CN206450720U - Breaker resistance test auxiliary connection device - Google Patents
Breaker resistance test auxiliary connection device Download PDFInfo
- Publication number
- CN206450720U CN206450720U CN201720111305.9U CN201720111305U CN206450720U CN 206450720 U CN206450720 U CN 206450720U CN 201720111305 U CN201720111305 U CN 201720111305U CN 206450720 U CN206450720 U CN 206450720U
- Authority
- CN
- China
- Prior art keywords
- prod
- resistance test
- breaker
- connection device
- mume flower
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to breaker resistance experimental technique field, discloses a kind of breaker resistance test auxiliary connection device, including circular connection conductor, prod, prod fixing hole, fixing bolt, bolt hole, operation handle；This auxiliary connection device is used to connect the Mume flower contact being located on breaker and the experiment pincers on resistance test instrument；The circular connection conductor diameter is less than Mume flower contact aperture, and can stretch into just inside Mume flower contact, is contacted with its inner surface；Left section of the circular connection conductor is hollow conductive drum, and raised one section of conically shaped is used as the conductive part contacted with Mume flower contact inner surface to the left；Right section of circle connection conductor is conductive solid cylinder, and its center is through there is bolt hole, and the bottom side of solid post is provided with prod fixing hole.Breaker resistance test auxiliary connection device of the present utility model is remarkably improved the degree of accuracy of loop resistance experiment, shortens the testing time, and reduction Mume flower contact overheat burns risk.
Description
Technical field
The utility model is related to breaker resistance experimental technique field, the Mume flower contact auxiliary of more particularly to a kind of breaker
Termination.
Background technology
One of middle-placed switch cabinet critical component that breaker is, current power system generally uses VS type breakers, the breaker
It is made up of parts such as insulating cylinder, vacuum interrupter, support, wire outlet seat, conductive arm, Mume flower contacts.Breaker galvanic circle
Performance quality, the safe operation to middle-placed switch cabinet plays an important roll, and the quality of electric conductivity can pass through galvanic circle resistance
Size is reflected, in power supply industry, often to carry out resistance test to breaker.
Current circuit breaker contact persistence test instrument is the most frequently used resistance test instrument of VS type breakers.During test, by electricity
The Mume flower contact of the p-wire and breaker that hinder test instrument is linked together with conducting element and can carry out loop resistance experiment.But
It is that because the Mume flower contact of VS type breakers is circular configuration, and Mume flower contact is made up of arc-shaped flaky fingertip and fastening spring,
Experiment pincers can not reliably vise Mume flower contact conducting position, can trigger the problem of loose contact, test are forbidden；When passing through high current
When, it is also easy to cause Mume flower contact overheat to burn.Therefore, it is necessary to which the Mume flower contact for solving VS type breakers is touched not with testing cramp joint
Good the problem of.
The content of the invention
The purpose of this utility model is to solve Mume flower contact and the experiment pincers loose contact of existing middle-placed switch cabinet VS type breakers
The problem of there is provided a kind of breaker resistance test auxiliary connection device, be remarkably improved the degree of accuracy of loop resistance experiment, contracting
Short testing time, reduction Mume flower contact overheat burns risk.
Breaker resistance test auxiliary connection device of the present utility model, including circular connection conductor, prod, prod
Fixing hole, fixing bolt, bolt hole, operation handle.This auxiliary connection device is used to connect the Mume flower contact being located on breaker
And the experiment pincers on resistance test instrument.The circular connection conductor diameter is less than Mume flower contact aperture, and can stretch into just
Inside Mume flower contact, contacted with its inner surface.Left section of the circular connection conductor is hollow conductive drum, and projection one to the left
Section conically shaped is used as the conductive part contacted with Mume flower contact inner surface.Right section of circle connection conductor is conductive solid cylinder,
Its center is through there is bolt hole, and operation handle is fixed on the right surface of cylinder by fixing bolt through bolt hole.It is solid
The bottom side of post is provided with prod fixing hole, and prod is arranged on prod fixing hole by thread mechanism.
By above-mentioned design, the conductive part of circle connection conductor can be contacted directly with Mume flower contact inner surface, increase plum
The contact area and compatible degree of flower contact inner surface and outer conductive element, reach that improvement is conductive, reduction heating purpose.
Further illustrated as of the present utility model, the prod is cylindrical structure, prod upper end and prod are solid
Determine inside hole provided with the screw thread being mutually matched, it is ensured that prod is contacted well with circle connection conductor.Prod rear surface light
It is sliding, as the clamping part of experiment pincers, the electric conductivity between testing clamp and prod can be improved.
