CN213781971U

CN213781971U - Lightning arrester with disconnector

Info

Publication number: CN213781971U
Application number: CN202023334443.4U
Authority: CN
Inventors: 王哲; 李志宏; 杨卫; 郑春生
Original assignee: Shandong Wanan Technology Co ltd; Xi'an Anjiexun Electric Co ltd; Sinopec Shengli Petroleum Administration Co Ltd Electric Power Branch
Current assignee: SHANDONG WIDE AREA TECHNOLOGY Co.,Ltd.
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-23
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a take arrester of disconnector, including insulating cylinder and arrester body, the fixed insulator knob of lower extreme fixedly connected with of arrester body, fixed mounting has the disconnector main part between insulating cylinder and the fixed insulator knob, the upper end fixedly connected with top insulation board of insulating cylinder, the insulating deckle board of upper end fixedly connected with of arrester body, the inside threaded connection of top insulation board and insulating deckle board has the screw, the tip surface threaded connection of screw has the nut. The utility model discloses a set up the disconnector main part for when the arrester breaks down unusually, utilize power frequency short-circuit current to let the disconnector action, make the disconnector earthing terminal throw off automatically, reach corresponding guard action, solid porcelain plate of rethread, hollow porcelain plate and fixed screw, make the insulating cylinder have more stability with being connected of arrester body, thereby avoided the connection to rock the coming off of bringing.

Description

Lightning arrester with disconnector

Technical Field

The utility model relates to a lightning-arrest equipment correlation technique field specifically is a take arrester of disconnector.

Background

The lightning arrester plays an indispensable role in a power grid as an important role of overvoltage protection, but in recent years, the split type base of the lightning arrester is unqualified in insulation, a small porcelain bushing of the base is broken, and phenomena such as the ground discharge of the base of the lightning arrester in the process of pre-testing the lightning arrester without disconnecting are generated occasionally, the phenomena directly lead to the increase of the overhaul frequency of the lightning arrester and prolong the power failure time, certain harm is caused to the stable operation of the power grid, and at present, the phenomena still show a rising trend. Moreover, the existing lightning arrester is difficult to automatically disconnect when the abnormal condition occurs, and if the internal temperature is too high or the pressure intensity is overloaded, the explosion of the lightning arrester is easily caused, and even a serious fire disaster occurs, thereby bringing certain economic loss and harm. In addition, the existing lightning arrester is general in installation stability and is easy to damage under the shaking condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take arrester of disconnector to solve above-mentioned problem, thereby avoided the connection to rock the coming off of bringing, and reached better explosion-proof effect.

In order to solve the technical problem, the utility model provides a following technical scheme: a lightning arrester with a disconnector comprises an insulating column body and a lightning arrester body, wherein the lower end of the lightning arrester body is fixedly connected with a fixed insulating porcelain block, a main body of the separator is fixedly arranged between the insulating cylinder and the fixed insulating porcelain block, the upper end of the insulating cylinder is fixedly connected with a top insulating plate, the upper end of the lightning arrester body is fixedly connected with an insulating frame plate, the top insulating plate and the insulating frame plate are internally connected with screws in a threaded manner, the outer surface of the end part of the screw is connected with a screw cap in a threaded manner, the outer surface of the insulating cylinder is fixedly connected with a first fixing ring, the outer surface of the lightning arrester body is fixedly connected with a second fixing ring, the surface of the first fixing ring is fixedly provided with a solid porcelain plate, the surface of the second fixing ring is fixedly provided with a hollow porcelain plate, and the lower end surface of the hollow porcelain plate is in threaded connection with a fixing screw.

Furthermore, sealed jack has all been seted up on the surface of insulating cylinder and arrester body, the inner wall piston connection of sealed jack has sealed inserted block.

Furthermore, the inner diameter of the sealing jack is matched with the designed outer diameter of one end of the sealing plug block, and the outer surface of the lightning arrester body is fixedly connected with an insulating rubber ring.

According to the lightning arrester with the disconnector, one end of the solid porcelain plate is inserted into the inner wall of the hollow porcelain plate, and the size of the inner wall of the hollow porcelain plate is matched with the design size of the solid porcelain plate.

