CN208444678U - A kind of insulator of band gap - Google Patents

A kind of insulator of band gap Download PDF

Info

Publication number
CN208444678U
CN208444678U CN201821048641.4U CN201821048641U CN208444678U CN 208444678 U CN208444678 U CN 208444678U CN 201821048641 U CN201821048641 U CN 201821048641U CN 208444678 U CN208444678 U CN 208444678U
Authority
CN
China
Prior art keywords
insulator
excessively electric
electric gap
gap
excessively
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821048641.4U
Other languages
Chinese (zh)
Inventor
王辉
黄小龙
陈广宇
马春波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201821048641.4U priority Critical patent/CN208444678U/en
Application granted granted Critical
Publication of CN208444678U publication Critical patent/CN208444678U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of insulator for band gap that this programme provides, overcome the complicated mounting means that the prior art uses connection gold utensil, the installation position connecting with excessively electric clearance thread is provided in insulator body, discharging gap is directly installed in insulator body, mounts and dismounts more convenient, quick.

Description

A kind of insulator of band gap
Technical field
The utility model belongs to transmission line of electricity relevant device technical field, in particular to a kind of insulator of band gap.
Background technique
When lightning stroke rate or lightning conducter, steel tower tower body current potential is increased, while overvoltage is generated on phase conductor.If risen High tower bulk potential and phase conductor induced overvoltage are more than the flashover voltage value of line insulator, and voltage will be incited somebody to action along insulator surface Air breakdown electric discharge, forms flashover, insulator is caused to destroy.
Insulator parallel connection gaps are a kind of different from traditional lightning protection measures " diverting type " protected mode, and thought is to allow Route has certain tripping rate with lightning strike, but by the Insulation Coordination between parallel connection gaps and insulator, reaches to connect using gap and draw sudden strain of a muscle The effect in network channel avoids the generation of permanent fault to avoid insulator breakdown damage, improve reclosing success rate.By It is in parallel in parallel clearance lightning protection device technical principle is unique, apparatus structure is simple, easy for installation, economic performance is excellent the features such as One of basic measures that clearance lightning-proof is protected as Lightning Protection on Power Transmission Lines are recommended in recent years by State Grid Corporation of China, and Connection gap is generally high voltage side electrode and one group of low-voltage side electrode is used cooperatively.
Currently, parallel connection gaps mainly select model peace according to voltage class and insulator the piece number, fitting connection type etc. Dress.Voltage for Insulators on HV Lines is all installed on insulator chain fitting, and connector quantity is more, and installation connection is complicated, especially When needing replacing different parallel connection gaps, need to develop corresponding insulator parallel connection gaps connection gold utensil.
Therefore, a kind of insulator convenient to disassembly how is designed, is those skilled in the art's urgent problem to be solved.
Utility model content
The utility model provides a kind of insulator of band gap, can satisfy installation and removal and conveniently requires.
In order to solve the above technical problems, the utility model provides a kind of insulator of band gap, including insulator body Electric gap is crossed, the installation position connecting with the excessively electric clearance thread is provided in the insulator body.
Preferably, in above-mentioned insulator, the excessively electric gap end is equipped with external screw thread;
The installation position is the mounting hole opened up in the insulator body, and internal screw thread is arranged in the mounting hole;Or, institute Stating installation position is the attaching nut being arranged in the insulator body.
Preferably, in above-mentioned insulator, the junction in the insulator body and the excessively electric gap, which is provided with, to be used for The fastening nut tightened.
Preferably, in above-mentioned insulator, the excessively electric gap includes:
Cross electric gap head and excessively electric gap tail portion;
It is set between the excessively electric gap head and the tail portion of electric gap excessively, for adjusting the head of electric gap excessively With the adjusting knob of the excessively electric gap tail portion rotation angle.
Preferably, in above-mentioned insulator, the adjusting knob includes the first rotating disk and second being relatively rotatable to each other Rotating disk, and the fastener for fastening first rotating disk and second rotating disk;The first rotating disk setting In described head one end of electric gap excessively, second rotating disk is set to described tail portion one end of electric gap excessively.
Preferably, it in above-mentioned insulator, is provided on the excessively electric gap for adjusting the excessively electric clearance height Telescoping mechanism.
Preferably, in above-mentioned insulator, the telescoping mechanism is telescopic rod.
Preferably, in above-mentioned insulator, the telescoping mechanism include the first sleeve that is mutually arranged and is threadedly coupled and Second casing.
Preferably, in above-mentioned insulator, the excessively electric gap uses carbon steel material or aluminum alloy material.
A kind of insulator for band gap that this programme provides overcomes the prior art using the complicated installation side of connection gold utensil Formula, is provided with the installation position connecting with excessively electric clearance thread in insulator body, and discharging gap is directly installed on insulator sheet On body, mount and dismount more convenient, quick.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the assembling schematic diagram of the insulator for the band gap that this programme provides;
Fig. 2 is the partial structural diagram of the insulator for the band gap that this programme provides.
In upper figure:
Cross electric gap head 1, adjusting knob 2, fastening bolt 3, fastening nut 4, installation position 5, insulator body 6, excessively electric Gap tail portion 7.
Specific embodiment
The utility model provides a kind of insulator of band gap, can satisfy installation and removal and conveniently requires.
In order to make those skilled in the art more fully understand technical solution provided by the utility model, below in conjunction with attached The utility model is described in further detail with specific embodiment for figure.
Please refer to Fig. 1-Fig. 2, a kind of insulator of band gap provided by the utility model, including 6 He of insulator body Electric gap is crossed, the installation position connecting with excessively electric clearance thread is provided in insulator body 6.
A kind of insulator for band gap that this programme provides overcomes the prior art using the complicated installation side of connection gold utensil Formula, is provided with the installation position connecting with excessively electric clearance thread in insulator body 6, and discharging gap is directly installed on insulator sheet On body 6, mount and dismount more convenient, quick.And this mode can be charged between the electricity excessively changed in insulator body 6 Gap, more traditional power failure replacement installation are more convenient.
Preferably, above-mentioned installation position 5 is the mounting hole that insulator body 6 opens up, and internal screw thread is arranged in mounting hole. Mounting hole may be provided in the bulb position of insulator body 6, and excessively electric gap end is equipped with external screw thread, the internal diameter of mounting hole with need to connect The diameter in the excessively electric gap connect matches.
When insulator dispatches from the factory, mounting hole, the excessively electric gap of each model of replacement have just been designed at 6 bulb position of insulator body The settable general connector that can be detachably connected in end, connector one end diameter matches with mounting hole internal diameter, connects The head other end can be clamped with the end in the excessively electric gap of each model and connect.
In another embodiment, installation position is the attaching nut being arranged in insulator body 6.Electric gap end is crossed to set There is external screw thread.Attaching nut is solderable to be connected in insulator body 6, and weld strength controls under the conditions of will not destroy original structure.
The junction in insulator body 6 and excessively electric gap is provided with the fastening nut 4 for tightening.
As further preferred scheme, excessively electric gap included electric gap head 1, excessively electric gap tail portion 7 and adjusting rotation Button 2, adjusting knob 2 was set between electric gap head 1 and excessively electric gap tail portion 7, for adjusting electric gap head 1 and mistake Electric gap tail portion 7 rotates angle.Electric gap tail portion 7 is crossed to connect with the installation position in insulator body 6.
Specifically, adjusting knob 2 includes the first rotating disk 201 and the second rotating disk 202, Yi Jiyong being relatively rotatable to each other In the fastener of fastening the first rotating disk 201 and the second rotating disk 202;First rotating disk 201 was set to electric gap head 1 one End, the second rotating disk 202 were set to 7 one end of electric gap tail portion.
When adjusting, as long as hand turn adjusting knob 2, particularly, the first rotating disk 201 and the second rotating disk 202 can Using intermeshing the mode of epicyclic gearing, it is transferred to after any angle through fastener, such as passing through can the first rotating disk 201 It is fastened with the fastening bolt and fastening nut of 202 central part of the second rotating disk, to realize locking, non-loosening, locking is reliable.
In order to reach the height-adjustable of electric gap, specifically, can be provided on the excessively electric gap for adjusting Cross the telescoping mechanism of electric clearance height.Telescoping mechanism is telescopic rod.Telescoping mechanism can also be mutually to be arranged and be threadedly coupled First sleeve and the second casing.If first sleeve outer wall and the second internal surface of sleeve pipe open up external screw thread and internal screw thread respectively, pass through rotation The relative altitude of modulation whole first sleeve and the second casing, so as to adjust the whole height in excessively electric gap.
In a specific embodiment, in 7 arbitrary portion of electric gap tail portion excessively, telescoping mechanism includes phase for telescoping mechanism setting The first sleeve being mutually arranged and the second casing.It is fastenedly connected between first sleeve and the second casing by fastening bolt 3.
Crossing electric gap can be used carbon steel material or aluminum alloy material, and surface is covered with hot galvanized layer.
The application method of the insulator of this programme band gap are as follows:
(1) when insulator dispatches from the factory, at the bulb position of insulator body 6, design mounting hole (cooperated between electricity as needed Gap diameter), or insulator factory after can the bulb position to insulator body 6 be transformed installation, such as welding by force Spend welded nut etc. under the conditions of will not destroying original structure.
(2) it will screw and tightened with attaching nut in excessively electric gap insertion mounting hole 5.
(3) electric clearance height was adjusted by telescopic rod and was tightened by fastening bolt 3.
(4) rotating insulated subangle is by the excessively electric gap alignment of insulator chain two sides.
(5) it adjusts adjusting knob 2 and adjusted electrical clearance distance, and tightened by fastener.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments Explanation be merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art For those of ordinary skill, without departing from the principle of this utility model, several change can also be carried out to the utility model Into and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.