Further illustrate, the fixing bolt is elongated cylindrical structure, and the left side is threaded portion, use as of the present utility model
In being screwed into nut, the right is hexagonal bolt end, facilitates tightening tool to exert a force.
Further illustrated as of the present utility model, the operation handle is half gate hook structure, its left end and fixed spiral shell
Bolt fixes welding, and its right-hand member is to be surrounded by plastic insulating layer outside vertical holding rod, the holding rod, prevents operator from touching accidentally
Electricity.The operation handle of half gate hook structure facilitates staff to use auxiliary connection device, in use, staff's hand-held handle
P-wire can be accessed or be transferred to rapidly Mume flower contact.
Further illustrated as of the present utility model, the circular connection conductor, prod are made using copper or aluminum；
Operation handle uses stainless steel material.In this way, making the auxiliary connection device have satisfactory electrical conductivity, there is certain rigidity again, surely
Gu it is durable.
By breaker resistance test auxiliary connection device of the present utility model, as between resistance test instrument and breaker
Middle coupling element, it is possible to achieve the seamless connection of existing resistance test instrument and breaker Mume flower contact, significantly improves loop electricity
The degree of accuracy of experiment is hindered, shortens the testing time, reduction Mume flower contact overheat burns risk.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the overall structure diagram of the utility model breaker resistance test auxiliary connection device.
Fig. 2 is wiring state figure when the utility model breaker resistance test auxiliary connection device is used.
In figure, 1 --- circle connection conductor；2 --- prod；3 --- prod fixing hole；4 --- fixing bolt；
5 --- bolt hole；6 --- operation handle；7 --- upper conductive arm；8 --- lower conductive arm；9 --- conductive component；
10 --- vacuum interrupter；11 --- breaker；12 --- experiment pincers；13 --- test wire；14 --- resistance test instrument；
15 --- Mume flower contact.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 2, breaker resistance test auxiliary connection device of the present utility model, including circular connection conductor
1st, prod 2, prod fixing hole 3, fixing bolt 4, bolt hole 5, operation handle 6；This auxiliary connection device is used for connection position
In the Mume flower contact 15 on breaker 11 and the pincers of the experiment on resistance test instrument 14 12；The circular connection diameter of conductor 1
It can stretch into inside Mume flower contact 15, be contacted with its inner surface less than Mume flower contact aperture, and just；The circular connection conductor 1
Left section be hollow conductive drum, and raised one section of conically shaped is used as the conductive part contacted with Mume flower contact inner surface to the left；Circle
Right section of shape connection conductor 1 is conductive solid cylinder, and its center is through there is bolt hole 5, and fixing bolt 4 passes through bolt hole
Operation handle 6 is fixed on the right surface of cylinder；The bottom side of solid post is provided with prod fixing hole 3, and prod 2 passes through spiral shell
Line mechanism is arranged on prod fixing hole 3.
The prod 2 is provided with the spiral shell being mutually matched inside cylindrical structure, the upper end of prod 2 and prod fixing hole
Line；The rear surface of prod 2 is smooth, is used as the clamping part of experiment pincers 12.The fixing bolt 4 is elongated cylindrical structure, the left side
It is used to be screwed into nut for threaded portion, the right is hexagonal bolt end, facilitates tightening tool to exert a force.The operation handle 6 is half
Gate hook structure, its left end is fixed with fixing bolt 4 and welded, and its right-hand member is to be surrounded by modeling outside vertical holding rod, the holding rod
Expect insulating barrier.The circular connection conductor 1, prod 2 are made using copper or aluminum；Operation handle 6 uses stainless steel material.
Breaker resistance test auxiliary connection device application method of the present utility model is as follows：
As described in Figure 2, middle-placed switch cabinet VS types breaker includes upper conductive arm 7, lower conductive arm 8, conductive component 9, vacuum
Arc-chutes 10, breaker 11, resistance test instrument 14 include experiment pincers 12, test wire 13.
In use, upper conductive arm 7, lower conductive arm 8 respectively in middle-placed switch cabinet VS type breakers finds corresponding plum blossom
Contact 15, two breaker resistance test auxiliary connection devices is inserted respectively the plum blossom of upper conductive arm 7, lower conductive arm 8
Touch in 15, prod 2 is connected conductor 1 with circle and is connected through threaded connection, then by experiment pincers 12 with prod 2.Wiring is finished, i.e.,
Operable resistance test instrument 14, resistance test is carried out to breaker, particularly to conductive component, vacuum arc-extinguishing chamber contact, outlet
The contact resistance of the connection members such as seat is tested, and loose contact situation is whether there is to distinguish.
Obviously, above-described embodiment illustrates the utility model example just for the sake of clear, and not to implementing
Restriction.For the those of ordinary skill in the field, other not similar shapes can also be made on the basis of the above description
The change or variation of formula.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out it is aobvious and easy
Among the change or variation seen are still in protection domain of the present utility model.
Claims (5)
1. a kind of breaker resistance test auxiliary connection device, it is solid that it includes circle connection conductor (1), prod (2), prod
Determine hole (3), fixing bolt (4), bolt hole (5), operation handle (6)；This auxiliary connection device, which is used to connect, is located at breaker
(11) Mume flower contact (15) on and the experiment pincers (12) on resistance test instrument (14)；The circular connection conductor (1) is straight
Footpath is less than Mume flower contact aperture, and can stretch into Mume flower contact (15) inside just, is contacted with its inner surface；It is characterized in that：Institute
State circular connection conductor (1) left section is hollow conductive drum, and to the left raised one section of conically shaped as with table in Mume flower contact
The conductive part of face contact；Right section of circle connection conductor (1) is conductive solid cylinder, and its center, which runs through, bolt hole
(5), operation handle (6) is fixed on the right surface of cylinder by fixing bolt (4) through bolt hole；The bottom side of solid post is provided with
Prod fixing hole (3), prod (2) is arranged on prod fixing hole (3) by thread mechanism.
2. breaker resistance test auxiliary connection device according to claim 1, it is characterised in that：The prod (2)
For cylindrical structure, provided with the screw thread being mutually matched inside prod (2) upper end and prod fixing hole；Prod (2) lower end table
Face is smooth, and the clamping part of (12) is clamped as experiment.
3. breaker resistance test auxiliary connection device according to claim 2, it is characterised in that：The fixing bolt
(4) it is elongated cylindrical structure, the left side is that threaded portion is used to be screwed into nut, and the right is hexagonal bolt end, facilitates tightening tool
Force.
4. breaker resistance test auxiliary connection device according to claim 3, it is characterised in that：The operation handle
(6) it is half gate hook structure, its left end is outside vertical holding rod, the holding rod with the fixed welding of fixing bolt (4), its right-hand member
Portion is surrounded by plastic insulating layer.
5. breaker resistance test auxiliary connection device according to claim 4, it is characterised in that：The circular connection is led
Body (1), prod (2) are made using copper or aluminum；Operation handle (6) uses stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111305.9U CN206450720U (en) | 2017-02-06 | 2017-02-06 | Breaker resistance test auxiliary connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111305.9U CN206450720U (en) | 2017-02-06 | 2017-02-06 | Breaker resistance test auxiliary connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206450720U true CN206450720U (en) | 2017-08-29 |
Family
ID=59668065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720111305.9U Expired - Fee Related CN206450720U (en) | 2017-02-06 | 2017-02-06 | Breaker resistance test auxiliary connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206450720U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656105A (en) * | 2017-10-30 | 2018-02-02 | 广州供电局有限公司 | Connection plug and circuit resistance tester |
| CN110412373A (en) * | 2019-07-23 | 2019-11-05 | 安徽升隆电气有限公司 | A kind of switchgear fault early warning system and its replacing options |
| CN111413525A (en) * | 2020-04-07 | 2020-07-14 | 广东电网有限责任公司 | Auxiliary device for testing loop resistance of vacuum circuit breaker |
| CN112180249A (en) * | 2020-09-25 | 2021-01-05 | 广东电网有限责任公司 | Switch loop resistance test platform |
| CN112684254A (en) * | 2020-11-26 | 2021-04-20 | 广西电网有限责任公司桂林供电局 | Conductive loop detection device and data return method |
-
2017
- 2017-02-06 CN CN201720111305.9U patent/CN206450720U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656105A (en) * | 2017-10-30 | 2018-02-02 | 广州供电局有限公司 | Connection plug and circuit resistance tester |
| CN110412373A (en) * | 2019-07-23 | 2019-11-05 | 安徽升隆电气有限公司 | A kind of switchgear fault early warning system and its replacing options |
| CN110412373B (en) * | 2019-07-23 | 2021-08-27 | 安徽升隆电气有限公司 | Switch cabinet fault early warning system and replacement method thereof |
| CN111413525A (en) * | 2020-04-07 | 2020-07-14 | 广东电网有限责任公司 | Auxiliary device for testing loop resistance of vacuum circuit breaker |
| CN112180249A (en) * | 2020-09-25 | 2021-01-05 | 广东电网有限责任公司 | Switch loop resistance test platform |
| CN112180249B (en) * | 2020-09-25 | 2022-04-12 | 广东电网有限责任公司 | Switch loop resistance test platform |
| CN112684254A (en) * | 2020-11-26 | 2021-04-20 | 广西电网有限责任公司桂林供电局 | Conductive loop detection device and data return method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20220206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |