CN108802440A - A kind of transformer test rapid wiring device - Google Patents
A kind of transformer test rapid wiring device Download PDFInfo
- Publication number
- CN108802440A CN108802440A CN201811005237.3A CN201811005237A CN108802440A CN 108802440 A CN108802440 A CN 108802440A CN 201811005237 A CN201811005237 A CN 201811005237A CN 108802440 A CN108802440 A CN 108802440A
- Authority
- CN
- China
- Prior art keywords
- collet
- movable holding
- guide rod
- conductive
- fixed
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a kind of transformer test rapid wiring devices, collet and movable holding collet are embraced including fixed, the holding position of fixed armful of collet and movable holding collet is both provided with elastic telescopic conductive holding block, it is fixed to embrace the horizontal guide rod that rectangular cross-section is provided on the downside of collet, it is actively socketed on the guide bar on the downside of movable holding collet and is internally provided with the flexible driving mechanism of driving guide rod, surface is provided with lock screw, lock screw is resisted against guide rod surface after being threaded through movable holding collet, and elastic telescopic conductive holding block is connected with cable.This practicality newly embraces collet and movable holding collet using the fixation of separate type jaw, it is sliding afocal variable by changing previous jointing clamp to fix bore, it is fixed embrace collet fix on the guide bar, movable holding collet slided on the guide bar, so that conductive holding block is clamped on conductive pile crown to be measured, under the elastic reaction of elastic telescopic conductive holding block, the conductive pile crown of conductive holding block clamping can be allowed more stable, be conductively connected more reliable.
Description
Technical field
The present invention relates to a kind of transformer test rapid wiring devices, belong to jointing clamp technical field.
Background technology
With the continuous growth of supply load, transformer manufacture craft is constantly progressive, and better electric power is defeated in order to obtain
Ability, transformer conducting bar diameter is sent to become increasing.To meet the safe and stable operation of transformer, checking experiment personnel need
The multinomial inspections such as winding D.C. resistance, test on bushing, short-circuit impedance, tap switch transition resistance, winding deformation are carried out to transformer
Survey experiment work, but mating test jointing clamp there are pattern disunity, jaw size fix the problems such as, cannot be satisfied existing
The requirement of testing ground.
The jaw position overall structure of fixed bore jointing clamp is metal material, and jaw and voltage, current connection position are exhausted
Edge layer is easily destroyed during being used for a long time, and causes voltage and current test wiring to be connected by jaw metal material, test process
In a low resistance shunt circuit can be generated on main channel, influence the accuracy of detection of every experiment.
Invention content
The technical problem to be solved by the present invention is to：A kind of transformer test rapid wiring device is provided, to solve existing skill
The problem of art.
The technical solution that the present invention takes is：A kind of transformer test rapid wiring device, including fixed armful of collet and work
Dynamic to embrace collet, the holding position for fixing armful collet and movable holding collet is both provided with elastic telescopic conductive holding block, fixed to embrace collet
Downside is provided with the horizontal guide rod of rectangular cross-section, is actively socketed on the guide bar on the downside of movable holding collet and inside is set
It is equipped with the flexible driving mechanism of driving guide rod, surface is provided with lock screw, after lock screw is threaded through movable holding collet
It is resisted against guide rod surface, elastic telescopic conductive holding block is connected with cable.
Preferably, above-mentioned elastic telescopic conductive holding block includes conducting block and the telescopic rod that is fixedly connected on the inside of conducting block
Outer end, conducting block is actively embedded into the fixed embedding groove embraced on collet or movable holding collet, and the inner end of telescopic rod is fixed
It is connected on embedding groove.
Preferably, above-mentioned telescopic rod uses more, including mutually nested interior bar and outer tube, interior bar inner end are connected by spring
It is connected to outer tube inside bottom.
Preferably, above-mentioned driving mechanism includes rack and pinion, and rack is fixedly connected on guide rod bottom side, is mutually nibbled with rack
The gear of conjunction is rotatably connected to by shaft on movable holding collet, and shaft one end is connected with rotation after stretching out movable holding collet
Handle, movable holding collet connect the notch being provided on the downside of the through-hole at guide rod at connection gear.
Beneficial effects of the present invention：Compared with prior art, this practicality newly using separate type jaw fixation embrace collet and
Movable holding collet is sliding afocal variable by changing previous jointing clamp to fix bore, it is fixed embrace collet fix on the guide bar,
Movable holding collet is slided on the guide bar so that conductive holding block is clamped on conductive pile crown to be measured, is led in elastic telescopic
Under the elastic reaction of electric grip block, the conductive pile crown of conductive holding block clamping can be allowed more stable, be conductively connected more reliable, the present invention
Also have the characteristics that simple in structure, at low cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the rack-and-pinion junction schematic cross-section of the present invention；
Fig. 3 is the portions A enlarged structure schematic diagram in Fig. 1.
Specific implementation mode
Below in conjunction with the accompanying drawings and the present invention is described further in specific embodiment.
Embodiment：As shown in Figure 1-Figure 3, a kind of transformer test rapid wiring device, including fixed armful of collet 1 and activity
Collet 2 is embraced, the holding position for fixing armful collet 1 and movable holding collet 2 is both provided with elastic telescopic conductive holding block 3, fixed to embrace folder
First 1 downside is provided with the horizontal guide rod 4 of rectangular cross-section, 2 downside of movable holding collet be actively socketed on guide rod 4 and
It is internally provided with the flexible driving mechanism of driving guide rod 4, surface is provided with lock screw 5, and lock screw 5 is threaded through activity
It is resisted against 4 surface of guide rod after embracing collet 2, elastic telescopic conductive holding block 3 is connected with cable 6.
Elastic telescopic conductive holding block 3 is using copper crocodile jaw as the contact site with test item, fixed armful of collet 1
With movable holding collet 2 use reinforced ABS insulating materials, voltage, testing current cable 6 be wrapped in reinforced ABS insulation materials
In material, integrated testability wiring insulation sheath ensures before main TCH test channel to be not in contact point without stress point, be not in because
Detection error caused by insulation breakdown, and fastened by flexible conductive holding block, lock screw, preferably it is suitable for transformation
Device items test job.
Preferably, above-mentioned elastic telescopic conductive holding block 3 includes conducting block 301 and is fixedly connected on the inside of conduction 301
The outer end of telescopic rod 302, conducting block 301 are actively embedded into the fixed embedding groove 303 embraced on collet 1 or movable holding collet 2,
The inner end of telescopic rod 302 is fixedly connected on embedding groove 303, is telescopically connected reliably, and the clamping face of conducting block 301 is arcuate serrated
303 end set of embedding groove of structure, corresponding arcuate serrated structure is arcuate structure, the conductive stake of effective contact measured equipment
Head.
Preferably, above-mentioned telescopic rod 302 uses more, including mutually nested interior bar and outer tube, interior bar inner end pass through bullet
Spring is connected to outer tube inside bottom, and more telescopic rods, retractable support is reliable, clamping stability higher.
Preferably, above-mentioned driving mechanism includes rack 7 and gear 8, and rack 7 is fixedly connected on 4 bottom side of guide rod, with rack
7 gears 8 being meshed are rotatably connected to by shaft 9 on movable holding collet 2, after movable holding collet 2 is stretched out in 9 one end of shaft
It is connected with rotating handle 10, movable holding collet 2 connects 11 downside of through-hole at guide rod 4 and is provided with U-shaped breach 12, using gear
Rack drives mechanism, it is easy to operate.
Use principle：By the fixed conductive pile crown embraced collet 1 and 2 face of movable holding collet needs and connected, rotating handle 10
Movable holding collet 2 is moved by rack-and-pinion, locked using lock-screw to hold conductive pile crown tightly, elastic telescopic is conductive
Under the action of the spring, stretching, clamping is more stable, and conductive contact is more reliable for grip block.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.
Claims (4)
1. a kind of transformer test rapid wiring device, it is characterised in that：Collet is embraced including fixed（1）With movable holding collet（2）,
It is fixed to embrace collet（1）With movable holding collet（2）Holding position be both provided with elastic telescopic conductive holding block（3）, fixed to embrace collet
（1）Downside is provided with the horizontal guide rod of rectangular cross-section（4）, movable holding collet（2）Downside is actively socketed in guide rod
（4）Above and it is internally provided with driving guide rod（4）Flexible driving mechanism, surface are provided with lock screw（5）, lock screw
（5）It is threaded through movable holding collet（2）After be resisted against guide rod（4）Surface, elastic telescopic conductive holding block（3）It is connected with cable
（6）.
2. a kind of transformer test rapid wiring device according to claim 1, it is characterised in that：Elastic telescopic conductive clip
Hold block（3）Including conducting block（301）Be fixedly connected on conducting block（301）The telescopic rod of inside（302）Outer end, conducting block
（301）Actively it is embedded into fixed armful of collet（1）Or movable holding collet（2）On embedding groove（303）It is interior, telescopic rod（302）'s
Inner end is fixedly connected on embedding groove（303）On.
3. a kind of transformer test rapid wiring device according to claim 2, it is characterised in that：Telescopic rod（302）It adopts
With more, including mutually nested interior bar and outer tube, interior bar inner end are connected to outer tube inside bottom by spring.
4. a kind of transformer test rapid wiring device according to claim 1, it is characterised in that：Driving mechanism includes tooth
Item（7）And gear（8）, rack（7）It is fixedly connected on guide rod（4）Bottom side, with rack（7）The gear being meshed（8）By turning
Axis（9）It is rotatably connected to movable holding collet（2）On, shaft（9）Movable holding collet is stretched out in one end（2）After be connected with rotation hand
Handle（10）, movable holding collet（2）Connect guide rod（4）The through-hole at place（11）Downside is provided with connection gear（8）The notch at place
（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005237.3A CN108802440A (en) | 2018-08-30 | 2018-08-30 | A kind of transformer test rapid wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005237.3A CN108802440A (en) | 2018-08-30 | 2018-08-30 | A kind of transformer test rapid wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108802440A true CN108802440A (en) | 2018-11-13 |
Family
ID=64081269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811005237.3A Pending CN108802440A (en) | 2018-08-30 | 2018-08-30 | A kind of transformer test rapid wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108802440A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346451A (en) * | 2013-06-29 | 2013-10-09 | 国家电网公司 | 220kV transformer test short-circuit wire connector |
| KR101483066B1 (en) * | 2013-07-23 | 2015-01-16 | (주) 모노인더스트리 | Zero Load Tap For 30 kv Superconducting Transformer |
| CN105954545A (en) * | 2016-05-30 | 2016-09-21 | 国网河北省电力公司电力科学研究院 | Transformer dielectric loss test wiring device |
| CN106229880A (en) * | 2016-07-13 | 2016-12-14 | 国家电网公司 | A kind of ratchet-type insulating blanked clamper line tweezer |
| CN207424184U (en) * | 2017-11-30 | 2018-05-29 | 国网浙江省电力公司检修分公司 | A kind of telescopic flash test device |
| CN108152691A (en) * | 2017-12-29 | 2018-06-12 | 国网河北省电力有限公司衡水供电分公司 | A kind of transformer test fast-wiring pincers |
| CN208752111U (en) * | 2018-08-30 | 2019-04-16 | 贵州电网有限责任公司 | A kind of transformer test fast-wiring pincers |
-
2018
- 2018-08-30 CN CN201811005237.3A patent/CN108802440A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346451A (en) * | 2013-06-29 | 2013-10-09 | 国家电网公司 | 220kV transformer test short-circuit wire connector |
| KR101483066B1 (en) * | 2013-07-23 | 2015-01-16 | (주) 모노인더스트리 | Zero Load Tap For 30 kv Superconducting Transformer |
| CN105954545A (en) * | 2016-05-30 | 2016-09-21 | 国网河北省电力公司电力科学研究院 | Transformer dielectric loss test wiring device |
| CN106229880A (en) * | 2016-07-13 | 2016-12-14 | 国家电网公司 | A kind of ratchet-type insulating blanked clamper line tweezer |
| CN207424184U (en) * | 2017-11-30 | 2018-05-29 | 国网浙江省电力公司检修分公司 | A kind of telescopic flash test device |
| CN108152691A (en) * | 2017-12-29 | 2018-06-12 | 国网河北省电力有限公司衡水供电分公司 | A kind of transformer test fast-wiring pincers |
| CN208752111U (en) * | 2018-08-30 | 2019-04-16 | 贵州电网有限责任公司 | A kind of transformer test fast-wiring pincers |
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