CN201639287U - All-insulated falling type arrestor with turn-over device - Google Patents
All-insulated falling type arrestor with turn-over device Download PDFInfo
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- CN201639287U CN201639287U CN2010201538432U CN201020153843U CN201639287U CN 201639287 U CN201639287 U CN 201639287U CN 2010201538432 U CN2010201538432 U CN 2010201538432U CN 201020153843 U CN201020153843 U CN 201020153843U CN 201639287 U CN201639287 U CN 201639287U
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- lightning arrester
- drop type
- control device
- dropping control
- static contact
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Abstract
The utility model relates to a novel falling type arrestor comprising a falling type frame, an arrestor unit, a turn-over device, a disconnector and an insulating cover, wherein the turn-over device is a crank double-shaft lever, an insulation supporting seat which is connected with the disconnector is arranged under the arrestor unit, the disconnector leads the turn-over device to turn over after generating a disconnectiong action, thereby the insulation supporting seat is driven to turn over the arrestor unit from the falling type frame, therefore, a moving contact arranged above the arrestor is disconnected with a static contact of the upper end of the falling type frame, and the insulating cover covers all metal parts of the upper end of the falling type frame. The utility model has the advantages of simple structure, quick disconnection, reliable action, all insulation of a high-voltage end, safer operation, and the like.
Description
Technical field
The utility model relates to a kind of arrester device.In particular, relate to a kind of with the novel all insulation drop type lightning arrester that turns over dropping control device.
Background technology
Lightning arrester is the important overvoltage protection of electric power system, will cause line tripping and power transmission and transforming equipment to damage in case occur damaging; And owing to when lightning arrester regular maintenance and the dismounting of damage back, also will have a power failure; Therefore all can cause huge direct and indirect economic loss every year.So how to make lightning arrester line outage out of service and unlikely automatically after fault, can find the lightning arrester of fault easily and can not have a power failure and change easily, be to need the further problem of research at present.
Constantly had the research and development of various detachables, throwing type, drop type arrester device to use in recent years, such device exists complex structure, slow motion, the exposed shortcoming that waits outside of high-pressure side mostly.For example, denomination of invention is " a drop type lightning arrester ", and the patent No. is: the Chinese utility model patent of ZL01218207.9 discloses a kind of drop type lightning arrester, it is characterized in that the fault release is housed on the lightning arrester body, the advantage that comes off automatically when having thunderbolt; But there is the slewing equipment complexity in it, just can work by a series of mechanisms such as fault release and lead, triggering latch hook, torsion spring, switch blocks, and have slow motion, the exposed shortcoming that waits outside of high-voltage terminal.Denomination of invention is " a quick-release type lightning arrester ", the patent No. is: the Chinese utility model patent of ZL03255350.1 discloses a kind of quick-release type lightning arrester, it is characterized in that lightning arrester body has moving contact and lower moving contact, have can be under situation about not having a power failure the advantage of fast quick-detach; But existence can not be fallen automatically, the exposed shortcoming that waits outside of high-voltage terminal.Denomination of invention is " a kind of arrester device ", and the patent No. is: the Chinese utility model patent of ZL200620014118.0 discloses a kind of arrester device, it is characterized in that lightning arrester passes through hook and is connected with stake body, has dismountable advantage; But also there are lightning arrester unit replacement inconvenience, the exposed shortcoming that waits outside of high-voltage terminal.Generally speaking, present arrester device all exists complex structure, slow motion, high-pressure side exposed outside and uneasy congruent problem has certain application limitation.
The utility model content
Technical problem to be solved in the utility model is, above-mentioned defective at prior art provides a kind of arrester device, the insulation safety in the time of can satisfying lightning arrester and normally move, can when the lightning arrester fault, in time turn over disengaging operation and discovery easily again smoothly, be convenient to charged for replacement simultaneously.
The technical solution adopted in the utility model is:
A kind ofly comprise drop type framework, lightning arrester unit, turn over dropping control device, disconnector and insulating cover with the novel all insulation drop type lightning arrester that turns over dropping control device, the described dropping control device that turns over is the twin shaft lever of cranking arm; Below, described lightning arrester unit is an insulated leg that is connected with disconnector, top, described lightning arrester unit is a moving contact that is connected with the static contact panel of drop type framework upper end, described disconnector causes turning over the dropping control device upset after action takes place to break away from, make the lightning arrester unit turn over from the drop type framework thereby drive insulated leg, lightning arrester top moving contact disconnects with described drop type framework upper end static contact panel and being connected; Described insulating cover has wrapped up all metal parts of drop type framework upper end.
Wherein, the described dropping control device that turns over is the twin shaft lever of cranking arm, and its ancon of cranking arm is provided with a pair of gudgeon.The below of described drop type framework is provided with a trunnion base, and gudgeon is assemblied in can be along rotational in the trunnion base.The top of turning over dropping control device is provided with an axis hole, is connected by the axis hole of pivot pin with the insulated leg end of below, lightning arrester unit; The described outboard end that turns over dropping control device is a forked type structure, and it is fixed on the bolt of disconnector lower end; Described inboard of turning over dropping control device is a camber structure, and its spring bearer plate with drop type framework below contacts to form and is electrically connected.
Wherein, below, described lightning arrester unit is an insulated leg, and the one end is provided with a screw, and is fixed on the below of lightning arrester unit by screw bolt and nut; The other end is provided with an axis hole, is connected with axis hole on turning over dropping control device by a pivot pin.
Wherein, described drop type framework comprises insulation column, upper end static contact head device, lower end support frame device; The upper end metal segment proximal of described insulation column is wrapped up by silicon rubber, and far-end is provided with installing hole to connect with the upper end static contact head device.
Wherein, described upper end static contact head device includes a static contact panel, extinguishing arc fork, a securing cover plate, a spring and line ball folder.Described static contact panel is provided with a circular groove.
Wherein, described lower end support frame device includes a fixed base plate, a trunnion base, a spring bearer plate and one group of bolt and nut.Be provided with two through holes in the middle of the described fixed base plate, be connected in the below of insulation column thus by two bolts; The outboard end of described fixed base plate is provided with two through holes, is used for installing and fixing of drop type lightning arrester of the present utility model; There is a through hole inboard of described fixed base plate, is connected with spring bearer plate with trunnion base by one group of bolt and nut.
Wherein, described insulating cover has wrapped up all metal parts of drop type framework upper end, and there is an opening its outer below, and the moving contact that holds on the lightning arrester unit is come in and gone out, and there is an opening its top, holds the high-pressure side lead and comes in and goes out.
As mentioned above as can be known, have the utility model drop type lightning arrester of said structure characteristics, compared with the prior art, the advantage that has is:
(1), owing to adopted the novel dropping control device that turns over, substituted complicated lead, triggered the assembly that latch hook, torsion spring, switch block etc. constitute with the twin shaft lever construction of simply cranking arm, it is rapider more reliable to turn over action, and the lightning arrester unit can successfully turn over disengaging operation and discovery easily fast during fault from the drop type framework.
(2), owing to adopted insulating shield, the high-pressure side when lightning arrester normally moves to be insulated guard shield parcel, avoided branch, the unexpected contact of animal and human and caused short circuit ground connection or personal safety accident.
(3), since structure ingenious and simple, have the lower advantage of cost.
Description of drawings
Fig. 1 is the front view of the utility model drop type lightning arrester one embodiment;
Fig. 2 is the outside drawing of drop type lightning arrester shown in Figure 1;
Fig. 3 is the structural representation of the utility model drop type lightning arrester;
Fig. 4 turns over the front view of dropping control device for the utility model drop type lightning arrester;
Fig. 5 turns over the upward view of dropping control device for drop type lightning arrester shown in Figure 4;
Fig. 6 is the drop type frame structure schematic diagram of the utility model drop type lightning arrester;
Fig. 7 falls the cellular construction schematic diagram for the utility model drop type lightning arrester;
Fig. 8 falls the operating principle schematic diagram for the utility model drop type lightning arrester;
Embodiment
Now the preferred embodiment shown in conjunction with the accompanying drawings is further described structure of the present utility model.
