CN214674271U - Electrified easy dismouting arrester based on spring auto-lock structure - Google Patents
Electrified easy dismouting arrester based on spring auto-lock structure Download PDFInfo
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- CN214674271U CN214674271U CN202120897370.5U CN202120897370U CN214674271U CN 214674271 U CN214674271 U CN 214674271U CN 202120897370 U CN202120897370 U CN 202120897370U CN 214674271 U CN214674271 U CN 214674271U
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- arrester
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Abstract
The utility model provides an electrified easy dismouting arrester based on spring auto-lock structure, includes the shaft tower cross arm, be provided with the installation board subassembly on the shaft tower cross arm, be provided with insulating pillar on the installation board subassembly, the top of insulating pillar is provided with the connecting rod, the one end of connecting rod is provided with the arrester subassembly, the other end of connecting rod passes through transmission circuit and is connected with the distribution cable. The novel food has the following advantages: (1) the gap distance is fixed, the installation is simple, and the poor protection effect caused by inaccurate adjustment of the gap distance in the installation process can be avoided; (2) the lightning arrester can be disassembled and assembled (3) without power failure when the lightning arrester is replaced by a simple screwing-in and screwing-out operation, so that the operation reliability of a power grid is improved; (4) the lightning arrester body can pass a whole 65kA high-current test and has excellent current-flowing performance.
Description
Technical Field
The utility model relates to an electrified easy dismouting arrester based on spring auto-lock structure.
Background
The lightning arrester is an important device for preventing lightning overvoltage all the time, and plays an important role in reducing the tripping of a distribution line and protecting wire equipment from being damaged by the lightning overvoltage. The gap lightning arrester of the protection circuit does not bear overvoltage when in normal operation, and has the characteristics of reliable performance, small and exquisite appearance, light weight, flexible installation and the like. However, the gap arresters currently used in the market have the following problems: firstly, although some line arresters can be assembled and disassembled in an electrified way at present, the line arrester mainly aims at a gapless arrester and cannot be applied to the line arrester; secondly, the bolt needs to be rotated in the dismounting mode, so that an operator can hardly operate the device accurately when standing on the ground; thirdly, the lightning arrester body is easy to damage, influences the insulator life-span.
Disclosure of Invention
An object of the utility model is to provide an electrified easy dismouting arrester based on spring auto-lock structure, this arrester is easily the dismouting, can stand subaerial realization fault indication and change with electricity, satisfies the lightning protection demand of built on stilts distribution lines.
The technical scheme of the utility model lies in: the utility model provides an electrified easy dismouting arrester based on spring auto-lock structure, includes the shaft tower cross arm and strides the distribution cable who locates shaft tower cross arm top, be provided with the installation board subassembly on the shaft tower cross arm, be provided with insulating pillar on the installation board subassembly, the top of insulating pillar is provided with the connecting rod, the one end of connecting rod is provided with the arrester subassembly, the other end of connecting rod passes through transmission circuit and is connected with the distribution cable.
Further, the mounting panel subassembly is including being fixed in the horizontal plate of insulating pillar bottom, the one end of horizontal plate towards the arrester subassembly is provided with the vertical plate, link firmly through the connecting plate between horizontal plate and the shaft tower cross arm.
Furthermore, the connecting plate is a Z-shaped plate, the connecting plate comprises a high plate and a low plate, the high plate is fixedly connected with the horizontal plate through a bolt, the low plate is fixedly connected with the tower cross rod through a bolt, and an installation gap for accommodating a bolt head or a nut is formed between the low plate and the horizontal plate.
Further, the arrester subassembly includes position guard and arrester body, the top of arrester body is provided with the spring sleeve that can insert in the position guard, the spring sleeve interpolation is equipped with the spring, be provided with two at least card posts on the telescopic lateral wall of spring, the card post becomes the circumferencial direction equipartition, the bottom of arrester body is provided with the bulb electrode, the bulb electrode corresponds the setting with the vertical plate.
Further, the position cover is including the cylinder portion that is located upper portion and the loudspeaker portion that is located the lower part, be provided with two at least locking mouths on the lateral wall of cylinder portion, locking mouth and calorie of post one-to-one, the locking mouth includes the insertion groove of vertical setting and the locking groove of vertical setting, the top in insertion groove and locking groove is through the intercommunication groove intercommunication, the insertion groove downwardly extending to loudspeaker portion.
Further, the outside cover of location cover is equipped with the safety cover.
Further, the top of the cylindrical part is provided with a threaded hole matched with the connecting rod.
Further, the connecting rod comprises a flat plate part and a rod-shaped part, the flat plate part is fixedly connected with the top surface of the insulating support through a bolt, the tail end of the rod-shaped part is bent downwards and is provided with an external thread, and the bending angle of the rod-shaped part is 90 degrees.
Furthermore, the transmission circuit comprises a transmission conducting wire, one end of the transmission conducting wire is fixedly connected with the distribution cable through a wire clamp, and the other end of the transmission conducting wire is connected with the flat plate part through a bolt through a wire lug.
Compared with the prior art, the utility model has the advantages of it is following: (1) the gap distance between the ball electrode and the vertical plate is fixed, the installation is simple, and the poor protection effect caused by inaccurate adjustment of the gap distance in the installation process can be avoided; (2) the lightning arrester can be disassembled and assembled (3) without power failure when the lightning arrester is replaced by a simple screwing-in and screwing-out operation, so that the operation reliability of a power grid is improved; (4) the lightning arrester body can pass a whole 65kA high-current test and has excellent current-flowing performance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic view of a mounting plate assembly;
fig. 4 is a schematic view of the arrester assembly (omitting the positioning cap);
FIG. 5 is a sectional view taken along area A of FIG. 5
FIG. 6 is a schematic view of a retaining cap;
in the figure: 1-ball-head electrode, 2-lightning arrester body, 3-positioning cover, 4-protective cover, 5-connecting rod, 6-insulating support, 7-horizontal plate, 8-wire clamp, 9-air gap, 10-spring, 11-spring sleeve, 12-clamping column, 13-tower cross arm, 14-vertical plate, 15-high plate, 16-low plate, 17-connecting plate, 18-cylindrical part, 19-horn part, 20-locking port, 21-insertion groove, 22-locking groove, 23-communication groove, 24-threaded hole, 25-flat plate part, 26-rod part and 27-transmission wire.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1-6.
The utility model provides an electrified easy dismouting arrester based on spring auto-lock structure, includes the shaft tower cross arm and strides the distribution cable who locates shaft tower cross arm top, be provided with the installation board subassembly on the shaft tower cross arm, be provided with insulating pillar on the installation board subassembly, the top of insulating pillar is provided with the connecting rod, the one end of connecting rod is provided with the arrester subassembly, the other end of connecting rod passes through transmission circuit and is connected with the distribution cable.
In this embodiment, the mounting panel subassembly is including being fixed in the horizontal plate of insulating pillar bottom, the horizontal plate is provided with the vertical plate towards the one end of arrester subassembly, and the vertical plate is downwardly extending under the normal conditions, forms air gap with the arrester subassembly, link firmly through the connecting plate between horizontal plate and the shaft tower cross arm to install and maintain.
In this embodiment, the connecting plate is a "Z" shaped plate, and may be divided into a high plate and a low plate according to the difference in height between two flat plates of the "Z" shaped plate, the high plate is fixedly connected with the horizontal plate through a bolt, the low plate is fixedly connected with the tower cross bar through a bolt, and an installation gap for accommodating the bolt head or the nut is formed between the low plate and the horizontal plate.
In this embodiment, the arrester subassembly includes position guard and arrester body, and the arrester body adopts the structure of publicly known metal oxide arrester, contains zinc oxide component material, the top of arrester body is provided with the spring sleeve that can insert in the position guard, the spring sleeve interpolation is equipped with the spring, be provided with two at least card posts on the spring sleeve's the lateral wall, the card post becomes the circumferencial direction equipartition, the bottom of arrester body is provided with the bulb electrode, the bulb electrode corresponds the setting with the vertical plate, forms the air gap. An anti-rust layer is coated outside the bulb electrode.
In this embodiment, the position cover is including the cylinder portion that is located the upper portion and the loudspeaker portion that is located the lower part, be provided with two at least locking mouths on the lateral wall of cylinder portion, locking mouth and calorie of post one-to-one, the locking mouth includes the insertion groove of vertical setting and the locking groove of vertical setting, the top in insertion groove and locking groove is through the intercommunication groove intercommunication, the insertion groove downwardly extending to loudspeaker portion. When the spring sleeve inserts in the position cover, the card post passes through the insertion slot and enters into the locking mouth, because the insertion slot extends to loudspeaker portion, consequently can appear one and be used for the breach that the card post passes through, after inserting along insertion slot, UNICOM's groove entering locking groove, the card post is in the bottom of locking groove under the effect of spring, realizes the locking.
In this embodiment, the outside cover of location cover is equipped with the safety cover to it causes the card to die to avoid the dust and sand to get into in the location cover.
In this embodiment, the top of the cylindrical portion is provided with a threaded hole for engaging with a connecting rod.
In this embodiment, the connecting rod includes a flat plate portion and a rod portion, the flat plate portion is fixedly connected with the top surface of the insulating pillar through a bolt, the end of the rod portion is bent downward and provided with an external thread, and the bending angle of the rod portion is 90 °, so that after assembly, the space between the ball-end electrode and the vertical plate is fixed.
In this embodiment, the transmission circuit includes a transmission conductor, and one end of the transmission conductor is fixedly connected with the distribution cable through a wire clamp, and the other end of the transmission conductor is connected with the flat plate portion through a bolt through a lug.
After the invention is operated by hanging the net, the operation maintenance personnel can judge whether the arrester has a fault according to the carbonization degree and the color indication of the paint on the surface of the ball electrode contacting the air. After finding that the arrester breaks down, can change with electricity. When the lightning arrester is replaced, the lightning arrester body can be lifted up by the hot-line operating rod and rotates anticlockwise, and then the lightning arrester body can be taken down. And then, lifting a new lightning arrester body by using the hot-line operating rod, and inserting the spring sleeve at the upper end of the lightning arrester into the positioning cover and rotating clockwise to install and fix the lightning arrester.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides an electrified easy dismouting arrester based on spring auto-lock structure which characterized in that, includes the shaft tower cross arm and strides the distribution cable who locates shaft tower cross arm top, be provided with installation board subassembly on the shaft tower cross arm, be provided with insulating pillar on the installation board subassembly, the top of insulating pillar is provided with the connecting rod through the bolt, the one end of connecting rod is provided with the arrester subassembly, the other end of connecting rod passes through transmission circuit and is connected with the distribution cable.
2. The lightning arrester with the easy disassembly and assembly based on the spring self-locking structure as claimed in claim 1, wherein the mounting plate assembly comprises a horizontal plate fixed at the bottom of the insulating support, a vertical plate is arranged at one end of the horizontal plate facing the lightning arrester assembly, and the horizontal plate is fixedly connected with the cross arm of the tower through a connecting plate.
3. The lightning arrester with the easy assembly and disassembly based on the spring self-locking structure as claimed in claim 2, wherein the connecting plate is a "Z" shaped plate, the connecting plate comprises a high plate and a low plate, the high plate is fixedly connected with the horizontal plate through a bolt, the low plate is fixedly connected with the tower cross bar through a bolt, and an installation gap for accommodating a bolt head or a nut is formed between the low plate and the horizontal plate.
4. The lightning arrester as claimed in claim 2, wherein the lightning arrester assembly comprises a positioning cover and a lightning arrester body, a spring sleeve capable of being inserted into the positioning cover is arranged at the top of the lightning arrester body, a spring is inserted into the spring sleeve, at least two clamping columns are arranged on the side wall of the spring sleeve and are uniformly distributed in the circumferential direction, ball-head electrodes are arranged at the bottom of the lightning arrester body, and the ball-head electrodes are arranged corresponding to the vertical plate.
5. The lightning arrester with easy disassembly and assembly based on the spring self-locking structure as claimed in claim 4, wherein the positioning cover comprises a cylindrical portion located at the upper portion and a horn portion located at the lower portion, at least two locking openings are arranged on the side wall of the cylindrical portion, the locking openings correspond to the clamping posts in a one-to-one manner, the locking openings comprise a vertically arranged insertion groove and a vertically arranged locking groove, the insertion groove is communicated with the top of the locking groove through a communicating groove, and the insertion groove extends downwards to the horn portion.
6. The electrified lightning arrester with easy disassembly and assembly based on the spring self-locking structure as claimed in claim 5, wherein a protective cover is sleeved on the outer side of the positioning cover.
7. The lightning arrester with the easy disassembly and assembly function based on the spring self-locking structure as claimed in claim 5, wherein a threaded hole matched with the connecting rod is formed in the top of the cylindrical portion.
8. The charged lightning arrester based on the spring self-locking structure and easy to disassemble and assemble according to claim 1, wherein the connecting rod comprises a flat plate part and a rod-shaped part, the flat plate part is fixedly connected with the top surface of the insulating pillar through a bolt, the tail end of the rod-shaped part is bent downwards and provided with an external thread, and the bending angle of the rod-shaped part is 90 degrees.
9. The lightning arrester of claim 8, wherein the transmission circuit comprises a transmission wire, one end of the transmission wire is fixedly connected with the distribution cable through a wire clamp, and the other end of the transmission wire is connected with the flat plate portion through a lug and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120897370.5U CN214674271U (en) | 2021-04-28 | 2021-04-28 | Electrified easy dismouting arrester based on spring auto-lock structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120897370.5U CN214674271U (en) | 2021-04-28 | 2021-04-28 | Electrified easy dismouting arrester based on spring auto-lock structure |
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| CN214674271U true CN214674271U (en) | 2021-11-09 |
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| CN202120897370.5U Active CN214674271U (en) | 2021-04-28 | 2021-04-28 | Electrified easy dismouting arrester based on spring auto-lock structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507089A (en) * | 2021-04-28 | 2021-10-15 | 国网福建省电力有限公司 | Electrified easy-to-dismount-and-mount lightning arrester based on spring self-locking structure and working principle of electrified easy-to-dismount-and-mount lightning arrester |
-
2021
- 2021-04-28 CN CN202120897370.5U patent/CN214674271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507089A (en) * | 2021-04-28 | 2021-10-15 | 国网福建省电力有限公司 | Electrified easy-to-dismount-and-mount lightning arrester based on spring self-locking structure and working principle of electrified easy-to-dismount-and-mount lightning arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANDONG XUNSHI ELECTRIC Co.,Ltd. Assignor: STATE GRID FUJIAN ELECTRIC POWER Research Institute Contract record no.: X2023350000339 Denomination of utility model: A charged and easily detachable lightning arrester based on spring self-locking structure Granted publication date: 20211109 License type: Common License Record date: 20230816 |
|
| EE01 | Entry into force of recordation of patent licensing contract |