CN216119727U

CN216119727U - Windproof insulator with big umbrella and small umbrella

Info

Publication number: CN216119727U
Application number: CN202122544635.6U
Authority: CN
Inventors: 蔡海多; 陈清春; 朱凌峰; 蔡金鑫; 赖群
Original assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Current assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-22
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to the technical field of insulators, in particular to a large umbrella and small umbrella windproof insulator which comprises a porcelain piece and a steel cap, wherein a plurality of umbrella skirts are arranged in the middle of the porcelain piece, the steel cap is sleeved with the lower end of the porcelain piece, an adhesive is poured between the inner wall of the steel cap and the outer side wall of the lower end of the porcelain piece, a plurality of large convex rings and small convex rings are arranged on the outer side wall of the lower end of the porcelain piece, the large convex rings and the small convex rings are distributed at intervals up and down, a certain gap is formed between the adjacent large convex rings and the adjacent small convex rings, the large convex rings are arranged at the top, and the upper end face of each large convex ring is flush with the upper end face of the side wall of the steel cap. According to the utility model, the contact area between the outer side wall of the lower end of the porcelain piece and the adhesive is increased by the structure of the large convex ring and the small convex ring, so that the connection stability of the steel cap and the porcelain piece is improved; the upper and lower interval distribution structures further improve the connection effect of the adhesive on the ceramic piece and the steel cap; when the adhesive is poured, the large convex ring at the top can effectively prevent the uncured adhesive from overflowing.

Description

Windproof insulator with big umbrella and small umbrella

Technical Field

The utility model relates to the technical field of insulators, in particular to a windproof insulator with a large umbrella and a small umbrella.

Background

The insulator is used for fixed distribution lines, and present porcelain insulator includes porcelain spare, and the one end of porcelain spare is provided with the recess that matches with steel-cored aluminum conductor, and the other end is equipped with the steel cap through pouring into the adhesive, and the steel cap is connected with the bolt. The porcelain insulator is usually with steel-cored aluminum conductor embedding to this recess when fixed distribution lines to use the aluminium wire as the ligature, with steel-cored aluminum conductor ligature on porcelain insulator, and the other end that does not have the steel-cored conductor then passes the fixed orifices that sets up on the high voltage transmission tower with the bolt, screws the nut on the bolt, with the porcelain insulator fix on the high voltage transmission tower. Because the insulator is usually arranged outside, in windy weather, the connection between the steel cap, the stud and the porcelain piece can generate micro-vibration, the connection can be loosened for a long time, and potential safety hazards exist; and along with the live time increases, the wiring can become flexible gradually, and after the wiring pine takes off completely, steel core aluminum conductor dropped, causes the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a wind-proof insulator with a large umbrella and a small umbrella.

The utility model adopts the following technical scheme: the utility model provides an insulator is prevent wind to big or small umbrella, includes porcelain spare and steel cap, the middle part of porcelain spare is equipped with a plurality of full skirts, the steel cap cup joints with the lower extreme of porcelain spare, the glue has been filled between the inner wall of steel cap and the lateral wall of porcelain spare lower extreme, be equipped with a plurality of big bulge loops and little bulge loop on the lateral wall of porcelain spare lower extreme, interval distribution and adjacent big bulge loop and little bulge loop have certain clearance about big bulge loop and the little bulge loop, and the top is big bulge loop, and the up end parallel and level of the up end of this big bulge loop and steel cap lateral wall.

Preferably, the ring width of the large convex ring is 0.7-0.8 times of the distance between the outer side wall of the lower end of the porcelain piece and the inner wall of the steel cap, and the ring width of the small convex ring is 0.3-0.4 times of the distance between the outer side wall of the porcelain piece and the inner wall of the steel cap.

Preferably, the adhesive is an epoxy resin grouting material.

Preferably, the lower end face of the steel cap is provided with an annular convex groove protruding towards the inner cavity of the steel cap, and an adhesive is filled between the upper end face of the convex groove and the lower end face of the porcelain piece.

Preferably, the lower end of the steel cap is provided with a stud, the upper end of the stud penetrates through the steel cap and is embedded into the lower end face of the ceramic piece, the stud is provided with a connecting ring, and the connecting ring is located between the lower end face of the ceramic piece and the bottom face of the inner cavity of the steel cap.

Preferably, the lower terminal surface of porcelain spare is equipped with a constant head tank, the upper end embedding constant head tank of double-screw bolt and with constant head tank inner wall threaded connection.

Preferably, the upper end of porcelain spare is equipped with the wire casing, be equipped with a plurality of regulation holes that correspond each other and a plurality of locating pins that run through the regulation hole on the both sides wall of wire casing, the both ends of locating pin are equipped with the set nut with locating pin threaded connection, set nut and the lateral wall butt of wire casing.

Preferably, the adjusting holes are vertically arranged strip-shaped holes, and two ends of the adjusting holes are arc-shaped structures matched with the positioning pins.

Preferably, the upper end of the cross section of the wire groove is square, and the lower end of the cross section of the wire groove is arc-shaped.

The utility model has at least one of the following beneficial effects:

according to the utility model, the contact area between the outer side wall of the lower end of the porcelain piece and the adhesive is increased by the structure of the large convex ring and the small convex ring, so that the connection stability of the steel cap and the porcelain piece is improved; the large convex ring and the small convex ring are distributed at intervals up and down, so that the position of an adhesive between the inner wall of the steel cap and the outer side wall of the lower end of the ceramic piece can be effectively blocked, and the connecting effect of the adhesive on the ceramic piece and the steel cap is further improved; the convex ring at the top is a large convex ring, the width of the large convex ring is large, and during pouring of the adhesive, the uncured adhesive can be effectively prevented from overflowing.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of detail A of FIG. 1;

FIG. 3 is a schematic side view of the preferred embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the steel cap at the top of the steel cap according to the preferred embodiment of the present invention;

FIG. 5 is a schematic view showing the structure of the lower end of the porcelain according to the preferred embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a stud in a preferred embodiment of the utility model.

Description of reference numerals:

10 porcelain pieces, 11 umbrella skirts, 12 large convex rings, 13 small convex rings, 14 positioning grooves, 15 line grooves, 16 adjusting holes, 17 positioning pins, 18 positioning nuts, 20 steel caps, 21 adhesive, 22 convex grooves, 23 studs and 231 connecting rings.

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.

In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present invention and simplifying the description, and do not refer to or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 6, in a preferred embodiment of the present invention, a large and small umbrella windproof insulator includes a porcelain 10 and a steel cap 20, wherein a plurality of umbrella skirts 11 are disposed in the middle of the porcelain 10, the steel cap 20 is sleeved with the lower end of the porcelain 10, an adhesive 21 is filled between the inner wall of the steel cap 20 and the outer side wall of the lower end of the porcelain 10, a plurality of large convex rings 12 and small convex rings 13 are disposed on the outer side wall of the lower end of the porcelain 10, the large convex rings 12 and the small convex rings 13 are vertically spaced apart from each other, a gap is formed between the adjacent large convex rings 12 and the adjacent small convex rings 13, the uppermost part is the large convex ring 12, and the upper end surface of the large convex ring 12 is flush with the upper end surface of the side wall of the steel cap 20. In the utility model, the structure of the large convex ring 12 and the small convex ring 13 increases the contact area between the outer side wall of the lower end of the porcelain piece 10 and the adhesive 21, and improves the stability of the connection of the steel cap 20 and the porcelain piece 10; the large convex ring 12 and the small convex ring 13 are distributed at intervals up and down, so that the position of an adhesive 21 between the inner wall of the steel cap 20 and the outer side wall of the lower end of the porcelain 10 can be effectively blocked, and the connecting effect of the adhesive 21 on the porcelain 10 and the steel cap 20 is further improved; the convex ring at the top is a large convex ring 12, the ring width of the large convex ring 12 is large, and the uncured adhesive 21 can be effectively prevented from overflowing when the adhesive 21 is poured.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the ring width of the large convex ring 12 is 0.7-0.8 times of the distance between the outer side wall of the lower end of the porcelain piece 10 and the inner wall of the steel cap 20, the ring width of the small convex ring 13 is 0.3-0.4 times of the distance between the outer side wall of the porcelain piece 10 and the inner wall of the steel cap 20, the ring width of the large convex ring 12 and the ring width of the small convex ring 13 are moderate, the manufacture is not influenced, and the stabilizing effect on the connection between the porcelain piece 10 and the steel cap 20 can be achieved; in this embodiment, there are four large collars 12 and three small collars 13, and the umbrella skirt 11 is arranged at intervals between the large and small umbrellas.

The adhesive 21 is epoxy resin grouting material which has better pressure resistance and cohesiveness compared with cement, so that the steel cap 20 and the porcelain 10 are more firmly connected.

The lower terminal surface of steel cap 20 is equipped with one towards the bellied annular tongue 22 of steel cap 20 inner chamber, has filled into adhesive 21 between the lower terminal surface of upper end face and porcelain 10 of tongue 22, and the structure of tongue 22 is very big has improved the mechanical strength of steel cap 20, and has increased the area of contact of bottom surface and adhesive 21 in the lower extreme of steel cap 20, guarantees to connect stably.

The lower end of the steel cap 20 is provided with a stud 23, the upper end of the stud 23 penetrates through the steel cap 23 and is embedded into the lower end surface of the porcelain piece 10, the stud 23 is provided with a connecting ring 231, the connecting ring 231 is positioned between the lower end surface of the porcelain piece 10 and the bottom surface of the inner cavity of the steel cap 20, and the connecting stability of the stud 23 and the steel cap 20 is enhanced by the connecting ring 231; in this embodiment, the connection ring 231 and the stud 23 are integrated, and the stud 23 and the steel cap 20 are fixedly connected.

The lower end face of the porcelain piece 10 is provided with a positioning groove 14, and the upper end of the stud 23 is embedded into the positioning groove 14 and is in threaded connection with the inner wall of the positioning groove 14, so that the connection strength of the stud 23 and the porcelain piece 10 is improved; in this embodiment, the positioning slot 14 is located in the middle of the lower end surface of the porcelain 10.

The upper end of the porcelain 10 is provided with a wire slot 15, two side walls of the wire slot 15 are provided with a plurality of adjusting holes 16 corresponding to each other and a plurality of positioning pins 17 penetrating through the adjusting holes 16, two ends of the positioning pins 17 are provided with positioning nuts 18 in threaded connection with the positioning pins 17, the positioning nuts 18 are abutted against the outer side walls of the wire slot 15, when a steel-cored aluminum wire is placed in the wire slot 15, the positioning pins 17 penetrate through the adjusting holes 16 on the two side walls of the wire slot 15, so that the steel-cored aluminum wire is positioned in the wire slot 15 at the lower end of the positioning pins 17, then the positioning nuts 18 are screwed, so that the positioning pins 17 are fixed, and finally the steel-cored aluminum wire is fixed in the wire slot 15 without wire binding, and can be stably positioned in the wire slot 15; in this embodiment, three adjusting holes 16 are provided on a single side wall of the wire slot 15, and three corresponding positioning pins 17 are provided.

The adjusting hole 16 is a vertically arranged strip-shaped hole, the two ends of the adjusting hole are arc-shaped structures matched with the positioning pin 17, the positioning pin 17 can move up and down in the adjusting hole 16, so that the distance from the middle of the positioning pin 17 to the bottom of the wire slot 15 can be adjusted, steel core aluminum wires with different sizes can be adapted, and the positioning pin 17 can be fixed more stably by the structures at the two ends of the adjusting hole 16; in this embodiment, the outer diameter of the positioning nut 18 is larger than the width of the adjusting hole 16, and the diameter of the positioning pin 17 is slightly smaller than the width of the adjusting hole 16.

The upper end of the section of the wire slot 15 is square, the lower end of the section of the wire slot 15 is arc-shaped, and the whole section of the wire slot 15 is strip-shaped, so that the wire slot 15 is deep enough and can be adapted to cables with various sizes, and the practicability of the cable slot is better.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims

1. The utility model provides an insulator is prevent wind to big-small umbrella, includes porcelain spare (10) and steel cap (20), its characterized in that, the middle part of porcelain spare (10) is equipped with a plurality of full skirts (11), steel cap (20) cup joint with the lower extreme of porcelain spare (10), pour into between the inner wall of steel cap (20) and the lateral wall of porcelain spare (10) lower extreme into glue (21), be equipped with a plurality of big bulge loops (12) and little bulge loop (13) on the lateral wall of porcelain spare (10) lower extreme, interval distribution about big bulge loop (12) and little bulge loop (13) and adjacent big bulge loop (12) and little bulge loop (13) have certain clearance, and the top is big bulge loop (12), and the up end of this big bulge loop (12) is parallel and level with the up end of steel cap (20) lateral wall.

2. The windproof insulator with large and small umbrellas according to claim 1, wherein the ring width of the large convex ring (12) is 0.7-0.8 times of the distance between the outer side wall of the lower end of the porcelain piece (10) and the inner wall of the steel cap (20), and the ring width of the small convex ring (13) is 0.3-0.4 times of the distance between the outer side wall of the porcelain piece (10) and the inner wall of the steel cap (20).

3. A large and small umbrella wind break insulator according to claim 1, wherein said glue (21) is an epoxy resin grout.

4. A wind-proof insulator with large and small umbrellas as claimed in claim 1, wherein the lower end surface of said steel cap (20) is provided with an annular convex groove (22) protruding towards the inner cavity of the steel cap (20), and an adhesive (21) is poured between the upper end surface of said convex groove (22) and the lower end surface of the porcelain piece (10).

5. The windproof insulator with the big umbrella and the small umbrella according to claim 1, wherein the lower end of the steel cap (20) is provided with a stud (23), the upper end of the stud (23) penetrates through the steel cap (20) and is embedded into the lower end face of the porcelain piece (10), the stud (23) is provided with a connecting ring (231), and the connecting ring (231) is located between the lower end face of the porcelain piece (10) and the bottom face of the inner cavity of the steel cap (20).

6. A wind-proof insulator with big and small umbrellas as claimed in claim 5, wherein said porcelain piece (10) is provided with a positioning groove (14) on its lower end surface, and the upper end of said stud (23) is embedded in said positioning groove (14) and is screw-connected with the inner wall of said positioning groove (14).

7. The windproof insulator with large and small umbrellas according to claim 1, wherein a wire casing (15) is provided at the upper end of the porcelain piece (10), a plurality of adjusting holes (16) corresponding to each other and a plurality of positioning pins (17) penetrating the adjusting holes (16) are provided on both side walls of the wire casing (15), positioning nuts (18) in threaded connection with the positioning pins (17) are provided at both ends of the positioning pins (17), and the positioning nuts (18) are abutted against the outer side wall of the wire casing (15).

8. The windproof insulator with a large umbrella and a small umbrella according to claim 7, wherein the adjusting hole (16) is a vertically arranged strip-shaped hole, and the two ends of the adjusting hole are arc-shaped structures matched with the positioning pins (17).

9. The windproof insulator with large and small umbrellas according to claim 7, wherein the cross-section of the wire groove (15) is square at the upper end and arc at the lower end.