By Fig. 1, Fig. 2 and Fig. 3 as can be known, the utility model insulating drop type lightning arrester mainly comprises drop type framework (1), lightning arrester unit (2), disconnector (3), turns over dropping control device (4) and insulating cover (5).Wherein, the described dropping control device (4) that turns over is the twin shaft lever construction of cranking arm.The below of described lightning arrester unit (2) is an insulated leg (6) that is connected with disconnector (3), and the top of described lightning arrester unit (2) is a moving contact (7) that is connected with the static contact panel (8) of drop type framework (1) upper end.Described disconnector (3) causes turning over dropping control device (4) upset after producing and breaking away from action, make lightning arrester unit (2) turn over thereby drive insulated leg (6), lightning arrester top moving contact (7) is disconnected with described drop type framework upper end static contact panel (8) be connected from drop type framework (1).Described insulating cover (5) has wrapped up all metal parts of drop type framework upper end.
As depicted in figs. 1 and 2, described insulating cover (5) has wrapped up all metal parts of drop type framework (1) upper end, and there is an opening its outer below, and the moving contact (7) that holds on the lightning arrester unit (2) is come in and gone out, there is an opening its top, holds the discrepancy of high-pressure side lead and press from both sides (19) with line ball to be connected.When lightning arrester during at normal operating condition, the high-pressure side of lightning arrester is insulated the guard shield parcel, has avoided causing short circuit ground connection or personal safety accident because of branch, the unexpected contact of animal and human.
As Fig. 3, Fig. 4 and shown in Figure 5, the described dropping control device (4) that turns over is the twin shaft lever construction of cranking arm, and its ancon of cranking arm is provided with a pair of gudgeon (9).The below of drop type framework (1) is provided with a trunnion base (10), and trunnion base is a hook-shape structure, and gudgeon (9) is assemblied in the trunnion base (10) and can be along rotational.The top of turning over dropping control device (4) is provided with an axis hole (11), and it is connected by the terminal axis hole of the pivot pin and the insulated leg (6) of below, lightning arrester unit; The described outboard end that turns over dropping control device (4) is a forked type structure (12), and it is fixed on the bolt of disconnector (3) lower end; Described inboard of turning over dropping control device (4) is a camber structure, and its spring bearer plate (21) with drop type framework below contacts to form and is electrically connected.
As Fig. 3 and shown in Figure 6, described drop type framework (1) comprises insulation column (13), upper end static contact head device (14), lower end support frame device (15); The upper end metal segment proximal of described insulation column (13) is wrapped up by silicon rubber, and far-end is provided with installing hole and upper end static contact head device (14) connects.Described upper end static contact head device (14) includes a static contact panel (8), extinguishing arc fork (16), a securing cover plate (17), a spring (18) and line ball folder (20), and described static contact panel (8) is provided with a circular groove.Described lower end support frame device (15) includes a fixed base plate (20), a trunnion base (10), a spring bearer plate (21) and one group of bolt and nut, the middle below that is provided with two through holes and is connected in insulation column (13) by two bolts of described fixed base plate (20); The outboard end of described fixed base plate (20) is provided with two through holes, is used for installing and fixing of drop type lightning arrester described in the utility model; There is a through hole inboard of described fixed base plate (20), is connected with spring bearer plate (21) with trunnion base (10) by one group of bolt and nut.
As Fig. 3 and shown in Figure 7, the top of described lightning arrester unit (2) is a moving contact (7), and there is a draw ring in its outside.The below of lightning arrester unit (2) is an insulated leg (6), and the one end is provided with a screw, and is fixed on the below of lightning arrester unit by screw bolt and nut; The other end is provided with an axis hole, is connected with axis hole (11) on turning over dropping control device by a pivot pin.The below of insulated leg (6) is connected with disconnector (3).The bolt of disconnector (3) below passes the fork body inside of the forked type structure (12) of turning over dropping control device (4) outboard end, and by a nut forked type structure (12) is fixed in disconnector (3) below.Thus, lightning arrester unit (2), disconnector (3) and turn over dropping control device (4) formed an internal structure fixing fall unit assembly (22).By the draw ring on the operation moving contact (7), the moving contact (7) of lightning arrester unit (2) top can be fallen the groove of unit assembly (22) from the static contact panel (8) of drop type framework (1) top together with this and pull out, be electrically connected thereby disconnect; And, can from the trunnion base (10) of drop type framework (1) lower end, take out falling unit assembly (22) by the draw ring on the operation moving contact (7).Similarly, by the draw ring on the operation moving contact (7), can put into the hook-shape structure of trunnion base (10) with turning over gudgeon (9) on the dropping control device (4), to fall again in the groove that pushes away on the unit assembly (22) on the static contact panel (8) that makes moving contact (7) push drop type framework (1) top, be electrically connected thereby form.
