CN112002500A

CN112002500A - Electric power insulator

Info

Publication number: CN112002500A
Application number: CN202010730370.6A
Authority: CN
Inventors: 刘宝军
Original assignee: 刘宝军
Current assignee: DONGGUAN TIANPU ELECTRONIC Co.,Ltd.
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-11-27
Anticipated expiration: 2040-07-27
Also published as: CN112002500B

Abstract

The invention relates to the technical field of high-voltage transmission, in particular to an electric insulator which comprises a first insulating component, a second insulating component, a third insulating component and a top end connecting component, middle section coupling assembling, bottom coupling assembling, first fastening components and second fastening components, first insulating components, second insulating components and third insulating components arrange in proper order, top coupling assembling installs on first insulating components, middle section coupling assembling installs on second insulating components, bottom coupling assembling installs on third insulating components, first fastening components is located between first insulating components's the bottom and second insulating components's the top, second fastening components is located between second insulating components's the bottom and third insulating components's the top, different length can be assembled according to actual in service behavior to this technical scheme, application scope has been enlarged.

Description

Electric power insulator

Technical Field

The invention relates to the technical field of high-voltage power transmission, in particular to an electric insulator.

Background

A device capable of withstanding the action of voltage and mechanical stress, mounted between conductors of different electrical potentials or between a conductor and a grounded member. Insulators are various in types and shapes. Although the structures and the appearances of different types of insulators are greatly different, the insulators are composed of an insulating part and a connecting hardware fitting;

the insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical load conditions, otherwise the insulator will not have a significant effect and will impair the service life and operational life of the entire line;

because the length of the insulator in actual use is different, the electric insulator needs to be provided, different lengths can be assembled according to actual use conditions, and the application range is widened.

Disclosure of Invention

In order to solve the technical problem, the electric insulator is provided, different lengths can be assembled according to actual use conditions by the aid of the technical scheme, and application range is widened.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

an electric insulator comprises a first insulating assembly, a second insulating assembly, a third insulating assembly, a top end connecting assembly, a middle section connecting assembly, a bottom end connecting assembly, a first fastening assembly and a second fastening assembly;

the first insulation assembly, the second insulation assembly and the third insulation assembly are sequentially arranged, the top end connecting assembly is installed on the first insulation assembly, the middle section connecting assembly is installed on the second insulation assembly, the bottom end of the top end connecting assembly is connected with the top end of the middle section connecting assembly, the bottom end connecting assembly is installed on the third insulation assembly, the top end of the bottom end connecting assembly is connected with the bottom end of the middle section connecting assembly, the first fastening assembly is located between the bottom end of the first insulation assembly and the top end of the second insulation assembly, the first fastening assembly is fixedly connected with the first insulation assembly and the second insulation assembly respectively, the second fastening assembly is located between the bottom end of the second insulation assembly and the top end of the third insulation assembly, and the second fastening assembly is fixedly connected with the second insulation assembly and the third insulation assembly respectively;

the first insulation assembly, the second insulation assembly and the third insulation assembly are consistent in structure, the first insulation assembly comprises a through pipe and an annular insulation piece, and the annular insulation piece is connected with the top end connecting assembly through the through pipe;

the top end connecting assembly comprises a first one-way pipe, a first hexagonal screw and an inserting assembly connecting piece, the inserting assembly connecting piece is used for being connected with the outside, the first one-way pipe is used for driving the first insulating assembly to move along with the first insulating assembly, and the first hexagonal screw is used for connecting the first one-way pipe with the top end of the middle section connecting assembly;

the middle section connecting assembly comprises a second one-way pipe, a second hexagonal screw and a first hexagonal plug, the first hexagonal plug is used for connecting the second one-way pipe with the bottom end of the top end connecting assembly, and the second hexagonal screw is used for connecting the second one-way pipe with the top end of the bottom end connecting assembly;

the bottom end connecting assembly comprises a third one-way pipe, a third hexagonal screw, a second hexagonal plug and a fixed disc group, the second hexagonal plug is used for connecting the third one-way pipe with the bottom end of the middle section connecting assembly, the third hexagonal screw is used for connecting the third one-way pipe with the fixed disc group, and the fixed disc group is used for fixing the third one-way pipe outside;

the first fastening assembly and the second fastening assembly are consistent in structure, the first fastening assembly comprises a first bridge-shaped plate and a second bridge-shaped plate, and the first insulating assembly and the second insulating assembly are connected through the first bridge-shaped plate and the second bridge-shaped plate.

Preferably, the through pipe penetrates through the annular insulating part, the through pipe is fixedly connected with the annular insulating part, the outer edge of the annular insulating part is larger than that of the through pipe, the annular insulating part is umbrella-shaped, and the annular insulating part is made of glass.

Preferably, the first insulating assembly further comprises an explosion-proof transparent cover, the explosion-proof transparent cover is wrapped on the annular insulating part and is made of elastic materials, and the explosion-proof transparent cover is colorless and transparent.

Preferably, the top end of the first unidirectional tube is provided with a hexagonal hole, the first hexagonal screw is inserted into the hexagonal hole, the output end of the first hexagonal screw penetrates through the bottom end of the first unidirectional tube and is exposed, the bottom end of the group insertion connecting piece is inserted into the hexagonal hole, the bottom end of the group insertion connecting piece abuts against the top end of the first hexagonal screw, and the group insertion connecting piece is fixedly connected with the first unidirectional tube.

Preferably, the inserting and assembling connecting piece comprises a disc, a first hexagonal inserting rod and a first flat head screw, the first hexagonal inserting rod is located in the hexagonal hole, the disc is located at the top of the first one-way pipe, the disc is fixedly connected with the first one-way pipe, and the disc is fixedly connected with the first one-way pipe through the first flat head screw.

Preferably, the middle section connecting assembly further comprises a second flat head screw, the second one-way pipe and the first one-way pipe are consistent in structure, the second hexagonal screw is located in a hexagonal hole of the second one-way pipe, the output end of the second hexagonal screw penetrates through the bottom of the second one-way pipe, the bottom end of the first hexagonal plug is located in the second one-way pipe, the bottom end of the first hexagonal plug abuts against the top end of the second hexagonal screw, the outer edge of the top end of the first hexagonal plug is consistent with the outer edge diameter of the second one-way pipe, a plurality of connecting holes are formed in the top end of the first hexagonal plug, and the second flat head screw fixedly connects the top end of the first hexagonal plug with the second one-way pipe through the plurality of connecting holes.

Preferably, the bottom end connecting assembly further comprises a third flat head screw, the third hexagonal screw is located in a hexagonal hole in the third one-way pipe, an output end of the third hexagonal screw penetrates through the bottom end of the third one-way pipe, the bottom end of the second hexagonal plug is located in the third one-way pipe, the bottom end of the second hexagonal plug abuts against the top end of the third hexagonal screw, the diameter of the outer edge of the top end of the second hexagonal plug is consistent with that of the outer edge of the third one-way pipe, the top end of the second hexagonal plug is provided with a plurality of connecting holes, the third flat head screw fixedly connects the top end of the second hexagonal plug with the third one-way pipe through the plurality of connecting holes, the fixed disc group is located at the bottom of the third one-way pipe, and the top end of the fixed disc group is connected with the output end of the third hexagonal.

Preferably, the fixed plate group comprises an upright column and a chassis, the upright column is positioned at the top of the chassis, the upright column and the chassis are coaxially arranged and fixedly connected with the chassis, the upright column is in threaded connection with the output end of the third hexagonal screw, and a plurality of mounting lugs are arranged on the outer edge of the chassis.

Preferably, the first fastening assembly further comprises an inner hexagonal bolt and a nut, the first bridge-shaped plate and the second bridge-shaped plate are located between the first insulation assembly and the second insulation assembly, the top end and the bottom end of the first bridge-shaped plate wrap the through pipe of the first insulation assembly and the through pipe of the second insulation assembly respectively, the top end and the bottom end of the second bridge-shaped plate wrap the through pipe of the first insulation assembly and the through pipe of the second insulation assembly respectively, and the first bridge-shaped plate and the second bridge-shaped plate are fixedly connected through the inner hexagonal bolt and the nut.

Preferably, the first bridge plate and the second bridge plate have the same structure, the inner edge of the first bridge plate is provided with two convex columns and semi-ring rubber, the two convex columns are respectively used for being inserted into the through pipe of the first insulation assembly and the through pipe of the second insulation assembly, and the first bridge plate is used for being inserted into a joint between the through pipe of the first insulation assembly and the through pipe of the second insulation assembly.

Compared with the prior art, the invention has the beneficial effects that: firstly, a worker sleeves a through pipe of a first insulation assembly on a first one-way pipe, then sleeves a second insulation assembly on a second one-way pipe of a middle-section connecting assembly, then twists an insertion connecting piece, the insertion connecting piece drives the first one-way pipe to rotate, the first one-way pipe drives a first hexagonal screw to rotate, the first hexagonal screw is twisted into a first hexagonal plug, the first one-way pipe and the second one-way pipe are connected through the first hexagonal screw, however, the first insulation assembly can still rotate at the moment, the second insulation assembly can still longitudinally move, at the moment, the worker places a first bridge-shaped plate and a second bridge-shaped plate between the first insulation assembly and the second insulation assembly, the first bridge-shaped plate and the second bridge-shaped plate are mutually connected and fix the first insulation assembly and the second insulation assembly, and the position of the second insulation assembly at the moment is fixed, and because the first fastening component is clamped to make the first insulating component and the second insulating component non-rotatable, the worker sleeves the third insulating component on the third one-way pipe, and then installs the fixed disc group at the bottom of the third one-way pipe, then the worker twists the fixed disk group, the fixed disk group drives the third one-way pipe to start rotating, the third one-way pipe drives the second hexagonal plug to rotate, the second hexagonal plug is twisted into the second hexagonal screw, but the third insulating assembly is still rotated, the worker places the second fastening assembly between the second insulating assembly and the third insulating assembly, then the second fastening assembly connects the second insulating assembly with the third insulating assembly respectively, the second insulating assembly and the third insulating assembly are clamped by the second fastening assembly to enable the second insulating assembly and the third insulating assembly not to rotate, and finally the top end and the bottom end of the whole device are installed outside through the inserting assembly connecting piece and the fixed disc assembly respectively;

1. through the arrangement of the top end connecting assembly, the middle section connecting assembly and the bottom end connecting assembly, the connecting structure can be lengthened or shortened according to the use condition;

2. through the arrangement of the first insulating assembly, the second insulating assembly and the third insulating assembly, the insulating effect can be achieved, and meanwhile, the danger caused by spontaneous explosion can be prevented;

3. through the setting of this equipment, can assemble out different length according to the in service behavior of reality, enlarged application scope.

