CN210349467U

CN210349467U - Rod-shaped suspension type porcelain insulator

Info

Publication number: CN210349467U
Application number: CN201921535820.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangxi Kunbida Electric Power Co Ltd
Current assignee: Jiangxi Kunbida Electric Power 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 rod-shaped suspension porcelain insulator, including the insulator body, insulator body top is equipped with the iron hat, and insulator body bottom is equipped with the steel foot, and the iron hat top is equipped with the draw-in groove, and the draw-in groove embeds there is the locating lever, and the steel foot is equipped with the fixture block rather than integrated into one piece, and the fixture block is equipped with the nut groove, and nut groove rear is equipped with the circular through hole that runs through the fixture block, circular through hole and locating lever position phase-match, locating lever threaded connection fastening nut, and the locating lever periphery still overlaps. The beneficial effects are that: the utility model discloses simple structure, convenient to use, the fastener that locating lever and fastening nut constitute provides more strong points for fixture block and iron cap, and the fixture block and the iron cap that adopt the multiple spot to support are difficult to warp, and stable in structure is reliable, long service life.

Description

Rod-shaped suspension type porcelain insulator

Technical Field

The utility model relates to an insulator technical field specifically is a rod-shaped 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, but 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 rod-shaped 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: the utility model provides a rod-shaped suspension porcelain insulator, includes the insulator body, insulator body top is equipped with the iron hat, and insulator body bottom is equipped with the steel foot, the iron hat top is equipped with the draw-in groove, the draw-in groove embeds there is the locating lever, the steel foot is equipped with rather than integrated into one piece's fixture block, the fixture block is equipped with the nut groove, nut groove rear is equipped with the circular through hole that runs through the fixture block, circular through hole and locating lever position phase-match, locating lever threaded connection fastening nut, locating lever periphery still overlap and are equipped with the gasket.

Preferably, the vertical section of the fixture block is an inverted isosceles trapezoid, and the periphery of the fixture block is rounded.

Preferably, the locating lever is half thread bolt, and the round bar section diameter of locating lever equals with circular through hole aperture, and smooth polishing treatment is done to the downthehole wall of circular through hole, and rust-resistant treatment is done to the screw rod section of locating lever.

Preferably, the number of the positioning rods is four, and the four positioning rods are arranged in a cross shape in the vertical direction.

Preferably, the fastening nut is a hexagon nut, and when the clamping block of the insulator body located above is inserted into the clamping groove of the insulator body located below, the fastening nut is located in the nut groove.

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

1. the utility model has simple structure and convenient use, the fastener consisting of the positioning rod and the fastening nut provides more supporting points for the fixture block and the iron cap, the fixture block and the iron cap which are supported by multiple points are not easy to deform, the structure is stable and reliable, and the service life is long;

2. when the clamping block of the insulator body located above is inserted into the clamping groove of the insulator body located below, the fastening nut is located in the nut groove, namely the fastening nut is not exposed outside, the corrosion probability of the fastening nut is reduced, and the gasket is used for being placed between the fastening nut and the clamping block and used for reducing the pressure damage of the fastening nut to the clamping block.

Drawings

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

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is an enlarged schematic view of part B in fig. 1.

In the figure: 1 insulator body, 2 iron caps, 3 steel feet, 4 clamping grooves, 5 positioning rods, 6 clamping blocks, 7 nut grooves, 8 circular through holes, 9 fastening nuts and 10 gaskets.

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 rod-shaped suspension type porcelain insulator comprises an insulator body 1, wherein the top of the insulator body 1 is fixedly connected with an iron cap 2 through cement, and the bottom of the insulator body 1 is fixedly connected with a steel foot 3 through the cement. The top of the iron cap 2 is provided with a clamping groove 4, the front side of the clamping groove 4 is of an open structure, and the rear side of the clamping groove 4 is of a closed structure. The clamping groove 4 is internally provided with a positioning rod 5, and the positioning rod 5 is welded with the iron cap 2. The steel foot 3 is equipped with rather than integrated into one piece's fixture block 6, and the vertical cross-section of fixture block 6 is the isosceles trapezoid of invering, and all do the fillet and handle around fixture block 6, and the fixture block 6 after the fillet is handled cooperates reliable and stable with draw-in groove 4. Fixture block 6 is equipped with nut groove 7, and nut groove 7 rear is equipped with the circular through hole 8 that runs through fixture block 6, circular through hole 8 and 5 position phase-matchs of locating lever, and locating lever 5 is equipped with four, and four locating levers 5 are the cross arrangement in vertical direction, and the locating lever 5 that the cross was arranged can form a plurality of stable triangular structure mutually. The locating rod 5 is a half-thread bolt, the diameter of a round rod section of the locating rod 5 is equal to the diameter of a round through hole 8, the inner wall of the round through hole 8 is subjected to smooth polishing treatment, and the screw section of the locating rod 5 is subjected to rust prevention treatment.

The positioning rod 5 is in threaded connection with a fastening nut 9, the fastening nut 9 is a hexagon nut, when the clamping block 6 of the insulator body 1 located above is inserted into the clamping groove 4 of the insulator body 1 located below, the fastening nut 9 is located in the nut groove 7, the fastening nut 9 is not exposed outside, and the probability that the fastening nut 9 is eroded is reduced. The periphery of the positioning rod 5 is further sleeved with a gasket 10, and the gasket 10 is used for being placed between the fastening nut 9 and the clamping block 6 and used for reducing the pressure injury of the fastening nut 9 to the clamping block 6.

The working principle is as follows: when two insulator bodies 1 establish ties, the fixture block 6 of the insulator body 1 that is located the top inserts from the front side of the draw-in groove 4 of the insulator body 1 that is located the below, and make locating lever 5 run through circular through hole 8, lock fixture block 6 on iron hat 2 with fastening nut 9, the fastener that locating lever 5 and fastening nut 9 are constituteed, for fixture block 6 and iron hat 2 provide more strong points, the fixture block 6 and the iron hat 2 that adopt the multiple spot to support are difficult to warp, stable in structure is reliable.

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 rod-shaped suspension porcelain insulator, includes insulator body (1), insulator body (1) top is equipped with iron hat (2), and insulator body (1) bottom is equipped with steel foot (3), its characterized in that: iron cap (2) top is equipped with draw-in groove (4), draw-in groove (4) embeds there is locating lever (5), steel foot (3) are equipped with rather than integrated into one piece's fixture block (6), fixture block (6) are equipped with nut groove (7), nut groove (7) rear is equipped with circular through hole (8) that run through fixture block (6), circular through hole (8) and locating lever (5) position phase-match, locating lever (5) threaded connection fastening nut (9), locating lever (5) periphery still overlaps and is equipped with gasket (10).

2. The rod-shaped suspension porcelain insulator according to claim 1, wherein: the vertical section of the fixture block (6) is in an inverted isosceles trapezoid shape, and the periphery of the fixture block (6) is rounded.

3. The rod-shaped suspension porcelain insulator according to claim 1, wherein: the locating rod (5) is a half-thread bolt, the diameter of a round rod section of the locating rod (5) is equal to the diameter of a round through hole (8), the inner wall of the round through hole (8) is subjected to smooth polishing treatment, and the screw section of the locating rod (5) is subjected to rust prevention treatment.

4. The rod-shaped suspension porcelain insulator according to claim 1, wherein: the number of the positioning rods (5) is four, and the four positioning rods (5) are arranged in a cross shape in the vertical direction.

5. The rod-shaped suspension porcelain insulator according to claim 1, wherein: the fastening nut (9) is a hexagon nut, and when the clamping block (6) of the insulator body (1) positioned above is inserted into the clamping groove (4) of the insulator body (1) positioned below, the fastening nut (9) is positioned in the nut groove (7).