CN214227793U - Lightning arrester device for overhead line - Google Patents
Lightning arrester device for overhead line Download PDFInfo
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- CN214227793U CN214227793U CN202022586838.7U CN202022586838U CN214227793U CN 214227793 U CN214227793 U CN 214227793U CN 202022586838 U CN202022586838 U CN 202022586838U CN 214227793 U CN214227793 U CN 214227793U
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Abstract
The utility model discloses an arrester device for overhead line aims at providing one kind and can use the insulator spindle operation method to carry out electrified installation under the condition that does not influence overhead line normal operating to effectively solve the current inconvenient region of live working car, must wait to the overhead line and have a power failure after, just can carry out the installation of arrester, and influence the arrester device for overhead line of the problem of overhead line normal operating. The cross arm clamping groove is arranged on the support, a bolt through hole is formed in the side wall of the cross arm clamping groove, and a fastening bolt is arranged on the bolt through hole; the lightning protection assembly comprises a lightning arrester fixed on the support, a lower conductive head arranged at the upper end of the lightning arrester, an upper conductive head positioned above the lower conductive head and a conductive lead electrically connected with the upper conductive head, and a discharge gap is formed between the lower conductive head and the upper conductive head.
Description
Technical Field
The utility model relates to an arrester device, concretely relates to arrester device for overhead line.
Background
After an arrester used on an existing overhead line is aged or damaged, the arrester in the prior art is generally fixed on a cross arm of an electric pole through matching of a stud and a nut at the lower end of the arrester, during specific installation, the stud at the lower end of the arrester needs to be inserted into a mounting hole in the cross arm of the electric pole from top to bottom, then the nut is mounted on the stud, and the arrester is fixed on the cross arm of the electric pole through locking the nut; when the lightning arrester is specifically installed, a stud at the lower end of the lightning arrester needs to be inserted into an installation hole in a cross arm of an electric pole from top to bottom, so that the lightning arrester in the prior art cannot be installed on the cross arm of the electric pole by using an insulating rod operation method, and generally needs to be installed and replaced in a live-line mode through a live-line operation vehicle; and some hot-line work car inconvenient areas of passing, for example, the remote mountain area, after the arrester is ageing or damaged, often must wait to the overhead line after having a power failure, just can carry out the installation of arrester, so, can influence the line normal operating.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lightning arrester device for overhead line, it can use the insulator spindle operation method to carry out electrified installation under the condition that does not influence overhead line normal operating to effectively solve the current inconvenient region of live working car, must wait to the overhead line after having a power failure, just can carry out the installation of lightning arrester, and influence overhead line normal operating's problem.
The technical scheme of the utility model is that:
an arrester device for an overhead line, comprising: the support is provided with a cross arm clamping groove, the side wall of the cross arm clamping groove is provided with a bolt through hole, and a fastening bolt is arranged on the bolt through hole; the lightning protection assembly comprises a lightning arrester fixed on the support, a lower conductive head arranged at the upper end of the lightning arrester, an upper conductive head positioned above the lower conductive head and a conductive lead electrically connected with the upper conductive head, and a discharge gap is formed between the lower conductive head and the upper conductive head.
The lightning arrester device for the overhead line is matched with a cross arm of an electric pole through a cross arm clamping groove on a support, then the support is fixed on the cross arm through a fastening bolt on a locking support, the lightning arrester device can be installed by using an insulating rod operation method, specifically, the support is fixed on a clamp at the upper end of the insulating rod, and the support and a lightning protection assembly are lifted through the insulating rod, so that a notch of the cross arm clamping groove faces to the cross arm of the electric pole; then, moving the cross arm clamping groove to the cross arm to enable the cross arm to be inserted into the cross arm clamping groove; and then, the lightning arrester device for the overhead line is fixed on the cross arm of the electric pole by an insulating rod operation method by using another insulating rod, wherein the upper end of the insulating rod is provided with a nut sleeve matched with the head part of the fastening bolt, and the fastening bolt on the bracket is locked by the nut sleeve on the upper end of the insulating rod to fix the bracket on the cross arm.
Preferably, the support comprises an auxiliary anti-falling device, the support comprises an upper mounting plate, a lower mounting plate positioned below the upper mounting plate and a side connecting plate connecting the upper mounting plate and the lower mounting plate, the upper mounting plate and the lower mounting plate are parallel, a space between the upper mounting plate and the lower mounting plate forms the cross arm clamping groove, and the bolt through hole is formed in the lower mounting plate;
the auxiliary anti-falling device comprises a vertical guide hole which is arranged on the upper mounting plate and communicated with the cross arm clamping groove, a vertical limiting inserting plate inserted in the vertical guide hole, an inserting plate limiting block which is arranged at the upper part of the vertical limiting inserting plate, a transverse guide hole which is arranged on the side connecting plate, a transverse guide rod which is arranged in the transverse guide hole in a sliding manner, a floating pressing plate which is arranged at one end of the transverse guide rod, a guide rod limiting block which is arranged on the transverse guide rod, a compression spring which is sleeved on the transverse guide rod, a transverse stop lever which is positioned above the upper mounting plate and a connecting rod which is used for connecting the transverse guide rod with the transverse stop lever,
the vertical guide hole is close to the notch of the cross arm clamping groove, the vertical limit inserting plate is parallel to the floating pressure plate, the floating pressure plate is positioned in the cross arm clamping groove, the floating pressure plate is positioned between the vertical limit inserting plate and the side connecting plate, the floating pressure plate and the guide rod limiting block are positioned on the two opposite sides of the side connecting plate, the axis of the bolt through hole is positioned between the floating pressure plate and the vertical limit inserting plate, the transverse guide rod is vertical to the floating pressure plate, the compression spring is positioned between the floating pressure plate and the side connecting plate, the transverse stop rod is parallel to the transverse guide rod, and the vertical limit inserting plate is provided with a limit hole matched with the transverse stop rod,
when one end of the transverse stop lever is inserted into the limiting hole, the lower edge of the vertical limiting inserting plate is positioned in the vertical guide hole;
when the picture peg stopper supports the upper surface at last mounting panel, vertical spacing picture peg shelters from the notch of cross arm draw-in groove.
The lightning arrester device for the overhead line is matched with a cross arm of an electric pole through a cross arm clamping groove on a support, and then the support is locked and fixed on the cross arm through a fastening bolt, so that the problem that the support falls off due to the fact that the fastening bolt is not locked in place easily or the fastening bolt is loosened at the later stage is easily caused; in order to solve the problem, the scheme is provided with an auxiliary anti-falling device, and particularly, in the process of installing the lightning arrester device for the overhead line by using an insulating rod operation method, when an insulating rod lifts a bracket and a lightning protection component, a notch of a cross arm clamping groove faces to a cross arm of an electric pole, and the cross arm clamping groove moves towards the cross arm, so that the cross arm is abutted against a floating pressing plate in the process of inserting the cross arm into the cross arm clamping groove, the cross arm overcomes the acting force of a compression spring, the floating pressing plate moves towards a side connecting plate, so that the transverse blocking rods are driven to move together, the transverse blocking rods are separated from limiting holes, after the transverse blocking rods are separated from the limiting holes, a vertical limiting block is inserted under the action of dead weight and falls downwards, an inserting plate limiting block abuts against the upper surface of an upper mounting plate, and at the moment, the vertical limiting inserting plate blocks the notch of the cross arm clamping groove; then the support is driven to move through the insulating rod, so that the cross arm is abutted against the vertical limiting inserting plate, and in the process, the floating pressing plate is kept abutted against the cross arm under the action of the compression spring; then, the cylinder locks a fastening bolt on the bracket through another insulating rod with a nut sleeve at the upper end to fix the bracket on the cross arm; so, even appear tightly decide the bolt locking not in place, perhaps later stage tightly decides the bolt not hard up, because the notch of cross arm draw-in groove is sheltered from to vertical spacing picture peg, can effectively avoid appearing the problem that the support drops.
Preferably, the lower mounting plate is provided with a plugboard limiting through hole which is located right below the vertical guide hole, and when the plugboard limiting block abuts against the upper surface of the upper mounting plate, the vertical limiting plugboard sequentially penetrates through the vertical guide hole and the plugboard limiting through hole. Therefore, the stability of the vertical limiting inserting plate can be ensured.
Preferably, the upper mounting plate is provided with a strip-shaped hole, the length direction of the strip-shaped hole is parallel to the transverse guide rod, and the connecting rod penetrates through the strip-shaped hole.
Preferably, the upper mounting plate is a strip-shaped plate, the cross arm clamping groove is close to one end of the upper mounting plate, and the lightning arrester is fixed to the other end of the upper mounting plate.
Preferably, the axis of the bolt through hole is perpendicular to the lower mounting plate.
Preferably, the lower mounting plate and the side connecting plate are integrally bent and formed, and the side connecting plate is connected with the upper mounting plate through welding.
Preferably, the lightning protection assembly further comprises a lower fixing plate fixed at the upper end of the lightning arrester, an upper fixing plate located above the lower fixing plate, and a support rod connecting the lower fixing plate and the upper fixing plate, the upper conductive head is mounted on the upper fixing plate, and at least one of the lower fixing plate and the upper fixing plate is an insulating plate.
Preferably, the lower end of the lightning arrester is locked and fixed on the bracket through a bolt.
The utility model has the advantages that: can use the insulator spindle operation method to carry out live-wire installation under the condition that does not influence overhead line normal operating to effectively solve the current inconvenient region of live-wire work car, must wait to the overhead line after having a power failure, just can carry out the installation of arrester, and influence the problem of overhead line normal operating.
Drawings
Fig. 1 is a schematic structural view of an arrester device for an overhead line according to the present invention.
Fig. 2 is a partial enlarged view of a portion a of fig. 1.
In the figure:
the device comprises a support 1, an upper mounting plate 1.1, a lower mounting plate 1.2 and a side connecting plate 1.3;
a cross arm slot 2;
a fastening bolt 3;
the anti-falling device comprises an auxiliary anti-falling device 4, a vertical guide hole 4.1, a vertical limiting inserting plate 4.2, an inserting plate limiting block 4.3, a limiting hole 4.4, a floating pressing plate 4.5, a transverse guide rod 4.6, a guide rod limiting block 4.7, a compression spring 4.8, a transverse baffle rod 4.9, a strip-shaped hole 4.10 and an inserting plate limiting through hole 4.11;
the lightning protection component comprises a lightning protection component 5, a lightning arrester 5.1, a lower conducting head 5.2, an upper conducting head 5.3, a conducting lead 5.4, a lower fixing plate 5.5, an upper fixing plate 5.6 and a support rod 5.7.
Detailed Description
To make the objects, technical solutions and advantages of embodiments of the present invention clearer, the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution, and are not construed as limiting the present solution.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows: as shown in fig. 1, an arrester device for an overhead line includes a bracket 1 and an arrester module 5. The support is provided with a cross arm clamping groove 2, the side wall of the cross arm clamping groove is provided with a bolt through hole, and the bolt through hole is provided with a fastening bolt 3.
The lightning protection component 5 comprises a lightning arrester 5.1 fixed on the support, a lower conductive head 5.2 arranged at the upper end of the lightning arrester, an upper conductive head 5.3 positioned above the lower conductive head and a conductive lead 5.4 electrically connected with the upper conductive head. A discharge gap is formed between the lower conductive head and the upper conductive head. In this embodiment, the lower extreme of arrester passes through bolt locking to be fixed on the support, and the arrester is the zinc oxide arrester, and the arrester can also be other arresters certainly.
