CN219697271U - Detachable arrester cross arm - Google Patents

Abstract

The utility model relates to the technical field of lightning arresters, in particular to a detachable lightning arrester cross arm, which comprises a lightning arrester and a connecting cross arm, wherein the lower end of the lightning arrester is provided with a fixing device, the fixing device comprises a connecting sliding sleeve and a movable seat, the lower end of the connecting sliding sleeve is abutted against the lightning arrester, and the inner wall of the movable seat is abutted against the lightning arrester. The outer wall on the connecting cross arm is respectively inserted into the groove of the mounting plate, so that the outer wall of the connecting cross arm is fixedly attached to the mounting plate, the mounting support is obliquely moved towards the connecting cross arm, the connecting piece on the mounting support is inserted into the clamping groove on the surface of the connecting cross arm, the mounting support is tightly fixed on the connecting cross arm, the end part of the whole connection can be dismounted through the same reverse operation, the whole equipment is separated from the mounting position, a lightning arrester is loosened, the mounting support is directly dismounted, the connecting part of the mounting support and the connecting cross arm cannot be influenced by other factors, and the whole device is simple.

Description

Detachable arrester cross arm

Technical Field

The utility model relates to the technical field of lightning arresters, in particular to a detachable lightning arrester cross arm.

Background

Along with the rapid development of the electric technology in China, while many technologies are in a new stage, the development of equipment in an electric power system and the field of the electric power system cannot be ignored, the development of the electric power system is closely related to the development of industry, agriculture and the like, at present, the country has large investment on a power grid and large demand on a cross arm, and in order to protect electric power facilities from the impact of lightning overvoltage and system overvoltage, a lightning arrester is generally installed.

For example, the live-line detachable arrester cross arm of the distribution line with the authorized bulletin number of 'CN 218449424U', although the existing live-line detachable arrester cross arm of the distribution line is solved, the distribution line arrester cannot be cleaned and replaced periodically after being put into operation, the connecting plate is connected with the mounting support through bolts and nuts, when the connecting knob insulator and other places fail in use, the connecting support can be replaced conveniently, the connecting base and the connecting knob insulator are installed through bolts and nuts, the grounding wire and the connecting base are installed through bolts and nuts, the mounting support is of a T-shaped structure, the mounting support and the connecting cross arm are connected through bolts and nuts, the mounting support and the connecting cross arm are fixed through bolts, the bolts are exposed outside, the connecting position of the connecting support and the connecting cross arm cannot be detached due to corrosion and rust of the bolts, and the problem of difficult disassembly is caused.

Disclosure of Invention

The utility model aims to solve the problems that the existing distribution line electrified detachable arrester cross arm is corroded and rusted easily due to wet weather and rainy weather, and the connection part of an installation support and a connecting cross arm cannot be detached, so that the detachment is difficult.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can dismantle arrester cross arm, includes arrester and connection cross arm, the lower extreme of arrester is equipped with fixing device, fixing device is including connecting sliding sleeve and movable seat, the lower extreme of connecting the sliding sleeve offsets tightly with the arrester, the inner wall of movable seat offsets tightly with the arrester, the movable seat is through round pin axle and connection base fixed connection, the fuse column is installed to the outer wall of connection base, the tip and the movable seat electric connection of fuse column, the connection base passes through bolt and first connecting plate fixed connection.

Preferably, the outer wall of the connecting cross arm is provided with a mounting device, the mounting device comprises a connecting piece, the outer wall of the connecting piece is propped against the connecting cross arm tightly, the end part of the connecting piece is fixedly connected with a mounting support, the mounting support is fixedly connected with a movable plate through a bolt, and the movable plate is fixedly connected with a second connecting plate through a bolt.

Preferably, the end part of the second connecting plate is fixedly connected with the connecting knob, and the connecting knob is fixedly connected with the connecting sliding sleeve through a bolt.

Preferably, the connecting sliding sleeve is fixedly connected with the connecting block through a bolt, the connecting block is fixedly connected with the lead through a bolt, the end part of the lead is fixedly connected with the wire clamp main body, the inner wall of the wire clamp main body is in threaded connection with the threaded rod, and the end part of the threaded rod is fixedly connected with the wire clamp seat.

Preferably, the clamping groove is arranged on the outer wall of the connecting cross arm, and the outer wall of the connecting cross arm is abutted against the mounting plate.

Preferably, the outer wall of the connection base is electrically connected with the ground wire.

The detachable arrester cross arm provided by the utility model has the beneficial effects that: the outer wall on the connecting cross arm is respectively inserted into the groove of the mounting plate, so that the outer wall of the connecting cross arm is fixedly attached to the mounting plate, the mounting support is obliquely moved towards the connecting cross arm, the connecting piece on the mounting support is inserted into the clamping groove on the surface of the connecting cross arm, the mounting support is tightly fixed on the connecting cross arm, the end part of the whole connection can be dismounted through the same reverse operation, the whole equipment is separated from the mounting position, a lightning arrester is loosened, the mounting support is directly dismounted, the connecting part of the mounting support and the connecting cross arm cannot be influenced by other factors, and the whole device is simple.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the connecting cross arm of FIG. 1;

FIG. 3 is an enlarged schematic view of the mounting device of FIG. 1;

FIG. 4 is an enlarged schematic view of the fixing device shown in FIG. 1;

FIG. 5 is an enlarged schematic view of the mounting plate of FIG. 1;

fig. 6 is a schematic view of a mounting structure of a lead in the present utility model.

In the figure: 1. a lightning arrester 2, a connecting cross arm 3, a fixing device 301, a connecting sliding sleeve 302, a movable seat 303, a fuse column 304, a connecting base 305, a first connecting plate 4, a mounting device 401 and a connecting piece, 402, mounting posts, 403, connecting plates, 404, movable plates, 5, connecting knob insulator, 6, connecting blocks, 7, lead wires, 8, wire clamp main body, 9, threaded rod, 10, wire clamp seat, 11, clamping grooves, 12, mounting plates, 13 and ground wires.

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a can dismantle arrester cross arm, including arrester 1 and connection cross arm 2, the lower extreme of arrester 1 is equipped with fixing device 3, dismantle movable seat 302 on the connection base 304 through inserting and extracting the cotter, fixing device 3 is including connecting sliding sleeve 301 and movable seat 302, the lower extreme of connecting sliding sleeve 301 offsets tightly with arrester 1, the inner wall of movable seat 302 offsets tightly with arrester 1, movable seat 302 is through round pin axle and connection base 304 fixed connection, the fuse post 303 is installed to the outer wall of connection base 304, the tip and the movable seat 302 electric connection of fuse post 303, connection base 304 passes through bolt and first connecting plate 305 fixed connection.

Referring to fig. 1, 2 and 4, the outer wall of the connecting cross arm 2 is provided with a mounting device 4, the outer wall of the connecting cross arm 2 is respectively inserted into a groove of the mounting plate 12 to enable the outer wall of the connecting cross arm 2 to be fixedly attached to the mounting plate 12, the fixed mounting device 4 for realizing the connection of the connecting cross arm 2 comprises a connecting piece 401, the outer wall of the connecting piece 401 is abutted against the connecting cross arm 2, the end part of the connecting piece 401 is fixedly connected with a mounting support 402, the mounting support 402 is fixedly connected with a movable plate 404 through a bolt, and the movable plate 404 is fixedly connected with a second connecting plate 403 through a bolt;

the outer wall on the connection cross arm 2 inserts respectively on the recess of mounting panel 12, make the outer wall and the mounting panel 12 of connection cross arm 2 fixed close to installation pillar 402 is to connecting cross arm 2 removal, connecting piece 401 on the installation pillar 402 inserts draw-in groove 11 on the connection cross arm 2 surface, installation pillar 402 supports tightly fixedly at connection cross arm 2, the end that just can whole be connected is dismantled to the reverse operation of the same, make whole equipment break away from the mounted position, make arrester 1 appear becoming flexible, directly dismantle, make installation pillar and connection cross arm junction can not receive other factors to influence, can be whole simple.

Referring to fig. 1 and 2, the end of the second connection plate 403 is fixedly connected with the connection knob 5, the connection knob 5 is fixedly connected with the connection sliding sleeve 301 through a bolt, the connection sliding sleeve 301 is fixedly connected with the connection block 6 through a bolt, the connection block 6 is fixedly connected with the lead 7 through a bolt, the end of the lead 7 is fixedly connected with the wire clamp main body 8, the inner wall of the wire clamp main body 8 is in threaded connection with the threaded rod 9, and the end of the threaded rod 9 is fixedly connected with the wire clamp seat 10.

Referring to fig. 1 and 2, the outer wall of the connecting cross arm 2 is provided with a clamping groove 11, the outer wall of the connecting cross arm 2 is abutted against the mounting plate 12, and the outer wall of the connecting base 304 is electrically connected with the ground wire 13.

Working principle:

firstly, fixing a mounting plate 12 on a mounting position to be mounted by means of welding, bolts and the like, taking out a connecting cross arm 2, respectively inserting the outer wall on the connecting cross arm 2 into a groove of the mounting plate 12, fixing the outer wall of the connecting cross arm 2 with the mounting plate 12, taking out a mounting pillar 402 to move obliquely towards the connecting cross arm 2, inserting a connecting piece 401 on the mounting pillar 402 into a clamping groove 11 on the surface of the connecting cross arm 2, fixing the mounting pillar 402 on the connecting cross arm 2, taking out a lightning arrester 1, enabling the end part of the lightning arrester 1 to slide into the fixing position of a connecting sliding sleeve 301, simultaneously inserting the inner wall of a movable seat 302 into the end part of the lightning arrester 1, fixing the lower end of the movable seat 302 on a connecting base 304 by inserting a pin bolt into the connecting base 304 through the movable seat 302, fixing the lower end of the movable seat 302 with the connecting base 304, screwing threaded rods 9 and 9 on the inner wall of a wire clamp main body 8 to push the wire clamp seat 10 to move until the threaded rod seat 10 fixes a wire, and connecting the wire and the lightning arrester.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Can dismantle arrester cross arm, including arrester (1) and connection cross arm (2), its characterized in that: the lower extreme of arrester (1) is equipped with fixing device (3), fixing device (3) are including connecting sliding sleeve (301) and movable seat (302), the lower extreme of connecting sliding sleeve (301) offsets tightly with arrester (1), the inner wall of movable seat (302) offsets tightly with arrester (1), movable seat (302) are through round pin axle and connection base (304) fixed connection, fuse post (303) are installed to the outer wall of connection base (304), the tip and the movable seat (302) electric connection of fuse post (303), connection base (304) are through bolt and first connecting plate (305) fixed connection.

2. A detachable arrester crossarm according to claim 1, wherein: the outer wall of connecting cross arm (2) is equipped with installation device (4), installation device (4) are including connecting piece (401), the outer wall of connecting piece (401) offsets tightly with connecting cross arm (2), the tip and the installation pillar (402) fixed connection of connecting piece (401), installation pillar (402) pass through bolt and fly leaf (404) fixed connection, fly leaf (404) pass through bolt and second connecting plate (403) fixed connection.

3. A detachable arrester crossarm according to claim 2, wherein: the end part of the second connecting plate (403) is fixedly connected with the connecting knob (5), and the connecting knob (5) is fixedly connected with the connecting sliding sleeve (301) through a bolt.

4. A detachable arrester crossarm according to claim 1, wherein: the connecting sliding sleeve (301) is fixedly connected with the connecting block (6) through a bolt, the connecting block (6) is fixedly connected with the lead (7) through a bolt, the end part of the lead (7) is fixedly connected with the wire clamp main body (8), the inner wall of the wire clamp main body (8) is in threaded connection with the threaded rod (9), and the end part of the threaded rod (9) is fixedly connected with the wire clamp seat (10).

5. A detachable arrester crossarm according to claim 1, wherein: the outer wall of the connecting cross arm (2) is provided with a clamping groove (11), and the outer wall of the connecting cross arm (2) is abutted against the mounting plate (12).

6. A detachable arrester crossarm according to claim 1, wherein: the outer wall of the connecting base (304) is electrically connected with the ground wire (13).