CN106771925A - Vacuum interrupter fracture resistance test frock is pressed in one kind - Google Patents
Vacuum interrupter fracture resistance test frock is pressed in one kind Download PDFInfo
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- CN106771925A CN106771925A CN201710002951.6A CN201710002951A CN106771925A CN 106771925 A CN106771925 A CN 106771925A CN 201710002951 A CN201710002951 A CN 201710002951A CN 106771925 A CN106771925 A CN 106771925A
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- vacuum interrupter
- rocking bar
- column
- fracture
- sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to Medium voltage switch or circuit breaker appliance field, especially middle pressure vacuum interrupter fracture resistance test frock.It is laborious to solve existing vacuum interrupter fracture resistance test frock, in-convenience in use and inefficient problem, the present invention includes high pressure generator, insulator foot, metallic plate, vacuum interrupter, fracture pull-open device, and fracture pull-open device is made up of sleeve, column, rocking bar, screw rod, cushion block；Column is provided with the hole for installing rocking bar at upper cartridge outer, column top；Rocking bar is connected by axle with column；Rocker front end has through hole, and suspension ring pass through the through hole；Screw rod lower end is provided with thread, and top is circular cover, and cover plate top is hook.This frock is operated using lever principle is convenient, laborsaving, time saving；The design of limited block effectively protects vacuum interrupter, it is to avoid impact to bellows.This tool structure is simple, efficient, compared with existing detection mode, can save for more than 30% man-hour.
Description
Technical field
The present invention relates to Medium voltage switch or circuit breaker appliance field, especially middle pressure vacuum interrupter fracture resistance test frock.
Background technology
In power system, vacuum interrupter has obtained largely using, breaker, load especially with vacuum interrupter
Switch has turned into main force's switchgear of power distribution network.The performance of vacuum interrupter for switchgear normal operation to close weight
Will, therefore need to detect the property indices of vacuum interrupter, including insulation against ground and fracture before using vacuum interrupter
Insulation index.The fracture insulating capacity of vacuum interrupter and the distance dependent of fracture, fracture apart from it is excessive or it is too small all can not be true
The insulating capacity of real reflection vacuum interrupter, to using bringing potential hidden danger.Publication number 203950011U provides a kind of vacuum
Arc-chutes insulation detection device.The document discloses " vacuum interrupter placement platform, fracture pull-open device and Insulation Test transformation
Device, it is characterised in that the lower section in vacuum extinction room is provided with static contact, top is provided with moving contact, and static contact is tight with moving contact
Contiguity touch and be provided with vacuum interrupter fracture between the two, be provided with vacuum interrupter placement platform and contacted with its static contact
Metal flat, the top of vacuum interrupter is arranged on fracture pull-open device and the screens being connected with its moving contact is provided with, lead to
Fracture pull-open device is crossed to separate the dynamic and static contact of vacuum interrupter, and keep its parameter request open away from, realize to vacuum extinction
The technical characteristics such as the insulating properties detection of room ".The arc-chutes that need testing staff one hand steered during use, another hand holds disconnected
The annulus of mouth pull-open device, then firmly pulls open vacuum interrupter moving contact, while needing other colleagues to put fracture holding cushion block
Enter.The method is relatively elaborate, and in-convenience in use, it is inefficient.Because the method lacks spacing to fracture pull-open device, easily
Cause sustaining damage for bellows.Therefore, it is necessary to improve vacuum interrupter Insulation monitoring dress disclosed in document 203950011U
Put, reduce labour intensity, improve resistance test efficiency.
The content of the invention
It is an object of the invention to provide vacuum interrupter fracture resistance test frock is pressed in one kind, existing detection dress is solved
Put laborious, in-convenience in use and inefficient problem.
To solve the above problems, the technical scheme of this frock is：Vacuum interrupter fracture resistance test frock is pressed in one kind,
Including high pressure generator, insulator foot, metallic plate, vacuum interrupter, fracture pull-open device, it is characterised in that：Fracture pull-open device by
Sleeve, column, rocking bar, screw rod, cushion block composition；Column is provided with the hole for installing rocking bar at upper cartridge outer, column top；Rocking bar
It is connected with column by axle；Rocker front end has through hole, and suspension ring pass through the through hole；Screw rod lower end is provided with thread, and top is circular lid
Plate, cover plate top is hook.Cushion block is opened away from requiring according to different vacuum interrupters, is designed to different thickness.Each cushion block
The vacuum interrupter of a kind of voltage class of correspondence and model, and thickness data is identified on cushion block.Cushion block is horseshoe-shape, and it lacks
Mouth is more than outer screw diameter.
Sleeve diameter is more than moved end fairlead external diameter, and sleeve outer diameter is less than movable end of vacuum arc extinguishing chamber end face external diameter.Column is welded
It is connected on sleeve outer.The outer middle side part of column is provided with 2-4 fixing hole, and the embedded limited block blending bolt in column outside passes through fixing hole
It is fixed.The U-shaped channel-shaped of limited block, U-lag width is approximately more than column width.Limited block protuberance is in arc-shaped, is mitigated and rocking bar
Between abrasion.
Limited block can also be on rocking bar, and rocking bar middle part sets 1-3 groove.Limited block is divided into two parts, upper part
Centre is provided with circular hole, and circular-hole internal-wall is provided with screw, and bolt can be screwed into groove from screw.Limited block bottom is gag lever post, limit
Position club head is in arc-shaped, there is cushion collar above.Cushion collar is made up of good toughness, wear-resisting material, such as silicon rubber or rubber material
Material.The most large opening of the different arc-chutes of groove correspondence different on rocking bar.By the design of limited block, reach protection vacuum and go out
The purpose of arc chamber, it is to avoid because excess compression bellows be directed at it is impaired, or even occur rupture gas leakage.
A kind of application method of middle pressure vacuum interrupter fracture resistance test frock：1. according to vacuum interrupter voltage class
And model, adjust the position of limited block；2. vacuum interrupter to be checked is sequentially discharged on a metal plate, vacuum interrupter it is quiet
End is conductively connected to be contacted with metallic plate；3. fracture pull-open device is enclosed within movable end of vacuum arc extinguishing chamber, and in each vacuum interrupter
A cushion block for thickness matching is placed on side, fracture pull-open device is connected with wire；4. screw rod is screwed in into vacuum interrupter moving conductive
End, when original shape cover plate touches sleeve top surface, screw rod stops screwing in；5. suspension ring are inserted in hook, press rocking bar, lift spiral shell
, then be put into cushion block between sleeve and circular cover by bar, unclamps rocking bar；6. previous step work is repeated, by other vacuum to be checked
Arc-chutes pull open fracture, add cushion block；7. the high-pressure side and earth terminal of high pressure generator are connected；8. high pressure generator is started, it is defeated
Enter detection voltage, seen whether alarm, if qualified without if, unqualified vacuum interrupter is investigated if having alarm；9. disconnect high
Pressure generator power and connecting line, press rocking bar, take out cushion block, screw out screw rod, take out vacuum interrupter.
Using the beneficial effects of the present invention of above-mentioned measure：1st, this frock is operated using lever principle is convenient, laborsaving, is saved
When；The design of limited block effectively protects vacuum interrupter, it is to avoid impact to bellows.2nd, this frock applicability is good, leads to
The thickness for changing cushion block is crossed, the detection of the vacuum interrupter of various voltage class is adapted to.3rd, this tool structure is simple, high
Effect, compared with existing detection mode, can save for more than 30% man-hour.
Brief description of the drawings
Fig. 1, vacuum interrupter fracture resistance test schematic diagram
The part sectioned view of Fig. 2, vacuum interrupter fracture resistance test frock
Fig. 3, rocking bar schematic diagram
Description of reference numerals：1st, high pressure generator, 2, insulator foot, 3, metallic plate, 4, vacuum interrupter, 4.1, static contact,
4.2nd, moving contact, 4.3, moved end end face, 4.4, moved end fairlead, 4.5, it is quiet be conductively connected end, 4.6, moving conductive connection end, 5, disconnected
Mouthful pull-open device, 5.1, sleeve, 5.2, column, 5.3, rocking bar, 5.31, silicone rubber sleeve, 5.32, shaft hole, 5.4, limited block,
5.41st, cushion collar, 5.42, limited screw, 5.5, suspension ring, 5.6, screw rod, 5.7, circular cover, 5.8, hook, 5.9, cushion block.
Specific embodiment
Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and embodiment, the present invention will be described in further detail.
Embodiment 1：As shown in Figures 1 and 2, vacuum interrupter fracture resistance test frock, including height are pressed in one kind
Pressure generator 1, insulator foot 2, metallic plate 3, vacuum interrupter 4, fracture pull-open device 5, it is characterised in that：Fracture pull-open device 5 by
Sleeve 5.1, column 5.2, rocking bar 5.3, screw rod 5.6, cushion block 5.9 are constituted；Column 5.2 is in the top outer of sleeve 5.1, column 5.2
Top is provided with the hole for installing rocking bar；Rocking bar 5.3 is connected by axle with column 5.2；There is through hole the front end of rocking bar 5.3, and suspension ring 5.5 are passed through
The through hole；The lower end of screw rod 5.6 is provided with thread, and the top of screw rod 5.6 is circular cover 5.7, and the top of circular cover 5.7 is hook 5.8.
Cushion block 5.9 is opened away from requiring according to different vacuum interrupters, is designed to different thickness.A kind of voltage class of each cushion block correspondence
With the vacuum interrupter of model, and thickness data is identified on cushion block.Screw rod 5.6, circular cover 5.7, hook 5.8 are welded on one
Rise.
The internal diameter of sleeve 5.1 is more than the external diameter of moved end fairlead 4.4, and the external diameter of sleeve 5.1 is less than movable end of vacuum arc extinguishing chamber end face 4.3
External diameter.Column 5.2 is welded on the outer of sleeve 5.1.The outer middle side part of column 5.2 is provided with 2-4 fixing hole, and the insertion of column outside is spacing
Block blending bolt is fixed through fixing hole.The U-shaped channel-shaped of limited block, U-lag width is approximately more than column width.Limited block protuberance
In arc-shaped, mitigate and the abrasion between rocking bar.
There are static contact 4.1 and moving contact 4.2 in vacuum interrupter 4.Bellows one end is connected with static contact 4.1, the other end
It is connected with the moved end end face 4.3 of vacuum interrupter.There is moved end fairlead between moved end end face 4.3 and moving conductive connection end 4.5
4.4.Moved end fairlead 4.4 can slow down the impact lateral to bellows.By the design of limited block 5.4, protection vacuum is reached
The purpose of arc-chutes, it is to avoid because excess compression bellows be directed at it is impaired, or even occur rupture gas leakage.
A kind of application method of middle pressure vacuum interrupter fracture resistance test frock：1. according to vacuum interrupter voltage class
And model, adjust the position of limited block；2. vacuum interrupter to be checked is sequentially discharged on a metal plate, vacuum interrupter it is quiet
End 4.4 is conductively connected to be contacted with metallic plate 3；3. fracture pull-open device is enclosed within movable end of vacuum arc extinguishing chamber, and is gone out in each vacuum
A cushion block for thickness matching is placed on arc chamber side, fracture pull-open device is connected with wire；4. screw rod screw-in vacuum interrupter is moved
Conducting end, when original shape cover plate touches sleeve top surface, screw rod stops screwing in；5. suspension ring are inserted in hook, press rocking bar, carried
Screw rod is risen, then cushion block is put between sleeve and circular cover, unclamp rocking bar；6. previous step work is repeated, other are to be checked
Vacuum interrupter pulls open fracture, adds cushion block；7. the high-pressure side and earth terminal of high pressure generator are connected；8. start high pressure to occur
Device, is input into detection voltage, has seen whether alarm, if qualified without if, unqualified vacuum interrupter is investigated if having alarm；9. break
High pressure generator power supply and connecting line are opened, rocking bar is pressed, cushion block is taken out, screw rod is screwed out, vacuum interrupter is taken out.
Embodiment 2：As shown in figure 3, limited block 5.4 can also be on rocking bar 5.3, it is individual recessed that the middle part of rocking bar 5.3 sets 1-3
Groove, is provided with shaft hole 5.32 before groove.Distant bar rear portion is cased with silicone rubber sleeve 5.31.5.4 points of limited block is two parts, upper surface portion
Circular hole is provided with the middle of point, circular-hole internal-wall is provided with screw, and limited screw 5.42 can be screwed into groove from screw.Limited block bottom is
Gag lever post, spacing club head is in arc-shaped, there is cushion collar 5.41 above.Cushion collar 5.41 is made up of good toughness, wear-resisting material,
Such as silicon rubber or elastomeric material.The most large opening of the different arc-chutes of groove correspondence different on rocking bar.Remainder is with implementation
Example 1.
Using the beneficial effects of the present invention of above-mentioned measure：1st, this frock is operated using lever principle is convenient, laborsaving, is saved
When；The design of limited block effectively protects vacuum interrupter, it is to avoid impact to bellows.2nd, this frock applicability is good, leads to
The thickness for changing cushion block is crossed, the detection of the vacuum interrupter of various voltage class is adapted to.3rd, this tool structure is simple, high
Effect, compared with existing detection mode, can save for more than 30% man-hour, save detection time, improve checkability.
Claims (5)
1. vacuum interrupter fracture resistance test frock, including high pressure generator are pressed in one kind（1）, insulator foot（2）, metallic plate
（3）, vacuum interrupter（4）, fracture pull-open device（5）, it is characterised in that：Fracture pull-open device（5）By sleeve（5.1）, column
（5.2）, rocking bar（5.3）, screw rod（5.6）, cushion block（5.9）Composition；Column（5.2）In sleeve（5.1）Top outer, column
（5.2）Top is provided with the hole for installing rocking bar；Rocking bar（5.3）By axle and column（5.2）Connection；Rocking bar（5.3）There is through hole front end,
Suspension ring（5.5）Through the through hole；Screw rod（5.6）Lower end is provided with thread, screw rod（5.6）Top is circular cover（5.7）, circular lid
Plate（5.7）Top is hook（5.8）.
It is 2. middle as claimed in claim 1 to press vacuum interrupter fracture resistance test frock, it is characterised in that：Sleeve（5.1）Internal diameter
More than moved end fairlead（4.4）External diameter, sleeve（5.1）External diameter is less than movable end of vacuum arc extinguishing chamber end face（4.3）External diameter；Column
（5.2）It is welded on sleeve（5.1）Outer, column（5.2）Outer middle side part is provided with 2-4 fixing hole, the embedded limited block in column outside
Blending bolt is fixed through fixing hole；The U-shaped channel-shaped of limited block, U-lag width is approximately more than column width, and limited block protuberance is in
Arc-shaped.
It is 3. middle as claimed in claim 1 to press vacuum interrupter fracture resistance test frock, it is characterised in that：Limited block（5.4）Also
Rocking bar can be mounted in（5.3）On, rocking bar（5.3）Middle part sets 1-3 groove, and shaft hole is provided with before groove（5.32）；After distant bar
Portion is cased with silicone rubber sleeve（5.31）.
It is 4. middle as claimed in claim 3 to press vacuum interrupter fracture resistance test frock, it is characterised in that：Limited block（5.4）Point
It is two parts, circular hole is provided with the middle of upper part, circular-hole internal-wall is provided with screw, limited screw（5.42）Can be screwed into from screw
Groove；Limited block（5.4）Bottom is gag lever post, and spacing club head is in arc-shaped, there is cushion collar above（5.41）.
5. it is a kind of it is middle pressure vacuum interrupter fracture resistance test frock application method：1. according to vacuum interrupter voltage class and
Model, adjusts the position of limited block；2. vacuum interrupter to be checked is sequentially discharged on a metal plate, the quiet of vacuum interrupter is led
Electric connecting terminal 4.4 is contacted with metallic plate 3；3. fracture pull-open device is enclosed within movable end of vacuum arc extinguishing chamber, and in each vacuum extinction
A cushion block for thickness matching is placed on the side of room, fracture pull-open device is connected with wire；4. screw rod screw-in vacuum interrupter is moved and is led
Electric end, when original shape cover plate touches sleeve top surface, screw rod stops screwing in；5. suspension ring are inserted in hook, press rocking bar, lifted
, then be put into cushion block between sleeve and circular cover by screw rod, unclamps rocking bar；6. previous step work is repeated, other are to be checked true
Empty arc-chutes pull open fracture, add cushion block；7. the high-pressure side and earth terminal of high pressure generator are connected；8. high pressure generator is started,
Input detection voltage, has seen whether alarm, if qualified without if, unqualified vacuum interrupter is investigated if having alarm；9. disconnect
High pressure generator power supply and connecting line, press rocking bar, take out cushion block, screw out screw rod, take out vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002951.6A CN106771925A (en) | 2017-01-04 | 2017-01-04 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002951.6A CN106771925A (en) | 2017-01-04 | 2017-01-04 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771925A true CN106771925A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710002951.6A Pending CN106771925A (en) | 2017-01-04 | 2017-01-04 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117741364A (en) * | 2023-12-20 | 2024-03-22 | 江苏米格电气集团股份有限公司 | Magnetic control column vacuum circuit breaker detection system and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788888U (en) * | 2010-08-05 | 2011-04-06 | 西安通大思源电器有限公司 | Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode |
| CN202766126U (en) * | 2012-04-11 | 2013-03-06 | 新兴铸管股份有限公司 | Wear-resistant and durable ascent limiting device |
| CN203950011U (en) * | 2014-05-28 | 2014-11-19 | 赫兹曼电力（广东）有限公司 | A kind of vacuum interrupter insulation detection device |
| CN206339614U (en) * | 2017-01-04 | 2017-07-18 | 广西银河迪康电气有限公司 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
-
2017
- 2017-01-04 CN CN201710002951.6A patent/CN106771925A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788888U (en) * | 2010-08-05 | 2011-04-06 | 西安通大思源电器有限公司 | Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode |
| CN202766126U (en) * | 2012-04-11 | 2013-03-06 | 新兴铸管股份有限公司 | Wear-resistant and durable ascent limiting device |
| CN203950011U (en) * | 2014-05-28 | 2014-11-19 | 赫兹曼电力（广东）有限公司 | A kind of vacuum interrupter insulation detection device |
| CN206339614U (en) * | 2017-01-04 | 2017-07-18 | 广西银河迪康电气有限公司 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117741364A (en) * | 2023-12-20 | 2024-03-22 | 江苏米格电气集团股份有限公司 | Magnetic control column vacuum circuit breaker detection system and detection method |
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Application publication date: 20170531 |