CN219476403U

CN219476403U - Insulator

Info

Publication number: CN219476403U
Application number: CN202320017653.5U
Authority: CN
Inventors: 袁飞
Original assignee: Xi'an Yuntao Power Equipment Co ltd
Current assignee: Xi'an Yuntao Power Equipment Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-08-04
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses an insulator, and relates to the technical field of cable circuits. The utility model comprises an inner core structure and an umbrella group component, wherein the outer side surface of a rod body of the inner core structure is connected with the umbrella group component through threads; the inner core structure comprises a tower-type core bar and threads, and the shaft of the tower-type core bar is provided with the threads; the umbrella group assembly comprises a large insulating umbrella skirt, a small insulating umbrella skirt and a threaded inner sleeve, wherein the threaded inner sleeves are fixedly connected inside central through holes of the large insulating umbrella skirt and the small insulating umbrella skirt. According to the utility model, through the inner core structure and the umbrella group assembly, not only can the umbrella group and the inner core be quickly disassembled and assembled, but also the insulator material waste is greatly reduced by utilizing the characteristic that the umbrella group can be disassembled and replaced.

Description

Insulator

Technical Field

The utility model belongs to the technical field related to cable circuits, and particularly relates to an insulator.

Background

The insulator is a special insulation control and plays an important role in overhead transmission lines. The high-voltage wire connecting tower is mainly used for high-voltage wire connecting towers, and is usually made of glass or ceramic in order to increase the creepage distance. The insulator should not cause various electromechanical stress failures due to environmental and electrical load conditions, otherwise the insulator will not have a significant effect, which would impair the service life of the entire line.

The existing insulator is easy to accumulate a large amount of dust on the surface in long-time use, so that power grid workers are usually required to clean the insulator regularly, but due to the fact that the workload is large, certain negligence is easy to occur, flashover discharge is easy to occur on some clean dirty insulators, the insulator umbrella skirt breaks down and is damaged, and due to the fact that the insulator is of an integral structure, the insulator needs to be replaced integrally, replacement and assembly are inconvenient, and waste is caused.

Disclosure of Invention

The utility model aims to provide an insulator, which solves the problems of inconvenient insulator replacement and material waste through an inner core structure and an umbrella group assembly.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an insulator, which comprises an inner core structure and an umbrella group component, wherein the outer side surface of a rod body of the inner core structure is connected with the umbrella group component through threads;

the inner core structure comprises a tower-type core bar and threads, and the shaft of the tower-type core bar is provided with the threads;

the umbrella group assembly comprises a large insulating umbrella skirt, a small insulating umbrella skirt and a threaded inner sleeve, wherein the threaded inner sleeves are fixedly connected inside central through holes of the large insulating umbrella skirt and the small insulating umbrella skirt; through the design that tower core bar and screw thread become wide gradually, can correspond big insulating umbrella skirt and little insulating umbrella skirt and make the difference location, make it can be fast positioned in affiliated position, can avoid not only that the insulator is whole to dismantle the trouble that the reinstallation brought, more do benefit to the holistic integrated package of insulator and use of reorganization, can accomplish the dismantlement change to damaging the umbrella skirt fast moreover, the operation degree of difficulty is low, has avoided the waste of insulator material, has practiced thrift the cost of maintaining greatly, and the practicality is higher.

Further, the inner core structure further comprises a bottom connecting rod, a top connecting piece and a connecting screw sleeve, wherein the lower end of the tower-shaped core rod is fixedly connected with the bottom connecting rod, and the upper end of the tower-shaped core rod is fixedly connected with the top connecting piece through the connecting screw sleeve;

further, the threads are intermittently arranged on the rod body of the tower-type core rod and the radius of the threads is gradually increased; the bottom connecting rod and the top connecting piece are used for connecting and positioning a cable and a high-voltage cable connecting tower, and the connecting screw sleeve is used for connecting and fixing the top connecting piece and the tower core rod.

