CN107576825A - A kind of reducing direct current, loop resistance test clip - Google Patents
A kind of reducing direct current, loop resistance test clip Download PDFInfo
- Publication number
- CN107576825A CN107576825A CN201710718668.3A CN201710718668A CN107576825A CN 107576825 A CN107576825 A CN 107576825A CN 201710718668 A CN201710718668 A CN 201710718668A CN 107576825 A CN107576825 A CN 107576825A
- Authority
- CN
- China
- Prior art keywords
- handle
- main
- jaw seat
- jaw
- auxiliary
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 239000011148 porous material Substances 0.000 claims description 15
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- 210000005069 ears Anatomy 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of reducing direct current, loop resistance test clip, including main handle and auxiliary-handle, the middle front part of main handle and auxiliary-handle is recessed projection to side, main handle connects with the fixing nut that projects through of auxiliary-handle, main handle front end is fixedly connected with main jaw seat, auxiliary-handle front end is fixedly connected with secondary jaw seat, compression spring is provided between main handle and auxiliary-handle projection rear end, jaw is formed between main jaw seat and secondary jaw seat, the front end of main jaw seat is rotatably connected to main extension jaw seat, the front end of secondary jaw seat is rotatably connected to secondary extension jaw seat, main extension jaw seat and secondary formation extension jaw between extending jaw seat, p-wire connecting hole is provided with main jaw seat and/or main extension jaw seat, secondary jaw seat and/or secondary extend on jaw seat are provided with p-wire connecting hole；The test clip jaws is foldable structure, and jaw opening diameter is doubled and redoubled after expansion.
Description
Technical field
The present invention relates to resistance test field, more particularly to a kind of reducing direct current, loop resistance test clip.
Background technology
In power industry, the loop resistance (breaker and disconnecting switch) of equipment, D.C. resistance test (transformer, mutually
Sensor etc.) it is a very important preventive trial project, its mode of connection is the drainage that test clip clamps directly to vacuum bubbles
End or transformer drainage end, if but equipment drainage end diameter it is excessive exceeded test clip maximum open when, test clip can not
The drainage end of equipment is clamped directly to, clamping connection can only be carried out by the way of transition, for example drainage end periphery is clamped with test clip
Connecting bolt, measured by the way of fixed rebound, be that milliohm level, loop resistance are micro-ohm levels due to measuring straight resistance,
Above two mode can bring very big error because transition resistance (bolt or rebound) be present.
The content of the invention
In view of this, it is an object of the invention to provide a kind of reducing direct current, loop resistance test clip, jaws to tie to fold
Structure, jaw opening diameter is doubled and redoubled after expansion.
The purpose of the present invention is achieved through the following technical solutions：
A kind of reducing direct current, loop resistance test clip, including main handle and auxiliary-handle, in the main handle and auxiliary-handle
Front portion is recessed projection to side, and the main handle connects with the fixing nut that projects through of auxiliary-handle, before the main handle
End is fixedly connected with main jaw seat, and auxiliary-handle front end is fixedly connected with secondary jaw seat, the main handle and auxiliary-handle projection rear end
Between be provided with compression spring, form jaw between the main jaw seat and secondary jaw seat, the front end rotation connection of the main jaw seat
There is main extension jaw seat, the front end of the secondary jaw seat is rotatably connected to secondary extension jaw seat, the main extension jaw seat and pair
Formation extends jaw between extending jaw seat, and p-wire connecting hole, institute are provided with the main jaw seat and/or main extension jaw seat
State secondary jaw seat and/or secondary extend on jaw seat is provided with p-wire connecting hole.
Further, the main handle rear end is hingedly connected with main extension handle, and the auxiliary-handle rear end is hingedly connected with pair
Extend handle.
Further, the main extension handle is connected by hinge with main handle, and the secondary handle that extends passes through hinge and pair
Handle is connected.
Further, the main handle, be respectively arranged with groove on auxiliary-handle, slidable locking is provided with the groove
The intercommunicating pore being connected is provided with slippery fellow, the main handle and main extension handle, the intercommunicating pore is connected to groove, the pair
Handle and the secondary intercommunicating pore for extending on handle and being provided with and being connected, the intercommunicating pore are connected to groove, set on the locking slippery fellow
The slip purl of intercommunicating pore can be inserted by being equipped with.
Further, the link position and auxiliary-handle and the secondary link position for extending handle of the main handle and main extension handle
Staggered in the longitudinal direction, the main extension handle, secondary extend on handle are respectively arranged with spring base, are set in the spring base
Slidable guide rod is equipped with, the vertical main extension handle of the guide rod, the secondary handle that extends are set, and spring is arranged with the guide rod,
The spring one end is fixed on guide rod top, the other end is fixed on spring base.
Further, the main handle, auxiliary-handle rear end are respectively arranged with magnetite close to high spot, the main extension handle,
Pair extends handle rearmost end and is respectively arranged with magnetite.
Further, the main jaw seat, secondary jaw seat front end top surface both sides are provided with the ears or side handles of a utensil, the main extension jaw
Seat, secondary extend on jaw base rear end end are provided with the rotating shaft that can be inserted between two ears or side handles of a utensil.
Further, the junction front and rear sides of the main jaw seat and main extension jaw seat have been placed equidistant pin-and-hole, institute
State and corresponding pin-and-hole is equidistantly provided with main extension jaw seat, the pin-and-hole of a main main extension jaw seat of jaw steady pin insertion and master
The wherein pin-and-hole connection of jaw seat, the secondary jaw seat have been placed equidistant pin with the secondary junction front and rear sides for extending jaw seat
Hole, secondary extend on jaw seat are equidistantly provided with corresponding pin-and-hole, a secondary secondary pin for extending jaw seat of jaw steady pin insertion
Hole connects with a wherein pin-and-hole for secondary jaw seat.
The beneficial effects of the invention are as follows：
A kind of reducing direct current, the loop resistance test clip of the present invention, jaws is foldable structure, jaw opening diameter after expansion
It is doubled and redoubled, adapts to drain the situation that end diameter differs larger, handle uses foldable structure, when folded equipment drains end mistake
Greatly, by deploying handles, so that staff can be easily accomplished clipping operation, filled on pair extension handle, main extension handle
Spring and guide rod, it is not in handle folded state because folding joint is in same length, and the dislocation of two springs does not contact, when pair is prolonged
After long handle, main extension handle expansion, two springs point-blank, to clamp the terminal of major diameter increase clamping force, this survey
Examination folder is furnished with two pairs of detachable jaws altogether, to facilitate the clamping of different-diameter drainage terminal, after handle expansion, by cunning
Block purl carries out lock ingot, after handle folds, is adsorbed, made compact-sized by embedded magnetite.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can by following specification realizing and
Obtain.
Brief description of the drawings
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
The detailed description of one step, wherein：
Fig. 1 is isometric front view of the present invention；
Fig. 2 is rear isometric view of the present invention；
Fig. 3 is a kind of folded state structural representation of the present invention；
Fig. 4 is another folded state structural representation of the present invention.
1. pair extends handle；2. spring base；3. spring；4. spring guide；5. hinge；6. locking is foxy；7. auxiliary-handle；9.
Compression spring；10. secondary jaw seat；11. jaw steady pin；12. main extension jaw；14. main handle；15. slide purl；16. master
Extend handle；18. fixing nut；19. magnetite；20. main jaw seat；21. pair extends jaw seat.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.It should be appreciated that preferred embodiment
Only for the explanation present invention, the protection domain being not intended to be limiting of the invention.
As Figure 1-4, a kind of reducing direct current, loop resistance test clip, including main handle 14 and auxiliary-handle 7, main handle
14 and the middle front part of auxiliary-handle 7 be recessed projection to side, the fixing nut 18 that projects through of main handle and auxiliary-handle connects,
Main handle, auxiliary-handle can be rotated around projection, and the front end of main handle 14 is fixedly connected with main jaw seat 20, and the front end of auxiliary-handle 7, which is fixed, to be connected
Secondary jaw seat 10 is connected to, compression spring 9 is provided between main handle and auxiliary-handle projection rear end, makes jaw keep clamping shape forever
State, jaw being formed between main jaw seat 20 and secondary jaw seat 10, the front end of main jaw seat 20 is rotatably connected to main extension jaw seat 12,
The front end of secondary jaw seat 10 is rotatably connected to secondary extension jaw seat 21, is formed between main extension jaw seat 12 and secondary extension jaw seat 21
Extend jaw, p-wire connecting hole, secondary jaw seat 10 and/or pair are provided with main jaw seat 20 and/or main extension jaw seat 12
Extend on jaw seat 21 and be provided with p-wire connecting hole, connecting hole electrically connects with jaw, and handle is made up of insulating materials；Jaws is
Foldable structure, jaw opening diameter is doubled and redoubled after expansion, adapts to drain the situation that end diameter differs larger.
The rear end of main handle 14 is hingedly connected with main extension handle 16, and the rear end of auxiliary-handle 7 is hingedly connected with secondary extension handle 1,
When folded equipment drainage end it is excessive, by deploying handles, so that staff can be easily accomplished clipping operation.
Main extension handle 16 is connected by hinge 5 with main handle 14, and pair extends handle 1 and passes through hinge 5 and the phase of auxiliary-handle 7
Even, simple in construction, folding convenient, naturally it is also possible to using other modes connection such as using be hinged axis connection.
Groove is respectively arranged with main handle 14, auxiliary-handle 7, slidable locking slippery fellow 6, main handle are provided with groove
14 are connected to groove, auxiliary-handle 7 and secondary extension handle 1 with the main intercommunicating pore for extending on handle 16 and being provided with and being connected, intercommunicating pore
On be provided with the intercommunicating pore being connected, intercommunicating pore is connected to groove, and the slide lock that can insert intercommunicating pore is provided with locking slippery fellow 6
Pin 15, after handle deploys, locking slippery fellow 6 is moved rearwards, purl 15 is slided and main extension handle is slided into from the hole of main handle 14
In 16, slide purl 15 and slided into from the hole of auxiliary-handle 7 in secondary extension handle 1, main extension handle 16 is prolonged with main handle 14, pair
Long handle 1 keeps same level height with auxiliary-handle 7.
The link position of main handle 14 and main extension handle 16 extends the link position of handle 1 in length with auxiliary-handle 7 and pair
Staggered on degree direction, main extension handle 16, secondary extend on handle 1 are respectively arranged with spring base 2, and being provided with spring base 2 can
The guide rod 4 of slip, the vertical main extension handle 16 of guide rod 4, the secondary handle 1 that extends are set, and spring 3, spring 3 one are arranged with guide rod 4
End is fixed on the top of guide rod 4, the other end is fixed on spring base 2, the and of spring 3 filled on pair extension handle 1, main extension handle 16
Guide rod 4, in handle folded state because folding joint is not in same length, the dislocation of two springs does not contact for it, when pair extends hand
After handle, main extension handle expansion, two springs point-blank, to clamp the terminal of major diameter increase clamping force
Main handle 14, the rear end of auxiliary-handle 7 are respectively arranged with magnetite 19, main extension handle, secondary extension handle close to high spot
Rearmost end is respectively arranged with magnetite, after handle folds, is adsorbed by embedded magnetite, makes the Stability Analysis of Structures of test clip, compact.
Main jaw seat 20, the front end top surface both sides of secondary jaw seat 10 are provided with the ears or side handles of a utensil, and main extension jaw seat 12, secondary extend are clamped
The rotating shaft that can be inserted between two ears or side handles of a utensil is provided with mouth seat 21 rear end end, folding, the expansion of secondary jaw are convenient.
The junction front and rear sides of main jaw seat 20 and main extension jaw 12 have been placed equidistant pin-and-hole, main extension jaw seat
Corresponding pin-and-hole is equidistantly provided with 12, a main jaw steady pin 11 inserts the pin-and-hole and main jaw seat 20 of main extension jaw seat 12
The connection of a wherein pin-and-hole, secondary jaw seat 10 has been placed equidistant pin-and-hole with the secondary junction front and rear sides for extending jaw seat 21, secondary
Extend on jaw seat 21 and be equidistantly provided with corresponding pin-and-hole, a secondary jaw steady pin 11 insert the secondary pin-and-hole for extending jaw seat 21 and
The wherein pin-and-hole connection of secondary jaw seat 10, pair can be extended to jaw seat, main extension jaw seat is fixed on secondary jaw seat, main jaw
On seat.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should cover in the present invention
Right among.
Claims (8)
1. a kind of reducing direct current, loop resistance test clip, it is characterised in that：Including main handle and auxiliary-handle, the main handle and
The middle front part of auxiliary-handle is recessed projection to side, and the main handle connects with the fixing nut that projects through of auxiliary-handle, institute
State main handle front end and be fixedly connected with main jaw seat, auxiliary-handle front end is fixedly connected with secondary jaw seat, the main handle and assistant
Compression spring is provided between handle projection rear end, forms jaw between the main jaw seat and secondary jaw seat, before the main jaw seat
End is rotatably connected to main extension jaw seat, and the front end of the secondary jaw seat is rotatably connected to secondary extension jaw seat, the main extension
Jaw seat and secondary formation extension jaw between extending jaw seat, the main jaw seat and/or main extend on jaw seat are provided with test
Line connecting hole, the secondary jaw seat and/or secondary extend on jaw seat are provided with p-wire connecting hole.
2. a kind of reducing direct current according to claim 1, loop resistance test clip, it is characterised in that：After the main handle
End is hingedly connected with main extension handle, and the auxiliary-handle rear end is hingedly connected with secondary extension handle.
3. a kind of reducing direct current according to claim 2, loop resistance test clip, it is characterised in that：The main extension hand
Handle is connected by hinge with main handle, and the secondary handle that extends is connected by hinge with auxiliary-handle.
4. a kind of reducing direct current according to claim 2, loop resistance test clip, it is characterised in that：The main handle, pair
Groove is respectively arranged with handle, slidable locking slippery fellow, the main handle and main extension handle are provided with the groove
On be provided with the intercommunicating pore being connected, the intercommunicating pore is connected to groove, and the auxiliary-handle and secondary extend on handle are provided with phase
The intercommunicating pore of connection, the intercommunicating pore are connected to groove, the slip purl that can insert intercommunicating pore are provided with the locking slippery fellow.
5. a kind of reducing direct current according to claim 2, loop resistance test clip, it is characterised in that：The main handle with
The main link position for extending handle and auxiliary-handle and the secondary link position for extending handle are staggered in the longitudinal direction, and the master prolongs
Long handle, secondary extend on handle are respectively arranged with spring base, slidable guide rod are provided with the spring base, the guide rod hangs down
Straight main extension handle, the secondary handle that extends are set, and are arranged with spring on the guide rod, the spring one end be fixed on guide rod top,
The other end is fixed on spring base.
6. a kind of reducing direct current according to claim 2, loop resistance test clip, it is characterised in that：The main handle, pair
Handle rear end is respectively arranged with magnetite close to high spot, and the main extension handle, the secondary handle rearmost end that extends are respectively arranged with magnetic
Stone.
7. a kind of reducing direct current according to claim 1, loop resistance test clip, it is characterised in that：The main jaw seat,
Secondary jaw seat front end top surface both sides are provided with the ears or side handles of a utensil, and the main extension jaw seat, secondary extend on jaw base rear end end are set
There is the rotating shaft that can be inserted between two ears or side handles of a utensil.
8. according to a kind of any described reducing direct currents of claim 1-8, loop resistance test clip, it is characterised in that：The master
The junction front and rear sides of jaw seat and main extension jaw seat have been placed equidistant pin-and-hole, are placed equidistant on the main extension jaw seat
There is corresponding pin-and-hole, a main main pin-and-hole for extending jaw seat of jaw steady pin insertion connects with a wherein pin-and-hole for main jaw seat,
The secondary jaw seat has been placed equidistant pin-and-hole with the secondary junction front and rear sides for extending jaw seat, and the secondary extension jaw seat is first-class
Away from corresponding pin-and-hole is provided with, a secondary jaw steady pin insertion pair extends the pin-and-hole of jaw seat and a wherein pin-and-hole for secondary jaw seat
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718668.3A CN107576825B (en) | 2017-08-21 | 2017-08-21 | Reducing direct current, return circuit resistance test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718668.3A CN107576825B (en) | 2017-08-21 | 2017-08-21 | Reducing direct current, return circuit resistance test clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107576825A true CN107576825A (en) | 2018-01-12 |
| CN107576825B CN107576825B (en) | 2024-01-30 |
Family
ID=61034584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710718668.3A Active CN107576825B (en) | 2017-08-21 | 2017-08-21 | Reducing direct current, return circuit resistance test clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576825B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967532A (en) * | 2019-12-02 | 2020-04-07 | 深圳供电局有限公司 | Electric power test clip |
| CN113884768A (en) * | 2021-10-22 | 2022-01-04 | 中国铁道科学研究院集团有限公司标准计量研究所 | Contact wire resistance measuring device |
Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2415520A1 (en) * | 1978-01-27 | 1979-08-24 | Auzou Paul | MANUAL FORCEPS WITH REMOVABLE JAWS |
| CN2155571Y (en) * | 1992-07-13 | 1994-02-09 | 张力 | Universal testing clamp for low-resistance testers |
| US5327802A (en) * | 1993-05-21 | 1994-07-12 | Yu Chin Yung | Combination pliers |
| US5564318A (en) * | 1995-03-31 | 1996-10-15 | Pail; Opher | Folding tool |
| CN1266767A (en) * | 1999-01-29 | 2000-09-20 | 莱特曼工具集团有限公司 | Multifunctional locking pliers |
| CN2443387Y (en) * | 2000-09-29 | 2001-08-15 | 温红旗 | Switch circuit resistance tester |
| US6408725B1 (en) * | 2001-04-20 | 2002-06-25 | Paul M. Janson | Pliers |
| US20020138913A1 (en) * | 2001-03-28 | 2002-10-03 | Great Neck Saw Manufacturers, Inc. | Foldable multi-tool |
| US20070252579A1 (en) * | 2006-04-27 | 2007-11-01 | Fluke Corporation | Electrical measuring instrument having detachable current clamp |
| CN201035041Y (en) * | 2007-05-21 | 2008-03-12 | 张旦芬 | High altitude test plier |
| CN201804026U (en) * | 2010-10-12 | 2011-04-20 | 邢台供电公司 | Retractable pincer-like galvanometer |
| CN201872094U (en) * | 2010-12-06 | 2011-06-22 | 河南省电力公司濮阳供电公司 | Pliers with adjustable handle length |
| CN202318300U (en) * | 2011-09-05 | 2012-07-11 | 马景德 | Multifunctional clamping pincers |
| CN202383202U (en) * | 2011-12-23 | 2012-08-15 | 重庆市电力公司綦南供电局 | Jaw-adjustable direct-current resistance test plier |
| CN202421226U (en) * | 2011-12-23 | 2012-09-05 | 重庆市电力公司綦南供电局 | Small contact resistance circuit resistance testing pliers |
| CN103105512A (en) * | 2013-01-23 | 2013-05-15 | 安徽省电力公司芜湖供电公司 | High-altitude test clamp |
| CN203069630U (en) * | 2013-01-23 | 2013-07-17 | 安徽省电力公司芜湖供电公司 | High-altitude test clamp |
| CN103552007A (en) * | 2013-11-13 | 2014-02-05 | 上海齐迈五金有限公司 | Dual-head pliers |
| US20140230516A1 (en) * | 2013-02-19 | 2014-08-21 | Milwaukee Electric Tool Corporation | Forming hand tool |
| CN204086400U (en) * | 2014-10-24 | 2015-01-07 | 国家电网公司 | Circuit resistance tester |
| CN204314385U (en) * | 2014-12-17 | 2015-05-06 | 重庆市合川区环宇配件厂 | Gear type circuit resistance tester |
| CN204397649U (en) * | 2014-12-09 | 2015-06-17 | 国家电网公司 | Pincers special for sleeve conductive screw |
| CN204633229U (en) * | 2015-06-10 | 2015-09-09 | 成都市斯达鑫辉视讯科技有限公司 | A kind of wire stripping pliers of adjustable wire stripping length |
| CN205043690U (en) * | 2015-09-28 | 2016-02-24 | 重庆戈林物流有限责任公司 | Spanner of portion of can electronic change keeping silent |
| CN205210117U (en) * | 2015-10-28 | 2016-05-04 | 湖南维思动电力科技有限公司 | Resistance test presss from both sides |
| CN105759120A (en) * | 2014-12-17 | 2016-07-13 | 重庆市合川区环宇配件厂 | Gear-type adaptive loop resistance testing clamp |
| CN105866477A (en) * | 2016-03-30 | 2016-08-17 | 国网福建省电力有限公司 | Circuit resistance test wire connection clamp |
| CN205630365U (en) * | 2016-05-27 | 2016-10-12 | 国网山东省电力公司冠县供电公司 | Portable laborsaving pliers |
| CN205852096U (en) * | 2016-05-09 | 2017-01-04 | 金华市跨耀工具制造有限公司 | A kind of ground connection pincers |
| CN107064568A (en) * | 2016-11-29 | 2017-08-18 | 贵州电网有限责任公司兴义供电局 | Multi-functional high current overhead jointing clamp |
| CN207051333U (en) * | 2017-08-21 | 2018-02-27 | 贵州电网有限责任公司 | A kind of reducing direct current, loop resistance test clip |
-
2017
- 2017-08-21 CN CN201710718668.3A patent/CN107576825B/en active Active
Patent Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2415520A1 (en) * | 1978-01-27 | 1979-08-24 | Auzou Paul | MANUAL FORCEPS WITH REMOVABLE JAWS |
| CN2155571Y (en) * | 1992-07-13 | 1994-02-09 | 张力 | Universal testing clamp for low-resistance testers |
| US5327802A (en) * | 1993-05-21 | 1994-07-12 | Yu Chin Yung | Combination pliers |
| US5564318A (en) * | 1995-03-31 | 1996-10-15 | Pail; Opher | Folding tool |
| CN1266767A (en) * | 1999-01-29 | 2000-09-20 | 莱特曼工具集团有限公司 | Multifunctional locking pliers |
| CN2443387Y (en) * | 2000-09-29 | 2001-08-15 | 温红旗 | Switch circuit resistance tester |
| US20020138913A1 (en) * | 2001-03-28 | 2002-10-03 | Great Neck Saw Manufacturers, Inc. | Foldable multi-tool |
| US6408725B1 (en) * | 2001-04-20 | 2002-06-25 | Paul M. Janson | Pliers |
| US20070252579A1 (en) * | 2006-04-27 | 2007-11-01 | Fluke Corporation | Electrical measuring instrument having detachable current clamp |
| CN201035041Y (en) * | 2007-05-21 | 2008-03-12 | 张旦芬 | High altitude test plier |
| CN201804026U (en) * | 2010-10-12 | 2011-04-20 | 邢台供电公司 | Retractable pincer-like galvanometer |
| CN201872094U (en) * | 2010-12-06 | 2011-06-22 | 河南省电力公司濮阳供电公司 | Pliers with adjustable handle length |
| CN202318300U (en) * | 2011-09-05 | 2012-07-11 | 马景德 | Multifunctional clamping pincers |
| CN202421226U (en) * | 2011-12-23 | 2012-09-05 | 重庆市电力公司綦南供电局 | Small contact resistance circuit resistance testing pliers |
| CN202383202U (en) * | 2011-12-23 | 2012-08-15 | 重庆市电力公司綦南供电局 | Jaw-adjustable direct-current resistance test plier |
| CN103105512A (en) * | 2013-01-23 | 2013-05-15 | 安徽省电力公司芜湖供电公司 | High-altitude test clamp |
| CN203069630U (en) * | 2013-01-23 | 2013-07-17 | 安徽省电力公司芜湖供电公司 | High-altitude test clamp |
| US20140230516A1 (en) * | 2013-02-19 | 2014-08-21 | Milwaukee Electric Tool Corporation | Forming hand tool |
| CN103552007A (en) * | 2013-11-13 | 2014-02-05 | 上海齐迈五金有限公司 | Dual-head pliers |
| CN204086400U (en) * | 2014-10-24 | 2015-01-07 | 国家电网公司 | Circuit resistance tester |
| CN204397649U (en) * | 2014-12-09 | 2015-06-17 | 国家电网公司 | Pincers special for sleeve conductive screw |
| CN105759120A (en) * | 2014-12-17 | 2016-07-13 | 重庆市合川区环宇配件厂 | Gear-type adaptive loop resistance testing clamp |
| CN204314385U (en) * | 2014-12-17 | 2015-05-06 | 重庆市合川区环宇配件厂 | Gear type circuit resistance tester |
| CN204633229U (en) * | 2015-06-10 | 2015-09-09 | 成都市斯达鑫辉视讯科技有限公司 | A kind of wire stripping pliers of adjustable wire stripping length |
| CN205043690U (en) * | 2015-09-28 | 2016-02-24 | 重庆戈林物流有限责任公司 | Spanner of portion of can electronic change keeping silent |
| CN205210117U (en) * | 2015-10-28 | 2016-05-04 | 湖南维思动电力科技有限公司 | Resistance test presss from both sides |
| CN105866477A (en) * | 2016-03-30 | 2016-08-17 | 国网福建省电力有限公司 | Circuit resistance test wire connection clamp |
| CN205852096U (en) * | 2016-05-09 | 2017-01-04 | 金华市跨耀工具制造有限公司 | A kind of ground connection pincers |
| CN205630365U (en) * | 2016-05-27 | 2016-10-12 | 国网山东省电力公司冠县供电公司 | Portable laborsaving pliers |
| CN107064568A (en) * | 2016-11-29 | 2017-08-18 | 贵州电网有限责任公司兴义供电局 | Multi-functional high current overhead jointing clamp |
| CN207051333U (en) * | 2017-08-21 | 2018-02-27 | 贵州电网有限责任公司 | A kind of reducing direct current, loop resistance test clip |
Non-Patent Citations (2)
| Title |
|---|
| 谢育鹏等: "一种新型回路电阻测试线接线钳的研制", 电气时代 * |
| 黄霖等: "变压器试验接线钳的研制及应用", 低碳技术 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967532A (en) * | 2019-12-02 | 2020-04-07 | 深圳供电局有限公司 | Electric power test clip |
| CN110967532B (en) * | 2019-12-02 | 2022-09-02 | 深圳供电局有限公司 | Electric power test clip |
| CN113884768A (en) * | 2021-10-22 | 2022-01-04 | 中国铁道科学研究院集团有限公司标准计量研究所 | Contact wire resistance measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107576825B (en) | 2024-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107576825A (en) | A kind of reducing direct current, loop resistance test clip | |
| CN207051333U (en) | A kind of reducing direct current, loop resistance test clip | |
| US20100012351A1 (en) | Spacers for cable conductors | |
| BRPI0902471A2 (en) | fuse safety touch with amp rejection | |
| US10938130B1 (en) | Plug-in point adapter for alligator clip | |
| CN201637758U (en) | Special pincer for measuring loop resistance of trolley switch | |
| CN206348364U (en) | A kind of multifunction test insulating support rod | |
| CN105226414B (en) | Power equipment and its anti-slip grounding wire device | |
| CN206134980U (en) | High voltage circuit breaker secondary plug seat formula binding clip that stabilizes | |
| CN108508254A (en) | It is a kind of to install the current measuring device for extending lever additional | |
| CN107311025A (en) | Multifunctional aloft-work tool for transmitting | |
| JP5461676B1 (en) | Insulation sheet with clip for indirect hot wire construction | |
| JP2017117588A (en) | Electric charging terminal adapter | |
| CN217425661U (en) | Current detection device of current transformer | |
| CN209606516U (en) | Power detecting pincers are used in a kind of detection of electric power | |
| CN205484766U (en) | Device is examined in supplementary school of electric energy meter | |
| CN212845676U (en) | Power bus safety operation detecting instrument | |
| US1677306A (en) | Electric welding tongs | |
| CN207269056U (en) | A kind of grounded screen continuity test jointing clamp | |
| CN110970831A (en) | 10kV live working multifunctional insulation device | |
| CN206379495U (en) | The firm overhead jointing clamp of clamping | |
| CN205681030U (en) | A kind of Multifunctional wire stripper | |
| CN207752041U (en) | A kind of polymer gripper applied to high current aging testing apparatus | |
| CN110768035A (en) | Multifunctional crocodile clip clamp | |
| CN209946343U (en) | Multipurpose electric leakage detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |