CN216250200U

CN216250200U - Composite cross arm insulator

Info

Publication number: CN216250200U
Application number: CN202123119621.6U
Authority: CN
Inventors: 张磊
Original assignee: Shandong Oulis New Material Technology Co ltd
Current assignee: Shandong Oulis New Material Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-08
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to a composite cross arm insulator, which comprises an insulator body, wherein a lower mounting seat is rotatably arranged at the bottom end of the insulator body, an upper mounting seat is rotatably arranged at the top end of the insulator body, a fixing head is arranged at the top end of the upper mounting seat, a placing groove is formed in the upper end surface of the fixing head, a winding groove is formed in the outer end surface of the fixing head, a mounting column is arranged on the lower end surface of the fixing head, a first threaded hole is formed in the outer end surface of the mounting column, a plurality of first threaded holes are arranged in the circumferential direction of the first threaded holes, a mounting groove is formed in the upper end surface of the upper mounting seat corresponding to the mounting column, a second threaded hole is formed in the inner wall of the mounting groove corresponding to the plurality of first threaded holes, and the first threaded holes and the second threaded holes are connected through bolts; the design of the fixed head is convenient to replace; the design of the supporting rod and the supporting plate facilitates the rotation adjustment; the design of the connecting column facilitates connection and matching.

Description

Composite cross arm insulator

Technical Field

The utility model relates to the technical field of composite insulators, in particular to a composite cross arm insulator.

Background

The composite cross arm insulator is a composite insulator, is used for keeping the horizontal insulation distance between a wire and an iron tower or between wires, is mainly used for fixing a cable down lead of a terminal tower of an overhead line, fixing a transposed wire on the same tower and the like, has two basic functions in an overhead transmission line, namely supporting the wire and preventing current from flowing back to the ground, and has the prior patent number of 201820920396.5, although the device can reduce the friction between the wire and the cross arm by reforming the neck part of a metal cross arm at the upper end, effectively protects the integrity of the surface of the wire and better bears the weight of the wire, and prevents the insulator from being broken due to wind swing, when the device is integrally used, the installation space is not standard, the installation difficulty is low, the device is inconvenient to adjust, when the device is used, a plurality of structures need to be respectively installed correspondingly, and the installation efficiency is low, and the fixing head at the upper end of the device is easy to damage, so that the device is inconvenient to disassemble and operate, and the whole replacement cost is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a composite cross arm insulator.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a composite cross arm insulator, includes the insulator body, insulator body bottom is rotated and is equipped with down the mount pad, insulator body top is rotated and is equipped with the mount pad, it is equipped with the fixed head to go up the mount pad top, the standing groove has been seted up to the fixed head up end, the wire winding groove has been seted up to the terminal surface outside the fixed head, the terminal surface is equipped with the erection column under the fixed head, first screw hole has been seted up to the terminal surface outside the erection column, be provided with a plurality ofly on the first screw hole circumferencial direction, it corresponds the mounting groove to go up the mount pad up end the erection column has been seted up, it is a plurality of to correspond on the mounting groove inner wall second screw hole has been seted up to first screw hole, first screw hole and second screw hole pass through bolted connection.

Preferably in further, all be equipped with the bracing piece on going up the mount pad and the mount pad down, two both ends all are equipped with the pivot around the bracing piece, the equal symmetry of both ends face is equipped with the backup pad about the insulator body, and is a plurality of the pivot respectively with a plurality of the backup pad is rotated and is connected, conveniently rotates the regulation.

Preferably, the support rods are provided with a first limiting hole, the support plates are provided with a plurality of second limiting holes corresponding to the first limiting holes, the second limiting holes are formed in the circumferential direction of the second limiting holes, and the first limiting holes and the second limiting holes are connected through bolts to limit rotation.

Preferably in further, the insulator body is provided with a plurality of, and is a plurality of insulator body bottom all is equipped with the connecting block, and is a plurality of the symmetry all is equipped with the spliced pole between the connecting block, conveniently connects.

In further preferred, both ends all correspond a plurality ofly about the connecting block the spliced pole has seted up the spread groove, makes things convenient for the spliced pole installation.

Preferably in further, a plurality of first mounting hole has all been seted up to the spliced pole up end left and right sides, and is a plurality of the connecting block up end all corresponds a plurality of the second mounting hole has been seted up to first mounting hole, bolted connection is passed through to first mounting hole and second mounting hole, guarantees to connect stably.

In further preferred, a plurality of the spliced pole all is provided with the multiunit, the multiunit the spliced pole length difference sets up, and the convenience is adjusted the interval as required.

(III) advantageous effects

Compared with the prior art, the utility model provides a composite cross arm insulator which has the following beneficial effects:

according to the utility model, the fixing head is designed and used for a long time, the fixing head is damaged, the fixing head is replaced, an electric wire is taken down from the fixing head, bolts in the first threaded hole and the second threaded hole are taken out, the fixing head is replaced, the fixing head with the mounting column is taken out from the mounting groove, the mounting column and the mounting groove of a new fixing head are installed in a matched mode, and the bolts penetrate through the first threaded hole and the second threaded hole to be screwed and fixed, so that replacement is realized; the design of the supporting rod and the supporting plate is that the supporting rod with a rotating shaft rotates relative to the supporting plate, after the supporting rod rotates to a proper position, a first limiting hole on the supporting rod corresponds to one second limiting hole on the supporting plate, and a bolt penetrates through the first limiting hole and the second limiting hole to be screwed and fixed; the design of spliced pole is installed a plurality of insulators cooperations that have the connecting block, selects the spliced pole of suitable length according to installation distance, corresponds the spliced pole and installs in the spread groove of two adjacent connecting block opposite faces, and the bolt passes first mounting hole and second mounting hole and screws up fixedly, realizes that the cooperation of connecting block and spliced pole is connected.

Drawings

FIG. 1 is a schematic view of a preferred overall structure of a composite cross arm insulator according to the present invention;

FIG. 2 is an exploded view of a preferred upper mounting seat, fixing head, support rod, rotating shaft and support plate matching structure of the composite cross arm insulator of the present invention;

fig. 3 is a schematic view of a preferred connection column structure of a composite cross arm insulator according to the present invention.

In the figure: 1. an insulator body; 2. a lower mounting seat; 3. an upper mounting seat; 4. a fixed head; 5. a placement groove; 6. a winding slot; 7. mounting a column; 8. a first threaded hole; 9. mounting grooves; 10. a second threaded hole; 11. a support bar; 12. a rotating shaft; 13. a support plate; 14. a first limit hole; 15. a second limiting hole; 16. connecting blocks; 17. connecting columns; 18. connecting grooves; 19. a first mounting hole; 20. and a second mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 2, a composite cross arm insulator includes an insulator body 1, a lower mounting seat 2 is rotatably disposed at the bottom end of the insulator body 1, an upper mounting seat 3 is rotatably disposed at the top end of the insulator body 1, a fixing head 4 is disposed at the top end of the upper mounting seat 3, a placement groove 5 is disposed on the upper end face of the fixing head 4, a winding groove 6 is disposed on the outer end face of the fixing head 4, a mounting post 7 is disposed on the lower end face of the fixing head 4, a first threaded hole 8 is disposed on the outer end face of the mounting post 7, a plurality of first threaded holes 8 are circumferentially disposed on the first threaded holes 8, a mounting groove 9 is disposed on the upper end face of the upper mounting seat 3 corresponding to the mounting post 7, a second threaded hole 10 is disposed on the inner wall of the mounting groove 9 corresponding to the plurality of first threaded holes 8, and the first threaded hole 8 and the second threaded hole 10 are connected through a bolt.

Referring to fig. 1 and 2, in the present embodiment, the upper mounting base 3 and the lower mounting base 2 are respectively provided with a support rod 11, the front and rear ends of the two support rods 11 are respectively provided with a rotating shaft 12, the upper and lower end surfaces of the insulator body 1 are respectively symmetrically provided with a support plate 13, the plurality of rotating shafts 12 are respectively rotatably connected with the plurality of support plates 13, the two support rods 11 are respectively provided with a first limiting hole 14, the plurality of support plates 13 are respectively provided with a second limiting hole 15 corresponding to the first limiting hole 14, the second limiting holes 15 are circumferentially provided with a plurality of first limiting holes 14 and second limiting holes 15, the support rods 11 with the rotating shafts 12 are connected with the support plates 13 through bolts, and after rotating to a proper position, the first limiting hole 14 on the supporting rod 11 corresponds to one second limiting hole 15 on the supporting plate 13, and the bolt penetrates through the first limiting hole 14 and the second limiting hole 15 to be screwed and fixed.

Referring to fig. 1 and 3, in the present embodiment, a plurality of insulator bodies 1 are provided, a plurality of connecting blocks 16 are provided at the bottom of each insulator body 1, connecting posts 17 are symmetrically provided between the plurality of connecting blocks 16, connecting grooves 18 are provided at both left and right ends of each connecting block 16 corresponding to the plurality of connecting posts 17, first mounting holes 19 are provided at both left and right sides of the upper end surface of each connecting post 17, second mounting holes 20 are provided at the upper end surface of each connecting block 16 corresponding to the plurality of first mounting holes 19, the first mounting holes 19 are connected with the second mounting holes 20 by bolts, a plurality of connecting posts 17 are provided, the connecting posts 17 are different in length, selecting a connecting column 17 with a proper length according to the installation distance, correspondingly installing the connecting column 17 in the connecting grooves 18 on the opposite surfaces of two adjacent connecting blocks 16, and screwing and fixing the bolts through the first installation holes 19 and the second installation holes 20.

Example two:

in summary, when in use, firstly, a plurality of insulator bodies 1 are installed according to external installation conditions, a plurality of insulators with connecting blocks 16 are installed in a matching manner, connecting columns 17 with proper lengths are selected according to installation distances, the connecting columns 17 are correspondingly installed in connecting grooves 18 on opposite surfaces of two adjacent connecting blocks 16, bolts penetrate through first installing holes 19 and second installing holes 20 to be screwed and fixed, the connecting blocks 16 and the connecting columns 17 are connected in a matching manner, after the insulator bodies 1 with the connecting blocks 16 are connected, the insulator bodies 1 with lower installing seats 2 are installed corresponding to external bracket pieces, the lower installing seats 2 are rotatably adjusted according to use conditions, a supporting rod 11 with a rotating shaft 12 rotates relative to a supporting plate 13, after the supporting rod 11 rotates to a proper position, a first limiting hole 14 on the supporting rod 11 corresponds to a second limiting hole 15 on the supporting plate 13, the bolt passes through the first limit hole 14 and the second limit hole 15 to be screwed and fixed.

Example three:

in summary, when in use, after the lower mounting seats 2 of the insulator bodies 1 are mounted, the upper mounting seat 3 and the external electric wires are mounted in a matching manner, the supporting rod 11 with the rotating shaft 12 is rotated to a proper position relative to the supporting plate 13, the bolts pass through the first limiting hole 14 and the second limiting hole 15 to be screwed and fixed, so that the upper mounting seat 3 is limited and fixed, after the fixing is completed, the external electric wires are correspondingly mounted in the placing grooves 5 of the fixing heads 4, the external electric wires are wound on the fixing heads 4 by the iron wires, the iron wires are wound on the winding grooves 6, so that the stable mounting of the electric wires is realized, after the stable mounting of the electric wires is completed, the whole device is put into use, the fixing heads 4 are damaged after long-time use, the fixing heads 4 are replaced, the electric wires are taken down from the fixing heads 4, the bolts in the first threaded holes 8 and the second threaded holes 10 are taken out, and the fixing heads 4 are replaced, the fixing head 4 with the mounting column 7 is taken out from the mounting groove 9, the mounting column 7 and the mounting groove 9 of the new fixing head 4 are installed in a matched mode, the bolt penetrates through the first threaded hole 8 and the second threaded hole 10 to be screwed and fixed, and replacement is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. A composite cross arm insulator comprises an insulator body (1) and is characterized in that a lower mounting seat (2) is arranged at the bottom end of the insulator body (1) in a rotating mode, an upper mounting seat (3) is arranged at the top end of the insulator body (1) in a rotating mode, a fixing head (4) is arranged at the top end of the upper mounting seat (3), a placing groove (5) is formed in the upper end face of the fixing head (4), a winding groove (6) is formed in the outer end face of the fixing head (4), a mounting column (7) is arranged on the lower end face of the fixing head (4), a first threaded hole (8) is formed in the outer end face of the mounting column (7), a plurality of first threaded holes (8) are formed in the circumferential direction of the first threaded holes (8), a mounting groove (9) is formed in the upper end face of the upper mounting seat (3) corresponding to the mounting column (7), a plurality of second threaded holes (10) are formed in the inner wall of the mounting groove (9) corresponding to the first threaded holes (8), the first threaded hole (8) and the second threaded hole (10) are connected through a bolt.

2. A composite cross arm insulator according to claim 1, wherein: go up and all be equipped with bracing piece (11), two on mount pad (3) and mount pad (2) down both ends all are equipped with pivot (12) around bracing piece (11), the equal symmetry of both ends face is equipped with backup pad (13) about insulator body (1), and is a plurality of pivot (12) respectively with a plurality of backup pad (13) rotate the connection.

3. A composite cross arm insulator according to claim 2, wherein: two all seted up first spacing hole (14) on bracing piece (11), it is a plurality of all correspond on backup pad (13) second spacing hole (15) have been seted up in first spacing hole (14), be provided with a plurality ofly on the spacing hole of second (15) circumferencial direction, first spacing hole (14) and the spacing hole of second (15) pass through bolted connection.

4. A composite cross arm insulator according to claim 1, wherein: insulator body (1) is provided with a plurality ofly, and is a plurality of insulator body (1) bottom all is equipped with connecting block (16), and is a plurality of the symmetry all is equipped with spliced pole (17) between connecting block (16).

5. A composite cross arm insulator according to claim 4, wherein: both ends all correspond a plurality ofly about connecting block (16) connecting groove (18) have been seted up in spliced pole (17).

6. A composite cross arm insulator according to claim 5, wherein: a plurality of first mounting hole (19) have all been seted up to the spliced pole (17) up end left and right sides, and are a plurality of connecting block (16) up end all corresponds a plurality of second mounting hole (20) have been seted up in first mounting hole (19), first mounting hole (19) and second mounting hole (20) pass through bolted connection.

7. The composite cross arm insulator of claim 6, wherein: the connecting columns (17) are all provided with multiple groups, and the connecting columns (17) are different in length.