CN108627678A - Graphite composite grounding material resistivity measuring clamp - Google Patents
Graphite composite grounding material resistivity measuring clamp Download PDFInfo
- Publication number
- CN108627678A CN108627678A CN201810677211.7A CN201810677211A CN108627678A CN 108627678 A CN108627678 A CN 108627678A CN 201810677211 A CN201810677211 A CN 201810677211A CN 108627678 A CN108627678 A CN 108627678A
- Authority
- CN
- China
- Prior art keywords
- plate
- fixture
- graphite
- thread
- earthing material
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 48
- 239000010439 graphite Substances 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title abstract description 6
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 150000001875 compounds Chemical class 0.000 claims description 38
- 238000010586 diagram Methods 0.000 description 10
- 239000007770 graphite material Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a graphite composite grounding material resistivity measuring clamp, which comprises: a thread plate; one end of the thread plate is fixedly arranged on the fixing frame, and a clamp lower plate is arranged at one end of the fixing frame; the movable frame is movably arranged on the thread plate; the fastener is arranged on the movable frame and is used for abutting against the threaded plate to fix the movable frame when the movable frame moves to a set position on the threaded plate; the rotating shaft is rotatably installed on the moving frame, an upper clamp plate is arranged at one end of the rotating shaft, and the upper clamp plate and the lower clamp plate are jointly used for clamping the graphite composite grounding material to be tested. The invention is suitable for measuring the resistance of graphite composite grounding materials with any size such as cylindrical, prismatic, square, flat and the like, has the advantages of reliable fixation, simple and convenient operation, high flexibility, low preparation cost and convenient assembly and disassembly, and greatly improves the measurement precision and efficiency.
Description
Technical field
The present invention relates to electric system Lightning protection field, more particularly to a kind of compound earthing material resistivity of graphite
Measured material.
Background technology
Grounded screen in electric system is to ensure the important leverage of entire electrical system safety stable operation.For many years, I
State's electric system grounded screen mostly uses steel, copper metal material and galvanized steel, copper and covers the coating alloys material such as steel and connect as electric power
The earthing material of earth mat.Since metal material is up in the more than ten years even life cycle of the buried operation of decades, it is difficult to
What is avoided is corroded, and some grounded screen occurs as soon as partial corrosion in buried 5 years, and heavy corrosion occurs after 8 years so that fracture.Needle
To metallic ground body etching problem, the compound earthing material of soft graphite is made as a kind of novel grounded material using nonmetal graphite
For main conductive material, the etching problem of metallic ground body is efficiently solved.
While using the novel grounded material, it is ensured that its resistivity of material meets the requirements, traditional resistivity of material
Measuring device is only applicable to metallic ground body, and is not particularly suited for the measurement of the compound earthing material resistivity of material of soft graphite.
The most important point is, is less susceptible to fix since the compound earthing material of soft graphite itself is softer, when so measuring, because
This, the compound earthing material grounded screen measured material of soft graphite of reliable design just there is important practical engineering application to be worth.
Invention content
The present invention provides a kind of compound earthing material resistivity measurement fixture of graphite, to solve the compound ground connection material of existing graphite
The problem of material cannot use common metal ground connection fluid measurement device to measure.
In order to solve the above technical problem, the present invention provides a kind of compound earthing material resistivity measurement fixture of graphite, packets
It includes：
Thread plate；
One end of fixed frame, the thread plate is fixedly mounted on the fixed frame, and one end of the fixed frame is equipped under fixture
Plate；
Movable stand is movably mounted on the thread plate；
Fastener is mounted on the movable stand, when for being moved to the setting position on the thread plate in the movable stand,
It is abutted against with the fixation movable stand with the thread plate；
Rotary shaft is rotatably installed on the movable stand, and one end of the rotary shaft is equipped with fixture upper plate, on the fixture
Plate with the fixture lower plate is provided commonly for that the compound earthing material of graphite to be measured is clamped.
Wherein, the fixed frame includes square portion and wedge-shaped part, and the square portion is equipped with fixing groove, and the thread plate is inserted into
The fixing groove is simultaneously mutually fixed with the fixed frame.
Wherein, the fixture lower plate is arranged in the end of the wedge-shaped part, and the fixture lower plate has the first through slot.
Wherein, one end of the movable stand is equipped with the first through hole for supplying the thread plate to pass through and is passed through for the fastener
The second through-hole, the first through hole intersects vertically with second through-hole.
Wherein, the fastener is hand nutting, and top is equipped with the first in command for operating the hand nutting.
Wherein, the thread plate is in slide calliper rule shape, has serration towards the one side of second through-hole, described tight
Firmware passes through second through-hole and is matched with the serration, and the movable stand is fixed on the thread plate
On.
Wherein, the other end of the movable stand is equipped with the third through-hole passed through for the rotary shaft, in the third through-hole
Wall is equipped with internal thread.
Wherein, the rotary shaft includes threaded portion and second handle, and the threaded portion has to be adapted with the internal thread
External screw thread, the second handle for operating the rotary shaft, the rotary shaft the internal thread with it is described externally threaded
It is moved forward or back under threaded.
Wherein, the fixture upper plate is located at the threaded portion end, and has the second through slot, when the fixture upper plate with
When the preceding and then close fixture lower plate of the rotary shaft, folder is collectively formed with first through slot in second through slot
Hold the holding tank of the compound earthing material of graphite to be measured.
Wherein, it is arc-shaped strip through slot that first through slot and second through slot, which are both ends, and
With common axle center.
The advantageous effect of the embodiment of the present invention is：Cylindrical, prismatic, rectangular, flat, plate shaped etc. is applicable to appoint
The resistance measurement of the compound earthing material of graphite for size of anticipating has and is reliably fixed, easy to operate, and flexibility is high, and manufacturing cost is low,
Assembly and disassembly facilitates advantage, greatly improves the precision and efficiency of measurement.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of assembling structure schematic diagram of the compound earthing material resistivity measurement fixture of graphite of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of thread plate in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of fixed frame in the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of movable stand in the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of fastener in the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of rotary shaft in the embodiment of the present invention.
Fig. 7 is that a kind of compound earthing material resistivity measurement fixture of graphite of the embodiment of the present invention is flexible rollable for measuring
Graphite material resistivity schematic diagram.
Fig. 8 is a kind of compound earthing material resistivity measurement fixture of graphite of the embodiment of the present invention for measuring cylindrical graphite
The schematic diagram of resistivity of material.
Specific implementation mode
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
It please refers to shown in Fig. 1, the embodiment of the present invention provides a kind of compound earthing material resistivity measurement fixture of graphite, packet
It includes：
Thread plate 1；
One end of fixed frame 2, the thread plate 1 is fixedly mounted on the fixed frame 2, and one end of the fixed frame 2 is equipped with folder
Has lower plate 7；
Movable stand 3 is movably mounted on the thread plate 1；
Fastener 4 is mounted on the movable stand 3, the setting position for being moved in the movable stand 3 on the thread plate 1
When setting, abutted against with the fixation movable stand 3 with the thread plate 1；
Rotary shaft 5 is rotatably installed on the movable stand 3, and one end of the rotary shaft 5 is equipped with fixture upper plate 6, the folder
Tool upper plate 6 with the fixture lower plate 7 is provided commonly for that the compound earthing material of graphite to be measured is clamped.
Specifically, please in conjunction with shown in Fig. 2-Fig. 6, wherein fixed frame 2 includes square portion 21 and wedge-shaped part 22, square portion
21 are equipped with fixing groove 20, and one end of thread plate 1 is inserted into fixing groove 20 and is fixed with 2 phase of fixed frame.The end of wedge structure 21 has
There is the relatively large plane of area, be provided with fixture lower plate 7, fixture lower plate has the first through slot 70.
One end of movable stand 3 is equipped with the first through hole 30 passed through for thread plate 1 and the second through-hole passed through for fastener 4
34.After thread plate 1 is fixed on fixed frame 2, movable stand 3 is set in by first through hole 30 on thread plate 1, and movable stand
3 can move on thread plate 1, when being moved to precalculated position according to the size of the compound earthing material of graphite to be measured, by fastening
Part 4 is inserted into the second through-hole 34 and is abutted against with thread plate 1.Thread plate 1 is in slide calliper rule shape, is had towards the one side of the second through-hole 34
Serration 10, remaining each face is smooth flat.Using the hand nutting for meeting national standard, top is set fastener 4
It is useful for the first in command 40 of manipulator's nutting.The first in command 40 is cylinder, intersects vertically with fastener 4.Rotation first
Handle 40 can be such that fastener 4 is moved towards or away from thread plate 1.When needing to fix position of the movable stand 3 on thread plate 1,
The first in command 40 is rotated, so that fastener 4 is moved towards thread plate 1, is fitted closely with the serration 10 on thread plate 1, from
And movable stand 3 is fixed on thread plate 1.When loosening fastener 4, fastener 4 and 10 phase of serration on thread plate 1 point
From again then movable stand 3 can be moved along thread plate 1.It should be noted that the phase vertical with the second through-hole 34 of first through hole 30
It hands over so that fastener 4 passes through that the second through-hole 34 is vertical with thread plate 1 abuts against.
The other end of movable stand is equipped with the third through-hole 35 passed through for rotary shaft 5, and 35 inner wall of third through-hole is equipped with internal thread.
Rotary shaft 5 includes threaded portion 50 and second handle 51, and threaded portion 50 has outer spiral shell compatible with the internal thread of third through-hole 35
Line, second handle 51 may also function as certain iris action for operating rotary shaft 5.Second handle 51 is cylinder, with rotation
One end of axis 5 intersects vertically.Rotary shaft 5 is moved forward or back in internal thread under externally threaded threaded.The maximum of rotary shaft 5
Rotation angle is more than 90 degree, can realize fitting closely for fixture upper plate 6 and fixture lower plate 7.Pass through movable stand 3, rotary shaft 5
Cooperation is so that the compound earthing material resistivity measurement fixture of graphite of the embodiment of the present invention adapts to the graphite of different sizes and shapes
Compound earthing material.
Fixture upper plate 6 is in a circular table shape, is located at 50 end of threaded portion, and have the second through slot 60, when fixture upper plate 6 is with rotation
When the preceding and then close fixture lower plate 7 of shaft 5, the second through slot 60 and the first through slot 70 are collectively formed clamping graphite to be measured and answer
Close the holding tank of earthing material.Fixture upper plate 6 and fixture lower plate 7 are referred to as clamping plate, and fixture upper plate 6 and fixture lower plate 7 have altogether
Same axle center, adjoining dimensions play the role of clamping the compound earthing material of graphite to be measured.For ease of processing, fixture upper plate 6 and folder
The structure for having lower plate 7 is consistent, in actual use point without upper and lower position.Second through slot 60 and the first through slot 70 be in order to
Fixed cylinder shape, cable shape and strand linear conductor, and increase the contact area of graphite to be measured compound earthing material and clamping plate.The
One through slot 70 and the second through slot 60 are that both ends are arc-shaped strip through slot, when different sizes, different-thickness
When the compound earthing material of graphite to be measured is held between clamping plate, avoid because fixture upper plate 6, fixture lower plate 7 exist it is not concentric due to
The problem of causing not using.Low-cost metal material may be selected such as in fixture upper plate 6 and the material of fixture lower plate 7：Steel,
Aluminium, stainless steel, aluminium alloy etc..
As shown in fig. 7, soft for measuring for a kind of compound earthing material resistivity measurement fixture of graphite of the embodiment of the present invention
Property rollable graphite material resistivity schematic diagram, when measurement, the mobile movable stand 3 on thread plate 1 can roll up flexibility to be measured
Bent graphite material 8（Sample）It is placed between fixture upper plate 6 and fixture lower plate 7, fastening is tightened by rotating the first in command 40
Part 4 makes movable stand 3 be fixed on the precalculated position on thread plate 1（The position regard the size of specific graphite composite material to be measured and
It is fixed）；Again by rotating second handle 51, rotary shaft 5 is set to be moved towards fixed frame 2, fixture upper plate 6 and fixture lower plate 7 jointly will
The rollable graphite material 8 of flexibility to be measured is fixedly clamped；Then external measuring circuitry is connected, you can realize that flexibility to be measured is rollable
Graphite material 8 resistivity measurement.
Again as shown in figure 8, being used to measure for a kind of compound earthing material resistivity measurement fixture of graphite of the embodiment of the present invention
The schematic diagram of cylindrical graphite resistivity of material, when measurement, the mobile movable stand 3 on thread plate 1, by cylindrical graphite material 9
（Sample）It is placed between fixture upper plate 6 and fixture lower plate 7, by rotating 40 tightening fastener parts 4 of the first in command, makes movable stand 3
It is fixed on the precalculated position on thread plate 1（The position is depending on the size of specific graphite composite material to be measured）；Again by turning
Dynamic second handle 51, makes rotary shaft 5 be moved towards fixed frame 2, and fixture upper plate 6 and fixture lower plate 7 are jointly by cylindrical stone to be measured
Ink material 9 is fixedly clamped；Then external measuring circuitry is connected, you can realize the resistivity measurement of cylindrical graphite material 9 to be measured.
The width of holding tank is slightly less than the diameter of cylindrical graphite material 9, more reliably to fix sample to be tested.
By above description it is found that the advantageous effect of the embodiment of the present invention is, it is applicable to cylindrical, prismatic, square
The resistance measurement of the compound earthing material of graphite of the arbitrary dimensions such as shape, flat, plate shaped has and is reliably fixed, easy to operate, spirit
Active high, manufacturing cost is low, and assembly and disassembly facilitates advantage, greatly improves the precision and efficiency of measurement.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of compound earthing material resistivity measurement fixture of graphite, which is characterized in that including：
Thread plate；
One end of fixed frame, the thread plate is fixedly mounted on the fixed frame, and one end of the fixed frame is equipped under fixture
Plate；
Movable stand is movably mounted on the thread plate；
Fastener is mounted on the movable stand, when for being moved to the setting position on the thread plate in the movable stand,
It is abutted against with the fixation movable stand with the thread plate；
Rotary shaft is rotatably installed on the movable stand, and one end of the rotary shaft is equipped with fixture upper plate, on the fixture
Plate with the fixture lower plate is provided commonly for that the compound earthing material of graphite to be measured is clamped.
2. the compound earthing material resistivity measurement fixture of graphite according to claim 1, which is characterized in that the fixed frame
Including square portion and wedge-shaped part, the square portion is equipped with fixing groove, the thread plate be inserted into the fixing groove and with the fixation
Frame is mutually fixed.
3. the compound earthing material resistivity measurement fixture of graphite according to claim 2, which is characterized in that under the fixture
Plate is arranged in the end of the wedge-shaped part, and the fixture lower plate has the first through slot.
4. the compound earthing material resistivity measurement fixture of graphite according to claim 3, which is characterized in that the movable stand
One end the second through-hole for being equipped with the first through hole passed through for the thread plate and being passed through for the fastener, the first through hole
It intersects vertically with second through-hole.
5. the compound earthing material resistivity measurement fixture of graphite according to claim 4, which is characterized in that the fastener
For hand nutting, top is equipped with the first in command for operating the hand nutting.
6. the compound earthing material resistivity measurement fixture of graphite according to claim 4, which is characterized in that the thread plate
In slide calliper rule shape, towards the one side of second through-hole there is serration, the fastener to pass through second through-hole simultaneously
It is matched with the serration, the movable stand is fixed on the thread plate.
7. the compound earthing material resistivity measurement fixture of graphite according to claim 4, which is characterized in that the movable stand
The other end be equipped with the third through-hole passed through for the rotary shaft, the third through-hole inner wall is equipped with internal thread.
8. the compound earthing material resistivity measurement fixture of graphite according to claim 7, which is characterized in that the rotary shaft
Including threaded portion and second handle, there is external screw thread compatible with the internal thread, the second handle to use for the threaded portion
In operating the rotary shaft, the rotary shaft is moved forward or back in the internal thread under the externally threaded threaded.
9. the compound earthing material resistivity measurement fixture of graphite according to claim 8, which is characterized in that on the fixture
Plate is located at the threaded portion end, and has the second through slot, before the fixture upper plate is with the rotary shaft and then close
When the fixture lower plate, the clamping compound earthing material of graphite to be measured is collectively formed with first through slot in second through slot
Holding tank.
10. the compound earthing material resistivity measurement fixture of graphite according to claim 9, which is characterized in that described first
It is arc-shaped strip through slot that through slot, which is both ends with second through slot, and has common axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677211.7A CN108627678A (en) | 2018-06-27 | 2018-06-27 | Graphite composite grounding material resistivity measuring clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677211.7A CN108627678A (en) | 2018-06-27 | 2018-06-27 | Graphite composite grounding material resistivity measuring clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108627678A true CN108627678A (en) | 2018-10-09 |
Family
ID=63688348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810677211.7A Pending CN108627678A (en) | 2018-06-27 | 2018-06-27 | Graphite composite grounding material resistivity measuring clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108627678A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616727U (en) * | 2012-03-31 | 2012-12-19 | 上海市电力公司 | Single-core cable terminal clamp |
| CN202854016U (en) * | 2012-10-19 | 2013-04-03 | 清华大学 | Clamp device for alternating-current (AC) resistivity test of non-metallic materials |
| CN203432478U (en) * | 2013-08-26 | 2014-02-12 | 南车资阳机车有限公司 | General detection tool for positioning dimension and diagonals of side bearing seat of diesel locomotive |
| CN205363643U (en) * | 2016-03-04 | 2016-07-06 | 国网山西省电力公司晋城供电公司 | Transmission line iron tower inclined measures supplementary anchor clamps |
| CN205733315U (en) * | 2016-06-30 | 2016-11-30 | 青岛永禾源精工有限公司 | A kind of graphite electrode clamp produced for tire-mold |
| CN106443090A (en) * | 2016-12-01 | 2017-02-22 | 广州供电局有限公司 | Segmental conductor resistance test auxiliary tool and test device |
| CN107627232A (en) * | 2016-07-18 | 2018-01-26 | 施蓉 | The fixture that a kind of big I is unidirectionally adjusted |
| CN207351409U (en) * | 2017-09-21 | 2018-05-11 | 昆山龙腾光电有限公司 | Measured material for flexible material |
| CN207457120U (en) * | 2017-11-21 | 2018-06-05 | 中钢集团新型材料（浙江）有限公司 | One kind tests novel clamp for 1600 DEG C of carbon material high-temperature resistivities |
| CN207456931U (en) * | 2017-11-21 | 2018-06-05 | 中钢集团新型材料（浙江）有限公司 | A kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material |
| CN208350850U (en) * | 2018-06-27 | 2019-01-08 | 深圳供电局有限公司 | Graphite composite grounding material resistivity measuring clamp |
-
2018
- 2018-06-27 CN CN201810677211.7A patent/CN108627678A/en active Pending
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|---|---|---|---|---|
| CN202616727U (en) * | 2012-03-31 | 2012-12-19 | 上海市电力公司 | Single-core cable terminal clamp |
| CN202854016U (en) * | 2012-10-19 | 2013-04-03 | 清华大学 | Clamp device for alternating-current (AC) resistivity test of non-metallic materials |
| CN203432478U (en) * | 2013-08-26 | 2014-02-12 | 南车资阳机车有限公司 | General detection tool for positioning dimension and diagonals of side bearing seat of diesel locomotive |
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