CN205229200U - Special experimental fastener of circuit breaker plum blossom contact - Google Patents
Special experimental fastener of circuit breaker plum blossom contact Download PDFInfo
- Publication number
- CN205229200U CN205229200U CN201521020973.8U CN201521020973U CN205229200U CN 205229200 U CN205229200 U CN 205229200U CN 201521020973 U CN201521020973 U CN 201521020973U CN 205229200 U CN205229200 U CN 205229200U
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- China
- Prior art keywords
- tong arm
- connecting portion
- clamping part
- arc connecting
- arm
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Links
- 238000009413 insulation Methods 0.000 claims description 4
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a special experimental fastener of circuit breaker plum blossom contact, tong arm include through articulated last tong arm together of first round pin axial cross and lower tong arm, go up tong arm and insulating each other between the tong arm down to the structure is the same, it includes clamping part, arc connecting portion and the portion of gripping in proper order to go up the tong arm, upward the tong arm clamping part is kept away from arc connecting portion one end and is connected with down the binding clip, the tong arm clamping part is kept away from arc connecting portion one end and is connected with the binding clip down, it is the same with lower binding clip structure to go up the binding clip, go up the tong arm and pass through the spring coil connection with the arc connecting portion that lower tong arm corresponds, be provided with the second pinhole on going up the tong arm clamping part, lower tong arm corresponds the position and is provided with first pinhole, going up the binding clip and being the cuboid structure, the lateral surface sets up to convex for cooperation plum blossom contact internal surface, the utility model discloses an expand the formula outward, with plum blossom contact inner wall in close contact with, the test result is accurate.
Description
Technical field
The utility model relates to isolating switch electrical test field, is specifically related to a kind of isolating switch Mume flower contact Special test wire clamp.
Background technology
At present for the testing wire clamp of breaker loop resistor test, because the structure comparison of Mume flower contact is special, testing wire clamp jaws is too small, and be clipped in Mume flower contact outside, with Mume flower contact metallic member not easily close contact, institute's survey time road resistance value can be caused bigger than normal, therefore need break-in repeatedly; If when being clipped in Mume flower contact side, on the one hand may damage spring because of nip pressure, voltage and current signal adds and is pressed on metallic steel silk spring on the other hand, electric conductivity the conducting electricity very well not as copper of wire spring, may cause measuring producing error; If increase the jaw of wire clamp, make it clamp the periphery of whole Mume flower contact, so greatly will certainly increase the physical dimension of wire clamp, be not easy to storage like this and carry.
Utility model content
The utility model provides one to extend out formula isolating switch Mume flower contact Special test wire clamp.
The technical solution adopted in the utility model is: a kind of isolating switch Mume flower contact Special test wire clamp, and tong arm comprises by the first bearing pin cross-articulation upper tong arm together and lower tong arm; Mutually insulated between upper tong arm and lower tong arm, and structure is identical; Upper tong arm comprises clamping part, arc connecting portion and grip part successively; Upper tong arm clamping part is connected with lower pliers head away from arc connecting portion one end; Lower tong arm clamping part is connected with upper grip head away from arc connecting portion one end; Upper grip head is identical with lower pliers head structure; The arc connecting portion that upper tong arm is corresponding with lower tong arm is connected by turn; Upper tong arm clamping part is provided with the second pin-and-hole, and lower tong arm correspondence position is provided with the first pin-and-hole; Upper grip head is rectangular structure, and lateral surface is set to circular arc, for coordinating Mume flower contact inside surface.
Further, described upper grip head outer surface is provided with jagged pincers tooth.
Further, end, described upper tong arm grip part has straight-arm to link up with by the second pinned connection, and end, lower tong arm grip part is provided with links up with straight-arm the draw-in groove matched.
Further, described upper tong arm outside surface is provided with insulation course.
Further, described upper grip head and lower pliers head opposite face length and width are 30mm, and thick is 15mm, and lateral surface arc central angle is 100 °.
The beneficial effects of the utility model are:
(1) the utility model is the wire clamp extending out formula, by wire clamp expansion with Mume flower contact contact internal walls, can with Mume flower contact inwall close contact, test result is accurate;
(2) the utility model adopts outer arcuate sawtooth binding clip, increases the conductive area with Mume flower contact;
(3) the utility model two tong arm introduces pressure-wire and current line respectively, be easy to test;
(4) the utility model tong arm is provided with hook, is convenient to carry out carrying and receiving.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is binding clip schematic diagram in the utility model.
Fig. 3 is upper grip head vertical view in the utility model.
In figure: 1-1-upper grip head, 1-2-lower pliers head, the upper tong arm of 2-1-, tong arm under 2-2-, 3-turn, 4-first bearing pin, 5-1-first pin-and-hole, 5-2-second pin-and-hole, 6-second bearing pin, 7-straight-arm is linked up with.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Figure 1-3, a kind of isolating switch Mume flower contact Special test wire clamp, tong arm comprises by the first bearing pin 4 cross-articulation upper tong arm 2-1 together and lower tong arm 2-2; Mutually insulated between upper tong arm 2-1 and lower tong arm 2-2, and structure is identical; Upper tong arm 2 comprises clamping part, arc connecting portion and grip part successively; Upper tong arm 2-1 clamping part is connected with lower pliers head 1-2 away from arc connecting portion one end; Lower tong arm 2-2 clamping part is connected with upper grip head 1-1 away from arc connecting portion one end; Upper grip head 1-1 is identical with lower pliers head 1-2 structure; The arc connecting portion that upper tong arm 2-1 is corresponding with lower tong arm 2-2 is connected by turn 3; Upper tong arm 2-1 clamping part is provided with the second pin-and-hole 5-2, and lower tong arm 2-3 correspondence position is provided with the first pin-and-hole 5-1; Upper grip head 1-1 is rectangular structure, and lateral surface is set to circular arc, for coordinating Mume flower contact inside surface; Pin-and-hole on tong arm is respectively used to introduce current line and pressure-wire.
Further, described upper grip head 1-1 outer surface is provided with jagged pincers tooth; The contact area that zigzag striped can increase binding clip and Mume flower contact inwall is set, increases its electric conductivity, thus improve test accuracy.
Further, end, described upper tong arm 2-1 grip part is connected with straight-arm hook 7 by the second bearing pin 6, and end, lower tong arm 2-2 grip part is provided with links up with 7 draw-in grooves matched with straight-arm; In not used time, straight-arm can be linked up with 7 and engage with draw-in groove, be convenient to carrying and receiving of testing wire clamp.
Further, described upper tong arm 2-1 outside surface is provided with insulation course; The security that insulation course can increase operating personnel is set.
Further, described upper grip head 1-1 and lower pliers head opposite face length and width are 30mm, and thick is 15mm, and lateral surface arc central angle is 100 °; This size of testing wire clamp is aimed at designed by general 10kV Mume flower contact, if can adjust accordingly its size for the Mume flower contact of other models.
During use, testing wire clamp binding clip is goed deep into Mume flower contact annular solid inner, the tension force by means of turn 3 makes wire clamp and conducting rod close contact, increases contact area, makes test findings more accurate, avoids the inconvenience that conventional wire clamp brings; The not used time, straight-arm hook 7 is engaged with draw-in groove, is convenient to carrying and receiving of testing wire clamp.
The utility model, by changing the tong head of wire clamp, enables wire clamp and Mume flower contact tight connecting, thus improves test mass.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an isolating switch Mume flower contact Special test wire clamp, is characterized in that: tong arm comprises by the first bearing pin (4) cross-articulation upper tong arm (2-1) together and lower tong arm (2-2); Mutually insulated between upper tong arm (2-1) and lower tong arm (2-2), and structure is identical; Upper tong arm (2) comprises clamping part, arc connecting portion and grip part successively; Upper tong arm (2-1) clamping part is connected with lower pliers head (1-2) away from arc connecting portion one end; Lower tong arm (2-2) clamping part is connected with upper grip head (1-1) away from arc connecting portion one end; Upper grip head (1-1) is identical with lower pliers head (1-2) structure; The arc connecting portion that upper tong arm (2-1) is corresponding with lower tong arm (2-2) is connected by turn (3); Upper tong arm (2-1) clamping part is provided with the second pin-and-hole (5-2), lower tong arm (2-3) correspondence position is provided with the first pin-and-hole (5-1); Upper grip head (1-1) is rectangular structure, and lateral surface is set to circular arc, for coordinating Mume flower contact inside surface.
2. a kind of isolating switch Mume flower contact Special test wire clamp according to claim 1, is characterized in that: described upper grip head (1-1) outer surface is provided with jagged pincers tooth.
3. a kind of isolating switch Mume flower contact Special test wire clamp according to claim 1, it is characterized in that: described upper tong arm (2-1) end, grip part is connected with straight-arm hook (7) by the second bearing pin (6), and lower tong arm (2-2) end, grip part is provided with the draw-in groove linked up with straight-arm and (7) match.
4. a kind of isolating switch Mume flower contact Special test wire clamp according to claim 1, is characterized in that: described upper tong arm (2-1) outside surface is provided with insulation course.
5. a kind of isolating switch Mume flower contact Special test wire clamp according to claim 1, is characterized in that: described upper grip head (1-1) and lower pliers head opposite face length and width are 30mm, and thick is 15mm, and lateral surface arc central angle is 100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020973.8U CN205229200U (en) | 2015-12-10 | 2015-12-10 | Special experimental fastener of circuit breaker plum blossom contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020973.8U CN205229200U (en) | 2015-12-10 | 2015-12-10 | Special experimental fastener of circuit breaker plum blossom contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229200U true CN205229200U (en) | 2016-05-11 |
Family
ID=55904257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020973.8U Active CN205229200U (en) | 2015-12-10 | 2015-12-10 | Special experimental fastener of circuit breaker plum blossom contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205229200U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334359A (en) * | 2015-12-10 | 2016-02-17 | 国网四川省电力公司成都供电公司 | Special-purpose test wire clip for circuit breaker tulip contact |
| CN107656105A (en) * | 2017-10-30 | 2018-02-02 | 广州供电局有限公司 | Connection plug and circuit resistance tester |
| CN108226580A (en) * | 2018-01-25 | 2018-06-29 | 国家电网公司 | Circuit-breaker testing wire clamp |
| CN109444486A (en) * | 2019-01-08 | 2019-03-08 | 国网山东省电力公司泰安供电公司 | Testing clamp and central cabinet circuit breaker loop resistance test device |
| CN109462116A (en) * | 2018-11-19 | 2019-03-12 | 国网四川省电力公司成都供电公司 | Promote the one-time detection wiring construction of calibrating efficiency |
| CN114172061A (en) * | 2021-12-07 | 2022-03-11 | 杭州伽伐尼电气有限公司 | Contact detection clamping device of vacuum circuit breaker |
-
2015
- 2015-12-10 CN CN201521020973.8U patent/CN205229200U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334359A (en) * | 2015-12-10 | 2016-02-17 | 国网四川省电力公司成都供电公司 | Special-purpose test wire clip for circuit breaker tulip contact |
| CN107656105A (en) * | 2017-10-30 | 2018-02-02 | 广州供电局有限公司 | Connection plug and circuit resistance tester |
| CN108226580A (en) * | 2018-01-25 | 2018-06-29 | 国家电网公司 | Circuit-breaker testing wire clamp |
| CN109462116A (en) * | 2018-11-19 | 2019-03-12 | 国网四川省电力公司成都供电公司 | Promote the one-time detection wiring construction of calibrating efficiency |
| CN109444486A (en) * | 2019-01-08 | 2019-03-08 | 国网山东省电力公司泰安供电公司 | Testing clamp and central cabinet circuit breaker loop resistance test device |
| CN109444486B (en) * | 2019-01-08 | 2024-05-24 | 国网山东省电力公司泰安供电公司 | Test clamp and circuit breaker loop resistance test device of centrally installed switchgear |
| CN114172061A (en) * | 2021-12-07 | 2022-03-11 | 杭州伽伐尼电气有限公司 | Contact detection clamping device of vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |