CN202330514U - Special clamp for testing conductor resistance of wires and cables - Google Patents
Special clamp for testing conductor resistance of wires and cables Download PDFInfo
- Publication number
- CN202330514U CN202330514U CN2011204547601U CN201120454760U CN202330514U CN 202330514 U CN202330514 U CN 202330514U CN 2011204547601 U CN2011204547601 U CN 2011204547601U CN 201120454760 U CN201120454760 U CN 201120454760U CN 202330514 U CN202330514 U CN 202330514U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- electric current
- utmost point
- clamp
- teeth groove
- 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
Links
Images
Landscapes
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model relates to a special clamp for testing the conductor resistance of wires and cables. The special clamp comprises a base, current electrodes, a potential electrode and a drawing clamping head, wherein the base comprises a positive/negative screw rod and a guide rail; the positive/negative screw rods are connected with the current electrodes at the two sides; each current electrode comprises a pair of current-end fixed pliers and a pair of current-end moving pliers; the potential electrode comprises a spring, a single-piece copper tooth groove, a guide-tooth groove handle, a tooth-groove fixing piece, a hinge and a potential support; and the drawing clamping head is consistent to the current electrodes in structure. The special clamp has the advantages that a sample can be quickly assembled and disassembled and is straightened by the special clamping head, so that the problem that the traditional clamp can not effectively straighten conductors can be solved.
Description
Technical field
The utility model relates to a kind of electric wire and cable conductor resistance test unit clamp.
Background technology
Conductor resistance is as one of key project of electric wire, to the electric conductivity important influence.The test of Kai Erwen double bridge is generally used in the test of conductor resistance.Promptly adopt the four-terminal measurement anchor clamps to carry out wiring, the outside of four end anchor clamps is a pair of to be the electric current utmost point, and the inboard is a pair of to be potential pole, and the current potential contact is made up of quite sharp blade, and is parallel to each other, all perpendicular to sample.Traditional approach steps up conductor dbus and crosses screw drive, and the drive moving jaw steps up goods and unclamps sample.Frequent operation all is through screw drive, and is very time-consuming.This anchor clamps can't effectively be fixed and stretching conductor, cause conductor not have tension force, and error in length is bigger.The relative position of the potential pole and the electric current utmost point can't be adjusted, and can't effectively satisfy different size electric wire test request.
The utility model content
The utility model is designed and developed a kind of electric wire and cable conductor resistance test unit clamp to the deficiency of prior art, comes sample is carried out stretching through special carrier, can solve the problem that conventional brace can't effective stretching conductor.And the convenient adjusting of the relative position that can accomplish the potential pole and the electric current utmost point, and the both sides relative position can be adjusted simultaneously.
For realizing above technical purpose, the utility model will be taked following technical scheme:
A kind of electric wire and cable conductor resistance test unit clamp, its composition comprises base, the electric current utmost point, potential pole and stretching chuck; Said base comprises positive and negative screw rod and the guide rail that connects the both sides electric current utmost point; The said electric current utmost point comprises current terminal fixation clamps and current terminal adjustable clamp; Said potential pole is positioned at the inboard of the electric current utmost point, is fixed on the two ends of base respectively, is made up of spring, monolithic copper teeth groove, guiding teeth groove handle, teeth groove fixture, hinge and potential pole bearing; Said stretching chuck structure is extremely consistent with electric current, and what be fixed on base regulates the opposite side of hand handle away from screw rod, is positioned at the outside of the electric current utmost point.
Further, respectively connect the electric current utmost point of a side on the slide unit at the two ends of above-mentioned positive and negative screw rod, the electric current utmost point can be realized synchronous moving laterally or to the inside with the rotation of screw rod on this positive and negative screw rod; Can realize the relative variation of the electric current utmost point and voltage pole position like this; One end of screw rod has screw rod to regulate hand handle, and there is screw locking device hand handle and screw rod junction.
Further, above-mentioned current terminal adjustable clamp is made up of copper teeth groove, holddown spring, teeth groove guide rail, adjustable clamp outer cover and locking device; Wherein, locking device is made up of locking spring, pinch sheet, slide switch, handle and draw-in groove bar.
Further, above-mentioned stretching chuck is installed on the opposite side of the hand handle of positive and negative screw rod connection with hand handle; Said hand handle links to each other with slide block through screw rod, is fixed with fixation clamps and adjustable clamp with electric current utmost point uniform structure on the slide block.According to above technical scheme, can realize following beneficial effect:
1, this conductor resistance test unit clamp conductor that can adapt to different size carries out clamping.
2, utilize the structure of the electric current utmost point can realize the Fast Installation or the dismounting of sample.
3, the stretching chuck is improved, make the stretching chuck to the clamping of sample with unclamp and become very convenient.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the electric current electrode structure synoptic diagram of the utility model;
Fig. 4 is the potential pole structural representation of the utility model;
Label among Fig. 1 and Fig. 2, Fig. 3 and Fig. 4 is explained: 1, base, 11, positive and negative screw rod, 12, guide rail 2, the electric current utmost point; 21, current terminal fixation clamps, 22, the current terminal adjustable clamp, 221, the copper teeth groove; 222, holddown spring, 223, the teeth groove guide rail, 224, the adjustable clamp outer cover; 225, locking device, 3, potential pole, 4, the stretching chuck.
Embodiment
Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail: as depicted in figs. 1 and 2; The described a kind of electric wire and cable conductor resistance test unit clamp of the utility model, its composition comprises base 1, the electric current utmost point 2, potential pole 3 and stretching chuck 4.Base 1 comprises the positive and negative screw rod 11 and guide rail 12 that connects the both sides electric current utmost point 2.Positive and negative screw rod 11 is fixed on the base 1 with guide rail 12 gantry through both sides.The electric current utmost point 2 that respectively connects a side on the slide unit at the two ends of positive and negative screw rod 11.One end of screw rod has screw rod to regulate hand handle, and there is screw locking device 225 hand handle and screw rod junction.The electric current utmost point 2 can be realized synchronous moving laterally or to the inside with the rotation of screw rod on this positive and negative screw rod 11.Can realize the relative variation of the electric current utmost point 2 and voltage pole position like this.
The electric current utmost point 2 is positioned at the outside of potential pole 3, is fixed on respectively on the slide unit on positive and negative screw rod 11 both sides.Comprise current terminal fixation clamps 21, current terminal adjustable clamp 22.Current terminal adjustable clamp 22 is made up of copper teeth groove 221, holddown spring 222, teeth groove guide rail 223, adjustable clamp outer cover 224, locking device 225.Holddown spring 222 is fixed on the inner upper end of adjustable clamp outer cover 224, and the other end connects teeth groove, and teeth groove guide rail 223 is defined in the both sides of adjustable clamp outer cover 224 inside, and the flexible of spring will move along teeth groove guide rail 223.Wherein locking device 225 is made up of locking spring, pinch sheet, slide switch, handle, draw-in groove bar.Locking spring one end supports by surveying in the handle top, and the other end connects slide switch, is sleeved in the handle, and the draw-in groove bar is fixed on a side of current terminal fixation clamps 21.When sample steps up, current terminal adjustable clamp 22 is buckled on the current terminal fixation clamps 21, when again handle being compressed downwards through handle; The elastic force that overcomes spring presses down; Up to the conductor compacted position, the sheet of pinching on this moment locking device 225 blocks draw-in groove, has just clamped conductor.When sample unclamps, only need the slide switch on the locking device 225 is stirred laterally, again handle is lifted from, push current terminal adjustable clamp 22 aside and get final product.Can realize the Fast Installation or the dismounting of sample like this.
Stretching chuck 4 structures are consistent with the electric current utmost point 2, and what be fixed on base 1 regulates the opposite side of hand handle away from screw rod, is positioned at the outside of the electric current utmost point 2.Regulate the opposite side termination of hand handle at screw rod, stretching chuck 4 is housed uses hand handle, this handle links to each other with slide block through screw rod, is fixed with the fixation clamps and the adjustable clamp of the electric current utmost point 2 uniform structures on the slide block.But can realize sample Fast Installation or dismounting on stretching chuck 4 equally.
During concrete operations, first rotating screw bolt is regulated the rotation that hand handle drives positive and negative screw rod 11, adjusts potential pole 3 and the electric current utmost point 2 relative positions according to testing requirement, through locking device relative position is fixed again.Then wire conductor is positioned on the conductor professional test anchor clamps, during placement, conductor is pushed down a little downwards; Make two potential poles 3 block conductor, an end is fixed on the electric current utmost point 2 of a side then, through locking device 225 teeth groove is locked conductor; The other end with conductor is locked on the stretching chuck 4 again, uses hand handle through rotating stretching chuck 4, makes conductor under the electric current utmost point 2 fixations; The chuck 4 that is stretched vises, and outwards carries out stretching to conductor.Behind the stretching conductor, again stretching chuck 4 another inboard electric current utmost points 2 are locked conductor through locking device 225.Can test with that.After test finishes,, current terminal adjustable clamp on the electric current utmost point 2 22 and stretching chuck 4 are opened, sample is vertically lifted from anchor clamps, just can conveniently realize the dismounting of conductor as long as unclamp slide switch on the locking device 225.
Claims (4)
1. an electric wire and cable conductor resistance test unit clamp is characterized in that including base, the electric current utmost point, potential pole and stretching chuck; Said base comprises positive and negative screw rod and the guide rail that connects the both sides electric current utmost point; The said electric current utmost point comprises current terminal fixation clamps and current terminal adjustable clamp; Said potential pole is positioned at the inboard of the electric current utmost point, is fixed on the two ends of base respectively, is made up of spring, monolithic copper teeth groove, guiding teeth groove handle, teeth groove fixture, hinge and potential pole bearing; Said stretching chuck structure is extremely consistent with electric current, and what be fixed on base regulates the opposite side of hand handle away from screw rod, is positioned at the outside of the electric current utmost point.
2. according to the said a kind of electric wire and cable conductor resistance test unit clamp of claim 1, it is characterized in that: the electric current utmost point that respectively connects a side on the slide unit at the two ends of said positive and negative screw rod; One end of screw rod has screw rod to regulate hand handle, and there is screw locking device hand handle and screw rod junction.
3. according to the said a kind of electric wire and cable conductor resistance test unit clamp of claim 1, it is characterized in that: said current terminal adjustable clamp is made up of copper teeth groove, holddown spring, teeth groove guide rail, adjustable clamp outer cover and locking device; Said locking device is made up of locking spring, pinch sheet, slide switch, handle and draw-in groove bar.
4. according to the said a kind of electric wire and cable conductor resistance test unit clamp of claim 1, it is characterized in that: said stretching chuck is installed on the opposite side of the hand handle of positive and negative screw rod connection with hand handle; Said hand handle links to each other with slide block through screw rod, is fixed with fixation clamps and adjustable clamp with electric current utmost point uniform structure on the slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204547601U CN202330514U (en) | 2011-11-11 | 2011-11-11 | Special clamp for testing conductor resistance of wires and cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204547601U CN202330514U (en) | 2011-11-11 | 2011-11-11 | Special clamp for testing conductor resistance of wires and cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330514U true CN202330514U (en) | 2012-07-11 |
Family
ID=46442490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204547601U Expired - Fee Related CN202330514U (en) | 2011-11-11 | 2011-11-11 | Special clamp for testing conductor resistance of wires and cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330514U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149389A (en) * | 2013-02-07 | 2013-06-12 | 宁波日中材料科技有限公司 | Resistivity measuring clamp for silver alloy wires |
| CN103344798A (en) * | 2013-07-04 | 2013-10-09 | 哈尔滨理工大学 | Clamp and method for measuring direct current resistance of twisted wire core of cable |
| CN103777078A (en) * | 2012-10-19 | 2014-05-07 | 远东电缆有限公司 | Cable conductor DC-resistance testing device and testing method |
| CN104865447A (en) * | 2015-05-11 | 2015-08-26 | 中铁建电气化局集团康远新材料有限公司 | Stranded single filament direct-current resistance measuring device and method |
| CN107703333A (en) * | 2017-11-20 | 2018-02-16 | 国网山东省电力公司龙口市供电公司 | A kind of resistance meter for being easy to workpiece to install |
| CN108333430A (en) * | 2018-04-16 | 2018-07-27 | 德阳微影智能科技有限责任公司 | A kind of full-automatic machine vision copper bar volume resistivity detection device |
| CN113238096A (en) * | 2021-04-29 | 2021-08-10 | 国网新疆电力有限公司电力科学研究院 | Wire and cable direct current resistance parameter measuring device |
-
2011
- 2011-11-11 CN CN2011204547601U patent/CN202330514U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777078A (en) * | 2012-10-19 | 2014-05-07 | 远东电缆有限公司 | Cable conductor DC-resistance testing device and testing method |
| CN103777078B (en) * | 2012-10-19 | 2016-04-27 | 远东电缆有限公司 | Cable conductor DC resistance proving installation and method of testing |
| CN103149389A (en) * | 2013-02-07 | 2013-06-12 | 宁波日中材料科技有限公司 | Resistivity measuring clamp for silver alloy wires |
| CN103344798A (en) * | 2013-07-04 | 2013-10-09 | 哈尔滨理工大学 | Clamp and method for measuring direct current resistance of twisted wire core of cable |
| CN104865447A (en) * | 2015-05-11 | 2015-08-26 | 中铁建电气化局集团康远新材料有限公司 | Stranded single filament direct-current resistance measuring device and method |
| CN104865447B (en) * | 2015-05-11 | 2017-10-03 | 中铁建电气化局集团康远新材料有限公司 | Monofilament direct current resistance m easurem ent device and method after one kind is twisted |
| CN107703333A (en) * | 2017-11-20 | 2018-02-16 | 国网山东省电力公司龙口市供电公司 | A kind of resistance meter for being easy to workpiece to install |
| CN107703333B (en) * | 2017-11-20 | 2023-11-24 | 国网山东省电力公司烟台市牟平区供电公司 | Resistance tester convenient to work piece installation |
| CN108333430A (en) * | 2018-04-16 | 2018-07-27 | 德阳微影智能科技有限责任公司 | A kind of full-automatic machine vision copper bar volume resistivity detection device |
| CN113238096A (en) * | 2021-04-29 | 2021-08-10 | 国网新疆电力有限公司电力科学研究院 | Wire and cable direct current resistance parameter measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202330514U (en) | Special clamp for testing conductor resistance of wires and cables | |
| CN212844686U (en) | Tension detector | |
| CN213917141U (en) | Portable solar aluminum frame single-head cutting machine | |
| CN211266255U (en) | Cable insulation supporting device for power transformation maintenance | |
| CN210090653U (en) | Automatic testing device for switching power supply | |
| CN213149019U (en) | Test fixture for detecting conductor resistance of wire and cable | |
| CN215245735U (en) | Winding and bundling device | |
| CN210897938U (en) | Wiring and doubling device applied to electric power rush-repair | |
| CN210243353U (en) | Pliers torsion test device | |
| CN209821336U (en) | High-voltage cable fault detection device | |
| CN208421002U (en) | A kind of D.C. high-current test device | |
| CN208060620U (en) | A kind of photovoltaic welding belt resistivity measurement device | |
| CN220739329U (en) | Stretching device | |
| CN220584325U (en) | Charger test fixture | |
| CN210051887U (en) | Clamping device for electric energy meter inspection | |
| CN215557901U (en) | Cable detection device | |
| CN216176894U (en) | Hole taking assistor for electric power fitting machining | |
| CN204741087U (en) | Fixed subassembly of earthing terminal of earth connection | |
| CN210038083U (en) | Lithium battery probe current test fixture | |
| CN219132073U (en) | Copper-aluminum composite conductive bar processing and positioning device | |
| CN215340154U (en) | Insulating multiplexer utensil test device | |
| CN220254003U (en) | Cable fixing clamp convenient for clamping operation | |
| CN215768652U (en) | Quick test fixture of inductance tester | |
| CN217334625U (en) | Carbon brush structure for adjustable motor | |
| CN219980019U (en) | Terminal welding structure of power module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20131111 |