CN203965482U - A kind of breaker of plastic casing test fixture - Google Patents
A kind of breaker of plastic casing test fixture Download PDFInfo
- Publication number
- CN203965482U CN203965482U CN201420406585.2U CN201420406585U CN203965482U CN 203965482 U CN203965482 U CN 203965482U CN 201420406585 U CN201420406585 U CN 201420406585U CN 203965482 U CN203965482 U CN 203965482U
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- CN
- China
- Prior art keywords
- moving contact
- afterbody
- static contact
- contact
- motion bar
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- Expired - Fee Related
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Abstract
A kind of breaker of plastic casing test fixture, it is characterized in that: the front portion of static contact is conducting end, be set to 7 fonts, middle part is provided with connection terminal, afterbody is set to motion bar, described moving contact front portion is conducting end, afterbody is provided with wiring screw, middle part is hinged with two movable rods and a hinge being hinged on moving contact action axle, described moving contact action axle afterbody is set to motion bar, the compression cylinder of test fixture is vertically fixed on the back side, installing plate middle part, on the piston plate of compression cylinder, be provided with portable plate, described moving contact, the motion bar of static contact afterbody is set in portable plate through portable plate and Compress Spring, this breaker of plastic casing test fixture is due at moving contact, on static contact, being provided with special wiring terminal fixes the conductive strips of isolating switch checking table and introduces test current, greatly reduce the contact resistance of leading-in end, test fixture only arranges a cylinder and completes clamp pressing and two actions of opening simultaneously, make the structure of fixture become simple, working stability is reliable, failure rate is lower.
Description
Technical field
The utility model relates to a kind of breaker of plastic casing test fixture.
Background technology
Isolating switch is a kind of conventional protective device, in for electric line, play the effect of overload and short-circuit protection, in order to ensure the product quality of isolating switch, when dispatching from the factory, isolating switch must carry out detection check to the dropout feature of isolating switch with checking table, fixture is the vitals of isolating switch checking table, be directly connected to the detection quality of isolating switch and the serviceable life of checking table, bolt in traditional breaker of plastic casing checking table test current general using contact rear link is fixed conductive strips and is introduced, cause the contact resistance of its leading-in end compared with becoming greatly the weak link by test current, utilize one to open cylinder simultaneously, a compression cylinder is to complete the compression to tested isolating switch and to open, make the structure of test fixture become complicated, cause the failure rate of breaker of plastic casing fixture higher.
Summary of the invention
The purpose of this utility model is to overcome existing breaker of plastic casing clamp structure complexity, defect that failure rate is higher, and a kind of simple in structure, stable performance, breaker of plastic casing test fixture that failure rate is lower are provided.
The technical solution adopted in the utility model is: a kind of circuit-breaker testing fixture, comprise installing plate, static contact, static contact mounting blocks, movable contact system, compression cylinder, portable plate and Compress Spring, it is characterized in that: described static contact is anterior is conducting end, be set to 7 fonts, middle part is set to binding post, on binding post, be fixed with connection terminal, the test current of breaker of plastic casing checking table is drawn by the conductive strips of this connection terminal fixation test platform, the afterbody of described static contact is set to motion bar, described static contact mounting blocks is fastened on front, installing plate bottom, described static contact is set in installing plate and static contact mounting blocks through installing plate and static contact mounting blocks, described movable contact system comprises moving contact, two movable rods and connecting rod fixed block, described moving contact front portion is conducting end, afterbody is provided with wiring screw, the test current of breaker of plastic casing checking table is introduced by the conductive strips of this wiring screw fixation test platform, the middle part of described moving contact is hinged with two movable rods, the other end of described movable rod is hinged in connecting rod fixed block, and connecting rod fixed block is fastened on the top front face of described installing plate, described moving contact conducting end front portion is provided with hinge, the other end of hinge is hinged with moving contact action axle, described moving contact action axle afterbody is set to motion bar, moving contact action axle is set in action axle mounting blocks through described installing plate, and action axle mounting blocks is fixed on the top rear face of described installing plate, described compression cylinder is vertically fixed on the back side, installing plate middle part, described portable plate is fixed on the piston plate of compression cylinder, the afterbody motion bar of described moving contact action axle, the afterbody motion bar of static contact is set in portable plate through described portable plate, between the afterbody motion bar and portable plate of described moving contact action axle, between the motion bar of described static contact afterbody and portable plate, be all arranged with Compress Spring.
In the breaker of plastic casing fixture of said structure, described static contact, moving contact can be set to 2 pairs, 3 pairs or 4 pairs as required, use to be applicable to multi-pole molded case circuit breaker test.
The breaker of plastic casing fixture of above structure is work like this: after described compression cylinder is brought about the desired sensation, its piston rod promotes after described portable plate is overcoming Compress Spring resistance sheathed on static contact afterbody motion bar 7 font static contacts to compress on the outlet terminal of tested breaker of plastic casing, and described moving contact by described portable plate overcome after Compress Spring resistance sheathed on moving contact action axle afterbody motion bar by moving contact move shaft end hinge and by described moving contact tension and compression on the input terminal of tested breaker of plastic casing, when compression cylinder described after the off-test of tested breaker of plastic casing is lost gas, static contact described under the promotion of Compress Spring unclamps, simultaneously described moving contact its action axle under the promotion of Compress Spring drive moving contact to unclamp and on move, so that tested breaker of plastic casing can easily clamp or take out.
The beneficial effect of above structure breaker of plastic casing test fixture is: because the test current of breaker of plastic casing checking table is that special wiring terminal by being arranged on moving contact, static contact is fixed the conductive strips of checking table to introduce, greatly reduce the contact resistance of test current leading-in end, breaker of plastic casing test fixture only arranges a cylinder and completes the compression of test fixture and unclamp two actions simultaneously, breaker of plastic casing test fixture structure is become simply, and working stability is reliable.
Brief description of the drawings
Fig. 1 is the Facad structure figure of a kind of breaker of plastic casing test fixture of the utility model.
Fig. 2 is the structure figure of Fig. 1.
Embodiment
In conjunction with Fig. 1, Fig. 2, by specific embodiment, this is suitable for to novel being described further.A kind of breaker of plastic casing test fixture, comprise installing plate 3, static contact 1, static contact mounting blocks 101, movable contact system, compression cylinder 7, portable plate 6 and Compress Spring 5, described static contact 1 front portion is conducting end, be set to 7 fonts, middle part is set to binding post 102, on binding post 102, be fixed with connection terminal 103, the test current of breaker of plastic casing checking table is drawn by the conductive strips of described connection terminal 103 built-in check platforms, the afterbody of described static contact 1 is set to motion bar 104, described static contact mounting blocks 101 is fastened on the front, bottom of installing plate 3, described static contact 1 is set in installing plate 3 and static contact mounting blocks 101 through installing plate 3 and static contact mounting blocks 101, described movable contact system comprises moving contact 2, the two pairs of movable rods 202 and connecting rod fixed block 4, described moving contact 2 front portions are conducting end, afterbody is provided with wiring screw 201, the test current of breaker of plastic casing checking table is introduced by the conductive strips of wiring screw 201 fixation test platforms, the hinged two pairs of described movable rods 202 in middle part of described moving contact 2, the other end of described movable rod 202 is hinged on connecting rod fixed block 4, and connecting rod fixed block 4 is fastened on the top front face of described installing plate 3, described moving contact 2 conducting end front portions are also provided with a pair of hinge 203, the other end of hinge 203 is hinged with moving contact action axle 205, the afterbody of described moving contact action axle 205 is set to motion bar 206, moving contact action axle 205 is set in action axle mounting blocks 204 through described installing plate 3, and action axle mounting blocks 204 is fixed on the top rear face of described installing plate 3, described compression cylinder 7 is vertically fixed on the back side, middle part of installing plate 3, described portable plate 6 is fixed on the piston plate 701 of compression cylinder 7, the described moving contact action afterbody motion bar 206 of axle and the afterbody motion bar of static contact 104 are set in portable plate 6 through portable plate 6, at the afterbody motion bar 206 of described action axle, between the motion bar 104 of described static contact afterbody and portable plate 6, be all arranged with Compress Spring 5.
In the breaker of plastic casing test fixture of said structure, the static contact 1 of the present embodiment, moving contact 2 are set to 4 pairs, use to be applicable to 4 utmost point breaker of plastic casing tests, also can be set to 2 pairs or 3 pairs simultaneously, use with the breaker of plastic casing test that is applicable to 2 utmost points or 3 utmost points.
Claims (1)
1. a breaker of plastic casing test fixture, comprise installing plate, static contact, static contact mounting blocks, movable contact system, compression cylinder, portable plate and Compress Spring, it is characterized in that: described static contact is anterior is conducting end, be set to 7 fonts, middle part is set to binding post, on binding post, be fixed with connection terminal, afterbody is set to motion bar, described static contact mounting blocks is fastened on front, described installing plate bottom, described static contact is set in installing plate and static contact mounting blocks through installing plate and static contact mounting blocks, described movable contact system comprises moving contact, two movable rods and connecting rod fixed block, described moving contact front portion is conducting end, afterbody is provided with wiring screw, middle part is hinged with two described movable rods, the other end of described movable rod is hinged in connecting rod fixed block, and connecting rod fixed block is fastened on the top front face of described installing plate, described moving contact conducting end front portion is provided with hinge, the other end of hinge is hinged with moving contact action axle, described moving contact action axle afterbody is set to motion bar, moving contact action axle is set in action axle mounting blocks through described installing plate, and action axle mounting blocks is fixed on the top rear face of described installing plate, described compression cylinder is vertically fixed on the back side, middle part of installing plate, described portable plate is fixed on the piston plate of compression cylinder, described moving contact, the afterbody motion bar of static contact is set in portable plate through portable plate, between the motion bar and portable plate of described moving contact action axle afterbody, between the motion bar of described static contact afterbody and portable plate, be all arranged with Compress Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406585.2U CN203965482U (en) | 2014-07-16 | 2014-07-16 | A kind of breaker of plastic casing test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406585.2U CN203965482U (en) | 2014-07-16 | 2014-07-16 | A kind of breaker of plastic casing test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965482U true CN203965482U (en) | 2014-11-26 |
Family
ID=51926046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406585.2U Expired - Fee Related CN203965482U (en) | 2014-07-16 | 2014-07-16 | A kind of breaker of plastic casing test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542850A (en) * | 2019-08-26 | 2019-12-06 | 南平德赛技术装备有限公司 | Turntable type automatic detection system for 24KV circuit breaker |
| CN113267654A (en) * | 2021-07-21 | 2021-08-17 | 广东电网有限责任公司佛山供电局 | Electrical test fixture for high-voltage circuit breaker |
-
2014
- 2014-07-16 CN CN201420406585.2U patent/CN203965482U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542850A (en) * | 2019-08-26 | 2019-12-06 | 南平德赛技术装备有限公司 | Turntable type automatic detection system for 24KV circuit breaker |
| CN110542850B (en) * | 2019-08-26 | 2021-10-12 | 南平德赛技术装备有限公司 | Turntable type automatic detection system for 24KV circuit breaker |
| CN113267654A (en) * | 2021-07-21 | 2021-08-17 | 广东电网有限责任公司佛山供电局 | Electrical test fixture for high-voltage circuit breaker |
| CN113267654B (en) * | 2021-07-21 | 2021-09-24 | 广东电网有限责任公司佛山供电局 | Electrical test fixture for high-voltage circuit breaker |
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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 |
Granted publication date: 20141126 Termination date: 20200716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |