CN204028130U - A kind of large gauge breaker of plastic casing short circuit curve test fixture - Google Patents
A kind of large gauge breaker of plastic casing short circuit curve test fixture Download PDFInfo
- Publication number
- CN204028130U CN204028130U CN201420406582.9U CN201420406582U CN204028130U CN 204028130 U CN204028130 U CN 204028130U CN 201420406582 U CN201420406582 U CN 201420406582U CN 204028130 U CN204028130 U CN 204028130U
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- CN
- China
- Prior art keywords
- action contact
- breaker
- plastic casing
- test fixture
- installing plate
- 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
A kind of large gauge breaker of plastic casing short circuit curve test fixture, comprise installing plate, action contact, action contact orienting lug, compression cylinder, Compress Spring, portable plate, mounting bracket and Manual gas valve door, it is characterized in that: the front portion of described action contact is conducting end, the middle part of described action contact is set to binding post, the afterbody of described action contact is set to motion bar, described mounting bracket is set to right-angle triangle, described installing plate is fixed on the hypotenuse of described mounting bracket, the test fixture of this structure is set to binding post due to the middle part of action contact, conductive strips are fixed by the connection terminal on binding post and introduce test current by breaker of plastic casing testing table, the contact resistance of conductive strips leading-in end is made greatly to reduce and improve electric conductivity, reduce the operational failure of test fixture, simultaneously because the Bracket setting of test fixture is right-angle triangle, the hypotenuse installing plate that more easily breaker of plastic casing of large gauge can be placed on test fixture clamps and tests.
Description
Technical field
The utility model relates to a kind of test fixture, particularly relates to a kind of large gauge breaker of plastic casing short circuit curve test fixture.
Background technology
Isolating switch is a kind of conventional protective device, play the effect of overload and short-circuit protection in for electric line, in order to ensure the product quality of isolating switch, detection check must be carried out with testing table to the short circuit curve of isolating switch when isolating switch dispatches from the factory, fixture is the vitals of breaker test stand, be directly connected to the Detection job of isolating switch and the serviceable life of checking table, particularly large gauge breaker of plastic casing short circuit curve testing table, because test current is large, be easy to break down, its test current of tradition breaker of plastic casing short circuit curve test fixture is clamped by bolt conductive strips by the conductive lever of conductive contact afterbody and introduces, this place is often become and is burned by the weak link of test current, fixture is vertical setting simultaneously, clamp very inconvenient to the test of large gauge breaker of plastic casing.
Summary of the invention
The purpose of this utility model is the familiar lacunas overcoming existing large gauge breaker of plastic casing short circuit curve test fixture, provide that a kind of structure is simple, stable performance, large gauge breaker of plastic casing short circuit curve test fixture easy to use.
The technical solution adopted in the utility model is: a kind of large gauge breaker of plastic casing short circuit curve test fixture, comprise installing plate, action contact, action contact orienting lug, compression cylinder, Compress Spring, portable plate, mounting bracket and Manual gas valve door, it is characterized in that: the front portion of described action contact is conducting end, be set to 7 fonts, the middle part of described action contact is set to binding post, binding post is fixed with connection terminal, conductive strips are fixed by connection terminal and introduce test current by the test current of breaker of plastic casing testing table, the afterbody of described action contact is set to motion bar, described action contact orienting lug is fixed on described installing plate, the conducting end of described action contact is set in installing plate and action contact orienting lug, make action contact can successfully vertically-acting and compress the turnover line end of tested breaker of plastic casing, the motion bar of described action contact is set in portable plate through portable plate, described Compress Spring is arranged with between motion bar and portable plate, described compression cylinder is vertically fixed on the described installing plate back side, described portable plate is fixed on the piston plate of described compression cylinder, four action guide pillars are vertically installed with through described portable plate in the piston rod surrounding of compression cylinder, can correctly vertically-acting when making compression cylinder action, the operating position of described installing plate is provided with Manual gas valve door, the structure of test fixture is made to become quite simple, manual unlocking air valve, pressurized air enters described compression cylinder and promotes the portable plate on piston plate and described action contact be pressed on the terminals up and down testing isolating switch, after having tested, manual-lock air valve, described movable contact unclamps movable contact under the effect of Compress Spring.
The large gauge breaker of plastic casing short circuit curve test fixture of said structure, described mounting bracket is set to right-angle triangle, described installing plate is fixed on the hypotenuse of described mounting bracket, the bottom right angle limit of described mounting bracket is fixed on the panel of breaker of plastic casing testing table, and this set can be undertaken clamping and testing by the test fixture manually loaded on described installing plate by large gauge breaker of plastic casing volume is larger, heavier easily.
The large gauge breaker of plastic casing short circuit curve test fixture of said structure, described action contact is set to upper and lower two groups, often group can arrange corresponding contact number of elements according to the number of poles of tested isolating switch, the action contact number that general phase three-wire three breaker of plastic casing is often organized is 3, if three-phase and four-line breaker of plastic casing, then the action contact number often organized is set to 4.
The beneficial effect that the large gauge breaker of plastic casing short circuit curve test fixture of above structure has is: because the middle part of action contact is set to binding post, binding post is fixed with connection terminal, conductive strips are fixed by the connection terminal of action contact and introduce test current by breaker of plastic casing testing table, the contact resistance of conductive strips leading-in end is made greatly to reduce and improve electric conductivity, reduce the operational failure of test fixture, simultaneously because the Bracket setting of test fixture is right-angle triangle, can easily the breaker of plastic casing of large gauge be placed on the test fixture on hypotenuse installing plate and carry out clamping and testing, the setting of Manual gas valve door simplifies the structure of test fixture, make the work of test fixture more reliable and more stable.
Accompanying drawing explanation
Fig. 1 is a kind of large gauge breaker of plastic casing of the utility model short circuit curve test fixture structure figure.
Fig. 2 is the Facad structure figure of Fig. 1.
Embodiment
Composition graphs 1-Fig. 2, by specific embodiment, is suitable for novel being described further to this.
A kind of large gauge breaker of plastic casing short circuit curve test fixture, comprise installing plate 3, action contact 2, action contact orienting lug 8, compression cylinder 1, Compress Spring 6, portable plate 5, mounting bracket 4 and Manual gas valve door 9, it is characterized in that: the front portion of described action contact 2 is conducting end 201, be set to 7 fonts, the pressure contact portion passing in and out line end at conducting end 201 and tested breaker of plastic casing is welded with silver point 205, the middle part of described action contact 2 is set to binding post 202, binding post 202 is fixed with connection terminal 203, conductive strips are fixed by connection terminal 203 and introduce test current by the test current of breaker of plastic casing testing table, the afterbody of described action contact 2 is set to motion bar 204, described action contact orienting lug 8 is fixed on the front of described installing plate 3, the conducting end 201 of described action contact 2 is set in installing plate 3 and action contact orienting lug 8, the motion bar 204 of described action contact 2 is set in portable plate 5 through portable plate 5, described Compress Spring 6 is arranged with between motion bar 204 and portable plate 5, described compression cylinder 1 is vertically fixed on the back side of described installing plate 3 by 4 erection bolts 101, described portable plate 5 is fixed on the piston plate 102 of described compression cylinder 1, four action guide pillars 7 are vertically installed with through described portable plate 5 in the piston rod surrounding of compression cylinder 1, the operating position of described installing plate 3 is provided with Manual gas valve door 9, during test, manual unlocking air valve 9, pressurized air enters described compression cylinder 1 and promotes the portable plate 5 on piston plate 102 and the terminals up and down 7 of described action contact 2 sub-shape conducting end 201 being pressed on tested breaker of plastic casing, after having tested, manual-lock air valve 9, described movable contact 2 unclamps movable contact under the effect of Compress Spring 6.
The large gauge breaker of plastic casing short circuit curve test fixture of said structure, described mounting bracket 4 is set to right-angle triangle, described installing plate 3 is fixed on the hypotenuse of described mounting bracket 4, the bottom right angle limit of described mounting bracket 4 is fixed on the panel of breaker of plastic casing testing table, and the large gauge breaker of plastic casing that this set can be volume is larger, heavier is easily tested by the test fixture manually loaded on described installing plate 3.
The large gauge breaker of plastic casing short circuit curve test fixture of said structure, described action contact 2 is set to upper and lower two groups, often group can arrange corresponding contact number of elements according to the number of poles of tested isolating switch, the action contact number that phase three-wire three breaker of plastic casing is often organized is 3, if three-phase and four-line breaker of plastic casing, then the action contact number often organized is set to 4.
Claims (2)
1. a large gauge breaker of plastic casing short circuit curve test fixture, comprise installing plate, action contact, action contact orienting lug, compression cylinder, Compress Spring, portable plate, mounting bracket and Manual gas valve door, it is characterized in that: the front portion of described action contact is conducting end, be set to 7 fonts, the middle part of described action contact is set to binding post, binding post is fixed with connection terminal, the afterbody of described action contact is set to motion bar, described action contact orienting lug is fixed on described installing plate, the conducting end of described action contact is set in installing plate and action contact orienting lug, the motion bar of described action contact is set in portable plate through portable plate, described Compress Spring is arranged with between motion bar and portable plate, described compression cylinder is vertically fixed on the described installing plate back side, described portable plate is fixed on the piston plate of described compression cylinder, four action guide pillars are vertically installed with through described portable plate in the piston rod surrounding of compression cylinder.
2. large gauge breaker of plastic casing short circuit curve test fixture according to claim 1, it is characterized in that: described mounting bracket is set to right-angle triangle, described installing plate is fixed on the hypotenuse of described mounting bracket, and the bottom right angle limit of described mounting bracket is fixed on the panel of breaker of plastic casing testing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406582.9U CN204028130U (en) | 2014-07-16 | 2014-07-16 | A kind of large gauge breaker of plastic casing short circuit curve test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406582.9U CN204028130U (en) | 2014-07-16 | 2014-07-16 | A kind of large gauge breaker of plastic casing short circuit curve test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204028130U true CN204028130U (en) | 2014-12-17 |
Family
ID=52067972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406582.9U Expired - Fee Related CN204028130U (en) | 2014-07-16 | 2014-07-16 | A kind of large gauge breaker of plastic casing short circuit curve test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204028130U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405412A (en) * | 2016-11-28 | 2017-02-15 | 温州大学 | Breaker feature test loading platform |
| CN107656100A (en) * | 2017-09-21 | 2018-02-02 | 天津市百利电气有限公司 | The anti-heating fixture of relay characteristic testing stand |
| CN107860948A (en) * | 2017-09-21 | 2018-03-30 | 天津市百利电气有限公司 | Overload relay testing stand special fixture |
-
2014
- 2014-07-16 CN CN201420406582.9U patent/CN204028130U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405412A (en) * | 2016-11-28 | 2017-02-15 | 温州大学 | Breaker feature test loading platform |
| CN106405412B (en) * | 2016-11-28 | 2023-09-19 | 温州大学 | Circuit breaker characteristic test loading table |
| CN107656100A (en) * | 2017-09-21 | 2018-02-02 | 天津市百利电气有限公司 | The anti-heating fixture of relay characteristic testing stand |
| CN107860948A (en) * | 2017-09-21 | 2018-03-30 | 天津市百利电气有限公司 | Overload relay testing stand special fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20200716 |