CN217881006U

CN217881006U - Arc attracting angle with good arc transfer capacity

Info

Publication number: CN217881006U
Application number: CN202222113629.XU
Authority: CN
Inventors: 汪小霞
Original assignee: Guangdong Hengweitong Power Technology Co ltd
Current assignee: Guangdong Hengweitong Power Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-22
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses an arc transfer ability is good is beckoned to arc, and this beckoned arc angle aims at solving the arc transfer ability of beckoning the arc angle under the prior art relatively poor, and the operating fault's of earthing pole circuit technical problem takes place easily. The arcing horn comprises a rod-shaped body; the left end fixedly connected with connecting plate of bar-shaped body is provided with the fastener on the connecting plate, and the right-hand member fixedly connected with of bar-shaped body bends the section, bends the top fixedly connected with segmental arc of section, and the angle of segmental arc is greater than 180 degrees, the tail end fixedly connected with straightway of segmental arc. This attract globular structure of arc angle tail end changes into the arc structure that is greater than 180 degrees to change into the straightway by the arc at curved tail end, can release huge electric shock energy back to the nature, thereby the improvement electric arc transfer capacity of very big degree reduces the thunder and lightning and causes the damage to the gold utensil above the iron tower, better protection other accessories, avoid the earthing pole circuit to take place the operational failure.

Description

Arc attracting angle with good arc transfer capacity

Technical Field

The utility model belongs to the technical field of transformer substation and high-voltage line, concretely relates to arc angle is beckoned to arc that electric arc transferability is good.

Background

The grounding electrode line is an overhead line connecting a neutral point bus of the converter station and a grounding electrode diversion system, and in order to prevent an insulator of the grounding electrode line from being damaged by ablation of direct current follow current after being struck by lightning, two ends of the insulator are generally additionally provided with arc attracting angles. Since the first direct current line is put into production in China, the frequent occurrence of direct current transmission system faults caused by the fact that direct current returns to the system insulation fault in the ground is caused by the fact that overvoltage breakdown occurs on an earth electrode line, direct current electric arcs generated after flashover cannot be automatically extinguished, and the electric arcs diffuse to insulators from arcing corners, so that the insulators are cracked at high temperature or wires are ablated. Experimental research shows that the arc transfer capability of the conventional arcing horn is poor due to structural defects, and operation faults of the grounding electrode circuit are directly caused.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

An object of the present invention is to provide an arc is beckoned to arc that arc transfer ability is good, and this beckoned arc angle aims at solving under the prior art that the arc transfer ability of beckoned the arc angle is relatively poor, and the technical problem of operational failure takes place easily in the earthing pole circuit.

(2) Technical scheme

In order to solve the technical problem, the utility model provides an arc-shaped arcing horn with good arc transfer capacity, which comprises a rod-shaped body; the left end fixedly connected with connecting plate of clavate body, be provided with the fastener on the connecting plate, the right-hand member fixedly connected with section of bending of clavate body, the top fixedly connected with segmental arc of section of bending, the angle of segmental arc is greater than 180 degrees, the tail end fixedly connected with straightway of segmental arc.

When using this technical scheme's the arc angle of recruitment, the connecting plate of junction adopts to calcine and claps flatly, and specific recess has been designed, rely on the fastening pressure of fastener will recruit the special flat structure of clapping of arc angle and the tight connection of connecting portion, the transmission of rethread gasket, thereby provide more even and invariable pressure effect, can be better make the fastener fix and prevent to drop, and this recruit arc angle structural design simple, do benefit to mass production, simple to operate when also can letting the operation, and the installation effectiveness is improved, through recruiting the globular structure of arc angle tail end with the tradition and changing into the arc structure that is greater than 180 degrees, and change into the straightway at curved tail end by the arc, can return huge electric shock energy release back to nature, thereby the improvement arc transfer ability of very big degree, reduce the thunder and lightning and cause the damage to the gold utensil above the iron tower, better other accessories have protected, avoid the earthing pole circuit to take place the operation trouble.

Preferably, the rod-shaped body, the connecting plate, the bending section, the arc-shaped section and the straight line section are of an integrally formed structure, so that the overall manufacturing process of the arcing horn is simple, and mass production is facilitated.

Furthermore, the connecting plate is made by adopting a calcining process, the upper side and the lower side of the connecting plate are planar, the edge of the upper surface of the connecting plate is arc-shaped, and the structure can not influence the strength of a connecting part, but can better match an arc striking angle with a connecting piece.

Furthermore, the lower surface of the connecting plate is provided with a groove which is transversely arranged, and the arrangement of the groove and the matching of the connecting part can better fix the fastener to prevent the fastener from falling off.

Further, the fastener includes screw, gasket and nut, the mounting hole has been seted up on the connecting plate, the screw run through gasket and mounting hole in proper order and with nut threaded connection, the fastening pressure of screw and nut will attract the special flat structure of clapping of arc angle and be connected with connecting portion are tight, the rethread gasket transmission to provide more even and invariable pressure effect.

Furthermore, the bending section is tangent to the arc section, the arc section is tangent to the straight line section, and the arc section and the straight line section are arranged to enable the bending section and the arc section to be smooth in transition.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the arc attracting angle of the utility model changes the spherical structure of the tail end of the traditional arc attracting angle into an arc structure larger than 180 degrees, and changes the arc into a straight line segment at the tail end of the arc, so that huge electric shock energy can be released back to the nature, thereby greatly improving the electric arc transfer capacity, reducing the damage of lightning on hardware on an iron tower, better protecting other accessories and avoiding the operation fault of an earth electrode circuit;

2. the utility model discloses a connecting plate of waving arc angle junction adopts to calcine to clap flatly to designed specific recess, the fastening pressure that relies on the fastener will be called the special flat structure of clapping of arc angle and the tight connection of connecting portion, the transmission of rethread gasket, thereby provide more even and invariable pressure effect, the messenger fastener that can be better is fixed to be prevented from droing, and should call arc angle structural design simply, do benefit to mass production, simple to operate when also can letting the operation, improve the installation effectiveness.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the apparatus of the present invention;

FIG. 2 is a schematic bottom perspective view of an embodiment of the apparatus of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic front view of an embodiment of the apparatus of the present invention;

fig. 5 is a schematic diagram of a right-side view of an embodiment of the present invention.

The labels in the figures are: 1. a rod-shaped body; 2. a connecting plate; 3. a fastener; 4. bending sections; 5. an arc-shaped section; 6. a straight line segment; 201. a groove; 301. a screw; 302. a gasket; 303. and (4) a nut.

Detailed Description

The specific embodiment is an arc-shaped arcing horn with good arc transfer capability, the structural schematic diagram of which is shown in fig. 1-5, and the arcing horn comprises a rod-shaped body 1; the left end fixedly connected with connecting plate 2 of bar-shaped body 1 is provided with fastener 3 on connecting plate 2, and the right-hand member fixedly connected with of bar-shaped body 1 bends section 4, and the top fixedly connected with segmental arc 5 of section 4 bends, and segmental arc 5's angle is greater than 180 degrees, the tail end fixedly connected with straightway 6 of segmental arc 5.

In the present embodiment, the type and specification of the rod-like body 1 may be set as required.

Wherein, rod-like body 1, connecting plate 2, bend section 4, segmental arc 5 and straightway 6 adopt integrated into one piece structure.

In addition, the connecting plate 2 is manufactured by adopting a calcining process, the upper side and the lower side of the connecting plate 2 are planar, and the edge of the upper surface of the connecting plate 2 is arc-shaped.

Wherein, the lower surface of connecting plate 2 is seted up recess 201, and recess 201 transversely sets up.

In addition, the fastener 3 includes a screw 301, a spacer 302 and a nut 303, a mounting hole is opened on the connecting plate 2, and the screw 301 sequentially penetrates through the spacer 302 and the mounting hole and is in threaded connection with the nut 303.

In addition, bending section 4 is tangent to arc section 5, and arc section 5 is tangent to straight line section 6.

The arcing horn is shown in a perspective view in fig. 1, and a fastener 3 is shown in a structural view in fig. 3.

When the device of the technical scheme is used, the connecting plate 2 at the connecting part is flattened by calcination, the specific groove 201 is designed, a specially-made flattening structure of the arcing horn is tightly connected with the connecting part by the fastening pressure of the fastening piece 3, and then the flattening structure is transmitted by the gasket 302, so that a uniform and constant pressure action is provided, the fastening piece 3 can be better fixed and prevented from falling off, the arcing horn is simple in structural design and beneficial to mass production, the installation is convenient during operation, the installation efficiency is improved, the traditional spherical structure at the tail end of the arcing horn is changed into an arc structure more than 180 degrees, and the arc tail end of the arc is changed into a straight line section 6, so that huge electric shock energy can be released back to the nature, the arc transfer capacity is greatly improved, the damage of hardware on an iron tower caused by lightning is reduced, other accessories are better protected, the operation fault of a grounding electrode line is avoided, the arcing horn is changed into a lightning protection type and dredging type lightning protection type, namely, a pair of arc leading electrodes are connected in parallel at two ends of a lead insulator string to form a discharge gap, when lightning strikes on the earth surface, the ground surface, and the lightning current can be quickly introduced into the lightning protection type through the lightning protection concept of the ground; when the lightning strike pole tower is counterstruck, the lightning current can be quickly led to a discharge gap until an electric arc disappears, the insulator string is prevented from being damaged due to flashover, a special tail end structure is greatly different from a previous arcing horn, the functional effect of the special tail end structure is more remarkable than that of the previous arcing horn, and the special tail end structure has great advantages in both protection in the aspect of a circuit and installation.

Claims

1. An arc-shaped arcing horn with good arc transfer capability comprises a rod-shaped body (1); the bending device is characterized in that a connecting plate (2) is fixedly connected to the left end of the rod-shaped body (1), a fastening piece (3) is arranged on the connecting plate (2), a bending section (4) is fixedly connected to the right end of the rod-shaped body (1), an arc section (5) is fixedly connected to the top end of the bending section (4), the angle of the arc section (5) is larger than 180 degrees, and a straight line section (6) is fixedly connected to the tail end of the arc section (5).

2. The arc-shaped arcing horn with good arc transferring capability according to claim 1, wherein the rod-shaped body (1), the connecting plate (2), the bending section (4), the arc-shaped section (5) and the straight section (6) are integrally formed.

3. The arc-shaped arcing horn with good arc transferring capability according to claim 2, wherein the connecting plate (2) is manufactured by a calcination process, the upper side and the lower side of the connecting plate (2) are planar, and the edge of the upper surface of the connecting plate (2) is arc-shaped.

4. The arc-shaped arcing horn with good arc transferring capability according to claim 3, wherein the lower surface of the connecting plate (2) is provided with a groove (201), and the groove (201) is transversely arranged.

5. The arc-shaped arcing horn with good arc transfer capacity according to claim 4, wherein the fastener (3) comprises a screw (301), a gasket (302) and a nut (303), the connecting plate (2) is provided with a mounting hole, and the screw (301) sequentially penetrates through the gasket (302) and the mounting hole and is in threaded connection with the nut (303).

6. The arc extinguishing angle with good arc transferring capability according to claim 5, characterized in that the bending section (4) is tangent to the arc section (5), and the arc section (5) is tangent to the straight section (6).