CN109360695A - A kind of insulator aluminum grading ring - Google Patents
A kind of insulator aluminum grading ring Download PDFInfo
- Publication number
- CN109360695A CN109360695A CN201811271386.4A CN201811271386A CN109360695A CN 109360695 A CN109360695 A CN 109360695A CN 201811271386 A CN201811271386 A CN 201811271386A CN 109360695 A CN109360695 A CN 109360695A
- Authority
- CN
- China
- Prior art keywords
- grading ring
- small
- loop bar
- ring
- adjusting rod
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
The present invention relates to power Transmission safeguard technical fields, and disclose a kind of insulator aluminum grading ring, including grading ring, the grading ring includes small grading ring, middle grading ring and big grading ring, the bottom surface thread bush of the small grading ring is equipped with adjusting rod, the bottom of the adjusting rod is movably installed with fixed loop bar, and the bottom surface of the fixed loop bar is fixedly connected with the top surface of middle grading ring.Insulator aluminum grading ring; by the way that grading ring is arranged to openning shape; opening portion is discharging gap, when charge savings is excessive, can be released stress with self-discharge; it can be good at satisfaction ± 8000kV DC line operation demand, insulator end protected not corroded by electric field; again convenient for online replacement and installation, line upkeep cost is greatly saved, and excellent material can effectively avoid corroding; ensure to run reliably and with long-term, there are very high market application prospect and economic results in society.
Description
Technical field
The present invention relates to power Transmission safeguard technical field, specially a kind of insulator aluminum grading ring.
Background technique
Composite insulator is a very important equipment in transmission line of electricity, and pressing shielding problem is to influence transmission line of electricity
Key factor whether operational safety.The Problems of The Electric Field of composite insulator is mainly its Analysis of End Electric Field, the electric field on fitting
Intensity is larger, and when being air-dried, corona phenomenon is likely to occur on fitting, and therefore, it is necessary to try to reduce hardware end
Electric field strength installs grading ring, reduces the electric field strength of hardware end.
Currently, transmit electricity cable in face of 800kV or so direct-current ultra high voltage, existing grading ring and composite insulator are obviously not
The needs of UHV transmission line are able to satisfy, and grading ring position is mainly appeared on for circuit malfunctions tripping, mainly
The reason of generation is: currently, the structure of grading ring is hollow form, aerial birds droppings falls in across grading ring and issues positioned at grading ring
Insulator on, be the main reason for influencing line tripping, simultaneously as in different circuit voltage and electric current be all it is inconsistent,
In order to meet the grading ring for uniformly generally requiring production different size size, greatly increases the diversification of production mould, increase
The production cost of grading ring.
Summary of the invention
The present invention provides a kind of insulator aluminum grading rings, have applied widely, accommodating sundries interference insulator
The advantage low with production cost solves currently, in face of 800kV or so direct-current ultra high voltage transmission of electricity cable, existing grading ring with
And composite insulator is not obviously able to satisfy the needs of UHV transmission line, and trips mainly and occur for circuit malfunctions
At grading ring position, main the reason of occurring is: currently, the structure of grading ring is hollow form, aerial birds droppings passes through grading ring
It falls in and is located on the insulator that grading ring issues, be the main reason for influencing line tripping, simultaneously as voltage in different circuits
All be with electric current it is inconsistent, in order to meet uniformly, generally require production different size size grading ring, greatly increase life
Produce the diversification of mold, the problem of increasing grading ring production cost.
The invention provides the following technical scheme: a kind of insulator aluminum grading ring, including grading ring, the grading ring packet
Small grading ring, middle grading ring and big grading ring are included, the bottom surface thread bush of the small grading ring is equipped with adjusting rod, the adjusting rod
Bottom is movably installed with fixed loop bar, and the bottom surface of the fixed loop bar is fixedly connected with the top surface of middle grading ring, the regulating tank
Front be fixedly installed with fixing bolt compatible with adjusting rod, the external activity of the adjusting rod is set with compressed spring,
The upper and lower ends of the compressed spring are fixedly connected with the bottom surface of the top surface of fixed loop bar and small grading ring respectively, described small to press
Latch segment is fixedly installed with inside ring, the quantity of the latch segment is two, and the side between two latch segments is fixedly mounted
There is thin curved bar, one end between two thin curved bars is movably installed with extension rod, the external activity suit of the thin curved bar
Have a buffer spring, the both ends of the buffer spring respectively latch segment and extension rod and between side be fixedly connected, it is described small
The flexible plastic partition fabric of side wrap between pressure ring, middle grading ring and big grading ring, the small grading ring, middle grading ring and big
There is folding seam between grading ring, and the side opened and closed between seam is smooth surface.