Drawings

Fig. 1 is a schematic perspective view of an electrical insulator according to the present invention;

figure 2 is a front view of an electrical insulator according to the invention;

figure 3 is a side view of an electrical insulator according to the invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

fig. 5 is a schematic view of the internal structure of the first insulating member and the top connecting member of the power insulator according to the present invention;

fig. 6 is a schematic perspective exploded view of a top end connection assembly of an electrical insulator according to the present invention;

fig. 7 is a schematic view of an internal structure of a second insulating assembly and a middle connecting assembly of an electric insulator according to the present invention;

fig. 8 is a schematic view of the internal structure of the third insulating assembly and the bottom end connecting assembly of the power insulator according to the present invention;

fig. 9 is an exploded view of a bottom end connection assembly of an electrical insulator according to the present invention;

figure 10 is a side view of the first insulating member, the second insulating member, the top end connecting member, the middle section connecting member and the first fastening member of an electrical insulator according to the present invention;

fig. 11 is a schematic diagram of the internal structures of the first insulating assembly, the second insulating assembly, the top end connecting assembly, the middle section connecting assembly and the first fastening assembly of the power insulator according to the present invention.

Description of reference numerals:

1-a first insulating assembly; 1 a-a through pipe; 1 b-an annular insulator; 1 c-an explosion-proof transparent cover;

2-a second insulating component;

3-a third insulating component;

4-a top end connection assembly; 4 a-a first one-way tube; 4a 1-hexagonal hole; 4 b-a first hexagonal screw; 4 c-plug-in connector; 4c 1-disc; 4c 2-first hexagonal bayonet; 4c 3-first flat head screw;

5-connecting the middle section; 5 a-a second one-way tube; 5 b-a second hexagonal screw; 5 c-a first hexagonal plug; 5 d-second flat head screw;

6-a bottom end connection assembly; 6 a-a third one-way tube; 6 b-a third hexagonal screw; 6 c-a second hexagonal plug; 6 d-third grub screw; 6 e-fixed disk group; 6e 1-post; 6e 2-Chassis;

7-a first fastening component; 7 a-a first bridge plate; 7a 1-boss; 7a 2-semi-ring rubber; 7 b-a second bridge plate; 7 c-hexagon socket head cap screw; 7 d-nut;

8-a second fastening component.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 to 11, an electric insulator includes a first insulating assembly 1, a second insulating assembly 2, a third insulating assembly 3, a top end connecting assembly 4, a middle section connecting assembly 5, a bottom end connecting assembly 6, a first fastening assembly 7 and a second fastening assembly 8;

the first insulating component 1, the second insulating component 2 and the third insulating component 3 are sequentially arranged, the top connecting component 4 is arranged on the first insulating component 1, the middle connecting component 5 is arranged on the second insulating component 2, the bottom end of the top end connecting component 4 is connected with the top end of the middle section connecting component 5, the bottom end connecting component 6 is arranged on the third insulating component 3, and the top end of the bottom end connecting component 6 is connected with the bottom end of the middle section connecting component 5, the first fastening component 7 is positioned between the bottom end of the first insulating component 1 and the top end of the second insulating component 2, and the first fastening component 7 is fixedly connected with the first insulating component 1 and the second insulating component 2 respectively, the second fastening component 8 is positioned between the bottom end of the second insulating component 2 and the top end of the third insulating component 3, and the second fastening component 8 is fixedly connected with the second insulating component 2 and the third insulating component 3 respectively;

the structure of the first insulating assembly 1, the structure of the second insulating assembly 2 and the structure of the third insulating assembly 3 are consistent, the first insulating assembly 1 comprises a through pipe 1a and an annular insulating part 1b, and the annular insulating part 1b is connected with a top end connecting assembly 4 through the through pipe 1 a;

the top end connecting assembly 4 comprises a first one-way pipe 4a, a first hexagonal screw 4b and an inserting assembly connecting piece 4c, the inserting assembly connecting piece 4c is used for being connected with the outside, the first one-way pipe 4a is used for driving the first insulating assembly 1 to move along with the first one-way pipe 4a, and the first hexagonal screw 4b is used for connecting the first one-way pipe 4a with the top end of the middle section connecting assembly 5;

the middle section connecting assembly 5 comprises a second one-way pipe 5a, a second hexagonal screw 5b and a first hexagonal plug 5c, the first hexagonal plug 5c is used for connecting the second one-way pipe 5a with the bottom end of the top end connecting assembly 4, and the second hexagonal screw 5b is used for connecting the second one-way pipe 5a with the top end of the bottom end connecting assembly 6;

the bottom end connecting assembly 6 comprises a third one-way pipe 6a, a third hexagonal screw 6b, a second hexagonal plug 6c and a fixed disc set 6e, the second hexagonal plug 6c is used for connecting the third one-way pipe 6a with the bottom end of the middle section connecting assembly 5, the third hexagonal screw 6b is used for connecting the third one-way pipe 6a with the fixed disc set 6e, and the fixed disc set 6e is used for fixing the third one-way pipe 6a to the outside;

the first fastening component 7 and the second fastening component 8 are consistent in structure, the first fastening component 7 comprises a first bridge plate 7a and a second bridge plate 7b, and the first insulating component 1 and the second insulating component 2 are connected through the first bridge plate 7a and the second bridge plate 7 b;

firstly, a worker sleeves a through pipe 1a of a first insulation assembly 1 on a first one-way pipe 4a, then sleeves a second insulation assembly 2 on a second one-way pipe 5a of a middle-section connecting assembly 5, then twists an inserting assembly connecting piece 4c, the inserting assembly connecting piece 4c drives the first one-way pipe 4a to rotate, the first one-way pipe 4a drives a first six-edge screw 4b to rotate, the first six-edge screw 4b is twisted into a first six-edge plug 5c, the first one-way pipe 4a and the second one-way pipe 5a are connected through the first six-edge screw 4b, at the moment, the first insulation assembly 1 can still rotate, the second insulation assembly 2 can still longitudinally move, at the moment, the worker places a first bridge-shaped plate 7a and a second bridge-shaped plate 7b between the first insulation assembly 1 and the second insulation assembly 2, the first bridge-shaped plate 7a and the second bridge-shaped plate 7b are connected with each other and fix the first insulation assembly 1 and the second insulation assembly 2 2, the position of the second insulating assembly 2 is fixed, and the first insulating assembly 1 and the second insulating assembly 2 cannot rotate due to the clamping of the first fastening assembly 7, the worker sleeves the third insulating assembly 3 on the third one-way pipe 6a, then installs the fixed disc set 6e at the bottom of the third one-way pipe 6a, then twists the fixed disc set 6e, the fixed disc set 6e drives the third one-way pipe 6a to start rotating, the third one-way pipe 6a drives the second six-edge plug 6c to rotate, the second six-edge plug 6c is twisted into the second six-edge screw 5b, but the third insulating assembly 3 can still rotate at the moment, the worker places the second fastening assembly 8 between the second insulating assembly 2 and the third insulating assembly 3, and then the second fastening assembly 8 connects the second insulating assembly 2 and the third insulating assembly 3 respectively, the second insulating assembly 2 and the third insulating assembly 3 are fixed in rotation by the second fastening assembly 8, and finally the top end and the bottom end of the whole device are respectively installed on the outside by the inserting-group connecting piece 4c and the fixed disc group 6 e.

As shown in fig. 5, the through pipe 1a penetrates through the annular insulating member 1b, the through pipe 1a is fixedly connected with the annular insulating member 1b, the outer edge of the annular insulating member 1b is larger than the outer edge of the through pipe 1a, the annular insulating member 1b is umbrella-shaped, and the annular insulating member 1b is made of glass;

the through pipe 1a is used for fixing and supporting the annular insulating part 1b, the annular insulating part 1b is made of glass, the communication of a power supply is cut off through the annular insulating part 1b made of glass, the annular insulating part 1b is of an umbrella-shaped structure, the accumulated water is prevented from being generated through the shape of the umbrella-shaped structure, and water flow can be discharged along the umbrella-shaped outer skirt edge.

As shown in fig. 5, the first insulating assembly 1 further includes an explosion-proof transparent cover 1c, the explosion-proof transparent cover 1c is wrapped on the annular insulating member 1b, the explosion-proof transparent cover 1c is made of an elastic material, and the explosion-proof transparent cover 1c is colorless and transparent;

since the ring-shaped insulator 1b is an insulator made of tempered glass. The surface of the glass insulator is in a compressed prestressed state, if cracks and electric breakdown occur, the glass insulator can be automatically broken into small fragments which are commonly called as 'self-explosion', the fragments of the annular insulating part 1b after self-explosion are prevented from splashing everywhere through the arrangement of the explosion-proof transparent cover 1c, and the glass insulator is colorless and transparent so as to be convenient for workers to observe.

As shown in fig. 5 and 6, a hexagonal hole 4a1 is formed at the top end of the first one-way tube 4a, the first hexagonal screw 4b is inserted into the hexagonal hole 4a1, the output end of the first hexagonal screw 4b penetrates through the bottom end of the first one-way tube 4a and is exposed, the bottom end of the insertion connection piece 4c is inserted into the hexagonal hole 4a1, the bottom end of the insertion connection piece 4c abuts against the top end of the first hexagonal screw 4b, and the insertion connection piece 4c is fixedly connected with the first one-way tube 4 a.

The staff assembles top coupling assembling 4, insert first hexagonal screw 4b to hexagonal hole 4a1 at first, then the output of first hexagonal screw 4b runs through the bottom of first one-way pipe 4a and exposes, first hexagonal screw 4b is used for being connected with middle section coupling assembling 5's top, again will insert group's connecting piece 4c and insert to hexagonal hole 4a1 in, then will insert group's connecting piece 4c and first one-way pipe 4a fixed connection, insert group's connecting piece 4c be used for with external connection, then the staff runs through the through-tube 1a of first insulating assembly 1 with the bottom of first one-way pipe 4 a.

As shown in fig. 5 and 6, the socket connector 4c includes a circular disc 4c1, a first hexagonal socket rod 4c2 and a first flat head screw 4c3, the first hexagonal socket rod 4c2 is located in the hexagonal hole 4a1, the circular disc 4c1 is located at the top of the first one-way pipe 4a, the circular discs 4c1 and 4c are fixedly connected, and the circular disc 4c1 is fixedly connected with the first one-way pipe 4a through the first flat head screw 4c 3.

The disc 4c1 inserts the first hexagonal inserting rod 4c2 into the hexagonal hole 4a1, and the bottom end of the first hexagonal inserting rod 4c2 abuts against the first hexagonal screw 4b, and then the disc 4c1 is fixedly connected with the first one-way pipe 4a through a plurality of first flat head screws 4c 3.

As shown in fig. 7, the middle connection assembly 5 further includes a second flat head screw 5d, the second one-way tube 5a and the first one-way tube 4a have the same structure, the second hexagonal screw 5b is located in the hexagonal hole 4a1 of the second one-way tube 5a, the output end of the second hexagonal screw 5b penetrates through the bottom of the second one-way tube 5a, the bottom end of the first hexagonal plug 5c is located in the second one-way tube 5a, the bottom end of the first hexagonal plug 5c abuts against the top end of the second hexagonal screw 5b, the diameter of the top end outer edge of the first hexagonal plug 5c is the same as that of the outer edge of the second one-way tube 5a, the top end of the first hexagonal plug 5c is provided with a plurality of connection holes, and the second flat head screw 5d fixedly connects the top end of the first hexagonal plug 5c with the second one-way tube 5a through the plurality of connection holes.

The middle section connecting assembly 5 is assembled by a worker, a second hexagonal screw 5b is inserted into a second one-way pipe 5a, the output end of the second hexagonal screw 5b penetrates through the bottom of the second one-way pipe 5a to be exposed, then a first hexagonal plug 5c is inserted into the second one-way pipe 5a, the bottom end of the first hexagonal plug 5c abuts against the top end of the second hexagonal screw 5b, and finally the top end of the first hexagonal plug 5c is fixedly connected with the top end of the second one-way pipe 5a through a plurality of second flat head screws 5 d.

As shown in fig. 8 and 9, the bottom end connection assembly 6 further includes a third tri-axial screw 6d, a third hexagonal screw 6b is disposed in a hexagonal hole 4a1 formed in the third one-way tube 6a, the output end of the third hexagonal screw 6b penetrates through the bottom end of the third one-way pipe 6a, the bottom end of the second hexagonal plug 6c is positioned in the third one-way pipe 6a, the bottom end of the second hexagonal plug 6c abuts against the top end of the third hexagonal screw 6b, the diameter of the outer edge of the top end of the second hexagonal plug 6c is consistent with that of the outer edge of the third one-way pipe 6a, the top end of the second hexagonal plug 6c is provided with a plurality of connecting holes, the top end of the second hexagonal plug 6c is fixedly connected with the third one-way pipe 6a through the third flat screw 6d through the plurality of connecting holes, the fixed disc group 6e is positioned at the bottom of the third one-way pipe 6a, and the top end of the fixed disc group 6e is connected with the output end of the third hexagonal screw 6 b;

the bottom end connecting assembly 6 is assembled by a worker, a third hexagonal screw 6b is inserted into a third one-way pipe 6a, the output end of the third hexagonal screw 6b penetrates through the bottom of the third one-way pipe 6a to be exposed, then the bottom end of a second hexagonal plug 6c is inserted into the third one-way pipe 6a, the bottom end of the second hexagonal plug 6c abuts against the top end of the third hexagonal screw 6b, then the top end of the second hexagonal plug 6c is fixedly connected with the top end of the third one-way pipe 6a through a plurality of third flat screws 6d, finally the top end of a fixed disc group 6e is in threaded connection with the exposed output end of the third hexagonal screw 6b, and the bottom end of the fixed disc group 6e is connected with the outside.

As shown in fig. 8 and 9, the fixed disk set 6e includes a pillar 6e1 and a chassis 6e2, the pillar 6e1 is located at the top of the chassis 6e2, the pillar 6e1 and the chassis 6e2 are coaxially arranged, the pillar 6e1 is fixedly connected with the chassis 6e2, the pillar 6e1 is in threaded connection with the output end of the third hexagonal screw 6b, and the outer edge of the chassis 6e2 is provided with a plurality of mounting lugs;

the hand-held chassis 6e2 is twisted to drive the upright post 6e1 to rotate, the upright post 6e1 is in threaded connection with the third hexagonal screw 6b, and then the chassis 6e2 is connected with the outside through a plurality of mounting lugs.

As shown in fig. 10, the first fastening assembly 7 further includes an inner hexagon bolt 7c and a nut 7d, the first bridge plate 7a and the second bridge plate 7b are located between the first insulating assembly 1 and the second insulating assembly 2, the top end and the bottom end of the first bridge plate 7a wrap the through pipe 1a of the first insulating assembly 1 and the through pipe 1a of the second insulating assembly 2 respectively, the top end and the bottom end of the second bridge plate 7b wrap the through pipe 1a of the first insulating assembly 1 and the through pipe 1a of the second insulating assembly 2 respectively, and the first bridge plate 7a and the second bridge plate 7b are fixedly connected through the inner hexagon bolt 7c and the nut 7 d.

The worker wraps the bottom end of the first insulation assembly 1 and the top end of the second insulation assembly 2 around by the first bridge plate 7a and the second bridge plate 7b, and fixedly connects the first bridge plate 7a and the second bridge plate 7b by the hexagon socket head cap screw 7c and the nut 7d, and the first bridge plate 7a and the second bridge plate 7b clamp the end portions of the first insulation assembly 1 and the second insulation assembly 2 close to each other together.

As shown in fig. 11, the first bridge plate 7a and the second bridge plate 7b have the same structure, the inner edge of the first bridge plate 7a is provided with two bosses 7a1 and a half-ring rubber 7a2, the number of the bosses 7a1 is two, the two bosses 7a1 are respectively used for inserting into the through pipe 1a of the first insulation assembly 1 and the through pipe 1a of the second insulation assembly 2, and the first bridge plate 7a is used for inserting into a joint between the through pipe 1a of the first insulation assembly 1 and the through pipe 1a of the second insulation assembly 2;

through the setting of projection 7a1 can make first insulating subassembly 1 restrict second insulating subassembly 2, place second insulating subassembly 2 and rotate, and half ring rubber 7a2 is used for filling up the gap, reinforcing structure's stability.

The working principle of the invention is as follows: the top end connecting assembly 4 is assembled by a worker, first, a first hexagonal screw 4b is inserted into a hexagonal hole 4a1, then, an output end of the first hexagonal screw 4b penetrates through a bottom end of a first one-way pipe 4a and is exposed, the first hexagonal screw 4b is used for being connected with a top end of a middle section connecting assembly 5, then, an inserting and assembling connecting piece 4c is inserted into a hexagonal hole 4a1, then, an inserting and assembling connecting piece 4c is fixedly connected with the first one-way pipe 4a, an inserting and assembling connecting piece 4c is used for being connected with the outside, then, the worker penetrates through a penetrating pipe 1a of a first insulating assembly 1 with the bottom end of the first one-way pipe 4a, a penetrating pipe 1a of the first insulating assembly 1 is sleeved on the first one-way pipe 4a, then, a second insulating assembly 2 is sleeved on a second one-way pipe 5a of the middle section connecting assembly 5, then, the worker twists the inserting and assembling connecting piece 4c, and the inserting and assembling connecting piece 4c drives the first one-way, the first one-way pipe 4a drives the first six-edged screw 4b to rotate, the first six-edged screw 4b is screwed into the first six-edged plug 5c, the first one-way pipe 4a and the second one-way pipe 5a are connected through the first six-edged screw 4b, however, the first insulation assembly 1 can still rotate at this time, the second insulation assembly 2 can still move longitudinally, a worker wraps the bottom end of the first insulation assembly 1 and the top end of the second insulation assembly 2 around through the first bridge plate 7a and the second bridge plate 7b, and fixedly connects the first bridge plate 7a and the second bridge plate 7b through the hexagon socket screw 7c and the nut 7d, the first bridge plate 7a and the second bridge plate 7b clamp the end portions of the first insulation assembly 1 and the second insulation assembly 2 close to each other, at this time, the position of the second insulation assembly 2 is fixed, and the first insulation assembly 1 and the second insulation assembly 2 cannot rotate due to the clamping of the first fastening assembly 7, the worker sleeves the third insulating assembly 3 on the third one-way pipe 6a, installs the fixed disc set 6e at the bottom of the third one-way pipe 6a, then the worker twists the fixed disk set 6e, the fixed disk set 6e drives the third one-way pipe 6a to start rotating, the third one-way pipe 6a drives the second hexagonal plug 6c to rotate, the second hexagonal plug 6c is twisted on the second hexagonal screw 5b, but the third insulating member 3 is still rotated at this time, the worker places the second fastening member 8 between the second insulating member 2 and the third insulating member 3, then the second fastening assembly 8 connects the second insulating assembly 2 and the third insulating assembly 3 respectively, the second insulating assembly 2 and the third insulating assembly 3 are fixed by the second fastening assembly 8, and finally the top end and the bottom end of the whole device are installed outside by the inserting connection piece 4c and the fixed disc set 6e respectively.

The device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:

firstly, a worker sleeves a through pipe 1a of a first insulating assembly 1 on a first one-way pipe 4 a;

secondly, the worker sleeves the second insulating assembly 2 on the second one-way pipe 5a of the middle-section connecting assembly 5;

thirdly, the worker twists the inserting assembly connecting piece 4c, the inserting assembly connecting piece 4c drives the first one-way pipe 4a to rotate, the first one-way pipe 4a drives the first hexagonal screw 4b to rotate, and the first hexagonal screw 4b is twisted into the first hexagonal plug 5 c;

step four, a worker places the first bridge plate 7a and the second bridge plate 7b between the first insulation assembly 1 and the second insulation assembly 2, and the first bridge plate 7a and the second bridge plate 7b are connected with each other and fix the first insulation assembly 1 and the second insulation assembly 2;

fifthly, the worker sleeves the third insulating assembly 3 on the third one-way pipe 6 a;

step six, mounting the fixed disc group 6e at the bottom of the third one-way pipe 6a, then twisting the fixed disc group 6e by a worker, driving the third one-way pipe 6a to start rotating by the fixed disc group 6e, driving the second hexagonal plug 6c to rotate by the third one-way pipe 6a, and twisting the second hexagonal plug 6c into the second hexagonal screw 5 b;

seventhly, a worker places a second fastening component 8 between the second insulating component 2 and the third insulating component 3, then the second fastening component 8 connects the second insulating component 2 and the third insulating component 3 respectively, and the second insulating component 2 and the third insulating component 3 are clamped by the second fastening component 8 to enable the second insulating component 2 and the third insulating component 3 not to rotate;

and step eight, finally, the top end and the bottom end of the whole device are respectively arranged outside through the inserting group connecting piece 4c and the fixed disc group 6 e.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric insulator is characterized by comprising a first insulating assembly (1), a second insulating assembly (2), a third insulating assembly (3), a top end connecting assembly (4), a middle section connecting assembly (5), a bottom end connecting assembly (6), a first fastening assembly (7) and a second fastening assembly (8);

the first insulating component (1), the second insulating component (2) and the third insulating component (3) are sequentially arranged, the top end connecting component (4) is installed on the first insulating component (1), the middle section connecting component (5) is installed on the second insulating component (2), the bottom end of the top end connecting component (4) is connected with the top end of the middle section connecting component (5), the bottom end connecting component (6) is installed on the third insulating component (3), the top end of the bottom end connecting component (6) is connected with the bottom end of the middle section connecting component (5), the first fastening component (7) is positioned between the bottom end of the first insulating component (1) and the top end of the second insulating component (2), the first fastening component (7) is fixedly connected with the first insulating component (1) and the second insulating component (2) respectively, the second fastening component (8) is positioned between the bottom end of the second insulating component (2) and the top end of the third insulating component (3), the second fastening component (8) is fixedly connected with the second insulating component (2) and the third insulating component (3) respectively;

the structure of the first insulation assembly (1), the structure of the second insulation assembly (2) and the structure of the third insulation assembly (3) are consistent, the first insulation assembly (1) comprises a through pipe (1a) and an annular insulation part (1b), and the annular insulation part (1b) is connected with the top end connecting assembly (4) through the through pipe (1 a);

the top end connecting assembly (4) comprises a first one-way pipe (4a), a first hexagonal screw (4b) and an inserting assembly connecting piece (4c), the inserting assembly connecting piece (4c) is used for being connected with the outside, the first one-way pipe (4a) is used for driving the first insulating assembly (1) to move along with the first one-way pipe, and the first hexagonal screw (4b) is used for connecting the first one-way pipe (4a) with the top end of the middle section connecting assembly (5);

the middle section connecting assembly (5) comprises a second one-way pipe (5a), a second hexagonal screw (5b) and a first hexagonal plug (5c), the first hexagonal plug (5c) is used for connecting the second one-way pipe (5a) with the bottom end of the top end connecting assembly (4), and the second hexagonal screw (5b) is used for connecting the second one-way pipe (5a) with the top end of the bottom end connecting assembly (6);

the bottom end connecting assembly (6) comprises a third one-way pipe (6a), a third hexagonal screw (6b), a second hexagonal plug (6c) and a fixed disc set (6e), the second hexagonal plug (6c) is used for connecting the third one-way pipe (6a) with the bottom end of the middle section connecting assembly (5), the third hexagonal screw (6b) is used for connecting the third one-way pipe (6a) with the fixed disc set (6e), and the fixed disc set (6e) is used for fixing the third one-way pipe (6a) to the outside;

the first fastening component (7) and the second fastening component (8) are consistent in structure, the first fastening component (7) comprises a first bridge plate (7a) and a second bridge plate (7b), and the first insulating component (1) and the second insulating component (2) are connected through the first bridge plate (7a) and the second bridge plate (7 b).

2. An electric insulator according to claim 1, characterised in that the through pipe (1a) penetrates the annular insulating member (1b), and the through pipe (1a) is fixedly connected with the annular insulating member (1b), the outer edge of the annular insulating member (1b) is larger than the outer edge of the through pipe (1a), and the annular insulating member (1b) is umbrella-shaped, and the annular insulating member (1b) is glass.

3. An electric insulator according to claim 2, characterised in that the first insulating member (1) further comprises an explosion-proof transparent cover (1c), the explosion-proof transparent cover (1c) is wrapped around the annular insulating member (1b), the explosion-proof transparent cover (1c) is made of an elastic material, and the explosion-proof transparent cover (1c) is colorless and transparent.

4. An electric insulator according to claim 1, characterised in that the top end of the first unidirectional tube (4a) is provided with a hexagonal hole (4a1), the first hexagonal screw (4b) is inserted into the hexagonal hole (4a1), the output end of the first hexagonal screw (4b) penetrates through the bottom end of the first unidirectional tube (4a) and is exposed, the bottom end of the plug-in connection piece (4c) is inserted into the hexagonal hole (4a1), the bottom end of the plug-in connection piece (4c) abuts against the top end of the first hexagonal screw (4b), and the plug-in connection piece (4c) is fixedly connected with the first unidirectional tube (4 a).

5. An electric insulator according to claim 4, characterised in that the plug-in connection (4c) comprises a disc (4c1), a first hexagonal rod (4c2) and a first grub screw (4c3), the first hexagonal rod (4c2) being located in the hexagonal hole (4a1), the disc (4c1) being located at the top of the first unidirectional tube (4a), the disc (4c1) being fixedly connected to the disc (4c 3583), and the disc (4c1) being fixedly connected to the first unidirectional tube (4a) by means of the first grub screw (4c 3).

6. An electric insulator according to claim 4, characterised in that the middle section connection assembly (5) further comprises a second flat head screw (5d), the second unidirectional tube (5a) and the first unidirectional tube (4a) have the same structure, the second hexagonal screw (5b) is positioned in a hexagonal hole (4a1) of the second unidirectional tube (5a), the output end of the second hexagonal screw (5b) penetrates the bottom of the second unidirectional tube (5a), the bottom end of the first hexagonal plug (5c) is positioned in the second unidirectional tube (5a), the bottom end of the first hexagonal plug (5c) abuts the top end of the second hexagonal screw (5b), the outer edge of the top end of the first hexagonal plug (5c) has the same diameter as the outer edge of the second unidirectional tube (5a), the top end of the first hexagonal plug (5c) is provided with a plurality of connection holes, and the second flat head screw (5d) connects the top end of the first hexagonal plug (5c) with the top end of the second unidirectional tube (5a) through the plurality of connection holes And (4) fixedly connecting.

7. A power insulator according to claim 4, characterised in that the bottom end connection assembly (6) further comprises a third grub screw (6d), the third hexagonal screw (6b) is located in a hexagonal hole (4a1) in the third unidirectional tube (6a), and the output end of the third hexagonal screw (6b) passes through the bottom end of the third unidirectional tube (6a), the bottom end of the second hexagonal socket (6c) is located in the third unidirectional tube (6a), and the bottom end of the second hexagonal socket (6c) abuts against the top end of the third hexagonal screw (6b), the outer edge of the top end of the second hexagonal socket (6c) is in diameter with the outer edge of the third unidirectional tube (6a), the top end of the second hexagonal socket (6c) is provided with a plurality of connection holes, and the third grub screw (6d) fixedly connects the top end of the second hexagonal socket (6c) with the third unidirectional tube (6a) through the plurality of connection holes, the fixed disc set (6e) is positioned at the bottom of the third one-way pipe (6a), and the top end of the fixed disc set (6e) is connected with the output end of the third hexagonal screw (6 b).

8. An electric insulator according to claim 7, characterised in that the fixed disc package (6e) comprises a post (6e1) and a bottom disc (6e2), the post (6e1) is located on the top of the bottom disc (6e2), the post (6e1) and the bottom disc (6e2) are coaxially arranged, the post (6e1) is fixedly connected with the bottom disc (6e2), the post (6e1) is in threaded connection with the output end of the third hexagonal screw (6b), and the outer edge of the bottom disc (6e2) is provided with a plurality of mounting lugs.

9. An electric insulator according to claim 1, characterised in that the first fastening assembly (7) further comprises a hexagon socket head cap screw (7c) and a nut (7d), the first bridge plate (7a) and the second bridge plate (7b) are positioned between the first insulating assembly (1) and the second insulating assembly (2), the top end and the bottom end of the first bridge plate (7a) wrap the through pipe (1a) of the first insulating assembly (1) and the through pipe (1a) of the second insulating assembly (2) respectively, the top end and the bottom end of the second bridge plate (7b) wrap the through pipe (1a) of the first insulating assembly (1) and the through pipe (1a) of the second insulating assembly (2) respectively, and the first bridge plate (7a) and the second bridge plate (7b) are fixedly connected through the hexagon socket head cap screw (7c) and the nut (7 d).

10. An electric insulator according to claim 9, characterised in that the first (7a) and second (7b) plates are of identical construction, the first (7a) plate has two studs (7a1) and a semi-ring rubber (7a2) on its inner periphery, the two studs (7a1) are provided, the two studs (7a1) are respectively adapted to be inserted into the through-tube (1a) of the first insulating assembly (1) and the through-tube (1a) of the second insulating assembly (2), and the first (7a) plate is adapted to be inserted into the joint between the through-tube (1a) of the first insulating assembly (1) and the through-tube (1a) of the second insulating assembly (2).