CN104166049A - Earth resistivity test device made of insulating materials - Google Patents
Earth resistivity test device made of insulating materials Download PDFInfo
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- CN104166049A CN104166049A CN201410409227.1A CN201410409227A CN104166049A CN 104166049 A CN104166049 A CN 104166049A CN 201410409227 A CN201410409227 A CN 201410409227A CN 104166049 A CN104166049 A CN 104166049A
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- insulating
- cutting ring
- measurement device
- test
- insulating material
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Abstract
The invention discloses an earth resistivity test device made of insulating materials. The earth resistivity test device comprises an earth cutting ring, an electrode stem, an electrode slice and a test clamp, wherein the earth cutting ring is manufactured by cutting a PVC pipe, the test clamp is used for fixing the cutting ring and comprises a fixing rod, two bases and two side plates, the lower portions of the side plates are rectangular, and the upper portions of the side plates are semi-circular. The bases are fixed to the bottom faces of the side plates through rivets, the two side plates are connected together through the fixing rod, and the side faces of the side plates comprise screw insertion holes. The Earth resistivity test device made of insulating materials is simple in structure and convenient to operate. The whole device belongs to insulators and is resistant to acid, alkali and corrosion, no preservative treatment is needed in the test process, and a resistivity test result is accurate. The cutting ring conducts sampling easily, sampling is integrated with the testing process, and earth resistivity can be accurately tested.
Description
Technical field
The present invention relates to soil resistivity field tests, be specially a kind of soil resistivity proving installation of insulating material.
Background technology
Soil resistivity is the embodiments of native electric conductivity, micromechanism, the important parameter of soil to corrosion of metal, soil pollution and soil engineering properties of research soil, at Foundation Design, Evaluating Soil Corrosivity and infer that the aspects such as native engineering properties have extremely important practical value.
At present, there is no to test undisturbed soil sample and can test again the resistivity apparatus of disturbed sample, and can not form sampling and test integrated process.Existing indoor resistivity proving installation existing problems are as follows: install simple and crudely, measurement result is insincere; Contact problems between electrode and pedotheque thoroughly do not solve, and affect the accuracy of test result; There is certain interference to soil sample measurements resistivity in the material of proving installation own.
Summary of the invention
The present invention, in order to solve the problems referred to above of existing indoor resistivity proving installation existence, provides a kind of resistivity measurement device of insulating material simple in structure, easy and simple to handle.
The present invention adopts following technical scheme to realize:
A kind of resistivity measurement device of insulating material, comprise test fixture, described test fixture comprises two insulating arthropleuras staggered relatively, the middle inside of described two insulating arthropleuras is fixedly connected with respectively microscope carrier, two microscope carriers are oppositely arranged, and the two ends of bearing test cutting ring respectively, the bottom of described two insulating arthropleuras is processed with the fixed jack that runs through insulating arthropleura relatively, in two fixed jacks, be fitted with same fixed bar, the bottom of described two insulating arthropleuras is processed with respectively vertical with fixed jack, and the fixing threaded hole communicating, standing screw has been threaded respectively in two fixing threaded holes, the top of described two insulating arthropleuras is processed with respectively the electrode stem screw that runs through insulating arthropleura, described electrode stem screw internal thread connecting electrode bar, on described insulating arthropleura medial surface, contact with test cutting ring end face in region and be pasted with electrode slice, one end of described electrode stem contacts with the back side of electrode slice, the other end is connected with resistivity tester by wire.
When work, test cutting ring is got test soil sample by " Standard for test methods of earthworks " (GB/T 50123-1999).By staggered relatively two insulation fixture side plates,, successively through two fixed jacks two fixture side plates are linked together with fixed bar.Then, test cutting ring is placed on two microscope carriers, two fixture side plates are contacted with test cutting ring both ends of the surface, electrode slice contacts with two ends soil sample in test cutting ring; Screw in standing screw respectively until screw after fixed bar, stop the motion of fixture side plate, make it tightly clamp test cutting ring.Finally, screw electrode stem and make it to contact with electrode slice, conductor resistance rate tester, tests comparatively accurately to all types of soil sample resistivity.
Preferably, in order further to improve electrode slice and the formedness that contacts of testing soil sample, described test cutting ring extracts soil sample to be measured, and the both ends of the surface of described soil sample to be measured are smeared one deck dag, dag and electrode slice uniform contact.
The present invention is simple in structure, easy and simple to handle, whole device belongs to insulator, acidproof, alkaline-resisting, corrosion-resistant, test process do not need any preservative treatment and resistivity measurement result accurate, test cutting ring easily samples, and reaches the integrated of sampling and test process, can realize soil resistivity is carried out to the comparatively accurately resistivity measurement device of test.
Brief description of the drawings
Fig. 1 is the front view of resistivity measurement device.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is that test cutting ring extracts the structural representation after soil sample.
In figure: 1-resistivity tester, 2-wire, 3-tests cutting ring, 4-soil sample to be measured, 5-dag, 6-electrode slice, 7-insulating arthropleura, 8-microscope carrier, 9-electrode stem, 10-terminal clamp, 11-fixed bar handle, 12-fixed bar, 13-fixing threaded hole, 14-base plate, 15-electrode stem screw, 16-standing screw, 17-standing screw handle, 18-fixed jack, 19-rivet hole, 20-cutting ring angular cut.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
A resistivity measurement device for insulating material, mainly comprises test cutting ring 3, electrode stem 9, electrode slice 6 and test fixture.
As shown in Figure 1, described test fixture comprises two insulating arthropleuras 7 staggered relatively, and described two insulating arthropleuras 7 are fixedly mounted on respectively on two base plates 14; Described base plate 14 is provided with grooved, and there are respectively two rivet holes 19 bottom; Two insulating arthropleura 7 lower ends also have respectively two rivet holes; In the bottom setting-in slot-in type of described insulating arthropleura 7, rivet, by inserting base plate rivet hole 19 and side plate rivet hole, links into an integrated entity side plate and base plate.
The middle inside of described two insulating arthropleuras 7 is fixedly connected with respectively microscope carrier 8.The bottom of described insulating arthropleura 7 is rectangular-shaped, and its underpart thickness is greater than top thickness and forms step-likely, and described microscope carrier 8 is positioned on step.Two microscope carriers 8 are oppositely arranged and carry respectively the two ends of tubulose test cutting ring 3, and described microscope carrier 8 has the semicircle loading end matching with test cutting ring 3, and the diameter of semicircle loading end part is the same with cutting ring diameter; Described test cutting ring 3 is just in time placed on microscope carrier 8, and test cutting ring 3 adopts pvc pipe material to make, and its overall diameter is 90mm, highly for 30mm, one end 0-5mm place formation angular cut 20.
As shown in Figure 1, 2, 3, the bottom of described two insulating arthropleuras 7 is processed with the fixed jack 18 that runs through insulating arthropleura 7 relatively, in two fixed jacks 18, be fitted with same fixed bar 12, the bottom of described two insulating arthropleuras 7 is processed with respectively the interior standing screw 16 that has been threaded respectively of 13, two fixing threaded holes 13 of fixing threaded hole vertical with fixed jack 18 and that communicate.Fixed bar 12 inserts the fixed jack 18 of two blocks of side plates, and standing screw 16 is screwed into the fixing threaded hole 13 of two side plate sides, and two insulating arthropleuras 7 are linked into an integrated entity.
The top of described two insulating arthropleuras 7 is processed with respectively the electrode stem screw 15 that runs through insulating arthropleura 7, described electrode stem screw 15 internal thread connecting electrode bars 9; There is installation screw thread electrode stem 9 one end, and electrode stem 9 has in the battery lead plate screw 15 that screw thread one end is screwed into insulating arthropleura 7.
On described insulating arthropleura 7 medial surfaces, at least contact with test cutting ring 3 end faces in region and be pasted with electrode slice 6, described electrode slice 6 is that diameter is that 90mm, thickness are 2mm copper sheet, and the size of electrode slice is identical with the end face size of testing cutting ring.
The top of insulating arthropleura 7 is also the semi-circular shape that diameter is 90mm.
One end of described electrode stem 9 contacts with the back side of electrode slice 6, the other end is connected with terminal clamp 10, and described terminal clamp 10 is flexibly connected with wire 2, and wire 2 is connected with resistivity tester 1.
The end of described fixed bar 12 is fixed with fixed bar handle 11; The end of described standing screw 16 is fixed with standing screw handle 17.
Test cutting ring 3 is got test soil sample by " Standard for test methods of earthworks " (GB/T 50123-1999), as shown in Figure 4.Before test cutting ring 3 soil samples are put into test fixture, inside two insulating arthropleuras, applying electrode glue sticks on electrode slice 6 on side plate, and smears gently one deck dag 5 at the two ends of test cutting ring 3 soil samples; Electrode slice 6 contacts with soil sample to be measured by dag 5, further improves electrode slice and the formedness that contacts of testing soil sample.
Complete that test fixture is installed and test cutting ring soil sampling, screw electrode stem 9 and make it to contact with electrode slice 6, wire 2 connecting electrode chucks 10 and resistivity tester 1, can start the resistivity of test different types soil sample cutting ring soil sample under different frequency.
The present invention has following beneficial effect:
A, select pvc pipe material to make test cutting ring, improve the degree of accuracy of resistivity measurement;
B, select rivet, screw rod, fixed bar connecting lateral plate and base plate, proving installation handling are easy;
C, test cutting ring and test fixture are insulating material, and acidproof, alkaline-resisting, corrosion-resistant, test process is without any need for preservative treatment;
D, test cutting ring soil sampling convenience, device load and unload easy, reach the integrated of soil sampling and test process, can realize all types of soil sample resistivity is tested comparatively accurately.
Claims (10)
1. the resistivity measurement device of an insulating material, it is characterized in that: comprise test fixture, described test fixture comprises two insulating arthropleuras staggered relatively (7), the middle inside of described two insulating arthropleuras (7) is fixedly connected with respectively microscope carrier (8), two microscope carriers (8) are oppositely arranged, and the two ends of bearing test cutting ring (3) respectively, the bottom of described two insulating arthropleuras (7) is processed with the fixed jack (18) that runs through insulating arthropleura (7) relatively, in two fixed jacks (18), be fitted with same fixed bar (12), the bottom of described two insulating arthropleuras (7) is processed with respectively vertical with fixed jack (18), and the fixing threaded hole communicating (13), standing screw (16) has been threaded respectively in two fixing threaded holes (13), the top of described two insulating arthropleuras (7) is processed with respectively the electrode stem screw (15) that runs through insulating arthropleura (7), described electrode stem screw (15) internal thread connecting electrode bar (9), on described insulating arthropleura (7) medial surface, contact with test cutting ring (3) end face in region and be pasted with electrode slice (6), one end of described electrode stem (9) contacts with the back side of electrode slice (6), the other end is connected with resistivity tester (1) by wire (2).
2. the resistivity measurement device of a kind of insulating material according to claim 1, is characterized in that: described two insulating arthropleuras (7) are fixedly mounted on respectively on two base plates (14).
3. the resistivity measurement device of a kind of insulating material according to claim 1 and 2, is characterized in that: described microscope carrier (8) has the semicircle loading end matching with test cutting ring (3).
4. the resistivity measurement device of a kind of insulating material according to claim 3, it is characterized in that: described test cutting ring (3) adopts pvc pipe material to make, the overall diameter of described test cutting ring (3) is 90mm, highly for 30mm, one end forms angular cut (20).
5. the resistivity measurement device of a kind of insulating material according to claim 4, is characterized in that: described electrode slice (6) is that diameter is that 90mm, thickness are 2mm copper sheet.
6. the resistivity measurement device of a kind of insulating material according to claim 2, is characterized in that: described base plate (14) is provided with grooved, in the bottom setting-in slot-in type of described insulating arthropleura (7), and is fixedly connected with by rivet.
7. the resistivity measurement device of a kind of insulating material according to claim 5, is characterized in that: described test cutting ring (3) extracts soil sample to be measured (5), and the both ends of the surface of described soil sample to be measured (5) are smeared one deck dag (5).
8. the resistivity measurement device of a kind of insulating material according to claim 6, is characterized in that: the bottom of described insulating arthropleura (7) is rectangular-shaped, and its underpart thickness is greater than top thickness and forms step-likely, and described microscope carrier (8) is positioned on step.
9. the resistivity measurement device of a kind of insulating material according to claim 7, is characterized in that: the end of described fixed bar (12) is fixed with fixed bar handle (11); The end of described standing screw (16) is fixed with standing screw handle (17).
10. the resistivity measurement device of a kind of insulating material according to claim 9, is characterized in that: the other end of described electrode stem (9) is connected with terminal clamp (10), and described terminal clamp (10) is flexibly connected with wire (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409227.1A CN104166049B (en) | 2014-08-20 | 2014-08-20 | A kind of soil resistivity test device of insulating materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409227.1A CN104166049B (en) | 2014-08-20 | 2014-08-20 | A kind of soil resistivity test device of insulating materials |
Publications (2)
| Publication Number | Publication Date |
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| CN104166049A true CN104166049A (en) | 2014-11-26 |
| CN104166049B CN104166049B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410409227.1A Expired - Fee Related CN104166049B (en) | 2014-08-20 | 2014-08-20 | A kind of soil resistivity test device of insulating materials |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918744A (en) * | 2017-03-27 | 2017-07-04 | 北京国电富通科技发展有限责任公司 | A kind of measuring method of contaminated insulator local surfaces resistance |
| CN107765091A (en) * | 2016-08-18 | 2018-03-06 | 国家电网公司 | A kind of original position soil sample resistance rate measurement apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2715734B1 (en) * | 1994-01-28 | 1996-03-01 | Commissariat Energie Atomique | Apparatus for measuring the surface resistance and the electrical resistivity of a homogeneous resistive material at high temperatures. |
| CN201666920U (en) * | 2009-12-09 | 2010-12-08 | 山东中惠仪器有限公司 | Full-automatic dielectric loss and volume resistivity tester |
| CN101968511B (en) * | 2010-09-27 | 2012-11-28 | 成都理工大学 | Small electrode experiment device for measuring resistivity of mineral and solid insulating material |
| US8289031B1 (en) * | 2011-05-16 | 2012-10-16 | Rao Dantam K | Apparatus for measuring insulation characteristics of coated steel sheet |
| CN202256505U (en) * | 2011-09-30 | 2012-05-30 | 南京金三力橡塑有限公司 | Testing device for conductivity type rubber resistivity |
| KR101328994B1 (en) * | 2012-01-09 | 2013-11-13 | 한국원자력안전기술원 | Volume Electrical Resistivity Equipment for Cable in NPPs |
| CN102914493A (en) * | 2012-10-19 | 2013-02-06 | 清华大学 | Clamp for alternating current resistivity test of non-metallic material |
| CN202854016U (en) * | 2012-10-19 | 2013-04-03 | 清华大学 | Clamp device for alternating-current (AC) resistivity test of non-metallic materials |
| CN203324379U (en) * | 2013-06-14 | 2013-12-04 | 绵阳高新区道诚电子科技有限公司 | Sample fixing device of DC resistance tester |
| CN103913635B (en) * | 2014-04-08 | 2015-07-15 | 中国人民解放军军械工程学院 | System for measuring surface resistivity of material on high-temperature condition |
-
2014
- 2014-08-20 CN CN201410409227.1A patent/CN104166049B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765091A (en) * | 2016-08-18 | 2018-03-06 | 国家电网公司 | A kind of original position soil sample resistance rate measurement apparatus |
| CN106918744A (en) * | 2017-03-27 | 2017-07-04 | 北京国电富通科技发展有限责任公司 | A kind of measuring method of contaminated insulator local surfaces resistance |
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| CN104166049B (en) | 2016-08-17 |
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