Optionally, the inner surface of the small grading ring, middle grading ring and big grading ring is fixedly installed with connecting rod, described
The other end of connecting rod is fixedly installed with clamping block, and the quantity of the clamping block is two, be located at described in two small grading ring and
It is fixedly installed with shaft by being clamped bolt between clamping block in big grading ring, the side described in two between middle grading ring
Face is fixedly installed with stable loop bar by another group of shaft.
Optionally, the quantity of the shaft is two, one end between two shafts with stablize up and down the two of loop bar
Face movable set, the side between two shafts are movably installed with the thin bar for being located at and stablizing inside loop bar, the thin bar
External activity is set with connecting spring, and company is fixed in the side between two shafts to the upper and lower ends of the connecting spring respectively
It connects.
Optionally, the external screw-thread of the fixing bolt, which is set with, is located at the fixed positive fastening nut of loop bar, described solid
The front for determining loop bar offers regulating tank compatible with fixing bolt, and the front of the fixed loop bar is equipped with and fixing bolt phase
The scale of adaptation.
Optionally, the bottom surface of the small grading ring and middle grading ring offers mounting hole compatible with adjusting rod.
Optionally, the connecting rod is equipped with adapter sleeve block close to the side fixing sleeve of small grading ring, and adapter sleeve block is another
One side is fixedly connected with the side of small grading ring.
The present invention have it is following the utility model has the advantages that
1, insulator aluminum grading ring, by the way that grading ring is arranged to openning shape, opening portion is discharging gap, when
It when charge savings is excessive, can be released stress with self-discharge, can be good at satisfaction ± 8000kV DC line operation demand, protect
Shield insulator end is not corroded by electric field, and convenient for online replacement and installation, greatly saves line upkeep cost, and excellent
Material can effectively avoid corroding, it is ensured that run reliably and with long-term, have very high market application prospect and economic results in society.
2, insulator aluminum grading ring is covered on the outside of grading ring every cloth by setting elastoplastic, will pressed
The inner ring of ring is isolated with outer ring, so as to avoid water droplet for falling in protection plate surface etc. from flowing to from the through hole of protective plate
The inner wall of protective plate drops on insulator umbrella in turn, and insulator is effectively protected.
3, insulator aluminum grading ring, by the way that fixed loop bar is arranged to small grading ring, middle grading ring and big grading ring
Height is adjusted, and is more become the diameter of grading ring by extension rod, so that the device can be according to different electric currents
Voltage environment is adjusted, and avoids the diversification of grading ring, reduces the cost of production, while being conducive to grading ring
Online installation and removal, do not need that disassembly insulator, lifting route can easily realize the replacement of grading ring again.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is Fig. 1 external structure schematic diagram of the present invention；
Fig. 3 is the small grading ring plan structure signal of the present invention；
Fig. 4 is Fig. 2 external structure of the present invention signal；
Fig. 5 is shaft configurations of the present invention signal；
Fig. 6 is height adjuster structural representation of the present invention；
Fig. 7 is structural representation at A of the present invention.
In figure: 1, grading ring；101, small grading ring；102, middle grading ring；103, big grading ring；2, connecting rod；21, it is clamped
Block；22, it is clamped bolt；3, shaft；31, stablize loop bar；32, thin bar；33, connecting spring；4, extension rod；41, thin curved bar；42,
Buffer spring；43, latch segment；5, fixed loop bar；51, adjusting rod；52, regulating tank；53, fixing bolt；54, scale；55, it compresses
Spring；56, mounting hole；6, elastoplastic is every cloth.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7, a kind of insulator aluminum grading ring, including grading ring 1 are please referred to, grading ring 1 includes small grading ring
101, middle grading ring 102 and big grading ring 103, the inner surface of small grading ring 101, middle grading ring 102 and big grading ring 103 are solid
Dingan County is equipped with connecting rod 2, and the other end of connecting rod 2 is fixedly installed with clamping block 21, and the quantity of clamping block 21 is two, two positions
Shaft 3 is fixedly installed with by being clamped bolt 22 between clamping block 21 in small grading ring 101 and big grading ring 103, two
Side between middle grading ring 102 is fixedly installed with stable loop bar 31 by another group of shaft 3, and the quantity of shaft 3 is two
It is a, one end between two shafts 3 and the upper and lower surface movable set for stablizing loop bar 31, the side activity between two shafts 3
It is set with the thin bar 32 for being located at and stablizing inside loop bar 31, and convenient for online replacement and installation, greatly saves line upkeep cost,
And excellent material can effectively avoid corroding, it is ensured that run reliably and with long-term, have very high market application prospect and society's warp
The bottom surface of Ji benefit, small grading ring 101 and middle grading ring 102 offers mounting hole 56 compatible with adjusting rod 51, thin bar
32 external activity is set with connecting spring 33, and the side between two shafts 3 is solid respectively for the upper and lower ends of connecting spring 33
The bottom surface thread bush of fixed connection, small grading ring 101 is equipped with adjusting rod 51, side fixing sleeve of the connecting rod 2 close to small grading ring 101
Equipped with adapter sleeve block, and the another side of adapter sleeve block is fixedly connected with the side of small grading ring 101, and the bottom of adjusting rod 51 is living
Dynamic to be set with fixed loop bar 5, the bottom surface of fixed loop bar 5 is fixedly connected with the top surface of middle grading ring 102, and the front of regulating tank 52 is solid
Dingan County is equipped with fixing bolt 53 compatible with adjusting rod 51, and the external screw-thread of fixing bolt 53, which is set with, is located at fixed loop bar 5
Positive fastening nut, the front of fixed loop bar 5 offer regulating tank 52 compatible with fixing bolt 53, fixed loop bar 5
Front is equipped with scale 54 compatible with fixing bolt 53, and the external activity of adjusting rod 51 is set with compressed spring 55, compresses bullet
The upper and lower ends of spring 55 are fixedly connected with the bottom surface of the top surface of fixed loop bar 5 and small grading ring 101 respectively, in small grading ring 101
Portion is fixedly installed with latch segment 43, and the quantity of latch segment 43 is two, and the side between two latch segments 43 is fixedly installed with
Thin curved bar 41, one end between two thin curved bar 41 are movably installed with extension rod 4, and the external activity of thin curved bar 41 is set with slow
Spring 42 is rushed, side of the both ends of buffer spring 42 respectively between extension rod 4 and latch segment 43 is fixedly connected, small grading ring
101, the flexible plastic partition fabric 6 of side wrap between middle grading ring 102 and big grading ring 103, small grading ring 101, in press
There is folding seam between ring 102 and big grading ring 103, and the side opened and closed between seam is smooth surface.
In use, the diameter of grading ring 1 is adjusted to predetermined by adjusting extension rod 4 according to voltage and current environment first
Diameter connects through mobile fixing bolt 53, thus change the length between adjusting rod 51 and fixed loop bar 5, it is then fixed solid
Determine bolt 53, it is then by two clamping blocks 21 that shaft 3 is fixed, it is finally completed installation.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of insulator aluminum grading ring, including grading ring (1), it is characterised in that: the grading ring (1) includes small pressing
The bottom surface thread bush of ring (101), middle grading ring (102) and big grading ring (103), the small grading ring (101) is equipped with adjusting rod
(51), the bottom of the adjusting rod (51) is movably installed with fixed loop bar (5), and the bottom surface of the fixed loop bar (5) is pressed in
The top surface of ring (102) is fixedly connected, and the front of the regulating tank (52) is fixedly installed with and adjusting rod (51) compatible fixation
The external activity of bolt (53), the adjusting rod (51) is set with compressed spring (55), and up and down the two of the compressed spring (55)
End is fixedly connected with the bottom surface of the top surface of fixed loop bar (5) and small grading ring (101) respectively, and the small grading ring (101) is internal
It is fixedly installed with latch segment (43), the quantity of the latch segment (43) is two, and the side between two latch segments (43) is solid
Dingan County is equipped with thin curved bar (41), and one end between two thin curved bars (41) is movably installed with extension rod (4), described thin curved
The external activity of bar (41) is set with buffer spring (42), the both ends of the buffer spring (42) respectively with extension rod (4) and lock
Side between tight block (43) is fixedly connected, between the small grading ring (101), middle grading ring (102) and big grading ring (103)
The flexible plastic partition fabric of side wrap (6), the small grading ring (101), middle grading ring (102) and big grading ring (103) it
Between have folding seam, and open and close seam between side be smooth surface.