Further, the large insulating umbrella skirt and the small insulating umbrella skirt are connected to the rod body of the tower-type core rod through threads in a threaded manner;

further, the large insulating umbrella skirt and the small insulating umbrella skirt are arranged at intervals;

further, the shape of the threaded inner sleeve and the screw holes in the threaded inner sleeve are both round tables; in the using process of the insulator, if the insulator umbrella skirt is damaged due to long-term unclean, firstly, a circuit in a region needs to be disconnected, then dust on the surface of the insulator is cleaned, the damaged insulator is found, then a connecting screw sleeve is rotated to separate a tower-type core rod from a top connecting piece, then the damaged large insulating umbrella skirt and the damaged small insulating umbrella skirt are rotationally detached, the large insulating umbrella skirt and the small insulating umbrella skirt at corresponding positions are taken out for reloading, and then the connecting screw sleeve is reused to connect the tower-type core rod with the top connecting piece, so that maintenance of the insulator can be completed.

The utility model has the following beneficial effects:

1. according to the utility model, through the design of gradually widening the tower-shaped core rod and the threads, the large insulating umbrella skirt and the small insulating umbrella skirt can be positioned in a distinguishing manner, so that the large insulating umbrella skirt and the small insulating umbrella skirt can be positioned at the belonged position quickly, the trouble caused by the integral disassembly and reassembly of the insulator can be avoided, and the integral assembly forming and the recombination use of the insulator are facilitated.

2. The utility model utilizes the design of the threaded connection of the large insulating umbrella skirt and the small insulating umbrella skirt on the tower-type core bar, can rapidly complete the disassembly and the replacement of the damaged umbrella skirt, has low operation difficulty, avoids the waste of insulator materials, greatly saves the maintenance cost and has higher practicability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a disassembled view of the present utility model;

FIG. 3 is a schematic view of the core structure of the present utility model;

FIG. 4 is a schematic view of an umbrella group assembly according to the present utility model;

FIG. 5 is a cross-sectional view of an umbrella assembly according to the present utility model.

Reference numerals:

1. an inner core structure; 101. a tower-type core bar; 102. a bottom connecting rod; 103. a top connector; 104. a thread; 105. connecting a screw sleeve; 2. an umbrella group assembly; 201. large insulating umbrella skirt; 202. a small insulating umbrella skirt; 203. a threaded inner sleeve.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model is an insulator, comprising an inner core structure 1 and an umbrella group component 2, wherein the outer side surface of a rod body of the inner core structure 1 is connected with the umbrella group component 2 through threads; the inner core structure 1 comprises a tower-shaped core rod 101 and threads 104, wherein the threads 104 are arranged on the rod body of the tower-shaped core rod 101; the umbrella group assembly 2 comprises a large insulating umbrella skirt 201, a small insulating umbrella skirt 202 and a threaded inner sleeve 203, wherein the threaded inner sleeve 203 is fixedly connected inside central through holes of the large insulating umbrella skirt 201 and the small insulating umbrella skirt 202;

the tower-type core rod 101 is of a truncated cone-shaped rod structure with a narrow upper part and a wide lower part, the surface of the tower-type core rod 101 is provided with threads 104, the threads 104 are synchronously arranged from top to bottom in a gradually-wide way along the rod body of the tower-type core rod 101, the threads 104 are discontinuous and are distributed at intervals, the height occupied by each section of threads 104 corresponds to that of a large insulating umbrella skirt 201 and a small insulating umbrella skirt 202, the large insulating umbrella skirt 201 is an umbrella skirt with a larger covering radius, the small insulating umbrella skirt 202 is in the coverage of the large insulating umbrella skirt 201 and is positioned in the middle position between the large insulating umbrella skirts 201, and the center position of an umbrella cap of the tower-type core rod is fixedly connected with a round cone-shaped threaded inner sleeve 203, and the structure and the arrangement are shown in fig. 5; through the design of gradually widening the tower core rod 101 and the threads 104, the large insulating umbrella skirt 201 and the small insulating umbrella skirt 202 can be correspondingly and differently positioned, so that the large insulating umbrella skirt and the small insulating umbrella skirt 202 can be quickly positioned at the affiliated positions, the trouble caused by the integral disassembly and reassembly of the insulator can be avoided, the integral assembly forming and the reassembly of the insulator are facilitated, the disassembly and replacement of the damaged umbrella skirt can be quickly completed, the operation difficulty is low, the waste of insulator materials is avoided, the maintenance cost is greatly saved, and the practicability is higher; in the using process of the insulator, if the insulator umbrella skirt is damaged due to long-term unclean, firstly, a circuit in a region needs to be disconnected, then dust on the surface of the insulator is cleaned, the damaged insulator is found, then the connecting screw sleeve 105 is rotated to separate the tower core rod 101 from the top connecting piece 103, then the damaged large insulator umbrella skirt 201 and the damaged small insulator umbrella skirt 202 are rotationally detached, the large insulator umbrella skirt 201 and the damaged small insulator umbrella skirt 202 in corresponding positions are taken out for reloading, and then the connecting screw sleeve 105 is reused to connect the tower core rod 101 with the top connecting piece 103, so that maintenance of the insulator can be completed.

