tightening knob between cylinder and conducting ring.
Preferably, it is connected by taper roll bearing between the adjusting bolt and fixed plate.
Preferably, the one end of the conducting rod far from conducting ring is connected with Antisliding bolt.
Preferably, it is welded to connect between the conducting ring and conducting rod.
The utility model proposes a kind of parallel clearance lightning protection device, advantageous effect is：Insulator and conductive column installation
After good, the two forms insulator chain, and two stripper plates are sleeved on conductive column, select here be top side one and it is most lower
One of side, screws fastening bolt, link block is fixed together, and rotates adjusting bolt, and adjusting bolt drives fixed plate movement,
Conductive column is squeezed, is thus adapted to the conductive column of different-diameter, use scope is wider, then unscrews tightening knob, passes through
Socket puts on conducting ring, is moved back to slide cartridge and fixation, conducting rod injects support tube can be upper and lower by telescopic adjustment knob
Adjustable range is thus adapted to the insulator chain of different length, and accommodation is wider, and using more convenient, replacement is also convenient for,
Discharging gap is formed between upper and lower two conducting rings, forms parallel circuit between insulator chain, when meeting with lightning stroke, two conductions
The distance between ring is closer to preferential discharge protects insulator well.
Description of the drawings
Fig. 1 be the utility model proposes a kind of parallel clearance lightning protection device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of parallel clearance lightning protection device front view.
In figure：1 insulator, 2 conductive columns, 3 stripper plates, 4 link blocks, 5 adjusting bolts, 6 fixed plates, 7 connecting rods, 8 supports
Cylinder, 9 conducting rods, 10 conducting rings, 11 sockets, 12 slide cartridges, 13 Antisliding bolts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of parallel clearance lightning protection device, including insulator 1, have on insulator 1 it is multiple, and up and down
It is connected by conductive column 2 between two neighboring insulator 1, this is the prior art and structure, the conduction of lower side and top side
Two stripper plates 3 in left and right are socketed on column 2, and stripper plate 3 is directed toward arc-shaped, the left and right homonymy two of conductive column 2 in the center of circle
Side is equipped with link block 4 before and after the opposite one end of stripper plate 3, and is connected by fastening bolt between corresponding two link blocks 4,
One end that two link blocks 4 of left and right homonymy are opposite is threaded with adjusting bolt 5, and the end of thread of adjusting bolt 5 is directed toward
Conductive column 2.
The end of thread of adjusting bolt 5 is rotatably connected to fixed plate 6, passes through taper roller between adjusting bolt 5 and fixed plate 6
Bearing connects, and is convenient for axially loaded, and fixed plate 6 is directed toward the arc-shaped of conductive column 2 in the center of circle, fixed plate 6 is against conductive column 2
On, two opposite one end of stripper plate 3 of left and right homonymy are equipped with connecting rod 7, and the other end of connecting rod 7 is equal equipped with upper and lower side
The vertical support tube 8 of opening, is plugged with conducting rod 9 in support tube 8, and the outer end of support tube 8 be equipped with it is corresponding with conducting rod 9
Two conducting rods 9 of telescopic adjustment knob, left and right homonymy are connected between one end of middle part insulator 1 by conducting ring 10,
The one end of conducting rod 9 far from conducting ring 10 is connected with Antisliding bolt 13, prevents from slipping, and is welded between conducting ring 10 and conducting rod 9
Connection, more solid, stability is also more preferable, and socket 11 is offered on conducting ring 10, and is socketed with shape on conducting ring 10 and is adapted
Slide cartridge 12, connected by tightening knob between slide cartridge 12 and conducting ring 10, socket 11 is easy for the installation of conducting ring 10, more square
Just.
After insulator 1 and conductive column 2 install, the two forms insulator chain, and two stripper plates 3 are sleeved on conductive column 2
On, that select here is one of top side one and lower side, screws fastening bolt, link block 4 is fixed together, and is rotated
Adjusting bolt 5, adjusting bolt 5 drive fixed plate 6 to move, and squeeze conductive column 2, are thus adapted to the conductive column of different-diameter
2, use scope is wider, then unscrews tightening knob, and by socket 11, conducting ring 10 is put on, and is moved back to slide cartridge 12 and fixes, leads
Electric pole 9 injects support tube 8, by telescopic adjustment knob, can up and down adjustment distance, be thus adapted to different length
Insulator chain, accommodation is wider, and using more convenient, replacement is also convenient for, and discharging gap is formed between upper and lower two conducting rings 10,
Parallel circuit is formed between insulator chain, by wired earth, the conductive column 2 far from ground connects the stripper plate 3 close to ground
High-voltage line is connect, when meeting with lightning stroke, electric current is along conductive column 2, fixed plate 6, adjusting bolt 5, stripper plate 3, connecting rod 7, support tube 8
Conducting ring 10 is arrived with conducting rod 9, the distance between two conducting rings 10 are closer to preferential insulator chain electric discharge protects well
Insulator 1.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of parallel clearance lightning protection device, including insulator (1), which is characterized in that had on the insulator (1) more
It is a, and connected by conductive column (2) between neighbouring two insulators (1), on the conductive column (2) of lower side and top side
Two stripper plates (3) in left and right are socketed with, and stripper plate (3) is directed toward the arc-shaped of conductive column (2) in the center of circle, left and right homonymy two squeezes
Side is equipped with link block (4) before and after the opposite one end of pressing plate (3), and passes through fastening bolt between corresponding two link blocks (4)
Connection, two opposite one end of link block (4) of left and right homonymy are threaded with adjusting bolt (5), and adjusting bolt (5)
The end of thread is directed toward conductive column (2), and the end of thread of the adjusting bolt (5) is rotatably connected to fixed plate (6), and fixed plate (6) is in
The arc-shaped of conductive column (2) is directed toward in the center of circle, and the fixed plate (6) is against on conductive column (2), two stripper plates of left and right homonymy
(3) opposite one end is equipped with connecting rod (7), and the other end of connecting rod (7) is equipped with the vertical support that upper and lower side is open
Cylinder (8), the support tube (8) is interior to be plugged with conducting rod (9), and the outer end of support tube (8) is equipped with stretch corresponding with conducting rod (9)
Two conducting rods (9) of contracting adjusting knob, left and right homonymy are connected between one end of middle part insulator (1) by conducting ring (10)
It connects.
2. a kind of parallel clearance lightning protection device according to claim 1, which is characterized in that opened up on the conducting ring (10)
There is socket (11), and is socketed with the adaptable slide cartridge (12) of shape, the slide cartridge (12) and conducting ring (10) on conducting ring (10)
Between connected by tightening knob.
3. a kind of parallel clearance lightning protection device according to claim 1, which is characterized in that the adjusting bolt (5) with it is solid
Fixed board is connected between (6) by taper roll bearing.
4. a kind of parallel clearance lightning protection device according to claim 1, which is characterized in that the conducting rod (9) is separate to lead
One end of electric ring (10) is connected with Antisliding bolt (13).
5. a kind of parallel clearance lightning protection device according to claim 1, which is characterized in that the conducting ring (10) and conduction
Bar is welded to connect between (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477875.4U CN207994340U (en) | 2018-04-05 | 2018-04-05 | A kind of parallel clearance lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477875.4U CN207994340U (en) | 2018-04-05 | 2018-04-05 | A kind of parallel clearance lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994340U true CN207994340U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820477875.4U Active CN207994340U (en) | 2018-04-05 | 2018-04-05 | A kind of parallel clearance lightning protection device |
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| CN (1) | CN207994340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933641A (en) * | 2021-12-20 | 2022-01-14 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network clearance time-varying arc light grounding fault simulation test method |
-
2018
- 2018-04-05 CN CN201820477875.4U patent/CN207994340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933641A (en) * | 2021-12-20 | 2022-01-14 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network clearance time-varying arc light grounding fault simulation test method |
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