CN215377099U

CN215377099U - Dampproofing anticorrosion zinc oxide arrester

Info

Publication number: CN215377099U
Application number: CN202121094601.5U
Authority: CN
Inventors: 胡攀
Original assignee: Jiangxi Changtai Electric Co Ltd
Current assignee: Jiangxi Changtai Electric Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-31
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to a moisture-proof anti-corrosion zinc oxide arrester, which belongs to the technical field of arresters and comprises a zinc oxide arrester body, wherein an upper wiring mechanism is arranged at the upper end of the zinc oxide arrester body, a lower wiring column is arranged at the bottom end of the zinc oxide arrester body, an upper protection device is arranged on the outer surface of the upper wiring mechanism, a lower protection device is arranged on the outer surface of the lower wiring column, the upper protection device comprises a cover body fixed on the zinc oxide arrester body, a spherical convex soft surface is arranged at the top end of the cover body, and wire openings are formed in two ends of the cover body; compared with the prior art, the upper end and the lower end of the zinc oxide arrester, which are most easily affected with damp, are respectively protected by the upper protection device and the lower protection device, so that the zinc oxide arrester body can be effectively prevented from being affected with damp and corroded, and meanwhile, the wiring is not affected.

Description

Dampproofing anticorrosion zinc oxide arrester

Technical Field

The utility model belongs to the technical field of lightning arresters, and particularly relates to a moisture-proof anti-corrosion zinc oxide lightning arrester.

Background

The lightning arrester is a protection device for preventing a transformer substation from being attacked by lightning shock waves, when the lightning shock waves transmitted to the transformer substation along a line exceed the protection level of the lightning arrester, the lightning arrester firstly discharges, lightning current is safely led into the ground through a good conductor, and the amplitude of the lightning voltage is limited below the lightning shock level of the protected device by utilizing the grounding device, so that the electrical device is protected. The zinc oxide arrester is an arrester with good protection performance. The current flowing through the lightning arrester is extremely small under the normal working voltage by utilizing the good nonlinear volt-ampere characteristic of the zinc oxide; when overvoltage acts, the resistance drops sharply, and the energy of the overvoltage is released, so that the protection effect is achieved. Although the existing zinc oxide lightning arrester can effectively prevent lightning stroke, the sealing performance has certain defects, and the top end and the bottom end of the zinc oxide lightning arrester are most easily affected with damp and corroded. Therefore, a moisture-proof and corrosion-proof zinc oxide lightning arrester is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a moisture-proof anti-corrosion zinc oxide lightning arrester to solve the problems in the background technology.

The utility model realizes the purpose through the following technical scheme:

the utility model provides a dampproofing anticorrosion zinc oxide arrester, includes zinc oxide arrester body, the upper end of zinc oxide arrester body is equipped with wiring mechanism, and the bottom of zinc oxide arrester body is equipped with down the terminal, the surface of going up wiring mechanism is equipped with protector, the surface of terminal is equipped with protector down.

As a further optimized scheme of the utility model, the upper wiring mechanism comprises a wiring frame fixed at the upper end of the zinc oxide arrester body, a lug is sleeved on a supporting part of the wiring frame, a pressing bolt is arranged on a beam part of the wiring frame, the pressing bolt penetrates through the beam part of the wiring frame and extends to the upper part of the lug, a spring is arranged between the lower end edges of two sides of the lug and the upper end of the zinc oxide arrester body, and the spring is positioned on the outer side of the supporting part of the wiring frame.

As a further optimized scheme of the utility model, the lower end of the lug plate is in an arc shape, and a wiring area is formed between the lower end of the lug plate and the inner side of the wiring frame supporting part and the upper end of the zinc oxide lightning arrester body.

As a further optimized scheme of the utility model, the upper protection device comprises a cover body fixed on the zinc oxide arrester body, the top end of the cover body is provided with a spherical convex soft surface, two ends of the cover body are provided with wire ports, and the two groups of wire ports and the wiring area are positioned on the same straight line.

As a further optimization scheme of the utility model, a lower elastic block is arranged at the bottom end inside the line port, an upper elastic block is arranged at the top end inside the line port, a vertical screw rod is arranged at the upper end of the upper elastic block, the vertical screw rod is positioned in a vertical screw hole on the cover body, a transverse screw rod is connected to one side of the vertical screw rod in a threaded manner, the transverse screw rod is positioned in a transverse screw hole mutually perpendicular to the vertical screw hole, and one end of the transverse screw rod extends to the outer side of the line port.

As a further optimized scheme of the utility model, the bottom end of the zinc oxide arrester body is provided with a chassis, the lower protection device comprises an insulating cover, the insulating cover is connected with the outer surface of the chassis through threads, and the lower wiring column extends out of the insulating cover.

As a further optimization scheme of the utility model, the lower wiring column comprises a wiring column body, a convex ring is arranged on the wiring column body, and a sealing block matched with the convex ring is arranged in the insulating cover.

The utility model has the beneficial effects that: the upper end and the lower extreme that the zinc oxide arrester wets most easily are protected by last protector and lower protector respectively, can effectually prevent that zinc oxide arrester body from weing and being corroded, do not influence the wiring simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the moisture-proof corrosion-proof zinc oxide arrester of the present invention;

fig. 2 is a schematic view of the internal structure of the upper end of the moisture-proof and corrosion-proof zinc oxide arrester of the present invention;

fig. 3 is a schematic view of the upper wiring mechanism of the moisture-proof and corrosion-proof zinc oxide arrester of the utility model;

fig. 4 is a schematic view of the internal structure of the lower end of the moisture-proof and corrosion-proof zinc oxide arrester of the present invention.

In the figure: 1. a zinc oxide arrester body; 11. a chassis; 2. an upper wiring mechanism; 21. a lug plate; 22. a wiring frame; 23. a hold-down bolt; 24. a spring; 3. connecting a wiring column downwards; 31. a wiring column; 32. a convex ring; 4. an upper guard; 41. a cover body; 42. a soft body surface; 43. a wire port; 44. a lower elastic block; 45. an upper elastic block; 46. erecting a screw rod; 47. a transverse screw; 5. a lower guard; 51. an insulating cover; 52. and (6) sealing the block.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1, the moisture-proof anti-corrosion zinc oxide arrester of the embodiment includes a zinc oxide arrester body 1, the upper end of the zinc oxide arrester body 1 is provided with an upper wiring mechanism 2, the bottom end of the zinc oxide arrester body 1 is provided with a lower wiring column 3, the outer surface of the upper wiring mechanism 2 is provided with an upper protection device 4, the outer surface of the lower wiring column 3 is provided with a lower protection device 5, the upper end and the lower end of the zinc oxide arrester which are most easily affected with moisture are respectively protected by the upper protection device 4 and the lower protection device 5, and the zinc oxide arrester body 1 can be prevented from being affected with moisture and being corroded.

As shown in fig. 2 and fig. 3, the upper wiring mechanism 2 includes a wiring frame 22 fixed on the upper end of the zinc oxide arrester body 1, a lug 21 is sleeved on a supporting portion of the wiring frame 22, the lug 21 slides up and down in a beam lower region of the wiring frame 22, a pressing bolt 23 is arranged on a beam portion of the wiring frame 22, the pressing bolt 23 passes through the beam portion of the wiring frame 22 and extends to the upper side of the lug 21, the pressing bolt 23 is not fixedly connected with the upper end of the lug 21, a spring 24 is arranged between the lower end edges of two sides of the lug 21 and the upper end of the zinc oxide arrester body 1, the lower end of the lug 21 is arc-shaped and can be replaced to make line contact, so as to increase the contact area, a wiring region is formed between the lower end of the lug 21 and the inner side of the supporting portion of the wiring frame 22 and the upper end of the zinc oxide arrester body 1, the spring 24 is located on the outer side of the supporting portion of the wiring frame 22, so that the lug 21 has a certain height all the time, so as to form a wire connection area for the wire to pass through, and after the wire is positioned in the wire connection area, the pressing bolt 23 is screwed so that the wire connecting piece 21 falls down to be in line contact with the wire connection area and then until pressed.

As shown in fig. 2, the upper protection device 4 includes a cover body 41 fixed on the zinc oxide arrester body 1, the top end of the cover body 41 is provided with a soft body face 42 with a spherical protrusion, both ends of the cover body 41 are provided with wire ports 43, two sets of wire ports 43 and a wiring area are located on the same straight line, when wiring, a wire enters from the wire port 43 on one side, then whether the wire is located in the wiring area is observed from the other wire port 43, after the wire is located in the wiring area, the pressing bolt 23 is screwed outside through the soft body face 42, so that the wiring sheet 21 falls to contact with the wire in the wiring area, if the other wire port 43 is not used, the wire port 43 can be plugged with an insulating plug, the inner bottom end of the wire port 43 is provided with a lower elastic block 44, the inner top end of the wire port 43 is provided with an upper elastic block 45, for further fixing with the wire and reducing the gap of the wire port 43, the upper end of the upper elastic block 45 is provided with a vertical screw 46, the vertical screw rod 46 is positioned in a vertical screw hole on the cover body 41, a transverse screw rod 47 is connected to one side of the vertical screw rod 46 in a threaded manner, the transverse screw rod 47 is positioned in a transverse screw hole which is perpendicular to the vertical screw hole, one end of the transverse screw rod 47 extends to the outer side of the line port 43, after the line is fixed, the transverse screw rod 47 rotates from the outer side, the transverse screw rod 47 drives the vertical screw rod 46 to rotate downwards, so that the upper elastic block 45 slightly descends, and the line is fixed together with the lower elastic block 44.

As shown in fig. 4, a chassis 11 is arranged at the bottom end of the zinc oxide arrester body 1, the lower protection device 5 comprises an insulating cover 51, the insulating cover 51 is connected with the outer surface of the chassis 11 through threads, the lower terminal 3 extends out of the insulating cover 51, the lower terminal 3 comprises a terminal post 31, a convex ring 32 is arranged on the terminal post 31, a sealing block 52 matched with the convex ring 32 is arranged inside the insulating cover 51, the sealing block 52 is made of an elastic material, and when the installation is performed, the terminal post 31 is downwards extruded, so that the convex ring 32 enters a groove matched with the sealing block 52, and the rising of moisture at the bottom can be prevented

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a dampproofing anticorrosion zinc oxide arrester, includes zinc oxide arrester body (1), its characterized in that, the upper end of zinc oxide arrester body (1) is equipped with wiring mechanism (2), and the bottom of zinc oxide arrester body (1) is equipped with down terminal (3), the surface of going up wiring mechanism (2) is equipped with protector (4), the surface of lower terminal (3) is equipped with down protector (5).

2. The moisture-proof anti-corrosion zinc oxide arrester as claimed in claim 1, wherein the upper wiring mechanism (2) comprises a wiring frame (22) fixed on the upper end of the zinc oxide arrester body (1), the supporting portion of the wiring frame (22) is sleeved with the lug (21), the beam portion of the wiring frame (22) is provided with a compression bolt (23), the compression bolt (23) passes through the beam portion of the wiring frame (22) and extends to the upper portion of the lug (21), a spring (24) is arranged between the lower end edges of two sides of the lug (21) and the upper end of the zinc oxide arrester body (1), and the spring (24) is positioned outside the supporting portion of the wiring frame (22).

3. The moisture-proof and corrosion-proof zinc oxide arrester as claimed in claim 2, wherein the lower end of the lug plate (21) is arc-shaped, and a wiring area is formed between the lower end of the lug plate (21) and the inner side of the supporting part of the wire frame (22) and the upper end of the zinc oxide arrester body (1).

4. The zinc oxide arrester with moisture protection and corrosion protection as claimed in claim 3, wherein the upper protection device (4) comprises a cover body (41) fixed on the zinc oxide arrester body (1), the top end of the cover body (41) is provided with a spherical convex soft body surface (42), both ends of the cover body (41) are provided with wire ports (43), and the two sets of wire ports (43) and the wire connection area are located on the same straight line.

5. The zinc oxide arrester of claim 4, wherein the bottom end of the inside of the line port (43) is provided with a lower elastic block (44), the top end of the inside of the line port (43) is provided with an upper elastic block (45), the upper end of the upper elastic block (45) is provided with a vertical screw (46), the vertical screw (46) is located in a vertical screw hole on the cover body (41), one side of the vertical screw (46) is in threaded connection with a horizontal screw (47), the horizontal screw (47) is located in a horizontal screw hole perpendicular to the vertical screw hole, and one end of the horizontal screw (47) extends to the outside of the line port (43).

6. The moisture-proof corrosion-proof zinc oxide arrester as claimed in claim 1, wherein the bottom end of the zinc oxide arrester body (1) is provided with a chassis (11), the lower protection device (5) comprises an insulating cover (51), the insulating cover (51) is connected with the outer surface of the chassis (11) through threads, and the lower terminal stud (3) extends out of the insulating cover (51).

7. The moisture-proof corrosion-proof zinc oxide lightning arrester as claimed in claim 6, wherein the lower terminal post (3) comprises a terminal post body (31), a convex ring (32) is arranged on the terminal post body (31), and a sealing block (52) matched with the convex ring (32) is arranged in the insulating cover (51).