As shown in Figure 8, thermal explosion or hot melt action take place in described disconnector (3) when lightning arrester fault power frequency Leakage Current behaviour surpasses normal value, be separated into two parts up and down, and the forked type structure (12) that promotes to turn over dropping control device (4) moves downward.Because turning over the gudgeon (9) of dropping control device (4) is limited in the hook-shape structure of trunnion base (10), drive outwards downside rotation of insulated leg (6) so turn over the axis hole (11) of dropping control device (4), and drive lightning arrester unit (2) moves downward, thereby the moving contact (7) of its top is thrown off the groove from the static contact panel (8) of drop type framework (1) top fast, and disconnection is electrically connected; Simultaneously, turning over the inboard arc mechanism of dropping control device (4) disconnects with the spring bearer plate (21) of drop type framework (1) below along with the rotation of turning over dropping control device (4).It is out of service and provide tangible visual sign to turn over the lightning arrester unit (2) that falls, and has not only ensured the safe operation of electrical network but also provide convenience to maintain and replace thus.By the draw ring in operation moving contact (7), take out the lightning arrester unit (2) of fault, change new qualified lightning arrester unit (2) again, the got back protection of lightning arrester of power circuit.
The utility model insulating drop type lightning arrester 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, for example change the line ball folder shape, add the shape etc. of insulator in protective cover, the change drop type framework at its earth terminal.Therefore these must belong to protection range of the present utility model.
Claims (9)
1. a drop type lightning arrester comprises drop type framework (1), lightning arrester unit (2), disconnector (3), turns over dropping control device (4) and insulating cover (5), it is characterized in that:
The described dropping control device (4) that turns over is the twin shaft lever of cranking arm;
Below, described lightning arrester unit (2) is an insulated leg (6) that is connected with disconnector (3), and top, described lightning arrester unit (2) is a moving contact (7) that is connected with the static contact panel (8) of drop type framework upper end;
Described disconnector (3) causes turning over dropping control device (4) upset after producing and breaking away from action, make lightning arrester unit (2) turn over from drop type framework (1) thereby drive insulated leg (6), lightning arrester top moving contact (7) disconnects with described drop type framework upper end static contact panel (8) and being connected thus; And
Described insulating cover (5) has wrapped up all metal parts of drop type framework upper end.
2. drop type lightning arrester according to claim 1 is characterized in that,
The described ancon of cranking arm that turns over the twin shaft lever of cranking arm of dropping control device (4) is provided with a pair of gudgeon (9);
The below of described drop type framework (1) is provided with a trunnion base (10), and gudgeon (9) is assemblied in this trunnion base (10) and can be along rotational;
Described top of turning over dropping control device (4) is provided with an axis hole (11), and it is connected by the terminal axis hole of pivot pin and the insulated leg (6) of lightning arrester unit (2) below; And
The described outboard end that turns over dropping control device (4) is a forked type structure (12), it is fixed on the bolt of disconnector (3) lower end, and described inboard of turning over dropping control device (4) is a camber structure, and its spring bearer plate (20) with drop type framework (1) below contacts to form and is electrically connected.
3. drop type lightning arrester according to claim 1 is characterized in that,
Below, described lightning arrester unit (2) is an insulated leg (6), and these insulated leg (6) one ends are provided with a screw, are fixed on the below of lightning arrester unit by a screw bolt and nut; And the other end is provided with an axis hole, is connected with axis hole (11) on turning over dropping control device (4) by a pivot pin.