According to the lightning arrester with the disconnector, the outer surface of the insulating cylinder is fixedly connected with the first glass fiber sleeve and the second glass fiber sleeve respectively, and the diameter of the first glass fiber sleeve is larger than that of the second glass fiber sleeve.

Preferably, the number of the first glass fiber sleeves is three, the number of the second glass fiber sleeves is two, and the first glass fiber sleeves and the second glass fiber sleeves are alternately arranged from top to bottom at equal intervals in sequence.

In the arrester with a disconnector described above, the pull ring is fixedly mounted on the upper end surface of the arrester body.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) the utility model discloses a set up the disconnector main part for when the arrester breaks down unusually, utilize power frequency short-circuit current to let the disconnector action, make the disconnector earthing terminal throw off automatically, reach corresponding guard action, solid porcelain plate of rethread, hollow porcelain plate and fixed screw, make the insulating cylinder have more stability with being connected of arrester body, thereby avoided the connection to rock the coming off of bringing.

(2) The utility model discloses a sealed jack and sealed inserted block for whole device is when taking place the short circuit and produce a large amount of steam, because thermal increase, leads to the atmospheric pressure value grow, thereby lets sealed inserted block pop out, reaches better explosion-proof effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the structure of the present invention;

fig. 3 is a bottom view of the structure of the present invention.

In the figure: 1. an insulating cylinder; 2. a lightning arrester body; 3. fixing an insulating ceramic block; 4. a detacher body; 5. a top insulating plate; 6. an insulating frame plate; 7. screws; 8. a nut; 9. a first retaining ring; 10. a second retaining ring; 11. a solid porcelain plate; 12. a hollow porcelain plate; 13. fixing screws; 14. sealing the insertion hole; 15. sealing the insert block; 16. a first fiberglass sleeve; 17. a second fiberglass sleeve; 18. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a take arrester of disconnector, including insulating cylinder 1 and arrester body 2, the fixed insulator knob 3 of lower extreme fixedly connected with of arrester body 2, fixed mounting has disconnector main part 4 between insulating cylinder 1 and the fixed insulator knob 3, the upper end fixedly connected with top insulation board 5 of insulating cylinder 1, the upper end fixedly connected with insulating deckle board 6 of arrester body 2, the inside threaded connection of top insulation board 5 and insulating deckle board 6 has screw 7, the tip surface thread connection of screw 7 has nut 8, the first solid fixed ring 9 of the surface fixed connection of insulating cylinder 1, the solid fixed ring 10 of fixed surface connection of arrester body 2 has the solid porcelain plate 11, the fixed surface of the solid fixed ring 9 of second installs hollow porcelain plate 12, the lower extreme surface thread connection of hollow porcelain plate 12 has set screw 13.

The solid porcelain plate 11 and the hollow porcelain plate 12 are made of porcelain materials, one end of the solid porcelain plate 11 is inserted into the inner wall of the hollow porcelain plate 12, and the size of the inner wall of the hollow porcelain plate 12 is matched with the design size of the solid porcelain plate 11. Make solid porcelain plate 11 and hollow porcelain plate 12 play better insulating effect, avoid producing the electric leakage during the use, lead to the loss of electric power, in addition exactly the maintainer can not arrived by the electricity, improved holistic safety in utilization. Moreover, by providing the solid porcelain plate 11 and the hollow porcelain plate 12, the insulating cylinder 1 and the arrester body 2 can be further connected, and the connection stability is reinforced again.

In this embodiment, sealed jack 14 has all been seted up on the surface of insulating cylinder 1 and arrester body 2, and the inner wall piston of sealed jack 14 is connected with sealed inserted block 15, and is concrete, the design outer diameter mutual adaptation of seting up inner diameter and sealed inserted block 15 one end of sealed jack 14, and the fixed surface of arrester body 2 is connected with insulating rubber circle. The inner diameter of the sealing insertion hole 14 is consistent with the outer diameter of one end of the sealing insertion block 15, so that the sealing insertion block 15 can be inserted into the sealing insertion hole 14 to achieve better sealing performance and stability.

In this embodiment, a first glass fiber sleeve 16 and a second glass fiber sleeve 17 are fixedly connected to the outer surface of the insulating cylinder 1, respectively, and a pull ring 18 is fixedly mounted on the upper end surface of the lightning arrester body 2.

Through setting up first glass fiber sleeve pipe 16 and second glass fiber sleeve pipe 17, let insulating cylinder 1 and the whole holistic insulating type of arrester body 2 further promote, moreover just through setting up sealed inserted block 15 and first glass fiber sleeve pipe 16, let wholly possess corresponding explosion-proof ability, avoid exploding the harm incident that causes and take place.

Specifically, the number of the first glass fiber sleeves 16 is three, the number of the second glass fiber sleeves 17 is two, and the first glass fiber sleeves 16 and the second glass fiber sleeves 17 are alternately arranged from top to bottom at equal intervals in sequence.

By arranging the first glass fiber sleeve 16 and the second glass fiber sleeve 17, the insulation performance of the insulation column body 1 is improved.

The utility model discloses a theory of operation: when the arrester with the disconnector is used, firstly, the insulating cylinder 1 and the arrester body 2 are connected through the top insulating plate 5 and the insulating frame plate 6, then the top insulating plate 5 and the insulating frame plate 6 are further fixed by matching with the screw 7 and the screw cap 8, during the period, the solid ceramic plate 11 is inserted into the hollow ceramic plate 12, then the fixing screw 13 is screwed tightly to achieve the further reinforcing effect and avoid shaking and the like during the use, and the disconnector main body 4 is arranged at the lower end of the insulating cylinder 1 and the arrester body 2, when the arrester has abnormal faults, the disconnector main body 4 is actuated by utilizing power frequency short-circuit current to automatically disconnect the grounding end of the disconnector main body 4, the lightning arrester disconnector main body 4 is overturned to withdraw from the operation to prevent the accident progress from being enlarged, and is easy for maintenance personnel to timely find and replace, the principle of falling is similar to that of a fuse, and the fuse wire is blown to cause the fusion tube to fall.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take arrester of disconnector which characterized in that: comprises an insulating cylinder body (1) and an arrester body (2), wherein the lower end of the arrester body (2) is fixedly connected with a fixed insulating porcelain block (3), a disconnector main body (4) is fixedly installed between the insulating cylinder body (1) and the fixed insulating porcelain block (3), the upper end of the insulating cylinder body (1) is fixedly connected with a top insulating plate (5), the upper end of the arrester body (2) is fixedly connected with an insulating frame plate (6), the internal threads of the top insulating plate (5) and the insulating frame plate (6) are connected with screws (7), the outer surface of the end part of each screw (7) is in threaded connection with a nut (8), the outer surface of the insulating cylinder body (1) is fixedly connected with a first fixing ring (9), the outer surface of the arrester body (2) is fixedly connected with a second fixing ring (10), and the surface of the first fixing ring (9) is fixedly provided with a solid porcelain plate (11), the surface fixing of the second fixing ring (10) is provided with a hollow porcelain plate (12), and the lower end surface of the hollow porcelain plate (12) is in threaded connection with a fixing screw (13).

2. The arrester of claim 1 wherein: sealing insertion holes (14) are formed in the surfaces of the insulating cylinder (1) and the lightning arrester body (2), and sealing insertion blocks (15) are connected to the inner wall of each sealing insertion hole (14) in a piston mode.

3. The arrester of claim 2 wherein: the inner diameter of the sealing insertion hole (14) is matched with the designed outer diameter of one end of the sealing insertion block (15), and the outer surface of the lightning arrester body (2) is fixedly connected with an insulating rubber ring.

4. The arrester of claim 1 wherein: one end of the solid porcelain plate (11) is inserted into the inner wall of the hollow porcelain plate (12), and the inner wall of the hollow porcelain plate (12) is provided with a size matched with the design size of the solid porcelain plate (11).

5. The arrester of claim 1 wherein: the outer surface of the insulating cylinder (1) is fixedly connected with a first glass fiber sleeve (16) and a second glass fiber sleeve (17) respectively, and the diameter of the first glass fiber sleeve (16) is larger than that of the second glass fiber sleeve (17).

6. The arrester of claim 5 wherein: the number of the first glass fiber sleeves (16) is three, and the number of the second glass fiber sleeves (17) is two.

7. The arrester of claim 6 wherein: the first glass fiber sleeves (16) and the second glass fiber sleeves (17) are alternately arranged from top to bottom.

8. The arrester of claim 1 wherein: and a pull ring (18) is fixedly arranged on the upper end surface of the lightning arrester body (2).