CN203133176U - Conductor direct current resistance measuring bridge - Google Patents
Conductor direct current resistance measuring bridge Download PDFInfo
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- CN203133176U CN203133176U CN 201320115507 CN201320115507U CN203133176U CN 203133176 U CN203133176 U CN 203133176U CN 201320115507 CN201320115507 CN 201320115507 CN 201320115507 U CN201320115507 U CN 201320115507U CN 203133176 U CN203133176 U CN 203133176U
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- electrode
- conductor
- resistance measuring
- measuring bridge
- stiff end
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Abstract
The utility model provides a conductor direct current resistance measuring bridge. The direct current resistance measuring bridge includes an insulating bottom plate of which the upper end surface is provided with an electrode track, two pairs of electrode fixtures arranged in the electrode track, and a calibrated scale arranged along the upper end surface of the insulating bottom plate, wherein the two pairs of electrode fixtures are respectively arranged at two ends of the calibrated scale; each electrode fixture includes a fixed end of which the lower end is clamped inside the electrode track, a moving end which is opposite to the fixed end, a lead screw of which one end is rotatably connected with the fixed end, a lead screw handle which is arranged at the other end of the lead screw, and a wiring terminal arranged on the fixed end; and the lead screw penetrates the moving end and is in screw connection with the moving end. The conductor direct current resistance measuring bridge is advantageous in scientific design, adjustability in current electrode/ potential electrode spacing, independent clamping of current electrodes and potential electrodes and convenience in replacement of worn electrodes.
Description
Technical field
The utility model relates to a kind of pencil manufacturing equipment that rolls, and specifically, has related to a kind of conductor DC resistance measuring bridge that rolls in the pencil manufacturing equipment.
Background technology
The potential electrode of common double bridge anchor clamps and galvanic electrode all are to be connected as a single entity with insulating material to fix usually at present the end.This anchor clamps are merely able to satisfy to be measured less than the conductor sample of 2/3rds liang of electrode separations the transversal section girth, and stability and accuracy that conductor cross-sectional area surpasses the conductor sample measurement of this scope are difficult to guarantee.
In addition, conductor when some cross section irregularities of anchor clamps clamping, especially as the stranded moulding conductor in heavy in section, that this cross-sectional area of conductor is generally is fan-shaped, arc or triangle, it is good to occur the contact of electric current contact chuck when clamping, and the situation of electric potential contact chuck loose contact, even work as the electric current contact chuck and stepped up, and the electric potential contact chuck is difficult to contact with conductor, causes and can't normally measure.After long-term the use, anchor clamps also can wear and tear, be out of shape, and still can cause above-mentioned situation in this case.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, thereby provides that a kind of design science, galvanic electrode and potential electrode spacing are adjustable, galvanic electrode and potential electrode independent clamping separately, be convenient to change the conductor DC resistance measuring bridge of wearing and tearing electrode.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of conductor DC resistance measuring bridge, and it comprises that the upper surface is provided with the insulating base of electrode track, is arranged on two pairs of electrode holders in the described electrode track and the rule that arranges along described insulating base upper surface; Wherein, described electrode holder comprises that the lower end is fastened on leading screw, the leading screw handle that is arranged on the described leading screw other end that stiff end, the mobile terminal with the corresponding setting of described stiff end, an end and described stiff end in the described electrode track be rotationally connected and is arranged on binding post on the described stiff end; Described leading screw passes described mobile terminal and is threaded with described mobile terminal.
Based on above-mentioned, described stiff end is provided with the fixed head that has fixing silk hole, the wing bolt that passes the described fixing silk of described fixing silk Kong Bingyu hole threaded engagement; Top, described wing bolt lower end is located on the described insulating base.
Based on above-mentioned, described stiff end is provided with a plurality of major trough type teeth, and described mobile terminal is provided with a plurality of secondary grooved teeth, described major trough type tooth and corresponding being crisscross arranged of described secondary grooved tooth; The line of rabbet joint direction of described major trough type tooth and described secondary grooved tooth and the length direction of described insulating base be arranged in parallel.
Based on above-mentioned, two described electrode holders at close described insulating base two ends are the electric current anchor clamps, and middle two described electrode holders are the current potential anchor clamps; Two described current potential anchor clamps two ends scale settings of corresponding described rule respectively.
Based on above-mentioned, described stiff end is provided with guidepost, and described mobile terminal is provided with pilot hole, and described guidepost passes described pilot hole setting.
Based on above-mentioned, described leading screw and described guidepost are arranged on the below of described major trough type tooth and described secondary grooved tooth.
Based on above-mentioned, the both ends open of described electrode track is arranged on the side, two ends of described insulating base.
The relative prior art of the utility model has substantive distinguishing features and progress, and specifically, the utility model has been realized the function that galvanic electrode and potential electrode spacing are adjustable by electrode holder is arranged in the electrode track; Two pairs of electrode holders are set, make the independent clamping separately of galvanic electrode and potential electrode, be independent of each other; The both ends open of electrode track is arranged on the side, two ends of insulating base, makes described electrode holder be convenient to install and change.This conductor DC resistance measuring bridge has that design science, galvanic electrode and potential electrode spacing are adjustable, galvanic electrode and potential electrode independent clamping separately, be convenient to change the advantage of wearing and tearing electrode.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1. electrode track; 2. insulating base; 3. rule; 4. stiff end; 5. mobile terminal; 6. leading screw; 7. leading screw handle; 8. binding post; 9. fixed head; 10. butterfly type bolt; 11. major trough type tooth; 12. secondary grooved tooth; 13. guidepost.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of conductor DC resistance measuring bridge, it comprises that the upper surface is provided with the insulating base 2 of electrode track 1, is arranged on two pairs of electrode holders in the described electrode track 1 and the rule 3 that arranges along described insulating base upper surface, the benefit that described electrode holder is arranged in the described electrode track 1 is: the convenient spacing of adjusting two the described electrode holders in the same side, with the spacing that satisfies two the described electrode holders in the same side measuring condition greater than 1.5 times of conductor sample transversal section girths, make it to measure the different multiple conductor sample of thickness.Wherein, described electrode holder comprises leading screw 6 that the lower end is fastened on stiff end 4, the mobile terminal 5 with described stiff end 4 corresponding settings, an end and described stiff end 4 in the described electrode track 1 and is rotationally connected, is arranged on the leading screw handle 7 of described leading screw 6 other ends and is arranged on binding post 8 on the described stiff end 4; Described leading screw 6 passes described mobile terminal 5 and is threaded with described mobile terminal 5.She Ji benefit is like this: the one, be convenient to described mobile terminal 5 and described stiff end 4 clamping conductor samples, and the 2nd, described electrode holder is independent clamping separately, is independent of each other.The both ends open of described electrode track is arranged on the side, two ends of described insulating base.She Ji benefit is like this: be convenient to the installation of described electrode holder, and after the wearing and tearing of described electrode holder, can shift out from described electrode track 1 easily, be convenient to change.
Described stiff end 4 is provided with the fixed head 9 that has fixing silk hole, the wing bolt 10 that passes the described fixing silk of described fixing silk Kong Bingyu hole threaded engagement; Top, described wing bolt 10 lower ends is located on the described insulating base 2.After described electrode holder is adjusted the position along described electrode track 1, by screwing in described butterfly type bolt 10, described electrode holder is fixed on the described insulating base 2.
Described stiff end 4 is provided with a plurality of major trough type teeth 11, and described mobile terminal 5 is provided with a plurality of secondary grooved teeth 12, and described major trough type tooth 11 is fixed conductor samples with the main effect of described secondary grooved tooth 12.Described major trough type tooth 11 and described secondary grooved tooth 12 corresponding being crisscross arranged, the benefit that is crisscross arranged is to be convenient to interlock, even thinner conductor sample also can make things convenient for clamping.Described major trough type tooth 11 be arranged in parallel with the line of rabbet joint direction of described secondary grooved tooth 12 and the length direction of described insulating base 2.She Ji benefit is to make things convenient for linear pattern conductor sample to be fixed in four described electrode holders like this.
Two described electrode holders near described insulating base 2 two ends are the electric current anchor clamps, middle two described electrode holders are the current potential anchor clamps, two electric current lines with meter during measurement are connected respectively on the described binding post 8 of two described electric current anchor clamps, and two equipotential lines of meter are connected respectively on the described binding post 8 of two described current potential anchor clamps.Two described current potential anchor clamps two ends scale settings of corresponding described rule 3 respectively, described rule 3 is used for measuring two distances between the described current potential anchor clamps.
Described stiff end 4 is provided with guidepost 13, and described mobile terminal 5 is provided with pilot hole, and described guidepost 13 passes described pilot hole setting.She Ji benefit is like this: described guidepost 13 and described leading screw 6 cooperate, limit the degree of freedom of described mobile terminal 5, described mobile terminal 5 can only be moved along the direction of described leading screw 6, further guarantee the clamping stability of described major trough type tooth 11 and described secondary grooved tooth 12.
Described leading screw 6 and described guidepost 13 are arranged on the below of described major trough type tooth 11 and described secondary grooved tooth 12.She Ji benefit is like this: conveniently the conductor sample is put between described major trough type tooth 11 and the described secondary grooved tooth 12 from the top, be convenient to clamping and measurement.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (9)
1. conductor DC resistance measuring bridge, it comprises that the upper surface is provided with the insulating base of electrode track, is arranged on two pairs of electrode holders in the described electrode track and the rule that arranges along described insulating base upper surface; Wherein, described electrode holder comprises that the lower end is fastened on leading screw, the leading screw handle that is arranged on the described leading screw other end that stiff end, the mobile terminal with the corresponding setting of described stiff end, an end and described stiff end in the described electrode track be rotationally connected and is arranged on binding post on the described stiff end; Described leading screw passes described mobile terminal and is threaded with described mobile terminal.
2. conductor DC resistance measuring bridge according to claim 1 is characterized in that: described stiff end is provided with the fixed head that has fixing silk hole, the wing bolt that passes the described fixing silk of described fixing silk Kong Bingyu hole threaded engagement; Top, described wing bolt lower end is located on the described insulating base.
3. conductor DC resistance measuring bridge according to claim 1 and 2, it is characterized in that: described stiff end is provided with a plurality of major trough type teeth, and described mobile terminal is provided with a plurality of secondary grooved teeth, described major trough type tooth and corresponding being crisscross arranged of described secondary grooved tooth; The line of rabbet joint direction of described major trough type tooth and described secondary grooved tooth and the length direction of described insulating base be arranged in parallel.
4. conductor DC resistance measuring bridge according to claim 3 is characterized in that: two described electrode holders near described insulating base two ends are the electric current anchor clamps, and middle two described electrode holders are the current potential anchor clamps; Two described current potential anchor clamps two ends scale settings of corresponding described rule respectively.
5. according to claim 1 or 2 or 4 described conductor DC resistance measuring bridges, it is characterized in that: described stiff end is provided with guidepost, and described mobile terminal is provided with pilot hole, and described guidepost passes described pilot hole setting.
6. conductor DC resistance measuring bridge according to claim 3, it is characterized in that: described stiff end is provided with guidepost, and described mobile terminal is provided with pilot hole, and described guidepost passes described pilot hole setting.
7. conductor DC resistance measuring bridge according to claim 5, it is characterized in that: described leading screw and described guidepost are arranged on the below of described major trough type tooth and described secondary grooved tooth.
8. conductor DC resistance measuring bridge according to claim 6, it is characterized in that: described leading screw and described guidepost are arranged on the below of described major trough type tooth and described secondary grooved tooth.
9. according to claim 7 or 8 described conductor DC resistance measuring bridges, it is characterized in that: the both ends open of described electrode track is arranged on the side, two ends of described insulating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320115507 CN203133176U (en) | 2013-03-14 | 2013-03-14 | Conductor direct current resistance measuring bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320115507 CN203133176U (en) | 2013-03-14 | 2013-03-14 | Conductor direct current resistance measuring bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133176U true CN203133176U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320115507 Expired - Fee Related CN203133176U (en) | 2013-03-14 | 2013-03-14 | Conductor direct current resistance measuring bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203133176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614592A (en) * | 2015-02-11 | 2015-05-13 | 李忠炎 | Convenient and rapid photovoltaic tin-coated copper belt resistance testing device |
| CN105486891A (en) * | 2014-09-18 | 2016-04-13 | 国家电网公司 | Bridge clamp |
| CN109298242A (en) * | 2018-11-26 | 2019-02-01 | 广西广缆科技集团有限公司 | A kind of direct current resistance m easurem ent device of cable |
-
2013
- 2013-03-14 CN CN 201320115507 patent/CN203133176U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486891A (en) * | 2014-09-18 | 2016-04-13 | 国家电网公司 | Bridge clamp |
| CN104614592A (en) * | 2015-02-11 | 2015-05-13 | 李忠炎 | Convenient and rapid photovoltaic tin-coated copper belt resistance testing device |
| CN109298242A (en) * | 2018-11-26 | 2019-02-01 | 广西广缆科技集团有限公司 | A kind of direct current resistance m easurem ent device of cable |
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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: 20130814 Termination date: 20170314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |