CN212209082U - Drop-out lightning arrester - Google Patents
Drop-out lightning arrester Download PDFInfo
- Publication number
- CN212209082U CN212209082U CN202021004712.8U CN202021004712U CN212209082U CN 212209082 U CN212209082 U CN 212209082U CN 202021004712 U CN202021004712 U CN 202021004712U CN 212209082 U CN212209082 U CN 212209082U
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- safety cover
- fixed
- arrester main
- arrester
- drop
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- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 239000012212 insulator Substances 0.000 claims abstract description 19
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a drop-out arrester, including post insulator, post insulator's top is fixed with electrically conductive support, and electrically conductive support's bottom mounting has the holding ring, and the arrester main part has been inserted to the inside of holding ring, and the fixed surface of arrester main part has the limiting plate, and the bottom mounting of arrester main part has the disconnector, and the surface of arrester main part is covered with first safety cover and second safety cover, and the side of first safety cover is fixed with the connecting rod, the other end and the post insulator fixed connection of connecting rod. The disconnector drives the lightning arrester main body to fall downwards, and is clamped on the top end of the second protective cover through the limiting plate, so that the lightning arrester main body is smoothly separated from the conductive support and is withdrawn from the operation, and the lightning arrester main body is prevented from falling. The first protective cover and the second protective cover are used, the lightning arrester main body can be protected from being damaged by non-lightning strikes, and the lightning arrester main body is simple and convenient to disassemble and maintain.
Description
Technical Field
The utility model belongs to the technical field of the arrester, specifically be drop-out arrester.
Background
The lightning arrester is an electrical appliance which is used for protecting electrical equipment from being damaged by high transient overvoltage when lightning stroke occurs under the condition of thunderstorm weather, and limiting follow current time and follow current amplitude.
The Chinese invention with an authorization notice number CN208077711U specially facilitates 2018, 11 and 9, and discloses a drop-out arrester with high safety. The utility model adopts the technical proposal that: a drop-out arrester comprises an insulator and an arrester main body, wherein the top of a conductive support is also provided with an anti-drop assembly, and the anti-drop assembly comprises a vertical rod, a guide pulley and a traction rope; the vertical rod is positioned in the middle of the conductive support, and the guide pulley is positioned at one end of the conductive support close to the lightning arrester main body; one end of the traction rope is connected with one end of a spiral spring, and the other end of the spiral spring is connected with the upright post; the other end of the traction rope is connected with the upper end of the arrester main body after bypassing the guide pulley. The utility model discloses can effectually prevent that the arrester main part from directly falling when overturning, improve the security.
The existing drop-out arrester is mainly characterized in that the upper end of an arrester main body overturns around the hinged center of a falling part, so that the upper end of the arrester main body is separated from a conductive support to exit from operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drop-out arrester to solve because the drop-out arrester is in outdoor for a long time, the articulated center of falling the piece can appear coagulates such as dust, leads to articulated center to block, makes the problem of the unable upset of arrester main part.
In order to achieve the above object, the utility model provides a following technical scheme: drop-out arrester, including post insulator, post insulator's top is fixed with electrically conductive support, electrically conductive support's bottom mounting has the holding ring, the inside of holding ring has inserted the arrester main part, the fixed surface of arrester main part has the limiting plate, the bottom mounting of arrester main part has the disconnector, the surface cover of arrester main part has first safety cover and second safety cover, the side of first safety cover is fixed with the connecting rod, the other end and the post insulator fixed connection of connecting rod.
Preferably, a first spring is fixed at the top end of the first protection cover, a first buffer plate is fixed at the top end of the first spring, a second spring is fixed at the top end of the second protection cover, and a second buffer plate is fixed at the top end of the second spring.
Preferably, open the top of first safety cover has first semicircle hole, open the bottom of first safety cover has the second semicircle orifice, open the top of second safety cover has the third semicircle orifice, open the bottom of second safety cover has the fourth semicircle orifice, the side of first safety cover is fixed with first mounting plate, the side of second safety cover is fixed with the second mounting plate, the side screw thread of first mounting plate and second mounting plate has passed fastening bolt.
Preferably, the baffle is installed to the bottom of second safety cover, the one end of baffle is provided with the hinge, the top of baffle is connected with the extension spring.
Preferably, the post insulator is perpendicular to the conductive support, the holding ring is perpendicular to the conductive support, the arrester main part is perpendicular to the conductive support, the limiting plate is parallel to the conductive support, the first protective cover and the second protective cover form a rectangular protective cover and cover the surface of the arrester main part.
Preferably, the first semicircle orifice and the third semicircle orifice are combined into a round orifice, the second semicircle orifice and the fourth semicircle orifice are combined into a round orifice, and the radiuses of the first semicircle orifice, the second semicircle orifice, the third semicircle orifice and the fourth semicircle orifice are all equal.
Preferably, first mounting plate and second mounting plate size equal and align each other, first mounting plate passes through fastening bolt and is connected with the second mounting plate, first safety cover is connected with the second safety cover through first mounting plate and second mounting plate.
Preferably, the baffle passes through the hinge and is connected with the second safety cover, the other end and the second safety cover of extension spring are connected.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the disconnector falls downwards, drives the arrester main part and falls downwards, blocks first safety cover and second safety cover top through the limiting plate, not only makes the arrester main part separate smoothly with electrically conductive support and withdraw from the operation, avoids the arrester main part to drop again, conveniently overhauls the arrester main part.
2. The first protective cover and the second protective cover are used, the lightning arrester main body can be protected from being damaged by non-lightning strikes, and the lightning arrester main body is simple and convenient to disassemble and maintain.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the drop structure of the detacher of fig. 1 according to the present invention;
3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 the 3 direction 3 a 3- 3 a 3 of 3 fig. 3 1 3 according 3 to 3 the 3 present 3 invention 3. 3
In the figure: 1. a post insulator; 2. a lightning arrester main body; 3. a connecting rod; 4. a first protective cover; 5. a first semicircular hole; 6. a first spring; 7. a first buffer plate; 8. a baffle plate; 9. a positioning ring; 10. a limiting plate; 11. a second buffer plate; 12. a second spring; 13. a third semicircular hole; 14. a second protective cover; 15. A fourth semicircular hole; 16. a second semicircular hole; 17. a separator; 18. a first fastening plate; 19. a second fastening plate; 20. fastening a bolt; 21. a conductive support; 22. a tension spring; 23. and (7) a hinge.
Detailed Description
Referring to fig. 1 and 2, the drop-out arrester includes a post insulator 1, a conductive support 21 is fixed on a top end of the post insulator 1, the post insulator 1 is perpendicular to the conductive support 21, a positioning ring 9 is fixed on a bottom end of the conductive support 21, and the positioning ring 9 is perpendicular to the conductive support 21 and is located on one side of the post insulator 1.
Referring to fig. 1 and 2, the arrester main body 2 is inserted into the positioning ring 9, the top end of the arrester main body 2 contacts the bottom end of the conductive support 21, and the arrester main body 2 is perpendicular to the conductive support 21; the surface of the lightning arrester main body 2 is fixed with a limiting plate 10, the limiting plate 10 is positioned between the locating ring 9 and the first protective cover 4, and the limiting plate 10 is parallel to the conductive bracket 21.
Referring to fig. 1 and 3, a separator 17 is fixed to the bottom end of the arrester main body 2, and the bottom end of the separator 17 is flush with the bottom end of the second protection cover 14 and is perpendicular to the bottom end of the second protection cover 14; the surface of the lightning arrester main body 2 is covered with the first protective cover 4 and the second protective cover 14, the first protective cover 4 and the second protective cover 14 form a rectangular protective cover and cover the surface of the lightning arrester main body 2, so that the lightning arrester main body 2 can be protected from non-lightning damage, such as artificial damage, and the normal operation of the drop-out lightning arrester is ensured; the side of the first protective cover 4 is fixed with a connecting rod 3, and the other end of the connecting rod 3 is fixedly connected with the post insulator 1.
Referring to fig. 1 and 3, a first spring 6 is fixed at the top end of the first protection cover 4, a first buffer plate 7 is fixed at the top end of the first spring 6, a second spring 12 is fixed at the top end of the second protection cover 14, a second buffer plate 11 is fixed at the top end of the second spring 12, and the first buffer plate 7 and the second buffer plate 11 are both located below the limiting plate 10.
Referring to fig. 1 and 2, when the arrester main body 2 is driven by the disconnector 17 to fall downwards, the limiting plate 10 falls on the top ends of the first buffer plate 7 and the second buffer plate 11, the limiting plate 10 is buffered by the first buffer plate 7 and the second buffer plate 11, and the arrester main body 2 is buffered, so that the arrester main body 2 is still located inside the first protective cover 4 and the second protective cover 14, the arrester main body 2 is protected, and the arrester main body 2 is prevented from falling off and being damaged on the ground.
Referring to fig. 1 and 3, a first semicircular hole 5 is formed at the top end of the first protection cover 4, and the first semicircular hole 5 and the third semicircular hole 13 are combined to form a circular hole and surround the lightning arrester main body 2; the bottom end of the first protective cover 4 is provided with a second semicircular hole 16, and the second semicircular hole 16 and the fourth semicircular hole 15 are combined into a circular hole and surround the lightning arrester main body 2; the top of the second protective cover 14 is provided with a third semicircular hole 13, the bottom of the second protective cover 14 is provided with a fourth semicircular hole 15, and the radiuses of the first semicircular hole 5, the second semicircular hole 16, the third semicircular hole 13 and the fourth semicircular hole 15 are equal.
Referring to fig. 1 and 3, a first fastening plate 18 is fixed to a side surface of the first protection cover 4, a second fastening plate 19 is fixed to a side surface of the second protection cover 14, the first fastening plate 18 and the second fastening plate 19 are equal in size and are aligned with each other, a fastening bolt 20 penetrates through side threads of the first fastening plate 18 and the second fastening plate 19, the first fastening plate 18 is connected with the second fastening plate 19 through the fastening bolt 20, the first protection cover 4 and the second protection cover 14 are connected with the second fastening plate 19 through the first fastening plate 18, and therefore the overhaul personnel can conveniently dismantle and install and replace parts.
Referring to fig. 1 and 2, a baffle 8 is mounted at the bottom end of the second protective cover 14, one end of the baffle 8 is located below the disconnector 17 and supports the disconnector 17 and the arrester main body 2, and the contact length between the baffle 8 and the bottom end of the disconnector 17 is short, so that the disconnector 17 can press down the baffle 8 and drive the arrester main body 2 to fall down; one end of the baffle plate 8 is provided with a hinge 23, and the baffle plate 8 is connected with the second protective cover 14 through the hinge 23; the top end of baffle 8 is connected with extension spring 22, and the other end of extension spring 22 passes fourth semicircle orifice 15 and is connected with second safety cover 14, holds baffle 8.
The working principle of the scheme is as follows: the conductive support 21 is fixed on the top end of the post insulator 1, the first protective cover 4 and the second protective cover 14 are connected and combined into a protective cover through the first fastening plate 18 and the second fastening plate 19, and are arranged below the conductive support 21, the inner part of the protective cover penetrates through the lightning arrester main body 2, and the top end of the lightning arrester main body 2 is inserted into the positioning ring 9 and is contacted with the conductive support 21.
The bottom end of the lightning arrester main body 2 is fixed with a disconnector 17, and the surface of the lightning arrester main body 2 is fixed with a limit plate 10. The top end of the first protective cover 4 is provided with a first buffer plate 7, and the top end of the second protective cover 14 is provided with a second buffer plate 11; baffle 8 is mounted below second protective cover 14 by means of hinge 23 and tension spring 22.
When the lightning arrester main body 2 has an abnormal fault, the disconnector 17 is actuated by using the power frequency short-circuit current flowing in the lightning arrester main body 2, so that the grounding end of the disconnector 17 is automatically disconnected, and the lightning arrester main body 2 exits from the system operation.
At the same time, the separator 17 falls downward, and the bottom end of the separator 17 presses the baffle 8 down and falls out of the second protective cover 14 and the first protective cover 4, and drives the arrester main body 2 to fall downward.
The top of arrester main part 2 and the bottom separation of electrically conductive support 21, and withdraw from the inside of holding ring 9, limiting plate 10 falls on the top of first buffer board 7 and second buffer board 11, first buffer board 7 and second buffer board 11 cushion limiting plate 10, and then cushion arrester main part 2, make arrester main part 2 still be located inside first safety cover 4 and the 14 inside second safety covers, both make arrester main part 2 and electrically conductive support 21 separate smoothly and withdraw from the operation, avoid arrester main part 2 to drop ground damage again, protect arrester main part 2.
The fastening bolt 20 is removed, the first protective cover 4 and the second protective cover 14 are separated, and the lightning arrester main body 2 can be overhauled and maintained simply and conveniently.
Claims (8)
1. Drop-out arrester, including post insulator (1), its characterized in that: the top of post insulator (1) is fixed with electrically conductive support (21), the bottom mounting of electrically conductive support (21) has holding ring (9), arrester main part (2) have been inserted to the inside of holding ring (9), the fixed surface of arrester main part (2) has limiting plate (10), the bottom mounting of arrester main part (2) has disconnector (17), the surface cover of arrester main part (2) has first safety cover (4) and second safety cover (14), the side of first safety cover (4) is fixed with connecting rod (3), the other end and post insulator (1) fixed connection of connecting rod (3).
2. A drop-out arrester as claimed in claim 1, characterized in that: the top of first safety cover (4) is fixed with first spring (6), the top of first spring (6) is fixed with first buffer board (7), the top of second safety cover (14) is fixed with second spring (12), the top of second spring (12) is fixed with second buffer board (11).
3. A drop-out arrester as claimed in claim 2, characterized in that: open the top of first safety cover (4) has first semicircle hole (5), open the bottom of first safety cover (4) has second semicircle hole (16), open the top of second safety cover (14) has third semicircle hole (13), open the bottom of second safety cover (14) has fourth semicircle hole (15), the side of first safety cover (4) is fixed with first mounting plate (18), the side of second safety cover (14) is fixed with second mounting plate (19), fastening bolt (20) have been passed to the side screw thread of first mounting plate (18) and second mounting plate (19).
4. A drop-out arrester as claimed in claim 3, characterized in that: baffle (8) are installed to the bottom of second safety cover (14), the one end of baffle (8) is provided with hinge (23), the top of baffle (8) is connected with extension spring (22).
5. A drop-out arrester as claimed in claim 1, characterized in that: post insulator (1) is perpendicular with electrically conductive support (21), holding ring (9) are perpendicular with electrically conductive support (21), arrester main part (2) are perpendicular with electrically conductive support (21), limiting plate (10) are parallel with electrically conductive support (21), first safety cover (4) and second safety cover (14) constitute the rectangle safety cover and cover on the surface of arrester main part (2).
6. A drop-out arrester as claimed in claim 3, characterized in that: first semicircle orifice (5) and third semicircle orifice (13) make up into the round hole, second semicircle orifice (16) and fourth semicircle orifice (15) make up into the round hole, the radius homoenergetic of first semicircle orifice (5), second semicircle orifice (16), third semicircle orifice (13) and fourth semicircle orifice (15) equals.
7. A drop-out arrester as claimed in claim 3, characterized in that: the first fastening plate (18) and the second fastening plate (19) are equal in size and are aligned with each other, the first fastening plate (18) is connected with the second fastening plate (19) through fastening bolts (20), and the first protective cover (4) and the second protective cover (14) are connected with the second fastening plate (19) through the first fastening plate (18).
8. A drop-out arrester as claimed in claim 4, characterized in that: baffle (8) are connected with second safety cover (14) through hinge (23), the other end and the second safety cover (14) of extension spring (22) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021004712.8U CN212209082U (en) | 2020-06-04 | 2020-06-04 | Drop-out lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021004712.8U CN212209082U (en) | 2020-06-04 | 2020-06-04 | Drop-out lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209082U true CN212209082U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021004712.8U Active CN212209082U (en) | 2020-06-04 | 2020-06-04 | Drop-out lightning arrester |
Country Status (1)
| Country | Link |
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| CN (1) | CN212209082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885548A (en) * | 2021-04-29 | 2021-06-01 | 山东广域科技有限责任公司 | Electromagnetic lightning arrester for oil field |
| CN113593796A (en) * | 2021-08-02 | 2021-11-02 | 芜湖市凯鑫避雷器有限责任公司 | Drop-out arrester for power supply line |
| CN115762936A (en) * | 2022-11-01 | 2023-03-07 | 深圳供电局有限公司 | Detachable intelligence arrester |
-
2020
- 2020-06-04 CN CN202021004712.8U patent/CN212209082U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885548A (en) * | 2021-04-29 | 2021-06-01 | 山东广域科技有限责任公司 | Electromagnetic lightning arrester for oil field |
| CN112885548B (en) * | 2021-04-29 | 2021-11-05 | 山东广域科技有限责任公司 | Electromagnetic lightning arrester for oil field |
| CN113593796A (en) * | 2021-08-02 | 2021-11-02 | 芜湖市凯鑫避雷器有限责任公司 | Drop-out arrester for power supply line |
| CN113593796B (en) * | 2021-08-02 | 2022-06-24 | 芜湖市凯鑫避雷器有限责任公司 | Drop-out arrester for power supply line |
| CN115762936A (en) * | 2022-11-01 | 2023-03-07 | 深圳供电局有限公司 | Detachable intelligence arrester |
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