4. drop type lightning arrester according to claim 1 is characterized in that,
Described drop type framework (1) comprises insulation column (13), upper end static contact head device (14), lower end support frame device (15).
5. drop type lightning arrester according to claim 4 is characterized in that:
The upper end metal segment proximal of described insulation column (13) is wrapped up by silicon rubber, and its far-end is provided with installing hole and upper end static contact head device (14) connects.
6. drop type lightning arrester according to claim 4 is characterized in that,
Described upper end static contact head device (14) includes a static contact panel (8), extinguishing arc fork (16), a securing cover plate (17), a spring (18) and line ball folder (19), and wherein said static contact panel (8) is provided with a circular groove.
7. drop type lightning arrester according to claim 4 is characterized in that,
Described lower end support frame device (15) includes a fixed base plate (20), a trunnion base (10), a spring bearer plate (21) and one group of bolt and nut.
8. drop type lightning arrester according to claim 7 is characterized in that,
Be provided with two through holes in the middle of the described fixed base plate (20), and be connected in the below of insulation column (13) by two bolts; The outboard end of described fixed base plate (20) is provided with two through holes, is used for installing and fixing of described drop type lightning arrester; And there is a through hole inboard of described fixed base plate (20), is connected with spring bearer plate (21) with trunnion base (10) by one group of bolt and nut.
9. drop type lightning arrester according to claim 1 is characterized in that, described insulating cover (5) has wrapped up all metal parts of drop type framework (1) upper end, there is an opening its outer below, the moving contact that holds on the lightning arrester unit (2) is come in and gone out, and there is an opening its top, holds the high-pressure side lead and comes in and goes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201538432U CN201639287U (en) | 2010-04-09 | 2010-04-09 | All-insulated falling type arrestor with turn-over device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201538432U CN201639287U (en) | 2010-04-09 | 2010-04-09 | All-insulated falling type arrestor with turn-over device |
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| CN201639287U true CN201639287U (en) | 2010-11-17 |
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| CN2010201538432U Expired - Fee Related CN201639287U (en) | 2010-04-09 | 2010-04-09 | All-insulated falling type arrestor with turn-over device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606427A (en) * | 2013-11-21 | 2014-02-26 | 江苏新澳电力技术有限公司 | Detachable lightning arrester with disconnector |
| CN106057387A (en) * | 2016-07-06 | 2016-10-26 | 常德威迪电气有限责任公司 | Drop type lightning arrester |
| CN108134361A (en) * | 2018-02-08 | 2018-06-08 | 国网福建永春县供电有限公司 | A kind of arrester erecting device |
| CN112366647A (en) * | 2021-01-13 | 2021-02-12 | 国网瑞嘉(天津)智能机器人有限公司 | Drop-out arrester mounting tool and robot |
| CN114725879A (en) * | 2022-06-08 | 2022-07-08 | 常州瑞禧电力设备有限公司 | External fixed gap drop-out overvoltage protector capable of live working |
-
2010
- 2010-04-09 CN CN2010201538432U patent/CN201639287U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606427A (en) * | 2013-11-21 | 2014-02-26 | 江苏新澳电力技术有限公司 | Detachable lightning arrester with disconnector |
| CN106057387A (en) * | 2016-07-06 | 2016-10-26 | 常德威迪电气有限责任公司 | Drop type lightning arrester |
| CN108134361A (en) * | 2018-02-08 | 2018-06-08 | 国网福建永春县供电有限公司 | A kind of arrester erecting device |
| CN108134361B (en) * | 2018-02-08 | 2024-03-26 | 国网福建永春县供电有限公司 | Arrester installation device |
| CN112366647A (en) * | 2021-01-13 | 2021-02-12 | 国网瑞嘉(天津)智能机器人有限公司 | Drop-out arrester mounting tool and robot |
| CN112366647B (en) * | 2021-01-13 | 2021-03-26 | 国网瑞嘉(天津)智能机器人有限公司 | Drop-out arrester mounting tool and robot |
| CN114725879A (en) * | 2022-06-08 | 2022-07-08 | 常州瑞禧电力设备有限公司 | External fixed gap drop-out overvoltage protector capable of live working |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20130409 |