2. a kind of insulator aluminum grading ring according to claim 1, it is characterised in that: the small grading ring (101),
The inner surface of middle grading ring (102) and big grading ring (103) is fixedly installed with connecting rod (2), the connecting rod (2) it is another
End is fixedly installed with clamping block (21), and the quantity of the clamping block (21) is two, be located at described in two small grading ring (101) and
Shaft (3) are fixedly installed with by being clamped bolt (22) between clamping block (21) in big grading ring (103), are located at described in two
Side between middle grading ring (102) is fixedly installed with stable loop bar (31) by another group of shaft (3).
3. a kind of insulator aluminum grading ring according to claim 2, it is characterised in that: the quantity of the shaft (3)
It is two, one end between two shafts (3) and the upper and lower surface movable set for stablizing loop bar (31), two shafts
(3) side between, which is movably installed with to be located at, stablizes the internal thin bar (32) of loop bar (31), the external activity of the thin bar (32)
It is set with connecting spring (33), side of the upper and lower ends of the connecting spring (33) respectively between two shafts (3) is fixed
Connection.
4. a kind of insulator aluminum grading ring according to claim 1, it is characterised in that: the fixing bolt (53)
External screw-thread, which is set with, is located at fixed loop bar (5) positive fastening nut, and the front of the fixed loop bar (5) offers and fixes
The front of the compatible regulating tank (52) of bolt (53), the fixed loop bar (5) is equipped with fixing bolt (53) compatible quarter
It spends (54).
5. a kind of insulator aluminum grading ring according to claim 1, it is characterised in that: the small grading ring (101)
It is offered and adjusting rod (51) compatible mounting hole (56) with the bottom surface of middle grading ring (102).
6. a kind of insulator aluminum grading ring according to claim 1, it is characterised in that: the connecting rod (2) is close
The side fixing sleeve of small grading ring (101) is equipped with adapter sleeve block, and the side of the another side of adapter sleeve block and small grading ring (101)
Face is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271386.4A CN109360695B (en) | 2018-10-30 | 2018-10-30 | Aluminum grading ring for insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271386.4A CN109360695B (en) | 2018-10-30 | 2018-10-30 | Aluminum grading ring for insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109360695A true CN109360695A (en) | 2019-02-19 |
| CN109360695B CN109360695B (en) | 2020-03-06 |
Family
ID=65347295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271386.4A Active CN109360695B (en) | 2018-10-30 | 2018-10-30 | Aluminum grading ring for insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109360695B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948295A (en) * | 2019-12-24 | 2020-04-03 | 蔡晨波 | Simple tool grinding machine with buffer seat |
| CN111210956A (en) * | 2020-01-15 | 2020-05-29 | 惠州市森叶五金电子有限公司 | Corona-proof voltage-sharing type aluminum shielding crimping ring |
| CN112397262A (en) * | 2020-11-06 | 2021-02-23 | 广东电网有限责任公司电力科学研究院 | Composite insulator grading ring with adjustable shielding depth |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832482A (en) * | 1972-07-17 | 1974-08-27 | Westinghouse Electric Corp | Ehv rain-shield and voltage grading ring for high-voltage equipment |
| US5200578A (en) * | 1991-11-27 | 1993-04-06 | The United States Of America As Represented By The United States Department Of Energy | High voltage feedthrough bushing |
| CN104376933A (en) * | 2014-11-11 | 2015-02-25 | 国家电网公司 | 800 kV direct-current insulator with optimized umbrella-shaped structure |
| CN205789329U (en) * | 2016-07-14 | 2016-12-07 | 国家电网公司 | Grading ring |
| CN106531372A (en) * | 2016-11-11 | 2017-03-22 | 扬州市美华电气有限公司 | Pressure equalizing ring capable of adjusting distance |
| CN207068564U (en) * | 2017-06-21 | 2018-03-02 | 国家电网公司 | 750kV reactor local discharge test device grading rings |