The lightning arrester device for the overhead line of the embodiment is matched with a cross arm of an electric pole through a cross arm clamping groove on a support, then the support is fixed on the cross arm through a fastening bolt on a locking support, the lightning arrester device can be installed by using an insulating rod operation method, during actual installation, the support is fixed on a clamp at the upper end of the insulating rod, and the support and a lightning protection component are lifted through the insulating rod, so that a notch of the cross arm clamping groove faces to the cross arm of the electric pole; then, moving the cross arm clamping groove to the cross arm to enable the cross arm to be inserted into the cross arm clamping groove; and then, the lightning arrester device for the overhead line is fixed on the cross arm of the electric pole by an insulating rod operation method by using another insulating rod, wherein the upper end of the insulating rod is provided with a nut sleeve matched with the head part of the fastening bolt, and the fastening bolt on the bracket is locked by the nut sleeve on the upper end of the insulating rod to fix the bracket on the cross arm.
Specifically, the other end of the conductive lead is also provided with a conductive wire clamp or a conductive hook, and the conductive wire clamp or the conductive hook is lifted together through a third insulating rod while the insulating rod lifts the support and the lightning protection assembly (the conductive wire clamp or the conductive hook is fixed on a clamp at the upper end of the third insulating rod); after the support is locked and fixed on the cross arm by the fastening bolt, the conductive wire clamp or the conductive hook is clamped on the overhead conductor or hung on the overhead conductor by the third insulating rod so as to realize the electric connection of the conductive lead and the overhead conductor.
Further, as shown in fig. 1, the lightning protection assembly 5 further includes a lower fixing plate 5.5 fixed at an upper end of the lightning protector, an upper fixing plate 5.6 located above the lower fixing plate, and a support rod 5.7 connecting the lower fixing plate and the upper fixing plate, wherein the upper conductive head is mounted on the upper fixing plate. At least one of the lower fixing plate and the upper fixing plate is an insulating plate, for example, the lower fixing plate is an insulating plate, or the upper fixing plate is an insulating plate, or both the lower fixing plate and the upper fixing plate are insulating plates.
Further, as shown in fig. 1 and 2, the lightning arrester device for an overhead line further includes an auxiliary fall prevention device 5. The support 1 comprises an upper mounting plate 1.1, a lower mounting plate 1.2 positioned below the upper mounting plate and a side connecting plate 1.3 connecting the upper mounting plate and the lower mounting plate, wherein the upper mounting plate is parallel to the lower mounting plate. In this embodiment, lower mounting panel and side connecting plate are the integrated into one piece shaping of bending, and the side connecting plate passes through the welding with last mounting panel and links to each other. The space between the upper mounting plate and the lower mounting plate forms the cross arm clamping groove. The bolt through hole is arranged on the lower mounting plate.
The auxiliary anti-falling device comprises a vertical guide hole 4.1 which is arranged on the upper mounting plate and is communicated with the cross arm clamping groove, a vertical limiting insertion plate 4.2 which is inserted in the vertical guide hole, an insertion plate limiting block 4.3 which is arranged on the upper part of the vertical limiting insertion plate, a transverse guide hole which is arranged on the side connecting plate, a transverse guide rod 4.6 which is arranged in the transverse guide hole in a sliding manner, a floating pressing plate 4.5 which is arranged at one end of the transverse guide rod, a guide rod limiting block 4.7 which is arranged on the transverse guide rod, a compression spring 4.8 which is sleeved on the transverse guide rod, a transverse stop rod 4.9 which is arranged above the upper mounting plate and a connecting rod which is used for connecting the transverse guide rod and the transverse stop rod.
The vertical guide hole is close to the notch of the cross arm clamping groove. The vertical limiting insertion plate is parallel to the floating pressing plate, and the floating pressing plate is parallel to the side connecting plate. The floating pressing plate is positioned in the cross arm clamping groove and is positioned between the vertical limiting inserting plate and the side connecting plate. The floating pressure plate and the guide rod limiting block are positioned on two opposite sides of the side connecting plate. The axis of the bolt through hole is positioned between the floating pressure plate and the vertical limiting inserting plate. In this embodiment, the axis of the bolt through hole is perpendicular to the lower mounting plate. The transverse guide rod is vertical to the floating pressure plate. The compression spring is positioned between the floating pressure plate and the side connecting plate. The transverse stop lever is parallel to the transverse guide rod. And the vertical limiting inserting plate is provided with a limiting hole 4.4 matched with the transverse stop lever.
When the transverse stop lever is aligned with the limiting hole and the guide rod limiting block is abutted against the side connecting plate, one end of the transverse stop lever is inserted into the limiting hole.
When one end of the transverse stop lever is inserted into the limiting hole, the lower edge of the vertical limiting inserting plate is positioned in the vertical guide hole.
When the picture peg stopper supports the upper surface at last mounting panel, vertical spacing picture peg shelters from the notch of cross arm draw-in groove.
The lightning arrester device for the overhead line is matched with a cross arm of an electric pole through a cross arm clamping groove on a support, and then the support is locked and fixed on the cross arm through a fastening bolt, so that the problem that the support falls off due to the fact that the fastening bolt is not locked in place easily or the fastening bolt is loosened at the later stage is easily caused; in order to solve the problem, the scheme is provided with an auxiliary anti-falling device, and particularly, in the process of installing the lightning arrester device for the overhead line by using an insulating rod operation method, when an insulating rod lifts a bracket and a lightning protection component, a notch of a cross arm clamping groove faces to a cross arm of an electric pole, and the cross arm clamping groove moves towards the cross arm, so that the cross arm is abutted against a floating pressing plate in the process of inserting the cross arm into the cross arm clamping groove, the cross arm overcomes the acting force of a compression spring, the floating pressing plate moves towards a side connecting plate, so that the transverse blocking rods are driven to move together, the transverse blocking rods are separated from limiting holes, after the transverse blocking rods are separated from the limiting holes, a vertical limiting block is inserted under the action of dead weight and falls downwards, an inserting plate limiting block abuts against the upper surface of an upper mounting plate, and at the moment, the vertical limiting inserting plate blocks the notch of the cross arm clamping groove; then the support is driven to move through the insulating rod, so that the cross arm is abutted against the vertical limiting inserting plate, and in the process, the floating pressing plate is kept abutted against the cross arm under the action of the compression spring; then, the cylinder locks a fastening bolt on the bracket through another insulating rod with a nut sleeve at the upper end to fix the bracket on the cross arm; so, even appear tightly decide the bolt locking not in place, perhaps later stage tightly decides the bolt not hard up, because the notch of cross arm draw-in groove is sheltered from to vertical spacing picture peg, can effectively avoid appearing the problem that the support drops.
Further, as shown in fig. 2, the lower mounting plate is provided with an inserting plate limiting through hole 4.11, and the inserting plate limiting through hole is positioned right below the vertical guide hole; when the plug board limiting block abuts against the upper surface of the upper mounting plate, the vertical limiting plug board sequentially penetrates through the vertical guide hole and the plug board limiting through hole. Therefore, the stability of the vertical limiting inserting plate can be ensured.
Further, as shown in fig. 2, the upper mounting plate is provided with a strip-shaped hole 4.10, the length direction of the strip-shaped hole is parallel to the transverse guide rod, and the connecting rod passes through the strip-shaped hole.
Further, as shown in fig. 1, the upper mounting plate is a long plate, the cross arm clamping groove is close to one end of the upper mounting plate, and the lightning arrester is fixed at the other end of the upper mounting plate. The notch of the cross arm clamping groove faces back to the lightning arrester.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (9)
1. An arrester device for an overhead line, characterized by comprising:
the support is provided with a cross arm clamping groove, the side wall of the cross arm clamping groove is provided with a bolt through hole, and a fastening bolt is arranged on the bolt through hole;
the lightning protection assembly comprises a lightning arrester fixed on the support, a lower conductive head arranged at the upper end of the lightning arrester, an upper conductive head positioned above the lower conductive head and a conductive lead electrically connected with the upper conductive head, and a discharge gap is formed between the lower conductive head and the upper conductive head.
2. The arrester device for an overhead line according to claim 1, further comprising an auxiliary anti-drop device, wherein the bracket includes an upper mounting plate, a lower mounting plate located below the upper mounting plate, and a side connecting plate connecting the upper mounting plate and the lower mounting plate, the upper mounting plate and the lower mounting plate are parallel, a space between the upper mounting plate and the lower mounting plate constitutes the cross arm slot, and the bolt through hole is provided in the lower mounting plate;
the auxiliary anti-falling device comprises a vertical guide hole which is arranged on the upper mounting plate and communicated with the cross arm clamping groove, a vertical limiting inserting plate inserted in the vertical guide hole, an inserting plate limiting block which is arranged at the upper part of the vertical limiting inserting plate, a transverse guide hole which is arranged on the side connecting plate, a transverse guide rod which is arranged in the transverse guide hole in a sliding manner, a floating pressing plate which is arranged at one end of the transverse guide rod, a guide rod limiting block which is arranged on the transverse guide rod, a compression spring which is sleeved on the transverse guide rod, a transverse stop lever which is positioned above the upper mounting plate and a connecting rod which is used for connecting the transverse guide rod with the transverse stop lever,
the vertical guide hole is close to the notch of the cross arm clamping groove, the vertical limit inserting plate is parallel to the floating pressure plate, the floating pressure plate is positioned in the cross arm clamping groove, the floating pressure plate is positioned between the vertical limit inserting plate and the side connecting plate, the floating pressure plate and the guide rod limiting block are positioned on the two opposite sides of the side connecting plate, the axis of the bolt through hole is positioned between the floating pressure plate and the vertical limit inserting plate, the transverse guide rod is vertical to the floating pressure plate, the compression spring is positioned between the floating pressure plate and the side connecting plate, the transverse stop rod is parallel to the transverse guide rod, and the vertical limit inserting plate is provided with a limit hole matched with the transverse stop rod,
when one end of the transverse stop lever is inserted into the limiting hole, the lower edge of the vertical limiting inserting plate is positioned in the vertical guide hole;
when the picture peg stopper supports the upper surface at last mounting panel, vertical spacing picture peg shelters from the notch of cross arm draw-in groove.
3. The arrester device for an overhead line according to claim 2, wherein the lower mounting plate is provided with an insertion plate limiting through hole which is located right below the vertical guide hole, and when the insertion plate limiting block abuts against the upper surface of the upper mounting plate, the vertical limiting insertion plate sequentially passes through the vertical guide hole and the insertion plate limiting through hole.
4. An arrester device for an overhead line according to claim 2 or 3, wherein the upper mounting plate is provided with a strip-shaped hole, the length direction of the strip-shaped hole is parallel to the transverse guide rod, and the connecting rod passes through the strip-shaped hole.
5. An arrester device for an overhead line according to claim 2 or 3, wherein the upper mounting plate is an elongate plate, the cross arm clip is located adjacent one end of the upper mounting plate, and the arrester is secured to the other end of the upper mounting plate.
6. An arrester device for an overhead line according to claim 2 or 3, wherein the lower mounting plate and the side connecting plate are integrally formed by bending.
7. An arrester device for an overhead line as claimed in claim 6, wherein the side connection plates are connected to the upper mounting plate by welding.
8. An arrester device for overhead lines according to claim 1, 2 or 3, wherein the arrester module further comprises a lower fixing plate fixed to an upper end of the arrester, an upper fixing plate located above the lower fixing plate, and a support rod connecting the lower fixing plate and the upper fixing plate, the upper conductive terminal is mounted on the upper fixing plate, and at least one of the lower fixing plate and the upper fixing plate is an insulating plate.
9. An arrester device for an overhead line according to claim 1, 2 or 3, wherein the lower end of the arrester is fastened to the bracket by bolting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586838.7U CN214227793U (en) | 2020-11-10 | 2020-11-10 | Lightning arrester device for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586838.7U CN214227793U (en) | 2020-11-10 | 2020-11-10 | Lightning arrester device for overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214227793U true CN214227793U (en) | 2021-09-17 |
Family
ID=77696849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022586838.7U Active CN214227793U (en) | 2020-11-10 | 2020-11-10 | Lightning arrester device for overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214227793U (en) |
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2020
- 2020-11-10 CN CN202022586838.7U patent/CN214227793U/en active Active
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