Claims (9)

1. a kind of insulator of band gap, which is characterized in that including insulator body (6) and excessively electric gap, the insulator sheet The installation position (5) connecting with the excessively electric clearance thread is provided on body (6).
2. insulator according to claim 1, which is characterized in that the excessively electric gap end is equipped with external screw thread;
The installation position (5) is the mounting hole opened up on the insulator body (6), and internal screw thread is arranged in the mounting hole;Or, The installation position is the attaching nut being arranged on the insulator body (6).
3. insulator according to claim 2, which is characterized in that the insulator body (6) and the excessively electric gap Junction is provided with the fastening nut (4) for tightening.
4. insulator according to claim 1, which is characterized in that the excessively electric gap includes:
Cross electric gap head (1) and excessively electric gap tail portion (7);
It is set between the excessively electric gap head (1) and the excessively electric gap tail portion (7), for adjusting the excessively electric gap head Portion (1) and the excessively electric gap tail portion (7) rotate the adjusting knob (2) of angle.
5. insulator according to claim 4, which is characterized in that the adjusting knob (2) includes being relatively rotatable to each other First rotating disk (201) and the second rotating disk (202), and for fastening first rotating disk (201) and second rotation The fastener of turntable (202);First rotating disk (201) is set to described excessively electric gap head (1) one end, second rotation Turntable (202) is set to described excessively electric gap tail portion (7) one end.
6. insulator according to claim 1, which is characterized in that be provided on the excessively electric gap for adjusting the mistake The telescoping mechanism of electric clearance height.
7. insulator according to claim 6, which is characterized in that the telescoping mechanism is telescopic rod.
8. insulator according to claim 6, which is characterized in that the telescoping mechanism includes mutually being arranged and being threadedly coupled First sleeve and the second casing.
9. insulator according to claim 1, which is characterized in that the excessively electric gap uses carbon steel material or aluminium alloy Material.
CN201821048641.4U 2018-07-03 2018-07-03 A kind of insulator of band gap Active CN208444678U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821048641.4U CN208444678U (en) 2018-07-03 2018-07-03 A kind of insulator of band gap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821048641.4U CN208444678U (en) 2018-07-03 2018-07-03 A kind of insulator of band gap

Publications (1)

Publication Number Publication Date
CN208444678U true CN208444678U (en) 2019-01-29

Family

ID=65088400

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821048641.4U Active CN208444678U (en) 2018-07-03 2018-07-03 A kind of insulator of band gap

Country Status (1)

Country Link
CN (1) CN208444678U (en)

Similar Documents

Publication Publication Date Title
CN203386547U (en) Integrated fixed external series gap self-disengaging metal oxide lightning arrester insulators
CN101699573A (en) Lightning arrester insulator for overhead wire insulated conductor
CN201075318Y (en) Insulator string electrical arc discharge apparatus
CN202189630U (en) 10kV lightning flashover protector with discharge counter
CN208444678U (en) A kind of insulator of band gap
CN201171150Y (en) Overvoltage protector for open-resistant lever for avoiding wire from breaking due to lightning stroke
CN211018217U (en) Lightning arrester mounting bracket
CN101728808A (en) Arrester for electrified railway traction power supply system
CN104393497B (en) The insulated installing device and its application method of a kind of arrester casing
CN201498967U (en) Angle-form over-voltage protection device
CN202102814U (en) Porcelain insulator for preventing insulated conductor breakage caused by lightning stroke
CN201117373Y (en) Line insulator lightning protection overvoltage protector
CN201611762U (en) Lightning arrester for tractive power supply system of electrified railway
CN202363191U (en) 10 kV line lighting arrester
CN201893186U (en) Windproof inclined composite insulator
CN204102652U (en) A kind of external series gap Penetrative lightning arrester
CN209419173U (en) Component is defendd in windage yaw
CN207052387U (en) A kind of distribution line overvoltage protection
CN209497254U (en) A kind of transformer neutral point grounding surge protective device
CN206117082U (en) Energy -conserving connecting device of ground wire safety
CN201576508U (en) Lightning arrester insulator used for insulated conductor for overhead line
CN107731428A (en) A kind of safety lightning arrester
CN201345261Y (en) Overhead insulated conductor lightning protection hardware
CN201413749Y (en) Lightning-proof overvoltage protector for circuit insulators
CN204537776U (en) The adjustable parallel connection gaps structure of strain insulator string

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant