CN217655716U

CN217655716U - Drop-out type multifunctional lightning arrester

Info

Publication number: CN217655716U
Application number: CN202220667456.3U
Authority: CN
Inventors: 蔡德峰; 周勇军; 达娃伦珠; 尼平; 董智华; 宁首先; 石成仁; 刘海龙
Original assignee: State Grid Tibet Electric Power Co Ltd Lhasa Power Supply Co
Current assignee: State Grid Tibet Electric Power Co Ltd Lhasa Power Supply Co
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-10-25
Anticipated expiration: 2032-03-24

Abstract

A drop-out multifunctional lightning arrester comprises a high-voltage wire connecting plate and a base mounting plate which are arranged in parallel at intervals; a binding post for connecting a high-voltage cable is arranged on the high-voltage wire connecting plate, and a grounding post for communicating with a grounding device is arranged on the base mounting plate; an insulator is arranged between the high-voltage wire connecting plate and the base mounting plate, and two end parts of the high-voltage wire connecting plate and the base mounting plate are respectively and rotatably connected with a grounding knife and a lightning arrester body; the top end of the grounding knife is abutted against the high-voltage wire connecting plate, and the other end of the grounding knife is rotatably connected with the base mounting plate and is connected with a guide sheet between the base mounting plate and the grounding knife; the top end of the lightning arrester is abutted against the high-voltage wire connecting plate, the other end of the lightning arrester is provided with a release, and a guide vane is connected between the release on the lightning arrester and the base mounting plate. The utility model discloses can protect and reduce the tripping operation number of times of circuit to line equipment and arrester body, improve staff operational environment's security.

Description

Drop-out type multifunctional lightning arrester

Technical Field

The utility model relates to an arrester equipment technical field, specific multi-functional arrester of drop out that says so.

Background

The lightning arrester is used for protecting electrical equipment from being damaged by high transient overvoltage during lightning stroke, limiting follow current time and normally limiting follow current amplitude. In some areas with frequent lightning loss and large lightning loss energy, frequent lightning loss with large energy can fall onto a running 10KV line to cause lightning stroke accidents, and the lightning loss with large energy can damage line equipment, puncture a lightning arrester arranged on the line and trip a power transmission line.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drop-out multifunctional lightning arrester can protect and reduce the tripping operation number of times of circuit to line equipment and lightning arrester body, improves staff operational environment's security.

In order to solve the technical problem, the utility model discloses a concrete scheme be a drop-out type multifunctional lightning arrester: comprises a high-voltage wire connecting plate and a base mounting plate which are arranged in parallel at intervals; a binding post for connecting a high-voltage cable is arranged on the high-voltage wire connecting plate, and a grounding post for communicating with a grounding device is arranged on the base mounting plate; an insulator is arranged between the high-voltage wire connecting plate and the base mounting plate, and two end parts of the high-voltage wire connecting plate and the base mounting plate are respectively and rotatably connected with a grounding knife and a lightning arrester body; the top end of the grounding knife is abutted against the high-voltage wire connecting plate, and the other end of the grounding knife is rotatably connected with the base mounting plate and is connected with a guide sheet between the base mounting plate and the grounding knife; the top end of the lightning arrester is abutted against the high-voltage wire connecting plate, the other end of the lightning arrester is provided with a release, and a guide vane is connected between the release on the lightning arrester and the base mounting plate.

As the utility model relates to a further optimization of drop-out type multifunctional lightning arrester: the lower edges of the two ends of the high-voltage wire connecting plate are respectively provided with an elastic sheet, and the top ends of the grounding knife and the lightning arrester body are respectively abutted against the lower edges of the elastic sheets; and limiting frames used for clamping the grounding knife and the top end of the lightning arrester body are respectively arranged below the elastic sheets on the high-voltage wire connecting plate.

As the utility model relates to a further optimization of drop-out type multifunctional lightning arrester: the limiting frame is U-shaped, and the open end of the U-shaped limiting frame faces the opposite direction.

As the utility model relates to a further optimization of drop-out type multifunctional lightning arrester: the both ends of base mounting panel all are equipped with the couple, all rotate in the couple to be connected with the link, and the one end of link rotates with corresponding couple respectively to be connected, and the other end is fixed respectively on earthing switch and arrester body.

As the utility model relates to a further optimization of drop-out type multifunctional lightning arrester: a rotating shaft for the connecting frame to be matched with the rotating shaft is arranged in the hook in a penetrating way, and the rotating shaft is fixedly connected with one end of the connecting frame.

As the utility model relates to a further optimization of drop-out type multifunctional lightning arrester: and the top ends of the grounding knife and the lightning arrester body are respectively provided with a push-pull ring.

Advantageous effects

The utility model provides a tripper of setting on the arrester body can withdraw from the operation electric wire netting at the arrester body that will damage when the arrester body is punctured by the thunderbolt, and the tripper that breaks away from the electric wire netting operation can reduce the tripping operation number of times of circuit, improves the circuit reclosing success rate, and the staff of being convenient for does not have the outage and changes work such as maintenance.

The utility model discloses well grounding switch's setting can make the staff keep the security that the staff dismantled and installed the arrester when overhauing, has improved maintenance staff operational environment's personal safety.

The utility model provides a spacing can restrict the position of earthing switch and arrester body, prevents that arrester body or earthing switch from producing the swing because the effect of external force in the use.

The utility model provides a shell fragment supplies supporting of the top of earthing knife and arrester body to lean on, and the shell fragment is applied to the reaction force of earthing knife and arrester body so that earthing knife and arrester body under the user state fix the internal stability of spacing.

Preferably, the push-and-pull ring that sets up on the top of arrester and earthing knife can be convenient for the staff with the arrester and the push-and-pull ring that the earthing knife pushed into or pulled out spacing, and the setting of push-and-pull ring is convenient for the staff to pass the arrester or the earthing knife that correspond and the joint is fixed in the spacing on the high-voltage line connecting plate.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

reference numerals: 1. high-voltage line connecting plate, 2, insulator, 3, terminal, 4, spring clamp, 5, shell fragment, 6, spacing, 7, push-pull ring, 8, arrester body, 9, release, 10, link, 11, guide vane, 12, pivot, 13, couple, 14, ground post, 15, base mounting panel, 16, earthing knife.

Detailed Description

As shown in fig. 1, the utility model discloses a multi-functional arrester of drop-out, pull including high-voltage line connecting plate 1 and pedestal mounting, high-voltage line connecting plate 1 and pedestal mounting pull parallel interval and set up. The middle part of the high-voltage wire connecting plate 1 is a flat plate, the two end parts of the flat plate are inclined plates distributed towards the inclined lower part, and a certain inclination angle is formed between each inclined plate and the flat plate. The front and back edges of the middle flat plate and the inclined plates at the two ends of the high-voltage wire connecting plate 1 are provided with vertical edges which are vertically distributed downwards, and the vertical edges are respectively of an integrally formed structure with the middle flat plate and the inclined plates. The dull and stereotyped upper edge of length direction interval along the flat board in high-voltage line connecting plate 1 middle part is equipped with two and supplies the terminal 3 that feeds through with the high-voltage cable, and two terminal 3 all are equipped with the mount of L shape, the one end of the mount of two L shapes respectively with the terminal 3 fixed connection who corresponds, the other end is respectively through the bolt fastening on high-voltage line connecting plate 1.

Spring pressing plates 4 are respectively arranged at two ends of the bevel edge of the high-voltage wire connecting plate 1, and elastic sheets 5 distributed towards the outer side are respectively arranged on the lower edges of two ends of the high-voltage wire connecting plate 1. One end of each of the two elastic pieces 5 is connected with the wiring terminal 3 on one side close to the other end of each of the two elastic pieces 5, the other ends of the elastic pieces 5 face the opposite direction far away from the high-voltage wire connecting plate 1, and the other ends of the elastic pieces are respectively located below the corresponding spring pressing plates 4. The lower edge of the high-voltage wire connecting plate 1 is positioned below the elastic sheets 5 and is respectively provided with a limiting frame 6, and the limiting frames 6 are U-shaped. The open end of the U-shaped limiting frame 6 is respectively arranged towards the opposite directions away from the high-voltage wire connecting plate 1, the closed end of the limiting frame 6 is respectively connected with a support used for fixing the limiting frame 6 on the high-voltage wire connecting plate 1, one end of the support is respectively fixed on the lower edge of the high-voltage wire connecting plate 1, and the other end of the support is respectively fixedly connected with the closed end of the corresponding limiting frame 6.

The base mounting plate 15 is located the below of high-voltage line connecting plate 1, and the middle part both ends of base mounting plate 15 all constitute with the dull and stereotyped and swash plate of high-voltage line connecting plate 1 unanimity, and the swash plate at the dull and stereotyped both ends in middle part of base mounting plate 15 distributes towards oblique below respectively, forms the oblique angle unanimous with high-voltage line connecting plate 1 between swash plate and the middle part flat board. The two side edges of the middle flat plate and the inclined plates at the two ends are respectively provided with a vertical edge facing to the direction of the high-voltage wire connecting plate 1, and the vertical edges, the flat plate and the inclined plates are of an integrally formed structure. The lower edge of the middle flat plate of the base mounting plate is provided with a grounding column 14 for communicating with the grounding device. Both ends are equipped with couple 13 respectively about base mounting panel 15, and the opposite directions that keeps away from base mounting panel 15 all is faced towards to the hook end of two couples 13 and sets up, and the one end of couple 13 is passed through the bolt fastening respectively and is followed under base mounting panel 15, and the other end distributes towards the outside respectively. The hooks 13 are rotatably connected with a rotating shaft 12.

Two insulators 2 which are evenly distributed along the vertical direction at intervals are arranged between the high-voltage wire connecting plate 1 and the base mounting plate 15, and the types of the insulators 2 are post insulators. The upper end of the insulator 2 is respectively attached and fixed on the lower edge of the high-voltage wire connecting plate 1 and positioned between the two binding posts 3, and the lower end of the insulator 2 is respectively attached and fixed in the upper edge of the base mounting plate 15 and positioned on two sides of the grounding post 14.

And the two ends of the high-voltage wire connecting plate 1 and the base mounting plate 15 are respectively provided with a grounding knife 16 and a lightning arrester body 8. The grounding knife 16 is arranged at the left ends of the high-voltage wire connecting plate 1 and the base mounting plate 15, the top end of the grounding knife 16 is abutted against the lower edge of the elastic sheet 5 positioned at the left end of the high-voltage wire connecting plate 1, and the upper end of the grounding knife 16 is clamped in the U-shaped limiting frame 6 below the elastic sheet 5. The top end of the grounding knife 16 is provided with a push-pull ring 7 for pushing the grounding knife 16 into or pulling the grounding knife 16 out of the limiting frame 6, one end of the push-pull ring 7 is fixed on the grounding knife 16, and the other end of the push-pull ring is a circular ring distributed towards the outside. The lower end of the grounding knife 16 is provided with a connecting frame 10 which is connected with the rotating shaft 12 in the hook 13 so as to enable the grounding knife 16 to rotate on the base mounting plate 15, the left end of the connecting frame 10 is a hoop fixed with the grounding knife 16, and the right end of the connecting frame 10 is fixedly connected with the corresponding rotating shaft 12. The lower end of the grounding knife 16 is positioned below the connecting frame 10, and is further provided with a guide vane 11 for preventing the grounding knife 16 from falling off, the left end of the guide vane 11 is fixed on the grounding knife 16, and the right end of the guide vane 11 is fixedly connected with the corresponding hook 13.

The lightning arrester body 8 is arranged on the right ends of the high-voltage wire connecting plate 1 and the base mounting plate 15, the top end of the lightning arrester body 8 is abutted against the lower edge of the elastic sheet 5 positioned at the right end of the high-voltage wire connecting plate 1, and the top end of the lightning arrester body 8 is clamped in the U-shaped limiting frame 6 below the elastic sheet 5. The top of arrester body 8 is fixed and is equipped with the push-and-pull ring 7 that is used for pushing into arrester body 8 or pull out spacing 6 on, and the left end of push-and-pull ring 7 is fixed on the top of arrester body 8, and the other end of push-and-pull ring 7 is the ring that outwards distributes that is convenient for the crew member push-and-pull. The lower extreme of arrester body 8 is equipped with and supplies to rotate the link 10 of being connected with base mounting panel 15, and the right-hand member suit that link 10 is the staple bolt is on the lower end of arrester body 8, and the left end of link 10 and the pivot 12 fixed connection that is located the couple 13 on the right-hand member of base mounting panel 15 in. The lower end of the arrester body 8 is provided with a release 9 which is positioned below the connecting frame 10 and is used for taking the arrester with the fault out of the power grid. The lower end of the lightning arrester body 8 is located below the tripper 9 and is provided with a guide vane 11 used for connecting the tripper 9 with a grounding pole 14 on the base installation plate, the right end of the guide vane 11 is connected with the lower end of the tripper 9 through a nut, and the left end of the guide vane 11 is fixedly connected with a corresponding hook 13.

The specific implementation manner of the utility model is as follows: when the line normally runs, the grounding knife 16 is positioned outside the limiting frame 6 and is in a pulling or detaching state, and the lightning arrester body 8 independently runs to deal with the impact of lightning stroke. When lightning stroke causes the lightning arrester body 8 to break down, the tripper 9 at the lower end of the lightning arrester body 8 operates to enable the broken-down lightning arrester body 8 to quit the operation of the power grid and send out a visible mark. The staff climbs to the maintenance position after discovering the signal that arrester body 8 broke down when overhauing, holds the earthing knife 16 that pushes away pull ring 7 on the earthing knife 16 top and break off under the normal condition and pushes away in the spacing 6 of the corresponding U-shaped for keeping the staff to overhaul the safety of circuit and the normal operating of circuit, is pulled down the arrester body 8 that breaks down who hangs on base mounting panel 15 by the staff again. When the worker detaches the arrester body 8 with the fault, the worker completes the installation of the new arrester body 8, then holds the push-pull ring 7 on the grounding knife 16 to pull or detach the grounding knife 16, and power is supplied to the circuit after the operation state is recovered.

Claims

1. A drop-out multifunctional lightning arrester is characterized in that: comprises high-voltage wire connecting plates (1) and a base mounting plate (15) which are arranged in parallel at intervals; a binding post (3) for connecting a high-voltage cable is arranged on the high-voltage wire connecting plate (1), and a grounding post (14) for communicating with a grounding device is arranged on the base mounting plate (15); an insulator (2) is arranged between the high-voltage wire connecting plate (1) and the base mounting plate (15), and two end parts of the high-voltage wire connecting plate (1) and the base mounting plate (15) are respectively and rotatably connected with a grounding knife (16) and a lightning arrester body (8); the top end of the grounding knife (16) is abutted against the high-voltage wire connecting plate (1), the other end of the grounding knife is rotatably connected with the base mounting plate (15), and a guide vane (11) is connected between the other end of the grounding knife and the base mounting plate (15); the top end of the lightning arrester is abutted against the high-voltage wire connecting plate (1), the other end of the lightning arrester is provided with a release (9), and a guide vane (11) is connected between the release (9) on the lightning arrester and the base mounting plate (15).

2. A drop-out multifunctional arrester according to claim 1, characterized in that: the lower edges of two ends of the high-voltage wire connecting plate (1) are respectively provided with an elastic sheet (5), and the top ends of the grounding knife (16) and the lightning arrester body (8) are respectively abutted against the lower edges of the elastic sheets (5); and limiting frames (6) used for clamping the grounding knife (16) and the top end of the lightning arrester body (8) are respectively arranged below the elastic sheets (5) on the high-voltage wire connecting plate (1).

3. A drop-out multifunctional arrester according to claim 2, characterized in that: the limiting frame (6) is U-shaped, and the opening end of the U-shaped limiting frame (6) is arranged in the opposite direction.

4. A drop-out multifunctional arrester according to claim 1, characterized in that: both ends of base mounting panel (15) all are equipped with couple (13), all rotate in couple (13) and are connected with link (10), and the one end of link (10) rotates with couple (13) that correspond respectively and is connected, and the other end is fixed respectively on earthing knife (16) and arrester body (8).

5. A drop-out multifunctional lightning arrester according to claim 4, characterized in that: a rotating shaft (12) for the connecting frame (10) to be in running fit is arranged in the hook (13), and the rotating shaft (12) is fixedly connected with one end of the connecting frame (10).

6. A drop-out multifunctional arrester according to claim 1, characterized in that: push-pull rings (7) are arranged on the top ends of the grounding knife (16) and the lightning arrester body (8).