As shown in fig. 1-3, the inner core structure 1 further includes a bottom connecting rod 102, a top connecting piece 103 and a connecting screw sleeve 105, the lower end of the tower-shaped core rod 101 is fixedly connected with the bottom connecting rod 102, and the upper end of the tower-shaped core rod 101 is fixedly connected with the top connecting piece 103 through the connecting screw sleeve 105; the threads 104 are intermittently and radially disposed in increasing increments on the shaft of the tower core rod 101;

the bottom connecting rod 102 and the top connecting piece 103 are upper and lower end connecting structures of insulators and are used for connecting and positioning a cable and a high-voltage wire connecting tower, and the connecting screw sleeve 105 is a connecting structure between the top connecting piece 103 and the tower core rod 101 and is used for connecting and fixing the top connecting piece 103 and the tower core rod 101.

As shown in fig. 1, 2, 4 and 5, the large insulating umbrella skirt 201 and the small insulating umbrella skirt 202 are connected on the shaft of the tower core rod 101 through the threaded inner sleeve 203 in a threaded manner; the large insulating umbrella skirt 201 and the small insulating umbrella skirt 202 are arranged at intervals; both the external shape of the threaded inner sleeve 203 and the internal screw holes are round.

One specific application of this embodiment is: when carrying out the use of this application insulator, if the insulator full skirt is damaged because of long-term uncleaning, at first need break the regional circuit, then clear up the dust on insulator surface, and find damaged insulator, then rotate and connect swivel nut 105, separate tower core pole 101 and top connecting piece 103, then rotate and dismantle damaged big insulating full skirt 201 and little insulating full skirt 202, and take out big insulating full skirt 201 and little insulating full skirt 202 of corresponding position and reload, then reuse connection swivel nut 105, connect tower core pole 101 and top connecting piece 103, so alright accomplish the maintenance to the insulator.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. An insulator, includes inner core structure (1) and umbrella crowd subassembly (2), its characterized in that: the outer side surface of the rod body of the inner core structure (1) is connected with an umbrella group component (2) through threads;

the inner core structure (1) comprises a tower-shaped core rod (101) and threads (104), wherein the threads (104) are arranged on the rod body of the tower-shaped core rod (101);

the umbrella group assembly (2) comprises a large insulating umbrella skirt (201), a small insulating umbrella skirt (202) and a threaded inner sleeve (203), wherein the threaded inner sleeve (203) is fixedly connected inside central through holes of the large insulating umbrella skirt (201) and the small insulating umbrella skirt (202).

2. An insulator according to claim 1, wherein: the inner core structure (1) further comprises a bottom connecting rod (102), a top connecting piece (103) and a connecting screw sleeve (105), wherein the lower end of the tower-shaped core rod (101) is fixedly connected with the bottom connecting rod (102), and the upper end of the tower-shaped core rod (101) is fixedly connected with the top connecting piece (103) through the connecting screw sleeve (105).

3. An insulator according to claim 1, wherein: the thread (104) is intermittently arranged on the rod body of the tower-type core rod (101) and the radius is gradually increased.

4. An insulator according to claim 1, wherein: the large insulating umbrella skirt (201) and the small insulating umbrella skirt (202) are connected to the rod body of the tower-shaped core rod (101) through the threaded inner sleeve (203) in a threaded mode.

5. An insulator according to claim 1, wherein: the large insulating umbrella skirt (201) and the small insulating umbrella skirt (202) are arranged at intervals.

6. An insulator according to claim 1, wherein: the shape of the threaded inner sleeve (203) and the screw holes in the threaded inner sleeve are both round tables.