| CN108172351A (en) * | 2016-12-07 | 2018-06-15 | 中国电力科学研究院 | A kind of grading ring for enhancing transmission circuit insulator string dielectric strength |
| CN207765307U (en) * | 2018-02-08 | 2018-08-24 | 扬州鑫宝电气有限公司 | A kind of reactor grading ring |
-
2018
- 2018-10-30 CN CN201811271386.4A patent/CN109360695B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832482A (en) * | 1972-07-17 | 1974-08-27 | Westinghouse Electric Corp | Ehv rain-shield and voltage grading ring for high-voltage equipment |
| US5200578A (en) * | 1991-11-27 | 1993-04-06 | The United States Of America As Represented By The United States Department Of Energy | High voltage feedthrough bushing |
| CN104376933A (en) * | 2014-11-11 | 2015-02-25 | 国家电网公司 | 800 kV direct-current insulator with optimized umbrella-shaped structure |
| CN205789329U (en) * | 2016-07-14 | 2016-12-07 | 国家电网公司 | Grading ring |
| CN106531372A (en) * | 2016-11-11 | 2017-03-22 | 扬州市美华电气有限公司 | Pressure equalizing ring capable of adjusting distance |
| CN108172351A (en) * | 2016-12-07 | 2018-06-15 | 中国电力科学研究院 | A kind of grading ring for enhancing transmission circuit insulator string dielectric strength |
| CN207068564U (en) * | 2017-06-21 | 2018-03-02 | 国家电网公司 | 750kV reactor local discharge test device grading rings |
| CN207765307U (en) * | 2018-02-08 | 2018-08-24 | 扬州鑫宝电气有限公司 | A kind of reactor grading ring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948295A (en) * | 2019-12-24 | 2020-04-03 | 蔡晨波 | Simple tool grinding machine with buffer seat |
| CN111210956A (en) * | 2020-01-15 | 2020-05-29 | 惠州市森叶五金电子有限公司 | Corona-proof voltage-sharing type aluminum shielding crimping ring |
| CN112397262A (en) * | 2020-11-06 | 2021-02-23 | 广东电网有限责任公司电力科学研究院 | Composite insulator grading ring with adjustable shielding depth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109360695B (en) | 2020-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109360695A (en) | A kind of insulator aluminum grading ring | |
| CN209344700U (en) | A kind of PVC cable protection pipe convenient for connection installation | |
| CN208093270U (en) | A kind of assembly type electric porcelain insulator | |
| CN208835625U (en) | A kind of insulated hull peel-off device of cable | |
| CN107039936B (en) | A kind of wall bushing | |
| CN104332935A (en) | 10kV distribution network line anti-thunder protection device allowing electrified replacement | |
| CN208889461U (en) | A kind of current transformer being easily installed | |
| CN207134774U (en) | 500kV overhead transmission line spring shock absorption type inter-phase spacers | |
| CN209250197U (en) | Single pole is taken shelter from the thunder line bracket | |
| CN210199196U (en) | Couple impulse type arrester counter device | |
| CN208674751U (en) | The vertical fixture of yoke plate and replacing device for insulator | |
| CN210243721U (en) | Electric power gauge wiring device | |
| CN208111331U (en) | Rain cover and disconnecting link device on disconnecting link | |
| CN109103624B (en) | Mounting base of electronic equipment ground terminal | |
| CN207264847U (en) | A kind of post composite insulator | |
| CN209604368U (en) | A kind of adjustable U-shaped anchor ear | |
| CN207926072U (en) | A kind of dismountable single conductor fixture | |
| CN207318560U (en) | A kind of rain-proof electric metering box | |
| CN215067193U (en) | Insulation alarm device for alternating current power supply system of transformer substation | |
| CN208545748U (en) | Triangle self locking expansion ground pile anchoring bar | |
| CN216528723U (en) | Device is changed to outdoor strut type fuse of 35 kilovolts of high pressure | |
| CN210326208U (en) | Electricity testing grounding ring with lightning protection function | |
| CN208539502U (en) | A kind of pipe sleeve through walls with safeguard function | |
| CN207883914U (en) | A kind of grounding rod of anti-underground water exudation | |
| CN208225649U (en) | A kind of lightning arrestering transformer safety basement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |