CN201716329U - Sample bracket for measuring specific resistance of metal sample - Google Patents
Sample bracket for measuring specific resistance of metal sample Download PDFInfo
- Publication number
- CN201716329U CN201716329U CN2010202019264U CN201020201926U CN201716329U CN 201716329 U CN201716329 U CN 201716329U CN 2010202019264 U CN2010202019264 U CN 2010202019264U CN 201020201926 U CN201020201926 U CN 201020201926U CN 201716329 U CN201716329 U CN 201716329U
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- China
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- sample
- insulation
- sample holder
- hold
- pallet
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Abstract
The utility model discloses a sample bracket for measuring the specific resistance of a metal sample, which comprises an insulation pallet, two supporting beams, two inverted T-shaped sample clamping knives and two insulating spacers, wherein a plurality of strip-shaped slotted holes parallel to each other are formed on the insulation pallet; a supporting rod is arranged at two ends of the supporting beams respectively, the upper ends of the supporting rods are fixedly connected with the supporting beams, and the lower parts of the supporting rods penetrate through the strip-shaped holes and are fixed on the insulation pallet through bolts; the sample clamping knives can be fixed on the insulation pallet through lock bolts; hold-down bolts are arranged on the two supporting beams, and the two insulating spacers are arranged below the hold-down bolts of the two supporting beams; two ends of a sample to be tested are arranged on the sample clamping knives and are fixed by the insulating spacers pushed by the hold-down bolts. The utility model is favorable for conveniently and quickly measuring the specific resistance, and is highly repeatable and stable.
Description
Technical field
The utility model relates to the resistivity measurement field, particularly a kind of specimen mounting that is used for the test button resistivity measurement.
Background technology
Resistivity is the physical quantity that is used for representing various material resistance characteristics.Resistance is one of metal material performance parameter, the resistance data of measuring has been widely used in the metallography problems such as gap ion, grain boundary, metal surface timeliness and crystal melting in the dislocation, lattice defect, alloy in phasor, order-disorder transition, the crystal.
Measurement for the resistivity of various materials, national standard all has corresponding regulation, such as national standard " test of electric wire electrical performance test method second portion metallic conductor resistivity " (GBT 3048.2-2007), national standard " density of electrical sheet (band); the measuring method of resistivity and pile pieces coefficient " (GBT 19289-2003), the preparation of sample when these standards have been stipulated resistivity measurement usually, the method of measuring etc., but all there is not clear and definite concrete implementation, particularly standard compliant sample, how sample is fixed, realize that fast and reliable ground is measured etc., therefore designing a reliable and stable specimen mounting has very important meaning to the measurement of the resistivity of metal material.
The utility model content
The purpose of this utility model provides a kind of specimen mounting that is used for the test button resistivity measurement, conveniently sample is measured reliably.
For achieving the above object, the specimen mounting that is used for the test button resistivity measurement of the present utility model, comprise sample holder cutter and two insulation spacers of an insulation pallet, two brace summers, two inverted T-shapeds, offer a plurality of bar shape trench holes that are parallel to each other on the described insulation pallet; The two ends of described brace summer respectively are provided with a support bar, fixedly connected with described brace summer in the top of described support bar, and described bar shape trench hole is passed in the bottom of described support bar, and can be by being bolted on the described insulation pallet; Described sample holder cutter can be fixed on the described insulation pallet by clamping screw, and described clamping screw passes described bar shape trench hole, and described two sample holder cuttves lay respectively at described two brace summers below; All be provided with hold-down bolt on described two brace summers, described two insulation spacers lay respectively at the hold-down bolt below of described two brace summers; The two ends of sample to be tested place respectively on described two sample holder cuttves, and promote described insulation spacer by hold-down bolt described sample to be tested is fixed.
The specimen mounting that is used for the test button resistivity measurement of the present utility model can hang down fast sample to be tested is fixed, and can be used for the resistivity of measuring metallic materials sample, help resistivity is measured quickly and easily, and repeated, good stability.
Description of drawings
Fig. 1 is the synoptic diagram that is used for the specimen mounting of test button resistivity measurement of the present utility model;
Fig. 2 is that the A-A of specimen mounting among Fig. 1 is to cut-open view;
Fig. 3 is the side view of specimen mounting among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is specifically described:
Shown in Fig. 1～3, the specimen mounting that is used for the test button resistivity measurement of the present utility model comprises sample holder cutter 30 and two insulation spacers 40 of an insulation pallet 10, two brace summers 20, two inverted T-shapeds.
Offer a plurality of bar shape trench holes 11 that are parallel to each other on the described insulation pallet 10;
The two ends of described brace summer 20 respectively are provided with a support bar 21, fixedly connected with described brace summer 20 in the top of described support bar 21, its fixed form can adopt welding or bolt to connect, described bar shape trench hole 11 is passed in the bottom of described support bar 21, and can be by being bolted on the described insulation pallet 10;
Described sample holder cutter 30 can be fixed on the described insulation pallet 10 by clamping screw 31, and described clamping screw 31 passes described bar shape trench hole 11, and described two sample holder cuttves 30 lay respectively at described two brace summer 20 belows;
All be provided with hold-down bolt 22 on described two brace summers 20, described two insulation spacers 40 lay respectively at hold-down bolt 22 belows of described two brace summers 20;
The two ends of sample to be tested 50 place respectively on described two sample holder cuttves 30, and by the described insulation spacer 40 of hold-down bolt 22 promotions described sample to be tested 50 are fixed.By screwing hold-down bolt 22, sample to be tested 50 is closely contacted with described sample holder cutter 30.
Sample to be tested 50 for different length, can correspondingly the also relative described bar shape trench hole 11 of described support bar 21 and brace summer 20 be slided by moving the distance that two sample holder cuttves 30 are adjusted in described relatively bar shape trench hole 11 slips of described sample holder cutter 30.
Described sample holder cutter 30 is inverted T-shaped, helps the steady of sample holder cutter 30, and described sample holder cutter 30 also can be that two L shaped right angle derbies combine.
When measuring the resistivity of sample to be tested 50, can two sample holder cuttves 30 be connected with measurement mechanism by two lead-in wires.Can adopt conventional method to measure during measuring resistance, measure the resistance value of two samples between the described sample holder cutter 30, and carry out at least twice duplicate measurements, averaging is the resistance value that records.With sample 50 sizes and the resistance value substitution following formula that records, calculate the resistivity of sample.
ρ＝Rbh/L
In the formula: ρ---resistivity, (μ Ω cm)
R---the resistance that records, (Ω)
B---specimen width, (cm)
H---sample thickness, (cm)
L---testing length i.e. the distance at the top of two described sample holder cuttves 30, (cm)
Claims (2)
1. a specimen mounting that is used for the test button resistivity measurement is characterized in that, comprises sample holder cutter and two insulation spacers of an insulation pallet, two brace summers, two inverted T-shapeds,
Offer a plurality of bar shape trench holes that are parallel to each other on the described insulation pallet;
The two ends of described brace summer respectively are provided with a support bar, fixedly connected with described brace summer in the top of described support bar, and described bar shape trench hole is passed in the bottom of described support bar, and can be by being bolted on the described insulation pallet;
Described sample holder cutter can be fixed on the described insulation pallet by clamping screw, and described clamping screw passes described bar shape trench hole, and described two sample holder cuttves lay respectively at described two brace summers below;
All be provided with hold-down bolt on described two brace summers, described two insulation spacers lay respectively at the hold-down bolt below of described two brace summers;
The two ends of sample to be tested place respectively on described two sample holder cuttves, and promote described insulation spacer by hold-down bolt described sample to be tested is fixed.
2. the specimen mounting that is used for the test button resistivity measurement as claimed in claim 1 is characterized in that, described sample holder cutter is combined by two L shaped right angle derbies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202019264U CN201716329U (en) | 2010-05-21 | 2010-05-21 | Sample bracket for measuring specific resistance of metal sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202019264U CN201716329U (en) | 2010-05-21 | 2010-05-21 | Sample bracket for measuring specific resistance of metal sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716329U true CN201716329U (en) | 2011-01-19 |
Family
ID=43462334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202019264U Expired - Fee Related CN201716329U (en) | 2010-05-21 | 2010-05-21 | Sample bracket for measuring specific resistance of metal sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716329U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830286A (en) * | 2012-08-20 | 2012-12-19 | 无锡锡洲电磁线有限公司 | Lead pressing device for per-meter resistance measurement |
| 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 |
| CN103926464A (en) * | 2014-04-25 | 2014-07-16 | 青岛大学 | Silver fiber resistance testing device |
| CN104614592A (en) * | 2015-02-11 | 2015-05-13 | 李忠炎 | Convenient and rapid photovoltaic tin-coated copper belt resistance testing device |
| CN104678181A (en) * | 2015-03-23 | 2015-06-03 | 攀钢集团研究院有限公司 | Method for measuring resistivity of steel rail |
| CN104749439A (en) * | 2015-04-17 | 2015-07-01 | 武汉大学 | Powder metallurgy sintered alloy sample conductivity measurement system and powder metallurgy sintered alloy sample conductivity measurement method |
| CN105116226A (en) * | 2015-09-08 | 2015-12-02 | 哈尔滨工业大学 | Measurement device and measurement method of electrical resistivity of permanent magnet material under high pressure |
| 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 |
| CN114686675A (en) * | 2022-03-31 | 2022-07-01 | 江苏大学 | Device for real-time coupling and strengthening of electric pulse and laser shock wave |
-
2010
- 2010-05-21 CN CN2010202019264U patent/CN201716329U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830286A (en) * | 2012-08-20 | 2012-12-19 | 无锡锡洲电磁线有限公司 | Lead pressing device for per-meter resistance measurement |
| CN103149389B (en) * | 2013-02-07 | 2016-08-31 | 宁波日中材料科技有限公司 | A kind of resistivity measurement fixture of silver alloy wire rod |
| 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 |
| CN103926464A (en) * | 2014-04-25 | 2014-07-16 | 青岛大学 | Silver fiber resistance testing device |
| CN103926464B (en) * | 2014-04-25 | 2017-01-18 | 青岛大学 | Silver fiber resistance testing device |
| CN104614592A (en) * | 2015-02-11 | 2015-05-13 | 李忠炎 | Convenient and rapid photovoltaic tin-coated copper belt resistance testing device |
| CN104678181B (en) * | 2015-03-23 | 2017-09-29 | 攀钢集团研究院有限公司 | Rail resistance rate measuring method |
| CN104678181A (en) * | 2015-03-23 | 2015-06-03 | 攀钢集团研究院有限公司 | Method for measuring resistivity of steel rail |
| CN104749439A (en) * | 2015-04-17 | 2015-07-01 | 武汉大学 | Powder metallurgy sintered alloy sample conductivity measurement system and powder metallurgy sintered alloy sample conductivity measurement method |
| CN104749439B (en) * | 2015-04-17 | 2018-01-12 | 武汉大学 | A kind of powder metallurgy sintered alloy sample conductivity measurement system and method |
| CN105116226A (en) * | 2015-09-08 | 2015-12-02 | 哈尔滨工业大学 | Measurement device and measurement method of electrical resistivity of permanent magnet material under high pressure |
| CN105116226B (en) * | 2015-09-08 | 2018-04-17 | 哈尔滨工业大学 | The measuring device and measuring method of permanent-magnet material resistivity under condition of high voltage |
| 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 |
| CN114686675A (en) * | 2022-03-31 | 2022-07-01 | 江苏大学 | Device for real-time coupling and strengthening of electric pulse and laser shock wave |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAOSTEEL SPECIAL STEEL CO., LTD. Free format text: FORMER OWNER: BAOSHAN IRON + STEEL CO., LTD. Effective date: 20140109 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201900 BAOSHAN, SHANGHAI TO: 200940 BAOSHAN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140109 Address after: 200940 Baoshan District aquatic Road, Shanghai, No. 1269 Patentee after: BAOSTEEL SPECIALSTEEL CO., LTD. Address before: 201900 Shanghai City, Baoshan District Mudanjiang Road No. 1813 South Patentee before: Baoshan Iron & Steel Co., Ltd. Effective date of registration: 20140109 Address after: 200940 Baoshan District aquatic Road, Shanghai, No. 1269 Patentee after: BAOSTEEL SPECIALSTEEL CO., LTD. Address before: 201900 Shanghai City, Baoshan District Mudanjiang Road No. 1813 South Patentee before: Baoshan Iron & Steel Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20190521 |