CN210349468U

CN210349468U - Disc-shaped suspension type porcelain insulator

Info

Publication number: CN210349468U
Application number: CN201921535818.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Luxi Hengda Ceramics Co Ltd
Current assignee: Luxi Hengda Ceramics Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-17
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to an insulator technical field specifically is a disk suspension porcelain insulator, including porcelain spare, iron hat and steel foot, the steel foot lower extreme is equipped with the fixture block rather than integrated into one piece, and the iron hat is equipped with the draw-in groove identical with the fixture block, and the fixture block is equipped with first arc surface, second arc surface and third arc surface, and the third arc surface is equipped with the spacing groove, and the through-hole has been seted up to the iron hat lateral wall, and the through-hole embeds there is the internal thread pipe, internal thread pipe wall threaded connection locating pin, locating pin and spring one end fixed connection, spring other end fixed connection bayonet lock, bayonet lock are identical with the spacing groove. The beneficial effects are that: the utility model discloses a first arc surface, second arc surface and third arc surface for the fixture block has multilayer arc stack structure, structural stability is good, glossy cambered surface, not only easily and draw-in groove cooperation but also local stress is little, and iron cap and steel foot hookup are reliable and stable, utilize the elasticity pretightning force that the spring provided to accomplish the bayonet lock and pin the fixture block, and is simple reliable.

Description

Disc-shaped suspension type porcelain insulator

Technical Field

The utility model relates to an insulator technical field specifically is a disk suspension porcelain insulator.

Background

The suspension insulator is generally formed by gluing or mechanically clamping an insulating part (such as a porcelain part and a glass part) and a metal accessory (such as a steel pin, an iron cap, a flange and the like) by using an adhesive, is widely applied to an electric power system, generally belongs to external insulation, works under atmospheric conditions, and is supported by the insulator so as to insulate buses of overhead transmission lines, power plants and power substations and external live conductors of various electrical equipment from the ground (or a grounding object) or other conductors with potential difference. The insulator is generally made by porcelain spare, and current insulator generally comprises insulator porcelain spare, steel hat and steel foot, and the steel hat generally is fixed on insulator porcelain spare through adhesives such as cement, and the steel angle passes through adhesives such as cement and fixes insulator porcelain spare lower part, and adjacent insulator passes through lug on the steel foot and draw-in groove joint on the steel hat and is in the same place and fixed through the fitting pin, however, because the fitting pin is easy ageing deformation, makes the insulator have the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disk suspension porcelain insulator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a disc-shaped suspension type porcelain insulator comprises a porcelain piece, an iron cap and a steel foot, wherein a first cement adhesive layer is poured on the outer surface of the porcelain piece, the first cement adhesive layer is fixedly connected with the iron cap, a second cement adhesive layer is poured on the inner surface of the porcelain piece, the second cement adhesive layer is fixedly connected with the steel foot, a clamping block which is integrally formed with the steel foot is arranged at the lower end of the steel foot, the iron cap is provided with a clamping groove which is matched with the clamping block, the clamping block of the porcelain insulator which is positioned above is spliced with the clamping groove of the porcelain insulator which is positioned below, the clamping block is sequentially provided with a first arc surface, a second arc surface and a third arc surface from top to bottom, the third arc surface is provided with a limiting groove, the side wall of the iron cap is provided with a through hole, an internal thread pipe is arranged in the through hole, the outer wall of the internal thread pipe is fixedly connected with the iron cap, the other end of the spring is fixedly connected with a bayonet lock, and the bayonet lock is matched with the limiting groove.

Preferably, the vertical cross section of first arc surface, second arc surface and third arc surface is the half slot, and the radius ratio of first arc surface, second arc surface and third arc surface is 5: 4: 8.

preferably, the limiting groove and the through hole are smooth round holes, and the aperture of the limiting groove is equal to that of the through hole.

Preferably, one end, far away from the spring, of the positioning pin is provided with a straight groove or a cross groove, and the spring is a cylindrical stainless steel bolt spring.

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

the utility model has the advantages that the fixture block has a multilayer arc superposition structure, good structural stability and a smooth cambered surface through the first arc surface, the second arc surface and the third arc surface, and is not only easy to be matched with the clamping groove, but also has small local stress, and the iron cap and the steel foot are stably and reliably connected;

the utility model discloses utilize the elasticity pretightning force that the spring provided to accomplish the bayonet lock and pin the fixture block, avoid the fixture block roll-off from the iron hat, it is simple reliable, compare in traditional fitting pin fixed, spring and bayonet lock are in the state of relative seal, are difficult to be corroded by the external world.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 porcelain piece, 2 iron caps, 3 steel feet, 4 first cement glue layers, 5 second cement glue layers, 6 clamping blocks, 601 first arc surfaces, 602 second arc surfaces, 603 third arc surfaces, 604 limiting grooves, 7 clamping grooves, 8 through holes, 9 internal threaded pipes, 10 positioning pins, 11 springs and 12 clamping pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a disk suspension porcelain insulator, including porcelain spare 1, iron hat 2 and steel foot 3, first cement adhesive layer 4 has been pour to 1 surface of porcelain spare, first cement adhesive layer 4 fixed connection iron hat 2, second cement adhesive layer 5 has been pour to 1 internal surface of porcelain spare, 5 fixed connection steel feet 3 on second cement adhesive layer, 3 lower extremes of steel foot are equipped with rather than integrated into one piece's fixture block 6, iron hat 2 is equipped with the draw-in groove 7 identical with fixture block 6, draw-in groove 7 runs through around iron hat 2, wherein the 6 grafting of the porcelain insulator that are located the top of fixture block are located the draw-in groove 7 of the porcelain insulator of below, according to above-mentioned mode, can establish ties a plurality of porcelain insulators.

The fixture block 6 is provided with a first arc surface 601, a second arc surface 602 and a third arc surface 603 from top to bottom in sequence, the vertical cross sections of the first arc surface 601, the second arc surface 602 and the third arc surface 603 are semicircular grooves, and the radius ratio of the first arc surface 601, the second arc surface 602 and the third arc surface 603 is 5: 4: 8. through first arc surface 601, second arc surface 602 and third arc surface 603 for fixture block 6 has multilayer arc stack structure, structural stability is good, glossy cambered surface, not only easily cooperates and local stress is little with draw-in groove 7.

The third arc surface 603 is provided with a limiting groove 604, the side wall of the iron cap 2 is provided with a through hole 8, the limiting groove 604 and the through hole 8 are both smooth round holes, and the aperture of the limiting groove 604 is equal to that of the through hole 8. The through-hole 8 embeds there is internal thread pipe 9, and internal thread pipe 9 outer wall fixed connection iron cap 2, and internal thread pipe 9 inner wall threaded connection locating pin 10, locating

10 and 11 one end fixed connection of spring, 11 other end fixed connection bayonet lock 12 of spring, bayonet lock 12 is identical with spacing groove 604.

The end of the positioning pin 10 far away from the spring 11 is provided with a cross groove, and the spring 11 is a cylindrical stainless steel bolt spring. Through rotating locating pin 10 with the phillips screwdriver, can promote compression spring 11 for spring 11 promotes bayonet lock 12 and stretches into spacing groove 604, utilizes the elasticity pretightning force that spring 11 provided to accomplish bayonet lock 12 and pins fixture block 6, avoids fixture block 6 roll-off from iron cap 2, compares in traditional fitting pin fixed, and spring 11 and bayonet lock 12 are in the state of relative seal, are difficult to be corroded by the external world.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a disk suspension porcelain insulator, includes porcelain spare (1), iron hat (2) and steel foot (3), its characterized in that: the ceramic insulator is characterized in that a first cement adhesive layer (4) is poured on the outer surface of the ceramic piece (1), the first cement adhesive layer (4) is fixedly connected with an iron cap (2), a second cement adhesive layer (5) is poured on the inner surface of the ceramic piece (1), the second cement adhesive layer (5) is fixedly connected with a steel foot (3), a clamping block (6) which is integrally formed with the steel foot (3) is arranged at the lower end of the steel foot (3), a clamping groove (7) which is matched with the clamping block (6) is arranged on the iron cap (2), the clamping block (6) of the upper ceramic insulator is inserted into the clamping groove (7) of the lower ceramic insulator, a first arc surface (601), a second arc surface (602) and a third arc surface (603) are sequentially arranged from top to bottom, a limiting groove (604) is arranged on the third arc surface (603), a through hole (8) is formed in the side wall of the iron cap (2), through-hole (8) embeds there is internal thread pipe (9), internal thread pipe (9) outer wall fixed connection iron cap (2), and internal thread pipe (9) inner wall threaded connection locating pin (10), locating pin (10) and spring (11) one end fixed connection, spring (11) other end fixed connection bayonet lock (12), bayonet lock (12) are identical with spacing groove (604).

2. The disc-shaped suspension porcelain insulator according to claim 1, wherein: the vertical cross section of first arc surface (601), second arc surface (602) and third arc surface (603) is the half slot, and the radius ratio of first arc surface (601), second arc surface (602) and third arc surface (603) is 5: 4: 8.

3. the disc-shaped suspension porcelain insulator according to claim 1, wherein: the limiting groove (604) and the through hole (8) are both smooth round holes, and the aperture of the limiting groove (604) is equal to that of the through hole (8).

4. The disc-shaped suspension porcelain insulator according to claim 1, wherein: the end, far away from the spring (11), of the positioning pin (10) is provided with a straight groove or a cross groove, and the spring (11) is a cylindrical stainless steel bolt spring.